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Change strict mode poison pill to be the samme type error function (fixes issue 1387).

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We are now following the spec, and with regards to the error message we are following firefox (webkit still has different type errors in their nightly)
Review URL: http://codereview.chromium.org/7067017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8026 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
ricow@chromium.org 2011-05-24 11:07:06 +00:00
parent 59a7ce37a6
commit ab67432ed0
5 changed files with 72 additions and 66 deletions
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61
src/bootstrapper.cc
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@ -171,7 +171,7 @@ class Genesis BASE_EMBEDDED {
// Creates the empty function. Used for creating a context from scratch.
Handle<JSFunction> CreateEmptyFunction(Isolate* isolate);
// Creates the ThrowTypeError function. ECMA 5th Ed. 13.2.3
Handle<JSFunction> CreateThrowTypeErrorFunction(Builtins::Name builtin);
Handle<JSFunction> GetThrowTypeErrorFunction();
void CreateStrictModeFunctionMaps(Handle<JSFunction> empty);
// Creates the global objects using the global and the template passed in
@ -265,6 +265,7 @@ class Genesis BASE_EMBEDDED {
// These are the final, writable prototype, maps.
Handle<Map> function_instance_map_writable_prototype_;
Handle<Map> strict_mode_function_instance_map_writable_prototype_;
Handle<JSFunction> throw_type_error_function;
BootstrapperActive active_;
friend class Bootstrapper;
@ -549,22 +550,22 @@ Handle<DescriptorArray> Genesis::ComputeStrictFunctionInstanceDescriptor(
// ECMAScript 5th Edition, 13.2.3
Handle<JSFunction> Genesis::CreateThrowTypeErrorFunction(
Builtins::Name builtin) {
Handle<JSFunction> Genesis::GetThrowTypeErrorFunction() {
if (throw_type_error_function.is_null()) {
Handle<String> name = factory()->LookupAsciiSymbol("ThrowTypeError");
Handle<JSFunction> throw_type_error =
factory()->NewFunctionWithoutPrototype(name, kStrictMode);
Handle<Code> code = Handle<Code>(
isolate()->builtins()->builtin(builtin));
throw_type_error_function =
factory()->NewFunctionWithoutPrototype(name, kNonStrictMode);
Handle<Code> code(isolate()->builtins()->builtin(
Builtins::kStrictModePoisonPill));
throw_type_error_function->set_map(
global_context()->function_map());
throw_type_error_function->set_code(*code);
throw_type_error_function->shared()->set_code(*code);
throw_type_error_function->shared()->DontAdaptArguments();
throw_type_error->set_map(global_context()->strict_mode_function_map());
throw_type_error->set_code(*code);
throw_type_error->shared()->set_code(*code);
throw_type_error->shared()->DontAdaptArguments();
PreventExtensions(throw_type_error);
return throw_type_error;
PreventExtensions(throw_type_error_function);
}
return throw_type_error_function;
}
@ -621,17 +622,15 @@ void Genesis::CreateStrictModeFunctionMaps(Handle<JSFunction> empty) {
CreateStrictModeFunctionMap(
ADD_WRITEABLE_PROTOTYPE, empty, arguments, caller);
// Create the ThrowTypeError function instances.
Handle<JSFunction> arguments_throw =
CreateThrowTypeErrorFunction(Builtins::kStrictFunctionArguments);
Handle<JSFunction> caller_throw =
CreateThrowTypeErrorFunction(Builtins::kStrictFunctionCaller);
// Create the ThrowTypeError function instance.
Handle<JSFunction> throw_function =
GetThrowTypeErrorFunction();
// Complete the callback fixed arrays.
arguments->set(0, *arguments_throw);
arguments->set(1, *arguments_throw);
caller->set(0, *caller_throw);
caller->set(1, *caller_throw);
arguments->set(0, *throw_function);
arguments->set(1, *throw_function);
caller->set(0, *throw_function);
caller->set(1, *throw_function);
}
@ -1061,16 +1060,14 @@ void Genesis::InitializeGlobal(Handle<GlobalObject> inner_global,
Handle<FixedArray> callee = factory->NewFixedArray(2, TENURED);
Handle<FixedArray> caller = factory->NewFixedArray(2, TENURED);
Handle<JSFunction> callee_throw =
CreateThrowTypeErrorFunction(Builtins::kStrictArgumentsCallee);
Handle<JSFunction> caller_throw =
CreateThrowTypeErrorFunction(Builtins::kStrictArgumentsCaller);
Handle<JSFunction> throw_function =
GetThrowTypeErrorFunction();
// Install the ThrowTypeError functions.
callee->set(0, *callee_throw);
callee->set(1, *callee_throw);
caller->set(0, *caller_throw);
caller->set(1, *caller_throw);
callee->set(0, *throw_function);
callee->set(1, *throw_function);
caller->set(0, *throw_function);
caller->set(1, *throw_function);
// Create the descriptor array for the arguments object.
Handle<DescriptorArray> descriptors = factory->NewDescriptorArray(3);

