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Commit 53c9f0bb authored by dslomov@chromium.org's avatar dslomov@chromium.org
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Keyed stores to super where key is a name. 

R=arv@chromium.org, ishell@chromium.org
BUG=v:3330
LOG=N

Review URL: https://codereview.chromium.org/638623002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 61b68155
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Inline Side-by-side
Showing with 997 additions and 291 deletions
src/arm/full-codegen-arm.cc
View file @ 53c9f0bb
......@@ -1889,22 +1889,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
Comment cmnt(masm_, "[ Assignment");
// Left-hand side can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* property = expr->target()->AsProperty();
if (property != NULL) {
assign_type = (property->key()->IsPropertyName())
? (property->IsSuperAccess() ? NAMED_SUPER_PROPERTY
: NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(property);
// Evaluate LHS expression.
switch (assign_type) {
......@@ -1931,6 +1917,21 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
__ Push(result_register());
}
break;
case KEYED_SUPER_PROPERTY:
VisitForStackValue(property->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(property->obj()->AsSuperReference());
__ Push(result_register());
VisitForAccumulatorValue(property->key());
__ Push(result_register());
if (expr->is_compound()) {
const Register scratch = r1;
__ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
__ Push(scratch);
__ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
__ Push(scratch);
__ Push(result_register());
}
break;
case KEYED_PROPERTY:
if (expr->is_compound()) {
VisitForStackValue(property->obj());
......@@ -1962,6 +1963,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
......@@ -2012,6 +2017,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedSuperPropertyStore(property);
context()->Plug(r0);
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyStore(property);
context()->Plug(r0);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
......@@ -2657,14 +2666,27 @@ void FullCodeGenerator::EmitNamedSuperPropertyStore(Property* prop) {
Literal* key = prop->key()->AsLiteral();
DCHECK(key != NULL);
__ Push(r0);
__ Push(key->value());
__ Push(r0);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreToSuper_Strict
: Runtime::kStoreToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedSuperPropertyStore(Property* prop) {
// Assignment to named property of super.
// r0 : value
// stack : receiver ('this'), home_object, key
DCHECK(prop != NULL);
__ Push(r0);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreKeyedToSuper_Strict
: Runtime::kStoreKeyedToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
// Assignment to a property, using a keyed store IC.
......@@ -4436,24 +4458,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
Comment cmnt(masm_, "[ CountOperation");
SetSourcePosition(expr->position());
// Expression can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* prop = expr->expression()->AsProperty();
// In case of a property we use the uninitialized expression context
// of the key to detect a named property.
if (prop != NULL) {
assign_type =
(prop->key()->IsPropertyName())
? (prop->IsSuperAccess() ? NAMED_SUPER_PROPERTY : NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(prop);
// Evaluate expression and get value.
if (assign_type == VARIABLE) {
......@@ -4466,12 +4472,16 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
__ mov(ip, Operand(Smi::FromInt(0)));
__ push(ip);
}
if (assign_type == NAMED_PROPERTY) {
switch (assign_type) {
case NAMED_PROPERTY: {
// Put the object both on the stack and in the register.
VisitForStackValue(prop->obj());
__ ldr(LoadDescriptor::ReceiverRegister(), MemOperand(sp, 0));
EmitNamedPropertyLoad(prop);
} else if (assign_type == NAMED_SUPER_PROPERTY) {
break;
}
case NAMED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ Push(result_register());
......@@ -4480,13 +4490,37 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
__ Push(scratch);
__ Push(result_register());
EmitNamedSuperPropertyLoad(prop);
} else {
break;
}
case KEYED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ Push(result_register());
VisitForAccumulatorValue(prop->key());
__ Push(result_register());
const Register scratch = r1;
__ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
__ Push(scratch);
__ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
__ Push(scratch);
__ Push(result_register());
EmitKeyedSuperPropertyLoad(prop);
break;
}
case KEYED_PROPERTY: {
VisitForStackValue(prop->obj());
VisitForStackValue(prop->key());
__ ldr(LoadDescriptor::ReceiverRegister(),
MemOperand(sp, 1 * kPointerSize));
__ ldr(LoadDescriptor::NameRegister(), MemOperand(sp, 0));
EmitKeyedPropertyLoad(prop);
break;
}
case VARIABLE:
UNREACHABLE();
}
}
......@@ -4526,6 +4560,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ str(r0, MemOperand(sp, 2 * kPointerSize));
break;
case KEYED_SUPER_PROPERTY:
__ str(r0, MemOperand(sp, 3 * kPointerSize));
break;
}
}
}
......@@ -4559,6 +4596,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ str(r0, MemOperand(sp, 2 * kPointerSize));
break;
case KEYED_SUPER_PROPERTY:
__ str(r0, MemOperand(sp, 3 * kPointerSize));
break;
}
}
}
......@@ -4625,6 +4665,17 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
case KEYED_SUPER_PROPERTY: {
EmitKeyedSuperPropertyStore(prop);
if (expr->is_postfix()) {
if (!context()->IsEffect()) {
context()->PlugTOS();
}
} else {
context()->Plug(r0);
}
break;
}
case KEYED_PROPERTY: {
__ Pop(StoreDescriptor::ReceiverRegister(),
StoreDescriptor::NameRegister());
......
