diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/parser')
10 files changed, 292 insertions, 40 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/Grammar.y b/src/3rdparty/webkit/JavaScriptCore/parser/Grammar.y index 354c78630..a3bf1feae 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/Grammar.y +++ b/src/3rdparty/webkit/JavaScriptCore/parser/Grammar.y @@ -62,7 +62,7 @@ static inline bool allowAutomaticSemicolon(JSC::Lexer&, int); #define AUTO_SEMICOLON do { if (!allowAutomaticSemicolon(*LEXER, yychar)) YYABORT; } while (0) #define SET_EXCEPTION_LOCATION(node, start, divot, end) node->setExceptionSourceCode((divot), (divot) - (start), (end) - (divot)) -#define DBG(l, s, e) (l)->setLoc((s).first_line, (e).last_line) +#define DBG(l, s, e) (l)->setLoc((s).first_line, (e).last_line, (s).first_column + 1) using namespace JSC; using namespace std; diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.cpp b/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.cpp index 8e89c18a9..c36763c1b 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.cpp @@ -59,6 +59,7 @@ static const UChar byteOrderMark = 0xFEFF; Lexer::Lexer(JSGlobalData* globalData) : m_isReparsing(false) , m_globalData(globalData) + , m_startColumnNumberCorrection(0) , m_keywordTable(JSC::mainTable) { m_buffer8.reserveInitialCapacity(initialReadBufferCapacity); @@ -201,6 +202,7 @@ void Lexer::shiftLineTerminator() else shift1(); + m_startColumnNumberCorrection = currentOffset(); ++m_lineNumber; } @@ -293,11 +295,15 @@ start: int startOffset = currentOffset(); if (m_current == -1) { +#ifndef QT_BUILD_SCRIPT_LIB /* the parser takes cate about automatic semicolon. + this might add incorrect semicolons */ + //m_delimited and m_isReparsing are now useless if (!m_terminator && !m_delimited && !m_isReparsing) { // automatic semicolon insertion if program incomplete token = ';'; goto doneSemicolon; } +#endif return 0; } @@ -893,11 +899,11 @@ doneString: // Fall through into returnToken. returnToken: { - int lineNumber = m_lineNumber; - llocp->first_line = lineNumber; - llocp->last_line = lineNumber; - llocp->first_column = startOffset; - llocp->last_column = currentOffset(); + llocp->first_line = m_lineNumber; + llocp->last_line = m_lineNumber; + + llocp->first_column = startOffset - m_startColumnNumberCorrection; + llocp->last_column = currentOffset() - m_startColumnNumberCorrection; m_lastToken = token; return token; diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.h b/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.h index 25831628d..0ef6dd49a 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.h +++ b/src/3rdparty/webkit/JavaScriptCore/parser/Lexer.h @@ -87,6 +87,10 @@ namespace JSC { static const size_t initialIdentifierTableCapacity = 64; int m_lineNumber; + // this variable is supposed to keep index of last new line character ('\n' or '\r\n'or '\n\r'...) + // it is importent to calculate correct first_column in parser + int m_startColumnNumberCorrection; + Vector<char> m_buffer8; Vector<UChar> m_buffer16; diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/NodeConstructors.h b/src/3rdparty/webkit/JavaScriptCore/parser/NodeConstructors.h index 780a6246e..c25619079 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/NodeConstructors.h +++ b/src/3rdparty/webkit/JavaScriptCore/parser/NodeConstructors.h @@ -63,6 +63,7 @@ namespace JSC { inline StatementNode::StatementNode(JSGlobalData* globalData) : Node(globalData) , m_lastLine(-1) + , m_column(-1) { } diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.cpp b/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.cpp index 6c0d1af0c..9d9fe7202 