本文整理汇总了C++中UnlinkedFunctionExecutable类的典型用法代码示例。如果您正苦于以下问题：C++ UnlinkedFunctionExecutable类的具体用法？C++ UnlinkedFunctionExecutable怎么用？C++ UnlinkedFunctionExecutable使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了UnlinkedFunctionExecutable类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: RELEASE_ASSERT
JSObject* ProgramExecutable::initializeGlobalProperties(VM& vm, CallFrame* callFrame, JSScope* scope)
{
RELEASE_ASSERT(scope);
JSGlobalObject* globalObject = scope->globalObject();
RELEASE_ASSERT(globalObject);
ASSERT(&globalObject->vm() == &vm);
JSObject* exception = 0;
UnlinkedProgramCodeBlock* unlinkedCodeBlock = globalObject->createProgramCodeBlock(callFrame, this, &exception);
if (exception)
return exception;
m_unlinkedProgramCodeBlock.set(vm, this, unlinkedCodeBlock);
BatchedTransitionOptimizer optimizer(vm, globalObject);
const UnlinkedProgramCodeBlock::VariableDeclations& variableDeclarations = unlinkedCodeBlock->variableDeclarations();
const UnlinkedProgramCodeBlock::FunctionDeclations& functionDeclarations = unlinkedCodeBlock->functionDeclarations();
for (size_t i = 0; i < functionDeclarations.size(); ++i) {
UnlinkedFunctionExecutable* unlinkedFunctionExecutable = functionDeclarations[i].second.get();
JSValue value = JSFunction::create(vm, unlinkedFunctionExecutable->link(vm, m_source, lineNo(), 0), scope);
globalObject->addFunction(callFrame, functionDeclarations[i].first, value);
}
for (size_t i = 0; i < variableDeclarations.size(); ++i) {
if (variableDeclarations[i].second & DeclarationStacks::IsConstant)
globalObject->addConst(callFrame, variableDeclarations[i].first);
else
globalObject->addVar(callFrame, variableDeclarations[i].first);
}
return 0;
}
开发者ID:kunalnaithani，项目名称:webkit，代码行数:33，代码来源:Executable.cpp
示例2: RELEASE_ASSERT
JSObject* ProgramExecutable::initializeGlobalProperties(VM& vm, CallFrame* callFrame, JSScope* scope)
{
RELEASE_ASSERT(scope);
JSGlobalObject* globalObject = scope->globalObject();
RELEASE_ASSERT(globalObject);
ASSERT(&globalObject->vm() == &vm);
JSObject* exception = 0;
UnlinkedProgramCodeBlock* unlinkedCodeBlock = globalObject->createProgramCodeBlock(callFrame, this, &exception);
if (exception)
return exception;
m_unlinkedProgramCodeBlock.set(vm, this, unlinkedCodeBlock);
BatchedTransitionOptimizer optimizer(vm, globalObject);
for (size_t i = 0, numberOfFunctions = unlinkedCodeBlock->numberOfFunctionDecls(); i < numberOfFunctions; ++i) {
UnlinkedFunctionExecutable* unlinkedFunctionExecutable = unlinkedCodeBlock->functionDecl(i);
ASSERT(!unlinkedFunctionExecutable->name().isEmpty());
globalObject->addFunction(callFrame, unlinkedFunctionExecutable->name());
if (vm.typeProfiler() || vm.controlFlowProfiler()) {
vm.functionHasExecutedCache()->insertUnexecutedRange(sourceID(),
unlinkedFunctionExecutable->typeProfilingStartOffset(),
unlinkedFunctionExecutable->typeProfilingEndOffset());
}
}
const VariableEnvironment& variableDeclarations = unlinkedCodeBlock->variableDeclarations();
for (auto& entry : variableDeclarations) {
ASSERT(entry.value.isVar());
globalObject->addVar(callFrame, Identifier::fromUid(&vm, entry.key.get()));
}
return 0;
}
开发者ID:buchongyu，项目名称:webkit，代码行数:34，代码来源:Executable.cpp
示例3: visitChildren
void UnlinkedFunctionExecutable::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
UnlinkedFunctionExecutable* thisObject = jsCast<UnlinkedFunctionExecutable*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
Base::visitChildren(thisObject, visitor);
visitor.append(&thisObject->m_nameValue);
visitor.append(&thisObject->m_symbolTableForCall);
visitor.append(&thisObject->m_symbolTableForConstruct);
}
开发者ID:jiezh，项目名称:h5vcc，代码行数:11，代码来源:UnlinkedCodeBlock.cpp
示例4: fromGlobalCode
FunctionExecutable* FunctionExecutable::fromGlobalCode(