src/arm64/full-codegen-arm64.cc
View file @ 53c9f0bb
......@@ -1868,22 +1868,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
Comment cmnt(masm_, "[ Assignment");
// Left-hand side can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* property = expr->target()->AsProperty();
if (property != NULL) {
assign_type = (property->key()->IsPropertyName())
? (property->IsSuperAccess() ? NAMED_SUPER_PROPERTY
: NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(property);
// Evaluate LHS expression.
switch (assign_type) {
......@@ -1909,6 +1895,20 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
__ Push(scratch, result_register());
}
break;
case KEYED_SUPER_PROPERTY:
VisitForStackValue(property->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(property->obj()->AsSuperReference());
__ Push(result_register());
VisitForAccumulatorValue(property->key());
__ Push(result_register());
if (expr->is_compound()) {
const Register scratch1 = x10;
const Register scratch2 = x11;
__ Peek(scratch1, 2 * kPointerSize);
__ Peek(scratch2, kPointerSize);
__ Push(scratch1, scratch2, result_register());
}
break;
case KEYED_PROPERTY:
if (expr->is_compound()) {
VisitForStackValue(property->obj());
......@@ -1939,6 +1939,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
......@@ -1989,6 +1993,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedSuperPropertyStore(property);
context()->Plug(x0);
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyStore(property);
context()->Plug(x0);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
......@@ -2320,14 +2328,27 @@ void FullCodeGenerator::EmitNamedSuperPropertyStore(Property* prop) {
Literal* key = prop->key()->AsLiteral();
DCHECK(key != NULL);
__ Push(x0);
__ Push(key->value());
__ Push(x0);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreToSuper_Strict
: Runtime::kStoreToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedSuperPropertyStore(Property* prop) {
// Assignment to named property of super.
// x0 : value
// stack : receiver ('this'), home_object, key
DCHECK(prop != NULL);
__ Push(x0);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreKeyedToSuper_Strict
: Runtime::kStoreKeyedToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
ASM_LOCATION("FullCodeGenerator::EmitKeyedPropertyAssignment");
// Assignment to a property, using a keyed store IC.
......@@ -4101,24 +4122,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
Comment cmnt(masm_, "[ CountOperation");
SetSourcePosition(expr->position());
// Expression can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* prop = expr->expression()->AsProperty();
// In case of a property we use the uninitialized expression context
// of the key to detect a named property.
if (prop != NULL) {
assign_type =
(prop->key()->IsPropertyName())
? (prop->IsSuperAccess() ? NAMED_SUPER_PROPERTY : NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(prop);
// Evaluate expression and get value.
if (assign_type == VARIABLE) {
......@@ -4130,12 +4135,16 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
if (expr->is_postfix() && !context()->IsEffect()) {
__ Push(xzr);
}
if (assign_type == NAMED_PROPERTY) {
switch (assign_type) {
case NAMED_PROPERTY: {
// Put the object both on the stack and in the register.
VisitForStackValue(prop->obj());
__ Peek(LoadDescriptor::ReceiverRegister(), 0);
EmitNamedPropertyLoad(prop);
} else if (assign_type == NAMED_SUPER_PROPERTY) {
break;
}
case NAMED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ Push(result_register());
......@@ -4143,13 +4152,35 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
__ Peek(scratch, kPointerSize);
__ Push(scratch, result_register());
EmitNamedSuperPropertyLoad(prop);
} else {
// KEYED_PROPERTY
break;
}
case KEYED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ Push(result_register());
VisitForAccumulatorValue(prop->key());
__ Push(result_register());
const Register scratch1 = x10;
const Register scratch2 = x11;
__ Peek(scratch1, 2 * kPointerSize);
__ Peek(scratch2, kPointerSize);
__ Push(scratch1, scratch2, result_register());
EmitKeyedSuperPropertyLoad(prop);
break;
}
case KEYED_PROPERTY: {
VisitForStackValue(prop->obj());
VisitForStackValue(prop->key());
__ Peek(LoadDescriptor::ReceiverRegister(), 1 * kPointerSize);
__ Peek(LoadDescriptor::NameRegister(), 0);
EmitKeyedPropertyLoad(prop);
break;
}
case VARIABLE:
UNREACHABLE();
}
}
......@@ -4189,6 +4220,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ Poke(x0, kPointerSize * 2);
break;
case KEYED_SUPER_PROPERTY:
__ Poke(x0, kPointerSize * 3);
break;
}
}
}
......@@ -4222,6 +4256,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ Poke(x0, 2 * kXRegSize);
break;
case KEYED_SUPER_PROPERTY:
__ Poke(x0, 3 * kXRegSize);
break;
}
}
}
......@@ -4290,6 +4327,17 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
case KEYED_SUPER_PROPERTY: {
EmitKeyedSuperPropertyStore(prop);
if (expr->is_postfix()) {
if (!context()->IsEffect()) {
context()->PlugTOS();
}
} else {
context()->Plug(x0);
}
break;
}
case KEYED_PROPERTY: {
__ Pop(StoreDescriptor::NameRegister());
__ Pop(StoreDescriptor::ReceiverRegister());
......
src/full-codegen.h
View file @ 53c9f0bb
......@@ -518,6 +518,24 @@ class FullCodeGenerator: public AstVisitor {
// Platform-specific support for compiling assignments.
