diff options
Diffstat (limited to 'JavaScriptCore/parser/Parser.h')
| -rw-r--r-- | JavaScriptCore/parser/Parser.h | 53 |
1 files changed, 39 insertions, 14 deletions
diff --git a/JavaScriptCore/parser/Parser.h b/JavaScriptCore/parser/Parser.h index 894f709..6549067 100644 --- a/JavaScriptCore/parser/Parser.h +++ b/JavaScriptCore/parser/Parser.h @@ -24,6 +24,7 @@ #define Parser_h #include "Debugger.h" +#include "ExceptionHelpers.h" #include "Executable.h" #include "JSGlobalObject.h" #include "Lexer.h" @@ -38,6 +39,7 @@ namespace JSC { class FunctionBodyNode; + class ProgramNode; class UString; @@ -46,44 +48,67 @@ namespace JSC { class Parser : public Noncopyable { public: template <class ParsedNode> - PassRefPtr<ParsedNode> parse(JSGlobalData* globalData, Debugger*, ExecState*, const SourceCode& source, int* errLine = 0, UString* errMsg = 0); + PassRefPtr<ParsedNode> parse(JSGlobalObject* lexicalGlobalObject, Debugger*, ExecState*, const SourceCode& source, FunctionParameters*, JSParserStrictness strictness, JSObject** exception); void didFinishParsing(SourceElements*, ParserArenaData<DeclarationStacks::VarStack>*, - ParserArenaData<DeclarationStacks::FunctionStack>*, CodeFeatures features, int lastLine, int numConstants); + ParserArenaData<DeclarationStacks::FunctionStack>*, CodeFeatures features, + int lastLine, int numConstants, IdentifierSet&); ParserArena& arena() { return m_arena; } private: - void parse(JSGlobalData*, int* errLine, UString* errMsg); + void parse(JSGlobalObject* lexicalGlobalObject, FunctionParameters*, JSParserStrictness strictness, JSParserMode mode, int* errLine, UString* errMsg); + + // Used to determine type of error to report. + bool isFunctionBodyNode(ScopeNode*) { return false; } + bool isFunctionBodyNode(FunctionBodyNode*) { return true; } ParserArena m_arena; const SourceCode* m_source; SourceElements* m_sourceElements; ParserArenaData<DeclarationStacks::VarStack>* m_varDeclarations; ParserArenaData<DeclarationStacks::FunctionStack>* m_funcDeclarations; + IdentifierSet m_capturedVariables; CodeFeatures m_features; int m_lastLine; int m_numConstants; }; template <class ParsedNode> - PassRefPtr<ParsedNode> Parser::parse(JSGlobalData* globalData, Debugger* debugger, ExecState* debuggerExecState, const SourceCode& source, int* errLine, UString* errMsg) + PassRefPtr<ParsedNode> Parser::parse(JSGlobalObject* lexicalGlobalObject, Debugger* debugger, ExecState* debuggerExecState, const SourceCode& source, FunctionParameters* parameters, JSParserStrictness strictness, JSObject** exception) { + ASSERT(lexicalGlobalObject); + ASSERT(exception && !*exception); + int errLine; + UString errMsg; + m_source = &source; if (ParsedNode::scopeIsFunction) - globalData->lexer->setIsReparsing(); - parse(globalData, errLine, errMsg); + lexicalGlobalObject->globalData().lexer->setIsReparsing(); + parse(lexicalGlobalObject, parameters, strictness, ParsedNode::isFunctionNode ? JSParseFunctionCode : JSParseProgramCode, &errLine, &errMsg); RefPtr<ParsedNode> result; if (m_sourceElements) { - result = ParsedNode::create(globalData, - m_sourceElements, - m_varDeclarations ? &m_varDeclarations->data : 0, - m_funcDeclarations ? &m_funcDeclarations->data : 0, - source, - m_features, - m_numConstants); + result = ParsedNode::create(&lexicalGlobalObject->globalData(), + m_sourceElements, + m_varDeclarations ? &m_varDeclarations->data : 0, + m_funcDeclarations ? &m_funcDeclarations->data : 0, + m_capturedVariables, + source, + m_features, + m_numConstants); result->setLoc(m_source->firstLine(), m_lastLine); + } else if (lexicalGlobalObject) { + // We can never see a syntax error when reparsing a function, since we should have + // reported the error when parsing the containing program or eval code. So if we're + // parsing a function body node, we assume that what actually happened here is that + // we ran out of stack while parsing. If we see an error while parsing eval or program + // code we assume that it was a syntax error since running out of stack is much less + // likely, and we are currently unable to distinguish between the two cases. + if (isFunctionBodyNode(static_cast<ParsedNode*>(0))) + *exception = createStackOverflowError(lexicalGlobalObject); + else + *exception = addErrorInfo(&lexicalGlobalObject->globalData(), createSyntaxError(lexicalGlobalObject, errMsg), errLine, source); } m_arena.reset(); @@ -94,7 +119,7 @@ namespace JSC { m_funcDeclarations = 0; if (debugger && !ParsedNode::scopeIsFunction) - debugger->sourceParsed(debuggerExecState, source, *errLine, *errMsg); + debugger->sourceParsed(debuggerExecState, source, errLine, errMsg); return result.release(); } |
