This patch adds a new lldb-vscode tool that speaks the Microsoft Visual Studio Code debug adaptor protocol. It has full unit tests that test all packets.
This tool can be easily packaged up into a native extension and used with Visual Studio Code, and it can also be used by Nuclide
Differential Revision: https://reviews.llvm.org/D50365
llvm-svn: 339911
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+ GCC_C_LANGUAGE_STANDARD = gnu99;
+ GCC_DYNAMIC_NO_PIC = NO;
+ GCC_PREPROCESSOR_DEFINITIONS = (
+ "DEBUG=1",
+ "$(inherited)",
+ );
+ GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+ GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+ GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+ INSTALL_PATH = "$(LLDB_TOOLS_INSTALL_DIR)";
+ MTL_ENABLE_DEBUG_INFO = YES;
+ OTHER_LDFLAGS = (
+ "-sectcreate",
+ __TEXT,
+ __info_plist,
+ "$(PROJECT_DIR)/tools/lldb-vscode/lldb-vscode-Info.plist",
+ "-Wl,-rpath,@loader_path/",
+ "-filelist",
+ "$(LLVM_BUILD_DIR)/archives.txt",
+ );
+ PRODUCT_NAME = "$(TARGET_NAME)";
+ SDKROOT = macosx;
+ USER_HEADER_SEARCH_PATHS = "$(SRCROOT)/include $(SRCROOT)/source $(LLVM_SOURCE_DIR)/include $(LLVM_SOURCE_DIR)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib/Target/ARM";
+ VERSIONING_SYSTEM = "apple-generic";
+ };
+ name = Debug;
+ };
+ 26792611211CA3AD00EE1D10 /* DebugClang */ = {
+ isa = XCBuildConfiguration;
+ buildSettings = {
+ CLANG_ANALYZER_NONNULL = YES;
+ CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+ CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+ CLANG_ENABLE_MODULES = YES;
+ CLANG_ENABLE_OBJC_ARC = YES;
+ CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+ CLANG_WARN_COMMA = YES;
+ CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+ CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+ CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+ CLANG_WARN_INFINITE_RECURSION = YES;
+ CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+ CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+ CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+ CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+ CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+ CLANG_WARN_STRICT_PROTOTYPES = YES;
+ CLANG_WARN_SUSPICIOUS_MOVE = YES;
+ CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+ CURRENT_PROJECT_VERSION = 360.99.0;
+ GCC_C_LANGUAGE_STANDARD = gnu99;
+ GCC_DYNAMIC_NO_PIC = NO;
+ GCC_PREPROCESSOR_DEFINITIONS = (
+ "DEBUG=1",
+ "$(inherited)",
+ );
+ GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+ GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+ GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+ INSTALL_PATH = "$(LLDB_TOOLS_INSTALL_DIR)";
+ MTL_ENABLE_DEBUG_INFO = YES;
+ OTHER_LDFLAGS = (
+ "-sectcreate",
+ __TEXT,
+ __info_plist,
+ "$(PROJECT_DIR)/tools/lldb-vscode/lldb-vscode-Info.plist",
+ "-Wl,-rpath,@loader_path/",
+ "-filelist",
+ "$(LLVM_BUILD_DIR)/archives.txt",
+ );
+ PRODUCT_NAME = "$(TARGET_NAME)";
+ SDKROOT = macosx;
+ USER_HEADER_SEARCH_PATHS = "$(SRCROOT)/include $(SRCROOT)/source $(LLVM_SOURCE_DIR)/include $(LLVM_SOURCE_DIR)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib/Target/ARM";
+ VERSIONING_SYSTEM = "apple-generic";
+ };
+ name = DebugClang;
+ };
+ 26792612211CA3AD00EE1D10 /* Release */ = {
+ isa = XCBuildConfiguration;
+ buildSettings = {
+ CLANG_ANALYZER_NONNULL = YES;
+ CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+ CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+ CLANG_ENABLE_MODULES = YES;
+ CLANG_ENABLE_OBJC_ARC = YES;
+ CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+ CLANG_WARN_COMMA = YES;
+ CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+ CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+ CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+ CLANG_WARN_INFINITE_RECURSION = YES;
+ CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+ CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+ CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+ CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+ CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+ CLANG_WARN_STRICT_PROTOTYPES = YES;
+ CLANG_WARN_SUSPICIOUS_MOVE = YES;
+ CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+ CURRENT_PROJECT_VERSION = 360.99.0;
+ DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+ ENABLE_NS_ASSERTIONS = NO;
+ GCC_C_LANGUAGE_STANDARD = gnu99;
+ GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+ GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+ INSTALL_PATH = "$(LLDB_TOOLS_INSTALL_DIR)";
+ MTL_ENABLE_DEBUG_INFO = NO;
+ OTHER_LDFLAGS = (
+ "-sectcreate",
+ __TEXT,
+ __info_plist,
+ "$(PROJECT_DIR)/tools/lldb-vscode/lldb-vscode-Info.plist",
+ "-Wl,-rpath,@loader_path/",
+ "-filelist",
+ "$(LLVM_BUILD_DIR)/archives.txt",
+ );
+ PRODUCT_NAME = "$(TARGET_NAME)";
+ SDKROOT = macosx;
+ USER_HEADER_SEARCH_PATHS = "$(SRCROOT)/include $(SRCROOT)/source $(LLVM_SOURCE_DIR)/include $(LLVM_SOURCE_DIR)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib/Target/ARM";
+ VERSIONING_SYSTEM = "apple-generic";
+ };
+ name = Release;
+ };
+ 26792613211CA3AD00EE1D10 /* BuildAndIntegration */ = {
+ isa = XCBuildConfiguration;
+ buildSettings = {
+ CLANG_ANALYZER_NONNULL = YES;
+ CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+ CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+ CLANG_ENABLE_MODULES = YES;
+ CLANG_ENABLE_OBJC_ARC = YES;
+ CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+ CLANG_WARN_COMMA = YES;
+ CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+ CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+ CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+ CLANG_WARN_INFINITE_RECURSION = YES;
+ CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+ CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+ CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+ CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+ CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+ CLANG_WARN_STRICT_PROTOTYPES = YES;
+ CLANG_WARN_SUSPICIOUS_MOVE = YES;
+ CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+ COPY_PHASE_STRIP = YES;
+ CURRENT_PROJECT_VERSION = 360.99.0;
+ DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+ ENABLE_NS_ASSERTIONS = NO;
+ GCC_C_LANGUAGE_STANDARD = gnu99;
+ GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+ GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+ INSTALL_PATH = "$(LLDB_TOOLS_INSTALL_DIR)";
+ MTL_ENABLE_DEBUG_INFO = NO;
+ "OTHER_LDFLAGS[sdk=iphoneos*]" = (
+ "-sectcreate",
+ __TEXT,
+ __info_plist,
+ "$(PROJECT_DIR)/tools/lldb-vscode/lldb-vscode-Info.plist",
+ "-Wl,-rpath,@loader_path/../../../System/Library/PrivateFrameworks",
+ "-filelist",
+ "$(LLVM_BUILD_DIR)/archives.txt",
+ );
+ "OTHER_LDFLAGS[sdk=macosx*]" = (
+ "-sectcreate",
+ __TEXT,
+ __info_plist,
+ "$(PROJECT_DIR)/tools/lldb-vscode/lldb-vscode-Info.plist",
+ "-Wl,-rpath,@loader_path/../../Library/PrivateFrameworks/",
+ "-Wl,-rpath,@loader_path/../../../SharedFrameworks",
+ "-Wl,-rpath,@loader_path/../../System/Library/PrivateFrameworks",
+ "-Wl,-rpath,@loader_path/../../Library/PrivateFrameworks",
+ "-filelist",
+ "$(LLVM_BUILD_DIR)/archives.txt",
+ );
+ PRODUCT_NAME = "$(TARGET_NAME)";
+ SDKROOT = macosx;
+ STRIP_INSTALLED_PRODUCT = YES;
+ USER_HEADER_SEARCH_PATHS = "$(SRCROOT)/include $(SRCROOT)/source $(LLVM_SOURCE_DIR)/include $(LLVM_SOURCE_DIR)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/tools/clang/include $(LLVM_BUILD_DIR)/$(LLVM_BUILD_DIR_ARCH)/lib/Target/ARM";
+ VERSIONING_SYSTEM = "apple-generic";
+ };
+ name = BuildAndIntegration;
+ };
2687EAC71508110B00DD8C2E /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
defaultConfigurationIsVisible = 0;
defaultConfigurationName = BuildAndIntegration;
};
+ 26792614211CA3AD00EE1D10 /* Build configuration list for PBXNativeTarget "lldb-vscode" */ = {
+ isa = XCConfigurationList;
+ buildConfigurations = (
+ 26792610211CA3AD00EE1D10 /* Debug */,
+ 26792611211CA3AD00EE1D10 /* DebugClang */,
+ 26792612211CA3AD00EE1D10 /* Release */,
+ 26792613211CA3AD00EE1D10 /* BuildAndIntegration */,
+ );
+ defaultConfigurationIsVisible = 0;
+ defaultConfigurationName = BuildAndIntegration;
+ };
2687EAC61508110B00DD8C2E /* Build configuration list for PBXLegacyTarget "install-headers" */ = {
isa = XCConfigurationList;
buildConfigurations = (
pluginPath = os.path.join(scriptPath, 'plugins')
toolsLLDBMIPath = os.path.join(scriptPath, 'tools', 'lldb-mi')
+ toolsLLDBVSCode = os.path.join(scriptPath, 'tools', 'lldb-vscode')
toolsLLDBServerPath = os.path.join(scriptPath, 'tools', 'lldb-server')
# Insert script dir, plugin dir, lldb-mi dir and lldb-server dir to the
# Adding test/tools/lldb-mi to the path makes it easy
sys.path.insert(0, toolsLLDBMIPath)
# to "import lldbmi_testcase" from the MI tests
+ # Adding test/tools/lldb-vscode to the path makes it easy to
+ # "import lldb_vscode_testcase" from the VSCode tests
+ sys.path.insert(0, toolsLLDBVSCode)
# Adding test/tools/lldb-server to the path makes it easy
sys.path.insert(0, toolsLLDBServerPath)
# to "import lldbgdbserverutils" from the lldb-server tests
"The 'lldb-mi' executable cannot be located. The lldb-mi tests can not be run as a result.")
configuration.skipCategories.append("lldb-mi")
+ lldbVSCodeExec = os.path.join(lldbDir, "lldb-vscode")
+ if is_exe(lldbVSCodeExec):
+ os.environ["LLDBVSCODE_EXEC"] = lldbVSCodeExec
+ else:
+ if not configuration.shouldSkipBecauseOfCategories(["lldb-vscode"]):
+ print(
+ "The 'lldb-vscode' executable cannot be located. The lldb-vscode tests can not be run as a result.")
+ configuration.skipCategories.append("lldb-vscode")
+
lldbPythonDir = None # The directory that contains 'lldb/__init__.py'
if not configuration.lldbFrameworkPath and os.path.exists(os.path.join(lldbLibDir, "LLDB.framework")):
configuration.lldbFrameworkPath = os.path.join(lldbLibDir, "LLDB.framework")
else:
self.lldbMiExec = None
+ if "LLDBVSCODE_EXEC" in os.environ:
+ self.lldbVSCodeExec = os.environ["LLDBVSCODE_EXEC"]
+ else:
+ self.lldbVSCodeExec = None
+
# If we spawn an lldb process for test (via pexpect), do not load the
# init file unless told otherwise.
if "NO_LLDBINIT" in os.environ and "NO" == os.environ["NO_LLDBINIT"]:
--- /dev/null
+lldb-vscode
--- /dev/null
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import shutil
+import subprocess
+import tempfile
+import threading
+import time
+
+
+def spawn_and_wait(program, delay):
+ if delay:
+ time.sleep(delay)
+ process = subprocess.Popen([program],
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ process.wait()
+
+
+class TestVSCode_attach(lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ def set_and_hit_breakpoint(self, continueToExit=True):
+ source = 'main.c'
+ breakpoint1_line = line_number(source, '// breakpoint 1')
+ lines = [breakpoint1_line]
+ # Set breakoint in the thread function so we can step the threads
+ breakpoint_ids = self.set_source_breakpoints(source, lines)
+ self.assertTrue(len(breakpoint_ids) == len(lines),
+ "expect correct number of breakpoints")
+ self.continue_to_breakpoints(breakpoint_ids)
+ if continueToExit:
+ self.continue_to_exit()
+
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_by_pid(self):
+ '''
+ Tests attaching to a process by process ID.
+ '''
+ self.build_and_create_debug_adaptor()
+ program = self.getBuildArtifact("a.out")
+ self.process = subprocess.Popen([program],
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ self.attach(pid=self.process.pid)
+ self.set_and_hit_breakpoint(continueToExit=True)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_by_name(self):
+ '''
+ Tests attaching to a process by process name.
+ '''
+ self.build_and_create_debug_adaptor()
+ orig_program = self.getBuildArtifact("a.out")
+ # Since we are going to attach by process name, we need a unique
+ # process name that has minimal chance to match a process that is
+ # already running. To do this we use tempfile.mktemp() to give us a
+ # full path to a location where we can copy our executable. We then
+ # run this copy to ensure we don't get the error "more that one
+ # process matches 'a.out'".
+ program = tempfile.mktemp()
+ shutil.copyfile(orig_program, program)
+ shutil.copymode(orig_program, program)
+ self.process = subprocess.Popen([program],
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ # Wait for a bit to ensure the process is launched
+ time.sleep(1)
+ self.attach(program=program)
+ self.set_and_hit_breakpoint(continueToExit=True)
+
+ @skipUnlessDarwin
+ @no_debug_info_test
+ def test_by_name_waitFor(self):
+ '''
+ Tests attaching to a process by process name and waiting for the
+ next instance of a process to be launched, ingoring all current
+ ones.
+ '''
+ self.build_and_create_debug_adaptor()
+ program = self.getBuildArtifact("a.out")
+ self.spawn_thread = threading.Thread(target=spawn_and_wait,
+ args=(program, 1.0,))
+ self.spawn_thread.start()
+ self.attach(program=program, waitFor=True)
+ self.set_and_hit_breakpoint(continueToExit=True)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_commands(self):
+ '''
+ Tests the "initCommands", "preRunCommands", "stopCommands",
+ "exitCommands", and "attachCommands" that can be passed during
+ attach.
+
+ "initCommands" are a list of LLDB commands that get executed
+ before the targt is created.
+ "preRunCommands" are a list of LLDB commands that get executed
+ after the target has been created and before the launch.
+ "stopCommands" are a list of LLDB commands that get executed each
+ time the program stops.
+ "exitCommands" are a list of LLDB commands that get executed when
+ the process exits
+ "attachCommands" are a list of LLDB commands that get executed and
+ must have a valid process in the selected target in LLDB after
+ they are done executing. This allows custom commands to create any
+ kind of debug session.
+ '''
+ self.build_and_create_debug_adaptor()
+ program = self.getBuildArtifact("a.out")
+ # Here we just create a target and launch the process as a way to test
+ # if we are able to use attach commands to create any kind of a target
+ # and use it for debugging
+ attachCommands = [
+ 'target create -d "%s"' % (program),
+ 'process launch -- arg1'
+ ]
+ initCommands = ['target list', 'platform list']
+ preRunCommands = ['image list a.out', 'image dump sections a.out']
+ stopCommands = ['frame variable', 'bt']
+ exitCommands = ['expr 2+3', 'expr 3+4']
+ self.attach(program=program,
+ attachCommands=attachCommands,
+ initCommands=initCommands,
+ preRunCommands=preRunCommands,
+ stopCommands=stopCommands,
+ exitCommands=exitCommands)
+
+ # Get output from the console. This should contain both the
+ # "initCommands" and the "preRunCommands".
+ output = self.get_console()
+ # Verify all "initCommands" were found in console output
+ self.verify_commands('initCommands', output, initCommands)
+ # Verify all "preRunCommands" were found in console output
+ self.verify_commands('preRunCommands', output, preRunCommands)
+
+ functions = ['main']
+ breakpoint_ids = self.set_function_breakpoints(functions)
+ self.assertTrue(len(breakpoint_ids) == len(functions),
+ "expect one breakpoint")
+ self.continue_to_breakpoints(breakpoint_ids)
+ output = self.get_console(timeout=1.0)
+ self.verify_commands('stopCommands', output, stopCommands)
+
+ # Continue after launch and hit the "pause()" call and stop the target.
+ # Get output from the console. This should contain both the
+ # "stopCommands" that were run after we stop.
+ self.vscode.request_continue()
+ time.sleep(0.5)
+ self.vscode.request_pause()
+ self.vscode.wait_for_stopped()
+ output = self.get_console(timeout=1.0)
+ self.verify_commands('stopCommands', output, stopCommands)
+
+ # Continue until the program exits
+ self.continue_to_exit()
+ # Get output from the console. This should contain both the
+ # "exitCommands" that were run after the second breakpoint was hit
+ output = self.get_console(timeout=1.0)
+ self.verify_commands('exitCommands', output, exitCommands)
--- /dev/null
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char const *argv[]) {
+ printf("pid = %i\n", getpid());
+ sleep(5);
+ return 0; // breakpoint 1
+}
--- /dev/null
+LEVEL = ../../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import pprint
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import os
+
+
+class TestVSCode_setBreakpoints(lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_set_and_clear(self):
+ '''Tests setting and clearing source file and line breakpoints.
+ This packet is a bit tricky on the debug adaptor side since there
+ is no "clearBreakpoints" packet. Source file and line breakpoints
+ are set by sending a "setBreakpoints" packet with a source file
+ specified and zero or more source lines. If breakpoints have been
+ set in the source file before, any exising breakpoints must remain
+ set, and any new breakpoints must be created, and any breakpoints
+ that were in previous requests and are not in the current request
+ must be removed. This function tests this setting and clearing
+ and makes sure things happen correctly. It doesn't test hitting
+ breakpoints and the functionality of each breakpoint, like
+ 'conditions' and 'hitCondition' settings.'''
+ source_basename = 'main.cpp'
+ source_path = os.path.join(os.getcwd(), source_basename)
+ first_line = line_number('main.cpp', 'break 12')
+ second_line = line_number('main.cpp', 'break 13')
+ third_line = line_number('main.cpp', 'break 14')
+ lines = [first_line, second_line, third_line]
+
+ # Visual Studio Code Debug Adaptors have no way to specify the file
+ # without launching or attaching to a process, so we must start a
+ # process in order to be able to set breakpoints.
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+
+ # Set 3 breakoints and verify that they got set correctly
+ response = self.vscode.request_setBreakpoints(source_path, lines)
+ line_to_id = {}
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(lines),
+ "expect %u source breakpoints" % (len(lines)))
+ for breakpoint in breakpoints:
+ line = breakpoint['line']
+ # Store the "id" of the breakpoint that was set for later
+ line_to_id[line] = breakpoint['id']
+ self.assertTrue(line in lines, "line expected in lines array")
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint verified")
+
+ # There is no breakpoint delete packet, clients just send another
+ # setBreakpoints packet with the same source file with fewer lines.
+ # Below we remove the second line entry and call the setBreakpoints
+ # function again. We want to verify that any breakpoints that were set
+ # before still have the same "id". This means we didn't clear the
+ # breakpoint and set it again at the same location. We also need to
+ # verify that the second line location was actually removed.
+ lines.remove(second_line)
+ # Set 2 breakoints and verify that the previous breakoints that were
+ # set above are still set.
+ response = self.vscode.request_setBreakpoints(source_path, lines)
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(lines),
+ "expect %u source breakpoints" % (len(lines)))
+ for breakpoint in breakpoints:
+ line = breakpoint['line']
+ # Verify the same breakpoints are still set within LLDB by
+ # making sure the breakpoint ID didn't change
+ self.assertTrue(line_to_id[line] == breakpoint['id'],
+ "verify previous breakpoints stayed the same")
+ self.assertTrue(line in lines, "line expected in lines array")
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint still verified")
+
+ # Now get the full list of breakpoints set in the target and verify
+ # we have only 2 breakpoints set. The response above could have told
+ # us about 2 breakpoints, but we want to make sure we don't have the
+ # third one still set in the target
+ response = self.vscode.request_testGetTargetBreakpoints()
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(lines),
+ "expect %u source breakpoints" % (len(lines)))
+ for breakpoint in breakpoints:
+ line = breakpoint['line']
+ # Verify the same breakpoints are still set within LLDB by
+ # making sure the breakpoint ID didn't change
+ self.assertTrue(line_to_id[line] == breakpoint['id'],
+ "verify previous breakpoints stayed the same")
+ self.assertTrue(line in lines, "line expected in lines array")
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint still verified")
+
+ # Now clear all breakpoints for the source file by passing down an
+ # empty lines array
+ lines = []
+ response = self.vscode.request_setBreakpoints(source_path, lines)
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(lines),
+ "expect %u source breakpoints" % (len(lines)))
+
+ # Verify with the target that all breakpoints have been cleared
+ response = self.vscode.request_testGetTargetBreakpoints()
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(lines),
+ "expect %u source breakpoints" % (len(lines)))
+
+ # Now set a breakpoint again in the same source file and verify it
+ # was added.
+ lines = [second_line]
+ response = self.vscode.request_setBreakpoints(source_path, lines)
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(lines),
+ "expect %u source breakpoints" % (len(lines)))
+ for breakpoint in breakpoints:
+ line = breakpoint['line']
+ self.assertTrue(line in lines, "line expected in lines array")
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint still verified")
+
+ # Now get the full list of breakpoints set in the target and verify
+ # we have only 2 breakpoints set. The response above could have told
+ # us about 2 breakpoints, but we want to make sure we don't have the
+ # third one still set in the target
+ response = self.vscode.request_testGetTargetBreakpoints()
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(lines),
+ "expect %u source breakpoints" % (len(lines)))
+ for breakpoint in breakpoints:
+ line = breakpoint['line']
+ self.assertTrue(line in lines, "line expected in lines array")
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint still verified")
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_functionality(self):
+ '''Tests hitting breakpoints and the functionality of a single
+ breakpoint, like 'conditions' and 'hitCondition' settings.'''
+ source_basename = 'main.cpp'
+ source_path = os.path.join(os.getcwd(), source_basename)
+ loop_line = line_number('main.cpp', '// break loop')
+
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ # Set a breakpoint at the loop line with no condition and no
+ # hitCondition
+ breakpoint_ids = self.set_source_breakpoints(source_path, [loop_line])
+ self.assertTrue(len(breakpoint_ids) == 1, "expect one breakpoint")
+ self.vscode.request_continue()
+
+ # Verify we hit the breakpoint we just set
+ self.verify_breakpoint_hit(breakpoint_ids)
+
+ # Make sure i is zero at first breakpoint
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 0, 'i != 0 after hitting breakpoint')
+
+ # Update the condition on our breakpoint
+ new_breakpoint_ids = self.set_source_breakpoints(source_path,
+ [loop_line],
+ condition="i==4")
+ self.assertTrue(breakpoint_ids == new_breakpoint_ids,
+ "existing breakpoint should have its condition "
+ "updated")
+
+ self.continue_to_breakpoints(breakpoint_ids)
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 4,
+ 'i != 4 showing conditional works')
+
+ new_breakpoint_ids = self.set_source_breakpoints(source_path,
+ [loop_line],
+ hitCondition="2")
+
+ self.assertTrue(breakpoint_ids == new_breakpoint_ids,
+ "existing breakpoint should have its condition "
+ "updated")
+
+ # Continue with a hitContidtion of 2 and expect it to skip 1 value
+ self.continue_to_breakpoints(breakpoint_ids)
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 6,
+ 'i != 6 showing hitCondition works')
+
+ # continue after hitting our hitCondition and make sure it only goes
+ # up by 1
+ self.continue_to_breakpoints(breakpoint_ids)
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 7,
+ 'i != 7 showing post hitCondition hits every time')
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import pprint
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import os
+
+
+class TestVSCode_setExceptionBreakpoints(
+ lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_functionality(self):
+ '''Tests setting and clearing exception breakpoints.
+ This packet is a bit tricky on the debug adaptor side since there
+ is no "clear exception breakpoints" packet. Exception breakpoints
+ are set by sending a "setExceptionBreakpoints" packet with zero or
+ more exception filters. If exception breakpoints have been set
+ before, any exising breakpoints must remain set, and any new
+ breakpoints must be created, and any breakpoints that were in
+ previous requests and are not in the current request must be
+ removed. This exception tests this setting and clearing and makes
+ sure things happen correctly. It doesn't test hitting breakpoints
+ and the functionality of each breakpoint, like 'conditions' and
+ x'hitCondition' settings.
+ '''
+ # Visual Studio Code Debug Adaptors have no way to specify the file
+ # without launching or attaching to a process, so we must start a
+ # process in order to be able to set breakpoints.
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+
+ filters = ['cpp_throw', 'cpp_catch']
+ response = self.vscode.request_setExceptionBreakpoints(filters)
+ if response:
+ self.assertTrue(response['success'])
+
+ self.continue_to_exception_breakpoint('C++ Throw')
+ self.continue_to_exception_breakpoint('C++ Catch')
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import pprint
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import os
+
+
+class TestVSCode_setFunctionBreakpoints(
+ lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_set_and_clear(self):
+ '''Tests setting and clearing function breakpoints.
+ This packet is a bit tricky on the debug adaptor side since there
+ is no "clearFunction Breakpoints" packet. Function breakpoints
+ are set by sending a "setFunctionBreakpoints" packet with zero or
+ more function names. If function breakpoints have been set before,
+ any exising breakpoints must remain set, and any new breakpoints
+ must be created, and any breakpoints that were in previous requests
+ and are not in the current request must be removed. This function
+ tests this setting and clearing and makes sure things happen
+ correctly. It doesn't test hitting breakpoints and the functionality
+ of each breakpoint, like 'conditions' and 'hitCondition' settings.
+ '''
+ # Visual Studio Code Debug Adaptors have no way to specify the file
+ # without launching or attaching to a process, so we must start a
+ # process in order to be able to set breakpoints.
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ bp_id_12 = None
+ functions = ['twelve']
+ # Set a function breakpoint at 'twelve'
+ response = self.vscode.request_setFunctionBreakpoints(functions)
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(functions),
+ "expect %u source breakpoints" % (len(functions)))
+ for breakpoint in breakpoints:
+ bp_id_12 = breakpoint['id']
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint verified")
+
+ # Add an extra name and make sure we have two breakpoints after this
+ functions.append('thirteen')
+ response = self.vscode.request_setFunctionBreakpoints(functions)
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(functions),
+ "expect %u source breakpoints" % (len(functions)))
+ for breakpoint in breakpoints:
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint verified")
+
+ # There is no breakpoint delete packet, clients just send another
+ # setFunctionBreakpoints packet with the different function names.
+ functions.remove('thirteen')
+ response = self.vscode.request_setFunctionBreakpoints(functions)
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(functions),
+ "expect %u source breakpoints" % (len(functions)))
+ for breakpoint in breakpoints:
+ bp_id = breakpoint['id']
+ self.assertTrue(bp_id == bp_id_12,
+ 'verify "twelve" breakpoint ID is same')
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint still verified")
+
+ # Now get the full list of breakpoints set in the target and verify
+ # we have only 1 breakpoints set. The response above could have told
+ # us about 1 breakpoints, but we want to make sure we don't have the
+ # second one still set in the target
+ response = self.vscode.request_testGetTargetBreakpoints()
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(functions),
+ "expect %u source breakpoints" % (len(functions)))
+ for breakpoint in breakpoints:
+ bp_id = breakpoint['id']
+ self.assertTrue(bp_id == bp_id_12,
+ 'verify "twelve" breakpoint ID is same')
+ self.assertTrue(breakpoint['verified'],
+ "expect breakpoint still verified")
+
+ # Now clear all breakpoints for the source file by passing down an
+ # empty lines array
+ functions = []
+ response = self.vscode.request_setFunctionBreakpoints(functions)
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(functions),
+ "expect %u source breakpoints" % (len(functions)))
+
+ # Verify with the target that all breakpoints have been cleared
+ response = self.vscode.request_testGetTargetBreakpoints()
+ if response:
+ breakpoints = response['body']['breakpoints']
+ self.assertTrue(len(breakpoints) == len(functions),
+ "expect %u source breakpoints" % (len(functions)))
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_functionality(self):
+ '''Tests hitting breakpoints and the functionality of a single
+ breakpoint, like 'conditions' and 'hitCondition' settings.'''
+
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ # Set a breakpoint on "twelve" with no condition and no hitCondition
+ functions = ['twelve']
+ breakpoint_ids = self.set_function_breakpoints(functions)
+
+ self.assertTrue(len(breakpoint_ids) == len(functions),
+ "expect one breakpoint")
+
+ # Verify we hit the breakpoint we just set
+ self.continue_to_breakpoints(breakpoint_ids)
+
+ # Make sure i is zero at first breakpoint
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 0, 'i != 0 after hitting breakpoint')
+
+ # Update the condition on our breakpoint
+ new_breakpoint_ids = self.set_function_breakpoints(functions,
+ condition="i==4")
+ self.assertTrue(breakpoint_ids == new_breakpoint_ids,
+ "existing breakpoint should have its condition "
+ "updated")
+
+ self.continue_to_breakpoints(breakpoint_ids)
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 4,
+ 'i != 4 showing conditional works')
+ new_breakpoint_ids = self.set_function_breakpoints(functions,
+ hitCondition="2")
+
+ self.assertTrue(breakpoint_ids == new_breakpoint_ids,
+ "existing breakpoint should have its condition "
+ "updated")
+
+ # Continue with a hitContidtion of 2 and expect it to skip 1 value
+ self.continue_to_breakpoints(breakpoint_ids)
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 6,
+ 'i != 6 showing hitCondition works')
+
+ # continue after hitting our hitCondition and make sure it only goes
+ # up by 1
+ self.continue_to_breakpoints(breakpoint_ids)
+ i = int(self.vscode.get_local_variable_value('i'))
+ self.assertTrue(i == 7,
+ 'i != 7 showing post hitCondition hits every time')
--- /dev/null
+#include <stdio.h>
+#include <stdexcept>
+
+int twelve(int i) {
+ return 12 + i; // break 12
+}
+
+int thirteen(int i) {
+ return 13 + i; // break 13
+}
+
+namespace a {
+ int fourteen(int i) {
+ return 14 + i; // break 14
+ }
+}
+int main(int argc, char const *argv[]) {
+ for (int i=0; i<10; ++i) {
+ int x = twelve(i) + thirteen(i) + a::fourteen(i); // break loop
+ }
+ try {
+ throw std::invalid_argument( "throwing exception for testing" );
+ } catch (...) {
+ puts("caught exception...");
+ }
+ return 0;
+}
--- /dev/null
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import pprint
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import os
+import time
+
+
+class TestVSCode_launch(lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_default(self):
+ '''
+ Tests the default launch of a simple program. No arguments,
+ environment, or anything else is specified.
+ '''
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ self.continue_to_exit()
+ # Now get the STDOUT and verify our program argument is correct
+ output = self.get_stdout()
+ self.assertTrue(output and len(output) > 0,
+ "expect program output")
+ lines = output.splitlines()
+ self.assertTrue(program in lines[0],
+ "make sure program path is in first argument")
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_stopOnEntry(self):
+ '''
+ Tests the default launch of a simple program that stops at the
+ entry point instead of continuing.
+ '''
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program, stopOnEntry=True)
+ self.set_function_breakpoints(['main'])
+ stopped_events = self.continue_to_next_stop()
+ for stopped_event in stopped_events:
+ if 'body' in stopped_event:
+ body = stopped_event['body']
+ if 'reason' in body:
+ reason = body['reason']
+ self.assertTrue(
+ reason != 'breakpoint',
+ 'verify stop isn\'t "main" breakpoint')
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_cwd(self):
+ '''
+ Tests the default launch of a simple program with a current working
+ directory.
+ '''
+ program = self.getBuildArtifact("a.out")
+ program_parent_dir = os.path.split(os.path.split(program)[0])[0]
+ self.build_and_launch(program,
+ cwd=program_parent_dir)
+ self.continue_to_exit()
+ # Now get the STDOUT and verify our program argument is correct
+ output = self.get_stdout()
+ self.assertTrue(output and len(output) > 0,
+ "expect program output")
+ lines = output.splitlines()
+ found = False
+ for line in lines:
+ if line.startswith('cwd = \"'):
+ quote_path = '"%s"' % (program_parent_dir)
+ found = True
+ self.assertTrue(quote_path in line,
+ "working directory '%s' not in '%s'" % (
+ program_parent_dir, line))
+ self.assertTrue(found, "verified program working directory")
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_debuggerRoot(self):
+ '''
+ Tests the "debuggerRoot" will change the working directory of
+ the lldb-vscode debug adaptor.
+ '''
+ program = self.getBuildArtifact("a.out")
+ program_parent_dir = os.path.split(os.path.split(program)[0])[0]
+ commands = ['platform shell echo cwd = $PWD']
+ self.build_and_launch(program,
+ debuggerRoot=program_parent_dir,
+ initCommands=commands)
+ output = self.get_console()
+ self.assertTrue(output and len(output) > 0,
+ "expect console output")
+ lines = output.splitlines()
+ prefix = 'cwd = '
+ found = False
+ for line in lines:
+ if line.startswith(prefix):
+ found = True
+ self.assertTrue(program_parent_dir == line[len(prefix):],
+ "lldb-vscode working dir '%s' == '%s'" % (
+ program_parent_dir, line[6:]))
+ self.assertTrue(found, "verified lldb-vscode working directory")
+ self.continue_to_exit()
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_sourcePath(self):
+ '''
+ Tests the "sourcePath" will set the target.source-map.
