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Diffstat (limited to 'deps/v8/src/full-codegen.cc')
-rw-r--r--deps/v8/src/full-codegen.cc133
1 files changed, 67 insertions, 66 deletions
diff --git a/deps/v8/src/full-codegen.cc b/deps/v8/src/full-codegen.cc
index 9b1df4ee7..44fe011a4 100644
--- a/deps/v8/src/full-codegen.cc
+++ b/deps/v8/src/full-codegen.cc
@@ -316,6 +316,7 @@ bool FullCodeGenerator::MakeCode(CompilationInfo* info) {
code->set_optimizable(info->IsOptimizable() &&
!info->function()->flags()->Contains(kDontOptimize) &&
info->function()->scope()->AllowsLazyRecompilation());
+ code->set_self_optimization_header(cgen.has_self_optimization_header_);
cgen.PopulateDeoptimizationData(code);
cgen.PopulateTypeFeedbackInfo(code);
cgen.PopulateTypeFeedbackCells(code);
@@ -331,6 +332,9 @@ bool FullCodeGenerator::MakeCode(CompilationInfo* info) {
code->set_stack_check_table_offset(table_offset);
CodeGenerator::PrintCode(code, info);
info->SetCode(code); // May be an empty handle.
+ if (!code.is_null()) {
+ isolate->runtime_profiler()->NotifyCodeGenerated(code->instruction_size());
+ }
#ifdef ENABLE_GDB_JIT_INTERFACE
if (FLAG_gdbjit && !code.is_null()) {
GDBJITLineInfo* lineinfo =
@@ -569,91 +573,88 @@ void FullCodeGenerator::DoTest(const TestContext* context) {
void FullCodeGenerator::VisitDeclarations(
ZoneList<Declaration*>* declarations) {
- ZoneList<Handle<Object> >* saved_globals = globals_;
- ZoneList<Handle<Object> > inner_globals(10);
- globals_ = &inner_globals;
+ int save_global_count = global_count_;
+ global_count_ = 0;
AstVisitor::VisitDeclarations(declarations);
- if (!globals_->is_empty()) {
+
+ // Batch declare global functions and variables.
+ if (global_count_ > 0) {
+ Handle<FixedArray> array =
+ isolate()->factory()->NewFixedArray(2 * global_count_, TENURED);
+ int length = declarations->length();
+ for (int j = 0, i = 0; i < length; i++) {
+ Declaration* decl = declarations->at(i);
+ Variable* var = decl->proxy()->var();
+
+ if (var->IsUnallocated()) {
+ array->set(j++, *(var->name()));
+ FunctionDeclaration* fun_decl = decl->AsFunctionDeclaration();
+ if (fun_decl == NULL) {
+ if (var->binding_needs_init()) {
+ // In case this binding needs initialization use the hole.
+ array->set_the_hole(j++);
+ } else {
+ array->set_undefined(j++);
+ }
+ } else {
+ Handle<SharedFunctionInfo> function =
+ Compiler::BuildFunctionInfo(fun_decl->fun(), script());
+ // Check for stack-overflow exception.
+ if (function.is_null()) {
+ SetStackOverflow();
+ return;
+ }
+ array->set(j++, *function);
+ }
+ }
+ }
// Invoke the platform-dependent code generator to do the actual
// declaration the global functions and variables.
- Handle<FixedArray> array =
- isolate()->factory()->NewFixedArray(globals_->length(), TENURED);
- for (int i = 0; i < globals_->length(); ++i)
- array->set(i, *globals_->at(i));
DeclareGlobals(array);
}
- globals_ = saved_globals;
+ global_count_ = save_global_count;
}
-void FullCodeGenerator::VisitModuleLiteral(ModuleLiteral* module) {
- Handle<JSModule> instance = module->interface()->Instance();
- ASSERT(!instance.is_null());
+void FullCodeGenerator::VisitVariableDeclaration(VariableDeclaration* decl) {
+ EmitDeclaration(decl->proxy(), decl->mode(), NULL);
+}
- // Allocate a module context statically.