const Identifier& name, ExecState& exec, const SourceCode& source,
JSObject*& exception, int overrideLineNumber)
{
UnlinkedFunctionExecutable* unlinkedExecutable =
UnlinkedFunctionExecutable::fromGlobalCode(
name, exec, source, exception, overrideLineNumber);
if (!unlinkedExecutable)
return nullptr;
return unlinkedExecutable->link(exec.vm(), source, overrideLineNumber);
}
开发者ID:buchongyu，项目名称:webkit，代码行数:12，代码来源:Executable.cpp
示例5: fromGlobalCode
FunctionExecutable* FunctionExecutable::fromGlobalCode(const Identifier& name, ExecState* exec, Debugger* debugger, const SourceCode& source, JSObject** exception)
{
UnlinkedFunctionExecutable* unlinkedExecutable = UnlinkedFunctionExecutable::fromGlobalCode(name, exec, debugger, source, exception);
if (!unlinkedExecutable)
return 0;
unsigned lineCount = unlinkedExecutable->lineCount();
unsigned firstLine = source.firstLine() + unlinkedExecutable->firstLineOffset();
unsigned startOffset = source.startOffset() + unlinkedExecutable->startOffset();
// We don't have any owner executable. The source string is effectively like a global
// string (like in the handling of eval). Hence, the startColumn is always 1.
unsigned startColumn = 1;
unsigned sourceLength = unlinkedExecutable->sourceLength();
bool endColumnIsOnStartLine = !lineCount;
// The unlinkedBodyEndColumn is based-0. Hence, we need to add 1 to it. But if the
// endColumn is on the startLine, then we need to subtract back the adjustment for
// the open brace resulting in an adjustment of 0.
unsigned endColumnExcludingBraces = unlinkedExecutable->unlinkedBodyEndColumn() + (endColumnIsOnStartLine ? 0 : 1);
unsigned startOffsetExcludingOpenBrace = startOffset + 1;
unsigned endOffsetExcludingCloseBrace = startOffset + sourceLength - 1;
#if ENABLE(VMOLAB)
SourceCode bodySource(source.provider(), startOffset, startOffset + sourceLength, firstLine, startColumn);
return FunctionExecutable::create(exec->vm(), bodySource, unlinkedExecutable, firstLine, firstLine + lineCount, startColumn, endColumnExcludingBraces);
#else
SourceCode bodySource(source.provider(), startOffsetExcludingOpenBrace, endOffsetExcludingCloseBrace, firstLine, startColumn);
return FunctionExecutable::create(exec->vm(), bodySource, unlinkedExecutable, firstLine, firstLine + lineCount, startColumn, endColumnExcludingBraces, false);
#endif
}
开发者ID:highweb-project，项目名称:highweb-parallelwebkit，代码行数:29，代码来源:Executable.cpp
示例6: key
// FIXME: There's no need to add the function's name to the key here. It's already in the source code.
UnlinkedFunctionExecutable* CodeCache::getFunctionExecutableFromGlobalCode(VM& vm, const Identifier& name, const SourceCode& source, ParserError& error)
{
bool isArrowFunctionContext = false;
SourceCodeKey key(
source, name.string(), SourceCodeType::FunctionType,
JSParserBuiltinMode::NotBuiltin,
JSParserStrictMode::NotStrict,
JSParserCommentMode::Classic,
DerivedContextType::None,
EvalContextType::None,
isArrowFunctionContext);
SourceCodeValue* cache = m_sourceCode.findCacheAndUpdateAge(key);
if (cache) {
UnlinkedFunctionExecutable* executable = jsCast<UnlinkedFunctionExecutable*>(cache->cell.get());
source.provider()->setSourceURLDirective(executable->sourceURLDirective());
source.provider()->setSourceMappingURLDirective(executable->sourceMappingURLDirective());
return executable;
}
JSTextPosition positionBeforeLastNewline;
std::unique_ptr<ProgramNode> program = parse<ProgramNode>(
&vm, source, Identifier(), JSParserBuiltinMode::NotBuiltin,
JSParserStrictMode::NotStrict, JSParserCommentMode::Classic, SourceParseMode::ProgramMode, SuperBinding::NotNeeded,
error, &positionBeforeLastNewline);
if (!program) {
RELEASE_ASSERT(error.isValid());
return nullptr;
}
// This function assumes an input string that would result in a single function declaration.
