}
-void FullCodeGenerator::EmitLoadSuperConstructor(SuperReference* super_ref) {
- DCHECK(super_ref != NULL);
+void FullCodeGenerator::EmitLoadSuperConstructor() {
__ lw(a0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
__ Push(a0);
__ CallRuntime(Runtime::kGetPrototype, 1);
if (FLAG_experimental_classes) {
EmitSuperConstructorCall(expr);
} else {
- SuperReference* super_ref = callee->AsSuperReference();
- EmitLoadSuperConstructor(super_ref);
+ EmitLoadSuperConstructor();
__ Push(result_register());
+ SuperReference* super_ref = callee->AsSuperReference();
VisitForStackValue(super_ref->this_var());
EmitCall(expr, CallICState::METHOD);
}
GetVar(result_register(), new_target_var);
__ Push(result_register());
- SuperReference* super_ref = expr->expression()->AsSuperReference();
- EmitLoadSuperConstructor(super_ref);
+ EmitLoadSuperConstructor();
__ push(result_register());
+ SuperReference* super_ref = expr->expression()->AsSuperReference();
Variable* this_var = super_ref->this_var()->var();
GetVar(a0, this_var);
}
+void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
+ Variable* new_target_var = scope()->DeclarationScope()->new_target_var();
+ GetVar(result_register(), new_target_var);
+ __ Push(result_register());
+
+ EmitLoadSuperConstructor();
+ __ Push(result_register());
+
+ // Check if the calling frame is an arguments adaptor frame.
+ Label adaptor_frame, args_set_up, runtime;
+ __ lw(a2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ lw(a3, MemOperand(a2, StandardFrameConstants::kContextOffset));
+ __ Branch(&adaptor_frame, eq, a3,
+ Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
+ // default constructor has no arguments, so no adaptor frame means no args.
+ __ mov(a0, zero_reg);
+ __ Branch(&args_set_up);
+
+ // Copy arguments from adaptor frame.
+ {
+ __ bind(&adaptor_frame);
+ __ lw(a1, MemOperand(a2, ArgumentsAdaptorFrameConstants::kLengthOffset));
+ __ SmiUntag(a1, a1);
+
+ // Subtract 1 from arguments count, for new.target.
+ __ Addu(a1, a1, Operand(-1));
+ __ mov(a0, a1);
+
+ // Get arguments pointer in a2.
+ __ sll(at, a1, kPointerSizeLog2);
+ __ addu(a2, a2, at);
+ __ Addu(a2, a2, Operand(StandardFrameConstants::kCallerSPOffset));
+ Label loop;
+ __ bind(&loop);
+ // Pre-decrement a2 with kPointerSize on each iteration.
+ // Pre-decrement in order to skip receiver.
+ __ Addu(a2, a2, Operand(-kPointerSize));
+ __ lw(a3, MemOperand(a2));
+ __ Push(a3);
+ __ Addu(a1, a1, Operand(-1));
+ __ Branch(&loop, ne, a1, Operand(zero_reg));
+ }
+
+ __ bind(&args_set_up);
+ __ sll(at, a0, kPointerSizeLog2);
+ __ Addu(at, at, Operand(sp));
+ __ lw(a1, MemOperand(at, 0));
+
+ CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
+ __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
+
+ __ Drop(1);
+
+ context()->Plug(result_register());
+}
+
+
void FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) {
RegExpConstructResultStub stub(isolate());
ZoneList<Expression*>* args = expr->arguments();
}
-void FullCodeGenerator::EmitLoadSuperConstructor(SuperReference* super_ref) {
- DCHECK(super_ref != NULL);
+void FullCodeGenerator::EmitLoadSuperConstructor() {
__ ld(a0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
__ Push(a0);
__ CallRuntime(Runtime::kGetPrototype, 1);
if (FLAG_experimental_classes) {
EmitSuperConstructorCall(expr);
} else {
- SuperReference* super_ref = callee->AsSuperReference();
- EmitLoadSuperConstructor(super_ref);
+ EmitLoadSuperConstructor();
__ Push(result_register());
+ SuperReference* super_ref = callee->AsSuperReference();
VisitForStackValue(super_ref->this_var());
EmitCall(expr, CallICState::METHOD);
}
GetVar(result_register(), new_target_var);
__ Push(result_register());
- SuperReference* super_ref = expr->expression()->AsSuperReference();
- EmitLoadSuperConstructor(super_ref);
+ EmitLoadSuperConstructor();
__ push(result_register());
+ SuperReference* super_ref = expr->expression()->AsSuperReference();
Variable* this_var = super_ref->this_var()->var();
GetVar(a0, this_var);
}
+void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
+ Variable* new_target_var = scope()->DeclarationScope()->new_target_var();
+ GetVar(result_register(), new_target_var);
+ __ Push(result_register());
+
+ EmitLoadSuperConstructor();
+ __ Push(result_register());
+
+ // Check if the calling frame is an arguments adaptor frame.
+ Label adaptor_frame, args_set_up, runtime;
+ __ ld(a2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+ __ ld(a3, MemOperand(a2, StandardFrameConstants::kContextOffset));
+ __ Branch(&adaptor_frame, eq, a3,
+ Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
+ // default constructor has no arguments, so no adaptor frame means no args.
+ __ mov(a0, zero_reg);
+ __ Branch(&args_set_up);
+
+ // Copy arguments from adaptor frame.
+ {
+ __ bind(&adaptor_frame);
+ __ ld(a1, MemOperand(a2, ArgumentsAdaptorFrameConstants::kLengthOffset));
+ __ SmiUntag(a1, a1);
+
+ // Subtract 1 from arguments count, for new.target.
+ __ Daddu(a1, a1, Operand(-1));
+ __ mov(a0, a1);
+
+ // Get arguments pointer in a2.
+ __ dsll(at, a1, kPointerSizeLog2);
+ __ Daddu(a2, a2, Operand(at));
+ __ Daddu(a2, a2, Operand(StandardFrameConstants::kCallerSPOffset));
+ Label loop;
+ __ bind(&loop);
+ // Pre-decrement a2 with kPointerSize on each iteration.
+ // Pre-decrement in order to skip receiver.
+ __ Daddu(a2, a2, Operand(-kPointerSize));
+ __ ld(a3, MemOperand(a2));
+ __ Push(a3);
+ __ Daddu(a1, a1, Operand(-1));
+ __ Branch(&loop, ne, a1, Operand(zero_reg));
+ }
+
+ __ bind(&args_set_up);
+ __ dsll(at, a0, kPointerSizeLog2);
+ __ Daddu(at, at, Operand(sp));
+ __ ld(a1, MemOperand(at, 0));
+
+ CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
+ __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
+
+ __ Drop(1);
+
+ context()->Plug(result_register());
+}
+
+
void FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) {
RegExpConstructResultStub stub(isolate());
ZoneList<Expression*>* args = expr->arguments();