Long live Qt 4.5!

1 files changed, 1334 insertions, 0 deletions

diff --git a/src/script/qscriptprettypretty.cpp b/src/script/qscriptprettypretty.cpp
new file mode 100644
index 0000000000..6ee1e55197
--- /dev/null
+++ b/src/script/qscriptprettypretty.cpp
@@ -0,0 +1,1334 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscriptprettypretty_p.h"
+
+#ifndef QT_NO_SCRIPT
+
+#include "qscriptengine_p.h"
+#include "qscriptvalueimpl_p.h"
+#include "qscriptcontext_p.h"
+#include "qscriptmember_p.h"
+#include "qscriptobject_p.h"
+#include "qscriptast_p.h"
+
+#include <QtCore/QString>
+#include <QtCore/QTextStream>
+#include <QtCore/QtDebug>
+
+QT_BEGIN_NAMESPACE
+
+namespace QScript {
+QString numberToString(qsreal value);
+}
+
+using namespace QScript;
+
+PrettyPretty::PrettyPretty(QTextStream &o):
+    out(o), m_indentLevel(0)
+{
+}
+
+PrettyPretty::~PrettyPretty()
+{
+}
+
+void PrettyPretty::acceptAsBlock(AST::Node *node)
+{
+    out << "{";
+    pushIndentLevel();
+    newlineAndIndent();
+    accept(node);
+    popIndentLevel();
+    newlineAndIndent();
+    out << "}";
+}
+
+int PrettyPretty::operatorPrecedenceLevel(int op)
+{
+    switch (op) {
+    case QSOperator::Div:
+    case QSOperator::Mod:
+    case QSOperator::Mul:
+        return 5;
+    case QSOperator::Add:
+    case QSOperator::Sub:
+        return 6;
+    case QSOperator::LShift:
+    case QSOperator::RShift:
+    case QSOperator::URShift:
+        return 7;
+    case QSOperator::Ge:
+    case QSOperator::Gt:
+    case QSOperator::In:
+    case QSOperator::InstanceOf:
+    case QSOperator::Le:
+    case QSOperator::Lt:
+        return 8;
+    case QSOperator::Equal:
+    case QSOperator::NotEqual:
+    case QSOperator::StrictEqual:
+    case QSOperator::StrictNotEqual:
+        return 9;
+    case QSOperator::BitAnd:
+        return 10;
+    case QSOperator::BitXor:
+        return 11;
+    case QSOperator::BitOr:
+        return 12;
+    case QSOperator::And:
+        return 13;
+    case QSOperator::Or:
+        return 14;
+    case QSOperator::InplaceAnd:
+    case QSOperator::InplaceSub:
+    case QSOperator::InplaceDiv:
+    case QSOperator::InplaceAdd:
+    case QSOperator::InplaceLeftShift:
+    case QSOperator::InplaceMod:
+    case QSOperator::InplaceMul:
+    case QSOperator::InplaceOr:
+    case QSOperator::InplaceRightShift:
+    case QSOperator::InplaceURightShift:
+    case QSOperator::InplaceXor:
+    case QSOperator::Assign:
+        return 16;
+    default:
+        Q_ASSERT_X(false, "PrettyPretty::operatorPrecedenceLevel()", "bad operator");
+    }
+    return 0;
+}
+
+int PrettyPretty::compareOperatorPrecedence(int op1, int op2)
+{
+    int prec1 = operatorPrecedenceLevel(op1);
+    int prec2 = operatorPrecedenceLevel(op2);
+    if (prec1 == prec2)
+        return 0;
+    if (prec1 > prec2)
+        return -1;
+    return 1;
+}
+
+QTextStream &PrettyPretty::operator () (AST::Node *node, int level)
+{
+    int was = indentLevel(level);
+    accept(node);
+    indentLevel(was);
+    return out;
+}
+
+QTextStream &PrettyPretty::newlineAndIndent()
+{
+    enum { IND = 4 };
+    out << endl << QString().fill(QLatin1Char(' '), m_indentLevel * IND);
+    return out;
+}
+
+void PrettyPretty::accept(AST::Node *node)
+{
+    AST::Node::acceptChild(node, this);
+}
+
+bool PrettyPretty::visit(AST::ThisExpression *node)
+{
+    Q_UNUSED(node);
+    out << "this";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::ThisExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::IdentifierExpression *node)
+{
+    out << QScriptEnginePrivate::toString(node->name);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::IdentifierExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::NullExpression *node)
+{
+    Q_UNUSED(node);
+    out << "null";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::NullExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::TrueLiteral *node)
+{
+    Q_UNUSED(node);
+    out << "true";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::TrueLiteral *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::FalseLiteral *node)
+{
+    Q_UNUSED(node);
+    out << "false";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::FalseLiteral *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::StringLiteral *node)
+{
+    QString lit = QScriptEnginePrivate::toString(node->value);
+    lit.replace(QLatin1String("\\"), QLatin1String("\\\\"));
+    out << "\"" << lit << "\"";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::StringLiteral *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::NumericLiteral *node)
+{
+    out << QScript::numberToString(node->value);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::NumericLiteral *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::RegExpLiteral *node)
+{
+    out << "/" << QScriptEnginePrivate::toString(node->pattern) << "/";
+    if (node->flags)
+        out << QScript::Ecma::RegExp::flagsToString(node->flags);
+
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::RegExpLiteral *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ArrayLiteral *node)
+{
+    out << "[";
+    accept(node->elements);
+    accept(node->elision);
