-// Copyright 2009 the V8 project authors. All rights reserved.
+// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
#include "codegen-inl.h"
#include "compilation-cache.h"
#include "compiler.h"
+#include "data-flow.h"
#include "debug.h"
+#include "fast-codegen.h"
+#include "flow-graph.h"
+#include "full-codegen.h"
+#include "liveedit.h"
#include "oprofile-agent.h"
#include "rewriter.h"
#include "scopes.h"
-#include "usage-analyzer.h"
namespace v8 {
namespace internal {
-static Handle<Code> MakeCode(FunctionLiteral* literal,
- Handle<Script> script,
- Handle<Context> context,
- bool is_eval) {
- ASSERT(literal != NULL);
+static Handle<Code> MakeCode(Handle<Context> context, CompilationInfo* info) {
+ FunctionLiteral* function = info->function();
+ ASSERT(function != NULL);
// Rewrite the AST by introducing .result assignments where needed.
- if (!Rewriter::Process(literal) || !AnalyzeVariableUsage(literal)) {
+ if (!Rewriter::Process(function)) {
// Signal a stack overflow by returning a null handle. The stack
// overflow exception will be thrown by the caller.
return Handle<Code>::null();
// the top scope only contains the single lazily compiled function,
// so this doesn't re-allocate variables repeatedly.
HistogramTimerScope timer(&Counters::variable_allocation);
- Scope* top = literal->scope();
+ Scope* top = info->scope();
while (top->outer_scope() != NULL) top = top->outer_scope();
top->AllocateVariables(context);
}
if (Bootstrapper::IsActive() ?
FLAG_print_builtin_scopes :
FLAG_print_scopes) {
- literal->scope()->Print();
+ info->scope()->Print();
}
#endif
// Optimize the AST.
- if (!Rewriter::Optimize(literal)) {
+ if (!Rewriter::Optimize(function)) {
// Signal a stack overflow by returning a null handle. The stack
// overflow exception will be thrown by the caller.
return Handle<Code>::null();
}
- // Generate code and return it.
- Handle<Code> result = CodeGenerator::MakeCode(literal, script, is_eval);
- return result;
+ if (function->scope()->num_parameters() > 0 ||
+ function->scope()->num_stack_slots()) {
+ AssignedVariablesAnalyzer ava(function);
+ ava.Analyze();
+ if (ava.HasStackOverflow()) {
+ return Handle<Code>::null();
+ }
+ }
+
+ if (FLAG_use_flow_graph) {
+ FlowGraphBuilder builder;
+ FlowGraph* graph = builder.Build(function);
+ USE(graph);
+
+#ifdef DEBUG
+ if (FLAG_print_graph_text && !builder.HasStackOverflow()) {
+ graph->PrintAsText(function->name());
+ }
+#endif
+ }
+
+ // Generate code and return it. Code generator selection is governed by
+ // which backends are enabled and whether the function is considered
+ // run-once code or not:
+ //
+ // --full-compiler enables the dedicated backend for code we expect to be
+ // run once
+ // --fast-compiler enables a speculative optimizing backend (for
+ // non-run-once code)
+ //
+ // The normal choice of backend can be overridden with the flags
+ // --always-full-compiler and --always-fast-compiler, which are mutually
+ // incompatible.
