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/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "Parser.h"
#include "Debugger.h"
#include "Lexer.h"
#include <wtf/HashSet.h>
#include <wtf/Vector.h>
#include <memory>
using std::auto_ptr;
#ifndef yyparse
extern int jscyyparse(void*);
#endif
namespace JSC {
void Parser::parse(JSGlobalData* globalData, int* errLine, UString* errMsg)
{
ASSERT(!m_sourceElements);
int defaultErrLine;
UString defaultErrMsg;
if (!errLine)
errLine = &defaultErrLine;
if (!errMsg)
errMsg = &defaultErrMsg;
*errLine = -1;
*errMsg = 0;
Lexer& lexer = *globalData->lexer;
lexer.setCode(*m_source);
int parseError = jscyyparse(globalData);
bool lexError = lexer.sawError();
lexer.clear();
ParserRefCounted::deleteNewObjects(globalData);
if (parseError || lexError) {
*errLine = lexer.lineNo();
*errMsg = "Parse error";
m_sourceElements.clear();
}
}
void Parser::reparseInPlace(JSGlobalData* globalData, FunctionBodyNode* functionBodyNode)
{
ASSERT(!functionBodyNode->data());
m_source = &functionBodyNode->source();
globalData->lexer->setIsReparsing();
parse(globalData, 0, 0);
ASSERT(m_sourceElements);
functionBodyNode->adoptData(std::auto_ptr<ScopeNodeData>(new ScopeNodeData(m_sourceElements.get(),
m_varDeclarations ? &m_varDeclarations->data : 0,
m_funcDeclarations ? &m_funcDeclarations->data : 0,
m_numConstants)));
bool usesArguments = functionBodyNode->usesArguments();
functionBodyNode->setFeatures(m_features);
if (usesArguments && !functionBodyNode->usesArguments())
functionBodyNode->setUsesArguments();
m_source = 0;
m_sourceElements = 0;
m_varDeclarations = 0;
m_funcDeclarations = 0;
}
void Parser::didFinishParsing(SourceElements* sourceElements, ParserRefCountedData<DeclarationStacks::VarStack>* varStack,
ParserRefCountedData<DeclarationStacks::FunctionStack>* funcStack, CodeFeatures features, int lastLine, int numConstants)
{
m_sourceElements = sourceElements;
m_varDeclarations = varStack;
m_funcDeclarations = funcStack;
m_features = features;
m_lastLine = lastLine;
m_numConstants = numConstants;
}
} // namespace JSC
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