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Diffstat (limited to 'src/qml/qml/v4/qv4irbuilder_p.h')
| -rw-r--r-- | src/qml/qml/v4/qv4irbuilder_p.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/qml/qml/v4/qv4irbuilder_p.h b/src/qml/qml/v4/qv4irbuilder_p.h new file mode 100644 index 0000000000..2b338c0778 --- /dev/null +++ b/src/qml/qml/v4/qv4irbuilder_p.h @@ -0,0 +1,240 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QV4IRBUILDER_P_H +#define QV4IRBUILDER_P_H + +#include <QtCore/qglobal.h> + +#include "qv4ir_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QV4IRBuilder : public QQmlJS::AST::Visitor +{ +public: + QV4IRBuilder(const QV4Compiler::Expression *, QQmlEnginePrivate *); + + bool operator()(QQmlJS::IR::Function *, QQmlJS::AST::Node *); + +protected: + struct ExprResult { + enum Format { + ex, // expression + cx // condition + }; + + QQmlJS::IR::Expr *code; + QQmlJS::IR::BasicBlock *iftrue; + QQmlJS::IR::BasicBlock *iffalse; + Format hint; // requested format + Format format; // instruction format + + ExprResult(QQmlJS::IR::Expr *expr = 0) + : code(expr), iftrue(0), iffalse(0), hint(ex), format(ex) {} + + ExprResult(QQmlJS::IR::BasicBlock *iftrue, QQmlJS::IR::BasicBlock *iffalse) + : code(0), iftrue(iftrue), iffalse(iffalse), hint(cx), format(ex) {} + + inline QQmlJS::IR::Type type() const { return code ? code->type : QQmlJS::IR::InvalidType; } + + inline QQmlJS::IR::Expr *get() const { return code; } + inline operator QQmlJS::IR::Expr *() const { return get(); } + inline QQmlJS::IR::Expr *operator->() const { return get(); } + inline bool isValid() const { return code ? code->type != QQmlJS::IR::InvalidType : false; } + inline bool is(QQmlJS::IR::Type t) const { return type() == t; } + inline bool isNot(QQmlJS::IR::Type t) const { return type() != t; } + + bool isPrimitive() const { + switch (type()) { + case QQmlJS::IR::UndefinedType: // ### TODO + case QQmlJS::IR::NullType: // ### TODO + case QQmlJS::IR::UrlType: // ### TODO + return false; + + case QQmlJS::IR::StringType: + case QQmlJS::IR::BoolType: + case QQmlJS::IR::IntType: + case QQmlJS::IR::RealType: + case QQmlJS::IR::RealNaNType: + return true; + + default: + return false; + } // switch + } + }; + + inline void accept(QQmlJS::AST::Node *ast) { QQmlJS::AST::Node::accept(ast, this); } + + ExprResult expression(QQmlJS::AST::ExpressionNode *ast); + ExprResult statement(QQmlJS::AST::Statement *ast); + void sourceElement(QQmlJS::AST::SourceElement *ast); + void condition(QQmlJS::AST::ExpressionNode *ast, QQmlJS::IR::BasicBlock *iftrue, QQmlJS::IR::BasicBlock *iffalse); + void binop(QQmlJS::AST::BinaryExpression *ast, ExprResult left, ExprResult right); + + void implicitCvt(ExprResult &expr, QQmlJS::IR::Type type); + + virtual bool preVisit(QQmlJS::AST::Node *ast); + + // QML + virtual bool visit(QQmlJS::AST::UiProgram *ast); + virtual bool visit(QQmlJS::AST::UiImportList *ast); + virtual bool visit(QQmlJS::AST::UiImport *ast); + virtual bool visit(QQmlJS::AST::UiPublicMember *ast); + virtual bool visit(QQmlJS::AST::UiSourceElement *ast); + virtual bool visit(QQmlJS::AST::UiObjectDefinition *ast); + virtual bool visit(QQmlJS::AST::UiObjectInitializer *ast); + virtual bool visit(QQmlJS::AST::UiObjectBinding *ast); + virtual bool visit(QQmlJS::AST::UiScriptBinding *ast); + virtual bool visit(QQmlJS::AST::UiArrayBinding *ast); + virtual bool visit(QQmlJS::AST::UiObjectMemberList *ast); + virtual bool visit(QQmlJS::AST::UiArrayMemberList *ast); + virtual bool visit(QQmlJS::AST::UiQualifiedId *ast); + + // JS + virtual bool visit(QQmlJS::AST::Program *ast); + virtual bool visit(QQmlJS::AST::SourceElements *ast); + virtual bool visit(QQmlJS::AST::FunctionSourceElement *ast); + virtual bool visit(QQmlJS::AST::StatementSourceElement *ast); + + // object literals + virtual bool visit(QQmlJS::AST::PropertyNameAndValueList *ast); + virtual bool visit(QQmlJS::AST::IdentifierPropertyName *ast); + virtual bool visit(QQmlJS::AST::StringLiteralPropertyName *ast); + virtual bool visit(QQmlJS::AST::NumericLiteralPropertyName *ast); + + // array literals + virtual bool visit(QQmlJS::AST::ElementList *ast); + virtual bool