1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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6 | **
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7 | ** This file is part of the QtDeclarative module of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL$
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10 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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15 | **
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16 | ** GNU Lesser General Public License Usage
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17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 | ** General Public License version 2.1 as published by the Free Software
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19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 | ** packaging of this file. Please review the following information to
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21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 | **
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24 | ** In addition, as a special exception, Nokia gives you certain additional
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25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you have questions regarding the use of this file, please contact
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37 | ** Nokia at qt-info@nokia.com.
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #include "private/qdeclarativescriptparser_p.h"
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43 |
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44 | #include "private/qdeclarativeparser_p.h"
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45 | #include "parser/qdeclarativejsengine_p.h"
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46 | #include "parser/qdeclarativejsparser_p.h"
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47 | #include "parser/qdeclarativejslexer_p.h"
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48 | #include "parser/qdeclarativejsnodepool_p.h"
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49 | #include "parser/qdeclarativejsastvisitor_p.h"
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50 | #include "parser/qdeclarativejsast_p.h"
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51 | #include "private/qdeclarativerewrite_p.h"
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52 |
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53 | #include <QStack>
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54 | #include <QCoreApplication>
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55 | #include <QtDebug>
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56 |
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57 | QT_BEGIN_NAMESPACE
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58 |
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59 | using namespace QDeclarativeJS;
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60 | using namespace QDeclarativeParser;
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61 |
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62 | namespace {
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63 |
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64 | class ProcessAST: protected AST::Visitor
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65 | {
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66 | struct State {
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67 | State() : object(0), property(0) {}
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68 | State(Object *o) : object(o), property(0) {}
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69 | State(Object *o, Property *p) : object(o), property(p) {}
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70 |
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71 | Object *object;
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72 | Property *property;
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73 | };
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74 |
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75 | struct StateStack : public QStack<State>
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76 | {
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77 | void pushObject(Object *obj)
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78 | {
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79 | push(State(obj));
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80 | }
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81 |
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82 | void pushProperty(const QString &name, const LocationSpan &location)
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83 | {
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84 | const State &state = top();
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85 | if (state.property) {
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86 | State s(state.property->getValue(location),
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87 | state.property->getValue(location)->getProperty(name.toUtf8()));
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88 | s.property->location = location;
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89 | push(s);
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90 | } else {
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91 | State s(state.object,
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92 | state.object->getProperty(name.toUtf8()));
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93 |
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94 | s.property->location = location;
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95 | push(s);
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96 | }
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97 | }
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98 | };
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99 |
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100 | public:
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101 | ProcessAST(QDeclarativeScriptParser *parser);
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102 | virtual ~ProcessAST();
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103 |
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104 | void operator()(const QString &code, AST::Node *node);
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105 |
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106 | protected:
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107 |
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108 | Object *defineObjectBinding(AST::UiQualifiedId *propertyName, bool onAssignment,
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109 | const QString &objectType,
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110 | AST::SourceLocation typeLocation,
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111 | LocationSpan location,
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112 | AST::UiObjectInitializer *initializer = 0);
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113 |
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114 | QDeclarativeParser::Variant getVariant(AST::ExpressionNode *expr);
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115 |
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116 | LocationSpan location(AST::SourceLocation start, AST::SourceLocation end);
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117 | LocationSpan location(AST::UiQualifiedId *);
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118 |
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119 | using AST::Visitor::visit;
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120 | using AST::Visitor::endVisit;
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121 |
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122 | virtual bool visit(AST::UiProgram *node);
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123 | virtual bool visit(AST::UiImport *node);
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124 | virtual bool visit(AST::UiObjectDefinition *node);
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125 | virtual bool visit(AST::UiPublicMember *node);
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126 | virtual bool visit(AST::UiObjectBinding *node);
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127 |
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128 | virtual bool visit(AST::UiScriptBinding *node);
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129 | virtual bool visit(AST::UiArrayBinding *node);
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130 | virtual bool visit(AST::UiSourceElement *node);
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131 |
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132 | void accept(AST::Node *node);
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133 |
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134 | QString asString(AST::UiQualifiedId *node) const;
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135 |
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136 | const State state() const;
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137 | Object *currentObject() const;
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138 | Property *currentProperty() const;
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139 |
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140 | QString qualifiedNameId() const;
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141 |
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142 | QString textAt(const AST::SourceLocation &loc) const
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143 | { return _contents.mid(loc.offset, loc.length); }
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144 |
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145 |
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146 | QString textAt(const AST::SourceLocation &first,
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147 | const AST::SourceLocation &last) const
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148 | { return _contents.mid(first.offset, last.offset + last.length - first.offset); }
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149 |
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150 | QString asString(AST::ExpressionNode *expr)
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151 | {
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152 | if (! expr)
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153 | return QString();
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154 |