- Block* block = module->body();
- Scope* saved_scope = scope();
- scope_ = block->scope();
- Handle<ScopeInfo> scope_info = scope_->GetScopeInfo();
-
- // Generate code for module creation and linking.
- Comment cmnt(masm_, "[ ModuleLiteral");
- SetStatementPosition(block);
-
- if (scope_info->HasContext()) {
- // Set up module context.
- __ Push(scope_info);
- __ Push(instance);
- __ CallRuntime(Runtime::kPushModuleContext, 2);
- StoreToFrameField(
- StandardFrameConstants::kContextOffset, context_register());
- }
- {
- Comment cmnt(masm_, "[ Declarations");
- VisitDeclarations(scope_->declarations());
- }
+void FullCodeGenerator::VisitFunctionDeclaration(FunctionDeclaration* decl) {
+ EmitDeclaration(decl->proxy(), decl->mode(), decl->fun());
+}
- scope_ = saved_scope;
- if (scope_info->HasContext()) {
- // Pop module context.
- LoadContextField(context_register(), Context::PREVIOUS_INDEX);
- // Update local stack frame context field.
- StoreToFrameField(
- StandardFrameConstants::kContextOffset, context_register());
- }
- // Populate module instance object.
- const PropertyAttributes attr =
- static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE | DONT_ENUM);
- for (Interface::Iterator it = module->interface()->iterator();
- !it.done(); it.Advance()) {
- if (it.interface()->IsModule()) {
- Handle<Object> value = it.interface()->Instance();
- ASSERT(!value.is_null());
- JSReceiver::SetProperty(instance, it.name(), value, attr, kStrictMode);
- } else {
- // TODO(rossberg): set proper getters instead of undefined...
- // instance->DefineAccessor(*it.name(), ACCESSOR_GETTER, *getter, attr);
- Handle<Object> value(isolate()->heap()->undefined_value());
- JSReceiver::SetProperty(instance, it.name(), value, attr, kStrictMode);
- }
- }
- USE(instance->PreventExtensions());
+void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* decl) {
+ EmitDeclaration(decl->proxy(), decl->mode(), NULL);
+}
+
+
+void FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* decl) {
+ EmitDeclaration(decl->proxy(), decl->mode(), NULL);
+}
+
+
+void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* decl) {
+ // TODO(rossberg)
+}
+
+
+void FullCodeGenerator::VisitModuleLiteral(ModuleLiteral* module) {
+ // TODO(rossberg)
}
void FullCodeGenerator::VisitModuleVariable(ModuleVariable* module) {
- // Noting to do.
- // The instance object is resolved statically through the module's interface.
+ // TODO(rossberg)
}
void FullCodeGenerator::VisitModulePath(ModulePath* module) {
- // Noting to do.
- // The instance object is resolved statically through the module's interface.
+ // TODO(rossberg)
}
@@ -915,9 +916,9 @@ void FullCodeGenerator::VisitBlock(Block* stmt) {
Scope* saved_scope = scope();
// Push a block context when entering a block with block scoped variables.
- if (stmt->scope() != NULL) {
+ if (stmt->block_scope() != NULL) {
{ Comment cmnt(masm_, "[ Extend block context");
- scope_ = stmt->scope();
+ scope_ = stmt->block_scope();
Handle<ScopeInfo> scope_info = scope_->GetScopeInfo();
int heap_slots = scope_info->ContextLength() - Context::MIN_CONTEXT_SLOTS;
__ Push(scope_info);
@@ -944,7 +945,7 @@ void FullCodeGenerator::VisitBlock(Block* stmt) {
PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS);
// Pop block context if necessary.
- if (stmt->scope() != NULL) {
+ if (stmt->block_scope() != NULL) {
LoadContextField(context_register(), Context::PREVIOUS_INDEX);
// Update local stack frame context field.
StoreToFrameField(StandardFrameConstants::kContextOffset,