visit(QQmlJS::AST::Elision *ast); + + // function calls + virtual bool visit(QQmlJS::AST::ArgumentList *ast); + + // expressions + virtual bool visit(QQmlJS::AST::ObjectLiteral *ast); + virtual bool visit(QQmlJS::AST::ArrayLiteral *ast); + virtual bool visit(QQmlJS::AST::ThisExpression *ast); + virtual bool visit(QQmlJS::AST::IdentifierExpression *ast); + virtual bool visit(QQmlJS::AST::NullExpression *ast); + virtual bool visit(QQmlJS::AST::TrueLiteral *ast); + virtual bool visit(QQmlJS::AST::FalseLiteral *ast); + virtual bool visit(QQmlJS::AST::StringLiteral *ast); + virtual bool visit(QQmlJS::AST::NumericLiteral *ast); + virtual bool visit(QQmlJS::AST::RegExpLiteral *ast); + virtual bool visit(QQmlJS::AST::NestedExpression *ast); + virtual bool visit(QQmlJS::AST::ArrayMemberExpression *ast); + virtual bool visit(QQmlJS::AST::FieldMemberExpression *ast); + virtual bool visit(QQmlJS::AST::NewMemberExpression *ast); + virtual bool visit(QQmlJS::AST::NewExpression *ast); + virtual bool visit(QQmlJS::AST::CallExpression *ast); + virtual bool visit(QQmlJS::AST::PostIncrementExpression *ast); + virtual bool visit(QQmlJS::AST::PostDecrementExpression *ast); + virtual bool visit(QQmlJS::AST::DeleteExpression *ast); + virtual bool visit(QQmlJS::AST::VoidExpression *ast); + virtual bool visit(QQmlJS::AST::TypeOfExpression *ast); + virtual bool visit(QQmlJS::AST::PreIncrementExpression *ast); + virtual bool visit(QQmlJS::AST::PreDecrementExpression *ast); + virtual bool visit(QQmlJS::AST::UnaryPlusExpression *ast); + virtual bool visit(QQmlJS::AST::UnaryMinusExpression *ast); + virtual bool visit(QQmlJS::AST::TildeExpression *ast); + virtual bool visit(QQmlJS::AST::NotExpression *ast); + virtual bool visit(QQmlJS::AST::BinaryExpression *ast); + virtual bool visit(QQmlJS::AST::ConditionalExpression *ast); + virtual bool visit(QQmlJS::AST::Expression *ast); + + // statements + virtual bool visit(QQmlJS::AST::Block *ast); + virtual bool visit(QQmlJS::AST::StatementList *ast); + virtual bool visit(QQmlJS::AST::VariableStatement *ast); + virtual bool visit(QQmlJS::AST::VariableDeclarationList *ast); + virtual bool visit(QQmlJS::AST::VariableDeclaration *ast); + virtual bool visit(QQmlJS::AST::EmptyStatement *ast); + virtual bool visit(QQmlJS::AST::ExpressionStatement *ast); + virtual bool visit(QQmlJS::AST::IfStatement *ast); + virtual bool visit(QQmlJS::AST::DoWhileStatement *ast); + virtual bool visit(QQmlJS::AST::WhileStatement *ast); + virtual bool visit(QQmlJS::AST::ForStatement *ast); + virtual bool visit(QQmlJS::AST::LocalForStatement *ast); + virtual bool visit(QQmlJS::AST::ForEachStatement *ast); + virtual bool visit(QQmlJS::AST::LocalForEachStatement *ast); + virtual bool visit(QQmlJS::AST::ContinueStatement *ast); + virtual bool visit(QQmlJS::AST::BreakStatement *ast); + virtual bool visit(QQmlJS::AST::ReturnStatement *ast); + virtual bool visit(QQmlJS::AST::WithStatement *ast); + virtual bool visit(QQmlJS::AST::SwitchStatement *ast); + virtual bool visit(QQmlJS::AST::CaseBlock *ast); + virtual bool visit(QQmlJS::AST::CaseClauses *ast); + virtual bool visit(QQmlJS::AST::CaseClause *ast); + virtual bool visit(QQmlJS::AST::DefaultClause *ast); + virtual bool visit(QQmlJS::AST::LabelledStatement *ast); + virtual bool visit(QQmlJS::AST::ThrowStatement *ast); + virtual bool visit(QQmlJS::AST::TryStatement *ast); + virtual bool visit(QQmlJS::AST::Catch *ast); + virtual bool visit(QQmlJS::AST::Finally *ast); + virtual bool visit(QQmlJS::AST::FunctionDeclaration *ast); + virtual bool visit(QQmlJS::AST::FunctionExpression *ast); + virtual bool visit(QQmlJS::AST::FormalParameterList *ast); + virtual bool visit(QQmlJS::AST::FunctionBody *ast); + virtual bool visit(QQmlJS::AST::DebuggerStatement *ast); + +private: + bool buildName(QList<QStringRef> &name, QQmlJS::AST::Node *node, + QList<QQmlJS::AST::ExpressionNode *> *nodes); + void discard(); + + const QV4Compiler::Expression *m_expression; + QQmlEnginePrivate *m_engine; + + QQmlJS::IR::Function *_function; + QQmlJS::IR::BasicBlock *_block; + bool _discard; + + ExprResult _expr; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QV4IRBUILDER_P_H |