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.cpp @@ -83,10 +83,11 @@ RegisterID* ThrowableExpressionData::emitThrowError(BytecodeGenerator& generator // ------------------------------ StatementNode -------------------------------- -void StatementNode::setLoc(int firstLine, int lastLine) +void StatementNode::setLoc(int firstLine, int lastLine, int column) { m_line = firstLine; m_lastLine = lastLine; + m_column = column; } // ------------------------------ SourceElements -------------------------------- @@ -1225,7 +1226,7 @@ RegisterID* ConstDeclNode::emitBytecode(BytecodeGenerator& generator, RegisterID RegisterID* ConstStatementNode::emitBytecode(BytecodeGenerator& generator, RegisterID*) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); return generator.emitNode(m_next); } @@ -1250,7 +1251,7 @@ RegisterID* BlockNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds RegisterID* EmptyStatementNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); return dst; } @@ -1258,7 +1259,7 @@ RegisterID* EmptyStatementNode::emitBytecode(BytecodeGenerator& generator, Regis RegisterID* DebuggerStatementNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(DidReachBreakpoint, firstLine(), lastLine()); + generator.emitDebugHook(DidReachBreakpoint, firstLine(), lastLine(), column()); return dst; } @@ -1267,7 +1268,7 @@ RegisterID* DebuggerStatementNode::emitBytecode(BytecodeGenerator& generator, Re RegisterID* ExprStatementNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { ASSERT(m_expr); - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); return generator.emitNode(dst, m_expr); } @@ -1276,7 +1277,7 @@ RegisterID* ExprStatementNode::emitBytecode(BytecodeGenerator& generator, Regist RegisterID* VarStatementNode::emitBytecode(BytecodeGenerator& generator, RegisterID*) { ASSERT(m_expr); - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); return generator.emitNode(m_expr); } @@ -1284,7 +1285,7 @@ RegisterID* VarStatementNode::emitBytecode(BytecodeGenerator& generator, Registe RegisterID* IfNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); RefPtr<Label> afterThen = generator.newLabel(); @@ -1302,7 +1303,7 @@ RegisterID* IfNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) RegisterID* IfElseNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); RefPtr<Label> beforeElse = generator.newLabel(); RefPtr<Label> afterElse = generator.newLabel(); @@ -1332,12 +1333,14 @@ RegisterID* DoWhileNode::emitBytecode(BytecodeGenerator& generator, RegisterID* RefPtr<Label> topOfLoop = generator.newLabel(); generator.emitLabel(topOfLoop.get()); - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); RefPtr<RegisterID> result = generator.emitNode(dst, m_statement); generator.emitLabel(scope->continueTarget()); - generator.emitDebugHook(WillExecuteStatement, m_expr->lineNo(), m_expr->lineNo()); +#ifndef QT_BUILD_SCRIPT_LIB + generator.emitDebugHook(WillExecuteStatement, m_expr->lineNo(), m_expr->lineNo(), column()); +#endif RegisterID* cond = generator.emitNode(m_expr); generator.emitJumpIfTrue(cond, topOfLoop.get()); @@ -1350,7 +1353,9 @@ RegisterID* DoWhileNode::emitBytecode(BytecodeGenerator& generator, RegisterID* RegisterID* WhileNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { RefPtr<LabelScope> scope = generator.newLabelScope(LabelScope::Loop); - +#ifdef QT_BUILD_SCRIPT_LIB + generator.emitDebugHook(WillExecuteStatement, m_expr->lineNo(), m_expr->lineNo(), column()); +#endif generator.emitJump(scope->continueTarget()); RefPtr<Label> topOfLoop = generator.newLabel(); @@ -1359,7 +1364,9 @@ RegisterID* WhileNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds generator.emitNode(dst, m_statement); generator.emitLabel(scope->continueTarget()); - generator.emitDebugHook(WillExecuteStatement, m_expr->lineNo(), m_expr->lineNo()); +#ifndef QT_BUILD_SCRIPT_LIB + generator.emitDebugHook(WillExecuteStatement, m_expr->lineNo(), m_expr->lineNo(), column()); +#endif RegisterID* cond = generator.emitNode(m_expr); generator.emitJumpIfTrue(cond, topOfLoop.get()); @@ -1378,7 +1385,7 @@ RegisterID* ForNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) RefPtr<LabelScope> scope = generator.newLabelScope(LabelScope::Loop); - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); if (m_expr1) generator.emitNode(generator.ignoredResult(), m_expr1); @@ -1392,7 +1399,9 @@ RegisterID* ForNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) RefPtr<RegisterID> result = generator.emitNode(dst, m_statement); generator.emitLabel(scope->continueTarget()); - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); +#ifndef QT_BUILD_SCRIPT_LIB + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); +#endif if (m_expr3) generator.emitNode(generator.ignoredResult(), m_expr3); @@ -1418,7 +1427,7 @@ RegisterID* ForInNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds RefPtr<Label> continueTarget = generator.newLabel(); - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); if (m_init) generator.emitNode(generator.ignoredResult(), m_init); @@ -1466,7 +1475,9 @@ RegisterID* ForInNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds generator.emitLabel(scope->continueTarget()); generator.emitNextPropertyName(propertyName, iter.get(), loopStart.get()); - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); +#ifndef QT_BUILD_SCRIPT_LIB + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); +#endif generator.emitLabel(scope->breakTarget()); return dst; } @@ -1476,7 +1487,7 @@ RegisterID* ForInNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds // ECMA 12.7 RegisterID* ContinueNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); LabelScope* scope = generator.continueTarget(m_ident); @@ -1494,7 +1505,7 @@ RegisterID* ContinueNode::emitBytecode(BytecodeGenerator& generator, RegisterID* // ECMA 12.8 RegisterID* BreakNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); LabelScope* scope = generator.breakTarget(m_ident); @@ -1511,7 +1522,7 @@ RegisterID* BreakNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds RegisterID* ReturnNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); if (generator.codeType() != FunctionCode) return emitThrowError(generator, SyntaxError, "Invalid return statement."); @@ -1528,7 +1539,7 @@ RegisterID* ReturnNode::emitBytecode(BytecodeGenerator& generator, RegisterID* d generator.emitJumpScopes(l0.get(), 0); generator.emitLabel(l0.get()); } - generator.emitDebugHook(WillLeaveCallFrame, firstLine(), lastLine()); + generator.emitDebugHook(WillLeaveCallFrame, firstLine(), lastLine(), column()); return generator.emitReturn(r0); } @@ -1536,7 +1547,7 @@ RegisterID* ReturnNode::emitBytecode(BytecodeGenerator& generator, RegisterID* d RegisterID* WithNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); RefPtr<RegisterID> scope = generator.newTemporary(); generator.emitNode(scope.get(), m_expr); // scope must be protected until popped @@ -1695,7 +1706,7 @@ RegisterID* CaseBlockNode::emitBytecodeForBlock(BytecodeGenerator& generator, Re RegisterID* SwitchNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); RefPtr<LabelScope> scope = generator.newLabelScope(LabelScope::Switch); @@ -1710,7 +1721,7 @@ RegisterID* SwitchNode::emitBytecode(BytecodeGenerator& generator, RegisterID* d