+    out << "]";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ArrayLiteral *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ObjectLiteral *node)
+{
+    out << "{";
+    if (node->properties) {
+        pushIndentLevel();
+        AST::PropertyNameAndValueList *prop;
+        for (prop = node->properties; prop != 0; prop = prop->next) {
+            newlineAndIndent();
+            accept(prop);
+            if (prop->next)
+                out << ",";
+        }
+        popIndentLevel();
+        newlineAndIndent();
+    }
+    out << "}";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ObjectLiteral *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ElementList *node)
+{
+    accept(node->elision);
+    accept(node->expression);
+    for (node = node->next; node != 0; node = node->next) {
+        out << ", ";
+        accept(node->elision);
+        accept(node->expression);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ElementList *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::Elision *node)
+{
+    out << ", ";
+    for (AST::Elision *eit = node->next; eit != 0; eit = eit->next)
+        out << ", ";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::Elision *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::PropertyNameAndValueList *node)
+{
+    accept(node->name);
+    out << ": ";
+    accept(node->value);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::PropertyNameAndValueList *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::IdentifierPropertyName *node)
+{
+    out << QScriptEnginePrivate::toString(node->id);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::IdentifierPropertyName *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::StringLiteralPropertyName *node)
+{
+    QString lit = QScriptEnginePrivate::toString(node->id);
+    lit.replace(QLatin1String("\\"), QLatin1String("\\\\"));
+    out << lit;
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::StringLiteralPropertyName *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::NumericLiteralPropertyName *node)
+{
+    out << node->id;
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::NumericLiteralPropertyName *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ArrayMemberExpression *node)
+{
+    accept(node->base);
+    out << "[";
+    accept(node->expression);
+    out << "]";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ArrayMemberExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::FieldMemberExpression *node)
+{
+    accept(node->base);
+    out << "." << QScriptEnginePrivate::toString(node->name);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::FieldMemberExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::NewMemberExpression *node)
+{
+    out << "new ";
+    accept(node->base);
+    out << "(";
+    accept(node->arguments);
+    out << ")";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::NewMemberExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::NewExpression *node)
+{
+    Q_UNUSED(node);
+    out << "new ";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::NewExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::CallExpression *node)
+{
+    accept(node->base);
+    out << "(";
+    accept(node->arguments);
+    out << ")";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::CallExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ArgumentList *node)
+{
+    accept(node->expression);
+    for (node = node->next; node != 0; node = node->next) {
+        out << ", ";
+        accept(node->expression);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ArgumentList *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::PostIncrementExpression *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::PostIncrementExpression *node)
+{
+    Q_UNUSED(node);
+    out << "++";
+}
+
+bool PrettyPretty::visit(AST::PostDecrementExpression *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::PostDecrementExpression *node)
+{
+    Q_UNUSED(node);
+    out << "--";
+}
+
+bool PrettyPretty::visit(AST::DeleteExpression *node)
+{
+    Q_UNUSED(node);
+    out << "delete ";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::DeleteExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::VoidExpression *node)
+{
+    Q_UNUSED(node);
+    out << "void ";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::VoidExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::TypeOfExpression *node)
+{
+    Q_UNUSED(node);
+    out << "typeof ";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::TypeOfExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::PreIncrementExpression *node)
+{
+    Q_UNUSED(node);
+    out << "++";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::PreIncrementExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::PreDecrementExpression *node)
+{
+    Q_UNUSED(node);
+    out << "--";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::PreDecrementExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::UnaryPlusExpression *node)
+{
+    out << "+";
+    bool needParens = (node->expression->binaryExpressionCast() != 0);
+    if (needParens)
+        out << "(";
+    accept(node->expression);
+    if (needParens)