+ CHECK(!FLAG_always_full_compiler || !FLAG_always_fast_compiler);
+
+ Handle<SharedFunctionInfo> shared = info->shared_info();
+ bool is_run_once = (shared.is_null())
+ ? info->scope()->is_global_scope()
+ : (shared->is_toplevel() || shared->try_full_codegen());
+
+ if (FLAG_always_full_compiler || (FLAG_full_compiler && is_run_once)) {
+ FullCodeGenSyntaxChecker checker;
+ checker.Check(function);
+ if (checker.has_supported_syntax()) {
+ return FullCodeGenerator::MakeCode(info);
+ }
+ } else if (FLAG_always_fast_compiler ||
+ (FLAG_fast_compiler && !is_run_once)) {
+ FastCodeGenSyntaxChecker checker;
+ checker.Check(info);
+ if (checker.has_supported_syntax()) {
+ return FastCodeGenerator::MakeCode(info);
+ }
+ }
+
+ return CodeGenerator::MakeCode(info);
}
-static bool IsValidJSON(FunctionLiteral* lit) {
- if (!lit->body()->length() == 1)
- return false;
- Statement* stmt = lit->body()->at(0);
- if (stmt->AsExpressionStatement() == NULL)
- return false;
- Expression* expr = stmt->AsExpressionStatement()->expression();
- return expr->IsValidJSON();
+#ifdef ENABLE_DEBUGGER_SUPPORT
+Handle<Code> MakeCodeForLiveEdit(CompilationInfo* info) {
+ Handle<Context> context = Handle<Context>::null();
+ return MakeCode(context, info);
}
+#endif
-static Handle<JSFunction> MakeFunction(bool is_global,
- bool is_eval,
- bool is_json,
- Handle<Script> script,
- Handle<Context> context,
- v8::Extension* extension,
- ScriptDataImpl* pre_data) {
+static Handle<SharedFunctionInfo> MakeFunctionInfo(bool is_global,
+ bool is_eval,
+ Compiler::ValidationState validate,
+ Handle<Script> script,
+ Handle<Context> context,
+ v8::Extension* extension,
+ ScriptDataImpl* pre_data) {
CompilationZoneScope zone_scope(DELETE_ON_EXIT);
- // Make sure we have an initial stack limit.
- StackGuard guard;
PostponeInterruptsScope postpone;
ASSERT(!i::Top::global_context().is_null());
script->set_context_data((*i::Top::global_context())->data());
+ bool is_json = (validate == Compiler::VALIDATE_JSON);
#ifdef ENABLE_DEBUGGER_SUPPORT
if (is_eval || is_json) {
script->set_compilation_type(
// For eval scripts add information on the function from which eval was
// called.
if (is_eval) {
- JavaScriptFrameIterator it;
- script->set_eval_from_function(it.frame()->function());
- int offset = it.frame()->pc() - it.frame()->code()->instruction_start();
- script->set_eval_from_instructions_offset(Smi::FromInt(offset));
+ StackTraceFrameIterator it;
+ if (!it.done()) {
+ script->set_eval_from_shared(
+ JSFunction::cast(it.frame()->function())->shared());
+ int offset = static_cast<int>(
+ it.frame()->pc() - it.frame()->code()->instruction_start());
+ script->set_eval_from_instructions_offset(Smi::FromInt(offset));
+ }
}
}
ASSERT(is_eval || is_global);
// Build AST.
- FunctionLiteral* lit = MakeAST(is_global, script, extension, pre_data);
+ FunctionLiteral* lit =
+ MakeAST(is_global, script, extension, pre_data, is_json);
+
+ LiveEditFunctionTracker live_edit_tracker(lit);
// Check for parse errors.
if (lit == NULL) {
ASSERT(Top::has_pending_exception());
- return Handle<JSFunction>::null();
- }
-
- // When parsing JSON we do an ordinary parse and then afterwards
- // check the AST to ensure it was well-formed. If not we give a
- // syntax error.
- if (is_json && !IsValidJSON(lit)) {
- HandleScope scope;
- Handle<JSArray> args = Factory::NewJSArray(1);
- Handle<Object> source(script->source());
- SetElement(args, 0, source);
- Handle<Object> result = Factory::NewSyntaxError("invalid_json", args);
- Top::Throw(*result, NULL);
- return Handle<JSFunction>::null();
+ return Handle<SharedFunctionInfo>::null();
}
// Measure how long it takes to do the compilation; only take the
HistogramTimerScope timer(rate);
// Compile the code.
- Handle<Code> code = MakeCode(lit, script, context, is_eval);
+ CompilationInfo info(lit, script, is_eval);
+ Handle<Code> code = MakeCode(context, &info);
// Check for stack-overflow exceptions.
if (code.is_null()) {
Top::StackOverflow();
- return Handle<JSFunction>::null();
+ return Handle<SharedFunctionInfo>::null();
}
-#if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT
- // Log the code generation for the script. Check explicit whether logging is
- // to avoid allocating when not required.
