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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
commit | 32761a6cee1d0dee366b885b7b9c777e67885688 (patch) | |
tree | d6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/builtins/BuiltinExecutables.cpp | |
parent | a4e969f4965059196ca948db781e52f7cfebf19e (diff) | |
download | WebKitGtk-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.cpp | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp b/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp deleted file mode 100644 index 0d59afccc..000000000 --- a/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp +++ /dev/null @@ -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 - -} |