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| 1 /* | 1 /* |
| 2 * Copyright (c) 2010 Google Inc. All rights reserved. | 2 * Copyright (c) 2010 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 28 matching lines...) Expand all Loading... |
| 39 #include "core/inspector/ScriptCallStack.h" | 39 #include "core/inspector/ScriptCallStack.h" |
| 40 #include "platform/JSONValues.h" | 40 #include "platform/JSONValues.h" |
| 41 #include "wtf/text/StringBuilder.h" | 41 #include "wtf/text/StringBuilder.h" |
| 42 | 42 |
| 43 #include <v8-debug.h> | 43 #include <v8-debug.h> |
| 44 | 44 |
| 45 namespace blink { | 45 namespace blink { |
| 46 | 46 |
| 47 class ExecutionContext; | 47 class ExecutionContext; |
| 48 | 48 |
| 49 static ScriptCallFrame toScriptCallFrame(v8::Handle<v8::StackFrame> frame) | 49 static ScriptCallFrame toScriptCallFrame(v8::Local<v8::StackFrame> frame) |
| 50 { | 50 { |
| 51 StringBuilder stringBuilder; | 51 StringBuilder stringBuilder; |
| 52 stringBuilder.appendNumber(frame->GetScriptId()); | 52 stringBuilder.appendNumber(frame->GetScriptId()); |
| 53 String scriptId = stringBuilder.toString(); | 53 String scriptId = stringBuilder.toString(); |
| 54 String sourceName; | 54 String sourceName; |
| 55 v8::Local<v8::String> sourceNameValue(frame->GetScriptNameOrSourceURL()); | 55 v8::Local<v8::String> sourceNameValue(frame->GetScriptNameOrSourceURL()); |
| 56 if (!sourceNameValue.IsEmpty()) | 56 if (!sourceNameValue.IsEmpty()) |
| 57 sourceName = toCoreString(sourceNameValue); | 57 sourceName = toCoreString(sourceNameValue); |
| 58 | 58 |
| 59 String functionName; | 59 String functionName; |
| 60 v8::Local<v8::String> functionNameValue(frame->GetFunctionName()); | 60 v8::Local<v8::String> functionNameValue(frame->GetFunctionName()); |
| 61 if (!functionNameValue.IsEmpty()) | 61 if (!functionNameValue.IsEmpty()) |
| 62 functionName = toCoreString(functionNameValue); | 62 functionName = toCoreString(functionNameValue); |
| 63 | 63 |
| 64 int sourceLineNumber = frame->GetLineNumber(); | 64 int sourceLineNumber = frame->GetLineNumber(); |
| 65 int sourceColumn = frame->GetColumn(); | 65 int sourceColumn = frame->GetColumn(); |
| 66 return ScriptCallFrame(functionName, scriptId, sourceName, sourceLineNumber,
sourceColumn); | 66 return ScriptCallFrame(functionName, scriptId, sourceName, sourceLineNumber,
sourceColumn); |
| 67 } | 67 } |
| 68 | 68 |
| 69 static void toScriptCallFramesVector(v8::Handle<v8::StackTrace> stackTrace, Vect
or<ScriptCallFrame>& scriptCallFrames, size_t maxStackSize, bool emptyStackIsAll
owed, v8::Isolate* isolate) | 69 static void toScriptCallFramesVector(v8::Local<v8::StackTrace> stackTrace, Vecto
r<ScriptCallFrame>& scriptCallFrames, size_t maxStackSize, bool emptyStackIsAllo
wed, v8::Isolate* isolate) |
| 70 { | 70 { |
| 71 ASSERT(isolate->InContext()); | 71 ASSERT(isolate->InContext()); |
| 72 int frameCount = stackTrace->GetFrameCount(); | 72 int frameCount = stackTrace->GetFrameCount(); |
| 73 if (frameCount > static_cast<int>(maxStackSize)) | 73 if (frameCount > static_cast<int>(maxStackSize)) |
| 74 frameCount = maxStackSize; | 74 frameCount = maxStackSize; |
| 75 for (int i = 0; i < frameCount; i++) { | 75 for (int i = 0; i < frameCount; i++) { |
| 76 v8::Local<v8::StackFrame> stackFrame = stackTrace->GetFrame(i); | 76 v8::Local<v8::StackFrame> stackFrame = stackTrace->GetFrame(i); |
| 77 scriptCallFrames.append(toScriptCallFrame(stackFrame)); | 77 scriptCallFrames.append(toScriptCallFrame(stackFrame)); |
| 78 } | 78 } |
| 79 if (!frameCount && !emptyStackIsAllowed) { | 79 if (!frameCount && !emptyStackIsAllowed) { |
| 80 // Successfully grabbed stack trace, but there are no frames. It may hap
pen in case | 80 // Successfully grabbed stack trace, but there are no frames. It may hap
pen in case |
| 81 // when a bound function is called from native code for example. | 81 // when a bound function is called from native code for example. |
| 82 // Fallback to setting lineNumber to 0, and source and function name to
"undefined". | 82 // Fallback to setting lineNumber to 0, and source and function name to
"undefined". |
| 83 scriptCallFrames.append(ScriptCallFrame()); | 83 scriptCallFrames.append(ScriptCallFrame()); |
| 84 } | 84 } |
| 85 } | 85 } |
| 86 | 86 |
| 87 static PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(v8::Isolate
* isolate, v8::Handle<v8::StackTrace> stackTrace, size_t maxStackSize, bool empt
yStackIsAllowed) | 87 static PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(v8::Isolate
* isolate, v8::Local<v8::StackTrace> stackTrace, size_t maxStackSize, bool empty
StackIsAllowed) |
| 88 { | 88 { |
| 89 ASSERT(isolate->InContext()); | 89 ASSERT(isolate->InContext()); |