// Left-hand side can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY,
KEYED_SUPER_PROPERTY
};
static LhsKind GetAssignType(Property* property) {
if (property == NULL) return VARIABLE;
bool super_access = property->IsSuperAccess();
return (property->key()->IsPropertyName())
? (super_access ? NAMED_SUPER_PROPERTY : NAMED_PROPERTY)
: (super_access ? KEYED_SUPER_PROPERTY : KEYED_PROPERTY);
}
// Load a value from a named property.
// The receiver is left on the stack by the IC.
void EmitNamedPropertyLoad(Property* expr);
......@@ -569,6 +587,10 @@ class FullCodeGenerator: public AstVisitor {
// is expected in accumulator.
void EmitNamedSuperPropertyStore(Property* prop);
// Complete a super named property assignment. The right-hand-side value
// is expected in accumulator.
void EmitKeyedSuperPropertyStore(Property* prop);
// Complete a keyed property assignment. The receiver and key are
// expected on top of the stack and the right-hand-side value in the
// accumulator.
......
src/ia32/full-codegen-ia32.cc
View file @ 53c9f0bb
......@@ -1820,22 +1820,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
Comment cmnt(masm_, "[ Assignment");
// Left-hand side can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* property = expr->target()->AsProperty();
if (property != NULL) {
assign_type = (property->key()->IsPropertyName())
? (property->IsSuperAccess() ? NAMED_SUPER_PROPERTY
: NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(property);
// Evaluate LHS expression.
switch (assign_type) {
......@@ -1860,6 +1846,18 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
VisitForStackValue(property->obj());
}
break;
case KEYED_SUPER_PROPERTY:
VisitForStackValue(property->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(property->obj()->AsSuperReference());
__ Push(result_register());
VisitForAccumulatorValue(property->key());
__ Push(result_register());
if (expr->is_compound()) {
__ push(MemOperand(esp, 2 * kPointerSize));
__ push(MemOperand(esp, 2 * kPointerSize));
__ push(result_register());
}
break;
case KEYED_PROPERTY: {
if (expr->is_compound()) {
VisitForStackValue(property->obj());
......@@ -1892,6 +1890,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
......@@ -1939,7 +1941,11 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
break;
case NAMED_SUPER_PROPERTY:
EmitNamedSuperPropertyStore(property);
context()->Plug(eax);
context()->Plug(result_register());
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyStore(property);
context()->Plug(result_register());
break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
......@@ -2574,14 +2580,26 @@ void FullCodeGenerator::EmitNamedSuperPropertyStore(Property* prop) {
Literal* key = prop->key()->AsLiteral();
DCHECK(key != NULL);
__ push(eax);
__ push(Immediate(key->value()));
__ push(eax);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreToSuper_Strict
: Runtime::kStoreToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedSuperPropertyStore(Property* prop) {
// Assignment to named property of super.
// eax : value
// stack : receiver ('this'), home_object, key
__ push(eax);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreKeyedToSuper_Strict
: Runtime::kStoreKeyedToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
// Assignment to a property, using a keyed store IC.
// eax : value
......@@ -4391,24 +4409,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
Comment cmnt(masm_, "[ CountOperation");
SetSourcePosition(expr->position());
// Expression can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* prop = expr->expression()->AsProperty();
// In case of a property we use the uninitialized expression context
// of the key to detect a named property.
if (prop != NULL) {
assign_type =
(prop->key()->IsPropertyName())
? (prop->IsSuperAccess() ? NAMED_SUPER_PROPERTY : NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(prop);
// Evaluate expression and get value.
if (assign_type == VARIABLE) {
......@@ -4420,25 +4422,50 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
if (expr->is_postfix() && !context()->IsEffect()) {
__ push(Immediate(Smi::FromInt(0)));
}
if (assign_type == NAMED_PROPERTY) {
switch (assign_type) {
case NAMED_PROPERTY: {
// Put the object both on the stack and in the register.
VisitForStackValue(prop->obj());
__ mov(LoadDescriptor::ReceiverRegister(), Operand(esp, 0));
EmitNamedPropertyLoad(prop);
} else if (assign_type == NAMED_SUPER_PROPERTY) {
break;
}
case NAMED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ push(result_register());
__ push(MemOperand(esp, kPointerSize));
__ push(result_register());
EmitNamedSuperPropertyLoad(prop);
} else {
break;
}
case KEYED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ push(result_register());
VisitForAccumulatorValue(prop->key());
__ push(result_register());
__ push(MemOperand(esp, 2 * kPointerSize));
__ push(MemOperand(esp, 2 * kPointerSize));
__ push(result_register());
EmitKeyedSuperPropertyLoad(prop);
break;
}
case KEYED_PROPERTY: {
VisitForStackValue(prop->obj());
VisitForStackValue(prop->key());
__ mov(LoadDescriptor::ReceiverRegister(),
Operand(esp, kPointerSize)); // Object.
