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Unified Diff: src/builtins/builtins-callsite.cc

Issue 2275233002: Refactor call site handling for stack formatting (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Remove JSCallSite type Created 4 years, 4 months ago
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Index: src/builtins/builtins-callsite.cc
diff --git a/src/builtins/builtins-callsite.cc b/src/builtins/builtins-callsite.cc
index 7fc2f987162537345da5dcbadd9602c24bf86873..bef1abea3ee5de075c843324f6ba2f776cb81b93 100644
--- a/src/builtins/builtins-callsite.cc
+++ b/src/builtins/builtins-callsite.cc
@@ -14,7 +14,7 @@ namespace internal {
#define CHECK_CALLSITE(recv, method) \
CHECK_RECEIVER(JSObject, recv, method); \
if (!JSReceiver::HasOwnProperty( \
- recv, isolate->factory()->call_site_position_symbol()) \
+ recv, isolate->factory()->call_site_frame_array_symbol()) \
.FromMaybe(false)) { \
THROW_NEW_ERROR_RETURN_FAILURE( \
isolate, \
@@ -22,6 +22,17 @@ namespace internal {
isolate->factory()->NewStringFromAsciiChecked(method))); \
}
+#define CALLSITE_ITER(recv) \
+ Handle<Object> frame_array_obj = JSObject::GetDataProperty( \
+ recv, isolate->factory()->call_site_frame_array_symbol()); \
+ Handle<FrameArray> frame_array = Handle<FrameArray>::cast(frame_array_obj); \
+ \
+ Handle<Object> frame_index_obj = JSObject::GetDataProperty( \
+ recv, isolate->factory()->call_site_frame_index_symbol()); \
+ const int frame_index = Smi::cast(*frame_index_obj)->value(); \
+ \
+ FrameArrayIterator it(isolate, frame_array, frame_index);
+
namespace {
Object* PositiveNumberOrNull(int value, Isolate* isolate) {
@@ -34,167 +45,120 @@ Object* PositiveNumberOrNull(int value, Isolate* isolate) {
BUILTIN(CallSitePrototypeGetColumnNumber) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getColumnNumber");
+ CALLSITE_ITER(recv);
ulan 2016/08/30 10:15:56 We can avoid this macro altogether and replace it
jgruber 2016/08/30 12:11:33 Done.
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return PositiveNumberOrNull(call_site.GetColumnNumber(), isolate);
+ return PositiveNumberOrNull(it.Frame()->GetColumnNumber(), isolate);
}
BUILTIN(CallSitePrototypeGetEvalOrigin) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getEvalOrigin");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return *call_site.GetEvalOrigin();
+ CALLSITE_ITER(recv);
+ return *it.Frame()->GetEvalOrigin();
}
BUILTIN(CallSitePrototypeGetFileName) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getFileName");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return *call_site.GetFileName();
-}
-
-namespace {
-
-bool CallSiteIsStrict(Isolate* isolate, Handle<JSObject> receiver) {
- Handle<Object> strict;
- Handle<Symbol> symbol = isolate->factory()->call_site_strict_symbol();
- ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, strict,
- JSObject::GetProperty(receiver, symbol));
- return strict->BooleanValue();
+ CALLSITE_ITER(recv);
+ return *it.Frame()->GetFileName();
}
-} // namespace
-
BUILTIN(CallSitePrototypeGetFunction) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getFunction");
+ CALLSITE_ITER(recv);
- if (CallSiteIsStrict(isolate, recv))
- return *isolate->factory()->undefined_value();
-
- Handle<Symbol> symbol = isolate->factory()->call_site_function_symbol();
- RETURN_RESULT_OR_FAILURE(isolate, JSObject::GetProperty(recv, symbol));
+ StackFrameBase* frame = it.Frame();
+ if (frame->IsStrict()) return isolate->heap()->undefined_value();
+ return *frame->GetFunction();
}
BUILTIN(CallSitePrototypeGetFunctionName) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getFunctionName");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return *call_site.GetFunctionName();
+ CALLSITE_ITER(recv);
+ return *it.Frame()->GetFunctionName();
}
