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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
commit32761a6cee1d0dee366b885b7b9c777e67885688 (patch)
treed6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/builtins/BuiltinExecutables.cpp
parenta4e969f4965059196ca948db781e52f7cfebf19e (diff)
downloadWebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz
webkitgtk-2.4.11webkitgtk-2.4.11
Diffstat (limited to 'Source/JavaScriptCore/builtins/BuiltinExecutables.cpp')
-rw-r--r--Source/JavaScriptCore/builtins/BuiltinExecutables.cpp131
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diff --git a/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp b/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp
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--- a/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp
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@@ -1,131 +0,0 @@
-/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
- */
-
-
-#include "config.h"
-#include "BuiltinExecutables.h"
-
-#include "BuiltinNames.h"
-#include "Executable.h"
-#include "JSCInlines.h"
-#include "Parser.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace JSC {
-
-static UnlinkedFunctionExecutable* createExecutableInternal(VM&, const SourceCode&, const Identifier&, ConstructorKind, ConstructAbility);
-
-BuiltinExecutables::BuiltinExecutables(VM& vm)
- : m_vm(vm)
-#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, length) , m_##name##Source(makeSource(StringImpl::createFromLiteral(s_##name, length)))
- JSC_FOREACH_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
-#undef EXPOSE_BUILTIN_STRINGS
-{
-}
-
-UnlinkedFunctionExecutable* BuiltinExecutables::createDefaultConstructor(ConstructorKind constructorKind, const Identifier& name)
-{
- static NeverDestroyed<const String> baseConstructorCode(ASCIILiteral("(function () { })"));
- static NeverDestroyed<const String> derivedConstructorCode(ASCIILiteral("(function () { super(...arguments); })"));
-
- switch (constructorKind) {
- case ConstructorKind::None:
- break;
- case ConstructorKind::Base:
- return createExecutableInternal(m_vm, makeSource(baseConstructorCode), name, constructorKind, ConstructAbility::CanConstruct);
- case ConstructorKind::Derived:
- return createExecutableInternal(m_vm, makeSource(derivedConstructorCode), name, constructorKind, ConstructAbility::CanConstruct);
- }
- ASSERT_NOT_REACHED();
- return nullptr;
-}
-
-UnlinkedFunctionExecutable* BuiltinExecutables::createBuiltinExecutable(const SourceCode& code, const Identifier& name, ConstructAbility constructAbility)
-{
- return createExecutableInternal(m_vm, code, name, ConstructorKind::None, constructAbility);
-}
-
-UnlinkedFunctionExecutable* createBuiltinExecutable(VM& vm, const SourceCode& code, const Identifier& name, ConstructAbility constructAbility)
-{
- return createExecutableInternal(vm, code, name, ConstructorKind::None, constructAbility);
-}
-
-UnlinkedFunctionExecutable* createExecutableInternal(VM& vm, const SourceCode& source, const Identifier& name, ConstructorKind constructorKind, ConstructAbility constructAbility)
-{
- JSTextPosition positionBeforeLastNewline;
- ParserError error;
- bool isParsingDefaultConstructor = constructorKind != ConstructorKind::None;
- JSParserBuiltinMode builtinMode = isParsingDefaultConstructor ? JSParserBuiltinMode::NotBuiltin : JSParserBuiltinMode::Builtin;
- UnlinkedFunctionKind kind = isParsingDefaultConstructor ? UnlinkedNormalFunction : UnlinkedBuiltinFunction;
- RefPtr<SourceProvider> sourceOverride = isParsingDefaultConstructor ? source.provider() : nullptr;
- std::unique_ptr<ProgramNode> program = parse<ProgramNode>(
- &vm, source, Identifier(), builtinMode,
- JSParserStrictMode::NotStrict, SourceParseMode::ProgramMode, SuperBinding::NotNeeded, error,
- &positionBeforeLastNewline, constructorKind);
-
- if (!program) {
- dataLog("Fatal error compiling builtin function '", name.string(), "': ", error.message());
- CRASH();
- }
-
- StatementNode* exprStatement = program->singleStatement();
- RELEASE_ASSERT(exprStatement);
- RELEASE_ASSERT(exprStatement->isExprStatement());
- ExpressionNode* funcExpr = static_cast<ExprStatementNode*>(exprStatement)->expr();
- RELEASE_ASSERT(funcExpr);
- RELEASE_ASSERT(funcExpr->isFuncExprNode());
- FunctionMetadataNode* metadata = static_cast<FuncExprNode*>(funcExpr)->metadata();
- RELEASE_ASSERT(!program->hasCapturedVariables());
-
- metadata->setEndPosition(positionBeforeLastNewline);
- RELEASE_ASSERT(metadata);
- RELEASE_ASSERT(metadata->ident().isNull());
-
- // This function assumes an input string that would result in a single anonymous function expression.
- metadata->setEndPosition(positionBeforeLastNewline);
- RELEASE_ASSERT(metadata);
- metadata->overrideName(name);
- VariableEnvironment dummyTDZVariables;
- UnlinkedFunctionExecutable* functionExecutable = UnlinkedFunctionExecutable::create(&vm, source, metadata, kind, constructAbility, dummyTDZVariables, DerivedContextType::None, WTFMove(sourceOverride));
- functionExecutable->setNameValue(vm, jsString(&vm, name.string()));
- return functionExecutable;
-}
-
-void BuiltinExecutables::finalize(Handle<Unknown>, void* context)
-{
- static_cast<Weak<UnlinkedFunctionExecutable>*>(context)->clear();
-}
-
-#define DEFINE_BUILTIN_EXECUTABLES(name, functionName, length) \
-UnlinkedFunctionExecutable* BuiltinExecutables::name##Executable() \
-{\
- if (!m_##name##Executable)\
- m_##name##Executable = Weak<UnlinkedFunctionExecutable>(createBuiltinExecutable(m_##name##Source, m_vm.propertyNames->builtinNames().functionName##PublicName(), s_##name##ConstructAbility), this, &m_##name##Executable);\
- return m_##name##Executable.get();\
-}
-JSC_FOREACH_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
-#undef EXPOSE_BUILTIN_SOURCES
-
-}