__ mov(LoadDescriptor::NameRegister(), Operand(esp, 0)); // Key.
EmitKeyedPropertyLoad(prop);
break;
}
case VARIABLE:
UNREACHABLE();
}
}
......@@ -4476,6 +4503,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ mov(Operand(esp, 2 * kPointerSize), eax);
break;
case KEYED_SUPER_PROPERTY:
__ mov(Operand(esp, 3 * kPointerSize), eax);
break;
}
}
}
......@@ -4517,6 +4547,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ mov(Operand(esp, 2 * kPointerSize), eax);
break;
case KEYED_SUPER_PROPERTY:
__ mov(Operand(esp, 3 * kPointerSize), eax);
break;
}
}
}
......@@ -4584,6 +4617,17 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
case KEYED_SUPER_PROPERTY: {
EmitKeyedSuperPropertyStore(prop);
if (expr->is_postfix()) {
if (!context()->IsEffect()) {
context()->PlugTOS();
}
} else {
context()->Plug(eax);
}
break;
}
case KEYED_PROPERTY: {
__ pop(StoreDescriptor::NameRegister());
__ pop(StoreDescriptor::ReceiverRegister());
......
src/runtime/runtime-classes.cc
View file @ 53c9f0bb
......@@ -76,83 +76,6 @@ static Object* LoadFromSuper(Isolate* isolate, Handle<Object> receiver,
}
RUNTIME_FUNCTION(Runtime_LoadFromSuper) {
HandleScope scope(isolate);
DCHECK(args.length() == 3);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Name, name, 2);
return LoadFromSuper(isolate, receiver, home_object, name);
}
RUNTIME_FUNCTION(Runtime_LoadKeyedFromSuper) {
HandleScope scope(isolate);
DCHECK(args.length() == 3);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Object, key, 2);
Handle<Name> name;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, name,
Runtime::ToName(isolate, key));
uint32_t index;
if (name->AsArrayIndex(&index)) {
return ThrowUnsupportedSuper(isolate);
}
return LoadFromSuper(isolate, receiver, home_object, name);
}
static Object* StoreToSuper(Isolate* isolate, Handle<JSObject> home_object,
Handle<Object> receiver, Handle<Name> name,
Handle<Object> value, StrictMode strict_mode) {
if (home_object->IsAccessCheckNeeded() &&
!isolate->MayNamedAccess(home_object, name, v8::ACCESS_SET)) {
isolate->ReportFailedAccessCheck(home_object, v8::ACCESS_SET);
RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
}
PrototypeIterator iter(isolate, home_object);
Handle<Object> proto = PrototypeIterator::GetCurrent(iter);
if (!proto->IsJSReceiver()) return isolate->heap()->undefined_value();
LookupIterator it(receiver, name, Handle<JSReceiver>::cast(proto));
Handle<Object> result;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
isolate, result,
Object::SetProperty(&it, value, strict_mode,
Object::CERTAINLY_NOT_STORE_FROM_KEYED,
Object::SUPER_PROPERTY));
return *result;
}
RUNTIME_FUNCTION(Runtime_StoreToSuper_Strict) {
HandleScope scope(isolate);
DCHECK(args.length() == 4);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Object, value, 2);
CONVERT_ARG_HANDLE_CHECKED(Name, name, 3);
return StoreToSuper(isolate, home_object, receiver, name, value, STRICT);
}
RUNTIME_FUNCTION(Runtime_StoreToSuper_Sloppy) {
HandleScope scope(isolate);
DCHECK(args.length() == 4);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Object, value, 2);
CONVERT_ARG_HANDLE_CHECKED(Name, name, 3);
return StoreToSuper(isolate, home_object, receiver, name, value, SLOPPY);
}
RUNTIME_FUNCTION(Runtime_DefineClass) {
HandleScope scope(isolate);
DCHECK(args.length() == 6);
......@@ -284,5 +207,122 @@ RUNTIME_FUNCTION(Runtime_ClassGetSourceCode) {
source, Handle<Smi>::cast(start_position)->value(),
Handle<Smi>::cast(end_position)->value());
}
RUNTIME_FUNCTION(Runtime_LoadFromSuper) {
HandleScope scope(isolate);
DCHECK(args.length() == 3);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Name, name, 2);
return LoadFromSuper(isolate, receiver, home_object, name);
}
RUNTIME_FUNCTION(Runtime_LoadKeyedFromSuper) {
HandleScope scope(isolate);
DCHECK(args.length() == 3);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Object, key, 2);
Handle<Name> name;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, name,
Runtime::ToName(isolate, key));
uint32_t index;
if (name->AsArrayIndex(&index)) {
// TODO(dslomov): Implement.
return ThrowUnsupportedSuper(isolate);
}
return LoadFromSuper(isolate, receiver, home_object, name);
}
static Object* StoreToSuper(Isolate* isolate, Handle<JSObject> home_object,
Handle<Object> receiver, Handle<Name> name,
Handle<Object> value, StrictMode strict_mode) {
if (home_object->IsAccessCheckNeeded() &&
!isolate->MayNamedAccess(home_object, name, v8::ACCESS_SET)) {
isolate->ReportFailedAccessCheck(home_object, v8::ACCESS_SET);
RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
}
PrototypeIterator iter(isolate, home_object);
Handle<Object> proto = PrototypeIterator::GetCurrent(iter);
if (!proto->IsJSReceiver()) return isolate->heap()->undefined_value();
LookupIterator it(receiver, name, Handle<JSReceiver>::cast(proto));
Handle<Object> result;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
isolate, result,
Object::SetProperty(&it, value, strict_mode,
Object::CERTAINLY_NOT_STORE_FROM_KEYED,
Object::SUPER_PROPERTY));
return *result;
}
RUNTIME_FUNCTION(Runtime_StoreToSuper_Strict) {
HandleScope scope(isolate);
DCHECK(args.length() == 4);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Name, name, 2);
CONVERT_ARG_HANDLE_CHECKED(Object, value, 3);
return StoreToSuper(isolate, home_object, receiver, name, value, STRICT);
}
RUNTIME_FUNCTION(Runtime_StoreToSuper_Sloppy) {
HandleScope scope(isolate);
DCHECK(args.length() == 4);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Name, name, 2);
CONVERT_ARG_HANDLE_CHECKED(Object, value, 3);
return StoreToSuper(isolate, home_object, receiver, name, value, SLOPPY);
}
static Object* StoreKeyedToSuper(Isolate* isolate, Handle<JSObject> home_object,
Handle<Object> receiver, Handle<Object> key,
Handle<Object> value, StrictMode strict_mode) {
Handle<Name> name;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, name,
Runtime::ToName(isolate, key));
uint32_t index;
if (name->AsArrayIndex(&index)) {
// TODO(dslomov): Implement.
