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Diffstat (limited to 'src/script/qscriptprettypretty_p.h')
| -rw-r--r-- | src/script/qscriptprettypretty_p.h | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/src/script/qscriptprettypretty_p.h b/src/script/qscriptprettypretty_p.h new file mode 100644 index 0000000000..b757cc0aa1 --- /dev/null +++ b/src/script/qscriptprettypretty_p.h @@ -0,0 +1,329 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtScript module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSCRIPTPRETTYPRETTY_P_H +#define QSCRIPTPRETTYPRETTY_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/qglobal.h> + +#include "qscriptastvisitor_p.h" + +QT_BEGIN_NAMESPACE + +class QTextStream; + +namespace QScript { + +class PrettyPretty: protected AST::Visitor +{ +public: + PrettyPretty(QTextStream &out); + virtual ~PrettyPretty(); + + QTextStream &operator () (AST::Node *node, int level = 0); + +protected: + void accept(AST::Node *node); + + virtual bool preVisit(AST::Node *node); + + virtual bool visit(AST::ThisExpression *node); + virtual void endVisit(AST::ThisExpression *node); + + virtual bool visit(AST::IdentifierExpression *node); + virtual void endVisit(AST::IdentifierExpression *node); + + virtual bool visit(AST::NullExpression *node); + virtual void endVisit(AST::NullExpression *node); + + virtual bool visit(AST::TrueLiteral *node); + virtual void endVisit(AST::TrueLiteral *node); + + virtual bool visit(AST::FalseLiteral *node); + virtual void endVisit(AST::FalseLiteral *node); + + virtual bool visit(AST::StringLiteral *node); + virtual void endVisit(AST::StringLiteral *node); + + virtual bool visit(AST::NumericLiteral *node); + virtual void endVisit(AST::NumericLiteral *node); + + virtual bool visit(AST::RegExpLiteral *node); + virtual void endVisit(AST::RegExpLiteral *node); + + virtual bool visit(AST::ArrayLiteral *node); + virtual void endVisit(AST::ArrayLiteral *node); + + virtual bool visit(AST::ObjectLiteral *node); + virtual void endVisit(AST::ObjectLiteral *node); + + virtual bool visit(AST::ElementList *node); + virtual void endVisit(AST::ElementList *node); + + virtual bool visit(AST::Elision *node); + virtual void endVisit(AST::Elision *node); + + virtual bool visit(AST::PropertyNameAndValueList *node); + virtual void endVisit(AST::PropertyNameAndValueList *node); + + virtual bool visit(AST::IdentifierPropertyName *node); + virtual void endVisit(AST::IdentifierPropertyName *node); + + virtual bool visit(AST::StringLiteralPropertyName *node); + virtual void endVisit(AST::StringLiteralPropertyName *node); + + virtual bool visit(AST::NumericLiteralPropertyName *node); + virtual void endVisit(AST::NumericLiteralPropertyName *node); + + virtual bool visit(AST::ArrayMemberExpression *node); + virtual void endVisit(AST::ArrayMemberExpression *node); + + virtual bool visit(AST::FieldMemberExpression *node); + virtual void endVisit(AST::FieldMemberExpression *node); + + virtual bool visit(AST::NewMemberExpression *node); + virtual void endVisit(AST::NewMemberExpression *node); + + virtual bool visit(AST::NewExpression *node); + virtual void endVisit(AST::NewExpression *node); + + virtual bool visit(AST::CallExpression *node); + virtual void endVisit(AST::CallExpression *node); + + virtual bool visit(AST::ArgumentList *node); + virtual void endVisit(AST::ArgumentList *node); + + virtual bool visit(AST::PostIncrementExpression *node); + virtual void endVisit(AST::PostIncrementExpression *node); + + virtual bool visit(AST::PostDecrementExpression *node); + virtual void endVisit(AST::PostDecrementExpression *node); + + virtual bool visit(AST::DeleteExpression *node); + virtual void endVisit(AST::DeleteExpression *node); + + virtual bool visit(AST::VoidExpression *node); + virtual void endVisit(AST::VoidExpression *node); + + virtual bool visit(AST::TypeOfExpression *node); + virtual void endVisit(AST::TypeOfExpression *node); + + virtual bool visit(AST::PreIncrementExpression *node); + virtual void endVisit(AST::PreIncrementExpression *node); + + virtual bool visit(AST::PreDecrementExpression *node); + virtual void endVisit(AST::PreDecrementExpression *node); + + virtual bool visit(AST::UnaryPlusExpression *node); + virtual void endVisit(AST::UnaryPlusExpression *node); + + virtual bool visit(AST::UnaryMinusExpression *node); + virtual void endVisit(AST::UnaryMinusExpression *node); + + virtual bool visit(AST::TildeExpression *node); + virtual void endVisit(AST::TildeExpression *node); + + virtual bool visit(AST::NotExpression *node); + virtual void endVisit(AST::NotExpression *node); + + virtual bool visit(AST::BinaryExpression *node); + virtual void endVisit(AST::BinaryExpression *node); + + virtual bool visit(AST::ConditionalExpression *node); + virtual void endVisit(AST::ConditionalExpression *node); + + virtual bool visit(AST::Expression *node); + virtual void endVisit(AST::Expression *node); + + virtual bool visit(AST::Block *node); + virtual void endVisit(AST::Block *node); + + virtual bool visit(AST::StatementList *node); + virtual void endVisit(AST::StatementList *node); + + virtual bool visit(AST::VariableStatement *node); + virtual void endVisit(AST::VariableStatement *node); + + virtual bool visit(AST::VariableDeclarationList *node); + virtual void endVisit(AST::VariableDeclarationList *node); + + virtual bool visit(AST::VariableDeclaration *node); + virtual void endVisit(AST::VariableDeclaration *node); + + virtual bool visit(AST::EmptyStatement *node); + virtual void endVisit(AST::EmptyStatement *node); + + virtual bool visit(AST::ExpressionStatement *node); + virtual void endVisit(AST::ExpressionStatement *node); + + virtual bool visit(AST::IfStatement *node); + virtual void endVisit(AST::IfStatement *node); + + virtual bool visit(AST::DoWhileStatement *node); + virtual void endVisit(AST::DoWhileStatement *node); + + virtual bool visit(AST::WhileStatement *node); + virtual void endVisit(AST::WhileStatement *node); + + virtual bool visit(AST::ForStatement *node); + virtual void endVisit(AST::ForStatement *node); + + virtual bool visit(AST::LocalForStatement *node); + virtual void endVisit(AST::LocalForStatement *node); + + virtual bool visit(AST::ForEachStatement *node); + virtual void endVisit(AST::ForEachStatement *node); + + virtual bool visit(AST::LocalForEachStatement *node); + virtual void endVisit(AST::LocalForEachStatement *node); + + virtual bool visit(AST::ContinueStatement *node); + virtual void endVisit(AST::ContinueStatement *node); + + virtual bool visit(AST::BreakStatement *node); + virtual void endVisit(AST::BreakStatement *node); + + virtual bool visit(AST::ReturnStatement *node); + virtual void endVisit(AST::ReturnStatement *node); + + virtual bool visit(AST::WithStatement *node); + virtual void endVisit(AST::WithStatement *node); + + virtual bool visit(AST::SwitchStatement *node); + virtual void endVisit(AST::SwitchStatement *node); + + virtual bool visit(AST::CaseBlock *node); + virtual void endVisit(AST::CaseBlock *node); + + virtual bool visit(AST::CaseClauses *node); + virtual void endVisit(AST::CaseClauses *node); + + virtual bool visit(AST::CaseClause *node); + virtual void endVisit(AST::CaseClause *node); + + virtual bool visit(AST::DefaultClause *node); + virtual void endVisit(AST::DefaultClause *node); + + virtual bool visit(AST::LabelledStatement *node); + virtual void endVisit(AST::LabelledStatement *node); + + virtual bool visit(AST::ThrowStatement *node); + virtual void endVisit(AST::ThrowStatement *node); + + virtual bool visit(AST::TryStatement *node); + virtual void endVisit(AST::TryStatement *node); + + virtual bool visit(AST::Catch *node); + virtual void endVisit(AST::Catch *node); + + virtual bool visit(AST::Finally *node); + virtual void endVisit(AST::Finally *node); + + virtual bool visit(AST::FunctionDeclaration *node); + virtual void endVisit(AST::FunctionDeclaration *node); + + virtual bool visit(AST::FunctionExpression *node); + virtual void endVisit(AST::FunctionExpression *node); + + virtual bool visit(AST::FormalParameterList *node); + virtual void endVisit(AST::FormalParameterList *node); + + virtual bool visit(AST::FunctionBody *node); + virtual void endVisit(AST::FunctionBody *node); + + virtual bool visit(AST::Program *node); + virtual void endVisit(AST::Program *node); + + virtual bool visit(AST::SourceElements *node); + virtual void endVisit(AST::SourceElements *node); + + virtual bool visit(AST::FunctionSourceElement *node); + virtual void endVisit(AST::FunctionSourceElement *node); + + virtual bool visit(AST::StatementSourceElement *node); + virtual void endVisit(AST::StatementSourceElement *node); + + virtual bool visit(AST::DebuggerStatement *node); + virtual void endVisit(AST::DebuggerStatement *node); + + int indentLevel(int level) + { + int was = m_indentLevel; + m_indentLevel = level; + return was; + } + + void pushIndentLevel() + { ++m_indentLevel; } + + void popIndentLevel() + { --m_indentLevel; } + + QTextStream &newlineAndIndent(); + + void acceptAsBlock(AST::Node *node); + + static int operatorPrecedenceLevel(int op); + static int compareOperatorPrecedence(int op1, int op2); + +private: + QTextStream &out; + int m_indentLevel; + + Q_DISABLE_COPY(PrettyPretty) +}; + +} // namespace QScript + +QT_END_NAMESPACE + +#endif |