+        out << ")";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::UnaryPlusExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::UnaryMinusExpression *node)
+{
+    out << "-";
+    bool needParens = (node->expression->binaryExpressionCast() != 0);
+    if (needParens)
+        out << "(";
+    accept(node->expression);
+    if (needParens)
+        out << ")";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::UnaryMinusExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::TildeExpression *node)
+{
+    out << "~";
+    bool needParens = (node->expression->binaryExpressionCast() != 0);
+    if (needParens)
+        out << "(";
+    accept(node->expression);
+    if (needParens)
+        out << ")";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::TildeExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::NotExpression *node)
+{
+    out << "!";
+    bool needParens = (node->expression->binaryExpressionCast() != 0);
+    if (needParens)
+        out << "(";
+    accept(node->expression);
+    if (needParens)
+        out << ")";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::NotExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::BinaryExpression *node)
+{
+    bool needParens = node->left->binaryExpressionCast()
+                      && (compareOperatorPrecedence(node->left->binaryExpressionCast()->op, node->op) < 0);
+    if (needParens)
+        out << "(";
+    accept(node->left);
+    if (needParens)
+        out << ")";
+    QString s;
+    switch (node->op) {
+        case QSOperator::Add:
+            s = QLatin1String("+"); break;
+        case QSOperator::And:
+            s = QLatin1String("&&"); break;
+        case QSOperator::InplaceAnd:
+            s = QLatin1String("&="); break;
+        case QSOperator::Assign:
+            s = QLatin1String("="); break;
+        case QSOperator::BitAnd:
+            s = QLatin1String("&"); break;
+        case QSOperator::BitOr:
+            s = QLatin1String("|"); break;
+        case QSOperator::BitXor:
+            s = QLatin1String("^"); break;
+        case QSOperator::InplaceSub:
+            s = QLatin1String("-="); break;
+        case QSOperator::Div:
+            s = QLatin1String("/"); break;
+        case QSOperator::InplaceDiv:
+            s = QLatin1String("/="); break;
+        case QSOperator::Equal:
+            s = QLatin1String("=="); break;
+        case QSOperator::Ge:
+            s = QLatin1String(">="); break;
+        case QSOperator::Gt:
+            s = QLatin1String(">"); break;
+        case QSOperator::In:
+            s = QLatin1String("in"); break;
+        case QSOperator::InplaceAdd:
+            s = QLatin1String("+="); break;
+        case QSOperator::InstanceOf:
+            s = QLatin1String("instanceof"); break;
+        case QSOperator::Le:
+            s = QLatin1String("<="); break;
+        case QSOperator::LShift:
+            s = QLatin1String("<<"); break;
+        case QSOperator::InplaceLeftShift:
+            s = QLatin1String("<<="); break;
+        case QSOperator::Lt:
+            s = QLatin1String("<"); break;
+        case QSOperator::Mod:
+            s = QLatin1String("%"); break;
+        case QSOperator::InplaceMod:
+            s = QLatin1String("%="); break;
+        case QSOperator::Mul:
+            s = QLatin1String("*"); break;
+        case QSOperator::InplaceMul:
+            s = QLatin1String("*="); break;
+        case QSOperator::NotEqual:
+            s = QLatin1String("!="); break;
+        case QSOperator::Or:
+            s = QLatin1String("||"); break;
+        case QSOperator::InplaceOr:
+            s = QLatin1String("|="); break;
+        case QSOperator::RShift:
+            s = QLatin1String(">>"); break;
+        case QSOperator::InplaceRightShift:
+            s = QLatin1String(">>="); break;
+        case QSOperator::StrictEqual:
+            s = QLatin1String("==="); break;
+        case QSOperator::StrictNotEqual:
+            s = QLatin1String("!=="); break;
+        case QSOperator::Sub:
+            s = QLatin1String("-"); break;
+        case QSOperator::URShift:
+            s = QLatin1String(">>>"); break;
+        case QSOperator::InplaceURightShift:
+            s = QLatin1String(">>>="); break;
+        case QSOperator::InplaceXor:
+            s = QLatin1String("^="); break;
+        default:
+            Q_ASSERT (0);
+    }
+    out << " " << s << " ";
+    needParens = node->right->binaryExpressionCast()
+                 && (compareOperatorPrecedence(node->right->binaryExpressionCast()->op, node->op) <= 0);
+    if (needParens)
+        out << "(";
+    accept(node->right);
+    if (needParens)
+        out << ")";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::BinaryExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ConditionalExpression *node)
+{
+    accept(node->expression);
+    out << " ? ";
+    accept(node->ok);
+    out << " : ";
+    accept(node->ko);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ConditionalExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::Expression *node)
+{
+    accept(node->left);
+    out << ", ";
+    accept(node->right);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::Expression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::Block *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::Block *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::StatementList *node)