return ThrowUnsupportedSuper(isolate);
}
return StoreToSuper(isolate, home_object, receiver, name, value, strict_mode);
}
RUNTIME_FUNCTION(Runtime_StoreKeyedToSuper_Strict) {
HandleScope scope(isolate);
DCHECK(args.length() == 4);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Object, key, 2);
CONVERT_ARG_HANDLE_CHECKED(Object, value, 3);
return StoreKeyedToSuper(isolate, home_object, receiver, key, value, STRICT);
}
RUNTIME_FUNCTION(Runtime_StoreKeyedToSuper_Sloppy) {
HandleScope scope(isolate);
DCHECK(args.length() == 4);
CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 0);
CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 1);
CONVERT_ARG_HANDLE_CHECKED(Object, key, 2);
CONVERT_ARG_HANDLE_CHECKED(Object, value, 3);
return StoreKeyedToSuper(isolate, home_object, receiver, key, value, SLOPPY);
}
}
} // namespace v8::internal
src/runtime/runtime.h
View file @ 53c9f0bb
......@@ -187,14 +187,16 @@ namespace internal {
/* Classes support */ \
F(ToMethod, 2, 1) \
F(HomeObjectSymbol, 0, 1) \
F(DefineClass, 6, 1) \
F(ClassGetSourceCode, 1, 1) \
F(ThrowNonMethodError, 0, 1) \
F(ThrowUnsupportedSuperError, 0, 1) \
F(LoadFromSuper, 3, 1) \
F(LoadKeyedFromSuper, 3, 1) \
F(StoreToSuper_Strict, 4, 1) \
F(StoreToSuper_Sloppy, 4, 1) \
F(DefineClass, 6, 1) \
F(ClassGetSourceCode, 1, 1)
F(StoreKeyedToSuper_Strict, 4, 1) \
F(StoreKeyedToSuper_Sloppy, 4, 1)
#define RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
......
src/x64/full-codegen-x64.cc
View file @ 53c9f0bb
......@@ -1854,22 +1854,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
Comment cmnt(masm_, "[ Assignment");
// Left-hand side can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* property = expr->target()->AsProperty();
if (property != NULL) {
assign_type = (property->key()->IsPropertyName())
? (property->IsSuperAccess() ? NAMED_SUPER_PROPERTY
: NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(property);
// Evaluate LHS expression.
switch (assign_type) {
......@@ -1894,6 +1880,18 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
__ Push(result_register());
}
break;
case KEYED_SUPER_PROPERTY:
VisitForStackValue(property->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(property->obj()->AsSuperReference());
__ Push(result_register());
VisitForAccumulatorValue(property->key());
__ Push(result_register());
if (expr->is_compound()) {
__ Push(MemOperand(rsp, 2 * kPointerSize));
__ Push(MemOperand(rsp, 2 * kPointerSize));
__ Push(result_register());
}
break;
case KEYED_PROPERTY: {
if (expr->is_compound()) {
VisitForStackValue(property->obj());
......@@ -1925,6 +1923,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
......@@ -1974,6 +1976,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedSuperPropertyStore(property);
context()->Plug(rax);
break;
case KEYED_SUPER_PROPERTY:
EmitKeyedSuperPropertyStore(property);
context()->Plug(rax);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
......@@ -2571,14 +2577,27 @@ void FullCodeGenerator::EmitNamedSuperPropertyStore(Property* prop) {
Literal* key = prop->key()->AsLiteral();
DCHECK(key != NULL);
__ Push(rax);
__ Push(key->value());
__ Push(rax);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreToSuper_Strict
: Runtime::kStoreToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedSuperPropertyStore(Property* prop) {
// Assignment to named property of super.
// rax : value
// stack : receiver ('this'), home_object, key
DCHECK(prop != NULL);
__ Push(rax);
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreKeyedToSuper_Strict
: Runtime::kStoreKeyedToSuper_Sloppy),
4);
}
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
// Assignment to a property, using a keyed store IC.