StatementNode* statement = program->singleStatement();
ASSERT(statement);
ASSERT(statement->isBlock());
if (!statement || !statement->isBlock())
return nullptr;
StatementNode* funcDecl = static_cast<BlockNode*>(statement)->singleStatement();
ASSERT(funcDecl);
ASSERT(funcDecl->isFuncDeclNode());
if (!funcDecl || !funcDecl->isFuncDeclNode())
return nullptr;
FunctionMetadataNode* metadata = static_cast<FuncDeclNode*>(funcDecl)->metadata();
ASSERT(metadata);
if (!metadata)
return nullptr;
metadata->overrideName(name);
metadata->setEndPosition(positionBeforeLastNewline);
// The Function constructor only has access to global variables, so no variables will be under TDZ.
VariableEnvironment emptyTDZVariables;
UnlinkedFunctionExecutable* functionExecutable = UnlinkedFunctionExecutable::create(&vm, source, metadata, UnlinkedNormalFunction, ConstructAbility::CanConstruct, JSParserCommentMode::Classic, emptyTDZVariables, DerivedContextType::None);
functionExecutable->setSourceURLDirective(source.provider()->sourceURL());
functionExecutable->setSourceMappingURLDirective(source.provider()->sourceMappingURL());
m_sourceCode.addCache(key, SourceCodeValue(vm, functionExecutable, m_sourceCode.age()));
return functionExecutable;
}
开发者ID:Comcast，项目名称:WebKitForWayland，代码行数:60，代码来源:CodeCache.cpp
示例7: DECLARE_THROW_SCOPE
JSObject* ProgramExecutable::initializeGlobalProperties(VM& vm, CallFrame* callFrame, JSScope* scope)
{
auto throwScope = DECLARE_THROW_SCOPE(vm);
RELEASE_ASSERT(scope);
JSGlobalObject* globalObject = scope->globalObject();
RELEASE_ASSERT(globalObject);
ASSERT(&globalObject->vm() == &vm);
ParserError error;
JSParserStrictMode strictMode = isStrictMode() ? JSParserStrictMode::Strict : JSParserStrictMode::NotStrict;
DebuggerMode debuggerMode = globalObject->hasInteractiveDebugger() ? DebuggerOn : DebuggerOff;
UnlinkedProgramCodeBlock* unlinkedCodeBlock = vm.codeCache()->getUnlinkedProgramCodeBlock(
vm, this, source(), strictMode, debuggerMode, error);
if (globalObject->hasDebugger())
globalObject->debugger()->sourceParsed(callFrame, source().provider(), error.line(), error.message());
if (error.isValid())
return error.toErrorObject(globalObject, source());
JSValue nextPrototype = globalObject->getPrototypeDirect();
while (nextPrototype && nextPrototype.isObject()) {
if (UNLIKELY(asObject(nextPrototype)->type() == ProxyObjectType)) {
ExecState* exec = globalObject->globalExec();
return createTypeError(exec, ASCIILiteral("Proxy is not allowed in the global prototype chain."));
}
nextPrototype = asObject(nextPrototype)->getPrototypeDirect();
}
JSGlobalLexicalEnvironment* globalLexicalEnvironment = globalObject->globalLexicalEnvironment();
const VariableEnvironment& variableDeclarations = unlinkedCodeBlock->variableDeclarations();
const VariableEnvironment& lexicalDeclarations = unlinkedCodeBlock->lexicalDeclarations();
// The ES6 spec says that no vars/global properties/let/const can be duplicated in the global scope.