| 90 ASSERT(!stackTrace.IsEmpty()); | 90 ASSERT(!stackTrace.IsEmpty()); |
| 91 v8::HandleScope scope(isolate); | 91 v8::HandleScope scope(isolate); |
| 92 Vector<ScriptCallFrame> scriptCallFrames; | 92 Vector<ScriptCallFrame> scriptCallFrames; |
| 93 toScriptCallFramesVector(stackTrace, scriptCallFrames, maxStackSize, emptySt
ackIsAllowed, isolate); | 93 toScriptCallFramesVector(stackTrace, scriptCallFrames, maxStackSize, emptySt
ackIsAllowed, isolate); |
| 94 RefPtrWillBeRawPtr<ScriptCallStack> callStack = ScriptCallStack::create(scri
ptCallFrames); | 94 RefPtrWillBeRawPtr<ScriptCallStack> callStack = ScriptCallStack::create(scri
ptCallFrames); |
| 95 if (InspectorInstrumentation::hasFrontends() && maxStackSize > 1) | 95 if (InspectorInstrumentation::hasFrontends() && maxStackSize > 1) |
| 96 InspectorInstrumentation::appendAsyncCallStack(currentExecutionContext(i
solate), callStack.get()); | 96 InspectorInstrumentation::appendAsyncCallStack(currentExecutionContext(i
solate), callStack.get()); |
| 97 return callStack.release(); | 97 return callStack.release(); |
| 98 } | 98 } |
| 99 | 99 |
| 100 PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(v8::Isolate* isola
te, v8::Handle<v8::StackTrace> stackTrace, size_t maxStackSize) | 100 PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(v8::Isolate* isola
te, v8::Local<v8::StackTrace> stackTrace, size_t maxStackSize) |
| 101 { | 101 { |
| 102 return createScriptCallStack(isolate, stackTrace, maxStackSize, true); | 102 return createScriptCallStack(isolate, stackTrace, maxStackSize, true); |
| 103 } | 103 } |
| 104 | 104 |
| 105 PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(size_t maxStackSiz
e, bool emptyStackIsAllowed) | 105 PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStack(size_t maxStackSiz
e, bool emptyStackIsAllowed) |
| 106 { | 106 { |
| 107 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | 107 v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| 108 if (!isolate->InContext()) | 108 if (!isolate->InContext()) |
| 109 return nullptr; | 109 return nullptr; |
| 110 v8::HandleScope handleScope(isolate); | 110 v8::HandleScope handleScope(isolate); |
| 111 v8::Handle<v8::StackTrace> stackTrace(v8::StackTrace::CurrentStackTrace(isol
ate, maxStackSize, stackTraceOptions)); | 111 v8::Local<v8::StackTrace> stackTrace(v8::StackTrace::CurrentStackTrace(isola
te, maxStackSize, stackTraceOptions)); |
| 112 return createScriptCallStack(isolate, stackTrace, maxStackSize, emptyStackIs
Allowed); | 112 return createScriptCallStack(isolate, stackTrace, maxStackSize, emptyStackIs
Allowed); |
| 113 } | 113 } |
| 114 | 114 |
| 115 PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStackForConsole(size_t m
axStackSize, bool emptyStackIsAllowed) | 115 PassRefPtrWillBeRawPtr<ScriptCallStack> createScriptCallStackForConsole(size_t m
axStackSize, bool emptyStackIsAllowed) |
| 116 { | 116 { |
| 117 size_t stackSize = 1; | 117 size_t stackSize = 1; |
| 118 if (InspectorInstrumentation::hasFrontends()) { | 118 if (InspectorInstrumentation::hasFrontends()) { |
| 119 v8::Isolate* isolate = v8::Isolate::GetCurrent(); | 119 v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| 120 if (!isolate->InContext()) | 120 if (!isolate->InContext()) |
| 121 return nullptr; | 121 return nullptr; |
| 122 if (InspectorInstrumentation::consoleAgentEnabled(currentExecutionContex
t(isolate))) | 122 if (InspectorInstrumentation::consoleAgentEnabled(currentExecutionContex
t(isolate))) |
| 123 stackSize = maxStackSize; | 123 stackSize = maxStackSize; |
| 124 } | 124 } |
| 125 return createScriptCallStack(stackSize, emptyStackIsAllowed); | 125 return createScriptCallStack(stackSize, emptyStackIsAllowed); |
| 126 } | 126 } |
| 127 | 127 |
| 128 PassRefPtrWillBeRawPtr<ScriptArguments> createScriptArguments(ScriptState* scrip
tState, const v8::FunctionCallbackInfo<v8::Value>& v8arguments, unsigned skipArg
umentCount) | 128 PassRefPtrWillBeRawPtr<ScriptArguments> createScriptArguments(ScriptState* scrip
tState, const v8::FunctionCallbackInfo<v8::Value>& v8arguments, unsigned skipArg
umentCount) |
| 129 { | 129 { |
| 130 Vector<ScriptValue> arguments; | 130 Vector<ScriptValue> arguments; |
| 131 for (int i = skipArgumentCount; i < v8arguments.Length(); ++i) | 131 for (int i = skipArgumentCount; i < v8arguments.Length(); ++i) |
| 132 arguments.append(ScriptValue(scriptState, v8arguments[i])); | 132 arguments.append(ScriptValue(scriptState, v8arguments[i])); |
| 133 | 133 |
| 134 return ScriptArguments::create(scriptState, arguments); | 134 return ScriptArguments::create(scriptState, arguments); |
| 135 } | 135 } |
| 136 | 136 |
| 137 } // namespace blink | 137 } // namespace blink |
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