+{
+    accept(node->statement);
+    for (node = node->next; node != 0; node = node->next) {
+        newlineAndIndent();
+        accept(node->statement);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::StatementList *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::VariableDeclarationList *node)
+{
+    AST::VariableDeclarationList *it = node;
+
+    do {
+        it->declaration->accept(this);
+        it = it->next;
+        if (it)
+            out << ", ";
+    } while (it);
+
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::VariableDeclarationList *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::VariableStatement *node)
+{
+    out << "var ";
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::VariableStatement *node)
+{
+    Q_UNUSED(node);
+    out << ";";
+}
+
+bool PrettyPretty::visit(AST::VariableDeclaration *node)
+{
+    out << QScriptEnginePrivate::toString(node->name);
+    if (node->expression) {
+        out << " = ";
+        accept(node->expression);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::VariableDeclaration *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::EmptyStatement *node)
+{
+    Q_UNUSED(node);
+    out << ";";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::EmptyStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ExpressionStatement *node)
+{
+    accept(node->expression);
+    out << ";";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ExpressionStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::IfStatement *node)
+{
+    out << "if (";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->ok);
+    if (node->ko) {
+        out << " else ";
+        acceptAsBlock(node->ko);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::IfStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::DoWhileStatement *node)
+{
+    out << "do ";
+    acceptAsBlock(node->statement);
+    out << " while (";
+    accept(node->expression);
+    out << ");";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::DoWhileStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::WhileStatement *node)
+{
+    out << "while (";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->statement);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::WhileStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ForStatement *node)
+{
+    out << "for (";
+    accept(node->initialiser);
+    out << "; ";
+    accept(node->condition);
+    out << "; ";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->statement);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ForStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::LocalForStatement *node)
+{
+    out << "for (var ";
+    accept(node->declarations);
+    out << "; ";
+    accept(node->condition);
+    out << "; ";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->statement);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::LocalForStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ForEachStatement *node)
+{
+    out << "for (";
+    accept(node->initialiser);
+    out << " in ";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->statement);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ForEachStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::LocalForEachStatement *node)
+{
+    out << "for (var ";
+    accept(node->declaration);
+    out << " in ";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->statement);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::LocalForEachStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ContinueStatement *node)
+{
+    out << "continue";
+    if (node->label) {
+        out << " " << QScriptEnginePrivate::toString(node->label);
+    }
+    out << ";";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ContinueStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::BreakStatement *node)
+{
+    out << "break";
+    if (node->label) {
+        out << " " << QScriptEnginePrivate::toString(node->label);
+    }
+    out << ";";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::BreakStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ReturnStatement *node)
+{
+    out << "return";
+    if (node->expression) {
+        out << " ";
+        accept(node->expression);
+    }
+    out << ";";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ReturnStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::WithStatement *node)
+{
+    out << "with (";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->statement);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::WithStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::SwitchStatement *node)
+{
+    out << "switch (";
+    accept(node->expression);
+    out << ") ";
+    acceptAsBlock(node->block);
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::SwitchStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::CaseBlock *node)
+{
+    accept(node->clauses);
+    if (node->defaultClause) {
+        newlineAndIndent();
+        accept(node->defaultClause);
+    }
+    if (node->moreClauses) {
+        newlineAndIndent();