+ '''
+ program = self.getBuildArtifact("a.out")
+ program_dir = os.path.split(program)[0]
+ self.build_and_launch(program,
+ sourcePath=program_dir)
+ output = self.get_console()
+ self.assertTrue(output and len(output) > 0,
+ "expect console output")
+ lines = output.splitlines()
+ prefix = '(lldb) settings set target.source-map "." '
+ found = False
+ for line in lines:
+ if line.startswith(prefix):
+ found = True
+ quoted_path = '"%s"' % (program_dir)
+ self.assertTrue(quoted_path == line[len(prefix):],
+ "lldb-vscode working dir %s == %s" % (
+ quoted_path, line[6:]))
+ self.assertTrue(found, 'found "sourcePath" in console output')
+ self.continue_to_exit()
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_disableSTDIO(self):
+ '''
+ Tests the default launch of a simple program with STDIO disabled.
+ '''
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program,
+ disableSTDIO=True)
+ self.continue_to_exit()
+ # Now get the STDOUT and verify our program argument is correct
+ output = self.get_stdout()
+ self.assertTrue(output is None or len(output) == 0,
+ "expect no program output")
+
+ @skipUnlessDarwin
+ @skipIfDarwinEmbedded
+ @no_debug_info_test
+ def test_shellExpandArguments_enabled(self):
+ '''
+ Tests the default launch of a simple program with shell expansion
+ enabled.
+ '''
+ program = self.getBuildArtifact("a.out")
+ program_dir = os.path.split(program)[0]
+ glob = os.path.join(program_dir, '*.out')
+ self.build_and_launch(program, args=[glob], shellExpandArguments=True)
+ self.continue_to_exit()
+ # Now get the STDOUT and verify our program argument is correct
+ output = self.get_stdout()
+ self.assertTrue(output and len(output) > 0,
+ "expect no program output")
+ lines = output.splitlines()
+ for line in lines:
+ quote_path = '"%s"' % (program)
+ if line.startswith("arg[1] ="):
+ self.assertTrue(quote_path in line,
+ 'verify "%s" expanded to "%s"' % (
+ glob, program))
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_shellExpandArguments_disabled(self):
+ '''
+ Tests the default launch of a simple program with shell expansion
+ disabled.
+ '''
+ program = self.getBuildArtifact("a.out")
+ program_dir = os.path.split(program)[0]
+ glob = os.path.join(program_dir, '*.out')
+ self.build_and_launch(program,
+ args=[glob],
+ shellExpandArguments=False)
+ self.continue_to_exit()
+ # Now get the STDOUT and verify our program argument is correct
+ output = self.get_stdout()
+ self.assertTrue(output and len(output) > 0,
+ "expect no program output")
+ lines = output.splitlines()
+ for line in lines:
+ quote_path = '"%s"' % (glob)
+ if line.startswith("arg[1] ="):
+ self.assertTrue(quote_path in line,
+ 'verify "%s" stayed to "%s"' % (
+ glob, glob))
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_args(self):
+ '''
+ Tests launch of a simple program with arguments
+ '''
+ program = self.getBuildArtifact("a.out")
+ args = ["one", "with space", "'with single quotes'",
+ '"with double quotes"']
+ self.build_and_launch(program,
+ args=args)
+ self.continue_to_exit()
+
+ # Now get the STDOUT and verify our arguments got passed correctly
+ output = self.get_stdout()
+ self.assertTrue(output and len(output) > 0,
+ "expect program output")
+ lines = output.splitlines()
+ # Skip the first argument that contains the program name
+ lines.pop(0)
+ # Make sure arguments we specified are correct
+ for (i, arg) in enumerate(args):
+ quoted_arg = '"%s"' % (arg)
+ self.assertTrue(quoted_arg in lines[i],
+ 'arg[%i] "%s" not in "%s"' % (i+1, quoted_arg, lines[i]))
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_environment(self):
+ '''
+ Tests launch of a simple program with environment variables
+ '''
+ program = self.getBuildArtifact("a.out")
+ env = ["NO_VALUE", "WITH_VALUE=BAR", "EMPTY_VALUE=",
+ "SPACE=Hello World"]
+ self.build_and_launch(program,
+ env=env)
+ self.continue_to_exit()
+
+ # Now get the STDOUT and verify our arguments got passed correctly
+ output = self.get_stdout()
+ self.assertTrue(output and len(output) > 0,
+ "expect program output")
+ lines = output.splitlines()
+ # Skip the all arguments so we have only environment vars left
+ while len(lines) and lines[0].startswith("arg["):
+ lines.pop(0)
+ # Make sure each environment variable in "env" is actually set in the
+ # program environment that was printed to STDOUT
+ for var in env:
+ found = False
+ for program_var in lines:
+ if var in program_var:
+ found = True
+ break
+ self.assertTrue(found,
+ '"%s" must exist in program environment (%s)' % (
+ var, lines))
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_commands(self):
+ '''
+ Tests the "initCommands", "preRunCommands", "stopCommands" and
+ "exitCommands" that can be passed during launch.
+
+ "initCommands" are a list of LLDB commands that get executed
+ before the targt is created.
+ "preRunCommands" are a list of LLDB commands that get executed
+ after the target has been created and before the launch.
+ "stopCommands" are a list of LLDB commands that get executed each
+ time the program stops.
+ "exitCommands" are a list of LLDB commands that get executed when
+ the process exits
+ '''
+ program = self.getBuildArtifact("a.out")
+ initCommands = ['target list', 'platform list']
+ preRunCommands = ['image list a.out', 'image dump sections a.out']
+ stopCommands = ['frame variable', 'bt']
+ exitCommands = ['expr 2+3', 'expr 3+4']
+ self.build_and_launch(program,
+ initCommands=initCommands,
+ preRunCommands=preRunCommands,
+ stopCommands=stopCommands,
+ exitCommands=exitCommands)
+
+ # Get output from the console. This should contain both the
+ # "initCommands" and the "preRunCommands".
+ output = self.get_console()
+ # Verify all "initCommands" were found in console output
+ self.verify_commands('initCommands', output, initCommands)
+ # Verify all "preRunCommands" were found in console output
+ self.verify_commands('preRunCommands', output, preRunCommands)
+
+ source = 'main.c'
+ first_line = line_number(source, '// breakpoint 1')
+ second_line = line_number(source, '// breakpoint 2')
+ lines = [first_line, second_line]
+
+ # Set 2 breakoints so we can verify that "stopCommands" get run as the
+ # breakpoints get hit
+ breakpoint_ids = self.set_source_breakpoints(source, lines)
+ self.assertTrue(len(breakpoint_ids) == len(lines),
+ "expect correct number of breakpoints")
+
+ # Continue after launch and hit the first breakpoint.
+ # Get output from the console. This should contain both the
+ # "stopCommands" that were run after the first breakpoint was hit
+ self.continue_to_breakpoints(breakpoint_ids)
+ output = self.get_console(timeout=1.0)
+ self.verify_commands('stopCommands', output, stopCommands)
+
+ # Continue again and hit the second breakpoint.
+ # Get output from the console. This should contain both the
+ # "stopCommands" that were run after the second breakpoint was hit
+ self.continue_to_breakpoints(breakpoint_ids)
+ output = self.get_console(timeout=1.0)
+ self.verify_commands('stopCommands', output, stopCommands)
+
+ # Continue until the program exits
+ self.continue_to_exit()
+ # Get output from the console. This should contain both the
+ # "exitCommands" that were run after the second breakpoint was hit
+ output = self.get_console(timeout=1.0)
+ self.verify_commands('exitCommands', output, exitCommands)
--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char const *argv[], char const *envp[]) {
+ for (int i=0; i<argc; ++i)
+ printf("arg[%i] = \"%s\"\n", i, argv[i]);
+ for (int i=0; envp[i]; ++i)
+ printf("env[%i] = \"%s\"\n", i, envp[i]);
+ char *cwd = getcwd(NULL, 0);
+ printf("cwd = \"%s\"\n", cwd); // breakpoint 1
+ free(cwd);
+ cwd = NULL;
+ return 0; // breakpoint 2
+}
--- /dev/null
+from __future__ import print_function
+
+from lldbsuite.test.lldbtest import *
+import os
+import vscode
+
+
+class VSCodeTestCaseBase(TestBase):
+
+ def create_debug_adaptor(self):
+ '''Create the Visual Studio Code debug adaptor'''
+ self.assertTrue(os.path.exists(self.lldbVSCodeExec),
+ 'lldb-vscode must exist')
+ self.vscode = vscode.DebugAdaptor(executable=self.lldbVSCodeExec)
+
+ def build_and_create_debug_adaptor(self):
+ self.build()
+ self.create_debug_adaptor()
+
+ def set_source_breakpoints(self, source_path, lines, condition=None,
+ hitCondition=None):
+ '''Sets source breakpoints and returns an array of strings containing
+ the breakpoint location IDs ("1.1", "1.2") for each breakpoint
+ that was set.
+ '''
+ response = self.vscode.request_setBreakpoints(
+ source_path, lines, condition=condition, hitCondition=hitCondition)
+ if response is None:
+ return []
+ breakpoints = response['body']['breakpoints']
+ breakpoint_ids = []
+ for breakpoint in breakpoints:
+ response_id = breakpoint['id']
+ bp_id = response_id >> 32
+ bp_loc_id = response_id & 0xffffffff
+ breakpoint_ids.append('%i.%i' % (bp_id, bp_loc_id))
+ return breakpoint_ids
+
+ def set_function_breakpoints(self, functions, condition=None,
+ hitCondition=None):
+ '''Sets breakpoints by function name given an array of function names
+ and returns an array of strings containing the breakpoint location
+ IDs ("1.1", "1.2") for each breakpoint that was set.
+ '''
+ response = self.vscode.request_setFunctionBreakpoints(
+ functions, condition=condition, hitCondition=hitCondition)
+ if response is None:
+ return []
+ breakpoints = response['body']['breakpoints']
+ breakpoint_ids = []
+ for breakpoint in breakpoints:
+ response_id = breakpoint['id']
+ bp_id = response_id >> 32
+ bp_loc_id = response_id & 0xffffffff
+ breakpoint_ids.append('%i.%i' % (bp_id, bp_loc_id))
+ return breakpoint_ids
+
+ def verify_breakpoint_hit(self, breakpoint_ids):
+ '''Wait for the process we are debugging to stop, and verify we hit
+ any breakpoint location in the "breakpoint_ids" array.
+ "breakpoint_ids" should be a list of breakpoint location ID strings
+ (["1.1", "2.1"]). The return value from
+ self.set_source_breakpoints() can be passed to this function'''
+ stopped_events = self.vscode.wait_for_stopped()
+ for stopped_event in stopped_events:
+ if 'body' in stopped_event:
+ body = stopped_event['body']
+ if 'reason' not in body:
+ continue
+ if body['reason'] != 'breakpoint':
+ continue
+ if 'description' not in body:
+ continue
+ # Description is "breakpoint 1.1", so look for any location id
+ # ("1.1") in the description field as verification that one of
+ # the breakpoint locations was hit
+ description = body['description']
+ for breakpoint_id in breakpoint_ids:
+ if breakpoint_id in description:
+ return True
+ return False
+
+ def verify_exception_breakpoint_hit(self, filter_label):
+ '''Wait for the process we are debugging to stop, and verify the stop
+ reason is 'exception' and that the description matches
+ 'filter_label'
+ '''
+ stopped_events = self.vscode.wait_for_stopped()
+ for stopped_event in stopped_events:
+ if 'body' in stopped_event:
+ body = stopped_event['body']
+ if 'reason' not in body:
+ continue
+ if body['reason'] != 'exception':
+ continue
+ if 'description' not in body:
+ continue
+ description = body['description']
+ if filter_label == description:
+ return True
+ return False
+
+ def verify_commands(self, flavor, output, commands):
+ self.assertTrue(output and len(output) > 0, "expect console output")
+ lines = output.splitlines()
+ prefix = '(lldb) '
+ for cmd in commands:
+ found = False
+ for line in lines:
+ if line.startswith(prefix) and cmd in line:
+ found = True
+ break
+ self.assertTrue(found,
+ "verify '%s' found in console output for '%s'" % (
+ cmd, flavor))
+
+ def get_dict_value(self, d, key_path):
+ '''Verify each key in the key_path array is in contained in each
+ dictionary within "d". Assert if any key isn't in the
+ corresponding dictionary. This is handy for grabbing values from VS
+ Code response dictionary like getting
+ response['body']['stackFrames']
+ '''
+ value = d
+ for key in key_path:
+ if key in value:
+ value = value[key]
+ else:
+ self.assertTrue(key in value,
+ 'key "%s" from key_path "%s" not in "%s"' % (
+ key, key_path, d))
+ return value
+
+ def get_stackFrames(self, threadId=None, startFrame=None, levels=None,
+ dump=False):
+ response = self.vscode.request_stackTrace(threadId=threadId,
+ startFrame=startFrame,
+ levels=levels,
+ dump=dump)
+ if response:
+ return self.get_dict_value(response, ['body', 'stackFrames'])
+ return None
+
+ def get_source_and_line(self, threadId=None, frameIndex=0):
+ stackFrames = self.get_stackFrames(threadId=threadId,
+ startFrame=frameIndex,
+ levels=1)
+ if stackFrames is not None:
+ stackFrame = stackFrames[0]
+ ['source', 'path']
+ if 'source' in stackFrame:
+ source = stackFrame['source']
+ if 'path' in source:
+ if 'line' in stackFrame:
+ return (source['path'], stackFrame['line'])
+ return ('', 0)
+
+ def get_stdout(self, timeout=0.0):
+ return self.vscode.get_output('stdout', timeout=timeout)
+
+ def get_console(self, timeout=0.0):
+ return self.vscode.get_output('console', timeout=timeout)
+
+ def get_local_as_int(self, name, threadId=None):
+ value = self.vscode.get_local_variable_value(name, threadId=threadId)
+ if value.startswith('0x'):
+ return int(value, 16)
+ elif value.startswith('0'):
+ return int(value, 8)
+ else:
+ return int(value)
+
+ def set_local(self, name, value, id=None):
+ '''Set a top level local variable only.'''
+ return self.vscode.request_setVariable(1, name, str(value), id=id)
+
+ def set_global(self, name, value, id=None):
+ '''Set a top level global variable only.'''
+ return self.vscode.request_setVariable(2, name, str(value), id=id)
+
+ def stepIn(self, threadId=None, waitForStop=True):
+ self.vscode.request_stepIn(threadId=threadId)
+ if waitForStop:
+ return self.vscode.wait_for_stopped()
+ return None
+
+ def stepOver(self, threadId=None, waitForStop=True):
+ self.vscode.request_next(threadId=threadId)
+ if waitForStop:
+ return self.vscode.wait_for_stopped()
+ return None
+
+ def stepOut(self, threadId=None, waitForStop=True):
+ self.vscode.request_stepOut(threadId=threadId)
+ if waitForStop:
+ return self.vscode.wait_for_stopped()
+ return None
+
+ def continue_to_next_stop(self):
+ self.vscode.request_continue()
+ return self.vscode.wait_for_stopped()
+
+ def continue_to_breakpoints(self, breakpoint_ids):
+ self.vscode.request_continue()
+ self.verify_breakpoint_hit(breakpoint_ids)
+
+ def continue_to_exception_breakpoint(self, filter_label):
+ self.vscode.request_continue()
+ self.assertTrue(self.verify_exception_breakpoint_hit(filter_label),
+ 'verify we got "%s"' % (filter_label))
+
+ def continue_to_exit(self, exitCode=0):
+ self.vscode.request_continue()
+ stopped_events = self.vscode.wait_for_stopped()
+ self.assertTrue(len(stopped_events) == 1,
+ "expecting single 'exited' event")
+ self.assertTrue(stopped_events[0]['event'] == 'exited',
+ 'make sure program ran to completion')
+ self.assertTrue(stopped_events[0]['body']['exitCode'] == exitCode,
+ 'exitCode == %i' % (exitCode))
+
+ def attach(self, program=None, pid=None, waitFor=None, trace=None,
+ initCommands=None, preRunCommands=None, stopCommands=None,
+ exitCommands=None, attachCommands=None):
+ '''Build the default Makefile target, create the VSCode debug adaptor,
+ and attach to the process.
+ '''
+ # Make sure we disconnect and terminate the VSCode debug adaptor even
+ # if we throw an exception during the test case.
+ def cleanup():
+ self.vscode.request_disconnect(terminateDebuggee=True)
+ self.vscode.terminate()
+
+ # Execute the cleanup function during test case tear down.
+ self.addTearDownHook(cleanup)
+ # Initialize and launch the program
+ self.vscode.request_initialize()
+ response = self.vscode.request_attach(
+ program=program, pid=pid, waitFor=waitFor, trace=trace,
+ initCommands=initCommands, preRunCommands=preRunCommands,
+ stopCommands=stopCommands, exitCommands=exitCommands,
+ attachCommands=attachCommands)
+ if not (response and response['success']):
+ self.assertTrue(response['success'],
+ 'attach failed (%s)' % (response['message']))
+
+ def build_and_launch(self, program, args=None, cwd=None, env=None,
+ stopOnEntry=False, disableASLR=True,
+ disableSTDIO=False, shellExpandArguments=False,
+ trace=False, initCommands=None, preRunCommands=None,
+ stopCommands=None, exitCommands=None,
+ sourcePath=None, debuggerRoot=None):
+ '''Build the default Makefile target, create the VSCode debug adaptor,
+ and launch the process.
+ '''
+ self.build_and_create_debug_adaptor()
+ self.assertTrue(os.path.exists(program), 'executable must exist')
+
+ # Make sure we disconnect and terminate the VSCode debug adaptor even
+ # if we throw an exception during the test case.
+ def cleanup():
+ self.vscode.request_disconnect(terminateDebuggee=True)
+ self.vscode.terminate()
+
+ # Execute the cleanup function during test case tear down.
+ self.addTearDownHook(cleanup)
+
+ # Initialize and launch the program
+ self.vscode.request_initialize()
+ response = self.vscode.request_launch(
+ program,
+ args=args,
+ cwd=cwd,
+ env=env,
+ stopOnEntry=stopOnEntry,
+ disableASLR=disableASLR,
+ disableSTDIO=disableSTDIO,
+ shellExpandArguments=shellExpandArguments,
+ trace=trace,
+ initCommands=initCommands,
+ preRunCommands=preRunCommands,
+ stopCommands=stopCommands,
+ exitCommands=exitCommands,
+ sourcePath=sourcePath,
+ debuggerRoot=debuggerRoot)
+ if not (response and response['success']):
+ self.assertTrue(response['success'],
+ 'launch failed (%s)' % (response['message']))
--- /dev/null
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import os
+
+
+class TestVSCode_stackTrace(lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+ name_key_path = ['name']
+ source_key_path = ['source', 'path']
+ line_key_path = ['line']
+
+ def verify_stackFrames(self, start_idx, stackFrames):
+ frame_idx = start_idx
+ for stackFrame in stackFrames:
+ # Don't care about frame above main
+ if frame_idx > 20:
+ return
+ self.verify_stackFrame(frame_idx, stackFrame)
+ frame_idx += 1
+
+ def verify_stackFrame(self, frame_idx, stackFrame):
+ frame_name = self.get_dict_value(stackFrame, self.name_key_path)
+ frame_source = self.get_dict_value(stackFrame, self.source_key_path)
+ frame_line = self.get_dict_value(stackFrame, self.line_key_path)
+ if frame_idx == 0:
+ expected_line = self.recurse_end
+ expected_name = 'recurse'
+ elif frame_idx < 20:
+ expected_line = self.recurse_call
+ expected_name = 'recurse'
+ else:
+ expected_line = self.recurse_invocation
+ expected_name = 'main'
+ self.assertTrue(frame_name == expected_name,
+ 'frame #%i name "%s" == "%s"' % (
+ frame_idx, frame_name, expected_name))
+ self.assertTrue(frame_source == self.source_path,
+ 'frame #%i source "%s" == "%s"' % (
+ frame_idx, frame_source, self.source_path))
+ self.assertTrue(frame_line == expected_line,
+ 'frame #%i line %i == %i' % (frame_idx, frame_line,
+ expected_line))
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_stackTrace(self):
+ '''
+ Tests the 'stackTrace' packet and all its variants.
+ '''
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ source = 'main.c'
+ self.source_path = os.path.join(os.getcwd(), source)
+ self.recurse_end = line_number(source, 'recurse end')
+ self.recurse_call = line_number(source, 'recurse call')
+ self.recurse_invocation = line_number(source, 'recurse invocation')
+
+ lines = [self.recurse_end]
+
+ # Set breakoint at a point of deepest recuusion
+ breakpoint_ids = self.set_source_breakpoints(source, lines)
+ self.assertTrue(len(breakpoint_ids) == len(lines),
+ "expect correct number of breakpoints")
+
+ self.continue_to_breakpoints(breakpoint_ids)
+ startFrame = 0
+ # Verify we get all stack frames with no arguments
+ stackFrames = self.get_stackFrames()
+ frameCount = len(stackFrames)
+ self.assertTrue(frameCount >= 20,
+ 'verify we get at least 20 frames for all frames')
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Verify all stack frames by specifying startFrame = 0 and levels not
+ # specified
+ stackFrames = self.get_stackFrames(startFrame=startFrame)
+ self.assertTrue(frameCount == len(stackFrames),
+ ('verify same number of frames with startFrame=%i') % (
+ startFrame))
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Verify all stack frames by specifying startFrame = 0 and levels = 0
+ levels = 0
+ stackFrames = self.get_stackFrames(startFrame=startFrame,
+ levels=levels)
+ self.assertTrue(frameCount == len(stackFrames),
+ ('verify same number of frames with startFrame=%i and'
+ ' levels=%i') % (startFrame, levels))
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Get only the first stack frame by sepcifying startFrame = 0 and
+ # levels = 1
+ levels = 1
+ stackFrames = self.get_stackFrames(startFrame=startFrame,
+ levels=levels)
+ self.assertTrue(levels == len(stackFrames),
+ ('verify one frame with startFrame=%i and'
+ ' levels=%i') % (startFrame, levels))
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Get only the first 3 stack frames by sepcifying startFrame = 0 and
+ # levels = 3
+ levels = 3
+ stackFrames = self.get_stackFrames(startFrame=startFrame,
+ levels=levels)
+ self.assertTrue(levels == len(stackFrames),
+ ('verify %i frames with startFrame=%i and'
+ ' levels=%i') % (levels, startFrame, levels))
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Get only the first 15 stack frames by sepcifying startFrame = 5 and
+ # levels = 16
+ startFrame = 5
+ levels = 16
+ stackFrames = self.get_stackFrames(startFrame=startFrame,
+ levels=levels)
+ self.assertTrue(levels == len(stackFrames),
+ ('verify %i frames with startFrame=%i and'
+ ' levels=%i') % (levels, startFrame, levels))
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Verify we cap things correctly when we ask for too many frames
+ startFrame = 5
+ levels = 1000
+ stackFrames = self.get_stackFrames(startFrame=startFrame,
+ levels=levels)
+ self.assertTrue(len(stackFrames) == frameCount - startFrame,
+ ('verify less than 1000 frames with startFrame=%i and'
+ ' levels=%i') % (startFrame, levels))
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Verify level=0 works with non-zerp start frame
+ startFrame = 5
+ levels = 0
+ stackFrames = self.get_stackFrames(startFrame=startFrame,
+ levels=levels)
+ self.assertTrue(len(stackFrames) == frameCount - startFrame,
+ ('verify less than 1000 frames with startFrame=%i and'
+ ' levels=%i') % (startFrame, levels))
+ self.verify_stackFrames(startFrame, stackFrames)
+
+ # Verify we get not frames when startFrame is too high
+ startFrame = 1000
+ levels = 1
+ stackFrames = self.get_stackFrames(startFrame=startFrame,
+ levels=levels)
+ self.assertTrue(0 == len(stackFrames),
+ 'verify zero frames with startFrame out of bounds')
--- /dev/null
+#include <stdio.h>
+#include <unistd.h>
+
+int recurse(int x) {
+ if (x <= 1)
+ return 1; // recurse end
+ return recurse(x-1) + x; // recurse call
+}
+
+int main(int argc, char const *argv[]) {
+ recurse(20); // recurse invocation
+ return 0;
+}
--- /dev/null
+LEVEL = ../../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import os
+
+
+class TestVSCode_step(lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_step(self):
+ '''
+ Tests the stepping in/out/over in threads.
+ '''
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ source = 'main.cpp'
+ # source_path = os.path.join(os.getcwd(), source)
+ breakpoint1_line = line_number(source, '// breakpoint 1')
+ lines = [breakpoint1_line]
+ # Set breakoint in the thread function so we can step the threads
+ breakpoint_ids = self.set_source_breakpoints(source, lines)
+ self.assertTrue(len(breakpoint_ids) == len(lines),
+ "expect correct number of breakpoints")
+ self.continue_to_breakpoints(breakpoint_ids)
+ threads = self.vscode.get_threads()
+ for thread in threads:
+ if 'reason' in thread:
+ reason = thread['reason']
+ if reason == 'breakpoint':
+ # We have a thread that is stopped at our breakpoint.
+ # Get the value of "x" and get the source file and line.
+ # These will help us determine if we are stepping
+ # correctly. If we step a thread correctly we will verify
+ # the correct falue for x as it progresses through the
+ # program.
+ tid = thread['id']
+ x1 = self.get_local_as_int('x', threadId=tid)
+ (src1, line1) = self.get_source_and_line(threadId=tid)
+
+ # Now step into the "recurse()" function call again and
+ # verify, using the new value of "x" and the source file
+ # and line if we stepped correctly
+ self.stepIn(threadId=tid, waitForStop=True)
+ x2 = self.get_local_as_int('x', threadId=tid)
+ (src2, line2) = self.get_source_and_line(threadId=tid)
+ self.assertTrue(x1 == x2 + 1, 'verify step in variable')
+ self.assertTrue(line2 < line1, 'verify step in line')
+ self.assertTrue(src1 == src2, 'verify step in source')
+
+ # Now step out and verify
+ self.stepOut(threadId=tid, waitForStop=True)
+ x3 = self.get_local_as_int('x', threadId=tid)
+ (src3, line3) = self.get_source_and_line(threadId=tid)
+ self.assertTrue(x1 == x3, 'verify step out variable')
+ self.assertTrue(line3 >= line1, 'verify step out line')
+ self.assertTrue(src1 == src3, 'verify step in source')
+
+ # Step over and verify
+ self.stepOver(threadId=tid, waitForStop=True)
+ x4 = self.get_local_as_int('x', threadId=tid)
+ (src4, line4) = self.get_source_and_line(threadId=tid)
+ self.assertTrue(x4 == x3, 'verify step over variable')
+ self.assertTrue(line4 > line3, 'verify step over line')
+ self.assertTrue(src1 == src4, 'verify step over source')
+ # only step one thread that is at the breakpoint and stop
+ break
--- /dev/null
+#include <thread>
+
+int function(int x) {
+ if ((x % 2) == 0)
+ return function(x-1) + x; // breakpoint 1
+ else
+ return x;
+}
+
+int main(int argc, char const *argv[]) {
+ std::thread thread1(function, 2);
+ std::thread thread2(function, 4);
+ thread1.join();
+ thread2.join();
+ return 0;
+}
--- /dev/null
+LEVEL = ../../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
--- /dev/null
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+import os
+
+
+def make_buffer_verify_dict(start_idx, count, offset=0):
+ verify_dict = {}
+ for i in range(start_idx, start_idx + count):
+ verify_dict['[%i]' % (i)] = {'type': 'int', 'value': str(i+offset)}
+ return verify_dict
+
+
+class TestVSCode_variables(lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ def verify_values(self, verify_dict, actual, varref_dict=None):
+ if 'equals' in verify_dict:
+ verify = verify_dict['equals']
+ for key in verify:
+ verify_value = verify[key]
+ actual_value = actual[key]
+ self.assertTrue(verify_value == actual_value,
+ '"%s" keys don\'t match (%s != %s)' % (
+ key, actual_value, verify_value))
+ if 'startswith' in verify_dict:
+ verify = verify_dict['startswith']
+ for key in verify:
+ verify_value = verify[key]
+ actual_value = actual[key]
+ startswith = actual_value.startswith(verify_value)
+ self.assertTrue(startswith,
+ ('"%s" value "%s" doesn\'t start with'
+ ' "%s")') % (
+ key, actual_value,
+ verify_value))
+ hasVariablesReference = 'variablesReference' in actual
+ varRef = None
+ if hasVariablesReference:
+ # Remember variable references in case we want to test further
+ # by using the evaluate name.
+ varRef = actual['variablesReference']
+ if varRef != 0 and varref_dict is not None:
+ varref_dict[actual['evaluateName']] = varRef
+ if ('hasVariablesReference' in verify_dict and
+ verify_dict['hasVariablesReference']):
+ self.assertTrue(hasVariablesReference,
+ "verify variable reference")
+ if 'children' in verify_dict:
+ self.assertTrue(hasVariablesReference and varRef is not None and
+ varRef != 0,
+ ("children verify values specified for "
+ "variable without children"))
+
+ response = self.vscode.request_variables(varRef)
+ self.verify_variables(verify_dict['children'],
+ response['body']['variables'],
+ varref_dict)
+
+ def verify_variables(self, verify_dict, variables, varref_dict=None):
+ for variable in variables:
+ name = variable['name']
+ self.assertTrue(name in verify_dict,
+ 'variable "%s" in verify dictionary' % (name))
+ self.verify_values(verify_dict[name], variable, varref_dict)
+
+ @skipIfWindows
+ @no_debug_info_test
+ def test_scopes_variables_setVariable_evaluate(self):
+ '''
+ Tests the "scopes", "variables", "setVariable", and "evaluate"
+ packets.
+ '''
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ source = 'main.cpp'
+ breakpoint1_line = line_number(source, '// breakpoint 1')
+ lines = [breakpoint1_line]
+ # Set breakoint in the thread function so we can step the threads
+ breakpoint_ids = self.set_source_breakpoints(source, lines)
+ self.assertTrue(len(breakpoint_ids) == len(lines),
+ "expect correct number of breakpoints")
+ self.continue_to_breakpoints(breakpoint_ids)
+ locals = self.vscode.get_local_variables()
+ globals = self.vscode.get_global_variables()
+ buffer_children = make_buffer_verify_dict(0, 32)
+ verify_locals = {
+ 'argc': {
+ 'equals': {'type': 'int', 'value': '1'}
+ },
+ 'argv': {
+ 'equals': {'type': 'const char **'},
+ 'startswith': {'value': '0x'},
+ 'hasVariablesReference': True
+ },
+ 'pt': {
+ 'equals': {'type': 'PointType'},
+ 'hasVariablesReference': True,
+ 'children': {
+ 'x': {'equals': {'type': 'int', 'value': '11'}},
+ 'y': {'equals': {'type': 'int', 'value': '22'}},
+ 'buffer': {'children': buffer_children}
+ }
+ }
+ }
+ verify_globals = {
+ 's_local': {
+ 'equals': {'type': 'float', 'value': '2.25'}
+ },
+ '::g_global': {
+ 'equals': {'type': 'int', 'value': '123'}
+ },
+ 's_global': {
+ 'equals': {'type': 'int', 'value': '234'}
+ },
+ }
+ varref_dict = {}
+ self.verify_variables(verify_locals, locals, varref_dict)
+ self.verify_variables(verify_globals, globals, varref_dict)
+ # pprint.PrettyPrinter(indent=4).pprint(varref_dict)
+ # We need to test the functionality of the "variables" request as it
+ # has optional parameters like "start" and "count" to limit the number
+ # of variables that are fetched
+ varRef = varref_dict['pt.buffer']
+ response = self.vscode.request_variables(varRef)
+ self.verify_variables(buffer_children, response['body']['variables'])
+ # Verify setting start=0 in the arguments still gets all children
+ response = self.vscode.request_variables(varRef, start=0)
+ self.verify_variables(buffer_children, response['body']['variables'])
+ # Verify setting count=0 in the arguments still gets all children.
+ # If count is zero, it means to get all children.