- if (Logger::is_logging() || OProfileAgent::is_enabled()) {
- if (script->name()->IsString()) {
- SmartPointer<char> data =
- String::cast(script->name())->ToCString(DISALLOW_NULLS);
- LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG,
- *code, *data));
- OProfileAgent::CreateNativeCodeRegion(*data,
- code->instruction_start(),
- code->instruction_size());
- } else {
- LOG(CodeCreateEvent(is_eval ? Logger::EVAL_TAG : Logger::SCRIPT_TAG,
- *code, ""));
- OProfileAgent::CreateNativeCodeRegion(is_eval ? "Eval" : "Script",
- code->instruction_start(),
- code->instruction_size());
- }
+ if (script->name()->IsString()) {
+ PROFILE(CodeCreateEvent(
+ is_eval ? Logger::EVAL_TAG :
+ Logger::ToNativeByScript(Logger::SCRIPT_TAG, *script),
+ *code, String::cast(script->name())));
+ OPROFILE(CreateNativeCodeRegion(String::cast(script->name()),
+ code->instruction_start(),
+ code->instruction_size()));
+ } else {
+ PROFILE(CodeCreateEvent(
+ is_eval ? Logger::EVAL_TAG :
+ Logger::ToNativeByScript(Logger::SCRIPT_TAG, *script),
+ *code, ""));
+ OPROFILE(CreateNativeCodeRegion(is_eval ? "Eval" : "Script",
+ code->instruction_start(),
+ code->instruction_size()));
}
-#endif
// Allocate function.
- Handle<JSFunction> fun =
- Factory::NewFunctionBoilerplate(lit->name(),
- lit->materialized_literal_count(),
- lit->contains_array_literal(),
- code);
-
- CodeGenerator::SetFunctionInfo(fun, lit->scope()->num_parameters(),
- RelocInfo::kNoPosition,
- lit->start_position(), lit->end_position(),
- lit->is_expression(), true, script,
- lit->inferred_name());
+ Handle<SharedFunctionInfo> result =
+ Factory::NewSharedFunctionInfo(lit->name(),
+ lit->materialized_literal_count(),
+ code);
+
+ ASSERT_EQ(RelocInfo::kNoPosition, lit->function_token_position());
+ Compiler::SetFunctionInfo(result, lit, true, script);
// Hint to the runtime system used when allocating space for initial
// property space by setting the expected number of properties for
// the instances of the function.
- SetExpectedNofPropertiesFromEstimate(fun, lit->expected_property_count());
+ SetExpectedNofPropertiesFromEstimate(result, lit->expected_property_count());
#ifdef ENABLE_DEBUGGER_SUPPORT
// Notify debugger
- Debugger::OnAfterCompile(script, fun);
+ Debugger::OnAfterCompile(script, Debugger::NO_AFTER_COMPILE_FLAGS);
#endif
- return fun;
+ live_edit_tracker.RecordFunctionInfo(result, lit);
+
+ return result;
}
static StaticResource<SafeStringInputBuffer> safe_string_input_buffer;
-Handle<JSFunction> Compiler::Compile(Handle<String> source,
- Handle<Object> script_name,
- int line_offset, int column_offset,
- v8::Extension* extension,
- ScriptDataImpl* input_pre_data) {
+Handle<SharedFunctionInfo> Compiler::Compile(Handle<String> source,
+ Handle<Object> script_name,
+ int line_offset,
+ int column_offset,
+ v8::Extension* extension,
+ ScriptDataImpl* input_pre_data,
+ Handle<Object> script_data,
+ NativesFlag natives) {
int source_length = source->length();
Counters::total_load_size.Increment(source_length);
Counters::total_compile_size.Increment(source_length);
VMState state(COMPILER);
// Do a lookup in the compilation cache but not for extensions.
- Handle<JSFunction> result;
+ Handle<SharedFunctionInfo> result;
if (extension == NULL) {
result = CompilationCache::LookupScript(source,
script_name,
if (pre_data == NULL && source_length >= FLAG_min_preparse_length) {
Access<SafeStringInputBuffer> buf(&safe_string_input_buffer);
buf->Reset(source.location());
- pre_data = PreParse(buf.value(), extension);
+ pre_data = PreParse(source, buf.value(), extension);
}
// Create a script object describing the script to be compiled.