// This carried out section 15.1.8 of the ES6 spec: http://www.ecma-international.org/ecma-262/6.0/index.html#sec-globaldeclarationinstantiation
{
ExecState* exec = globalObject->globalExec();
// Check for intersection of "var" and "let"/"const"/"class"
for (auto& entry : lexicalDeclarations) {
if (variableDeclarations.contains(entry.key))
return createSyntaxError(exec, makeString("Can't create duplicate variable: '", String(entry.key.get()), "'"));
}
// Check if any new "let"/"const"/"class" will shadow any pre-existing global property names, or "var"/"let"/"const" variables.
// It's an error to introduce a shadow.
for (auto& entry : lexicalDeclarations) {
bool hasProperty = globalObject->hasProperty(exec, entry.key.get());
RETURN_IF_EXCEPTION(throwScope, throwScope.exception());
if (hasProperty) {
// The ES6 spec says that just RestrictedGlobalProperty can't be shadowed
// This carried out section 8.1.1.4.14 of the ES6 spec: http://www.ecma-international.org/ecma-262/6.0/index.html#sec-hasrestrictedglobalproperty
PropertyDescriptor descriptor;
globalObject->getOwnPropertyDescriptor(exec, entry.key.get(), descriptor);
if (descriptor.value() != jsUndefined() && !descriptor.configurable())
return createSyntaxError(exec, makeString("Can't create duplicate variable that shadows a global property: '", String(entry.key.get()), "'"));
}
hasProperty = globalLexicalEnvironment->hasProperty(exec, entry.key.get());
RETURN_IF_EXCEPTION(throwScope, throwScope.exception());
if (hasProperty) {
if (UNLIKELY(entry.value.isConst() && !vm.globalConstRedeclarationShouldThrow() && !isStrictMode())) {
// We only allow "const" duplicate declarations under this setting.
// For example, we don't "let" variables to be overridden by "const" variables.
if (globalLexicalEnvironment->isConstVariable(entry.key.get()))
continue;
}
return createSyntaxError(exec, makeString("Can't create duplicate variable: '", String(entry.key.get()), "'"));
}
}
// Check if any new "var"s will shadow any previous "let"/"const"/"class" names.
// It's an error to introduce a shadow.
if (!globalLexicalEnvironment->isEmpty()) {
for (auto& entry : variableDeclarations) {
bool hasProperty = globalLexicalEnvironment->hasProperty(exec, entry.key.get());
RETURN_IF_EXCEPTION(throwScope, throwScope.exception());
if (hasProperty)
return createSyntaxError(exec, makeString("Can't create duplicate variable: '", String(entry.key.get()), "'"));
}
}
}
m_unlinkedProgramCodeBlock.set(vm, this, unlinkedCodeBlock);
BatchedTransitionOptimizer optimizer(vm, globalObject);
for (size_t i = 0, numberOfFunctions = unlinkedCodeBlock->numberOfFunctionDecls(); i < numberOfFunctions; ++i) {
UnlinkedFunctionExecutable* unlinkedFunctionExecutable = unlinkedCodeBlock->functionDecl(i);
ASSERT(!unlinkedFunctionExecutable->name().isEmpty());
globalObject->addFunction(callFrame, unlinkedFunctionExecutable->name());
if (vm.typeProfiler() || vm.controlFlowProfiler()) {
vm.functionHasExecutedCache()->insertUnexecutedRange(sourceID(),
unlinkedFunctionExecutable->typeProfilingStartOffset(),
unlinkedFunctionExecutable->typeProfilingEndOffset());
}
}
for (auto& entry : variableDeclarations) {
//.........这里部分代码省略.........
