Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(279)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: src/stub-cache.cc

Issue 6576024: (early draft) Strict mode - throw exception on assignment to read only property. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Assign to read only property in strict mode. Created 9 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/stub-cache.h ('k') | src/x64/codegen-x64.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/stub-cache.cc
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index abb26d6ed423a6c231ae288baa37fa18bc498a86..5e7efaa9ee4cc1949d0cafa658321295d3cb2847 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -498,13 +498,13 @@ MaybeObject* StubCache::ComputeStoreField(String* name,
JSObject* receiver,
int field_index,
Map* transition,
- Code::ExtraICState extra_ic_state) {
+ StrictModeFlag strict_mode) {
PropertyType type = (transition == NULL) ? FIELD : MAP_TRANSITION;
Code::Flags flags = Code::ComputeMonomorphicFlags(
- Code::STORE_IC, type, extra_ic_state);
+ Code::STORE_IC, type, strict_mode);
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- StoreStubCompiler compiler(extra_ic_state);
+ StoreStubCompiler compiler(strict_mode);
{ MaybeObject* maybe_code =
compiler.CompileStoreField(receiver, field_index, transition, name);
if (!maybe_code->ToObject(&code)) return maybe_code;
@@ -521,13 +521,15 @@ MaybeObject* StubCache::ComputeStoreField(String* name,
}
-MaybeObject* StubCache::ComputeKeyedStoreSpecialized(JSObject* receiver) {
+MaybeObject* StubCache::ComputeKeyedStoreSpecialized(
+ JSObject* receiver,
+ StrictModeFlag strict_mode) {
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, NORMAL);
+ Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, NORMAL, strict_mode);
String* name = Heap::KeyedStoreSpecialized_symbol();
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- KeyedStoreStubCompiler compiler;
+ KeyedStoreStubCompiler compiler(strict_mode);
{ MaybeObject* maybe_code = compiler.CompileStoreSpecialized(receiver);
if (!maybe_code->ToObject(&code)) return maybe_code;
}
@@ -542,7 +544,9 @@ MaybeObject* StubCache::ComputeKeyedStoreSpecialized(JSObject* receiver) {
}
-MaybeObject* StubCache::ComputeKeyedStorePixelArray(JSObject* receiver) {
+MaybeObject* StubCache::ComputeKeyedStorePixelArray(
+ JSObject* receiver,
+ StrictModeFlag strict_mode) {
// Using NORMAL as the PropertyType for array element stores is a misuse. The
// generated stub always accesses fast elements, not slow-mode fields, but
// some property type is required for the stub lookup. Note that overloading
@@ -550,11 +554,11 @@ MaybeObject* StubCache::ComputeKeyedStorePixelArray(JSObject* receiver) {
// other keyed field stores. This is guaranteed to be the case since all field
// keyed stores that are not array elements go through a generic builtin stub.
Code::Flags flags =
- Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, NORMAL);
+ Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, NORMAL, strict_mode);
String* name = Heap::KeyedStorePixelArray_symbol();
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- KeyedStoreStubCompiler compiler;
+ KeyedStoreStubCompiler compiler(strict_mode);
{ MaybeObject* maybe_code = compiler.CompileStorePixelArray(receiver);
if (!maybe_code->ToObject(&code)) return maybe_code;
}
@@ -598,11 +602,13 @@ ExternalArrayType ElementsKindToExternalArrayType(JSObject::ElementsKind kind) {
MaybeObject* StubCache::ComputeKeyedLoadOrStoreExternalArray(
JSObject* receiver,
- bool is_store) {
+ bool is_store,
+ StrictModeFlag strict_mode) {
Code::Flags flags =
Code::ComputeMonomorphicFlags(
is_store ? Code::KEYED_STORE_IC : Code::KEYED_LOAD_IC,
- NORMAL);
+ NORMAL,
+ strict_mode);
ExternalArrayType array_type =
ElementsKindToExternalArrayType(receiver->GetElementsKind());
String* name =
@@ -615,9 +621,9 @@ MaybeObject* StubCache::ComputeKeyedLoadOrStoreExternalArray(
Object* code = map->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
ExternalArrayStubCompiler compiler;
- { MaybeObject* maybe_code =
- is_store ? compiler.CompileKeyedStoreStub(array_type, flags) :
- compiler.CompileKeyedLoadStub(array_type, flags);
+ { MaybeObject* maybe_code = is_store
+ ? compiler.CompileKeyedStoreStub(array_type, flags)
+ : compiler.CompileKeyedLoadStub(array_type, flags);
if (!maybe_code->ToObject(&code)) return maybe_code;
}
if (is_store) {
@@ -637,8 +643,8 @@ MaybeObject* StubCache::ComputeKeyedLoadOrStoreExternalArray(
}
-MaybeObject* StubCache::ComputeStoreNormal(Code::ExtraICState extra_ic_state) {
- return Builtins::builtin(extra_ic_state == StoreIC::kStoreICStrict
+MaybeObject* StubCache::ComputeStoreNormal(StrictModeFlag strict_mode) {
+ return Builtins::builtin(strict_mode == kStrictMode
? Builtins::StoreIC_Normal_Strict
: Builtins::StoreIC_Normal);
}
@@ -647,12 +653,12 @@ MaybeObject* StubCache::ComputeStoreNormal(Code::ExtraICState extra_ic_state) {