Handle<Script> script = Factory::NewScript(source);
+ if (natives == NATIVES_CODE) {
+ script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
+ }
if (!script_name.is_null()) {
script->set_name(*script_name);
script->set_line_offset(Smi::FromInt(line_offset));
script->set_column_offset(Smi::FromInt(column_offset));
}
+ script->set_data(script_data.is_null() ? Heap::undefined_value()
+ : *script_data);
+
// Compile the function and add it to the cache.
- result = MakeFunction(true,
- false,
- false,
- script,
- Handle<Context>::null(),
- extension,
- pre_data);
+ result = MakeFunctionInfo(true,
+ false,
+ DONT_VALIDATE_JSON,
+ script,
+ Handle<Context>::null(),
+ extension,
+ pre_data);
if (extension == NULL && !result.is_null()) {
CompilationCache::PutScript(source, result);
}
}
-Handle<JSFunction> Compiler::CompileEval(Handle<String> source,
- Handle<Context> context,
- bool is_global,
- bool is_json) {
+Handle<SharedFunctionInfo> Compiler::CompileEval(Handle<String> source,
+ Handle<Context> context,
+ bool is_global,
+ ValidationState validate) {
+ // Note that if validation is required then no path through this
+ // function is allowed to return a value without validating that
+ // the input is legal json.
+
int source_length = source->length();
Counters::total_eval_size.Increment(source_length);
Counters::total_compile_size.Increment(source_length);
VMState state(COMPILER);
// Do a lookup in the compilation cache; if the entry is not there,
- // invoke the compiler and add the result to the cache.
- Handle<JSFunction> result =
- CompilationCache::LookupEval(source, context, is_global);
+ // invoke the compiler and add the result to the cache. If we're
+ // evaluating json we bypass the cache since we can't be sure a
+ // potential value in the cache has been validated.
+ Handle<SharedFunctionInfo> result;
+ if (validate == DONT_VALIDATE_JSON)
+ result = CompilationCache::LookupEval(source, context, is_global);
+
if (result.is_null()) {
// Create a script object describing the script to be compiled.
Handle<Script> script = Factory::NewScript(source);
- result = MakeFunction(is_global,
- true,
- is_json,
- script,
- context,
- NULL,
- NULL);
- if (!result.is_null()) {
+ result = MakeFunctionInfo(is_global,
+ true,
+ validate,
+ script,
+ context,
+ NULL,
+ NULL);
+ if (!result.is_null() && validate != VALIDATE_JSON) {
+ // For json it's unlikely that we'll ever see exactly the same
+ // string again so we don't use the compilation cache.
CompilationCache::PutEval(source, context, is_global, result);
}
}
}
-bool Compiler::CompileLazy(Handle<SharedFunctionInfo> shared,
- int loop_nesting) {
+bool Compiler::CompileLazy(CompilationInfo* info) {
CompilationZoneScope zone_scope(DELETE_ON_EXIT);
// The VM is in the COMPILER state until exiting this function.
VMState state(COMPILER);
- // Make sure we have an initial stack limit.
- StackGuard guard;
PostponeInterruptsScope postpone;
// Compute name, source code and script data.
+ Handle<SharedFunctionInfo> shared = info->shared_info();
Handle<String> name(String::cast(shared->name()));
- Handle<Script> script(Script::cast(shared->script()));
int start_position = shared->start_position();
int end_position = shared->end_position();
// Generate the AST for the lazily compiled function. The AST may be
// NULL in case of parser stack overflow.
- FunctionLiteral* lit = MakeLazyAST(script, name,
+ FunctionLiteral* lit = MakeLazyAST(info->script(),
+ name,
start_position,
end_position,
is_expression);
ASSERT(Top::has_pending_exception());
return false;
}
-
- // Update the loop nesting in the function literal.
- lit->set_loop_nesting(loop_nesting);
+ info->set_function(lit);
// Measure how long it takes to do the lazy compilation; only take
// the rest of the function into account to avoid overlap with the
HistogramTimerScope timer(&Counters::compile_lazy);
// Compile the code.
