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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/3rdparty/webkit/JavaScriptCore/parser/Parser.cpp | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/parser/Parser.cpp')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/parser/Parser.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/Parser.cpp b/src/3rdparty/webkit/JavaScriptCore/parser/Parser.cpp new file mode 100644 index 0000000..1b1e4d7 --- /dev/null +++ b/src/3rdparty/webkit/JavaScriptCore/parser/Parser.cpp @@ -0,0 +1,104 @@ +/* + * 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; + +extern int jscyyparse(void*); + +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 |