+        accept(node->moreClauses);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::CaseBlock *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::CaseClauses *node)
+{
+    accept(node->clause);
+    for (node = node->next; node != 0; node = node->next) {
+        newlineAndIndent();
+        accept(node->clause);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::CaseClauses *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::CaseClause *node)
+{
+    out << "case ";
+    accept(node->expression);
+    out << ":";
+    if (node->statements) {
+        newlineAndIndent();
+        accept(node->statements);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::CaseClause *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::DefaultClause *node)
+{
+    Q_UNUSED(node);
+    out << "default:";
+    newlineAndIndent();
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::DefaultClause *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::LabelledStatement *node)
+{
+    out << QScriptEnginePrivate::toString(node->label) << ": ";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::LabelledStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::ThrowStatement *node)
+{
+    Q_UNUSED(node);
+    out << "throw ";
+    accept(node->expression);
+    out << ";";
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::ThrowStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::TryStatement *node)
+{
+    out << "try ";
+    acceptAsBlock(node->statement);
+    if (node->catchExpression) {
+        out << " catch (" << QScriptEnginePrivate::toString(node->catchExpression->name) << ") ";
+        acceptAsBlock(node->catchExpression->statement);
+    }
+    if (node->finallyExpression) {
+        out << " finally ";
+        acceptAsBlock(node->finallyExpression->statement);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::TryStatement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::Catch *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::Catch *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::Finally *node)
+{
+    Q_UNUSED(node);
+    out << "finally ";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::Finally *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::FunctionDeclaration *node)
+{
+    out << "function";
+
+    if (node->name)
+        out << " " << QScriptEnginePrivate::toString(node->name);
+
+    // the arguments
+    out << "(";
+    for (AST::FormalParameterList *it = node->formals; it; it = it->next) {
+        if (it->name)
+            out << QScriptEnginePrivate::toString(it->name);
+
+        if (it->next)
+            out << ", ";
+    }
+    out << ")";
+
+    // the function body
+    out << " {";
+
+    if (node->body) {
+        pushIndentLevel();
+        newlineAndIndent();
+        accept(node->body);
+        popIndentLevel();
+        newlineAndIndent();
+    }
+
+    out << "}";
+
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::FunctionDeclaration *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::FunctionExpression *node)
+{
+    out << "function";
+
+    if (node->name)
+        out << " " << QScriptEnginePrivate::toString(node->name);
+
+    // the arguments
+    out << "(";
+    for (AST::FormalParameterList *it = node->formals; it; it = it->next) {
+        if (it->name)
+            out << QScriptEnginePrivate::toString(it->name);
+
+        if (it->next)
+            out << ", ";
+    }
+    out << ")";
+
+    // the function body
+    out << " {";
+
+    if (node->body) {
+        pushIndentLevel();
+        newlineAndIndent();
+        accept(node->body);
+        popIndentLevel();
+        newlineAndIndent();
+    }
+
+    out << "}";
+
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::FunctionExpression *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::FormalParameterList *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::FormalParameterList *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::FunctionBody *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::FunctionBody *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::Program *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::Program *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::SourceElements *node)
+{
+    Q_UNUSED(node);
+    accept(node->element);
+    for (node = node->next; node != 0; node = node->next) {
+        newlineAndIndent();
+        accept(node->element);
+    }
+    return false;
+}
+
+void PrettyPretty::endVisit(AST::SourceElements *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::FunctionSourceElement *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::FunctionSourceElement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::StatementSourceElement *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::StatementSourceElement *node)
+{
+    Q_UNUSED(node);
+}
+
+bool PrettyPretty::visit(AST::DebuggerStatement *node)
+{
+    Q_UNUSED(node);
+    out << "debugger";
+    return true;
+}
+
+void PrettyPretty::endVisit(AST::DebuggerStatement *node)
+{
+    Q_UNUSED(node);
+    out << ";";
+}
+
+bool PrettyPretty::preVisit(AST::Node *node)
+{
+    Q_UNUSED(node);
+    return true;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SCRIPT