// First fill all parameters.
for (int i = 0; i < scope_info->ParameterCount(); ++i) {
+ Handle<String> name(scope_info->ParameterName(i));
+ VariableMode mode;
+ InitializationFlag init_flag;
+ // Do not materialize the parameter if it is shadowed by a context local.
+ if (scope_info->ContextSlotIndex(*name, &mode, &init_flag) != -1) continue;
+
Handle<Object> value(i < frame_inspector->GetParametersCount()
? frame_inspector->GetParameter(i)
: isolate->heap()->undefined_value(),
RETURN_IF_EMPTY_HANDLE_VALUE(
isolate,
- Runtime::SetObjectProperty(isolate,
- target,
- Handle<String>(scope_info->ParameterName(i)),
- value,
- NONE,
- kNonStrictMode),
+ Runtime::SetObjectProperty(
+ isolate, target, name, value, NONE, kNonStrictMode),
Handle<JSObject>());
}
// Second fill all stack locals.
for (int i = 0; i < scope_info->StackLocalCount(); ++i) {
+ Handle<String> name(scope_info->StackLocalName(i));
Handle<Object> value(frame_inspector->GetExpression(i), isolate);
if (value->IsTheHole()) continue;
RETURN_IF_EMPTY_HANDLE_VALUE(
isolate,
Runtime::SetObjectProperty(
- isolate,
- target,
- Handle<String>(scope_info->StackLocalName(i)),
- value,
- NONE,
- kNonStrictMode),
+ isolate, target, name, value, NONE, kNonStrictMode),
Handle<JSObject>());
}
--- /dev/null
+// Copyright 2013 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:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose-debug-as debug
+
+// If a function parameter is forced to be context allocated,
+// debug evaluate need to resolve it to a context slot instead of
+// parameter slot on the stack.
+
+var Debug = debug.Debug;
+
+var expected;
+var exception = null;
+
+function listener(event, exec_state, event_data, data) {
+ if (event != Debug.DebugEvent.Break) return;
+ try {
+ assertEquals(expected, exec_state.frame(0).evaluate('arg').value());
+ exec_state.frame(0).evaluate('arg = "evaluated";');
+ } catch (e) {
+ exception = e;
+ }
+}
+
+Debug.setListener(listener);
+
+function f(arg) {
+ expected = arg;
+ debugger;
+ assertEquals("evaluated", arg);
+
+ arg = "value";
+ expected = arg;
+ debugger;
+ assertEquals("evaluated", arg);
+
+ // Forces arg to be context allocated even though a parameter.
+ function g() { arg; }
+}
+
+f();
+f(1);
+f(1, 2);
+
+assertNull(exception);