......@@ -4406,24 +4425,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
Comment cmnt(masm_, "[ CountOperation");
SetSourcePosition(expr->position());
// Expression can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* prop = expr->expression()->AsProperty();
// In case of a property we use the uninitialized expression context
// of the key to detect a named property.
if (prop != NULL) {
assign_type =
(prop->key()->IsPropertyName())
? (prop->IsSuperAccess() ? NAMED_SUPER_PROPERTY : NAMED_PROPERTY)
: KEYED_PROPERTY;
}
LhsKind assign_type = GetAssignType(prop);
// Evaluate expression and get value.
if (assign_type == VARIABLE) {
......@@ -4435,18 +4438,38 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
if (expr->is_postfix() && !context()->IsEffect()) {
__ Push(Smi::FromInt(0));
}
if (assign_type == NAMED_PROPERTY) {
switch (assign_type) {
case NAMED_PROPERTY: {
VisitForStackValue(prop->obj());
__ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0));
EmitNamedPropertyLoad(prop);
} else if (assign_type == NAMED_SUPER_PROPERTY) {
break;
}
case NAMED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ Push(result_register());
__ Push(MemOperand(rsp, kPointerSize));
__ Push(result_register());
EmitNamedSuperPropertyLoad(prop);
} else {
break;
}
case KEYED_SUPER_PROPERTY: {
VisitForStackValue(prop->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(prop->obj()->AsSuperReference());
__ Push(result_register());
VisitForAccumulatorValue(prop->key());
__ Push(result_register());
__ Push(MemOperand(rsp, 2 * kPointerSize));
__ Push(MemOperand(rsp, 2 * kPointerSize));
__ Push(result_register());
EmitKeyedSuperPropertyLoad(prop);
break;
}
case KEYED_PROPERTY: {
VisitForStackValue(prop->obj());
VisitForStackValue(prop->key());
// Leave receiver on stack
......@@ -4454,6 +4477,11 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
// Copy of key, needed for later store.
__ movp(LoadDescriptor::NameRegister(), Operand(rsp, 0));
EmitKeyedPropertyLoad(prop);
break;
}
case VARIABLE:
UNREACHABLE();
}
}
......@@ -4491,6 +4519,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ movp(Operand(rsp, 2 * kPointerSize), rax);
break;
case KEYED_SUPER_PROPERTY:
__ movp(Operand(rsp, 3 * kPointerSize), rax);
break;
}
}
}
......@@ -4529,6 +4560,9 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case KEYED_PROPERTY:
__ movp(Operand(rsp, 2 * kPointerSize), rax);
break;
case KEYED_SUPER_PROPERTY:
__ movp(Operand(rsp, 3 * kPointerSize), rax);
break;
}
}
}
......@@ -4596,6 +4630,17 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
case KEYED_SUPER_PROPERTY: {
EmitKeyedSuperPropertyStore(prop);
if (expr->is_postfix()) {
if (!context()->IsEffect()) {
context()->PlugTOS();
}
} else {
context()->Plug(rax);
}
break;
}
case KEYED_PROPERTY: {
__ Pop(StoreDescriptor::NameRegister());
__ Pop(StoreDescriptor::ReceiverRegister());
......
test/mjsunit/harmony/super.js
View file @ 53c9f0bb
......@@ -228,6 +228,93 @@
}());
(function TestSetterKeyed() {
var x = 'x';
function Base() {}
Base.prototype = {
constructor: Base,
get x() {
return this._x;
},
set x(v) {
this._x = v;
},
_x: 'base'
};
function Derived() {}
Derived.__proto__ = Base;
Derived.prototype = {
__proto__: Base.prototype,
constructor: Derived,
_x: 'derived'
};
Derived.prototype.testSetter = function() {
assertEquals('foobar', super[x] = 'foobar');
assertEquals('foobarabc', super[x] += 'abc');
}.toMethod(Derived.prototype);
var d = new Derived();
d.testSetter();
assertEquals('base', Base.prototype._x);
assertEquals('foobarabc', d._x);
d._x = '';
Derived.prototype.testSetterStrict = function() {
'use strict';
assertEquals('foobar', super[x] = 'foobar');
assertEquals('foobarabc', super[x] += 'abc');
}.toMethod(Derived.prototype);
d.testSetterStrict();
assertEquals('base', Base.prototype._x);
assertEquals('foobarabc', d._x);
Derived.prototype.testSetterWithToString = function() {
var toStringCalled;
var o = { toString: function() {
toStringCalled++;
return 'x';
} };
toStringCalled = 0;
super[o] = 'set';
assertEquals(1, toStringCalled);
assertEquals('set', this._x);
var eToThrow = new Error();
var oThrowsInToString = { toString: function() {
throw eToThrow;
} };
var ex = null;
try {
super[oThrowsInToString] = 'xyz';
} catch(e) { ex = e }
assertEquals(eToThrow, ex);
assertEquals('set', this._x);
var oReturnsNumericString = { toString: function() {
return "1";
} };
ex = null;
try {
super[oReturnsNumericString] = 'abc';
} catch(e) { ex = e }
assertTrue(ex instanceof ReferenceError);
assertEquals('set', this._x);
ex = null;
try {
super[1] = 10; // Indexed properties unsupported yet.