+ response = self.vscode.request_variables(varRef, count=0)
+ self.verify_variables(buffer_children, response['body']['variables'])
+ # Verify setting count to a value that is too large in the arguments
+ # still gets all children, and no more
+ response = self.vscode.request_variables(varRef, count=1000)
+ self.verify_variables(buffer_children, response['body']['variables'])
+ # Verify setting the start index and count gets only the children we
+ # want
+ response = self.vscode.request_variables(varRef, start=5, count=5)
+ self.verify_variables(make_buffer_verify_dict(5, 5),
+ response['body']['variables'])
+ # Verify setting the start index to a value that is out of range
+ # results in an empty list
+ response = self.vscode.request_variables(varRef, start=32, count=1)
+ self.assertTrue(len(response['body']['variables']) == 0,
+ 'verify we get no variable back for invalid start')
+
+ # Test evaluate
+ expressions = {
+ 'pt.x': {
+ 'equals': {'result': '11', 'type': 'int'},
+ 'hasVariablesReference': False
+ },
+ 'pt.buffer[2]': {
+ 'equals': {'result': '2', 'type': 'int'},
+ 'hasVariablesReference': False
+ },
+ 'pt': {
+ 'equals': {'type': 'PointType'},
+ 'startswith': {'result': 'PointType @ 0x'},
+ 'hasVariablesReference': True
+ },
+ 'pt.buffer': {
+ 'equals': {'type': 'int [32]'},
+ 'startswith': {'result': 'int [32] @ 0x'},
+ 'hasVariablesReference': True
+ },
+ 'argv': {
+ 'equals': {'type': 'const char **'},
+ 'startswith': {'result': '0x'},
+ 'hasVariablesReference': True
+ },
+ 'argv[0]': {
+ 'equals': {'type': 'const char *'},
+ 'startswith': {'result': '0x'},
+ 'hasVariablesReference': True
+ },
+ '2+3': {
+ 'equals': {'result': '5', 'type': 'int'},
+ 'hasVariablesReference': False
+ },
+ }
+ for expression in expressions:
+ response = self.vscode.request_evaluate(expression)
+ self.verify_values(expressions[expression], response['body'])
+
+ # Test setting variables
+ self.set_local('argc', 123)
+ argc = self.get_local_as_int('argc')
+ self.assertTrue(argc == 123,
+ 'verify argc was set to 123 (123 != %i)' % (argc))
+
+ self.set_local('argv', 0x1234)
+ argv = self.get_local_as_int('argv')
+ self.assertTrue(argv == 0x1234,
+ 'verify argv was set to 0x1234 (0x1234 != %#x)' % (
+ argv))
+
+ # Set a variable value whose name is synthetic, like a variable index
+ # and verify the value by reading it
+ self.vscode.request_setVariable(varRef, "[0]", 100)
+ response = self.vscode.request_variables(varRef, start=0, count=1)
+ self.verify_variables(make_buffer_verify_dict(0, 1, 100),
+ response['body']['variables'])
+
+ # Set a variable value whose name is a real child value, like "pt.x"
+ # and verify the value by reading it
+ varRef = varref_dict['pt']
+ self.vscode.request_setVariable(varRef, "x", 111)
+ response = self.vscode.request_variables(varRef, start=0, count=1)
+ value = response['body']['variables'][0]['value']
+ self.assertTrue(value == '111',
+ 'verify pt.x got set to 111 (111 != %s)' % (value))
--- /dev/null
+
+#define BUFFER_SIZE 32
+struct PointType {
+ int x;
+ int y;
+ int buffer[BUFFER_SIZE];
+};
+
+int g_global = 123;
+static int s_global = 234;
+
+int main(int argc, char const *argv[]) {
+ static float s_local = 2.25;
+ PointType pt = { 11,22, {0}};
+ for (int i=0; i<BUFFER_SIZE; ++i)
+ pt.buffer[i] = i;
+ return s_global - g_global - pt.y; // breakpoint 1
+}
--- /dev/null
+#!/usr/bin/env python
+
+import binascii
+import json
+import optparse
+import os
+import pprint
+import socket
+import string
+import subprocess
+import sys
+import threading
+
+
+def dump_memory(base_addr, data, num_per_line, outfile):
+
+ data_len = len(data)
+ hex_string = binascii.hexlify(data)
+ addr = base_addr
+ ascii_str = ''
+ i = 0
+ while i < data_len:
+ outfile.write('0x%8.8x: ' % (addr + i))
+ bytes_left = data_len - i
+ if bytes_left >= num_per_line:
+ curr_data_len = num_per_line
+ else:
+ curr_data_len = bytes_left
+ hex_start_idx = i * 2
+ hex_end_idx = hex_start_idx + curr_data_len * 2
+ curr_hex_str = hex_string[hex_start_idx:hex_end_idx]
+ # 'curr_hex_str' now contains the hex byte string for the
+ # current line with no spaces between bytes
+ t = iter(curr_hex_str)
+ # Print hex bytes separated by space
+ outfile.write(' '.join(a + b for a, b in zip(t, t)))
+ # Print two spaces
+ outfile.write(' ')
+ # Calculate ASCII string for bytes into 'ascii_str'
+ ascii_str = ''
+ for j in range(i, i + curr_data_len):
+ ch = data[j]
+ if ch in string.printable and ch not in string.whitespace:
+ ascii_str += '%c' % (ch)
+ else:
+ ascii_str += '.'
+ # Print ASCII representation and newline
+ outfile.write(ascii_str)
+ i = i + curr_data_len
+ outfile.write('\n')
+
+
+def read_packet(f, verbose=False, trace_file=None):
+ '''Decode a JSON packet that starts with the content length and is
+ followed by the JSON bytes from a file 'f'
+ '''
+ line = f.readline()
+ if len(line) == 0:
+ return None
+
+ # Watch for line that starts with the prefix
+ prefix = 'Content-Length: '
+ if line.startswith(prefix):
+ # Decode length of JSON bytes
+ if verbose:
+ print('content: "%s"' % (line))
+ length = int(line[len(prefix):])
+ if verbose:
+ print('length: "%u"' % (length))
+ # Skip empty line
+ line = f.readline()
+ if verbose:
+ print('empty: "%s"' % (line))
+ # Read JSON bytes
+ json_str = f.read(length)
+ if verbose:
+ print('json: "%s"' % (json_str))
+ if trace_file:
+ trace_file.write('from adaptor:\n%s\n' % (json_str))
+ # Decode the JSON bytes into a python dictionary
+ return json.loads(json_str)
+
+ return None
+
+
+def packet_type_is(packet, packet_type):
+ return 'type' in packet and packet['type'] == packet_type
+
+
+def read_packet_thread(vs_comm):
+ done = False
+ while not done:
+ packet = read_packet(vs_comm.recv, trace_file=vs_comm.trace_file)
+ if packet:
+ done = not vs_comm.handle_recv_packet(packet)
+ else:
+ done = True
+
+
+class DebugCommunication(object):
+
+ def __init__(self, recv, send):
+ self.trace_file = None
+ self.send = send
+ self.recv = recv
+ self.recv_packets = []
+ self.recv_condition = threading.Condition()
+ self.recv_thread = threading.Thread(target=read_packet_thread,
+ args=(self,))
+ self.process_event_body = None
+ self.exit_status = None
+ self.initialize_body = None
+ self.thread_stop_reasons = {}
+ self.sequence = 1
+ self.threads = None
+ self.recv_thread.start()
+ self.output_condition = threading.Condition()
+ self.output = {}
+ self.configuration_done_sent = False
+ self.frame_scopes = {}
+
+ @classmethod
+ def encode_content(cls, s):
+ return "Content-Length: %u\r\n\r\n%s" % (len(s), s)
+
+ @classmethod
+ def validate_response(cls, command, response):
+ if command['command'] != response['command']:
+ raise ValueError('command mismatch in response')
+ if command['seq'] != response['request_seq']:
+ raise ValueError('seq mismatch in response')
+
+ def get_output(self, category, timeout=0.0, clear=True):
+ self.output_condition.acquire()
+ output = None
+ if category in self.output:
+ output = self.output[category]
+ if clear:
+ del self.output[category]
+ elif timeout != 0.0:
+ self.output_condition.wait(timeout)
+ if category in self.output:
+ output = self.output[category]
+ if clear:
+ del self.output[category]
+ self.output_condition.release()
+ return output
+
+ def handle_recv_packet(self, packet):
+ '''Called by the read thread that is waiting for all incoming packets
+ to store the incoming packet in "self.recv_packets" in a thread safe
+ way. This function will then signal the "self.recv_condition" to
+ indicate a new packet is available. Returns True if the caller
+ should keep calling this function for more packets.
+ '''
+ # Check the packet to see if is an event packet
+ keepGoing = True
+ packet_type = packet['type']
+ if packet_type == 'event':
+ event = packet['event']
+ body = None
+ if 'body' in packet:
+ body = packet['body']
+ # Handle the event packet and cache information from these packets
+ # as they come in
+ if event == 'output':
+ # Store any output we receive so clients can retrieve it later.
+ category = body['category']
+ output = body['output']
+ self.output_condition.acquire()
+ if category in self.output:
+ self.output[category] += output
+ else:
+ self.output[category] = output
+ self.output_condition.notify()
+ self.output_condition.release()
+ # no need to add 'output' packets to our packets list
+ return keepGoing
+ elif event == 'process':
+ # When a new process is attached or launched, remember the
+ # details that are available in the body of the event
+ self.process_event_body = body
+ elif event == 'stopped':
+ # Each thread that stops with a reason will send a
+ # 'stopped' event. We need to remember the thread stop
+ # reasons since the 'threads' command doesn't return
+ # that information.
+ self._process_stopped()
+ tid = body['threadId']
+ self.thread_stop_reasons[tid] = body
+ elif packet_type == 'response':
+ if packet['command'] == 'disconnect':
+ keepGoing = False
+ self.recv_condition.acquire()
+ self.recv_packets.append(packet)
+ self.recv_condition.notify()
+ self.recv_condition.release()
+ return keepGoing
+
+ def send_packet(self, command_dict, set_sequence=True):
+ '''Take the "command_dict" python dictionary and encode it as a JSON
+ string and send the contents as a packet to the VSCode debug
+ adaptor'''
+ # Set the sequence ID for this command automatically
+ if set_sequence:
+ command_dict['seq'] = self.sequence
+ self.sequence += 1
+ # Encode our command dictionary as a JSON string
+ json_str = json.dumps(command_dict, separators=(',', ':'))
+ if self.trace_file:
+ self.trace_file.write('to adaptor:\n%s\n' % (json_str))
+ length = len(json_str)
+ if length > 0:
+ # Send the encoded JSON packet and flush the 'send' file
+ self.send.write(self.encode_content(json_str))
+ self.send.flush()
+
+ def recv_packet(self, filter_type=None, filter_event=None, timeout=None):
+ '''Get a JSON packet from the VSCode debug adaptor. This function
+ assumes a thread that reads packets is running and will deliver
+ any received packets by calling handle_recv_packet(...). This
+ function will wait for the packet to arrive and return it when
+ it does.'''
+ while True:
+ self.recv_condition.acquire()
+ packet = None
+ while True:
+ for (i, curr_packet) in enumerate(self.recv_packets):
+ packet_type = curr_packet['type']
+ if filter_type is None or packet_type in filter_type:
+ if (filter_event is None or
+ (packet_type == 'event' and
+ curr_packet['event'] in filter_event)):
+ packet = self.recv_packets.pop(i)
+ break
+ if packet:
+ break
+ # Sleep until packet is received
+ len_before = len(self.recv_packets)
+ self.recv_condition.wait(timeout)
+ len_after = len(self.recv_packets)
+ if len_before == len_after:
+ return None # Timed out
+ self.recv_condition.release()
+ return packet
+
+ return None
+
+ def send_recv(self, command):
+ '''Send a command python dictionary as JSON and receive the JSON
+ response. Validates that the response is the correct sequence and
+ command in the reply. Any events that are received are added to the
+ events list in this object'''
+ self.send_packet(command)
+ done = False
+ while not done:
+ response = self.recv_packet(filter_type='response')
+ if response is None:
+ desc = 'no response for "%s"' % (command['command'])
+ raise ValueError(desc)
+ self.validate_response(command, response)
+ return response
+ return None
+
+ def wait_for_event(self, filter=None, timeout=None):
+ while True:
+ return self.recv_packet(filter_type='event', filter_event=filter,
+ timeout=timeout)
+ return None
+
+ def wait_for_stopped(self, timeout=None):
+ stopped_events = []
+ stopped_event = self.wait_for_event(filter=['stopped', 'exited'],
+ timeout=timeout)
+ exited = False
+ while stopped_event:
+ stopped_events.append(stopped_event)
+ # If we exited, then we are done
+ if stopped_event['event'] == 'exited':
+ self.exit_status = stopped_event['body']['exitCode']
+ exited = True
+ break
+ # Otherwise we stopped and there might be one or more 'stopped'
+ # events for each thread that stopped with a reason, so keep
+ # checking for more 'stopped' events and return all of them
+ stopped_event = self.wait_for_event(filter='stopped', timeout=0.25)
+ if exited:
+ self.threads = []
+ return stopped_events
+
+ def wait_for_exited(self):
+ event_dict = self.wait_for_event('exited')
+ if event_dict is None:
+ raise ValueError("didn't get stopped event")
+ return event_dict
+
+ def get_initialize_value(self, key):
+ '''Get a value for the given key if it there is a key/value pair in
+ the "initialize" request response body.
+ '''
+ if self.initialize_body and key in self.initialize_body:
+ return self.initialize_body[key]
+ return None
+
+ def get_threads(self):
+ if self.threads is None:
+ self.request_threads()
+ return self.threads
+
+ def get_thread_id(self, threadIndex=0):
+ '''Utility function to get the first thread ID in the thread list.
+ If the thread list is empty, then fetch the threads.
+ '''
+ if self.threads is None:
+ self.request_threads()
+ if self.threads and threadIndex < len(self.threads):
+ return self.threads[threadIndex]['id']
+ return None
+
+ def get_stackFrame(self, frameIndex=0, threadId=None):
+ '''Get a single "StackFrame" object from a "stackTrace" request and
+ return the "StackFrame as a python dictionary, or None on failure
+ '''
+ if threadId is None:
+ threadId = self.get_thread_id()
+ if threadId is None:
+ print('invalid threadId')
+ return None
+ response = self.request_stackTrace(threadId, startFrame=frameIndex,
+ levels=1)
+ if response:
+ return response['body']['stackFrames'][0]
+ print('invalid response')
+ return None
+
+ def get_scope_variables(self, scope_name, frameIndex=0, threadId=None):
+ stackFrame = self.get_stackFrame(frameIndex=frameIndex,
+ threadId=threadId)
+ if stackFrame is None:
+ return []
+ frameId = stackFrame['id']
+ if frameId in self.frame_scopes:
+ frame_scopes = self.frame_scopes[frameId]
+ else:
+ scopes_response = self.request_scopes(frameId)
+ frame_scopes = scopes_response['body']['scopes']
+ self.frame_scopes[frameId] = frame_scopes
+ for scope in frame_scopes:
+ if scope['name'] == scope_name:
+ varRef = scope['variablesReference']
+ variables_response = self.request_variables(varRef)
+ if variables_response:
+ if 'body' in variables_response:
+ body = variables_response['body']
+ if 'variables' in body:
+ vars = body['variables']
+ return vars
+ return []
+
+ def get_global_variables(self, frameIndex=0, threadId=None):
+ return self.get_scope_variables('Globals', frameIndex=frameIndex,
+ threadId=threadId)
+
+ def get_local_variables(self, frameIndex=0, threadId=None):
+ return self.get_scope_variables('Locals', frameIndex=frameIndex,
+ threadId=threadId)
+
+ def get_local_variable(self, name, frameIndex=0, threadId=None):
+ locals = self.get_local_variables(frameIndex=frameIndex,
+ threadId=threadId)
+ for local in locals:
+ if 'name' in local and local['name'] == name:
+ return local
+ return None
+
+ def get_local_variable_value(self, name, frameIndex=0, threadId=None):
+ variable = self.get_local_variable(name, frameIndex=frameIndex,
+ threadId=threadId)
+ if variable and 'value' in variable:
+ return variable['value']
+ return None
+
+ def replay_packets(self, replay_file_path):
+ f = open(replay_file_path, 'r')
+ mode = 'invalid'
+ set_sequence = False
+ command_dict = None
+ while mode != 'eof':
+ if mode == 'invalid':
+ line = f.readline()
+ if line.startswith('to adapter:'):
+ mode = 'send'
+ elif line.startswith('from adapter:'):
+ mode = 'recv'
+ elif mode == 'send':
+ command_dict = read_packet(f)
+ # Skip the end of line that follows the JSON
+ f.readline()
+ if command_dict is None:
+ raise ValueError('decode packet failed from replay file')
+ print('Sending:')
+ pprint.PrettyPrinter(indent=2).pprint(command_dict)
+ # raw_input('Press ENTER to send:')
+ self.send_packet(command_dict, set_sequence)
+ mode = 'invalid'
+ elif mode == 'recv':
+ print('Replay response:')
+ replay_response = read_packet(f)
+ # Skip the end of line that follows the JSON
+ f.readline()
+ pprint.PrettyPrinter(indent=2).pprint(replay_response)
+ actual_response = self.recv_packet()
+ if actual_response:
+ type = actual_response['type']
+ print('Actual response:')
+ if type == 'response':
+ self.validate_response(command_dict, actual_response)
+ pprint.PrettyPrinter(indent=2).pprint(actual_response)
+ else:
+ print("error: didn't get a valid response")
+ mode = 'invalid'
+
+ def request_attach(self, program=None, pid=None, waitFor=None, trace=None,
+ initCommands=None, preRunCommands=None,
+ stopCommands=None, exitCommands=None,
+ attachCommands=None):
+ args_dict = {}
+ if pid is not None:
+ args_dict['pid'] = pid
+ if program is not None:
+ args_dict['program'] = program
+ if waitFor is not None:
+ args_dict['waitFor'] = waitFor
+ if trace:
+ args_dict['trace'] = trace
+ if initCommands:
+ args_dict['initCommands'] = initCommands
+ if preRunCommands:
+ args_dict['preRunCommands'] = preRunCommands
+ if stopCommands:
+ args_dict['stopCommands'] = stopCommands
+ if exitCommands:
+ args_dict['exitCommands'] = exitCommands
+ if attachCommands:
+ args_dict['attachCommands'] = attachCommands
+ command_dict = {
+ 'command': 'attach',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_configurationDone(self):
+ command_dict = {
+ 'command': 'configurationDone',
+ 'type': 'request',
+ 'arguments': {}
+ }
+ response = self.send_recv(command_dict)
+ if response:
+ self.configuration_done_sent = True
+ return response
+
+ def _process_stopped(self):
+ self.threads = None
+ self.frame_scopes = {}
+
+ def request_continue(self, threadId=None):
+ if self.exit_status is not None:
+ raise ValueError('request_continue called after process exited')
+ # If we have launched or attached, then the first continue is done by
+ # sending the 'configurationDone' request
+ if not self.configuration_done_sent:
+ return self.request_configurationDone()
+ args_dict = {}
+ if threadId is None:
+ threadId = self.get_thread_id()
+ args_dict['threadId'] = threadId
+ command_dict = {
+ 'command': 'continue',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ response = self.send_recv(command_dict)
+ recv_packets = []
+ self.recv_condition.acquire()
+ for event in self.recv_packets:
+ if event['event'] != 'stopped':
+ recv_packets.append(event)
+ self.recv_packets = recv_packets
+ self.recv_condition.release()
+ return response
+
+ def request_disconnect(self, terminateDebuggee=None):
+ args_dict = {}
+ if terminateDebuggee is not None:
+ if terminateDebuggee:
+ args_dict['terminateDebuggee'] = True
+ else:
+ args_dict['terminateDebuggee'] = False
+ command_dict = {
+ 'command': 'disconnect',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_evaluate(self, expression, frameIndex=0, threadId=None):
+ stackFrame = self.get_stackFrame(frameIndex=frameIndex,
+ threadId=threadId)
+ if stackFrame is None:
+ return []
+ args_dict = {
+ 'expression': expression,
+ 'frameId': stackFrame['id'],
+ }
+ command_dict = {
+ 'command': 'evaluate',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_initialize(self):
+ command_dict = {
+ 'command': 'initialize',
+ 'type': 'request',
+ 'arguments': {
+ 'adapterID': 'lldb-native',
+ 'clientID': 'vscode',
+ 'columnsStartAt1': True,
+ 'linesStartAt1': True,
+ 'locale': 'en-us',
+ 'pathFormat': 'path',
+ 'supportsRunInTerminalRequest': True,
+ 'supportsVariablePaging': True,
+ 'supportsVariableType': True
+ }
+ }
+ response = self.send_recv(command_dict)
+ if response:
+ if 'body' in response:
+ self.initialize_body = response['body']
+ return response
+
+ def request_launch(self, program, args=None, cwd=None, env=None,
+ stopOnEntry=False, disableASLR=True,
+ disableSTDIO=False, shellExpandArguments=False,
+ trace=False, initCommands=None, preRunCommands=None,
+ stopCommands=None, exitCommands=None, sourcePath=None,
+ debuggerRoot=None):
+ args_dict = {
+ 'program': program
+ }
+ if args:
+ args_dict['args'] = args
+ if cwd:
+ args_dict['cwd'] = cwd
+ if env:
+ args_dict['env'] = env
+ if stopOnEntry:
+ args_dict['stopOnEntry'] = stopOnEntry
+ if disableASLR:
+ args_dict['disableASLR'] = disableASLR
+ if disableSTDIO:
+ args_dict['disableSTDIO'] = disableSTDIO
+ if shellExpandArguments:
+ args_dict['shellExpandArguments'] = shellExpandArguments
+ if trace:
+ args_dict['trace'] = trace
+ if initCommands:
+ args_dict['initCommands'] = initCommands
+ if preRunCommands:
+ args_dict['preRunCommands'] = preRunCommands
+ if stopCommands:
+ args_dict['stopCommands'] = stopCommands
+ if exitCommands:
+ args_dict['exitCommands'] = exitCommands
+ if sourcePath:
+ args_dict['sourcePath'] = sourcePath
+ if debuggerRoot:
+ args_dict['debuggerRoot'] = debuggerRoot
+ command_dict = {
+ 'command': 'launch',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ response = self.send_recv(command_dict)
+
+ # Wait for a 'process' and 'initialized' event in any order
+ self.wait_for_event(filter=['process', 'initialized'])
+ self.wait_for_event(filter=['process', 'initialized'])
+ return response
+
+ def request_next(self, threadId):
+ if self.exit_status is not None:
+ raise ValueError('request_continue called after process exited')
+ args_dict = {'threadId': threadId}
+ command_dict = {
+ 'command': 'next',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_stepIn(self, threadId):
+ if self.exit_status is not None:
+ raise ValueError('request_continue called after process exited')
+ args_dict = {'threadId': threadId}
+ command_dict = {
+ 'command': 'stepIn',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_stepOut(self, threadId):
+ if self.exit_status is not None:
+ raise ValueError('request_continue called after process exited')
+ args_dict = {'threadId': threadId}
+ command_dict = {
+ 'command': 'stepOut',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_pause(self, threadId=None):
+ if self.exit_status is not None:
+ raise ValueError('request_continue called after process exited')
+ if threadId is None:
+ threadId = self.get_thread_id()
+ args_dict = {'threadId': threadId}
+ command_dict = {
+ 'command': 'pause',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_scopes(self, frameId):
+ args_dict = {'frameId': frameId}
+ command_dict = {
+ 'command': 'scopes',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_setBreakpoints(self, file_path, line_array, condition=None,
+ hitCondition=None):
+ (dir, base) = os.path.split(file_path)
+ breakpoints = []
+ for line in line_array:
+ bp = {'line': line}
+ if condition is not None:
+ bp['condition'] = condition
+ if hitCondition is not None:
+ bp['hitCondition'] = hitCondition
+ breakpoints.append(bp)
+ source_dict = {
+ 'name': base,
+ 'path': file_path
+ }
+ args_dict = {
+ 'source': source_dict,
+ 'breakpoints': breakpoints,
+ 'lines': '%s' % (line_array),
+ 'sourceModified': False,
+ }
+ command_dict = {
+ 'command': 'setBreakpoints',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_setExceptionBreakpoints(self, filters):
+ args_dict = {'filters': filters}
+ command_dict = {
+ 'command': 'setExceptionBreakpoints',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_setFunctionBreakpoints(self, names, condition=None,
+ hitCondition=None):
+ breakpoints = []
+ for name in names:
+ bp = {'name': name}
+ if condition is not None:
+ bp['condition'] = condition
+ if hitCondition is not None:
+ bp['hitCondition'] = hitCondition
+ breakpoints.append(bp)
+ args_dict = {'breakpoints': breakpoints}
+ command_dict = {
+ 'command': 'setFunctionBreakpoints',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_stackTrace(self, threadId=None, startFrame=None, levels=None,
+ dump=False):
+ if threadId is None:
+ threadId = self.get_thread_id()
+ args_dict = {'threadId': threadId}
+ if startFrame is not None:
+ args_dict['startFrame'] = startFrame
+ if levels is not None:
+ args_dict['levels'] = levels
+ command_dict = {
+ 'command': 'stackTrace',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ response = self.send_recv(command_dict)
+ if dump:
+ for (idx, frame) in enumerate(response['body']['stackFrames']):
+ name = frame['name']
+ if 'line' in frame and 'source' in frame:
+ source = frame['source']
+ if 'sourceReference' not in source:
+ if 'name' in source:
+ source_name = source['name']
+ line = frame['line']
+ print("[%3u] %s @ %s:%u" % (idx, name, source_name,
+ line))
+ continue
+ print("[%3u] %s" % (idx, name))
+ return response
+
+ def request_threads(self):
+ '''Request a list of all threads and combine any information from any
+ "stopped" events since those contain more information about why a
+ thread actually stopped. Returns an array of thread dictionaries
+ with information about all threads'''
+ command_dict = {
+ 'command': 'threads',
+ 'type': 'request',
+ 'arguments': {}
+ }
+ response = self.send_recv(command_dict)
+ body = response['body']
+ # Fill in "self.threads" correctly so that clients that call
+ # self.get_threads() or self.get_thread_id(...) can get information
+ # on threads when the process is stopped.
+ if 'threads' in body:
+ self.threads = body['threads']
+ for thread in self.threads:
+ # Copy the thread dictionary so we can add key/value pairs to
+ # it without affecfting the original info from the "threads"
+ # command.
+ tid = thread['id']
+ if tid in self.thread_stop_reasons:
+ thread_stop_info = self.thread_stop_reasons[tid]
+ copy_keys = ['reason', 'description', 'text']
+ for key in copy_keys:
+ if key in thread_stop_info:
+ thread[key] = thread_stop_info[key]
+ else:
+ self.threads = None
+ return response
+
+ def request_variables(self, variablesReference, start=None, count=None):
+ args_dict = {'variablesReference': variablesReference}
+ if start is not None:
+ args_dict['start'] = start
+ if count is not None:
+ args_dict['count'] = count
+ command_dict = {
+ 'command': 'variables',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_setVariable(self, containingVarRef, name, value, id=None):
+ args_dict = {
+ 'variablesReference': containingVarRef,
+ 'name': name,
+ 'value': str(value)
+ }
+ if id is not None:
+ args_dict['id'] = id
+ command_dict = {
+ 'command': 'setVariable',
+ 'type': 'request',
+ 'arguments': args_dict
+ }
+ return self.send_recv(command_dict)
+
+ def request_testGetTargetBreakpoints(self):
+ '''A request packet used in the LLDB test suite to get all currently
+ set breakpoint infos for all breakpoints currently set in the
+ target.
+ '''
+ command_dict = {
+ 'command': '_testGetTargetBreakpoints',
+ 'type': 'request',
+ 'arguments': {}
+ }
+ return self.send_recv(command_dict)
+
+ def terminate(self):
+ self.send.close()
+ # self.recv.close()
+
+
+class DebugAdaptor(DebugCommunication):
+ def __init__(self, executable=None, port=None):
+ self.process = None
+ if executable is not None:
+ self.process = subprocess.Popen([executable],
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ DebugCommunication.__init__(self, self.process.stdout,
+ self.process.stdin)
+ elif port is not None:
+ s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ s.connect(('127.0.0.1', port))
+ DebugCommunication.__init__(self, s.makefile('r'), s.makefile('w'))
+
+ def get_pid(self):
+ if self.process:
+ return self.process.pid
+ return -1
+
+ def terminate(self):
+ super(DebugAdaptor, self).terminate()
+ if self.process is not None:
+ self.process.terminate()
+ self.process.wait()
+ self.process = None
+
+
+def attach_options_specified(options):
+ if options.pid is not None:
+ return True
+ if options.waitFor:
+ return True
+ if options.attach:
+ return True
+ if options.attachCmds:
+ return True
+ return False
+
+
+def run_vscode(dbg, args, options):
+ dbg.request_initialize()
+ if attach_options_specified(options):
+ response = dbg.request_attach(program=options.program,
+ pid=options.pid,
+ waitFor=options.waitFor,
+ attachCommands=options.attachCmds,
+ initCommands=options.initCmds,
+ preRunCommands=options.preRunCmds,
+ stopCommands=options.stopCmds,
+ exitCommands=options.exitCmds)
+ else:
+ response = dbg.request_launch(options.program,
+ args=args,
+ env=options.envs,
+ cwd=options.workingDir,
+ debuggerRoot=options.debuggerRoot,
+ sourcePath=options.sourcePath,
+ initCommands=options.initCmds,
+ preRunCommands=options.preRunCmds,
+ stopCommands=options.stopCmds,
+ exitCommands=options.exitCmds)
+
+ if response['success']:
+ if options.sourceBreakpoints:
+ source_to_lines = {}
+ for file_line in options.sourceBreakpoints:
+ (path, line) = file_line.split(':')
+ if len(path) == 0 or len(line) == 0:
+ print('error: invalid source with line "%s"' %
+ (file_line))
+
+ else:
+ if path in source_to_lines:
+ source_to_lines[path].append(int(line))
+ else:
+ source_to_lines[path] = [int(line)]
+ for source in source_to_lines:
+ dbg.request_setBreakpoints(source, source_to_lines[source])
+ if options.funcBreakpoints:
+ dbg.request_setFunctionBreakpoints(options.funcBreakpoints)
+ dbg.request_configurationDone()
+ dbg.wait_for_stopped()
+ else:
+ if 'message' in response:
+ print(response['message'])
+ dbg.request_disconnect(terminateDebuggee=True)
+
+
+def main():
+ parser = optparse.OptionParser(
+ description=('A testing framework for the Visual Studio Code Debug '
+ 'Adaptor protocol'))
+
+ parser.add_option(
+ '--vscode',
+ type='string',
+ dest='vscode_path',
+ help=('The path to the a command line program that implements the '
+ 'Visual Studio Code Debug Adaptor protocol.'),
+ default=None)
+
+ parser.add_option(
+ '--program',
+ type='string',
+ dest='program',
+ help='The path to the program to debug.',
+ default=None)
+
+ parser.add_option(
+ '--workingDir',
+ type='string',
+ dest='workingDir',
+ default=None,
+ help='Set the working directory for the process we launch.')
+
+ parser.add_option(
+ '--sourcePath',
+ type='string',
+ dest='sourcePath',
+ default=None,
+ help=('Set the relative source root for any debug info that has '
+ 'relative paths in it.'))
+
+ parser.add_option(
+ '--debuggerRoot',
+ type='string',
+ dest='debuggerRoot',
+ default=None,
+ help=('Set the working directory for lldb-vscode for any object files '
+ 'with relative paths in the Mach-o debug map.'))
+
+ parser.add_option(
+ '-r', '--replay',
+ type='string',
+ dest='replay',
+ help=('Specify a file containing a packet log to replay with the '
+ 'current Visual Studio Code Debug Adaptor executable.'),
+ default=None)
+
+ parser.add_option(
+ '-g', '--debug',
+ action='store_true',
+ dest='debug',
+ default=False,
+ help='Pause waiting for a debugger to attach to the debug adaptor')
+
+ parser.add_option(
+ '--port',
+ type='int',
+ dest='port',
+ help="Attach a socket to a port instead of using STDIN for VSCode",
+ default=None)
+
+ parser.add_option(
+ '--pid',
+ type='int',
+ dest='pid',
+ help="The process ID to attach to",
+ default=None)
+
+ parser.add_option(
+ '--attach',
+ action='store_true',
+ dest='attach',
+ default=False,
+ help=('Specify this option to attach to a process by name. The '
+ 'process name is the basanme of the executable specified with '
+ 'the --program option.'))
+
+ parser.add_option(
+ '-f', '--function-bp',
+ type='string',
+ action='append',
+ dest='funcBreakpoints',
+ help=('Specify the name of a function to break at. '
+ 'Can be specified more than once.'),
+ default=[])
+
+ parser.add_option(
+ '-s', '--source-bp',
+ type='string',
+ action='append',
+ dest='sourceBreakpoints',
+ default=[],
+ help=('Specify source breakpoints to set in the format of '
+ '<source>:<line>. '
+ 'Can be specified more than once.'))
+
+ parser.add_option(
+ '--attachCommand',
+ type='string',
+ action='append',
+ dest='attachCmds',
+ default=[],
+ help=('Specify a LLDB command that will attach to a process. '
+ 'Can be specified more than once.'))
+
+ parser.add_option(
+ '--initCommand',
+ type='string',
+ action='append',
+ dest='initCmds',
+ default=[],
+ help=('Specify a LLDB command that will be executed before the target '
+ 'is created. Can be specified more than once.'))
+
+ parser.add_option(
+ '--preRunCommand',
+ type='string',
+ action='append',
+ dest='preRunCmds',
+ default=[],
+ help=('Specify a LLDB command that will be executed after the target '
+ 'has been created. Can be specified more than once.'))
+
+ parser.add_option(
+ '--stopCommand',
+ type='string',
+ action='append',
+ dest='stopCmds',
+ default=[],
+ help=('Specify a LLDB command that will be executed each time the'
+ 'process stops. Can be specified more than once.'))
+
+ parser.add_option(
+ '--exitCommand',
+ type='string',
+ action='append',
+ dest='exitCmds',
+ default=[],
+ help=('Specify a LLDB command that will be executed when the process '
+ 'exits. Can be specified more than once.'))
+
+ parser.add_option(
+ '--env',
+ type='string',
+ action='append',
+ dest='envs',
+ default=[],
+ help=('Specify environment variables to pass to the launched '
+ 'process.'))