26
src/builtins.cc
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@ -983,34 +983,12 @@ BUILTIN(ArrayConcat) {
// Strict mode poison pills
BUILTIN(StrictArgumentsCallee) {
BUILTIN(StrictModePoisonPill) {
HandleScope scope;
return isolate->Throw(*isolate->factory()->NewTypeError(
"strict_arguments_callee", HandleVector<Object>(NULL, 0)));
"strict_poison_pill", HandleVector<Object>(NULL, 0)));
}
BUILTIN(StrictArgumentsCaller) {
HandleScope scope;
return isolate->Throw(*isolate->factory()->NewTypeError(
"strict_arguments_caller", HandleVector<Object>(NULL, 0)));
}
BUILTIN(StrictFunctionCaller) {
HandleScope scope;
return isolate->Throw(*isolate->factory()->NewTypeError(
"strict_function_caller", HandleVector<Object>(NULL, 0)));
}
BUILTIN(StrictFunctionArguments) {
HandleScope scope;
return isolate->Throw(*isolate->factory()->NewTypeError(
"strict_function_arguments", HandleVector<Object>(NULL, 0)));
}
// -----------------------------------------------------------------------------
//

6
src/builtins.h
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@ -60,11 +60,7 @@ enum BuiltinExtraArguments {
V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \
V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) \
\
V(StrictArgumentsCallee, NO_EXTRA_ARGUMENTS) \
V(StrictArgumentsCaller, NO_EXTRA_ARGUMENTS) \
V(StrictFunctionCaller, NO_EXTRA_ARGUMENTS) \
V(StrictFunctionArguments, NO_EXTRA_ARGUMENTS)
V(StrictModePoisonPill, NO_EXTRA_ARGUMENTS)
// Define list of builtins implemented in assembly.
#define BUILTIN_LIST_A(V) \

5
src/messages.js
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@ -235,10 +235,7 @@ function FormatMessage(message) {
strict_function: ["In strict mode code, functions can only be declared at top level or immediately within another function." ],
strict_read_only_property: ["Cannot assign to read only property '", "%0", "' of ", "%1"],
strict_cannot_assign: ["Cannot assign to read only '", "%0", "' in strict mode"],
strict_arguments_callee: ["Cannot access property 'callee' of strict mode arguments"],
strict_arguments_caller: ["Cannot access property 'caller' of strict mode arguments"],
strict_function_caller: ["Cannot access property 'caller' of a strict mode function"],
strict_function_arguments: ["Cannot access property 'arguments' of a strict mode function"],
strict_poison_pill: ["'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them"],
strict_caller: ["Illegal access to a strict mode caller function."],
};
}

38
test/mjsunit/regress/regress-1387.js Normal file
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@ -0,0 +1,38 @@
// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Tests that we always return the same type error function when trying to
// access strict mode caller and callee.
function foo() {
'use strict';
return arguments;
}
var get1 = Object.getOwnPropertyDescriptor(foo(), "caller").get;
var get2 = Object.getOwnPropertyDescriptor(foo(), "callee").get;
assertEquals(get1, get2);