- Handle<Code> code = MakeCode(lit, script, Handle<Context>::null(), false);
+ Handle<Code> code = MakeCode(Handle<Context>::null(), info);
// Check for stack-overflow exception.
if (code.is_null()) {
return false;
}
-#if defined ENABLE_LOGGING_AND_PROFILING || defined ENABLE_OPROFILE_AGENT
- // Log the code generation. If source information is available include script
- // name and line number. Check explicit whether logging is enabled as finding
- // the line number is not for free.
- if (Logger::is_logging() || OProfileAgent::is_enabled()) {
- Handle<String> func_name(name->length() > 0 ?
- *name : shared->inferred_name());
- if (script->name()->IsString()) {
- int line_num = GetScriptLineNumber(script, start_position) + 1;
- LOG(CodeCreateEvent(Logger::LAZY_COMPILE_TAG, *code, *func_name,
- String::cast(script->name()), line_num));
- OProfileAgent::CreateNativeCodeRegion(*func_name,
- String::cast(script->name()),
- line_num,
- code->instruction_start(),
- code->instruction_size());
- } else {
- LOG(CodeCreateEvent(Logger::LAZY_COMPILE_TAG, *code, *func_name));
- OProfileAgent::CreateNativeCodeRegion(*func_name,
- code->instruction_start(),
- code->instruction_size());
- }
- }
-#endif
+ RecordFunctionCompilation(Logger::LAZY_COMPILE_TAG,
+ name,
+ Handle<String>(shared->inferred_name()),
+ start_position,
+ info->script(),
+ code);
// Update the shared function info with the compiled code.
shared->set_code(*code);
// Set the expected number of properties for instances.
SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count());
+ // Set the optimication hints after performing lazy compilation, as these are
+ // not set when the function is set up as a lazily compiled function.
+ shared->SetThisPropertyAssignmentsInfo(
+ lit->has_only_simple_this_property_assignments(),
+ *lit->this_property_assignments());
+
// Check the function has compiled code.
ASSERT(shared->is_compiled());
return true;
}
+Handle<SharedFunctionInfo> Compiler::BuildFunctionInfo(FunctionLiteral* literal,
+ Handle<Script> script,
+ AstVisitor* caller) {
+ LiveEditFunctionTracker live_edit_tracker(literal);
+#ifdef DEBUG
+ // We should not try to compile the same function literal more than
+ // once.
+ literal->mark_as_compiled();
+#endif
+
+ // Determine if the function can be lazily compiled. This is
+ // necessary to allow some of our builtin JS files to be lazily
+ // compiled. These builtins cannot be handled lazily by the parser,
+ // since we have to know if a function uses the special natives
+ // syntax, which is something the parser records.
+ bool allow_lazy = literal->AllowsLazyCompilation() &&
+ !LiveEditFunctionTracker::IsActive();
+
+ // Generate code
+ Handle<Code> code;
+ if (FLAG_lazy && allow_lazy) {
+ code = ComputeLazyCompile(literal->num_parameters());
+ } else {
+ // The bodies of function literals have not yet been visited by
+ // the AST optimizer/analyzer.
+ if (!Rewriter::Optimize(literal)) {
+ return Handle<SharedFunctionInfo>::null();
+ }
+
+ if (literal->scope()->num_parameters() > 0 ||
+ literal->scope()->num_stack_slots()) {
+ AssignedVariablesAnalyzer ava(literal);
+ ava.Analyze();
+ if (ava.HasStackOverflow()) {
+ return Handle<SharedFunctionInfo>::null();
+ }
+ }
+
+ if (FLAG_use_flow_graph) {
+ FlowGraphBuilder builder;
+ FlowGraph* graph = builder.Build(literal);
+ USE(graph);
+
+#ifdef DEBUG
+ if (FLAG_print_graph_text && !builder.HasStackOverflow()) {
+ graph->PrintAsText(literal->name());
+ }
+#endif
+ }
+
+ // Generate code and return it. The way that the compilation mode
+ // is controlled by the command-line flags is described in
+ // the static helper function MakeCode.
+ CompilationInfo info(literal, script, false);
+
+ CHECK(!FLAG_always_full_compiler || !FLAG_always_fast_compiler);
+ bool is_run_once = literal->try_full_codegen();
+ bool is_compiled = false;
+ if (FLAG_always_full_compiler || (FLAG_full_compiler && is_run_once)) {
+ FullCodeGenSyntaxChecker checker;
+ checker.Check(literal);
+ if (checker.has_supported_syntax()) {
+ code = FullCodeGenerator::MakeCode(&info);
+ is_compiled = true;
+ }
+ } else if (FLAG_always_fast_compiler ||
+ (FLAG_fast_compiler && !is_run_once)) {
+ // Since we are not lazily compiling we do not have a receiver to
+ // specialize for.