} catch (e) { ex = e; }
assertTrue(ex instanceof ReferenceError);
}.toMethod(Derived.prototype);
d = new Derived();
d.testSetterWithToString();
}());
(function TestSetterDataProperties() {
function Base() {}
Base.prototype = {
......@@ -252,6 +339,31 @@
}());
(function TestKeyedSetterDataProperties() {
var x = 'x';
function Base() {}
Base.prototype = {
constructor: Base,
x: 'x from Base'
};
function Derived() {}
Derived.prototype = {
__proto__: Base.prototype,
constructor: Derived,
};
Derived.prototype.testSetter = function() {
assertEquals('x from Base', super[x]);
super[x] = 'data property';
assertEquals('x from Base', super[x]);
assertEquals('data property', this[x]);
}.toMethod(Derived.prototype);
new Derived().testSetter();
}());
(function TestAccessorsOnPrimitives() {
var getCalled = 0;
var setCalled = 0;
......@@ -342,6 +454,99 @@
}());
(function TestKeyedAccessorsOnPrimitives() {
var x = 'x';
var newProperty = 'newProperty';
var toString = 'toString';
var getCalled = 0;
var setCalled = 0;
function Base() {}
Base.prototype = {
constructor: Base,
get x() {
getCalled++;
return 1;
},
set x(v) {
setCalled++;
return v;
},
};
function Derived() {}
Derived.prototype = {
__proto__: Base.prototype,
constructor: Derived,
};
Derived.prototype.testSetter = function() {
setCalled = 0;
getCalled = 0;
assertEquals('object', typeof this);
assertTrue(this instanceof Number)
assertEquals(42, this.valueOf());
assertEquals(1, super[x]);
assertEquals(1, getCalled);
assertEquals(0, setCalled);
assertEquals(5, super[x] = 5);
assertEquals(1, getCalled);
assertEquals(1, setCalled);
assertEquals(6, super[x] += 5);
assertEquals(2, getCalled);
assertEquals(2, setCalled);
super[newProperty] = 15;
assertEquals(15, this[newProperty]);
assertEquals(undefined, super[newProperty]);
}.toMethod(Derived.prototype);
Derived.prototype.testSetterStrict = function() {
'use strict';
getCalled = 0;
setCalled = 0;
assertTrue(42 === this);
assertEquals(1, super[x]);
assertEquals(1, getCalled);
assertEquals(0, setCalled);
assertEquals(5, super[x] = 5);
assertEquals(1, getCalled);
assertEquals(1, setCalled);
assertEquals(6, super[x] += 5);
assertEquals(2, getCalled);
assertEquals(2, setCalled);
var ex;
try {
super[newProperty] = 15;
} catch (e) { ex = e; }
assertTrue(ex instanceof TypeError);
}.toMethod(Derived.prototype);
Derived.prototype.testSetter.call(42);
Derived.prototype.testSetterStrict.call(42);
function DerivedFromString() {}
DerivedFromString.prototype = Object.create(String.prototype);
function f() {
'use strict';
assertTrue(42 === this);
assertEquals(String.prototype.toString, super[toString]);
var ex;
try {
super[toString]();
} catch(e) { ex = e; }
assertTrue(ex instanceof TypeError);
}
f.toMethod(DerivedFromString.prototype).call(42);
}());
(function TestSetterUndefinedProperties() {
function Base() {}
function Derived() {}
......@@ -371,6 +576,36 @@
}());
(function TestKeyedSetterUndefinedProperties() {
var x = 'x';
function Base() {}
function Derived() {}
Derived.prototype = { __proto__ : Base.prototype };
Derived.prototype.mSloppy = function () {
assertEquals(undefined, super[x]);
assertEquals(undefined, this[x]);
super[x] = 10;
assertEquals(10, this[x]);
assertEquals(undefined, super[x]);
}.toMethod(Derived.prototype);
Derived.prototype.mStrict = function () {
'use strict';
assertEquals(undefined, super[x]);
assertEquals(undefined, this[x]);
super[x] = 10;
assertEquals(10, this[x]);
assertEquals(undefined, super[x]);
}.toMethod(Derived.prototype);
var d = new Derived();
d.mSloppy();
assertEquals(10, d.x);
var d1 = new Derived();
d1.mStrict();
assertEquals(10, d.x);
}());
(function TestSetterCreatingOwnProperties() {
function Base() {}
function Derived() {}
......@@ -425,6 +660,63 @@
}());
(function TestKeyedSetterCreatingOwnProperties() {
var ownReadOnly = 'ownReadOnly';
var ownReadonlyAccessor = 'ownReadonlyAccessor';
var ownSetter = 'ownSetter';
function Base() {}
function Derived() {}
Derived.prototype = { __proto__ : Base.prototype };
var setterCalled;
Derived.prototype.mSloppy = function() {
assertEquals(42, this[ownReadOnly]);
super[ownReadOnly] = 55;
assertEquals(42, this[ownReadOnly]);
assertEquals(15, this[ownReadonlyAccessor]);
super[ownReadonlyAccessor] = 55;
assertEquals(15, this[ownReadonlyAccessor]);
setterCalled = 0;
super[ownSetter] = 42;
assertEquals(1, setterCalled);
}.toMethod(Derived.prototype);
Derived.prototype.mStrict = function() {
'use strict';
assertEquals(42, this[ownReadOnly]);
var ex;
try {
super[ownReadOnly] = 55;
} catch(e) { ex = e; }
assertTrue(ex instanceof TypeError);
assertEquals(42, this[ownReadOnly]);