+
+ parser.add_option(
+ '--waitFor',
+ action='store_true',
+ dest='waitFor',
+ default=False,
+ help=('Wait for the next process to be launched whose name matches '
+ 'the basename of the program specified with the --program '
+ 'option'))
+
+ (options, args) = parser.parse_args(sys.argv[1:])
+
+ if options.vscode_path is None and options.port is None:
+ print('error: must either specify a path to a Visual Studio Code '
+ 'Debug Adaptor vscode executable path using the --vscode '
+ 'option, or a port to attach to for an existing lldb-vscode '
+ 'using the --port option')
+ return
+ dbg = DebugAdaptor(executable=options.vscode_path, port=options.port)
+ if options.debug:
+ raw_input('Waiting for debugger to attach pid "%i"' % (
+ dbg.get_pid()))
+ if options.replay:
+ dbg.replay_packets(options.replay)
+ else:
+ run_vscode(dbg, args, options)
+ dbg.terminate()
+
+
+if __name__ == '__main__':
+ main()
add_subdirectory(argdumper)
add_subdirectory(driver)
add_subdirectory(lldb-mi)
+add_subdirectory(lldb-vscode)
if (LLDB_CAN_USE_LLDB_SERVER)
add_subdirectory(lldb-server)
endif()
--- /dev/null
+//===-- BreakpointBase.cpp --------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "BreakpointBase.h"
+#include "llvm/ADT/StringExtras.h"
+
+using namespace lldb_vscode;
+
+BreakpointBase::BreakpointBase(const llvm::json::Object &obj)
+ : condition(GetString(obj, "condition")),
+ hitCondition(GetString(obj, "hitCondition")),
+ logMessage(GetString(obj, "logMessage")) {}
+
+void BreakpointBase::SetCondition() { bp.SetCondition(condition.c_str()); }
+
+void BreakpointBase::SetHitCondition() {
+ uint64_t hitCount = 0;
+ if (llvm::to_integer(hitCondition, hitCount))
+ bp.SetIgnoreCount(hitCount - 1);
+}
+
+void BreakpointBase::UpdateBreakpoint(const BreakpointBase &request_bp) {
+ if (condition != request_bp.condition) {
+ condition = request_bp.condition;
+ SetCondition();
+ }
+ if (hitCondition != request_bp.hitCondition) {
+ hitCondition = request_bp.hitCondition;
+ SetHitCondition();
+ }
+}
--- /dev/null
+//===-- BreakpointBase.h ----------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_BREAKPOINTBASE_H_
+#define LLDBVSCODE_BREAKPOINTBASE_H_
+
+#include "JSONUtils.h"
+#include "lldb/API/SBBreakpoint.h"
+#include "llvm/Support/JSON.h"
+#include <string>
+
+namespace lldb_vscode {
+
+struct BreakpointBase {
+
+ // An optional expression for conditional breakpoints.
+ std::string condition;
+ // An optional expression that controls how many hits of the breakpoint are
+ // ignored. The backend is expected to interpret the expression as needed
+ std::string hitCondition;
+ // If this attribute exists and is non-empty, the backend must not 'break'
+ // (stop) but log the message instead. Expressions within {} are
+ // interpolated.
+ std::string logMessage;
+ // The LLDB breakpoint associated wit this source breakpoint
+ lldb::SBBreakpoint bp;
+
+ BreakpointBase() = default;
+ BreakpointBase(const llvm::json::Object &obj);
+
+ void SetCondition();
+ void SetHitCondition();
+ void UpdateBreakpoint(const BreakpointBase &request_bp);
+};
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+if ( CMAKE_SYSTEM_NAME MATCHES "Windows" OR CMAKE_SYSTEM_NAME MATCHES "NetBSD" )
+ add_definitions( -DIMPORT_LIBLLDB )
+ list(APPEND extra_libs lldbHost)
+endif ()
+
+if (HAVE_LIBPTHREAD)
+ list(APPEND extra_libs pthread)
+endif ()
+
+# We need to include the llvm components we depend on manually, as liblldb does
+# not re-export those.
+set(LLVM_LINK_COMPONENTS Support)
+add_lldb_tool(lldb-vscode
+ lldb-vscode.cpp
+ BreakpointBase.cpp
+ ExceptionBreakpoint.cpp
+ FunctionBreakpoint.cpp
+ JSONUtils.cpp
+ LLDBUtils.cpp
+ SourceBreakpoint.cpp
+ VSCode.cpp
+
+ LINK_LIBS
+ liblldb
+ ${host_lib}
+ ${extra_libs}
+
+ LINK_COMPONENTS
+ Support
+ )
--- /dev/null
+//===-- ExceptionBreakpoint.cpp ---------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ExceptionBreakpoint.h"
+#include "VSCode.h"
+
+namespace lldb_vscode {
+
+void ExceptionBreakpoint::SetBreakpoint() {
+ if (bp.IsValid())
+ return;
+ bool catch_value = filter.find("_catch") != std::string::npos;
+ bool throw_value = filter.find("_throw") != std::string::npos;
+ bp = g_vsc.target.BreakpointCreateForException(language, catch_value,
+ throw_value);
+}
+
+void ExceptionBreakpoint::ClearBreakpoint() {
+ if (!bp.IsValid())
+ return;
+ g_vsc.target.BreakpointDelete(bp.GetID());
+ bp = lldb::SBBreakpoint();
+}
+
+} // namespace lldb_vscode
+
--- /dev/null
+//===-- ExceptionBreakpoint.h -----------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_EXCEPTIONBREAKPOINT_H_
+#define LLDBVSCODE_EXCEPTIONBREAKPOINT_H_
+
+#include <string>
+
+#include "lldb/API/SBBreakpoint.h"
+
+namespace lldb_vscode {
+
+struct ExceptionBreakpoint {
+ std::string filter;
+ std::string label;
+ lldb::LanguageType language;
+ bool default_value;
+ lldb::SBBreakpoint bp;
+ ExceptionBreakpoint(std::string f, std::string l, lldb::LanguageType lang) :
+ filter(std::move(f)),
+ label(std::move(l)),
+ language(lang),
+ default_value(false),
+ bp() {}
+
+ void SetBreakpoint();
+ void ClearBreakpoint();
+};
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+//===-- FunctionBreakpoint.cpp ----------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "FunctionBreakpoint.h"
+#include "VSCode.h"
+
+namespace lldb_vscode {
+
+FunctionBreakpoint::FunctionBreakpoint(const llvm::json::Object &obj)
+ : BreakpointBase(obj), functionName(GetString(obj, "name")) {}
+
+void FunctionBreakpoint::SetBreakpoint() {
+ if (functionName.empty())
+ return;
+ bp = g_vsc.target.BreakpointCreateByName(functionName.c_str());
+ if (!condition.empty())
+ SetCondition();
+ if (!hitCondition.empty())
+ SetHitCondition();
+}
+
+}
--- /dev/null
+//===-- FunctionBreakpoint.h ------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_FUNCTIONBREAKPOINT_H_
+#define LLDBVSCODE_FUNCTIONBREAKPOINT_H_
+
+#include "BreakpointBase.h"
+
+namespace lldb_vscode {
+
+struct FunctionBreakpoint : public BreakpointBase {
+ std::string functionName;
+
+ FunctionBreakpoint() = default;
+ FunctionBreakpoint(const llvm::json::Object &obj);
+
+ // Set this breakpoint in LLDB as a new breakpoint
+ void SetBreakpoint();
+};
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+//===-- JSONUtils.cpp -------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/FormatAdapters.h"
+
+#include "lldb/API/SBBreakpoint.h"
+#include "lldb/API/SBBreakpointLocation.h"
+#include "lldb/API/SBValue.h"
+
+#include "ExceptionBreakpoint.h"
+#include "JSONUtils.h"
+#include "LLDBUtils.h"
+#include "VSCode.h"
+
+namespace lldb_vscode {
+
+llvm::StringRef GetAsString(const llvm::json::Value &value) {
+ if (auto s = value.getAsString())
+ return *s;
+ return llvm::StringRef();
+}
+
+// Gets a string from a JSON object using the key, or returns an empty string.
+llvm::StringRef GetString(const llvm::json::Object &obj, llvm::StringRef key) {
+ if (auto value = obj.getString(key))
+ return GetAsString(*value);
+ return llvm::StringRef();
+}
+
+llvm::StringRef GetString(const llvm::json::Object *obj, llvm::StringRef key) {
+ if (obj == nullptr)
+ return llvm::StringRef();
+ return GetString(*obj, key);
+}
+
+// Gets an unsigned integer from a JSON object using the key, or returns the
+// specified fail value.
+uint64_t GetUnsigned(const llvm::json::Object &obj, llvm::StringRef key,
+ uint64_t fail_value) {
+ if (auto value = obj.getInteger(key))
+ return (uint64_t)*value;
+ return fail_value;
+}
+
+uint64_t GetUnsigned(const llvm::json::Object *obj, llvm::StringRef key,
+ uint64_t fail_value) {
+ if (obj == nullptr)
+ return fail_value;
+ return GetUnsigned(*obj, key, fail_value);
+}
+
+bool GetBoolean(const llvm::json::Object &obj, llvm::StringRef key,
+ bool fail_value) {
+ if (auto value = obj.getBoolean(key))
+ return *value;
+ if (auto value = obj.getInteger(key))
+ return *value != 0;
+ return fail_value;
+}
+
+bool GetBoolean(const llvm::json::Object *obj, llvm::StringRef key,
+ bool fail_value) {
+ if (obj == nullptr)
+ return fail_value;
+ return GetBoolean(*obj, key, fail_value);
+}
+
+int64_t GetSigned(const llvm::json::Object &obj, llvm::StringRef key,
+ int64_t fail_value) {
+ if (auto value = obj.getInteger(key))
+ return *value;
+ return fail_value;
+}
+
+int64_t GetSigned(const llvm::json::Object *obj, llvm::StringRef key,
+ int64_t fail_value) {
+ if (obj == nullptr)
+ return fail_value;
+ return GetSigned(*obj, key, fail_value);
+}
+
+bool ObjectContainsKey(const llvm::json::Object &obj, llvm::StringRef key) {
+ if (obj.find(key) != obj.end())
+ return true;
+ return false;
+}
+
+std::vector<std::string> GetStrings(const llvm::json::Object *obj,
+ llvm::StringRef key) {
+ std::vector<std::string> strs;
+ auto json_array = obj->getArray(key);
+ if (!json_array)
+ return strs;
+ for (const auto &value : *json_array) {
+ switch (value.kind()) {
+ case llvm::json::Value::String:
+ strs.push_back(value.getAsString()->str());
+ break;
+ case llvm::json::Value::Number:
+ case llvm::json::Value::Boolean: {
+ std::string s;
+ llvm::raw_string_ostream strm(s);
+ strm << value;
+ strs.push_back(strm.str());
+ break;
+ }
+ case llvm::json::Value::Null:
+ case llvm::json::Value::Object:
+ case llvm::json::Value::Array:
+ break;
+ }
+ }
+ return strs;
+}
+
+void SetValueForKey(lldb::SBValue &v, llvm::json::Object &object,
+ llvm::StringRef key) {
+
+ llvm::StringRef value = v.GetValue();
+ llvm::StringRef summary = v.GetSummary();
+ llvm::StringRef type_name = v.GetType().GetDisplayTypeName();
+
+ std::string result;
+ llvm::raw_string_ostream strm(result);
+ if (!value.empty()) {
+ strm << value;
+ if (!summary.empty())
+ strm << ' ' << summary;
+ } else if (!summary.empty()) {
+ strm << ' ' << summary;
+ } else if (!type_name.empty()) {
+ strm << type_name;
+ lldb::addr_t address = v.GetLoadAddress();
+ if (address != LLDB_INVALID_ADDRESS)
+ strm << " @ " << llvm::format_hex(address, 0);
+ }
+ strm.flush();
+ object.try_emplace(key, result);
+}
+
+void FillResponse(const llvm::json::Object &request,
+ llvm::json::Object &response) {
+ // Fill in all of the needed response fields to a "request" and set "success"
+ // to true by default.
+ response.try_emplace("type", "response");
+ response.try_emplace("seq", (int64_t)0);
+ response.try_emplace("command", GetString(request, "command"));
+ const int64_t seq = GetSigned(request, "seq", 0);
+ response.try_emplace("request_seq", seq);
+ response.try_emplace("success", true);
+}
+
+//----------------------------------------------------------------------
+// "Scope": {
+// "type": "object",
+// "description": "A Scope is a named container for variables. Optionally
+// a scope can map to a source or a range within a source.",
+// "properties": {
+// "name": {
+// "type": "string",
+// "description": "Name of the scope such as 'Arguments', 'Locals'."
+// },
+// "variablesReference": {
+// "type": "integer",
+// "description": "The variables of this scope can be retrieved by
+// passing the value of variablesReference to the
+// VariablesRequest."
+// },
+// "namedVariables": {
+// "type": "integer",
+// "description": "The number of named variables in this scope. The
+// client can use this optional information to present
+// the variables in a paged UI and fetch them in chunks."
+// },
+// "indexedVariables": {
+// "type": "integer",
+// "description": "The number of indexed variables in this scope. The
+// client can use this optional information to present
+// the variables in a paged UI and fetch them in chunks."
+// },
+// "expensive": {
+// "type": "boolean",
+// "description": "If true, the number of variables in this scope is
+// large or expensive to retrieve."
+// },
+// "source": {
+// "$ref": "#/definitions/Source",
+// "description": "Optional source for this scope."
+// },
+// "line": {
+// "type": "integer",
+// "description": "Optional start line of the range covered by this
+// scope."
+// },
+// "column": {
+// "type": "integer",
+// "description": "Optional start column of the range covered by this
+// scope."
+// },
+// "endLine": {
+// "type": "integer",
+// "description": "Optional end line of the range covered by this scope."
+// },
+// "endColumn": {
+// "type": "integer",
+// "description": "Optional end column of the range covered by this
+// scope."
+// }
+// },
+// "required": [ "name", "variablesReference", "expensive" ]
+// }
+//----------------------------------------------------------------------
+llvm::json::Value CreateScope(const llvm::StringRef name,
+ int64_t variablesReference,
+ int64_t namedVariables, bool expensive) {
+ llvm::json::Object object;
+ object.try_emplace("name", name.str());
+ object.try_emplace("variablesReference", variablesReference);
+ object.try_emplace("expensive", expensive);
+ object.try_emplace("namedVariables", namedVariables);
+ return llvm::json::Value(std::move(object));
+}
+
+//----------------------------------------------------------------------
+// "Breakpoint": {
+// "type": "object",
+// "description": "Information about a Breakpoint created in setBreakpoints
+// or setFunctionBreakpoints.",
+// "properties": {
+// "id": {
+// "type": "integer",
+// "description": "An optional unique identifier for the breakpoint."
+// },
+// "verified": {
+// "type": "boolean",
+// "description": "If true breakpoint could be set (but not necessarily
+// at the desired location)."
+// },
+// "message": {
+// "type": "string",
+// "description": "An optional message about the state of the breakpoint.
+// This is shown to the user and can be used to explain
+// why a breakpoint could not be verified."
+// },
+// "source": {
+// "$ref": "#/definitions/Source",
+// "description": "The source where the breakpoint is located."
+// },
+// "line": {
+// "type": "integer",
+// "description": "The start line of the actual range covered by the
+// breakpoint."
+// },
+// "column": {
+// "type": "integer",
+// "description": "An optional start column of the actual range covered
+// by the breakpoint."
+// },
+// "endLine": {
+// "type": "integer",
+// "description": "An optional end line of the actual range covered by
+// the breakpoint."
+// },
+// "endColumn": {
+// "type": "integer",
+// "description": "An optional end column of the actual range covered by
+// the breakpoint. If no end line is given, then the end
+// column is assumed to be in the start line."
+// }
+// },
+// "required": [ "verified" ]
+// }
+//----------------------------------------------------------------------
+llvm::json::Value CreateBreakpoint(lldb::SBBreakpointLocation &bp_loc) {
+ // Each breakpoint location is treated as a separate breakpoint for VS code.
+ // They don't have the notion of a single breakpoint with multiple locations.
+ llvm::json::Object object;
+ if (!bp_loc.IsValid())
+ return llvm::json::Value(std::move(object));
+
+ object.try_emplace("verified", true);
+ const auto bp_id = bp_loc.GetBreakpoint().GetID();
+ const auto vs_id = (int64_t)(((int64_t)bp_id << 32) | bp_loc.GetID());
+ object.try_emplace("id", vs_id);
+ auto bp_addr = bp_loc.GetAddress();
+ if (bp_addr.IsValid()) {
+ auto line_entry = bp_addr.GetLineEntry();
+ const auto line = line_entry.GetLine();
+ if (line != UINT32_MAX)
+ object.try_emplace("line", line);
+ object.try_emplace("source", CreateSource(line_entry));
+ }
+ return llvm::json::Value(std::move(object));
+}
+
+void AppendBreakpoint(lldb::SBBreakpoint &bp, llvm::json::Array &breakpoints) {
+ if (!bp.IsValid())
+ return;
+ const auto num_locations = bp.GetNumLocations();
+ if (num_locations == 0)
+ return;
+ for (size_t i = 0; i < num_locations; ++i) {
+ auto bp_loc = bp.GetLocationAtIndex(i);
+ breakpoints.emplace_back(CreateBreakpoint(bp_loc));
+ }
+}
+
+//----------------------------------------------------------------------
+// "Event": {
+// "allOf": [ { "$ref": "#/definitions/ProtocolMessage" }, {
+// "type": "object",
+// "description": "Server-initiated event.",
+// "properties": {
+// "type": {
+// "type": "string",
+// "enum": [ "event" ]
+// },
+// "event": {
+// "type": "string",
+// "description": "Type of event."
+// },
+// "body": {
+// "type": [ "array", "boolean", "integer", "null", "number" ,
+// "object", "string" ],
+// "description": "Event-specific information."
+// }
+// },
+// "required": [ "type", "event" ]
+// }]
+// },
+// "ProtocolMessage": {
+// "type": "object",
+// "description": "Base class of requests, responses, and events.",
+// "properties": {
+// "seq": {
+// "type": "integer",
+// "description": "Sequence number."
+// },
+// "type": {
+// "type": "string",
+// "description": "Message type.",
+// "_enum": [ "request", "response", "event" ]
+// }
+// },
+// "required": [ "seq", "type" ]
+// }
+//----------------------------------------------------------------------
+llvm::json::Object CreateEvent(const llvm::StringRef event_name) {
+ llvm::json::Object event;
+ event.try_emplace("seq", 0);
+ event.try_emplace("type", "event");
+ event.try_emplace("event", event_name);
+ return event;
+}
+
+//----------------------------------------------------------------------
+// "ExceptionBreakpointsFilter": {
+// "type": "object",
+// "description": "An ExceptionBreakpointsFilter is shown in the UI as an
+// option for configuring how exceptions are dealt with.",
+// "properties": {
+// "filter": {
+// "type": "string",
+// "description": "The internal ID of the filter. This value is passed
+// to the setExceptionBreakpoints request."
+// },
+// "label": {
+// "type": "string",
+// "description": "The name of the filter. This will be shown in the UI."
+// },
+// "default": {
+// "type": "boolean",
+// "description": "Initial value of the filter. If not specified a value
+// 'false' is assumed."
+// }
+// },
+// "required": [ "filter", "label" ]
+// }
+//----------------------------------------------------------------------
+llvm::json::Value
+CreateExceptionBreakpointFilter(const ExceptionBreakpoint &bp) {
+ llvm::json::Object object;
+ object.try_emplace("filter", bp.filter);
+ object.try_emplace("label", bp.label);
+ object.try_emplace("default", bp.default_value);
+ return llvm::json::Value(std::move(object));
+}
+
+//----------------------------------------------------------------------
+// "Source": {
+// "type": "object",
+// "description": "A Source is a descriptor for source code. It is returned
+// from the debug adapter as part of a StackFrame and it is
+// used by clients when specifying breakpoints.",
+// "properties": {
+// "name": {
+// "type": "string",
+// "description": "The short name of the source. Every source returned
+// from the debug adapter has a name. When sending a
+// source to the debug adapter this name is optional."
+// },
+// "path": {
+// "type": "string",
+// "description": "The path of the source to be shown in the UI. It is
+// only used to locate and load the content of the
+// source if no sourceReference is specified (or its
+// value is 0)."
+// },
+// "sourceReference": {
+// "type": "number",
+// "description": "If sourceReference > 0 the contents of the source must
+// be retrieved through the SourceRequest (even if a path
+// is specified). A sourceReference is only valid for a
+// session, so it must not be used to persist a source."
+// },
+// "presentationHint": {
+// "type": "string",
+// "description": "An optional hint for how to present the source in the
+// UI. A value of 'deemphasize' can be used to indicate
+// that the source is not available or that it is
+// skipped on stepping.",
+// "enum": [ "normal", "emphasize", "deemphasize" ]
+// },
+// "origin": {
+// "type": "string",
+// "description": "The (optional) origin of this source: possible values
+// 'internal module', 'inlined content from source map',
+// etc."
+// },
+// "sources": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/Source"
+// },
+// "description": "An optional list of sources that are related to this
+// source. These may be the source that generated this
+// source."
+// },
+// "adapterData": {
+// "type":["array","boolean","integer","null","number","object","string"],
+// "description": "Optional data that a debug adapter might want to loop
+// through the client. The client should leave the data
+// intact and persist it across sessions. The client
+// should not interpret the data."
+// },
+// "checksums": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/Checksum"
+// },
+// "description": "The checksums associated with this file."
+// }
+// }
+// }
+//----------------------------------------------------------------------
+llvm::json::Value CreateSource(lldb::SBLineEntry &line_entry) {
+ llvm::json::Object object;
+ lldb::SBFileSpec file = line_entry.GetFileSpec();
+ if (file.IsValid()) {
+ const char *name = file.GetFilename();
+ if (name)
+ object.try_emplace("name", name);
+ char path[PATH_MAX] = "";
+ file.GetPath(path, sizeof(path));
+ if (path[0]) {
+ object.try_emplace("path", std::string(path));
+ }
+ }
+ return llvm::json::Value(std::move(object));
+}
+
+llvm::json::Value CreateSource(lldb::SBFrame &frame, int64_t &disasm_line) {
+ disasm_line = 0;
+ auto line_entry = frame.GetLineEntry();
+ if (line_entry.GetFileSpec().IsValid())
+ return CreateSource(line_entry);
+
+ llvm::json::Object object;
+ const auto pc = frame.GetPC();
+
+ lldb::SBInstructionList insts;
+ lldb::SBFunction function = frame.GetFunction();
+ lldb::addr_t low_pc = LLDB_INVALID_ADDRESS;
+ if (function.IsValid()) {
+ low_pc = function.GetStartAddress().GetLoadAddress(g_vsc.target);
+ auto addr_srcref = g_vsc.addr_to_source_ref.find(low_pc);
+ if (addr_srcref != g_vsc.addr_to_source_ref.end()) {
+ // We have this disassembly cached already, return the existing
+ // sourceReference
+ object.try_emplace("sourceReference", addr_srcref->second);
+ disasm_line = g_vsc.GetLineForPC(addr_srcref->second, pc);
+ } else {
+ insts = function.GetInstructions(g_vsc.target);
+ }
+ } else {
+ lldb::SBSymbol symbol = frame.GetSymbol();
+ if (symbol.IsValid()) {
+ low_pc = symbol.GetStartAddress().GetLoadAddress(g_vsc.target);
+ auto addr_srcref = g_vsc.addr_to_source_ref.find(low_pc);
+ if (addr_srcref != g_vsc.addr_to_source_ref.end()) {
+ // We have this disassembly cached already, return the existing
+ // sourceReference
+ object.try_emplace("sourceReference", addr_srcref->second);
+ disasm_line = g_vsc.GetLineForPC(addr_srcref->second, pc);
+ } else {
+ insts = symbol.GetInstructions(g_vsc.target);
+ }
+ }
+ }
+ const auto num_insts = insts.GetSize();
+ if (low_pc != LLDB_INVALID_ADDRESS && num_insts > 0) {
+ object.try_emplace("name", frame.GetFunctionName());
+ SourceReference source;
+ llvm::raw_string_ostream src_strm(source.content);
+ std::string line;
+ for (size_t i = 0; i < num_insts; ++i) {
+ lldb::SBInstruction inst = insts.GetInstructionAtIndex(i);
+ const auto inst_addr = inst.GetAddress().GetLoadAddress(g_vsc.target);
+ const char *m = inst.GetMnemonic(g_vsc.target);
+ const char *o = inst.GetOperands(g_vsc.target);
+ const char *c = inst.GetComment(g_vsc.target);
+ if (pc == inst_addr)
+ disasm_line = i + 1;
+ const auto inst_offset = inst_addr - low_pc;
+ int spaces = 0;
+ if (inst_offset < 10)
+ spaces = 3;
+ else if (inst_offset < 100)
+ spaces = 2;
+ else if (inst_offset < 1000)
+ spaces = 1;
+ line.clear();
+ llvm::raw_string_ostream line_strm(line);
+ line_strm << llvm::formatv("{0:X+}: <{1}> {2} {3,12} {4}", inst_addr,
+ inst_offset, llvm::fmt_repeat(' ', spaces),
+ m, o);
+ const uint32_t comment_row = 60;
+ // If there is a comment append it starting at column 60
+ if (c && c[0]) {
+ if (line.size() < comment_row)
+ line_strm.indent(comment_row - line_strm.str().size());
+ line_strm << " # " << c;
+ }
+ src_strm << line_strm.str() << "\n";
+ source.addr_to_line[inst_addr] = i + 1;
+ }
+ // Flush the source stream
+ src_strm.str();
+ auto sourceReference = VSCode::GetNextSourceReference();
+ g_vsc.source_map[sourceReference] = std::move(source);
+ g_vsc.addr_to_source_ref[low_pc] = sourceReference;
+ object.try_emplace("sourceReference", sourceReference);
+ }
+ return llvm::json::Value(std::move(object));
+}
+
+//----------------------------------------------------------------------
+// "StackFrame": {
+// "type": "object",
+// "description": "A Stackframe contains the source location.",
+// "properties": {
+// "id": {
+// "type": "integer",
+// "description": "An identifier for the stack frame. It must be unique
+// across all threads. This id can be used to retrieve
+// the scopes of the frame with the 'scopesRequest' or
+// to restart the execution of a stackframe."
+// },
+// "name": {
+// "type": "string",
+// "description": "The name of the stack frame, typically a method name."
+// },
+// "source": {
+// "$ref": "#/definitions/Source",
+// "description": "The optional source of the frame."
+// },
+// "line": {
+// "type": "integer",
+// "description": "The line within the file of the frame. If source is
+// null or doesn't exist, line is 0 and must be ignored."
+// },
+// "column": {
+// "type": "integer",
+// "description": "The column within the line. If source is null or
+// doesn't exist, column is 0 and must be ignored."
+// },
+// "endLine": {
+// "type": "integer",
+// "description": "An optional end line of the range covered by the
+// stack frame."
+// },
+// "endColumn": {
+// "type": "integer",
+// "description": "An optional end column of the range covered by the
+// stack frame."
+// },
+// "moduleId": {
+// "type": ["integer", "string"],
+// "description": "The module associated with this frame, if any."
+// },
+// "presentationHint": {
+// "type": "string",
+// "enum": [ "normal", "label", "subtle" ],
+// "description": "An optional hint for how to present this frame in
+// the UI. A value of 'label' can be used to indicate
+// that the frame is an artificial frame that is used
+// as a visual label or separator. A value of 'subtle'
+// can be used to change the appearance of a frame in
+// a 'subtle' way."
+// }
+// },
+// "required": [ "id", "name", "line", "column" ]
+// }
+//----------------------------------------------------------------------
+llvm::json::Value CreateStackFrame(lldb::SBFrame &frame) {
+ llvm::json::Object object;
+ int64_t frame_id = MakeVSCodeFrameID(frame);
+ object.try_emplace("id", frame_id);
+ object.try_emplace("name", frame.GetFunctionName());
+ int64_t disasm_line = 0;
+ object.try_emplace("source", CreateSource(frame, disasm_line));
+
+ auto line_entry = frame.GetLineEntry();
+ if (disasm_line > 0) {
+ object.try_emplace("line", disasm_line);
+ } else {
+ auto line = line_entry.GetLine();
+ if (line == UINT32_MAX)
+ line = 0;
+ object.try_emplace("line", line);
+ }
+ object.try_emplace("column", line_entry.GetColumn());
+ return llvm::json::Value(std::move(object));
+}
+
+//----------------------------------------------------------------------
+// "Thread": {
+// "type": "object",
+// "description": "A Thread",
+// "properties": {
+// "id": {
+// "type": "integer",
+// "description": "Unique identifier for the thread."
+// },
+// "name": {
+// "type": "string",
+// "description": "A name of the thread."
+// }
+// },
+// "required": [ "id", "name" ]
+// }
+//----------------------------------------------------------------------
+llvm::json::Value CreateThread(lldb::SBThread &thread) {
+ llvm::json::Object object;
+ object.try_emplace("id", (int64_t)thread.GetThreadID());
+ char thread_str[64];
+ snprintf(thread_str, sizeof(thread_str), "Thread #%u", thread.GetIndexID());
+ const char *name = thread.GetName();
+ if (name) {
+ std::string thread_with_name(thread_str);
+ thread_with_name += ' ';
+ thread_with_name += name;
+ object.try_emplace("name", thread_with_name);
+ } else {
+ object.try_emplace("name", std::string(thread_str));
+ }
+ return llvm::json::Value(std::move(object));
+}
+
+//----------------------------------------------------------------------
+// "StoppedEvent": {
+// "allOf": [ { "$ref": "#/definitions/Event" }, {
+// "type": "object",
+// "description": "Event message for 'stopped' event type. The event
+// indicates that the execution of the debuggee has stopped
+// due to some condition. This can be caused by a break
+// point previously set, a stepping action has completed,
+// by executing a debugger statement etc.",
+// "properties": {
+// "event": {
+// "type": "string",
+// "enum": [ "stopped" ]
+// },
+// "body": {
+// "type": "object",
+// "properties": {
+// "reason": {
+// "type": "string",
+// "description": "The reason for the event. For backward
+// compatibility this string is shown in the UI if
+// the 'description' attribute is missing (but it
+// must not be translated).",
+// "_enum": [ "step", "breakpoint", "exception", "pause", "entry" ]
+// },
+// "description": {
+// "type": "string",
+// "description": "The full reason for the event, e.g. 'Paused
+// on exception'. This string is shown in the UI
+// as is."
+// },
+// "threadId": {
+// "type": "integer",
+// "description": "The thread which was stopped."
+// },
+// "text": {
+// "type": "string",
+// "description": "Additional information. E.g. if reason is
+// 'exception', text contains the exception name.
+// This string is shown in the UI."
+// },
+// "allThreadsStopped": {
+// "type": "boolean",
+// "description": "If allThreadsStopped is true, a debug adapter
+// can announce that all threads have stopped.
+// The client should use this information to
+// enable that all threads can be expanded to
+// access their stacktraces. If the attribute
+// is missing or false, only the thread with the
+// given threadId can be expanded."
+// }
+// },
+// "required": [ "reason" ]
+// }
+// },
+// "required": [ "event", "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+llvm::json::Value CreateThreadStopped(lldb::SBThread &thread,
+ uint32_t stop_id) {
+ llvm::json::Object event(CreateEvent("stopped"));
+ llvm::json::Object body;
+ switch (thread.GetStopReason()) {
+ case lldb::eStopReasonTrace:
+ case lldb::eStopReasonPlanComplete:
+ body.try_emplace("reason", "step");
+ break;
+ case lldb::eStopReasonBreakpoint: {
+ ExceptionBreakpoint *exc_bp = g_vsc.GetExceptionBPFromStopReason(thread);
+ if (exc_bp) {
+ body.try_emplace("reason", "exception");
+ body.try_emplace("description", exc_bp->label);
+ } else {
+ body.try_emplace("reason", "breakpoint");
+ }
+ } break;
+ case lldb::eStopReasonWatchpoint:
+ case lldb::eStopReasonInstrumentation:
+ body.try_emplace("reason", "breakpoint");
+ break;
+ case lldb::eStopReasonSignal:
+ body.try_emplace("reason", "exception");
+ break;
+ case lldb::eStopReasonException:
+ body.try_emplace("reason", "exception");
+ break;
+ case lldb::eStopReasonExec:
+ body.try_emplace("reason", "entry");
+ break;
+ case lldb::eStopReasonThreadExiting:
+ case lldb::eStopReasonInvalid:
+ case lldb::eStopReasonNone:
+ break;
+ }
+ if (stop_id == 0)
+ body.try_emplace("reason", "entry");
+ const lldb::tid_t tid = thread.GetThreadID();
+ body.try_emplace("threadId", (int64_t)tid);
+ // If no description has been set, then set it to the default thread stopped
+ // description. If we have breakpoints that get hit and shouldn't be reported
+ // as breakpoints, then they will set the description above.
+ if (ObjectContainsKey(body, "description")) {
+ char description[1024];
+ if (thread.GetStopDescription(description, sizeof(description))) {
+ body.try_emplace("description", std::string(description));
+ }
+ }
+ if (tid == g_vsc.focus_tid) {
+ body.try_emplace("threadCausedFocus", true);
+ }
+ body.try_emplace("preserveFocusHint", tid != g_vsc.focus_tid);
+ body.try_emplace("allThreadsStopped", true);
+ event.try_emplace("body", std::move(body));
+ return llvm::json::Value(std::move(event));
+}
+
+//----------------------------------------------------------------------
+// "Variable": {
+// "type": "object",
+// "description": "A Variable is a name/value pair. Optionally a variable
+// can have a 'type' that is shown if space permits or when
+// hovering over the variable's name. An optional 'kind' is
+// used to render additional properties of the variable,
+// e.g. different icons can be used to indicate that a
+// variable is public or private. If the value is
+// structured (has children), a handle is provided to
+// retrieve the children with the VariablesRequest. If
+// the number of named or indexed children is large, the
+// numbers should be returned via the optional
+// 'namedVariables' and 'indexedVariables' attributes. The
+// client can use this optional information to present the
+// children in a paged UI and fetch them in chunks.",
+// "properties": {
+// "name": {
+// "type": "string",
+// "description": "The variable's name."
+// },
+// "value": {
+// "type": "string",
+// "description": "The variable's value. This can be a multi-line text,
+// e.g. for a function the body of a function."
+// },
+// "type": {
+// "type": "string",
+// "description": "The type of the variable's value. Typically shown in
+// the UI when hovering over the value."
+// },
+// "presentationHint": {
+// "$ref": "#/definitions/VariablePresentationHint",
+// "description": "Properties of a variable that can be used to determine
+// how to render the variable in the UI."