开发者ID:caiolima，项目名称:webkit，代码行数:101，代码来源:ProgramExecutable.cpp
示例8: RELEASE_ASSERT
JSObject* ProgramExecutable::initializeGlobalProperties(VM& vm, CallFrame* callFrame, JSScope* scope)
{
RELEASE_ASSERT(scope);
JSGlobalObject* globalObject = scope->globalObject();
RELEASE_ASSERT(globalObject);
ASSERT(&globalObject->vm() == &vm);
JSObject* exception = 0;
UnlinkedProgramCodeBlock* unlinkedCodeBlock = globalObject->createProgramCodeBlock(callFrame, this, &exception);
if (exception)
return exception;
JSGlobalLexicalEnvironment* globalLexicalEnvironment = globalObject->globalLexicalEnvironment();
const VariableEnvironment& variableDeclarations = unlinkedCodeBlock->variableDeclarations();
const VariableEnvironment& lexicalDeclarations = unlinkedCodeBlock->lexicalDeclarations();
// The ES6 spec says that no vars/global properties/let/const can be duplicated in the global scope.
// This carried out section 15.1.8 of the ES6 spec: http://www.ecma-international.org/ecma-262/6.0/index.html#sec-globaldeclarationinstantiation
{
ExecState* exec = globalObject->globalExec();
// Check for intersection of "var" and "let"/"const"/"class"
for (auto& entry : lexicalDeclarations) {
if (variableDeclarations.contains(entry.key))
return createSyntaxError(exec, makeString("Can't create duplicate variable: '", String(entry.key.get()), "'"));
}
// Check if any new "let"/"const"/"class" will shadow any pre-existing global property names, or "var"/"let"/"const" variables.
// It's an error to introduce a shadow.
for (auto& entry : lexicalDeclarations) {
if (globalObject->hasProperty(exec, entry.key.get()))
return createSyntaxError(exec, makeString("Can't create duplicate variable that shadows a global property: '", String(entry.key.get()), "'"));
if (globalLexicalEnvironment->hasProperty(exec, entry.key.get()))
return createSyntaxError(exec, makeString("Can't create duplicate variable: '", String(entry.key.get()), "'"));
}
// Check if any new "var"s will shadow any previous "let"/"const"/"class" names.
// It's an error to introduce a shadow.
if (!globalLexicalEnvironment->isEmpty()) {
for (auto& entry : variableDeclarations) {
if (globalLexicalEnvironment->hasProperty(exec, entry.key.get()))
return createSyntaxError(exec, makeString("Can't create duplicate variable: '", String(entry.key.get()), "'"));
}
}
}
m_unlinkedProgramCodeBlock.set(vm, this, unlinkedCodeBlock);
BatchedTransitionOptimizer optimizer(vm, globalObject);
for (size_t i = 0, numberOfFunctions = unlinkedCodeBlock->numberOfFunctionDecls(); i < numberOfFunctions; ++i) {
UnlinkedFunctionExecutable* unlinkedFunctionExecutable = unlinkedCodeBlock->functionDecl(i);
ASSERT(!unlinkedFunctionExecutable->name().isEmpty());
globalObject->addFunction(callFrame, unlinkedFunctionExecutable->name());
if (vm.typeProfiler() || vm.controlFlowProfiler()) {
vm.functionHasExecutedCache()->insertUnexecutedRange(sourceID(),
unlinkedFunctionExecutable->typeProfilingStartOffset(),
unlinkedFunctionExecutable->typeProfilingEndOffset());
}
}
for (auto& entry : variableDeclarations) {
ASSERT(entry.value.isVar());
globalObject->addVar(callFrame, Identifier::fromUid(&vm, entry.key.get()));
}
{
JSGlobalLexicalEnvironment* globalLexicalEnvironment = jsCast<JSGlobalLexicalEnvironment*>(globalObject->globalScope());
SymbolTable* symbolTable = globalLexicalEnvironment->symbolTable();
ConcurrentJITLocker locker(symbolTable->m_lock);
for (auto& entry : lexicalDeclarations) {
ScopeOffset offset = symbolTable->takeNextScopeOffset(locker);
SymbolTableEntry newEntry(VarOffset(offset), entry.value.isConst() ? ReadOnly : 0);
newEntry.prepareToWatch();
symbolTable->add(locker, entry.key.get(), newEntry);
ScopeOffset offsetForAssert = globalLexicalEnvironment->addVariables(1, jsTDZValue());
RELEASE_ASSERT(offsetForAssert == offset);
}
}
return 0;
}
开发者ID:rhythmkay，项目名称:webkit，代码行数:82，代码来源:Executable.cpp
注：本文中的UnlinkedFunctionExecutable类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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