assertEquals(15, this[ownReadonlyAccessor]);
ex = null;
try {
super[ownReadonlyAccessor] = 55;
} catch(e) { ex = e; }
assertTrue(ex instanceof TypeError);
assertEquals(15, this[ownReadonlyAccessor]);
setterCalled = 0;
super[ownSetter] = 42;
assertEquals(1, setterCalled);
}.toMethod(Derived.prototype);
var d = new Derived();
Object.defineProperty(d, 'ownReadOnly', { value : 42, writable : false });
Object.defineProperty(d, 'ownSetter',
{ set : function() { setterCalled++; } });
Object.defineProperty(d, 'ownReadonlyAccessor',
{ get : function() { return 15; }});
d.mSloppy();
d.mStrict();
}());
(function TestSetterNoProtoWalk() {
function Base() {}
function Derived() {}
......@@ -492,6 +784,74 @@
}());
(function TestKeyedSetterNoProtoWalk() {
var x = 'x';
function Base() {}
function Derived() {}
var getCalled;
var setCalled;
Derived.prototype = {
__proto__ : Base.prototype,
get x() { getCalled++; return 42; },
set x(v) { setCalled++; }
};
Derived.prototype.mSloppy = function() {
setCalled = 0;
getCalled = 0;
assertEquals(42, this[x]);
assertEquals(1, getCalled);
assertEquals(0, setCalled);
getCalled = 0;
setCalled = 0;
this[x] = 43;
assertEquals(0, getCalled);
assertEquals(1, setCalled);
getCalled = 0;
setCalled = 0;
super[x] = 15;
assertEquals(0, setCalled);
assertEquals(0, getCalled);
assertEquals(15, this[x]);
assertEquals(0, getCalled);
assertEquals(0, setCalled);
}.toMethod(Derived.prototype);
Derived.prototype.mStrict = function() {
'use strict';
setCalled = 0;
getCalled = 0;
assertEquals(42, this[x]);
assertEquals(1, getCalled);
assertEquals(0, setCalled);
getCalled = 0;
setCalled = 0;
this[x] = 43;
assertEquals(0, getCalled);
assertEquals(1, setCalled);
getCalled = 0;
setCalled = 0;
super[x] = 15;
assertEquals(0, setCalled);
assertEquals(0, getCalled);
assertEquals(15, this[x]);
assertEquals(0, getCalled);
assertEquals(0, setCalled);
}.toMethod(Derived.prototype);
new Derived().mSloppy();
new Derived().mStrict();
}());
(function TestSetterDoesNotReconfigure() {
function Base() {}
function Derived() {}
......@@ -535,6 +895,51 @@
}());
(function TestKeyedSetterDoesNotReconfigure() {
var nonEnumConfig = 'nonEnumConfig';
var nonEnumNonConfig = 'nonEnumNonConfig';
function Base() {}
function Derived() {}
Derived.prototype.mStrict = function (){
'use strict';
super[nonEnumConfig] = 5;
var d1 = Object.getOwnPropertyDescriptor(this, 'nonEnumConfig');
assertEquals(5, d1.value);
assertTrue(d1.configurable);
assertFalse(d1.enumerable);
super[nonEnumNonConfig] = 5;
var d1 = Object.getOwnPropertyDescriptor(this, 'nonEnumNonConfig');
assertEquals(5, d1.value);
assertFalse(d1.configurable);
assertFalse(d1.enumerable);
}.toMethod(Derived.prototype);
Derived.prototype.mSloppy = function (){
super[nonEnumConfig] = 42;
var d1 = Object.getOwnPropertyDescriptor(this, 'nonEnumConfig');
assertEquals(42, d1.value);
assertTrue(d1.configurable);
assertFalse(d1.enumerable);
super[nonEnumNonConfig] = 42;
var d1 = Object.getOwnPropertyDescriptor(this, 'nonEnumNonConfig');
assertEquals(42, d1.value);
assertFalse(d1.configurable);
assertFalse(d1.enumerable);
}.toMethod(Derived.prototype);
var d = new Derived();
Object.defineProperty(d, 'nonEnumConfig',
{ value : 0, enumerable : false, configurable : true, writable : true });
Object.defineProperty(d, 'nonEnumNonConfig',
{ value : 0, enumerable : false, configurable : false, writable : true });
d.mStrict();
d.mSloppy();
}());
(function TestCountOperations() {
function Base() {}
Base.prototype = {
......@@ -583,6 +988,55 @@
}());
(function TestKeyedCountOperations() {
var x = 'x';
function Base() {}
Base.prototype = {
constructor: Base,
get x() {
return this._x;
},
set x(v) {
this._x = v;
},
_x: 1
};
function Derived() {}
Derived.__proto__ = Base;
Derived.prototype = {
__proto__: Base.prototype,
constructor: Derived,
_x: 2
};
Derived.prototype.testCounts = function() {
assertEquals(2, this._x);
assertEquals(2, super[x]);
super[x]++;
assertEquals(3, super[x]);
++super[x];
assertEquals(4, super[x]);
assertEquals(4, super[x]++);
assertEquals(5, super[x]);
assertEquals(6, ++super[x]);
assertEquals(6, super[x]);
assertEquals(6, this._x);
super[x]--;
assertEquals(5, super[x]);
--super[x];
assertEquals(4, super[x]);
assertEquals(4, super[x]--);
assertEquals(3, super[x]);
assertEquals(2, --super[x]);
assertEquals(2, super[x]);
assertEquals(2, this._x);
}.toMethod(Derived.prototype);
new Derived().testCounts();
}());
(function TestSuperCall() {
function Subclass(base, constructor) {
var homeObject = { __proto__ : base.prototype };
......
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