+// },
+// "evaluateName": {
+// "type": "string",
+// "description": "Optional evaluatable name of this variable which can
+// be passed to the 'EvaluateRequest' to fetch the
+// variable's value."
+// },
+// "variablesReference": {
+// "type": "integer",
+// "description": "If variablesReference is > 0, the variable is
+// structured and its children can be retrieved by
+// passing variablesReference to the VariablesRequest."
+// },
+// "namedVariables": {
+// "type": "integer",
+// "description": "The number of named child variables. The client can
+// use this optional information to present the children
+// in a paged UI and fetch them in chunks."
+// },
+// "indexedVariables": {
+// "type": "integer",
+// "description": "The number of indexed child variables. The client
+// can use this optional information to present the
+// children in a paged UI and fetch them in chunks."
+// }
+// },
+// "required": [ "name", "value", "variablesReference" ]
+// }
+//----------------------------------------------------------------------
+llvm::json::Value CreateVariable(lldb::SBValue v, int64_t variablesReference,
+ int64_t varID, bool format_hex) {
+ llvm::json::Object object;
+ auto name = v.GetName();
+ object.try_emplace("name", name ? name : "<null>");
+ if (format_hex)
+ v.SetFormat(lldb::eFormatHex);
+ SetValueForKey(v, object, "value");
+ auto type_cstr = v.GetType().GetDisplayTypeName();
+ object.try_emplace("type", type_cstr ? type_cstr : NO_TYPENAME);
+ if (varID != INT64_MAX)
+ object.try_emplace("id", varID);
+ if (v.MightHaveChildren())
+ object.try_emplace("variablesReference", variablesReference);
+ else
+ object.try_emplace("variablesReference", (int64_t)0);
+ lldb::SBStream evaluateStream;
+ v.GetExpressionPath(evaluateStream);
+ const char *evaluateName = evaluateStream.GetData();
+ if (evaluateName && evaluateName[0])
+ object.try_emplace("evaluateName", std::string(evaluateName));
+ return llvm::json::Value(std::move(object));
+}
+
+} // namespace lldb_vscode
+
--- /dev/null
+//===-- JSONUtils.h ---------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_JSONUTILS_H_
+#define LLDBVSCODE_JSONUTILS_H_
+
+#include <stdint.h>
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/JSON.h"
+#include "VSCodeForward.h"
+
+namespace lldb_vscode {
+
+//------------------------------------------------------------------
+/// Extract simple values as a string.
+///
+/// @param[in] value
+/// A JSON value to extract the string from.
+///
+/// @return
+/// A llvm::StringRef that contains the string value, or an empty
+/// string if \a value isn't a string.
+//------------------------------------------------------------------
+llvm::StringRef GetAsString(const llvm::json::Value &value);
+
+//------------------------------------------------------------------
+/// Extract the string value for the specified key from the
+/// specified object.
+///
+/// @param[in] obj
+/// A JSON object that we will attempt to extract the value from
+///
+/// @param[in] key
+/// The key to use when extracting the value
+///
+/// @return
+/// A llvm::StringRef that contains the string value for the
+/// specified \a key, or an empty string if there is no key that
+/// matches or if the value is not a string.
+//------------------------------------------------------------------
+llvm::StringRef GetString(const llvm::json::Object &obj, llvm::StringRef key);
+llvm::StringRef GetString(const llvm::json::Object *obj, llvm::StringRef key);
+
+//------------------------------------------------------------------
+/// Extract the unsigned integer value for the specified key from
+/// the specified object.
+///
+/// @param[in] obj
+/// A JSON object that we will attempt to extract the value from
+///
+/// @param[in] key
+/// The key to use when extracting the value
+///
+/// @return
+/// The unsigned integer value for the specified \a key, or
+/// \a fail_value if there is no key that matches or if the
+/// value is not an integer.
+//------------------------------------------------------------------
+uint64_t GetUnsigned(const llvm::json::Object &obj, llvm::StringRef key,
+ uint64_t fail_value);
+uint64_t GetUnsigned(const llvm::json::Object *obj, llvm::StringRef key,
+ uint64_t fail_value);
+
+//------------------------------------------------------------------
+/// Extract the boolean value for the specified key from the
+/// specified object.
+///
+/// @param[in] obj
+/// A JSON object that we will attempt to extract the value from
+///
+/// @param[in] key
+/// The key to use when extracting the value
+///
+/// @return
+/// The boolean value for the specified \a key, or \a fail_value
+/// if there is no key that matches or if the value is not a
+/// boolean value of an integer.
+//------------------------------------------------------------------
+bool GetBoolean(const llvm::json::Object &obj, llvm::StringRef key,
+ bool fail_value);
+bool GetBoolean(const llvm::json::Object *obj, llvm::StringRef key,
+ bool fail_value);
+
+//------------------------------------------------------------------
+/// Extract the signed integer for the specified key from the
+/// specified object.
+///
+/// @param[in] obj
+/// A JSON object that we will attempt to extract the value from
+///
+/// @param[in] key
+/// The key to use when extracting the value
+///
+/// @return
+/// The signed integer value for the specified \a key, or
+/// \a fail_value if there is no key that matches or if the
+/// value is not an integer.
+//------------------------------------------------------------------
+int64_t GetSigned(const llvm::json::Object &obj, llvm::StringRef key,
+ int64_t fail_value);
+int64_t GetSigned(const llvm::json::Object *obj, llvm::StringRef key,
+ int64_t fail_value);
+
+//------------------------------------------------------------------
+/// Check if the specified key exists in the specified object.
+///
+/// @param[in] obj
+/// A JSON object that we will attempt to extract the value from
+///
+/// @param[in] key
+/// The key to check for
+///
+/// @return
+/// \b True if the key exists in the \a obj, \b False otherwise.
+//------------------------------------------------------------------
+bool ObjectContainsKey(const llvm::json::Object &obj, llvm::StringRef key);
+
+//------------------------------------------------------------------
+/// Extract an array of strings for the specified key from an object.
+///
+/// String values in the array will be extracted without any quotes
+/// around them. Numbers and Booleans will be converted into
+/// strings. Any NULL, array or objects values in the array will be
+/// ignored.
+///
+/// @param[in] obj
+/// A JSON object that we will attempt to extract the array from
+///
+/// @param[in] key
+/// The key to use when extracting the value
+///
+/// @return
+/// An array of string values for the specified \a key, or
+/// \a fail_value if there is no key that matches or if the
+/// value is not an array or all items in the array are not
+/// strings, numbers or booleans.
+//------------------------------------------------------------------
+std::vector<std::string> GetStrings(const llvm::json::Object *obj,
+ llvm::StringRef key);
+
+//------------------------------------------------------------------
+/// Fill a response object given the request object.
+///
+/// The \a response object will get its "type" set to "response",
+/// the "seq" set to zero, "response_seq" set to the "seq" value from
+/// \a request, "command" set to the "command" from \a request,
+/// and "success" set to true.
+///
+/// @param[in] request
+/// The request object received from a call to VSCode::ReadJSON().
+///
+/// @param[in,out] response
+/// An empty llvm::json::Object object that will be filled
+/// in as noted in description.
+//------------------------------------------------------------------
+void FillResponse(const llvm::json::Object &request,
+ llvm::json::Object &response);
+
+//----------------------------------------------------------------------
+/// Emplace the string value from an SBValue into the supplied object
+/// using \a key as the key that will contain the value.
+///
+/// The value is what we will display in VS Code. Some SBValue objects
+/// can have a value and/or a summary. If a value has both, we
+/// combine the value and the summary into one string. If we only have a
+/// value or summary, then that is considered the value. If there is
+/// no value and no summary then the value is the type name followed by
+/// the address of the type if it has an address.
+///
+///
+/// @param[in] v
+/// A lldb::SBValue object to extract the string value from
+///
+///
+/// @param[in] object
+/// The object to place the value object into
+///
+///
+/// @param[in] key
+/// The key name to use when inserting the value object we create
+//----------------------------------------------------------------------
+void SetValueForKey(lldb::SBValue &v, llvm::json::Object &object,
+ llvm::StringRef key);
+
+//----------------------------------------------------------------------
+/// Converts \a bp to a JSON value and appends all locations to the
+/// \a breakpoints array.
+///
+/// @param[in] bp
+/// A LLDB breakpoint object which will get all locations extracted
+/// and converted into a JSON objects in the \a breakpoints array
+///
+/// @param[in] breakpoints
+/// A JSON array that will get a llvm::json::Value for \a bp
+/// appended to it.
+//----------------------------------------------------------------------
+void AppendBreakpoint(lldb::SBBreakpoint &bp, llvm::json::Array &breakpoints);
+
+//----------------------------------------------------------------------
+/// Converts breakpoint location to a Visual Studio Code "Breakpoint"
+/// JSON object and appends it to the \a breakpoints array.
+///
+/// @param[in] bp_loc
+/// A LLDB breakpoint location object to convert into a JSON value
+///
+/// @return
+/// A "Breakpoint" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateBreakpoint(lldb::SBBreakpointLocation &bp_loc);
+
+//----------------------------------------------------------------------
+/// Create a "Event" JSON object using \a event_name as the event name
+///
+/// @param[in] event_name
+/// The string value to use for the "event" key in the JSON object.
+///
+/// @return
+/// A "Event" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Object CreateEvent(const llvm::StringRef event_name);
+
+//----------------------------------------------------------------------
+/// Create a "ExceptionBreakpointsFilter" JSON object as described in
+/// the Visual Studio Code debug adaptor definition.
+///
+/// @param[in] bp
+/// The exception breakppoint object to use
+///
+/// @return
+/// A "ExceptionBreakpointsFilter" JSON object with that follows
+/// the formal JSON definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value
+CreateExceptionBreakpointFilter(const ExceptionBreakpoint &bp);
+
+//----------------------------------------------------------------------
+/// Create a "Scope" JSON object as described in the Visual Studio Code
+/// debug adaptor definition.
+///
+/// @param[in] name
+/// The value to place into the "name" key
+//
+/// @param[in] variablesReference
+/// The value to place into the "variablesReference" key
+//
+/// @param[in] namedVariables
+/// The value to place into the "namedVariables" key
+//
+/// @param[in] expensive
+/// The value to place into the "expensive" key
+///
+/// @return
+/// A "Scope" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateScope(const llvm::StringRef name,
+ int64_t variablesReference,
+ int64_t namedVariables, bool expensive);
+
+//----------------------------------------------------------------------
+/// Create a "Source" JSON object as described in the Visual Studio Code
+/// debug adaptor definition.
+///
+/// @param[in] line_entry
+/// The LLDB line table to use when populating out the "Source"
+/// object
+///
+/// @return
+/// A "Source" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateSource(lldb::SBLineEntry &line_entry);
+
+//----------------------------------------------------------------------
+/// Create a "Source" object for a given frame.
+///
+/// When there is no source file information for a stack frame, we will
+/// create disassembly for a function and store a permanent
+/// "sourceReference" that contains the textual disassembly for a
+/// function along with address to line information. The "Source" object
+/// that is created will contain a "sourceReference" that the VSCode
+/// protocol can later fetch as text in order to display disassembly.
+/// The PC will be extracted from the frame and the disassembly line
+/// within the source referred to by "sourceReference" will be filled
+/// in.
+///
+/// @param[in] frame
+/// The LLDB stack frame to use when populating out the "Source"
+/// object.
+///
+/// @param[out] disasm_line
+/// The line within the "sourceReference" file that the PC from
+/// \a frame matches.
+///
+/// @return
+/// A "Source" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateSource(lldb::SBFrame &frame, int64_t &disasm_line);
+
+//----------------------------------------------------------------------
+/// Create a "StackFrame" object for a LLDB frame object.
+///
+/// This function will fill in the following keys in the returned
+/// object:
+/// "id" - the stack frame ID as an integer
+/// "name" - the function name as a string
+/// "source" - source file information as a "Source" VSCode object
+/// "line" - the source file line number as an integer
+/// "column" - the source file column number as an integer
+///
+/// @param[in] frame
+/// The LLDB stack frame to use when populating out the "StackFrame"
+/// object.
+///
+/// @return
+/// A "StackFrame" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateStackFrame(lldb::SBFrame &frame);
+
+//----------------------------------------------------------------------
+/// Create a "Thread" object for a LLDB thread object.
+///
+/// This function will fill in the following keys in the returned
+/// object:
+/// "id" - the thread ID as an integer
+/// "name" - the thread name as a string which combines the LLDB
+/// thread index ID along with the string name of the thread
+/// from the OS if it has a name.
+///
+/// @param[in] thread
+/// The LLDB thread to use when populating out the "Thread"
+/// object.
+///
+/// @return
+/// A "Thread" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateThread(lldb::SBThread &thread);
+
+//----------------------------------------------------------------------
+/// Create a "StoppedEvent" object for a LLDB thread object.
+///
+/// This function will fill in the following keys in the returned
+/// object's "body" object:
+/// "reason" - With a valid stop reason enumeration string value
+/// that Microsoft specifies
+/// "threadId" - The thread ID as an integer
+/// "description" - a stop description (like "breakpoint 12.3") as a
+/// string
+/// "preserveFocusHint" - a boolean value that states if this thread
+/// should keep the focus in the GUI.
+/// "allThreadsStopped" - set to True to indicate that all threads
+/// stop when any thread stops.
+///
+/// @param[in] thread
+/// The LLDB thread to use when populating out the "StoppedEvent"
+/// object.
+///
+/// @return
+/// A "StoppedEvent" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateThreadStopped(lldb::SBThread &thread, uint32_t stop_id);
+
+//----------------------------------------------------------------------
+/// Create a "Variable" object for a LLDB thread object.
+///
+/// This function will fill in the following keys in the returned
+/// object:
+/// "name" - the name of the variable
+/// "value" - the value of the variable as a string
+/// "type" - the typename of the varaible as a string
+/// "id" - a unique identifier for a value in case there are multiple
+/// variables with the same name. Other parts of the VSCode
+/// protocol refer to values by name so this can help
+/// disambiguate such cases if a IDE passes this "id" value
+/// back down.
+/// "variablesReference" - Zero if the variable has no children,
+/// non-zero integer otherwise which can be used to expand
+/// the variable.
+/// "evaluateName" - The name of the variable to use in expressions
+/// as a string.
+///
+/// @param[in] v
+/// The LLDB value to use when populating out the "Variable"
+/// object.
+///
+/// @param[in] variablesReference
+/// The variable reference. Zero if this value isn't structured
+/// and has no children, non-zero if it does have children and
+/// might be asked to expand itself.
+///
+/// @param[in] varID
+/// A unique variable indentifier to help in properly identifying
+/// variables with the same name. This is an extension to the
+/// VS protocol.
+///
+/// @param[in] format_hex
+/// It set to true the variable will be formatted as hex in
+/// the "value" key value pair for the value of the variable.
+///
+/// @return
+/// A "Variable" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+//----------------------------------------------------------------------
+llvm::json::Value CreateVariable(lldb::SBValue v, int64_t variablesReference,
+ int64_t varID, bool format_hex);
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+//===-- LLDBUtils.cpp -------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LLDBUtils.h"
+#include "VSCode.h"
+
+namespace lldb_vscode {
+
+void RunLLDBCommands(llvm::StringRef prefix,
+ const llvm::ArrayRef<std::string> &commands,
+ llvm::raw_ostream &strm) {
+ if (commands.empty())
+ return;
+ lldb::SBCommandInterpreter interp = g_vsc.debugger.GetCommandInterpreter();
+ if (!prefix.empty())
+ strm << prefix << "\n";
+ for (const auto &command : commands) {
+ lldb::SBCommandReturnObject result;
+ strm << "(lldb) " << command << "\n";
+ interp.HandleCommand(command.c_str(), result);
+ auto output_len = result.GetOutputSize();
+ if (output_len) {
+ const char *output = result.GetOutput();
+ strm << output;
+ }
+ auto error_len = result.GetErrorSize();
+ if (error_len) {
+ const char *error = result.GetError();
+ strm << error;
+ }
+ }
+}
+
+std::string RunLLDBCommands(llvm::StringRef prefix,
+ const llvm::ArrayRef<std::string> &commands) {
+ std::string s;
+ llvm::raw_string_ostream strm(s);
+ RunLLDBCommands(prefix, commands, strm);
+ strm.flush();
+ return s;
+}
+
+bool ThreadHasStopReason(lldb::SBThread &thread) {
+ switch (thread.GetStopReason()) {
+ case lldb::eStopReasonTrace:
+ case lldb::eStopReasonPlanComplete:
+ case lldb::eStopReasonBreakpoint:
+ case lldb::eStopReasonWatchpoint:
+ case lldb::eStopReasonInstrumentation:
+ case lldb::eStopReasonSignal:
+ case lldb::eStopReasonException:
+ case lldb::eStopReasonExec:
+ return true;
+ case lldb::eStopReasonThreadExiting:
+ case lldb::eStopReasonInvalid:
+ case lldb::eStopReasonNone:
+ break;
+ }
+ return false;
+}
+
+int64_t MakeVSCodeFrameID(lldb::SBFrame &frame) {
+ return (int64_t)frame.GetThread().GetIndexID() << 32 |
+ (int64_t)frame.GetFrameID();
+}
+
+} // namespace lldb_vscode
--- /dev/null
+//===-- LLDBUtils.h ---------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_LLDBUTILS_H_
+#define LLDBVSCODE_LLDBUTILS_H_
+
+#include "VSCodeForward.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/raw_ostream.h"
+#include <string>
+#include <vector>
+
+namespace lldb_vscode {
+
+///----------------------------------------------------------------------
+/// Run a list of LLDB commands in the LLDB command interpreter.
+///
+/// All output from every command, including the prompt + the command
+/// is placed into the "strm" argument.
+///
+/// @param[in] prefix
+/// A string that will be printed into \a strm prior to emitting
+/// the prmopt + command and command output. Can be NULL.
+///
+/// @param[in] commands
+/// An array of LLDB commands to execute.
+///
+/// @param[in] strm
+/// The stream that will receive the prefix, prompt + command and
+/// all command output.
+//----------------------------------------------------------------------
+void RunLLDBCommands(llvm::StringRef prefix,
+ const llvm::ArrayRef<std::string> &commands,
+ llvm::raw_ostream &strm);
+
+///----------------------------------------------------------------------
+/// Run a list of LLDB commands in the LLDB command interpreter.
+///
+/// All output from every command, including the prompt + the command
+/// is returned in the std::string return value.
+///
+/// @param[in] prefix
+/// A string that will be printed into \a strm prior to emitting
+/// the prmopt + command and command output. Can be NULL.
+///
+/// @param[in] commands
+/// An array of LLDB commands to execute.
+///
+/// @return
+/// A std::string that contains the prefix and all commands and
+/// command output
+//----------------------------------------------------------------------
+std::string RunLLDBCommands(llvm::StringRef prefix,
+ const llvm::ArrayRef<std::string> &commands);
+
+///----------------------------------------------------------------------
+/// Check if a thread has a stop reason.
+///
+/// @param[in] thread
+/// The LLDB thread object to check
+///
+/// @return
+/// \b True if the thread has a valid stop reason, \b false
+/// otherwise.
+//----------------------------------------------------------------------
+bool ThreadHasStopReason(lldb::SBThread &thread);
+
+///----------------------------------------------------------------------
+/// Given a LLDB frame, make a frame ID that is unique to a specific
+/// thread and frame.
+///
+/// VSCode requires a Stackframe "id" to be unique, so we use the frame
+/// index in the lower 32 bits and the thread index ID in the upper 32
+/// bits.
+///
+/// @param[in] frame
+/// The LLDB stack frame object generate the ID for
+///
+/// @return
+/// A unique integer that allows us to easily find the right
+/// stack frame within a thread on subsequent VS code requests.
+//----------------------------------------------------------------------
+int64_t MakeVSCodeFrameID(lldb::SBFrame &frame);
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+
+# Table of Contents
+
+- [Introduction](#Introduction)
+- [Intallation](#Intallation Visual Studio Code)
+- [Configurations](#configurations)
+ - [Launch Configuration Settings](#launch configuration settings)
+ - [Attach Configuration Settings](#attach configuration settings)
+ - [Example configurations](#example configurations)
+ - [Launching](#launching)
+ - [Attach to process using process ID](#attach using pid)
+ - [Attach to process by name](#attach by name)
+ - [Loading a core file](#loading a core file)
+
+# Introduction
+
+The `lldb-vscode` tool creates a command line tool that implements the [Visual
+Studio Code Debug API](https://code.visualstudio.com/docs/extensionAPI/api-debugging).
+It can be installed as an extension for the Visual Studio Code and Nuclide IDE.
+The protocol is easy to run remotely and also can allow other tools and IDEs to
+get a full featured debugger with a well defined protocol.
+
+# Intallation for Visual Studio Code
+
+Installing the plug-in involves creating a directory in the `~/.vscode/extensions` folder and copying the package.json file that is in the same directory as this
+documentation into it, and copying to symlinking a lldb-vscode binary into
+the `bin` directory inside the plug-in directory.
+
+If you want to make a stand alone plug-in that you can send to others on unix systems:
+
+```
+$ mkdir -p ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+$ cp package.json ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0
+$ cd ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+$ cp /path/to/a/built/lldb-vscode .
+$ cp /path/to/a/built/liblldb.so .
+```
+
+
+If you want to make a stand alone plug-in that you can send to others on macOS systems:
+
+```
+$ mkdir -p ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+$ cp package.json ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0
+$ cd ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+$ cp /path/to/a/built/lldb-vscode .
+$ rsync -av /path/to/a/built/LLDB.framework LLDB.framework
+```
+
+You might need to create additional directories for the `liblldb.so` or `LLDB.framework` inside or next to the `bin` folder depending on how the [rpath](https://en.wikipedia.org/wiki/Rpath) is set in your `lldb-vscode` binary. By default the `Debug` builds of LLDB usually includes
+the current executable directory in the rpath, so these steps should work for most people.
+
+To create a plug-in that symlinks into your `lldb-vscode` in your build directory:
+
+```
+$ mkdir -p ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+$ cp package.json ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0
+$ cd ~/.vscode/extensions/llvm-org.lldb-vscode-0.1.0/bin
+$ ln -s /path/to/a/built/lldb-vscode
+```
+
+This is handy if you want to debug and develope the `lldb-vscode` executable when adding features or fixing bugs.
+
+# Configurations
+
+Launching to attaching require you to create a [launch configuration](https://code.visualstudio.com/Docs/editor/debugging#_launch-configurations). This file
+defines arguments that get passed to `lldb-vscode` and the configuration settings
+control how the launch or attach happens.
+
+## Launch Configuration Settings
+
+When you launch a program with Visual Studio Code you will need to create a [launch.json](https://code.visualstudio.com/Docs/editor/debugging#_launch-configurations)
+file that defines how your program will be run. The JSON configuration file can contain the following `lldb-vscode` specific launch key/value pairs:
+
+|parameter |type|req | |
+|-------------------|----|:--:|---------|
+|**name** |string|Y| A configuration name that will be displayed in the IDE.
+|**type** |string|Y| Must be "lldb-vscode".
+|**request** |string|Y| Must be "launch".
+|**program** |string|Y| Path to the executable to launch.
+|**args** |[string]|| An array of command line argument strings to be passed to the program being launched.
+|**cwd** |string| | The program working directory.
+|**env** |dictionary| | Environment variables to set when launching the program. The format of each environment variable string is "VAR=VALUE" for environment variables with values or just "VAR" for environment variables with no values.
+|**stopOnEntry** |boolean| | Whether to stop program immediately after launching.
+|**initCommands** |[string]| | LLDB commands executed upon debugger startup prior to creating a the LLDB target. Commands and command output will be sent to the debugger console when they are executed.
+|**preRunCommands** |[string]| | LLDB commands executed just before launching after the LLDB target has been created. Commands and command output will be sent to the debugger console when they are executed.
+|**stopCommands** |[string]| | LLDB commands executed just after each stop. Commands and command output will be sent to the debugger console when they are executed.
+|**exitCommands** |[string]| | LLDB commands executed when the program exits. Commands and command output will be sent to the debugger console when they are executed.
+|**sourceMap** |[string[2]]| | Specify an array of path re-mappings. Each element in the array must be a two element array containing a source and destination pathname.
+|**debuggerRoot** | string| |Specify a working directory to use when launching lldb-vscode. If the debug information in your executable contains relative paths, this option can be used so that `lldb-vscode` can find source files and object files that have relative paths.
+
+## Attaching Settings
+
+When attaching to a process using LLDB you can attach in a few ways
+
+1. Attach to an existing process using the process ID
+2. Attach to an existing process by name
+3. Attach by name by waiting for the next instance of a process to launch
+
+The JSON configuration file can contain the following `lldb-vscode` specific launch key/value pairs:
+
+|parameter |type |req | |
+|-------------------|--------|:--:|---------|
+|**name** |string |Y| A configuration name that will be displayed in the IDE.
+|**type** |string |Y| Must be "lldb-vscode".
+|**request** |string |Y| Must be "attach".
+|**program** |string | | Path to the executable to attach to. This value is optional but can help to resolve breakpoints prior the attaching to the program.
+|**pid** |number | | The process id of the process you wish to attach to. If **pid** is omitted, the debugger will attempt to attach to the program by finding a process whose file name matches the file name from **porgram**. Setting this value to `${command:pickMyProcess}` will allow interactive process selection in the IDE.
+|**stopOnEntry** |boolean| | Whether to stop program immediately after launching.
+|**waitFor** |boolean | | Wait for the process to launch.
+|**initCommands** |[string]| | LLDB commands executed upon debugger startup prior to creating a the LLDB target. Commands and command output will be sent to the debugger console when they are executed.
+|**preRunCommands** |[string]| | LLDB commands executed just before launching after the LLDB target has been created. Commands and command output will be sent to the debugger console when they are executed.
+|**stopCommands** |[string]| | LLDB commands executed just after each stop. Commands and command output will be sent to the debugger console when they are executed.
+|**exitCommands** |[string]| | LLDB commands executed when the program exits. Commands and command output will be sent to the debugger console when they are executed.
+|**attachCommands** |[string]| | LLDB commands that will be executed after **preRunCommands** which take place of the code that normally does the attach. The commands can create a new target and attach or launch it however desired. This allows custom launch and attach configurations. Core files can use `target create --core /path/to/core` to attach to core files.
+
+
+## Example configurations
+
+### Launching
+
+This will launch `/tmp/a.out` with arguments `one`, `two`, and `three` and
+adds `FOO=1` and `bar` to the environment:
+
+```javascript
+{
+ "type": "lldb-vscode",
+ "request": "launch",
+ "name": "Debug",
+ "program": "/tmp/a.out",
+ "args": [ "one", "two", "three" ],
+ "env": [ "FOO=1", "BAR" ],
+}
+```
+
+### Attach using PID
+
+This will attach to a process `a.out` whose process ID is 123:
+
+```javascript
+{
+ "type": "lldb-vscode",
+ "request": "attach",
+ "name": "Attach to PID",
+ "program": "/tmp/a.out",
+ "pid": 123
+}
+```
+
+### Attach by Name
+
+This will attach to an existing process whose base
+name matches `a.out`. All we have to do is leave the `pid` value out of the
+above configuration:
+
+```javascript
+{
+ "name": "Attach to Name",
+ "type": "lldb-vscode",
+ "request": "attach",
+ "program": "/tmp/a.out",
+}
+```
+
+If you want to ignore any existing a.out processes and wait for the next instance
+to be launched you can add the "waitFor" key value pair:
+
+```javascript
+{
+ "name": "Attach to Name (wait)",
+ "type": "lldb-vscode",
+ "request": "attach",
+ "program": "/tmp/a.out",
+ "waitFor": true
+}
+```
+
+This will work as long as the architecture, vendor and OS supports waiting
+for processes. Currently MacOS is the only platform that supports this.
+
+
+### Loading a Core File
+
+Loading a core file can use the `"attach"` request along with the
+`"attachCommands"` to implement a custom attach:
+
+```javascript
+{
+ "name": "Attach to Name (wait)",
+ "type": "lldb-vscode",
+ "request": "attach",
+ "attachCommands": ["target create -c /path/to/123.core /path/to/executable"],
+}
+```
--- /dev/null
+//===-- SourceBreakpoint.cpp ------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SourceBreakpoint.h"
+#include "VSCode.h"
+
+namespace lldb_vscode {
+
+SourceBreakpoint::SourceBreakpoint(const llvm::json::Object &obj)
+ : BreakpointBase(obj), line(GetUnsigned(obj, "line", 0)),
+ column(GetUnsigned(obj, "column", 0)) {}
+
+void SourceBreakpoint::SetBreakpoint(const llvm::StringRef source_path) {
+ bp = g_vsc.target.BreakpointCreateByLocation(source_path.str().c_str(), line);
+ if (!condition.empty())
+ SetCondition();
+ if (!hitCondition.empty())
+ SetHitCondition();
+}
+
+} // namespace lldb_vscode
--- /dev/null
+//===-- SourceBreakpoint.h --------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_SOURCEBREAKPOINT_H_
+#define LLDBVSCODE_SOURCEBREAKPOINT_H_
+
+#include "llvm/ADT/StringRef.h"
+#include "BreakpointBase.h"
+
+namespace lldb_vscode {
+
+struct SourceBreakpoint : public BreakpointBase {
+
+ uint32_t line; ///< The source line of the breakpoint or logpoint
+ uint32_t column; ///< An optional source column of the breakpoint
+
+ SourceBreakpoint() : BreakpointBase(), line(0), column(0) {}
+ SourceBreakpoint(const llvm::json::Object &obj);
+
+ // Set this breakpoint in LLDB as a new breakpoint
+ void SetBreakpoint(const llvm::StringRef source_path);
+};
+
+inline bool operator<(const SourceBreakpoint &lhs,
+ const SourceBreakpoint &rhs) {
+ if (lhs.line == rhs.line)
+ return lhs.column < rhs.column;
+ return lhs.line < rhs.line;
+}
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+//===-- SourceReference.h ---------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_SOURCEREFERENCE_H_
+#define LLDBVSCODE_SOURCEREFERENCE_H_
+
+#include "lldb/lldb-types.h"
+#include "llvm/ADT/DenseMap.h"
+#include <string>
+
+namespace lldb_vscode {
+
+struct SourceReference {
+ std::string content;
+ llvm::DenseMap<lldb::addr_t, int64_t> addr_to_line;
+
+ int64_t GetLineForPC(lldb::addr_t pc) const {
+ auto addr_line = addr_to_line.find(pc);
+ if (addr_line != addr_to_line.end())
+ return addr_line->second;
+ return 0;
+ }
+};
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+//===-- VSCode.cpp ----------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdarg.h>
+#include <fstream>
+#include <mutex>
+
+#include "VSCode.h"
+#include "LLDBUtils.h"
+
+using namespace lldb_vscode;
+
+namespace {
+ inline bool IsEmptyLine(llvm::StringRef S) {
+ return S.ltrim().empty();
+ }
+} // namespace
+
+namespace lldb_vscode {
+
+VSCode g_vsc;
+
+VSCode::VSCode()
+ : in(stdin), out(stdout), launch_info(nullptr), variables(),
+ broadcaster("lldb-vscode"), num_regs(0), num_locals(0), num_globals(0),
+ log(), exception_breakpoints(
+ {{"cpp_catch", "C++ Catch", lldb::eLanguageTypeC_plus_plus},
+ {"cpp_throw", "C++ Throw", lldb::eLanguageTypeC_plus_plus},
+ {"objc_catch", "Objective C Catch", lldb::eLanguageTypeObjC},
+ {"objc_throw", "Objective C Throw", lldb::eLanguageTypeObjC},
+ {"swift_catch", "Swift Catch", lldb::eLanguageTypeSwift},
+ {"swift_throw", "Swift Throw", lldb::eLanguageTypeSwift}}),
+ focus_tid(LLDB_INVALID_THREAD_ID), sent_terminated_event(false),
+ stop_at_entry(false) {
+ const char *log_file_path = getenv("LLDBVSCODE_LOG");
+ if (log_file_path)
+ log.reset(new std::ofstream(log_file_path));
+}
+
+VSCode::~VSCode() {
+ CloseInputStream();
+ CloseOutputStream();
+}
+
+void VSCode::CloseInputStream() {
+ if (in != stdin) {
+ fclose(in);
+ in = nullptr;
+ }
+}
+
+void VSCode::CloseOutputStream() {
+ if (out != stdout) {
+ fclose(out);
+ out = nullptr;
+ }
+}
+
+int64_t VSCode::GetLineForPC(int64_t sourceReference, lldb::addr_t pc) const {
+ auto pos = source_map.find(sourceReference);
+ if (pos != source_map.end())
+ return pos->second.GetLineForPC(pc);
+ return 0;
+}
+
+ExceptionBreakpoint *VSCode::GetExceptionBreakpoint(const std::string &filter) {
+ for (auto &bp : exception_breakpoints) {
+ if (bp.filter == filter)
+ return &bp;
+ }
+ return nullptr;
+}
+
+ExceptionBreakpoint *
+VSCode::GetExceptionBreakpoint(const lldb::break_id_t bp_id) {
+ for (auto &bp : exception_breakpoints) {
+ if (bp.bp.GetID() == bp_id)
+ return &bp;
+ }
+ return nullptr;
+}
+
+//----------------------------------------------------------------------
+// Send the JSON in "json_str" to the "out" stream. Correctly send the
+// "Content-Length:" field followed by the length, followed by the raw
+// JSON bytes.
+//----------------------------------------------------------------------
+void VSCode::SendJSON(const std::string &json_str) {
+ fprintf(out, "Content-Length: %u\r\n\r\n%s", (uint32_t)json_str.size(),
+ json_str.c_str());
+ fflush(out);
+ if (log) {
+ *log << "<-- " << std::endl
+ << "Content-Length: " << json_str.size() << "\r\n\r\n"
+ << json_str << std::endl;
+ }
+}
+
+//----------------------------------------------------------------------
+// Serialize the JSON value into a string and send the JSON packet to
+// the "out" stream.