MaybeObject* StubCache::ComputeStoreGlobal(String* name,
GlobalObject* receiver,
JSGlobalPropertyCell* cell,
- Code::ExtraICState extra_ic_state) {
+ StrictModeFlag strict_mode) {
Code::Flags flags = Code::ComputeMonomorphicFlags(
- Code::STORE_IC, NORMAL, extra_ic_state);
+ Code::STORE_IC, NORMAL, strict_mode);
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- StoreStubCompiler compiler(extra_ic_state);
+ StoreStubCompiler compiler(strict_mode);
{ MaybeObject* maybe_code =
compiler.CompileStoreGlobal(receiver, cell, name);
if (!maybe_code->ToObject(&code)) return maybe_code;
@@ -673,13 +679,13 @@ MaybeObject* StubCache::ComputeStoreCallback(
String* name,
JSObject* receiver,
AccessorInfo* callback,
- Code::ExtraICState extra_ic_state) {
+ StrictModeFlag strict_mode) {
ASSERT(v8::ToCData<Address>(callback->setter()) != 0);
Code::Flags flags = Code::ComputeMonomorphicFlags(
- Code::STORE_IC, CALLBACKS, extra_ic_state);
+ Code::STORE_IC, CALLBACKS, strict_mode);
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- StoreStubCompiler compiler(extra_ic_state);
+ StoreStubCompiler compiler(strict_mode);
{ MaybeObject* maybe_code =
compiler.CompileStoreCallback(receiver, callback, name);
if (!maybe_code->ToObject(&code)) return maybe_code;
@@ -699,12 +705,12 @@ MaybeObject* StubCache::ComputeStoreCallback(
MaybeObject* StubCache::ComputeStoreInterceptor(
String* name,
JSObject* receiver,
- Code::ExtraICState extra_ic_state) {
+ StrictModeFlag strict_mode) {
Code::Flags flags = Code::ComputeMonomorphicFlags(
- Code::STORE_IC, INTERCEPTOR, extra_ic_state);
+ Code::STORE_IC, INTERCEPTOR, strict_mode);
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- StoreStubCompiler compiler(extra_ic_state);
+ StoreStubCompiler compiler(strict_mode);
{ MaybeObject* maybe_code =
compiler.CompileStoreInterceptor(receiver, name);
if (!maybe_code->ToObject(&code)) return maybe_code;
@@ -724,12 +730,14 @@ MaybeObject* StubCache::ComputeStoreInterceptor(
MaybeObject* StubCache::ComputeKeyedStoreField(String* name,
JSObject* receiver,
int field_index,
- Map* transition) {
+ Map* transition,
+ StrictModeFlag strict_mode) {
PropertyType type = (transition == NULL) ? FIELD : MAP_TRANSITION;
- Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, type);
+ Code::Flags flags = Code::ComputeMonomorphicFlags(
+ Code::KEYED_STORE_IC, type, strict_mode);
Object* code = receiver->map()->FindInCodeCache(name, flags);
if (code->IsUndefined()) {
- KeyedStoreStubCompiler compiler;
+ KeyedStoreStubCompiler compiler(strict_mode);
{ MaybeObject* maybe_code =
compiler.CompileStoreField(receiver, field_index, transition, name);
if (!maybe_code->ToObject(&code)) return maybe_code;
@@ -1275,7 +1283,7 @@ MaybeObject* StoreCallbackProperty(Arguments args) {
CustomArguments custom_args(callback->data(), recv, recv);
v8::AccessorInfo info(custom_args.end());
{
- // Leaving JavaScript.
+ // Leaving JavaScript. TODO(mmaly): Do we need strict mode here?
VMState state(EXTERNAL);
ExternalCallbackScope call_scope(setter_address);
fun(v8::Utils::ToLocal(name), v8::Utils::ToLocal(value), info);
@@ -1417,12 +1425,17 @@ MaybeObject* LoadPropertyWithInterceptorForCall(Arguments args) {
MaybeObject* StoreInterceptorProperty(Arguments args) {
+ ASSERT(args.length() == 4);
JSObject* recv = JSObject::cast(args[0]);
String* name = String::cast(args[1]);
Object* value = args[2];
+ StrictModeFlag strict =
+ static_cast<StrictModeFlag>(Smi::cast(args[3])->value());
+ ASSERT(strict == kStrictMode || strict == kNonStrictMode);
ASSERT(recv->HasNamedInterceptor());
PropertyAttributes attr = NONE;
- MaybeObject* result = recv->SetPropertyWithInterceptor(name, value, attr);
+ MaybeObject* result = recv->SetPropertyWithInterceptor(
+ name, value, attr, strict);
return result;
}
@@ -1675,8 +1688,8 @@ MaybeObject* KeyedLoadStubCompiler::GetCode(PropertyType type, String* name) {
MaybeObject* StoreStubCompiler::GetCode(PropertyType type, String* name) {
- Code::Flags flags = Code::ComputeMonomorphicFlags(Code::STORE_IC, type,
- extra_ic_state_);
+ Code::Flags flags = Code::ComputeMonomorphicFlags(
+ Code::STORE_IC, type, strict_mode_);
MaybeObject* result = GetCodeWithFlags(flags, name);
if (!result->IsFailure()) {
PROFILE(CodeCreateEvent(Logger::STORE_IC_TAG,
@@ -1691,7 +1704,8 @@ MaybeObject* StoreStubCompiler::GetCode(PropertyType type, String* name) {
MaybeObject* KeyedStoreStubCompiler::GetCode(PropertyType type, String* name) {
- Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, type);
+ Code::Flags flags = Code::ComputeMonomorphicFlags(
+ Code::KEYED_STORE_IC, type, strict_mode_);
MaybeObject* result = GetCodeWithFlags(flags, name);
if (!result->IsFailure()) {
PROFILE(CodeCreateEvent(Logger::KEYED_STORE_IC_TAG,
« no previous file with comments | « src/stub-cache.h ('k') | src/x64/codegen-x64.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698