RegisterID* LabelNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); if (generator.breakTarget(m_name)) return emitThrowError(generator, SyntaxError, "Duplicate label: %s.", m_name); @@ -1726,7 +1737,7 @@ RegisterID* LabelNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds RegisterID* ThrowNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); if (dst == generator.ignoredResult()) dst = 0; @@ -1740,7 +1751,9 @@ RegisterID* ThrowNode::emitBytecode(BytecodeGenerator& generator, RegisterID* ds RegisterID* TryNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst) { - generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine()); +#ifndef QT_BUILD_SCRIPT_LIB + generator.emitDebugHook(WillExecuteStatement, firstLine(), lastLine(), column()); +#endif RefPtr<Label> tryStartLabel = generator.newLabel(); RefPtr<Label> tryEndLabel = generator.newLabel(); @@ -1875,13 +1888,13 @@ PassRefPtr<ProgramNode> ProgramNode::create(JSGlobalData* globalData, SourceElem RegisterID* ProgramNode::emitBytecode(BytecodeGenerator& generator, RegisterID*) { - generator.emitDebugHook(WillExecuteProgram, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteProgram, firstLine(), lastLine(), column()); RefPtr<RegisterID> dstRegister = generator.newTemporary(); generator.emitLoad(dstRegister.get(), jsUndefined()); statementListEmitCode(children(), generator, dstRegister.get()); - generator.emitDebugHook(DidExecuteProgram, firstLine(), lastLine()); + generator.emitDebugHook(DidExecuteProgram, firstLine(), lastLine(), column()); generator.emitEnd(dstRegister.get()); return 0; } @@ -1930,13 +1943,13 @@ PassRefPtr<EvalNode> EvalNode::create(JSGlobalData* globalData, SourceElements* RegisterID* EvalNode::emitBytecode(BytecodeGenerator& generator, RegisterID*) { - generator.emitDebugHook(WillExecuteProgram, firstLine(), lastLine()); + generator.emitDebugHook(WillExecuteProgram, firstLine(), lastLine(), column()); RefPtr<RegisterID> dstRegister = generator.newTemporary(); generator.emitLoad(dstRegister.get(), jsUndefined()); statementListEmitCode(children(), generator, dstRegister.get()); - generator.emitDebugHook(DidExecuteProgram, firstLine(), lastLine()); + generator.emitDebugHook(DidExecuteProgram, firstLine(), lastLine(), column()); generator.emitEnd(dstRegister.get()); return 0; } @@ -1996,6 +2009,9 @@ inline FunctionBodyNode::FunctionBodyNode(JSGlobalData* globalData) , m_parameters(0) , m_parameterCount(0) { +#ifdef QT_BUILD_SCRIPT_LIB + sourceToken = globalData->scriptpool->objectRegister(); +#endif } inline FunctionBodyNode::FunctionBodyNode(JSGlobalData* globalData, SourceElements* children, VarStack* varStack, FunctionStack* funcStack, const SourceCode& sourceCode, CodeFeatures features, int numConstants) @@ -2003,10 +2019,16 @@ inline FunctionBodyNode::FunctionBodyNode(JSGlobalData* globalData, SourceElemen , m_parameters(0) , m_parameterCount(0) { +#ifdef QT_BUILD_SCRIPT_LIB + sourceToken = globalData->scriptpool->objectRegister(); +#endif } FunctionBodyNode::~FunctionBodyNode() { +#ifdef QT_BUILD_SCRIPT_LIB + if (sourceToken) delete sourceToken; +#endif for (size_t i = 0; i < m_parameterCount; ++i) m_parameters[i].