+//----------------------------------------------------------------------
+void VSCode::SendJSON(const llvm::json::Value &json) {
+ std::string s;
+ llvm::raw_string_ostream strm(s);
+ strm << json;
+ static std::mutex mutex;
+ std::lock_guard<std::mutex> locker(mutex);
+ SendJSON(strm.str());
+}
+
+//----------------------------------------------------------------------
+// Read a JSON packet from the "in" stream.
+//----------------------------------------------------------------------
+std::string VSCode::ReadJSON() {
+ static std::string header("Content-Length: ");
+
+ uint32_t packet_len = 0;
+ std::string json_str;
+ char line[1024];
+
+ while (fgets(line, sizeof(line), in)) {
+ if (strncmp(line, header.data(), header.size()) == 0) {
+ packet_len = atoi(line + header.size());
+ if (fgets(line, sizeof(line), in)) {
+ if (!IsEmptyLine(line))
+ if (log)
+ *log << "warning: expected empty line but got: \"" << line << "\""
+ << std::endl;
+ break;
+ }
+ } else {
+ if (log)
+ *log << "warning: expected \"" << header << "\" but got: \"" << line
+ << "\"" << std::endl;
+ }
+ }
+ // This is followed by two windows newline sequences ("\r\n\r\n") so eat
+ // two the newline sequences
+ if (packet_len > 0) {
+ json_str.resize(packet_len);
+ auto bytes_read = fread(&json_str[0], 1, packet_len, in);
+ if (bytes_read < packet_len) {
+ if (log)
+ *log << "error: read fewer bytes (" << bytes_read
+ << ") than requested (" << packet_len << ")" << std::endl;
+ json_str.erase(bytes_read);
+ }
+ if (log) {
+ *log << "--> " << std::endl;
+ *log << header << packet_len << "\r\n\r\n" << json_str << std::endl;
+ }
+ }
+ return json_str;
+}
+
+//----------------------------------------------------------------------
+// "OutputEvent": {
+// "allOf": [ { "$ref": "#/definitions/Event" }, {
+// "type": "object",
+// "description": "Event message for 'output' event type. The event
+// indicates that the target has produced some output.",
+// "properties": {
+// "event": {
+// "type": "string",
+// "enum": [ "output" ]
+// },
+// "body": {
+// "type": "object",
+// "properties": {
+// "category": {
+// "type": "string",
+// "description": "The output category. If not specified,
+// 'console' is assumed.",
+// "_enum": [ "console", "stdout", "stderr", "telemetry" ]
+// },
+// "output": {
+// "type": "string",
+// "description": "The output to report."
+// },
+// "variablesReference": {
+// "type": "number",
+// "description": "If an attribute 'variablesReference' exists
+// and its value is > 0, the output contains
+// objects which can be retrieved by passing
+// variablesReference to the VariablesRequest."
+// },
+// "source": {
+// "$ref": "#/definitions/Source",
+// "description": "An optional source location where the output
+// was produced."
+// },
+// "line": {
+// "type": "integer",
+// "description": "An optional source location line where the
+// output was produced."
+// },
+// "column": {
+// "type": "integer",
+// "description": "An optional source location column where the
+// output was produced."
+// },
+// "data": {
+// "type":["array","boolean","integer","null","number","object",
+// "string"],
+// "description": "Optional data to report. For the 'telemetry'
+// category the data will be sent to telemetry, for
+// the other categories the data is shown in JSON
+// format."
+// }
+// },
+// "required": ["output"]
+// }
+// },
+// "required": [ "event", "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void VSCode::SendOutput(OutputType o, const llvm::StringRef output) {
+ if (output.empty())
+ return;
+
+ llvm::json::Object event(CreateEvent("output"));
+ llvm::json::Object body;
+ const char *category = nullptr;
+ switch (o) {
+ case OutputType::Console:
+ category = "console";
+ break;
+ case OutputType::Stdout:
+ category = "stdout";
+ break;
+ case OutputType::Stderr:
+ category = "stderr";
+ break;
+ case OutputType::Telemetry:
+ category = "telemetry";
+ break;
+ }
+ body.try_emplace("category", category);
+ body.try_emplace("output", output.str());
+ event.try_emplace("body", std::move(body));
+ SendJSON(llvm::json::Value(std::move(event)));
+}
+
+void __attribute__((format(printf, 3, 4)))
+VSCode::SendFormattedOutput(OutputType o, const char *format, ...) {
+ char buffer[1024];
+ va_list args;
+ va_start(args, format);
+ int actual_length = vsnprintf(buffer, sizeof(buffer), format, args);
+ va_end(args);
+ SendOutput(o, llvm::StringRef(buffer,
+ std::min<int>(actual_length, sizeof(buffer))));
+}
+
+int64_t VSCode::GetNextSourceReference() {
+ static int64_t ref = 0;
+ return ++ref;
+}
+
+ExceptionBreakpoint *
+VSCode::GetExceptionBPFromStopReason(lldb::SBThread &thread) {
+ const auto num = thread.GetStopReasonDataCount();
+ // Check to see if have hit an exception breakpoint and change the
+ // reason to "exception", but only do so if all breakpoints that were
+ // hit are exception breakpoints.
+ ExceptionBreakpoint *exc_bp = nullptr;
+ for (size_t i = 0; i < num; i += 2) {
+ // thread.GetStopReasonDataAtIndex(i) will return the bp ID and
+ // thread.GetStopReasonDataAtIndex(i+1) will return the location
+ // within that breakpoint. We only care about the bp ID so we can
+ // see if this is an exception breakpoint that is getting hit.
+ lldb::break_id_t bp_id = thread.GetStopReasonDataAtIndex(i);
+ exc_bp = GetExceptionBreakpoint(bp_id);
+ // If any breakpoint is not an exception breakpoint, then stop and
+ // report this as a normal breakpoint
+ if (exc_bp == nullptr)
+ return nullptr;
+ }
+ return exc_bp;
+}
+
+lldb::SBThread VSCode::GetLLDBThread(const llvm::json::Object &arguments) {
+ auto tid = GetSigned(arguments, "threadId", LLDB_INVALID_THREAD_ID);
+ return target.GetProcess().GetThreadByID(tid);
+}
+
+lldb::SBFrame VSCode::GetLLDBFrame(const llvm::json::Object &arguments) {
+ const uint64_t frame_id = GetUnsigned(arguments, "frameId", UINT64_MAX);
+ lldb::SBProcess process = target.GetProcess();
+ // Upper 32 bits is the thread index ID
+ lldb::SBThread thread = process.GetThreadByIndexID(frame_id >> 32);
+ // Lower 32 bits is the frame index
+ return thread.GetFrameAtIndex(frame_id & 0xffffffffu);
+}
+
+llvm::json::Value VSCode::CreateTopLevelScopes() {
+ llvm::json::Array scopes;
+ scopes.emplace_back(CreateScope("Locals", VARREF_LOCALS, num_locals, false));
+ scopes.emplace_back(
+ CreateScope("Globals", VARREF_GLOBALS, num_globals, false));
+ scopes.emplace_back(CreateScope("Registers", VARREF_REGS, num_regs, false));
+ return llvm::json::Value(std::move(scopes));
+}
+
+void VSCode::RunLLDBCommands(llvm::StringRef prefix,
+ const std::vector<std::string> &commands) {
+ SendOutput(OutputType::Console,
+ llvm::StringRef(::RunLLDBCommands(prefix, commands)));
+}
+
+void VSCode::RunInitCommands() {
+ RunLLDBCommands("Running initCommands:", init_commands);
+}
+
+void VSCode::RunPreRunCommands() {
+ RunLLDBCommands("Running preRunCommands:", pre_run_commands);
+}
+
+void VSCode::RunStopCommands() {
+ RunLLDBCommands("Running stopCommands:", stop_commands);
+}
+
+void VSCode::RunExitCommands() {
+ RunLLDBCommands("Running exitCommands:", exit_commands);
+}
+
+} // namespace lldb_vscode
+
--- /dev/null
+//===-- VSCode.h ------------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_VSCODE_H_
+#define LLDBVSCODE_VSCODE_H_
+
+#include <iosfwd>
+#include <map>
+#include <set>
+#include <stdio.h>
+#include <thread>
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
+
+#include "lldb/API/SBAttachInfo.h"
+#include "lldb/API/SBBreakpoint.h"
+#include "lldb/API/SBBreakpointLocation.h"
+#include "lldb/API/SBCommandInterpreter.h"
+#include "lldb/API/SBCommandReturnObject.h"
+#include "lldb/API/SBCommunication.h"
+#include "lldb/API/SBDebugger.h"
+#include "lldb/API/SBEvent.h"
+#include "lldb/API/SBHostOS.h"
+#include "lldb/API/SBInstruction.h"
+#include "lldb/API/SBInstructionList.h"
+#include "lldb/API/SBLanguageRuntime.h"
+#include "lldb/API/SBLaunchInfo.h"
+#include "lldb/API/SBLineEntry.h"
+#include "lldb/API/SBListener.h"
+#include "lldb/API/SBProcess.h"
+#include "lldb/API/SBStream.h"
+#include "lldb/API/SBStringList.h"
+#include "lldb/API/SBTarget.h"
+#include "lldb/API/SBThread.h"
+
+#include "ExceptionBreakpoint.h"
+#include "FunctionBreakpoint.h"
+#include "SourceBreakpoint.h"
+#include "SourceReference.h"
+
+#define VARREF_LOCALS (int64_t)1
+#define VARREF_GLOBALS (int64_t)2
+#define VARREF_REGS (int64_t)3
+#define VARREF_FIRST_VAR_IDX (int64_t)4
+#define VARREF_IS_SCOPE(v) (VARREF_LOCALS <= 1 && v < VARREF_FIRST_VAR_IDX)
+#define VARIDX_TO_VARREF(i) ((i) + VARREF_FIRST_VAR_IDX)
+#define VARREF_TO_VARIDX(v) ((v)-VARREF_FIRST_VAR_IDX)
+#define NO_TYPENAME "<no-type>"
+
+namespace lldb_vscode {
+
+typedef llvm::DenseMap<uint32_t, SourceBreakpoint> SourceBreakpointMap;
+typedef llvm::StringMap<FunctionBreakpoint> FunctionBreakpointMap;
+enum class OutputType { Console, Stdout, Stderr, Telemetry };
+
+struct VSCode {
+ FILE *in;
+ FILE *out;
+ lldb::SBDebugger debugger;
+ lldb::SBTarget target;
+ lldb::SBAttachInfo attach_info;
+ lldb::SBLaunchInfo launch_info;
+ lldb::SBValueList variables;
+ lldb::SBBroadcaster broadcaster;
+ int64_t num_regs;
+ int64_t num_locals;
+ int64_t num_globals;
+ std::thread event_thread;
+ std::unique_ptr<std::ofstream> log;
+ llvm::DenseMap<lldb::addr_t, int64_t> addr_to_source_ref;
+ llvm::DenseMap<int64_t, SourceReference> source_map;
+ llvm::StringMap<SourceBreakpointMap> source_breakpoints;
+ FunctionBreakpointMap function_breakpoints;
+ std::vector<ExceptionBreakpoint> exception_breakpoints;
+ std::vector<std::string> init_commands;
+ std::vector<std::string> pre_run_commands;
+ std::vector<std::string> exit_commands;
+ std::vector<std::string> stop_commands;
+ lldb::tid_t focus_tid;
+ bool sent_terminated_event;
+ bool stop_at_entry;
+ // Keep track of the last stop thread index IDs as threads won't go away
+ // unless we send a "thread" event to indicate the thread exited.
+ llvm::DenseSet<lldb::tid_t> thread_ids;
+ VSCode();
+ ~VSCode();
+ VSCode(const VSCode &rhs) = delete;
+ void operator=(const VSCode &rhs) = delete;
+ void CloseInputStream();
+ void CloseOutputStream();
+ int64_t GetLineForPC(int64_t sourceReference, lldb::addr_t pc) const;
+ ExceptionBreakpoint *GetExceptionBreakpoint(const std::string &filter);
+ ExceptionBreakpoint *GetExceptionBreakpoint(const lldb::break_id_t bp_id);
+ //----------------------------------------------------------------------
+ // Send the JSON in "json_str" to the "out" stream. Correctly send the
+ // "Content-Length:" field followed by the length, followed by the raw
+ // JSON bytes.
+ //----------------------------------------------------------------------
+ void SendJSON(const std::string &json_str);
+
+ //----------------------------------------------------------------------
+ // Serialize the JSON value into a string and send the JSON packet to
+ // the "out" stream.
+ //----------------------------------------------------------------------
+ void SendJSON(const llvm::json::Value &json);
+
+ std::string ReadJSON();
+
+ void SendOutput(OutputType o, const llvm::StringRef output);
+
+ void __attribute__((format(printf, 3, 4)))
+ SendFormattedOutput(OutputType o, const char *format, ...);
+
+ static int64_t GetNextSourceReference();
+
+ ExceptionBreakpoint *GetExceptionBPFromStopReason(lldb::SBThread &thread);
+
+ lldb::SBThread GetLLDBThread(const llvm::json::Object &arguments);
+
+ lldb::SBFrame GetLLDBFrame(const llvm::json::Object &arguments);
+
+ llvm::json::Value CreateTopLevelScopes();
+
+ void RunLLDBCommands(llvm::StringRef prefix,
+ const std::vector<std::string> &commands);
+
+ void RunInitCommands();
+ void RunPreRunCommands();
+ void RunStopCommands();
+ void RunExitCommands();
+};
+
+extern VSCode g_vsc;
+
+} // namespace lldb_vscode
+
+#endif
--- /dev/null
+//===-- VSCodeForward.h -----------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDBVSCODE_VSCODEFORWARD_H_
+#define LLDBVSCODE_VSCODEFORWARD_H_
+
+
+namespace lldb_vscode {
+struct BreakpointBase;
+struct ExceptionBreakpoint;
+struct FunctionBreakpoint;
+struct SourceBreakpoint;
+struct SourceReference;
+} // namespace lldb_vscode
+
+namespace lldb {
+class SBAttachInfo;
+class SBBreakpoint;
+class SBBreakpointLocation;
+class SBCommandInterpreter;
+class SBCommandReturnObject;
+class SBCommunication;
+class SBDebugger;
+class SBEvent;
+class SBFrame;
+class SBHostOS;
+class SBInstruction;
+class SBInstructionList;
+class SBLanguageRuntime;
+class SBLaunchInfo;
+class SBLineEntry;
+class SBListener;
+class SBProcess;
+class SBStream;
+class SBStringList;
+class SBTarget;
+class SBThread;
+class SBValue;
+} // namespace lldb
+
+#endif
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+ <key>CFBundleDevelopmentRegion</key>
+ <string>English</string>
+ <key>CFBundleIdentifier</key>
+ <string>com.apple.lldb-vscode</string>
+ <key>CFBundleInfoDictionaryVersion</key>
+ <string>6.0</string>
+ <key>CFBundleName</key>
+ <string>lldb-vscode</string>
+ <key>CFBundleVersion</key>
+ <string>360.99.0</string>
+ <key>SecTaskAccess</key>
+ <array>
+ <string>allowed</string>
+ <string>debug</string>
+ </array>
+</dict>
+</plist>
--- /dev/null
+//===-- lldb-vscode.cpp -----------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <assert.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#if defined(_WIN32)
+// We need to #define NOMINMAX in order to skip `min()` and `max()` macro
+// definitions that conflict with other system headers.
+// We also need to #undef GetObject (which is defined to GetObjectW) because
+// the JSON code we use also has methods named `GetObject()` and we conflict
+// against these.
+#define NOMINMAX
+#include <windows.h>
+#undef GetObject
+#else
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#endif
+
+#include <algorithm>
+#include <chrono>
+#include <fstream>
+#include <map>
+#include <memory>
+#include <mutex>
+#include <set>
+#include <sstream>
+#include <thread>
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/raw_ostream.h"
+
+#include "JSONUtils.h"
+#include "LLDBUtils.h"
+#include "VSCode.h"
+
+#if defined(_WIN32)
+#define PATH_MAX MAX_PATH
+typedef int socklen_t;
+constexpr const char *dev_null_path = "nul";
+
+#else
+typedef int SOCKET;
+constexpr const char *dev_null_path = "/dev/null";
+
+#endif
+
+using namespace lldb_vscode;
+
+namespace {
+
+typedef void (*RequestCallback)(const llvm::json::Object &command);
+
+enum LaunchMethod { Launch, Attach, AttachForSuspendedLaunch };
+
+enum VSCodeBroadcasterBits { eBroadcastBitStopEventThread = 1u << 0 };
+
+int AcceptConnection(int portno) {
+ // Accept a socket connection from any host on "portno".
+ int newsockfd = -1;
+ struct sockaddr_in serv_addr, cli_addr;
+ SOCKET sockfd = socket(AF_INET, SOCK_STREAM, 0);
+ if (sockfd < 0) {
+ if (g_vsc.log)
+ *g_vsc.log << "error: opening socket (" << strerror(errno) << ")"
+ << std::endl;
+ } else {
+ memset((char *)&serv_addr, 0, sizeof(serv_addr));
+ serv_addr.sin_family = AF_INET;
+ // serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+ serv_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ serv_addr.sin_port = htons(portno);
+ if (bind(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
+ if (g_vsc.log)
+ *g_vsc.log << "error: binding socket (" << strerror(errno) << ")"
+ << std::endl;
+ } else {
+ listen(sockfd, 5);
+ socklen_t clilen = sizeof(cli_addr);
+ newsockfd = accept(sockfd, (struct sockaddr *)&cli_addr, &clilen);
+ if (newsockfd < 0)
+ if (g_vsc.log)
+ *g_vsc.log << "error: accept (" << strerror(errno) << ")"
+ << std::endl;
+ }
+#if defined(_WIN32)
+ closesocket(sockfd);
+#else
+ close(sockfd);
+#endif
+ }
+ return newsockfd;
+}
+
+std::vector<const char *> MakeArgv(const llvm::ArrayRef<std::string> &strs) {
+ // Create and return an array of "const char *", one for each C string in
+ // "strs" and terminate the list with a NULL. This can be used for argument
+ // vectors (argv) or environment vectors (envp) like those passed to the
+ // "main" function in C programs.
+ std::vector<const char *> argv;
+ for (const auto &s : strs)
+ argv.push_back(s.c_str());
+ argv.push_back(nullptr);
+ return argv;
+}
+
+//----------------------------------------------------------------------
+// Send a "exited" event to indicate the process has exited.
+//----------------------------------------------------------------------
+void SendProcessExitedEvent(lldb::SBProcess &process) {
+ llvm::json::Object event(CreateEvent("exited"));
+ llvm::json::Object body;
+ body.try_emplace("exitCode", (int64_t)process.GetExitStatus());
+ event.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(event)));
+}
+
+void SendThreadExitedEvent(lldb::tid_t tid) {
+ llvm::json::Object event(CreateEvent("thread"));
+ llvm::json::Object body;
+ body.try_emplace("reason", "exited");
+ body.try_emplace("threadId", (int64_t)tid);
+ event.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(event)));
+}
+
+//----------------------------------------------------------------------
+// Send a "terminated" event to indicate the process is done being
+// debugged.
+//----------------------------------------------------------------------
+void SendTerminatedEvent() {
+ if (!g_vsc.sent_terminated_event) {
+ g_vsc.sent_terminated_event = true;
+ // Send a "terminated" event
+ llvm::json::Object event(CreateEvent("terminated"));
+ g_vsc.SendJSON(llvm::json::Value(std::move(event)));
+ }
+}
+
+//----------------------------------------------------------------------
+// Send a thread stopped event for all threads as lons as the process
+// is stopped.
+//----------------------------------------------------------------------
+void SendThreadStoppedEvent() {
+ lldb::SBProcess process = g_vsc.target.GetProcess();
+ if (process.IsValid()) {
+ auto state = process.GetState();
+ if (state == lldb::eStateStopped) {
+ llvm::DenseSet<lldb::tid_t> old_thread_ids;
+ old_thread_ids.swap(g_vsc.thread_ids);
+ uint32_t stop_id = process.GetStopID();
+ const uint32_t num_threads = process.GetNumThreads();
+
+ // First make a pass through the threads to see if the focused thread
+ // has a stop reason. In case the focus thread doesn't have a stop
+ // reason, remember the first thread that has a stop reason so we can
+ // set it as the focus thread if below if needed.
+ lldb::tid_t first_tid_with_reason = LLDB_INVALID_THREAD_ID;
+ uint32_t num_threads_with_reason = 0;
+ for (uint32_t thread_idx = 0; thread_idx < num_threads; ++thread_idx) {
+ lldb::SBThread thread = process.GetThreadAtIndex(thread_idx);
+ const lldb::tid_t tid = thread.GetThreadID();
+ const bool has_reason = ThreadHasStopReason(thread);
+ // If the focus thread doesn't have a stop reason, clear the thread ID
+ if (tid == g_vsc.focus_tid && !has_reason)
+ g_vsc.focus_tid = LLDB_INVALID_THREAD_ID;
+ if (has_reason) {
+ ++num_threads_with_reason;
+ if (first_tid_with_reason == LLDB_INVALID_THREAD_ID)
+ first_tid_with_reason = tid;
+ }
+ }
+
+ // We will have cleared g_vsc.focus_tid if he focus thread doesn't
+ // have a stop reason, so if it was cleared, or wasn't set, then set the
+ // focus thread to the first thread with a stop reason.
+ if (g_vsc.focus_tid == LLDB_INVALID_THREAD_ID)
+ g_vsc.focus_tid = first_tid_with_reason;
+
+ // If no threads stopped with a reaspon, then report the first one so
+ // we at least let the UI know we stopped.
+ if (num_threads_with_reason == 0) {
+ lldb::SBThread thread = process.GetThreadAtIndex(0);
+ g_vsc.SendJSON(CreateThreadStopped(thread, stop_id));
+ } else {
+ for (uint32_t thread_idx = 0; thread_idx < num_threads; ++thread_idx) {
+ lldb::SBThread thread = process.GetThreadAtIndex(thread_idx);
+ g_vsc.thread_ids.insert(thread.GetThreadID());
+ if (ThreadHasStopReason(thread)) {
+ g_vsc.SendJSON(CreateThreadStopped(thread, stop_id));
+ }
+ }
+ }
+
+ for (auto tid : old_thread_ids) {
+ auto end = g_vsc.thread_ids.end();
+ auto pos = g_vsc.thread_ids.find(tid);
+ if (pos == end)
+ SendThreadExitedEvent(tid);
+ }
+ } else {
+ if (g_vsc.log)
+ *g_vsc.log << "error: SendThreadStoppedEvent() when process"
+ " isn't stopped ("
+ << lldb::SBDebugger::StateAsCString(state) << ')'
+ << std::endl;
+ }
+ } else {
+ if (g_vsc.log)
+ *g_vsc.log << "error: SendThreadStoppedEvent() invalid process"
+ << std::endl;
+ }
+ g_vsc.RunStopCommands();
+}
+
+//----------------------------------------------------------------------
+// "ProcessEvent": {
+// "allOf": [
+// { "$ref": "#/definitions/Event" },
+// {
+// "type": "object",
+// "description": "Event message for 'process' event type. The event
+// indicates that the debugger has begun debugging a
+// new process. Either one that it has launched, or one
+// that it has attached to.",
+// "properties": {
+// "event": {
+// "type": "string",
+// "enum": [ "process" ]
+// },
+// "body": {
+// "type": "object",
+// "properties": {
+// "name": {
+// "type": "string",
+// "description": "The logical name of the process. This is
+// usually the full path to process's executable
+// file. Example: /home/myproj/program.js."
+// },
+// "systemProcessId": {
+// "type": "integer",
+// "description": "The system process id of the debugged process.
+// This property will be missing for non-system
+// processes."
+// },
+// "isLocalProcess": {
+// "type": "boolean",
+// "description": "If true, the process is running on the same
+// computer as the debug adapter."
+// },
+// "startMethod": {
+// "type": "string",
+// "enum": [ "launch", "attach", "attachForSuspendedLaunch" ],
+// "description": "Describes how the debug engine started
+// debugging this process.",
+// "enumDescriptions": [
+// "Process was launched under the debugger.",
+// "Debugger attached to an existing process.",
+// "A project launcher component has launched a new process in
+// a suspended state and then asked the debugger to attach."
+// ]
+// }
+// },
+// "required": [ "name" ]
+// }
+// },
+// "required": [ "event", "body" ]
+// }
+// ]
+// }
+//----------------------------------------------------------------------
+void SendProcessEvent(LaunchMethod launch_method) {
+ lldb::SBFileSpec exe_fspec = g_vsc.target.GetExecutable();
+ char exe_path[PATH_MAX];
+ exe_fspec.GetPath(exe_path, sizeof(exe_path));
+ llvm::json::Object event(CreateEvent("process"));
+ llvm::json::Object body;
+ body.try_emplace("name", std::string(exe_path));
+ const auto pid = g_vsc.target.GetProcess().GetProcessID();
+ body.try_emplace("systemProcessId", (int64_t)pid);
+ body.try_emplace("isLocalProcess", true);
+ const char *startMethod = nullptr;
+ switch (launch_method) {
+ case Launch:
+ startMethod = "launch";
+ break;
+ case Attach:
+ startMethod = "attach";
+ break;
+ case AttachForSuspendedLaunch:
+ startMethod = "attachForSuspendedLaunch";
+ break;
+ }
+ body.try_emplace("startMethod", startMethod);
+ event.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(event)));
+}
+
+//----------------------------------------------------------------------
+// Grab any STDOUT and STDERR from the process and send it up to VS Code
+// via an "output" event to the "stdout" and "stderr" categories.
+//----------------------------------------------------------------------
+void SendStdOutStdErr(lldb::SBProcess &process) {
+ char buffer[1024];
+ size_t count;
+ while ((count = process.GetSTDOUT(buffer, sizeof(buffer))) > 0)
+ g_vsc.SendOutput(OutputType::Stdout, llvm::StringRef(buffer, count));
+ while ((count = process.GetSTDERR(buffer, sizeof(buffer))) > 0)
+ g_vsc.SendOutput(OutputType::Stderr, llvm::StringRef(buffer, count));
+}
+
+//----------------------------------------------------------------------
+// All events from a the debugger, target, process, thread and frames are
+// received in this function that runs in its own thread. We are using a
+// "FILE *" to output packets back to VS Code and they have mutexes in them
+// them prevent multiple threads from writing simultaneously so no locking
+// is required.
+//----------------------------------------------------------------------
+void EventThreadFunction() {
+ lldb::SBEvent event;
+ lldb::SBListener listener = g_vsc.debugger.GetListener();
+ bool done = false;
+ while (!done) {
+ if (listener.WaitForEvent(1, event)) {
+ const auto event_mask = event.GetType();
+ if (lldb::SBProcess::EventIsProcessEvent(event)) {
+ lldb::SBProcess process = lldb::SBProcess::GetProcessFromEvent(event);
+ if (event_mask & lldb::SBProcess::eBroadcastBitStateChanged) {
+ auto state = lldb::SBProcess::GetStateFromEvent(event);
+ switch (state) {
+ case lldb::eStateInvalid:
+ // Not a state event
+ break;
+ case lldb::eStateUnloaded:
+ break;
+ case lldb::eStateConnected:
+ break;
+ case lldb::eStateAttaching:
+ break;
+ case lldb::eStateLaunching:
+ break;
+ case lldb::eStateStepping:
+ break;
+ case lldb::eStateCrashed:
+ break;
+ case lldb::eStateDetached:
+ break;
+ case lldb::eStateSuspended:
+ break;
+ case lldb::eStateStopped:
+ // Only report a stopped event if the process was not restarted.
+ if (!lldb::SBProcess::GetRestartedFromEvent(event)) {
+ SendStdOutStdErr(process);
+ SendThreadStoppedEvent();
+ }
+ break;
+ case lldb::eStateRunning:
+ break;
+ case lldb::eStateExited: {
+ // Run any exit LLDB commands the user specified in the
+ // launch.json
+ g_vsc.RunExitCommands();
+ SendProcessExitedEvent(process);
+ SendTerminatedEvent();
+ done = true;
+ } break;
+ }
+ } else if ((event_mask & lldb::SBProcess::eBroadcastBitSTDOUT) ||
+ (event_mask & lldb::SBProcess::eBroadcastBitSTDERR)) {
+ SendStdOutStdErr(process);
+ }
+ } else if (lldb::SBBreakpoint::EventIsBreakpointEvent(event)) {
+ if (event_mask & lldb::SBTarget::eBroadcastBitBreakpointChanged) {
+ auto event_type =
+ lldb::SBBreakpoint::GetBreakpointEventTypeFromEvent(event);
+ const auto num_locs =
+ lldb::SBBreakpoint::GetNumBreakpointLocationsFromEvent(event);
+ auto bp = lldb::SBBreakpoint::GetBreakpointFromEvent(event);
+ bool added = event_type & lldb::eBreakpointEventTypeLocationsAdded;
+ bool removed =
+ event_type & lldb::eBreakpointEventTypeLocationsRemoved;
+ if (added || removed) {
+ for (size_t i = 0; i < num_locs; ++i) {
+ auto bp_loc =
+ lldb::SBBreakpoint::GetBreakpointLocationAtIndexFromEvent(
+ event, i);
+ auto bp_event = CreateEvent("breakpoint");
+ llvm::json::Object body;
+ body.try_emplace("breakpoint", CreateBreakpoint(bp_loc));
+ if (added)
+ body.try_emplace("reason", "new");
+ else
+ body.try_emplace("reason", "removed");
+ bp_event.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(bp_event)));
+ }
+ }
+ }
+ } else if (event.BroadcasterMatchesRef(g_vsc.broadcaster)) {
+ if (event_mask & eBroadcastBitStopEventThread) {
+ done = true;
+ }
+ }
+ }
+ }
+}
+
+//----------------------------------------------------------------------
+// Both attach and launch take a either a sourcePath or sourceMap
+// argument (or neither), from which we need to set the target.source-map.
+//----------------------------------------------------------------------
+void SetSourceMapFromArguments(const llvm::json::Object &arguments) {
+ const char *sourceMapHelp =
+ "source must be be an array of two-element arrays, "
+ "each containing a source and replacement path string.\n";
+
+ std::string sourceMapCommand;
+ llvm::raw_string_ostream strm(sourceMapCommand);
+ strm << "settings set target.source-map ";
+ auto sourcePath = GetString(arguments, "sourcePath");
+
+ // sourceMap is the new, more general form of sourcePath and overrides it.
+ auto sourceMap = arguments.getArray("sourceMap");
+ if (sourceMap) {
+ for (const auto &value : *sourceMap) {
+ auto mapping = value.getAsArray();
+ if (mapping == nullptr || mapping->size() != 2 ||
+ (*mapping)[0].kind() != llvm::json::Value::String ||
+ (*mapping)[1].kind() != llvm::json::Value::String) {
+ g_vsc.SendOutput(OutputType::Console, llvm::StringRef(sourceMapHelp));
+ return;
+ }
+ auto mapFrom = GetAsString((*mapping)[0]);
+ auto mapTo = GetAsString((*mapping)[1]);
+ strm << "\"" << mapFrom << "\" \"" << mapTo << "\"";
+ }
+ } else {
+ if (ObjectContainsKey(arguments, "sourceMap")) {
+ g_vsc.SendOutput(OutputType::Console, llvm::StringRef(sourceMapHelp));
+ return;
+ }
+ if (sourcePath.empty())
+ return;
+ // Do any source remapping needed before we create our targets
+ strm << "\".\" \"" << sourcePath << "\"";
+ }
+ strm.flush();
+ if (!sourceMapCommand.empty()) {
+ g_vsc.RunLLDBCommands("Setting source map:", {sourceMapCommand});
+ }
+}
+
+//----------------------------------------------------------------------
+// "AttachRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Attach request; value of command field is 'attach'.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "attach" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/AttachRequestArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "AttachRequestArguments": {
+// "type": "object",
+// "description": "Arguments for 'attach' request.\nThe attach request has no
+// standardized attributes."
+// },
+// "AttachResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'attach' request. This is just an
+// acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_attach(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ lldb::SBError error;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ const lldb::pid_t pid =
+ GetUnsigned(arguments, "pid", LLDB_INVALID_PROCESS_ID);
+ if (pid != LLDB_INVALID_PROCESS_ID)
+ g_vsc.attach_info.SetProcessID(pid);
+ const auto wait_for = GetBoolean(arguments, "waitFor", false);
+ g_vsc.attach_info.SetWaitForLaunch(wait_for, false /*async*/);
+ g_vsc.init_commands = GetStrings(arguments, "initCommands");
+ g_vsc.pre_run_commands = GetStrings(arguments, "preRunCommands");
+ g_vsc.stop_commands = GetStrings(arguments, "stopCommands");
+ g_vsc.exit_commands = GetStrings(arguments, "exitCommands");
+ auto attachCommands = GetStrings(arguments, "attachCommands");
+ g_vsc.stop_at_entry = GetBoolean(arguments, "stopOnEntry", false);
+ const auto debuggerRoot = GetString(arguments, "debuggerRoot");
+
+ // This is a hack for loading DWARF in .o files on Mac where the .o files
+ // in the debug map of the main executable have relative paths which require
+ // the lldb-vscode binary to have its working directory set to that relative
+ // root for the .o files in order to be able to load debug info.
+ if (!debuggerRoot.empty()) {
+ llvm::sys::fs::set_current_path(debuggerRoot.data());
+ }
+
+ // Run any initialize LLDB commands the user specified in the launch.json
+ g_vsc.RunInitCommands();
+
+ // Grab the name of the program we need to debug and set it as the first
+ // argument that will be passed to the program we will debug.
