AuroraMiddleware/v8
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Remove assertion from callers of TryCall.

Browse Source 
R=ishell@chromium.org
BUG=363280
LOG=N

Review URL: https://codereview.chromium.org/238753003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20748 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
yangguo@chromium.org 2014-04-15 07:56:00 +00:00
parent cd89f90bd1
commit cf7c8181f0
2 changed files with 29 additions and 43 deletions
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55
src/debug.cc
View File

@ -1127,13 +1127,12 @@ bool Debug::CheckBreakPoint(Handle<Object> break_point_object) {
// Call HandleBreakPointx.
Handle<Object> argv[] = { break_id, break_point_object };
Handle<Object> result;
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, result,
Execution::TryCall(check_break_point,
if (!Execution::TryCall(check_break_point,
isolate_->js_builtins_object(),
ARRAY_SIZE(argv),
argv),
false);
argv).ToHandle(&result)) {
return false;
}
// Return whether the break point is triggered.
return result->IsTrue();
@ -2620,8 +2619,7 @@ MaybeHandle<Object> Debugger::MakeExecutionState() {
MaybeHandle<Object> Debugger::MakeBreakEvent(Handle<Object> break_points_hit) {
Handle<Object> exec_state;
ASSIGN_RETURN_ON_EXCEPTION(
isolate_, exec_state, MakeExecutionState(), Object);
if (!MakeExecutionState().ToHandle(&exec_state)) return MaybeHandle<Object>();
// Create the new break event object.
Handle<Object> argv[] = { exec_state, break_points_hit };
return MakeJSObject(CStrVector("MakeBreakEvent"), ARRAY_SIZE(argv), argv);
@ -2631,8 +2629,7 @@ MaybeHandle<Object> Debugger::MakeBreakEvent(Handle<Object> break_points_hit) {
MaybeHandle<Object> Debugger::MakeExceptionEvent(Handle<Object> exception,
bool uncaught) {
Handle<Object> exec_state;
ASSIGN_RETURN_ON_EXCEPTION(
isolate_, exec_state, MakeExecutionState(), Object);
if (!MakeExecutionState().ToHandle(&exec_state)) return MaybeHandle<Object>();
// Create the new exception event object.
Handle<Object> argv[] = { exec_state,
exception,
@ -2643,24 +2640,21 @@ MaybeHandle<Object> Debugger::MakeExceptionEvent(Handle<Object> exception,
MaybeHandle<Object> Debugger::MakeCompileEvent(Handle<Script> script,
bool before) {
Factory* factory = isolate_->factory();
// Create the compile event object.
Handle<Object> exec_state;
ASSIGN_RETURN_ON_EXCEPTION(
isolate_, exec_state, MakeExecutionState(), Object);
if (!MakeExecutionState().ToHandle(&exec_state)) return MaybeHandle<Object>();
// Create the compile event object.
Handle<Object> script_wrapper = GetScriptWrapper(script);
Handle<Object> argv[] = { exec_state,
script_wrapper,
factory->ToBoolean(before) };
isolate_->factory()->ToBoolean(before) };
return MakeJSObject(CStrVector("MakeCompileEvent"), ARRAY_SIZE(argv), argv);
}
MaybeHandle<Object> Debugger::MakeScriptCollectedEvent(int id) {
// Create the script collected event object.
Handle<Object> exec_state;
ASSIGN_RETURN_ON_EXCEPTION(
isolate_, exec_state, MakeExecutionState(), Object);
if (!MakeExecutionState().ToHandle(&exec_state)) return MaybeHandle<Object>();
// Create the script collected event object.
Handle<Object> id_object = Handle<Smi>(Smi::FromInt(id), isolate_);
Handle<Object> argv[] = { exec_state, id_object };
@ -2696,9 +2690,7 @@ void Debugger::OnException(Handle<Object> exception, bool uncaught) {
// Create the event data object.
Handle<Object> event_data;
// Bail out and don't call debugger if exception.
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, event_data, MakeExceptionEvent(exception, uncaught),
/* void */ ;);
if (!MakeExceptionEvent(exception, uncaught).ToHandle(&event_data)) return;
// Process debug event.
ProcessDebugEvent(v8::Exception, Handle<JSObject>::cast(event_data), false);
@ -2722,8 +2714,7 @@ void Debugger::OnDebugBreak(Handle<Object> break_points_hit,
// Create the event data object.
Handle<Object> event_data;
// Bail out and don't call debugger if exception.
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, event_data, MakeBreakEvent(break_points_hit), /* void */ ;);
if (!MakeBreakEvent(break_points_hit).ToHandle(&event_data)) return;
// Process debug event.
ProcessDebugEvent(v8::Break,
@ -2747,8 +2738,7 @@ void Debugger::OnBeforeCompile(Handle<Script> script) {
// Create the event data object.
Handle<Object> event_data;
// Bail out and don't call debugger if exception.
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, event_data, MakeCompileEvent(script, true), /* void */ ;);
if (!MakeCompileEvent(script, true).ToHandle(&event_data)) return;
// Process debug event.
ProcessDebugEvent(v8::BeforeCompile,
@ -2814,8 +2804,7 @@ void Debugger::OnAfterCompile(Handle<Script> script,
// Create the compile state object.
Handle<Object> event_data;
// Bail out and don't call debugger if exception.
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, event_data, MakeCompileEvent(script, false), /* void */ ;);
if (!MakeCompileEvent(script, false).ToHandle(&event_data)) return;
// Process debug event.
ProcessDebugEvent(v8::AfterCompile, Handle<JSObject>::cast(event_data), true);
@ -2837,8 +2826,7 @@ void Debugger::OnScriptCollected(int id) {
// Create the script collected state object.
Handle<Object> event_data;
// Bail out and don't call debugger if exception.
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, event_data, MakeScriptCollectedEvent(id), /* void */ ;);
if (!MakeScriptCollectedEvent(id).ToHandle(&event_data)) return;
// Process debug event.
ProcessDebugEvent(v8::ScriptCollected,
@ -2860,8 +2848,8 @@ void Debugger::ProcessDebugEvent(v8::DebugEvent event,
// Create the execution state.
Handle<Object> exec_state;
// Bail out and don't call debugger if exception.
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, exec_state, MakeExecutionState(), /* void */ ;);
if (!MakeExecutionState().ToHandle(&exec_state)) return;
// First notify the message handler if any.
if (message_handler_ != NULL) {
NotifyMessageHandler(event,
@ -3302,10 +3290,9 @@ MaybeHandle<Object> Debugger::Call(Handle<JSFunction> fun,
// Create the execution state.
Handle<Object> exec_state;
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate_, exec_state,
MakeExecutionState(),
isolate_->factory()->undefined_value());
if (!MakeExecutionState().ToHandle(&exec_state)) {
return isolate_->factory()->undefined_value();
}
Handle<Object> argv[] = { exec_state, data };
return Execution::Call(

9
src/execution.cc
View File

@ -740,13 +740,12 @@ Handle<Object> Execution::CharAt(Handle<String> string, uint32_t index) {
Handle<Object> index_object = factory->NewNumberFromInt(int_index);
Handle<Object> index_arg[] = { index_object };
Handle<Object> result;
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate, result,
TryCall(Handle<JSFunction>::cast(char_at),
if (!TryCall(Handle<JSFunction>::cast(char_at),
string,
ARRAY_SIZE(index_arg),
index_arg),
factory->undefined_value());
index_arg).ToHandle(&result)) {
return factory->undefined_value();
}
return result;
}