~Identifier(); fastFree(m_parameters); @@ -2116,7 +2138,7 @@ CodeBlock& FunctionBodyNode::bytecodeForExceptionInfoReparse(ScopeChainNode* sco RegisterID* FunctionBodyNode::emitBytecode(BytecodeGenerator& generator, RegisterID*) { - generator.emitDebugHook(DidEnterCallFrame, firstLine(), lastLine()); + generator.emitDebugHook(DidEnterCallFrame, firstLine(), lastLine(), column()); statementListEmitCode(children(), generator, generator.ignoredResult()); if (children().size() && children().last()->isBlock()) { BlockNode* blockNode = static_cast<BlockNode*>(children().last()); @@ -2125,7 +2147,7 @@ RegisterID* FunctionBodyNode::emitBytecode(BytecodeGenerator& generator, Registe } RegisterID* r0 = generator.emitLoad(0, jsUndefined()); - generator.emitDebugHook(WillLeaveCallFrame, firstLine(), lastLine()); + generator.emitDebugHook(WillLeaveCallFrame, firstLine(), lastLine(), column()); generator.emitReturn(r0); return 0; } diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.h b/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.h index 84e8b958a..185cedeee 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.h +++ b/src/3rdparty/webkit/JavaScriptCore/parser/Nodes.h @@ -36,6 +36,10 @@ #include <wtf/MathExtras.h> #include <wtf/OwnPtr.h> +#ifdef QT_BUILD_SCRIPT_LIB +#include "SourcePoolQt.h" +#endif + namespace JSC { class ArgumentListNode; @@ -191,9 +195,10 @@ namespace JSC { public: StatementNode(JSGlobalData*); - void setLoc(int line0, int line1); + void setLoc(int line0, int line1, int column); int firstLine() const { return lineNo(); } int lastLine() const { return m_lastLine; } + int column() const { return m_column; } virtual bool isEmptyStatement() const { return false; } virtual bool isReturnNode() const { return false; } @@ -203,6 +208,7 @@ namespace JSC { private: int m_lastLine; + int m_column; }; class NullNode : public ExpressionNode { @@ -1605,6 +1611,9 @@ namespace JSC { Identifier* m_parameters; size_t m_parameterCount; OwnPtr<CodeBlock> m_code; +#ifdef QT_BUILD_SCRIPT_LIB + SourcePool::SourcePoolToken* sourceToken; +#endif }; class FuncExprNode : public ExpressionNode, public ParserArenaRefCounted { diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/Parser.h b/src/3rdparty/webkit/JavaScriptCore/parser/Parser.h index 373dc0008..5a182a631 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/Parser.h +++ b/src/3rdparty/webkit/JavaScriptCore/parser/Parser.h @@ -76,7 +76,8 @@ namespace JSC { *m_source, m_features, m_numConstants); - result->setLoc(m_source->firstLine(), m_lastLine); + int column = m_source->startOffset(); //is it good way to find column number? + result->setLoc(m_source->firstLine(), m_lastLine, column); } m_arena.reset(); @@ -103,7 +104,8 @@ namespace JSC { *m_source, oldParsedNode->features(), m_numConstants); - result->setLoc(m_source->firstLine(), m_lastLine); + int column = m_source->startOffset(); //is it good way to find column number? + result->setLoc(m_source->firstLine(), m_lastLine, column); } m_arena.reset(); diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/SourceCode.h b/src/3rdparty/webkit/JavaScriptCore/parser/SourceCode.h index 84360b84c..305b80444 100644 --- a/src/3rdparty/webkit/JavaScriptCore/parser/SourceCode.h +++ b/src/3rdparty/webkit/JavaScriptCore/parser/SourceCode.h @@ -47,7 +47,11 @@ namespace JSC { : m_provider(provider) , m_startChar(0) , m_endChar(m_provider->length()) +#ifdef QT_BUILD_SCRIPT_LIB + , m_firstLine(firstLine) +#else , m_firstLine(std::max(firstLine, 1)) +#endif { } @@ -55,7 +59,11 @@ namespace JSC { : m_provider(provider) , m_startChar(start) , m_endChar(end) +#ifdef QT_BUILD_SCRIPT_LIB + , m_firstLine(firstLine) +#else , m_firstLine(std::max(firstLine, 1)) +#endif { } diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/SourcePoolQt.cpp b/src/3rdparty/webkit/JavaScriptCore/parser/SourcePoolQt.cpp new file mode 100644 index 000000000..4fc859f54 --- /dev/null +++ b/src/3rdparty/webkit/JavaScriptCore/parser/SourcePoolQt.cpp @@ -0,0 +1,109 @@ +/* + Copyright (C) 2008, 2009 Nokia Corporation and/or its subsidiary(-ies) + + 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 "SourcePoolQt.h" + + +#ifdef QT_BUILD_SCRIPT_LIB + +#include "SourceCode.h" +#include "Debugger.h" + + +namespace JSC { + + void SourcePool::startEvaluating(const SourceCode& source) + { + int id = source.provider()->asID(); + + codes.insert(id,source.toString()); + + currentScript.push(id); + scriptRef.insert(id,ScriptActivCount()); + + if (debug) + debug->scriptLoad(id,source.toString(),source.provider()->url(),source.firstLine()); + } + + + void SourcePool::stopEvaluating(const SourceCode& source) + { + int id = source.provider()->asID(); + currentScript.pop(); + + if (scriptRef.contains(id)) { + ScriptActivCount info = scriptRef.take(id); + if (info.getCount()) { + //we can't remove info from scriptRef + info.isActive = false; + scriptRef.insert(id,info); + } else { + //we are unloading source code + if (debug) + debug->scriptUnload(id); + } + } + } + + SourcePool::SourcePoolToken* SourcePool::objectRegister() + { + if (currentScript.isEmpty()) { + return 0; + } + + int id = currentScript.top(); + + SourcePoolToken* token = new SourcePoolToken(id,this); + + ScriptActivCount info = scriptRef.take(id); + + info.incCount(); + scriptRef.insert(id,info); + return token; + } + + void SourcePool::objectUnregister(const SourcePool::SourcePoolToken *token) + { + int id = token->id; + + ScriptActivCount info = scriptRef.take(id); + info.decCount(); + if (info.isActive) { + scriptRef.insert(id,info); + } else { + if (info.getCount() == 0) { + //remove from scriptRef (script is not active and there is no objects connected) + if(debug) + debug->scriptUnload(id); + } else { + scriptRef.insert(id,info); + } + } + + } + + + void SourcePool::setDebugger(JSC::Debugger *debugger) { this->debug = debugger; } + Debugger* SourcePool::debugger() { return debug; } + +} //namespace JSC + + +#endif //QT_BUILD_SCRIPT_LIB diff --git a/src/3rdparty/webkit/JavaScriptCore/parser/SourcePoolQt.h b/src/3rdparty/webkit/JavaScriptCore/parser/SourcePoolQt.h new file mode 100644 index 000000000..baed3ba64 --- /dev/null +++ b/src/3rdparty/webkit/JavaScriptCore/parser/SourcePoolQt.h @@ -0,0 +1,91 @@ +/* + Copyright (C) 2008, 2009 Nokia Corporation and/or its subsidiary(-ies) + + 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. +*/ +#ifndef SOURCEPOOL_H +#define SOURCEPOOL_H + +#ifdef QT_BUILD_SCRIPT_LIB + +#include "qhash.h" +#include "qstack.h" +#include "qdebug.h" +#include <stdint.h> + +namespace JSC { + + class SourceCode; + class Debugger; + + class SourcePool + { + class ScriptActivCount + { + int count; + public: + void incCount() + { + count++; + }; + void decCount() + { + count--; + }; + int getCount() const + { + return count; + }; + bool isActive; + ScriptActivCount() : count(0), isActive(true) {} + }; + QStack<intptr_t> currentScript; + QHash<unsigned, ScriptActivCount> scriptRef; + QHash<int, QString> codes; //debug + Debugger *debug; + + friend class SourcePoolToken; + public: + class SourcePoolToken + { + unsigned id; + SourcePool *ptr; + SourcePoolToken(unsigned scriptId, SourcePool *scriptPool) : id(scriptId),ptr(scriptPool) {} + SourcePoolToken(const SourcePoolToken&) : id(0), ptr(0) {} //private - do not use - will crash + public: + ~SourcePoolToken() { ptr->objectUnregister(this); } + friend class SourcePool; + }; + + SourcePool() : debug(0) {} + + void startEvaluating(const SourceCode& source); + void stopEvaluating(const SourceCode& source); + SourcePoolToken* objectRegister(); + + void setDebugger(Debugger *debugger); + Debugger* debugger(); + + private: + void objectUnregister(const SourcePoolToken *token); + }; + +} //namespace JSC + + +#endif //QT_BUILD_SCRIPT_LIB + +#endif // SOURCEPOOL_H |