+ const auto program = GetString(arguments, "program");
+ if (!program.empty()) {
+ lldb::SBFileSpec program_fspec(program.data(), true /*resolve_path*/);
+
+ g_vsc.launch_info.SetExecutableFile(program_fspec,
+ false /*add_as_first_arg*/);
+ const char *target_triple = nullptr;
+ const char *uuid_cstr = nullptr;
+ // Stand alone debug info file if different from executable
+ const char *symfile = nullptr;
+ g_vsc.target.AddModule(program.data(), target_triple, uuid_cstr, symfile);
+ if (error.Fail()) {
+ response.try_emplace("success", false);
+ response.try_emplace("message", std::string(error.GetCString()));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+ return;
+ }
+ }
+
+ const bool detatchOnError = GetBoolean(arguments, "detachOnError", false);
+ g_vsc.launch_info.SetDetachOnError(detatchOnError);
+
+ // Run any pre run LLDB commands the user specified in the launch.json
+ g_vsc.RunPreRunCommands();
+
+ if (pid == LLDB_INVALID_PROCESS_ID && wait_for) {
+ char attach_info[256];
+ auto attach_info_len =
+ snprintf(attach_info, sizeof(attach_info),
+ "Waiting to attach to \"%s\"...", program.data());
+ g_vsc.SendOutput(OutputType::Console, llvm::StringRef(attach_info,
+ attach_info_len));
+ }
+ if (attachCommands.empty()) {
+ // No "attachCommands", just attach normally.
+ // Disable async events so the attach will be successful when we return from
+ // the launch call and the launch will happen synchronously
+ g_vsc.debugger.SetAsync(false);
+ g_vsc.target.Attach(g_vsc.attach_info, error);
+ // Reenable async events
+ g_vsc.debugger.SetAsync(true);
+ } else {
+ // We have "attachCommands" that are a set of commands that are expected
+ // to execute the commands after which a process should be created. If there
+ // is no valid process after running these commands, we have failed.
+ g_vsc.RunLLDBCommands("Running attachCommands:", attachCommands);
+ // The custom commands might have created a new target so we should use the
+ // selected target after these commands are run.
+ g_vsc.target = g_vsc.debugger.GetSelectedTarget();
+ }
+
+ SetSourceMapFromArguments(*arguments);
+
+ if (error.Success()) {
+ auto attached_pid = g_vsc.target.GetProcess().GetProcessID();
+ if (attached_pid == LLDB_INVALID_PROCESS_ID) {
+ if (attachCommands.empty())
+ error.SetErrorString("failed to attach to a process");
+ else
+ error.SetErrorString("attachCommands failed to attach to a process");
+ }
+ }
+
+ if (error.Fail()) {
+ response.try_emplace("success", false);
+ response.try_emplace("message", std::string(error.GetCString()));
+ }
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+ if (error.Success()) {
+ SendProcessEvent(Attach);
+ g_vsc.SendJSON(CreateEvent("initialized"));
+ // SendThreadStoppedEvent();
+ }
+}
+
+//----------------------------------------------------------------------
+// "ContinueRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Continue request; value of command field is 'continue'.
+// The request starts the debuggee to run again.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "continue" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/ContinueArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "ContinueArguments": {
+// "type": "object",
+// "description": "Arguments for 'continue' request.",
+// "properties": {
+// "threadId": {
+// "type": "integer",
+// "description": "Continue execution for the specified thread (if
+// possible). If the backend cannot continue on a single
+// thread but will continue on all threads, it should
+// set the allThreadsContinued attribute in the response
+// to true."
+// }
+// },
+// "required": [ "threadId" ]
+// },
+// "ContinueResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'continue' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "allThreadsContinued": {
+// "type": "boolean",
+// "description": "If true, the continue request has ignored the
+// specified thread and continued all threads
+// instead. If this attribute is missing a value
+// of 'true' is assumed for backward
+// compatibility."
+// }
+// }
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_continue(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ lldb::SBProcess process = g_vsc.target.GetProcess();
+ auto arguments = request.getObject("arguments");
+ // Remember the thread ID that caused the resume so we can set the
+ // "threadCausedFocus" boolean value in the "stopped" events.
+ g_vsc.focus_tid = GetUnsigned(arguments, "threadId", LLDB_INVALID_THREAD_ID);
+ lldb::SBError error = process.Continue();
+ llvm::json::Object body;
+ body.try_emplace("allThreadsContinued", true);
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "ConfigurationDoneRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "ConfigurationDone request; value of command field
+// is 'configurationDone'.\nThe client of the debug protocol must
+// send this request at the end of the sequence of configuration
+// requests (which was started by the InitializedEvent).",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "configurationDone" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/ConfigurationDoneArguments"
+// }
+// },
+// "required": [ "command" ]
+// }]
+// },
+// "ConfigurationDoneArguments": {
+// "type": "object",
+// "description": "Arguments for 'configurationDone' request.\nThe
+// configurationDone request has no standardized attributes."
+// },
+// "ConfigurationDoneResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'configurationDone' request. This is
+// just an acknowledgement, so no body field is required."
+// }]
+// },
+//----------------------------------------------------------------------
+void request_configurationDone(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+ if (g_vsc.stop_at_entry)
+ SendThreadStoppedEvent();
+ else
+ g_vsc.target.GetProcess().Continue();
+}
+
+//----------------------------------------------------------------------
+// "DisconnectRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Disconnect request; value of command field is
+// 'disconnect'.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "disconnect" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/DisconnectArguments"
+// }
+// },
+// "required": [ "command" ]
+// }]
+// },
+// "DisconnectArguments": {
+// "type": "object",
+// "description": "Arguments for 'disconnect' request.",
+// "properties": {
+// "terminateDebuggee": {
+// "type": "boolean",
+// "description": "Indicates whether the debuggee should be terminated
+// when the debugger is disconnected. If unspecified,
+// the debug adapter is free to do whatever it thinks
+// is best. A client can only rely on this attribute
+// being properly honored if a debug adapter returns
+// true for the 'supportTerminateDebuggee' capability."
+// },
+// "restart": {
+// "type": "boolean",
+// "description": "Indicates whether the debuggee should be restart
+// the process."
+// }
+// }
+// },
+// "DisconnectResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'disconnect' request. This is just an
+// acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_disconnect(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+
+ bool terminateDebuggee = GetBoolean(arguments, "terminateDebuggee", false);
+ lldb::SBProcess process = g_vsc.target.GetProcess();
+ auto state = process.GetState();
+
+ switch (state) {
+ case lldb::eStateInvalid:
+ case lldb::eStateUnloaded:
+ case lldb::eStateDetached:
+ case lldb::eStateExited:
+ break;
+ case lldb::eStateConnected:
+ case lldb::eStateAttaching:
+ case lldb::eStateLaunching:
+ case lldb::eStateStepping:
+ case lldb::eStateCrashed:
+ case lldb::eStateSuspended:
+ case lldb::eStateStopped:
+ case lldb::eStateRunning:
+ g_vsc.debugger.SetAsync(false);
+ if (terminateDebuggee)
+ process.Kill();
+ else
+ process.Detach();
+ g_vsc.debugger.SetAsync(true);
+ break;
+ }
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+ SendTerminatedEvent();
+ if (g_vsc.event_thread.joinable()) {
+ g_vsc.broadcaster.BroadcastEventByType(eBroadcastBitStopEventThread);
+ g_vsc.event_thread.join();
+ }
+}
+
+void request_exceptionInfo(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ llvm::json::Object body;
+ lldb::SBThread thread = g_vsc.GetLLDBThread(*arguments);
+ if (thread.IsValid()) {
+ auto stopReason = thread.GetStopReason();
+ if (stopReason == lldb::eStopReasonSignal)
+ body.try_emplace("exceptionId", "signal");
+ else if (stopReason == lldb::eStopReasonBreakpoint) {
+ ExceptionBreakpoint *exc_bp = g_vsc.GetExceptionBPFromStopReason(thread);
+ if (exc_bp) {
+ body.try_emplace("exceptionId", exc_bp->filter);
+ body.try_emplace("description", exc_bp->label);
+ } else {
+ body.try_emplace("exceptionId", "exception");
+ }
+ } else {
+ body.try_emplace("exceptionId", "exception");
+ }
+ if (!ObjectContainsKey(body, "description")) {
+ char description[1024];
+ if (thread.GetStopDescription(description, sizeof(description))) {
+ body.try_emplace("description", std::string(description));
+ }
+ }
+ body.try_emplace("breakMode", "always");
+ // auto excInfoCount = thread.GetStopReasonDataCount();
+ // for (auto i=0; i<excInfoCount; ++i) {
+ // uint64_t exc_data = thread.GetStopReasonDataAtIndex(i);
+ // }
+ } else {
+ response.try_emplace("success", false);
+ }
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "EvaluateRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Evaluate request; value of command field is 'evaluate'.
+// Evaluates the given expression in the context of the
+// top most stack frame. The expression has access to any
+// variables and arguments that are in scope.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "evaluate" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/EvaluateArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "EvaluateArguments": {
+// "type": "object",
+// "description": "Arguments for 'evaluate' request.",
+// "properties": {
+// "expression": {
+// "type": "string",
+// "description": "The expression to evaluate."
+// },
+// "frameId": {
+// "type": "integer",
+// "description": "Evaluate the expression in the scope of this stack
+// frame. If not specified, the expression is evaluated
+// in the global scope."
+// },
+// "context": {
+// "type": "string",
+// "_enum": [ "watch", "repl", "hover" ],
+// "enumDescriptions": [
+// "evaluate is run in a watch.",
+// "evaluate is run from REPL console.",
+// "evaluate is run from a data hover."
+// ],
+// "description": "The context in which the evaluate request is run."
+// },
+// "format": {
+// "$ref": "#/definitions/ValueFormat",
+// "description": "Specifies details on how to format the Evaluate
+// result."
+// }
+// },
+// "required": [ "expression" ]
+// },
+// "EvaluateResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'evaluate' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "result": {
+// "type": "string",
+// "description": "The result of the evaluate request."
+// },
+// "type": {
+// "type": "string",
+// "description": "The optional type of the evaluate result."
+// },
+// "presentationHint": {
+// "$ref": "#/definitions/VariablePresentationHint",
+// "description": "Properties of a evaluate result that can be
+// used to determine how to render the result in
+// the UI."
+// },
+// "variablesReference": {
+// "type": "number",
+// "description": "If variablesReference is > 0, the evaluate
+// result is structured and its children can be
+// retrieved by passing variablesReference to the
+// VariablesRequest."
+// },
+// "namedVariables": {
+// "type": "number",
+// "description": "The number of named child variables. The
+// client can use this optional information to
+// present the variables in a paged UI and fetch
+// them in chunks."
+// },
+// "indexedVariables": {
+// "type": "number",
+// "description": "The number of indexed child variables. The
+// client can use this optional information to
+// present the variables in a paged UI and fetch
+// them in chunks."
+// }
+// },
+// "required": [ "result", "variablesReference" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_evaluate(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ llvm::json::Object body;
+ auto arguments = request.getObject("arguments");
+ lldb::SBFrame frame = g_vsc.GetLLDBFrame(*arguments);
+ const auto expression = GetString(arguments, "expression");
+
+ if (!expression.empty() && expression[0] == '`') {
+ body.try_emplace("result",
+ RunLLDBCommands(llvm::StringRef(),
+ {expression.substr(1)}));
+ body.try_emplace("variablesReference", (int64_t)0);
+ } else {
+ // Always try to get the answer from the local variables if possible. If
+ // this fails, then actually evaluate an expression using the expression
+ // parser. "frame variable" is more reliable than the expression parser in
+ // many cases and it is faster.
+ lldb::SBValue value = frame.GetValueForVariablePath(
+ expression.data(), lldb::eDynamicDontRunTarget);
+ if (value.GetError().Fail())
+ value = frame.EvaluateExpression(expression.data());
+ if (value.GetError().Fail()) {
+ response.try_emplace("success", false);
+ const char *error_cstr = value.GetError().GetCString();
+ if (error_cstr && error_cstr[0])
+ response.try_emplace("message", std::string(error_cstr));
+ else
+ response.try_emplace("message", "evaluate failed");
+ } else {
+ SetValueForKey(value, body, "result");
+ auto value_typename = value.GetType().GetDisplayTypeName();
+ body.try_emplace("type", value_typename ? value_typename : NO_TYPENAME);
+ if (value.MightHaveChildren()) {
+ auto variablesReference = VARIDX_TO_VARREF(g_vsc.variables.GetSize());
+ g_vsc.variables.Append(value);
+ body.try_emplace("variablesReference", variablesReference);
+ } else {
+ body.try_emplace("variablesReference", (int64_t)0);
+ }
+ }
+ }
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "InitializeRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Initialize request; value of command field is
+// 'initialize'.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "initialize" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/InitializeRequestArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "InitializeRequestArguments": {
+// "type": "object",
+// "description": "Arguments for 'initialize' request.",
+// "properties": {
+// "clientID": {
+// "type": "string",
+// "description": "The ID of the (frontend) client using this adapter."
+// },
+// "adapterID": {
+// "type": "string",
+// "description": "The ID of the debug adapter."
+// },
+// "locale": {
+// "type": "string",
+// "description": "The ISO-639 locale of the (frontend) client using
+// this adapter, e.g. en-US or de-CH."
+// },
+// "linesStartAt1": {
+// "type": "boolean",
+// "description": "If true all line numbers are 1-based (default)."
+// },
+// "columnsStartAt1": {
+// "type": "boolean",
+// "description": "If true all column numbers are 1-based (default)."
+// },
+// "pathFormat": {
+// "type": "string",
+// "_enum": [ "path", "uri" ],
+// "description": "Determines in what format paths are specified. The
+// default is 'path', which is the native format."
+// },
+// "supportsVariableType": {
+// "type": "boolean",
+// "description": "Client supports the optional type attribute for
+// variables."
+// },
+// "supportsVariablePaging": {
+// "type": "boolean",
+// "description": "Client supports the paging of variables."
+// },
+// "supportsRunInTerminalRequest": {
+// "type": "boolean",
+// "description": "Client supports the runInTerminal request."
+// }
+// },
+// "required": [ "adapterID" ]
+// },
+// "InitializeResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'initialize' request.",
+// "properties": {
+// "body": {
+// "$ref": "#/definitions/Capabilities",
+// "description": "The capabilities of this debug adapter."
+// }
+// }
+// }]
+// }
+//----------------------------------------------------------------------
+void request_initialize(const llvm::json::Object &request) {
+ g_vsc.debugger = lldb::SBDebugger::Create(true /*source_init_files*/);
+ // Create an empty target right away since we might get breakpoint requests
+ // before we are given an executable to launch in a "launch" request, or a
+ // executable when attaching to a process by process ID in a "attach"
+ // request.
+ FILE *out = fopen(dev_null_path, "w");
+ if (out) {
+ // Set the output and error file handles to redirect into nothing otherwise
+ // if any code in LLDB prints to the debugger file handles, the output and
+ // error file handles are initialized to STDOUT and STDERR and any output
+ // will kill our debug session.
+ g_vsc.debugger.SetOutputFileHandle(out, true);
+ g_vsc.debugger.SetErrorFileHandle(out, false);
+ }
+
+ g_vsc.target = g_vsc.debugger.CreateTarget(nullptr);
+ lldb::SBListener listener = g_vsc.debugger.GetListener();
+ listener.StartListeningForEvents(
+ g_vsc.target.GetBroadcaster(),
+ lldb::SBTarget::eBroadcastBitBreakpointChanged);
+ listener.StartListeningForEvents(g_vsc.broadcaster,
+ eBroadcastBitStopEventThread);
+ // Start our event thread so we can receive events from the debugger, target,
+ // process and more.
+ g_vsc.event_thread = std::thread(EventThreadFunction);
+
+ llvm::json::Object response;
+ FillResponse(request, response);
+ llvm::json::Object body;
+ // The debug adapter supports the configurationDoneRequest.
+ body.try_emplace("supportsConfigurationDoneRequest", true);
+ // The debug adapter supports function breakpoints.
+ body.try_emplace("supportsFunctionBreakpoints", true);
+ // The debug adapter supports conditional breakpoints.
+ body.try_emplace("supportsConditionalBreakpoints", true);
+ // The debug adapter supports breakpoints that break execution after a
+ // specified number of hits.
+ body.try_emplace("supportsHitConditionalBreakpoints", true);
+ // The debug adapter supports a (side effect free) evaluate request for
+ // data hovers.
+ body.try_emplace("supportsEvaluateForHovers", true);
+ // Available filters or options for the setExceptionBreakpoints request.
+ llvm::json::Array filters;
+ for (const auto &exc_bp : g_vsc.exception_breakpoints) {
+ filters.emplace_back(CreateExceptionBreakpointFilter(exc_bp));
+ }
+ body.try_emplace("exceptionBreakpointFilters", std::move(filters));
+ // The debug adapter supports stepping back via the stepBack and
+ // reverseContinue requests.
+ body.try_emplace("supportsStepBack", false);
+ // The debug adapter supports setting a variable to a value.
+ body.try_emplace("supportsSetVariable", true);
+ // The debug adapter supports restarting a frame.
+ body.try_emplace("supportsRestartFrame", false);
+ // The debug adapter supports the gotoTargetsRequest.
+ body.try_emplace("supportsGotoTargetsRequest", false);
+ // The debug adapter supports the stepInTargetsRequest.
+ body.try_emplace("supportsStepInTargetsRequest", false);
+ // The debug adapter supports the completionsRequest.
+ body.try_emplace("supportsCompletionsRequest", false);
+ // The debug adapter supports the modules request.
+ body.try_emplace("supportsModulesRequest", false);
+ // The set of additional module information exposed by the debug adapter.
+ // body.try_emplace("additionalModuleColumns"] = ColumnDescriptor
+ // Checksum algorithms supported by the debug adapter.
+ // body.try_emplace("supportedChecksumAlgorithms"] = ChecksumAlgorithm
+ // The debug adapter supports the RestartRequest. In this case a client
+ // should not implement 'restart' by terminating and relaunching the adapter
+ // but by calling the RestartRequest.
+ body.try_emplace("supportsRestartRequest", false);
+ // The debug adapter supports 'exceptionOptions' on the
+ // setExceptionBreakpoints request.
+ body.try_emplace("supportsExceptionOptions", true);
+ // The debug adapter supports a 'format' attribute on the stackTraceRequest,
+ // variablesRequest, and evaluateRequest.
+ body.try_emplace("supportsValueFormattingOptions", true);
+ // The debug adapter supports the exceptionInfo request.
+ body.try_emplace("supportsExceptionInfoRequest", true);
+ // The debug adapter supports the 'terminateDebuggee' attribute on the
+ // 'disconnect' request.
+ body.try_emplace("supportTerminateDebuggee", true);
+ // The debug adapter supports the delayed loading of parts of the stack,
+ // which requires that both the 'startFrame' and 'levels' arguments and the
+ // 'totalFrames' result of the 'StackTrace' request are supported.
+ body.try_emplace("supportsDelayedStackTraceLoading", true);
+ // The debug adapter supports the 'loadedSources' request.
+ body.try_emplace("supportsLoadedSourcesRequest", false);
+
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "LaunchRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Launch request; value of command field is 'launch'.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "launch" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/LaunchRequestArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "LaunchRequestArguments": {
+// "type": "object",
+// "description": "Arguments for 'launch' request.",
+// "properties": {
+// "noDebug": {
+// "type": "boolean",
+// "description": "If noDebug is true the launch request should launch
+// the program without enabling debugging."
+// }
+// }
+// },
+// "LaunchResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'launch' request. This is just an
+// acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_launch(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ lldb::SBError error;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ g_vsc.init_commands = GetStrings(arguments, "initCommands");
+ g_vsc.pre_run_commands = GetStrings(arguments, "preRunCommands");
+ g_vsc.stop_commands = GetStrings(arguments, "stopCommands");
+ g_vsc.exit_commands = GetStrings(arguments, "exitCommands");
+ g_vsc.stop_at_entry = GetBoolean(arguments, "stopOnEntry", false);
+ const auto debuggerRoot = GetString(arguments, "debuggerRoot");
+
+ // This is a hack for loading DWARF in .o files on Mac where the .o files
+ // in the debug map of the main executable have relative paths which require
+ // the lldb-vscode binary to have its working directory set to that relative
+ // root for the .o files in order to be able to load debug info.
+ if (!debuggerRoot.empty()) {
+ llvm::sys::fs::set_current_path(debuggerRoot.data());
+ }
+
+ SetSourceMapFromArguments(*arguments);
+
+ // Run any initialize LLDB commands the user specified in the launch.json
+ g_vsc.RunInitCommands();
+
+ // Grab the current working directory if there is one and set it in the
+ // launch info.
+ const auto cwd = GetString(arguments, "cwd");
+ if (!cwd.empty())
+ g_vsc.launch_info.SetWorkingDirectory(cwd.data());
+
+ // Grab the name of the program we need to debug and set it as the first
+ // argument that will be passed to the program we will debug.
+ const auto program = GetString(arguments, "program");
+ if (!program.empty()) {
+ lldb::SBFileSpec program_fspec(program.data(), true /*resolve_path*/);
+
+ g_vsc.launch_info.SetExecutableFile(program_fspec,
+ true /*add_as_first_arg*/);
+ const char *target_triple = nullptr;
+ const char *uuid_cstr = nullptr;
+ // Stand alone debug info file if different from executable
+ const char *symfile = nullptr;
+ g_vsc.target.AddModule(program.data(), target_triple, uuid_cstr, symfile);
+ if (error.Fail()) {
+ response.try_emplace("success", false);
+ response.try_emplace("message", std::string(error.GetCString()));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+ }
+ }
+
+ // Extract any extra arguments and append them to our program arguments for
+ // when we launch
+ auto args = GetStrings(arguments, "args");
+ if (!args.empty())
+ g_vsc.launch_info.SetArguments(MakeArgv(args).data(), true);
+
+ // Pass any environment variables along that the user specified.
+ auto envs = GetStrings(arguments, "env");
+ if (!envs.empty())
+ g_vsc.launch_info.SetEnvironmentEntries(MakeArgv(envs).data(), true);
+
+ auto flags = g_vsc.launch_info.GetLaunchFlags();
+
+ if (GetBoolean(arguments, "disableASLR", true))
+ flags |= lldb::eLaunchFlagDisableASLR;
+ if (GetBoolean(arguments, "disableSTDIO", false))
+ flags |= lldb::eLaunchFlagDisableSTDIO;
+ if (GetBoolean(arguments, "shellExpandArguments", false))
+ flags |= lldb::eLaunchFlagShellExpandArguments;
+ const bool detatchOnError = GetBoolean(arguments, "detachOnError", false);
+ g_vsc.launch_info.SetDetachOnError(detatchOnError);
+ g_vsc.launch_info.SetLaunchFlags(flags | lldb::eLaunchFlagDebug |
+ lldb::eLaunchFlagStopAtEntry);
+
+ // Run any pre run LLDB commands the user specified in the launch.json
+ g_vsc.RunPreRunCommands();
+
+ // Disable async events so the launch will be successful when we return from
+ // the launch call and the launch will happen synchronously
+ g_vsc.debugger.SetAsync(false);
+ g_vsc.target.Launch(g_vsc.launch_info, error);
+ if (error.Fail()) {
+ response.try_emplace("success", false);
+ response.try_emplace("message", std::string(error.GetCString()));
+ }
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+
+ SendProcessEvent(Launch);
+ g_vsc.SendJSON(llvm::json::Value(CreateEvent("initialized")));
+ // Reenable async events and start the event thread to catch async events.
+ g_vsc.debugger.SetAsync(true);
+}
+
+//----------------------------------------------------------------------
+// "NextRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Next request; value of command field is 'next'. The
+// request starts the debuggee to run again for one step.
+// The debug adapter first sends the NextResponse and then
+// a StoppedEvent (event type 'step') after the step has
+// completed.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "next" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/NextArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "NextArguments": {
+// "type": "object",
+// "description": "Arguments for 'next' request.",
+// "properties": {
+// "threadId": {
+// "type": "integer",
+// "description": "Execute 'next' for this thread."
+// }
+// },
+// "required": [ "threadId" ]
+// },
+// "NextResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'next' request. This is just an
+// acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_next(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ lldb::SBThread thread = g_vsc.GetLLDBThread(*arguments);
+ if (thread.IsValid()) {
+ // Remember the thread ID that caused the resume so we can set the
+ // "threadCausedFocus" boolean value in the "stopped" events.
+ g_vsc.focus_tid = thread.GetThreadID();
+ thread.StepOver();
+ } else {
+ response.try_emplace("success", false);
+ }
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "PauseRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Pause request; value of command field is 'pause'. The
+// request suspenses the debuggee. The debug adapter first sends the
+// PauseResponse and then a StoppedEvent (event type 'pause') after the
+// thread has been paused successfully.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "pause" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/PauseArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "PauseArguments": {
+// "type": "object",
+// "description": "Arguments for 'pause' request.",
+// "properties": {
+// "threadId": {
+// "type": "integer",
+// "description": "Pause execution for this thread."
+// }
+// },
+// "required": [ "threadId" ]
+// },
+// "PauseResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'pause' request. This is just an
+// acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_pause(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ lldb::SBProcess process = g_vsc.target.GetProcess();
+ lldb::SBError error = process.Stop();
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "ScopesRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Scopes request; value of command field is 'scopes'. The
+// request returns the variable scopes for a given stackframe ID.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "scopes" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/ScopesArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "ScopesArguments": {
+// "type": "object",
+// "description": "Arguments for 'scopes' request.",
+// "properties": {
+// "frameId": {
+// "type": "integer",
+// "description": "Retrieve the scopes for this stackframe."
+// }
+// },
+// "required": [ "frameId" ]
+// },
+// "ScopesResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'scopes' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "scopes": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/Scope"
+// },
+// "description": "The scopes of the stackframe. If the array has
+// length zero, there are no scopes available."
+// }
+// },
+// "required": [ "scopes" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_scopes(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ llvm::json::Object body;
+ auto arguments = request.getObject("arguments");
+ lldb::SBFrame frame = g_vsc.GetLLDBFrame(*arguments);
+ g_vsc.variables.Clear();
+ g_vsc.variables.Append(frame.GetVariables(true, // arguments
+ true, // locals
+ false, // statics
+ true)); // in_scope_only
+ g_vsc.num_locals = g_vsc.variables.GetSize();
+ g_vsc.variables.Append(frame.GetVariables(false, // arguments
+ false, // locals
+ true, // statics
+ true)); // in_scope_only
+ g_vsc.num_globals = g_vsc.variables.GetSize() - (g_vsc.num_locals);
+ g_vsc.variables.Append(frame.GetRegisters());
+ g_vsc.num_regs =
+ g_vsc.variables.GetSize() - (g_vsc.num_locals + g_vsc.num_globals);
+ body.try_emplace("scopes", g_vsc.CreateTopLevelScopes());
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "SetBreakpointsRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "SetBreakpoints request; value of command field is
+// 'setBreakpoints'. Sets multiple breakpoints for a single source and
+// clears all previous breakpoints in that source. To clear all breakpoint
+// for a source, specify an empty array. When a breakpoint is hit, a
+// StoppedEvent (event type 'breakpoint') is generated.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "setBreakpoints" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/SetBreakpointsArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "SetBreakpointsArguments": {
+// "type": "object",
+// "description": "Arguments for 'setBreakpoints' request.",
+// "properties": {
+// "source": {
+// "$ref": "#/definitions/Source",
+// "description": "The source location of the breakpoints; either
+// source.path or source.reference must be specified."
+// },
+// "breakpoints": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/SourceBreakpoint"
+// },
+// "description": "The code locations of the breakpoints."
+// },
+// "lines": {
+// "type": "array",
+// "items": {
+// "type": "integer"
+// },
+// "description": "Deprecated: The code locations of the breakpoints."
+// },
+// "sourceModified": {
+// "type": "boolean",
+// "description": "A value of true indicates that the underlying source
+// has been modified which results in new breakpoint locations."
+// }
+// },
+// "required": [ "source" ]
+// },
+// "SetBreakpointsResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'setBreakpoints' request. Returned is
+// information about each breakpoint created by this request. This includes
+// the actual code location and whether the breakpoint could be verified.
+// The breakpoints returned are in the same order as the elements of the
+// 'breakpoints' (or the deprecated 'lines') in the
+// SetBreakpointsArguments.", "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "breakpoints": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/Breakpoint"
+// },
+// "description": "Information about the breakpoints. The array
+// elements are in the same order as the elements of the
+// 'breakpoints' (or the deprecated 'lines') in the
+// SetBreakpointsArguments."
+// }
+// },
+// "required": [ "breakpoints" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// },
+// "SourceBreakpoint": {
+// "type": "object",
+// "description": "Properties of a breakpoint or logpoint passed to the
+// setBreakpoints request.", "properties": {
+// "line": {
+// "type": "integer",
+// "description": "The source line of the breakpoint or logpoint."
+// },
+// "column": {
+// "type": "integer",
+// "description": "An optional source column of the breakpoint."
+// },
+// "condition": {
+// "type": "string",
+// "description": "An optional expression for conditional breakpoints."
+// },
+// "hitCondition": {
+// "type": "string",
+// "description": "An optional expression that controls how many hits of
+// the breakpoint are ignored. The backend is expected to interpret the
+// expression as needed."
+// },
+// "logMessage": {
+// "type": "string",
+// "description": "If this attribute exists and is non-empty, the backend
+// must not 'break' (stop) but log the message instead. Expressions within
+// {} are interpolated."
+// }
+// },
+// "required": [ "line" ]
+// }
+//----------------------------------------------------------------------
+void request_setBreakpoints(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ lldb::SBError error;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ auto source = arguments->getObject("source");
+ const auto path = GetString(source, "path");
+ auto breakpoints = arguments->getArray("breakpoints");
+ llvm::json::Array response_breakpoints;
+ // Decode the source breakpoint infos for this "setBreakpoints" request
+ SourceBreakpointMap request_bps;
+ for (const auto &bp : *breakpoints) {
+ auto bp_obj = bp.getAsObject();
+ if (bp_obj) {
+ SourceBreakpoint src_bp(*bp_obj);
+ request_bps[src_bp.line] = std::move(src_bp);
+ }
+ }
+
+ // See if we already have breakpoints set for this source file from a
+ // previous "setBreakpoints" request
+ auto old_src_bp_pos = g_vsc.source_breakpoints.find(path);
+ if (old_src_bp_pos != g_vsc.source_breakpoints.end()) {
+
+ // We have already set breakpoints in this source file and they are giving
+ // use a new list of lines to set breakpoints on. Some breakpoints might
+ // already be set, and some might not. We need to remove any breakpoints
+ // whose lines are not contained in the any breakpoints lines in in the
+ // "breakpoints" array.
+
+ // Delete any breakpoints in this source file that aren't in the
+ // request_bps set. There is no call to remove breakpoints other than
+ // calling this function with a smaller or empty "breakpoints" list.
+ std::vector<uint32_t> remove_lines;
+ for (auto &pair: old_src_bp_pos->second) {
+ auto request_pos = request_bps.find(pair.first);
+ if (request_pos == request_bps.end()) {
+ // This breakpoint no longer exists in this source file, delete it
+ g_vsc.target.BreakpointDelete(pair.second.bp.GetID());
+ remove_lines.push_back(pair.first);
+ } else {
+ pair.second.UpdateBreakpoint(request_pos->second);
+ // Remove this breakpopint from the request breakpoints since we have
+ // handled it here and we don't need to set a new breakpoint below.
+ request_bps.erase(request_pos);
+ // Add this breakpoint info to the response
+ AppendBreakpoint(pair.second.bp, response_breakpoints);
+ }
+ }
+ // Remove any lines from this existing source breakpoint map
+ for (auto line: remove_lines)
+ old_src_bp_pos->second.erase(line);
+
+ // Now add any breakpoint infos left over in request_bps are the
+ // breakpoints that weren't set in this source file yet. We need to update
+ // thread source breakpoint info for the source file in the variable
+ // "old_src_bp_pos->second" so the info for this source file is up to date.
+ for (auto &pair : request_bps) {
+ pair.second.SetBreakpoint(path.data());
+ // Add this breakpoint info to the response
+ AppendBreakpoint(pair.second.bp, response_breakpoints);
+ old_src_bp_pos->second[pair.first] = std::move(pair.second);
+ }
+ } else {
+ // No breakpoints were set for this source file yet. Set all breakpoints
+ // for each line and add them to the response and create an entry in
+ // g_vsc.source_breakpoints for this source file.
+ for (auto &pair : request_bps) {
+ pair.second.SetBreakpoint(path.data());
+ // Add this breakpoint info to the response
+ AppendBreakpoint(pair.second.bp, response_breakpoints);
+ }
+ g_vsc.source_breakpoints[path] = std::move(request_bps);
+ }
+
+ llvm::json::Object body;
+ body.try_emplace("breakpoints", std::move(response_breakpoints));
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "SetExceptionBreakpointsRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "SetExceptionBreakpoints request; value of command field
+// is 'setExceptionBreakpoints'. The request configures the debuggers
+// response to thrown exceptions. If an exception is configured to break, a
+// StoppedEvent is fired (event type 'exception').", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "setExceptionBreakpoints" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/SetExceptionBreakpointsArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "SetExceptionBreakpointsArguments": {
+// "type": "object",
+// "description": "Arguments for 'setExceptionBreakpoints' request.",
+// "properties": {
+// "filters": {
+// "type": "array",
+// "items": {
+// "type": "string"
+// },
+// "description": "IDs of checked exception options. The set of IDs is
+// returned via the 'exceptionBreakpointFilters' capability."
+// },
+// "exceptionOptions": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/ExceptionOptions"
+// },
+// "description": "Configuration options for selected exceptions."
