webkitgtk-2.10.2webkitgtk-2.10.2

1 files changed, 205 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/parser/Nodes.cpp b/Source/JavaScriptCore/parser/Nodes.cpp
new file mode 100644
index 000000000..cf4fe450a
--- /dev/null
+++ b/Source/JavaScriptCore/parser/Nodes.cpp
@@ -0,0 +1,205 @@
+/*
+*  Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
+*  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+*  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
+*  Copyright (C) 2007 Cameron Zwarich (cwzwarich@uwaterloo.ca)
+*  Copyright (C) 2007 Maks Orlovich
+*  Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+*
+*  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 "Nodes.h"
+#include "NodeConstructors.h"
+
+#include "CallFrame.h"
+#include "Debugger.h"
+#include "JIT.h"
+#include "JSFunction.h"
+#include "JSGlobalObject.h"
+#include "LabelScope.h"
+#include "Lexer.h"
+#include "JSCInlines.h"
+#include "Parser.h"
+#include "PropertyNameArray.h"
+#include "RegExpObject.h"
+#include "SamplingTool.h"
+#include <wtf/Assertions.h>
+#include <wtf/RefCountedLeakCounter.h>
+#include <wtf/Threading.h>
+
+using namespace WTF;
+
+namespace JSC {
+
+
+// ------------------------------ StatementNode --------------------------------
+
+void StatementNode::setLoc(unsigned firstLine, unsigned lastLine, int startOffset, int lineStartOffset)
+{
+    m_lastLine = lastLine;
+    m_position = JSTextPosition(firstLine, startOffset, lineStartOffset);
+    ASSERT(m_position.offset >= m_position.lineStartOffset);
+}
+
+// ------------------------------ SourceElements --------------------------------
+
+void SourceElements::append(StatementNode* statement)
+{
+    if (statement->isEmptyStatement())
+        return;
+
+    if (!m_head) {
+        m_head = statement;
+        m_tail = statement;
+        return;
+    }
+
+    m_tail->setNext(statement);
+    m_tail = statement;
+}
+
+StatementNode* SourceElements::singleStatement() const
+{
+    return m_head == m_tail ? m_head : nullptr;
+}
+
+// ------------------------------ ScopeNode -----------------------------
+
+ScopeNode::ScopeNode(ParserArena& parserArena, const JSTokenLocation& startLocation, const JSTokenLocation& endLocation, bool inStrictContext)
+    : StatementNode(endLocation)
+    , ParserArenaRoot(parserArena)
+    , m_startLineNumber(startLocation.line)
+    , m_startStartOffset(startLocation.startOffset)
+    , m_startLineStartOffset(startLocation.lineStartOffset)
+    , m_features(inStrictContext ? StrictModeFeature : NoFeatures)
+    , m_numConstants(0)
+    , m_statements(0)
+{
+}
+
+ScopeNode::ScopeNode(ParserArena& parserArena, const JSTokenLocation& startLocation, const JSTokenLocation& endLocation, const SourceCode& source, SourceElements* children, VariableEnvironment& varEnvironment, FunctionStack& funcStack, VariableEnvironment& lexicalVariables, CodeFeatures features, int numConstants)
+    : StatementNode(endLocation)
+    , ParserArenaRoot(parserArena)
+    , VariableEnvironmentNode(lexicalVariables)
+    , m_startLineNumber(startLocation.line)
+    , m_startStartOffset(startLocation.startOffset)
+    , m_startLineStartOffset(startLocation.lineStartOffset)
+    , m_features(features)
+    , m_source(source)
+    , m_numConstants(numConstants)
+    , m_statements(children)
+{
+    m_varDeclarations.swap(varEnvironment);
+    m_functionStack.swap(funcStack);
+}
+
+StatementNode* ScopeNode::singleStatement() const
+{
+    return m_statements ? m_statements->singleStatement() : 0;
+}
+
+// ------------------------------ ProgramNode -----------------------------
+
+ProgramNode::ProgramNode(ParserArena& parserArena, const JSTokenLocation& startLocation, const JSTokenLocation& endLocation, unsigned startColumn, unsigned endColumn, SourceElements* children, VariableEnvironment& varEnvironment, FunctionStack& funcStack, VariableEnvironment& lexicalVariables, FunctionParameters*, const SourceCode& source, CodeFeatures features, int numConstants)
+    : ScopeNode(parserArena, startLocation, endLocation, source, children, varEnvironment, funcStack, lexicalVariables, features, numConstants)