+ FastCodeGenSyntaxChecker checker;
+ checker.Check(&info);
+ if (checker.has_supported_syntax()) {
+ code = FastCodeGenerator::MakeCode(&info);
+ is_compiled = true;
+ }
+ }
+
+ if (!is_compiled) {
+ // We fall back to the classic V8 code generator.
+ code = CodeGenerator::MakeCode(&info);
+ }
+
+ // Check for stack-overflow exception.
+ if (code.is_null()) {
+ caller->SetStackOverflow();
+ return Handle<SharedFunctionInfo>::null();
+ }
+
+ // Function compilation complete.
+ RecordFunctionCompilation(Logger::FUNCTION_TAG,
+ literal->name(),
+ literal->inferred_name(),
+ literal->start_position(),
+ script,
+ code);
+ }
+
+ // Create a shared function info object.
+ Handle<SharedFunctionInfo> result =
+ Factory::NewSharedFunctionInfo(literal->name(),
+ literal->materialized_literal_count(),
+ code);
+ SetFunctionInfo(result, literal, false, script);
+
+ // Set the expected number of properties for instances and return
+ // the resulting function.
+ SetExpectedNofPropertiesFromEstimate(result,
+ literal->expected_property_count());
+ live_edit_tracker.RecordFunctionInfo(result, literal);
+ return result;
+}
+
+
+// Sets the function info on a function.
+// The start_position points to the first '(' character after the function name
+// in the full script source. When counting characters in the script source the
+// the first character is number 0 (not 1).
+void Compiler::SetFunctionInfo(Handle<SharedFunctionInfo> function_info,
+ FunctionLiteral* lit,
+ bool is_toplevel,
+ Handle<Script> script) {
+ function_info->set_length(lit->num_parameters());
+ function_info->set_formal_parameter_count(lit->num_parameters());
+ function_info->set_script(*script);
+ function_info->set_function_token_position(lit->function_token_position());
+ function_info->set_start_position(lit->start_position());
+ function_info->set_end_position(lit->end_position());
+ function_info->set_is_expression(lit->is_expression());
+ function_info->set_is_toplevel(is_toplevel);
+ function_info->set_inferred_name(*lit->inferred_name());
+ function_info->SetThisPropertyAssignmentsInfo(
+ lit->has_only_simple_this_property_assignments(),
+ *lit->this_property_assignments());
+ function_info->set_try_full_codegen(lit->try_full_codegen());
+}
+
+
+void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag,
+ Handle<String> name,
+ Handle<String> inferred_name,
+ int start_position,
+ Handle<Script> script,
+ Handle<Code> code) {
+ // Log the code generation. If source information is available
+ // include script name and line number. Check explicitly whether
+ // logging is enabled as finding the line number is not free.
+ if (Logger::is_logging()
+ || OProfileAgent::is_enabled()
+ || CpuProfiler::is_profiling()) {
+ Handle<String> func_name(name->length() > 0 ? *name : *inferred_name);
+ if (script->name()->IsString()) {
+ int line_num = GetScriptLineNumber(script, start_position) + 1;
+ USE(line_num);
+ PROFILE(CodeCreateEvent(Logger::ToNativeByScript(tag, *script),
+ *code, *func_name,
+ String::cast(script->name()), line_num));
+ OPROFILE(CreateNativeCodeRegion(*func_name,
+ String::cast(script->name()),
+ line_num,
+ code->instruction_start(),
+ code->instruction_size()));
+ } else {
+ PROFILE(CodeCreateEvent(Logger::ToNativeByScript(tag, *script),
+ *code, *func_name));
+ OPROFILE(CreateNativeCodeRegion(*func_name,
+ code->instruction_start(),
+ code->instruction_size()));
+ }
+ }
+}
+
} } // namespace v8::internal
projects / platform / upstream / nodejs.git / blobdiff