BUILTIN(CallSitePrototypeGetLineNumber) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getLineNumber");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
-
- int line_number = call_site.IsWasm() ? call_site.wasm_func_index()
- : call_site.GetLineNumber();
- return PositiveNumberOrNull(line_number, isolate);
+ CALLSITE_ITER(recv);
+ return PositiveNumberOrNull(it.Frame()->GetLineNumber(), isolate);
}
BUILTIN(CallSitePrototypeGetMethodName) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getMethodName");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return *call_site.GetMethodName();
+ CALLSITE_ITER(recv);
+ return *it.Frame()->GetMethodName();
}
BUILTIN(CallSitePrototypeGetPosition) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getPosition");
-
- Handle<Symbol> symbol = isolate->factory()->call_site_position_symbol();
- RETURN_RESULT_OR_FAILURE(isolate, JSObject::GetProperty(recv, symbol));
+ CALLSITE_ITER(recv);
+ return Smi::FromInt(it.Frame()->GetPosition());
}
BUILTIN(CallSitePrototypeGetScriptNameOrSourceURL) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getScriptNameOrSourceUrl");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return *call_site.GetScriptNameOrSourceUrl();
+ CALLSITE_ITER(recv);
+ return *it.Frame()->GetScriptNameOrSourceUrl();
}
BUILTIN(CallSitePrototypeGetThis) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getThis");
+ CALLSITE_ITER(recv);
- if (CallSiteIsStrict(isolate, recv))
- return *isolate->factory()->undefined_value();
-
- Handle<Object> receiver;
- Handle<Symbol> symbol = isolate->factory()->call_site_receiver_symbol();
- ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver,
- JSObject::GetProperty(recv, symbol));
-
- if (*receiver == isolate->heap()->call_site_constructor_symbol())
- return *isolate->factory()->undefined_value();
-
- return *receiver;
+ StackFrameBase* frame = it.Frame();
+ if (frame->IsStrict()) return isolate->heap()->undefined_value();
+ return *frame->GetReceiver();
}
BUILTIN(CallSitePrototypeGetTypeName) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "getTypeName");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return *call_site.GetTypeName();
+ CALLSITE_ITER(recv);
+ return *it.Frame()->GetTypeName();
}
BUILTIN(CallSitePrototypeIsConstructor) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "isConstructor");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return isolate->heap()->ToBoolean(call_site.IsConstructor());
+ CALLSITE_ITER(recv);
+ return isolate->heap()->ToBoolean(it.Frame()->IsConstructor());
}
BUILTIN(CallSitePrototypeIsEval) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "isEval");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return isolate->heap()->ToBoolean(call_site.IsEval());
+ CALLSITE_ITER(recv);
+ return isolate->heap()->ToBoolean(it.Frame()->IsEval());
}
BUILTIN(CallSitePrototypeIsNative) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "isNative");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return isolate->heap()->ToBoolean(call_site.IsNative());
+ CALLSITE_ITER(recv);
+ return isolate->heap()->ToBoolean(it.Frame()->IsNative());
}
BUILTIN(CallSitePrototypeIsToplevel) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "isToplevel");
-
- CallSite call_site(isolate, recv);
- CHECK(call_site.IsJavaScript() || call_site.IsWasm());
- return isolate->heap()->ToBoolean(call_site.IsToplevel());
+ CALLSITE_ITER(recv);
+ return isolate->heap()->ToBoolean(it.Frame()->IsToplevel());
}
BUILTIN(CallSitePrototypeToString) {
HandleScope scope(isolate);
CHECK_CALLSITE(recv, "toString");
- RETURN_RESULT_OR_FAILURE(isolate, CallSiteUtils::ToString(isolate, recv));
+ CALLSITE_ITER(recv);
+ RETURN_RESULT_OR_FAILURE(isolate, it.Frame()->ToString());
}
#undef CHECK_CALLSITE
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