+    , m_startColumn(startColumn)
+    , m_endColumn(endColumn)
+{
+}
+
+void ProgramNode::setClosedVariables(Vector<RefPtr<UniquedStringImpl>>&& closedVariables)
+{
+    m_closedVariables = WTF::move(closedVariables);
+}
+
+// ------------------------------ ModuleProgramNode -----------------------------
+
+ModuleProgramNode::ModuleProgramNode(ParserArena& parserArena, const JSTokenLocation& startLocation, const JSTokenLocation& endLocation, unsigned startColumn, unsigned endColumn, SourceElements* children, VariableEnvironment& varEnvironment, FunctionStack& funcStack, VariableEnvironment& lexicalVariables, FunctionParameters*, const SourceCode& source, CodeFeatures features, int numConstants)
+    : ScopeNode(parserArena, startLocation, endLocation, source, children, varEnvironment, funcStack, lexicalVariables, features, numConstants)
+    , m_startColumn(startColumn)
+    , m_endColumn(endColumn)
+{
+}
+
+// ------------------------------ EvalNode -----------------------------
+
+EvalNode::EvalNode(ParserArena& parserArena, const JSTokenLocation& startLocation, const JSTokenLocation& endLocation, unsigned, unsigned endColumn, SourceElements* children, VariableEnvironment& varEnvironment, FunctionStack& funcStack, VariableEnvironment& lexicalVariables, FunctionParameters*, const SourceCode& source, CodeFeatures features, int numConstants)
+    : ScopeNode(parserArena, startLocation, endLocation, source, children, varEnvironment, funcStack, lexicalVariables, features, numConstants)
+    , m_endColumn(endColumn)
+{
+}
+
+// ------------------------------ FunctionMetadataNode -----------------------------
+
+FunctionMetadataNode::FunctionMetadataNode(
+    ParserArena&, const JSTokenLocation& startLocation, 
+    const JSTokenLocation& endLocation, unsigned startColumn, unsigned endColumn, 
+    int functionKeywordStart, int functionNameStart, int parametersStart, bool isInStrictContext, 
+    ConstructorKind constructorKind, unsigned parameterCount, SourceParseMode mode)
+        : Node(endLocation)
+        , m_startColumn(startColumn)
+        , m_endColumn(endColumn)
+        , m_functionKeywordStart(functionKeywordStart)
+        , m_functionNameStart(functionNameStart)
+        , m_parametersStart(parametersStart)
+        , m_startStartOffset(startLocation.startOffset)
+        , m_parameterCount(parameterCount)
+        , m_parseMode(mode)
+        , m_isInStrictContext(isInStrictContext)
+        , m_constructorKind(static_cast<unsigned>(constructorKind))
+{
+    ASSERT(m_constructorKind == static_cast<unsigned>(constructorKind));
+}
+
+void FunctionMetadataNode::finishParsing(const SourceCode& source, const Identifier& ident, enum FunctionMode functionMode)
+{
+    m_source = source;
+    m_ident = ident;
+    m_functionMode = functionMode;
+}
+
+void FunctionMetadataNode::setEndPosition(JSTextPosition position)
+{
+    m_lastLine = position.line;
+    m_endColumn = position.offset - position.lineStartOffset;
+}
+
+// ------------------------------ FunctionNode -----------------------------
+
+FunctionNode::FunctionNode(ParserArena& parserArena, const JSTokenLocation& startLocation, const JSTokenLocation& endLocation, unsigned startColumn, unsigned endColumn, SourceElements* children, VariableEnvironment& varEnvironment, FunctionStack& funcStack, VariableEnvironment& lexicalVariables, FunctionParameters* parameters, const SourceCode& sourceCode, CodeFeatures features, int numConstants)
+    : ScopeNode(parserArena, startLocation, endLocation, sourceCode, children, varEnvironment, funcStack, lexicalVariables, features, numConstants)
+    , m_parameters(parameters)
+    , m_startColumn(startColumn)
+    , m_endColumn(endColumn)
+{
+}
+
+void FunctionNode::finishParsing(const Identifier& ident, enum FunctionMode functionMode)
+{
+    ASSERT(!source().isNull());
+    m_ident = ident;
+    m_functionMode = functionMode;
+}
+
+VariableEnvironmentNode::VariableEnvironmentNode(VariableEnvironment& lexicalVariables)
+{
+    m_lexicalVariables.swap(lexicalVariables);
+}
+
+} // namespace JSC