+// }
+// },
+// "required": [ "filters" ]
+// },
+// "SetExceptionBreakpointsResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'setExceptionBreakpoints' request. This is
+// just an acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_setExceptionBreakpoints(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ lldb::SBError error;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ auto filters = arguments->getArray("filters");
+ // Keep a list of any exception breakpoint filter names that weren't set
+ // so we can clear any exception breakpoints if needed.
+ std::set<std::string> unset_filters;
+ for (const auto &bp : g_vsc.exception_breakpoints)
+ unset_filters.insert(bp.filter);
+
+ for (const auto &value : *filters) {
+ const auto filter = GetAsString(value);
+ auto exc_bp = g_vsc.GetExceptionBreakpoint(filter);
+ if (exc_bp) {
+ exc_bp->SetBreakpoint();
+ unset_filters.erase(filter);
+ }
+ }
+ for (const auto &filter : unset_filters) {
+ auto exc_bp = g_vsc.GetExceptionBreakpoint(filter);
+ if (exc_bp)
+ exc_bp->ClearBreakpoint();
+ }
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "SetFunctionBreakpointsRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "SetFunctionBreakpoints request; value of command field is
+// 'setFunctionBreakpoints'. Sets multiple function breakpoints and clears
+// all previous function breakpoints. To clear all function breakpoint,
+// specify an empty array. When a function breakpoint is hit, a StoppedEvent
+// (event type 'function breakpoint') is generated.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "setFunctionBreakpoints" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/SetFunctionBreakpointsArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "SetFunctionBreakpointsArguments": {
+// "type": "object",
+// "description": "Arguments for 'setFunctionBreakpoints' request.",
+// "properties": {
+// "breakpoints": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/FunctionBreakpoint"
+// },
+// "description": "The function names of the breakpoints."
+// }
+// },
+// "required": [ "breakpoints" ]
+// },
+// "FunctionBreakpoint": {
+// "type": "object",
+// "description": "Properties of a breakpoint passed to the
+// setFunctionBreakpoints request.", "properties": {
+// "name": {
+// "type": "string",
+// "description": "The name of the function."
+// },
+// "condition": {
+// "type": "string",
+// "description": "An optional expression for conditional breakpoints."
+// },
+// "hitCondition": {
+// "type": "string",
+// "description": "An optional expression that controls how many hits of
+// the breakpoint are ignored. The backend is expected to interpret the
+// expression as needed."
+// }
+// },
+// "required": [ "name" ]
+// },
+// "SetFunctionBreakpointsResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'setFunctionBreakpoints' request. Returned is
+// information about each breakpoint created by this request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "breakpoints": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/Breakpoint"
+// },
+// "description": "Information about the breakpoints. The array
+// elements correspond to the elements of the 'breakpoints' array."
+// }
+// },
+// "required": [ "breakpoints" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_setFunctionBreakpoints(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ lldb::SBError error;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ auto breakpoints = arguments->getArray("breakpoints");
+ FunctionBreakpointMap request_bps;
+ llvm::json::Array response_breakpoints;
+ for (const auto &value : *breakpoints) {
+ auto bp_obj = value.getAsObject();
+ if (bp_obj == nullptr)
+ continue;
+ FunctionBreakpoint func_bp(*bp_obj);
+ request_bps[func_bp.functionName] = std::move(func_bp);
+ }
+
+ std::vector<llvm::StringRef> remove_names;
+ // Disable any function breakpoints that aren't in the request_bps.
+ // There is no call to remove function breakpoints other than calling this
+ // function with a smaller or empty "breakpoints" list.
+ for (auto &pair: g_vsc.function_breakpoints) {
+ auto request_pos = request_bps.find(pair.first());
+ if (request_pos == request_bps.end()) {
+ // This function breakpoint no longer exists delete it from LLDB
+ g_vsc.target.BreakpointDelete(pair.second.bp.GetID());
+ remove_names.push_back(pair.first());
+ } else {
+ // Update the existing breakpoint as any setting withing the function
+ // breakpoint might have changed.
+ pair.second.UpdateBreakpoint(request_pos->second);
+ // Remove this breakpopint from the request breakpoints since we have
+ // handled it here and we don't need to set a new breakpoint below.
+ request_bps.erase(request_pos);
+ // Add this breakpoint info to the response
+ AppendBreakpoint(pair.second.bp, response_breakpoints);
+ }
+ }
+ // Remove any breakpoints that are no longer in our list
+ for (const auto &name: remove_names)
+ g_vsc.function_breakpoints.erase(name);
+
+ // Any breakpoints that are left in "request_bps" are breakpoints that
+ // need to be set.
+ for (auto &pair : request_bps) {
+ pair.second.SetBreakpoint();
+ // Add this breakpoint info to the response
+ AppendBreakpoint(pair.second.bp, response_breakpoints);
+ g_vsc.function_breakpoints[pair.first()] = std::move(pair.second);
+ }
+
+ llvm::json::Object body;
+ body.try_emplace("breakpoints", std::move(response_breakpoints));
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "SourceRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Source request; value of command field is 'source'. The
+// request retrieves the source code for a given source reference.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "source" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/SourceArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "SourceArguments": {
+// "type": "object",
+// "description": "Arguments for 'source' request.",
+// "properties": {
+// "source": {
+// "$ref": "#/definitions/Source",
+// "description": "Specifies the source content to load. Either
+// source.path or source.sourceReference must be specified."
+// },
+// "sourceReference": {
+// "type": "integer",
+// "description": "The reference to the source. This is the same as
+// source.sourceReference. This is provided for backward compatibility
+// since old backends do not understand the 'source' attribute."
+// }
+// },
+// "required": [ "sourceReference" ]
+// },
+// "SourceResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'source' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "content": {
+// "type": "string",
+// "description": "Content of the source reference."
+// },
+// "mimeType": {
+// "type": "string",
+// "description": "Optional content type (mime type) of the source."
+// }
+// },
+// "required": [ "content" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_source(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ llvm::json::Object body;
+
+ auto arguments = request.getObject("arguments");
+ auto source = arguments->getObject("source");
+ auto sourceReference = GetSigned(source, "sourceReference", -1);
+ auto pos = g_vsc.source_map.find((lldb::addr_t)sourceReference);
+ if (pos != g_vsc.source_map.end()) {
+ body.try_emplace("content", pos->second.content);
+ } else {
+ response.try_emplace("success", false);
+ }
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "StackTraceRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "StackTrace request; value of command field is
+// 'stackTrace'. The request returns a stacktrace from the current execution
+// state.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "stackTrace" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/StackTraceArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "StackTraceArguments": {
+// "type": "object",
+// "description": "Arguments for 'stackTrace' request.",
+// "properties": {
+// "threadId": {
+// "type": "integer",
+// "description": "Retrieve the stacktrace for this thread."
+// },
+// "startFrame": {
+// "type": "integer",
+// "description": "The index of the first frame to return; if omitted
+// frames start at 0."
+// },
+// "levels": {
+// "type": "integer",
+// "description": "The maximum number of frames to return. If levels is
+// not specified or 0, all frames are returned."
+// },
+// "format": {
+// "$ref": "#/definitions/StackFrameFormat",
+// "description": "Specifies details on how to format the stack frames."
+// }
+// },
+// "required": [ "threadId" ]
+// },
+// "StackTraceResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'stackTrace' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "stackFrames": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/StackFrame"
+// },
+// "description": "The frames of the stackframe. If the array has
+// length zero, there are no stackframes available. This means that
+// there is no location information available."
+// },
+// "totalFrames": {
+// "type": "integer",
+// "description": "The total number of frames available."
+// }
+// },
+// "required": [ "stackFrames" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_stackTrace(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ lldb::SBError error;
+ auto arguments = request.getObject("arguments");
+ lldb::SBThread thread = g_vsc.GetLLDBThread(*arguments);
+ llvm::json::Array stackFrames;
+ llvm::json::Object body;
+
+ if (thread.IsValid()) {
+ const auto startFrame = GetUnsigned(arguments, "startFrame", 0);
+ const auto levels = GetUnsigned(arguments, "levels", 0);
+ const auto endFrame = (levels == 0) ? INT64_MAX : (startFrame + levels);
+ for (uint32_t i = startFrame; i < endFrame; ++i) {
+ auto frame = thread.GetFrameAtIndex(i);
+ if (!frame.IsValid())
+ break;
+ stackFrames.emplace_back(CreateStackFrame(frame));
+ }
+ }
+ body.try_emplace("stackFrames", std::move(stackFrames));
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "StepInRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "StepIn request; value of command field is 'stepIn'. The
+// request starts the debuggee to step into a function/method if possible.
+// If it cannot step into a target, 'stepIn' behaves like 'next'. The debug
+// adapter first sends the StepInResponse and then a StoppedEvent (event
+// type 'step') after the step has completed. If there are multiple
+// function/method calls (or other targets) on the source line, the optional
+// argument 'targetId' can be used to control into which target the 'stepIn'
+// should occur. The list of possible targets for a given source line can be
+// retrieved via the 'stepInTargets' request.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "stepIn" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/StepInArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "StepInArguments": {
+// "type": "object",
+// "description": "Arguments for 'stepIn' request.",
+// "properties": {
+// "threadId": {
+// "type": "integer",
+// "description": "Execute 'stepIn' for this thread."
+// },
+// "targetId": {
+// "type": "integer",
+// "description": "Optional id of the target to step into."
+// }
+// },
+// "required": [ "threadId" ]
+// },
+// "StepInResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'stepIn' request. This is just an
+// acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_stepIn(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ lldb::SBThread thread = g_vsc.GetLLDBThread(*arguments);
+ if (thread.IsValid()) {
+ // Remember the thread ID that caused the resume so we can set the
+ // "threadCausedFocus" boolean value in the "stopped" events.
+ g_vsc.focus_tid = thread.GetThreadID();
+ thread.StepInto();
+ } else {
+ response.try_emplace("success", false);
+ }
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "StepOutRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "StepOut request; value of command field is 'stepOut'. The
+// request starts the debuggee to run again for one step. The debug adapter
+// first sends the StepOutResponse and then a StoppedEvent (event type
+// 'step') after the step has completed.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "stepOut" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/StepOutArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "StepOutArguments": {
+// "type": "object",
+// "description": "Arguments for 'stepOut' request.",
+// "properties": {
+// "threadId": {
+// "type": "integer",
+// "description": "Execute 'stepOut' for this thread."
+// }
+// },
+// "required": [ "threadId" ]
+// },
+// "StepOutResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'stepOut' request. This is just an
+// acknowledgement, so no body field is required."
+// }]
+// }
+//----------------------------------------------------------------------
+void request_stepOut(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ auto arguments = request.getObject("arguments");
+ lldb::SBThread thread = g_vsc.GetLLDBThread(*arguments);
+ if (thread.IsValid()) {
+ // Remember the thread ID that caused the resume so we can set the
+ // "threadCausedFocus" boolean value in the "stopped" events.
+ g_vsc.focus_tid = thread.GetThreadID();
+ thread.StepOut();
+ } else {
+ response.try_emplace("success", false);
+ }
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "ThreadsRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Thread request; value of command field is 'threads'. The
+// request retrieves a list of all threads.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "threads" ]
+// }
+// },
+// "required": [ "command" ]
+// }]
+// },
+// "ThreadsResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'threads' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "threads": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/Thread"
+// },
+// "description": "All threads."
+// }
+// },
+// "required": [ "threads" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_threads(const llvm::json::Object &request) {
+
+ lldb::SBProcess process = g_vsc.target.GetProcess();
+ llvm::json::Object response;
+ FillResponse(request, response);
+
+ const uint32_t num_threads = process.GetNumThreads();
+ llvm::json::Array threads;
+ for (uint32_t thread_idx = 0; thread_idx < num_threads; ++thread_idx) {
+ lldb::SBThread thread = process.GetThreadAtIndex(thread_idx);
+ threads.emplace_back(CreateThread(thread));
+ }
+ if (threads.size() == 0) {
+ response.try_emplace("success", false);
+ }
+ llvm::json::Object body;
+ body.try_emplace("threads", std::move(threads));
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "SetVariableRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "setVariable request; value of command field is
+// 'setVariable'. Set the variable with the given name in the variable
+// container to a new value.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "setVariable" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/SetVariableArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "SetVariableArguments": {
+// "type": "object",
+// "description": "Arguments for 'setVariable' request.",
+// "properties": {
+// "variablesReference": {
+// "type": "integer",
+// "description": "The reference of the variable container."
+// },
+// "name": {
+// "type": "string",
+// "description": "The name of the variable."
+// },
+// "value": {
+// "type": "string",
+// "description": "The value of the variable."
+// },
+// "format": {
+// "$ref": "#/definitions/ValueFormat",
+// "description": "Specifies details on how to format the response value."
+// }
+// },
+// "required": [ "variablesReference", "name", "value" ]
+// },
+// "SetVariableResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'setVariable' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "value": {
+// "type": "string",
+// "description": "The new value of the variable."
+// },
+// "type": {
+// "type": "string",
+// "description": "The type of the new value. Typically shown in the
+// UI when hovering over the value."
+// },
+// "variablesReference": {
+// "type": "number",
+// "description": "If variablesReference is > 0, the new value is
+// structured and its children can be retrieved by passing
+// variablesReference to the VariablesRequest."
+// },
+// "namedVariables": {
+// "type": "number",
+// "description": "The number of named child variables. The client
+// can use this optional information to present the variables in a
+// paged UI and fetch them in chunks."
+// },
+// "indexedVariables": {
+// "type": "number",
+// "description": "The number of indexed child variables. The client
+// can use this optional information to present the variables in a
+// paged UI and fetch them in chunks."
+// }
+// },
+// "required": [ "value" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_setVariable(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ llvm::json::Array variables;
+ llvm::json::Object body;
+ auto arguments = request.getObject("arguments");
+ // This is a reference to the containing variable/scope
+ const auto variablesReference =
+ GetUnsigned(arguments, "variablesReference", 0);
+ const auto name = GetString(arguments, "name");
+ const auto value = GetString(arguments, "value");
+ // Set success to false just in case we don't find the variable by name
+ response.try_emplace("success", false);
+
+ lldb::SBValue variable;
+ int64_t newVariablesReference = 0;
+
+ // The "id" is the unique integer ID that is unique within the enclosing
+ // variablesReference. It is optionally added to any "interface Variable"
+ // objects to uniquely identify a variable within an enclosing
+ // variablesReference. It helps to disambiguate between two variables that
+ // have the same name within the same scope since the "setVariables" request
+ // only specifies the variable reference of the enclosing scope/variable, and
+ // the name of the variable. We could have two shadowed variables with the
+ // same name in "Locals" or "Globals". In our case the "id" absolute index
+ // of the variable within the the g_vsc.variables list.
+ const auto id_value = GetUnsigned(arguments, "id", UINT64_MAX);
+ if (id_value != UINT64_MAX) {
+ variable = g_vsc.variables.GetValueAtIndex(id_value);
+ } else if (VARREF_IS_SCOPE(variablesReference)) {
+ // variablesReference is one of our scopes, not an actual variable it is
+ // asking for a variable inlocals or globals or registers
+ int64_t start_idx = 0;
+ int64_t end_idx = 0;
+ switch (variablesReference) {
+ case VARREF_LOCALS:
+ start_idx = 0;
+ end_idx = start_idx + g_vsc.num_locals;
+ break;
+ case VARREF_GLOBALS:
+ start_idx = g_vsc.num_locals;
+ end_idx = start_idx + g_vsc.num_globals;
+ break;
+ case VARREF_REGS:
+ start_idx = g_vsc.num_locals + g_vsc.num_globals;
+ end_idx = start_idx + g_vsc.num_regs;
+ break;
+ default:
+ break;
+ }
+
+ // Find the variable by name in the correct scope and hope we don't have
+ // multiple variables with the same name. We search backwards because
+ // the list of variables has the top most variables first and variables
+ // in deeper scopes are last. This means we will catch the deepest
+ // variable whose name matches which is probably what the user wants.
+ for (int64_t i = end_idx - 1; i >= start_idx; --i) {
+ auto curr_variable = g_vsc.variables.GetValueAtIndex(i);
+ llvm::StringRef variable_name(curr_variable.GetName());
+ if (variable_name == name) {
+ variable = curr_variable;
+ if (curr_variable.MightHaveChildren())
+ newVariablesReference = i;
+ break;
+ }
+ }
+ } else {
+ // We have a named item within an actual variable so we need to find it
+ // withing the container variable by name.
+ const int64_t var_idx = VARREF_TO_VARIDX(variablesReference);
+ lldb::SBValue container = g_vsc.variables.GetValueAtIndex(var_idx);
+ variable = container.GetChildMemberWithName(name.data());
+ if (!variable.IsValid()) {
+ if (name.startswith("[")) {
+ llvm::StringRef index_str(name.drop_front(1));
+ uint64_t index = 0;
+ if (!index_str.consumeInteger(0, index)) {
+ if (index_str == "]")
+ variable = container.GetChildAtIndex(index);
+ }
+ }
+ }
+
+ // We don't know the index of the variable in our g_vsc.variables
+ if (variable.IsValid()) {
+ if (variable.MightHaveChildren()) {
+ newVariablesReference = VARIDX_TO_VARREF(g_vsc.variables.GetSize());
+ g_vsc.variables.Append(variable);
+ }
+ }
+ }
+
+ if (variable.IsValid()) {
+ lldb::SBError error;
+ bool success = variable.SetValueFromCString(value.data(), error);
+ if (success) {
+ SetValueForKey(variable, body, "value");
+ body.try_emplace("type", variable.GetType().GetDisplayTypeName());
+ body.try_emplace("variablesReference", newVariablesReference);
+ } else {
+ body.try_emplace("message", std::string(error.GetCString()));
+ }
+ response.try_emplace("success", success);
+ }
+
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+//----------------------------------------------------------------------
+// "VariablesRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Variables request; value of command field is 'variables'.
+// Retrieves all child variables for the given variable reference. An
+// optional filter can be used to limit the fetched children to either named
+// or indexed children.", "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "variables" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/VariablesArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "VariablesArguments": {
+// "type": "object",
+// "description": "Arguments for 'variables' request.",
+// "properties": {
+// "variablesReference": {
+// "type": "integer",
+// "description": "The Variable reference."
+// },
+// "filter": {
+// "type": "string",
+// "enum": [ "indexed", "named" ],
+// "description": "Optional filter to limit the child variables to either
+// named or indexed. If ommited, both types are fetched."
+// },
+// "start": {
+// "type": "integer",
+// "description": "The index of the first variable to return; if omitted
+// children start at 0."
+// },
+// "count": {
+// "type": "integer",
+// "description": "The number of variables to return. If count is missing
+// or 0, all variables are returned."
+// },
+// "format": {
+// "$ref": "#/definitions/ValueFormat",
+// "description": "Specifies details on how to format the Variable
+// values."
+// }
+// },
+// "required": [ "variablesReference" ]
+// },
+// "VariablesResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to 'variables' request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "variables": {
+// "type": "array",
+// "items": {
+// "$ref": "#/definitions/Variable"
+// },
+// "description": "All (or a range) of variables for the given
+// variable reference."
+// }
+// },
+// "required": [ "variables" ]
+// }
+// },
+// "required": [ "body" ]
+// }]
+// }
+//----------------------------------------------------------------------
+void request_variables(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ llvm::json::Array variables;
+ auto arguments = request.getObject("arguments");
+ const auto variablesReference =
+ GetUnsigned(arguments, "variablesReference", 0);
+ const int64_t start = GetSigned(arguments, "start", 0);
+ const int64_t count = GetSigned(arguments, "count", 0);
+ bool hex = false;
+ auto format = arguments->getObject("format");
+ if (format)
+ hex = GetBoolean(format, "hex", false);
+
+ if (VARREF_IS_SCOPE(variablesReference)) {
+ // variablesReference is one of our scopes, not an actual variable it is
+ // asking for the list of args, locals or globals.
+ int64_t start_idx = 0;
+ int64_t num_children = 0;
+ switch (variablesReference) {
+ case VARREF_LOCALS:
+ start_idx = start;
+ num_children = g_vsc.num_locals;
+ break;
+ case VARREF_GLOBALS:
+ start_idx = start + g_vsc.num_locals + start;
+ num_children = g_vsc.num_globals;
+ break;
+ case VARREF_REGS:
+ start_idx = start + g_vsc.num_locals + g_vsc.num_globals;
+ num_children = g_vsc.num_regs;
+ break;
+ default:
+ break;
+ }
+ const int64_t end_idx = start_idx + ((count == 0) ? num_children : count);
+ for (auto i = start_idx; i < end_idx; ++i) {
+ lldb::SBValue variable = g_vsc.variables.GetValueAtIndex(i);
+ if (!variable.IsValid())
+ break;
+ variables.emplace_back(
+ CreateVariable(variable, VARIDX_TO_VARREF(i), i, hex));
+ }
+ } else {
+ // We are expanding a variable that has children, so we will return its
+ // children.
+ const int64_t var_idx = VARREF_TO_VARIDX(variablesReference);
+ lldb::SBValue variable = g_vsc.variables.GetValueAtIndex(var_idx);
+ if (variable.IsValid()) {
+ const auto num_children = variable.GetNumChildren();
+ const int64_t end_idx = start + ((count == 0) ? num_children : count);
+ for (auto i = start; i < end_idx; ++i) {
+ lldb::SBValue child = variable.GetChildAtIndex(i);
+ if (!child.IsValid())
+ break;
+ if (child.MightHaveChildren()) {
+ const int64_t var_idx = g_vsc.variables.GetSize();
+ auto childVariablesReferences = VARIDX_TO_VARREF(var_idx);
+ variables.emplace_back(
+ CreateVariable(child, childVariablesReferences, var_idx, hex));
+ g_vsc.variables.Append(child);
+ } else {
+ variables.emplace_back(CreateVariable(child, 0, INT64_MAX, hex));
+ }
+ }
+ }
+ }
+ llvm::json::Object body;
+ body.try_emplace("variables", std::move(variables));
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+// A request used in testing to get the details on all breakpoints that are
+// currently set in the target. This helps us to test "setBreakpoints" and
+// "setFunctionBreakpoints" requests to verify we have the correct set of
+// breakpoints currently set in LLDB.
+void request__testGetTargetBreakpoints(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ FillResponse(request, response);
+ llvm::json::Array response_breakpoints;
+ for (uint32_t i = 0; g_vsc.target.GetBreakpointAtIndex(i).IsValid(); ++i) {
+ auto bp = g_vsc.target.GetBreakpointAtIndex(i);
+ AppendBreakpoint(bp, response_breakpoints);
+ }
+ llvm::json::Object body;
+ body.try_emplace("breakpoints", std::move(response_breakpoints));
+ response.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+const std::map<std::string, RequestCallback> &GetRequestHandlers() {
+#define REQUEST_CALLBACK(name) \
+ { #name, request_##name }
+ static std::map<std::string, RequestCallback> g_request_handlers = {
+ // VSCode Debug Adaptor requests
+ REQUEST_CALLBACK(attach),
+ REQUEST_CALLBACK(continue),
+ REQUEST_CALLBACK(configurationDone),
+ REQUEST_CALLBACK(disconnect),
+ REQUEST_CALLBACK(evaluate),
+ REQUEST_CALLBACK(exceptionInfo),
+ REQUEST_CALLBACK(initialize),
+ REQUEST_CALLBACK(launch),
+ REQUEST_CALLBACK(next),
+ REQUEST_CALLBACK(pause),
+ REQUEST_CALLBACK(scopes),
+ REQUEST_CALLBACK(setBreakpoints),
+ REQUEST_CALLBACK(setExceptionBreakpoints),
+ REQUEST_CALLBACK(setFunctionBreakpoints),
+ REQUEST_CALLBACK(setVariable),
+ REQUEST_CALLBACK(source),
+ REQUEST_CALLBACK(stackTrace),
+ REQUEST_CALLBACK(stepIn),
+ REQUEST_CALLBACK(stepOut),
+ REQUEST_CALLBACK(threads),
+ REQUEST_CALLBACK(variables),
+ // Testing requests
+ REQUEST_CALLBACK(_testGetTargetBreakpoints),
+ };
+#undef REQUEST_CALLBACK
+ return g_request_handlers;
+}
+
+} // anonymous namespace
+
+int main(int argc, char *argv[]) {
+
+ // Initialize LLDB first before we do anything.
+ lldb::SBDebugger::Initialize();
+
+ if (argc == 2) {
+ const char *arg = argv[1];
+#if !defined(_WIN32)
+ if (strcmp(arg, "-g") == 0) {
+ printf("Paused waiting for debugger to attach (pid = %i)...\n", getpid());
+ pause();
+ } else {
+#else
+ {
+#endif
+ int portno = atoi(arg);
+ printf("Listening on port %i...\n", portno);
+ int socket_fd = AcceptConnection(portno);
+ if (socket_fd >= 0) {
+ // We must open two FILE objects, one for reading and one for writing
+ // the FILE objects have a mutex in them that won't allow reading and
+ // writing to the socket stream.
+ g_vsc.in = fdopen(socket_fd, "r");
+ g_vsc.out = fdopen(socket_fd, "w");
+ if (g_vsc.in == nullptr || g_vsc.out == nullptr) {
+ if (g_vsc.log)
+ *g_vsc.log << "fdopen failed (" << strerror(errno) << ")"
+ << std::endl;
+ exit(1);
+ }
+ } else {
+ exit(1);
+ }
+ }
+ }
+ auto request_handlers = GetRequestHandlers();
+ uint32_t packet_idx = 0;
+ while (true) {
+ std::string json = g_vsc.ReadJSON();
+ if (json.empty())
+ break;
+
+ llvm::StringRef json_sref(json);
+ llvm::Expected<llvm::json::Value> json_value = llvm::json::parse(json_sref);
+ if (!json_value) {
+ auto error = json_value.takeError();
+ if (g_vsc.log) {
+ std::string error_str;
+ llvm::raw_string_ostream strm(error_str);
+ strm << error;
+ strm.flush();
+
+ *g_vsc.log << "error: failed to parse JSON: " << error_str << std::endl
+ << json << std::endl;
+ }
+ return 1;
+ }
+
+ auto object = json_value->getAsObject();
+ if (!object) {
+ if (g_vsc.log)
+ *g_vsc.log << "error: json packet isn't a object" << std::endl;
+ return 1;
+ }
+
+ const auto packet_type = GetString(object, "type");
+ if (packet_type == "request") {
+ const auto command = GetString(object, "command");
+ auto handler_pos = request_handlers.find(command);
+ if (handler_pos != request_handlers.end()) {
+ handler_pos->second(*object);
+ } else {
+ if (g_vsc.log)
+ *g_vsc.log << "error: unhandled command \"" << command.data() << std::endl;
+ return 1;
+ }
+ }
+ ++packet_idx;
+ }
+
+ // We must terminate the debugger in a thread before the C++ destructor
+ // chain messes everything up.
+ lldb::SBDebugger::Terminate();
+ return 0;
+}
--- /dev/null
+{
+ "name": "lldb-vscode",
+ "displayName": "LLDB native Debug stub",
+ "version": "0.1.0",
+ "publisher": "llvm.org",
+ "description": "Debug adapter for LLDB which uses a C++ tool to interface directly with LLDB.",
+ "author": {
+ "name": "Greg Clayton",
+ "email": "clayborg@gmail.com"
+ },
+ "license": "LLVM",
+ "keywords": [
+ "multi-root ready"
+ ],
+ "engines": {
+ "vscode": "^1.18.0",
+ "node": "^7.9.0"
+ },
+ "icon": "images/lldb.png",
+ "categories": [
+ "Debuggers"
+ ],
+ "private": true,
+ "devDependencies": {
+ "@types/node": "7.0.43",
+ "@types/mocha": "2.2.45",
+ "typescript": "2.6.2",
+ "mocha": "4.0.1",
+ "vscode": "1.1.10",
+ "vscode-debugadapter-testsupport": "1.25.0",
+ "tslint": "5.8.0",
+ "vsce": "1.35.0"
+ },
+ "contributes": {
+ "debuggers": [
+ {
+ "type": "lldb-vscode",
+ "label": "Native LLDB Debugger",
+ "enableBreakpointsFor": {
+ "languageIds": [
+ "ada",
+ "arm",
+ "asm",
+ "c",
+ "cpp",
+ "crystal",
+ "d",
+ "fortan",
+ "fortran-modern",
+ "nim",
+ "objective-c",
+ "objectpascal",
+ "pascal",
+ "rust",
+ "swift"
+ ]
+ },
+ "program": "./bin/lldb-vscode",
+ "configurationAttributes": {
+ "launch": {
+ "required": [
+ "program"
+ ],
+ "properties": {
+ "program": {
+ "type": "string",
+ "description": "Path to the program to debug."
+ },
+ "args": {
+ "type": [ "array", "string" ],
+ "description": "Program arguments.",
+ "default": []
+ },
+ "cwd": {
+ "type": "string",
+ "description": "Program working directory.",
+ "default": "${workspaceRoot}"
+ },
+ "env": {
+ "type": "array",
+ "description": "Additional environment variables.",
+ "default": []
+ },
+ "stopOnEntry": {
+ "type": "boolean",
+ "description": "Automatically stop after launch.",
+ "default": false
+ },
+ "disableASLR": {
+ "type": "boolean",
+ "description": "Enable or disable Address space layout randomization if the debugger supports it.",
+ "default": true
+ },
+ "disableSTDIO": {
+ "type": "boolean",
+ "description": "Don't retrieve STDIN, STDOUT and STDERR as the program is running.",
+ "default": false
+ },
+ "shellExpandArguments": {
+ "type": "boolean",
+ "description": "Expand program arguments as a shell would without actually launching the program in a shell.",
+ "default": false
+ },
+ "detachOnError": {
+ "type": "boolean",
+ "description": "Detach from the program.",
+ "default": false
+ },
+ "trace": {
+ "type": "boolean",
+ "description": "Enable logging of the Debug Adapter Protocol.",
+ "default": true
+ },
+ "sourcePath": {
+ "type": "string",
+ "description": "Specify a source path to remap \"./\" to allow full paths to be used when setting breakpoints in binaries that have relative source paths."
+ },
+ "sourceMap": {
+ "type": "array",
+ "description": "Specify an array of path remappings; each element must itself be a two element array containing a source and desination pathname. Overrides sourcePath.",
+ "default": []
+ },
+ "debuggerRoot": {
+ "type": "string",
+ "description": "Specify a working directory to set the debug adaptor to so relative object files can be located."
+ },
+ "initCommands": {
+ "type": "array",
+ "description": "Initialization commands executed upon debugger startup.",
+ "default": []
+ },
+ "preRunCommands": {
+ "type": "array",
+ "description": "Commands executed just before the program is launched.",
+ "default": []
+ },
+ "stopCommands": {
+ "type": "array",
+ "description": "Commands executed each time the program stops.",
+ "default": []
+ },
+ "exitCommands": {
+ "type": "array",
+ "description": "Commands executed at the end of debugging session.",
+ "default": []
+ }
+ }
+ },
+ "attach": {
+ "properties": {
+ "program": {
+ "type": "string",
+ "description": "Path to the program to attach to."
+ },
+ "pid": {
+ "type": [
+ "number",
+ "string"
+ ],
+ "description": "System process ID to attach to."
+ },
+ "waitFor": {
+ "type": "boolean",
+ "description": "If set to true, then wait for the process to launch by looking for a process with a basename that matches `program`. No process ID needs to be specified when using this flag.",
+ "default": true
+ },
+ "trace": {
+ "type": "boolean",
+ "description": "Enable logging of the Debug Adapter Protocol.",
+ "default": true
+ },
+ "sourcePath": {
+ "type": "string",
+ "description": "Specify a source path to remap \"./\" to allow full paths to be used when setting breakpoints in binaries that have relative source paths."
+ },
+ "sourceMap": {
+ "type": "array",
+ "description": "Specify an array of path remappings; each element must itself be a two element array containing a source and desination pathname. Overrides sourcePath.",
+ "default": []
+ },
+ "debuggerRoot": {
+ "type": "string",
+ "description": "Specify a working directory to set the debug adaptor to so relative object files can be located."
+ },
+ "attachCommands": {
+ "type": "array",
+ "description": "Custom commands that are executed instead of attaching to a process ID or to a process by name. These commands may optionally create a new target and must perform an attach. A valid process must exist after these commands complete or the \"attach\" will fail.",
+ "default": []
+ },
+ "initCommands": {
+ "type": "array",
+ "description": "Initialization commands executed upon debugger startup.",
+ "default": []
+ },
+ "preRunCommands": {
+ "type": "array",
+ "description": "Commands executed just before the program is attached to.",
+ "default": []
+ },
+ "stopCommands": {
+ "type": "array",
+ "description": "Commands executed each time the program stops.",
+ "default": []
+ },
+ "exitCommands": {
+ "type": "array",
+ "description": "Commands executed at the end of debugging session.",
+ "default": []
+ }
+ }
+ }
+ },
+ "initialConfigurations": [
+ {
+ "type": "lldb-vscode",
+ "request": "launch",
+ "name": "Debug",
+ "program": "${workspaceRoot}/<your program>",
+ "args": [],
+ "env": [],
+ "cwd": "${workspaceRoot}"
+ }
+ ],
+ "configurationSnippets": [
+ {
+ "label": "LLDB: Launch",
+ "description": "",
+ "body": {
+ "type": "lldb-vscode",
+ "request": "launch",
+ "name": "${2:Launch}",
+ "program": "^\"\\${workspaceRoot}/${1:<your program>}\"",
+ "args": [],
+ "env": [],
+ "cwd": "^\"\\${workspaceRoot}\""
+ }
+ }
+ ]
+ }
+ ]
+ }
+}
projects / platform / upstream / llvm.git / commitdiff