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155 | return textAt(expr->firstSourceLocation(), expr->lastSourceLocation());
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156 | }
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157 |
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158 | QString asString(AST::Statement *stmt)
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159 | {
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160 | if (! stmt)
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161 | return QString();
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162 |
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163 | QString s = textAt(stmt->firstSourceLocation(), stmt->lastSourceLocation());
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164 | s += QLatin1Char('\n');
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165 | return s;
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166 | }
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167 |
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168 | private:
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169 | QDeclarativeScriptParser *_parser;
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170 | StateStack _stateStack;
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171 | QStringList _scope;
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172 | QString _contents;
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173 |
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174 | inline bool isSignalProperty(const QByteArray &propertyName) const {
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175 | return (propertyName.length() >= 3 && propertyName.startsWith("on") &&
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176 | ('A' <= propertyName.at(2) && 'Z' >= propertyName.at(2)));
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177 | }
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178 |
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179 | };
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180 |
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181 | ProcessAST::ProcessAST(QDeclarativeScriptParser *parser)
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182 | : _parser(parser)
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183 | {
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184 | }
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185 |
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186 | ProcessAST::~ProcessAST()
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187 | {
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188 | }
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189 |
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190 | void ProcessAST::operator()(const QString &code, AST::Node *node)
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191 | {
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192 | _contents = code;
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193 | accept(node);
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194 | }
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195 |
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196 | void ProcessAST::accept(AST::Node *node)
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197 | {
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198 | AST::Node::acceptChild(node, this);
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199 | }
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200 |
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201 | const ProcessAST::State ProcessAST::state() const
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202 | {
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203 | if (_stateStack.isEmpty())
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204 | return State();
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205 |
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206 | return _stateStack.back();
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207 | }
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208 |
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209 | Object *ProcessAST::currentObject() const
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210 | {
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211 | return state().object;
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212 | }
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213 |
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214 | Property *ProcessAST::currentProperty() const
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215 | {
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216 | return state().property;
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217 | }
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218 |
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219 | QString ProcessAST::qualifiedNameId() const
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220 | {
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221 | return _scope.join(QLatin1String("/"));
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222 | }
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223 |
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224 | QString ProcessAST::asString(AST::UiQualifiedId *node) const
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225 | {
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226 | QString s;
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227 |
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228 | for (AST::UiQualifiedId *it = node; it; it = it->next) {
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229 | s.append(it->name->asString());
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230 |
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231 | if (it->next)
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232 | s.append(QLatin1Char('.'));
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233 | }
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234 |
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235 | return s;
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236 | }
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237 |
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238 | Object *
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239 | ProcessAST::defineObjectBinding(AST::UiQualifiedId *propertyName,
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240 | bool onAssignment,
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241 | const QString &objectType,
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242 | AST::SourceLocation typeLocation,
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243 | LocationSpan location,
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244 | AST::UiObjectInitializer *initializer)
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245 | {
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246 | int lastTypeDot = objectType.lastIndexOf(QLatin1Char('.'));
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247 | bool isType = !objectType.isEmpty() &&
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248 | (objectType.at(0).isUpper() ||
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249 | (lastTypeDot >= 0 && objectType.at(lastTypeDot+1).isUpper()));
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250 |
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251 | int propertyCount = 0;
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252 | for (AST::UiQualifiedId *name = propertyName; name; name = name->next){
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253 | ++propertyCount;
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254 | _stateStack.pushProperty(name->name->asString(),
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255 | this->location(name));
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256 | }
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257 |
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258 | if (!onAssignment && propertyCount && currentProperty() && currentProperty()->values.count()) {
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259 | QDeclarativeError error;
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260 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Property value set multiple times"));
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261 | error.setLine(this->location(propertyName).start.line);
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262 | error.setColumn(this->location(propertyName).start.column);
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263 | _parser->_errors << error;
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264 | return 0;
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265 | }
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266 |
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267 | if (!isType) {
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268 |
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269 | if(propertyCount || !currentObject()) {
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270 | QDeclarativeError error;
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271 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Expected type name"));
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272 | error.setLine(typeLocation.startLine);
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273 | error.setColumn(typeLocation.startColumn);
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274 | _parser->_errors << error;
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275 | return 0;
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276 | }
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277 |
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278 | LocationSpan loc = ProcessAST::location(typeLocation, typeLocation);
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279 | if (propertyName)
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280 | loc = ProcessAST::location(propertyName);
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281 |
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282 | _stateStack.pushProperty(objectType, loc);
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283 | accept(initializer);
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284 | _stateStack.pop();
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285 |
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286 | return 0;
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287 |
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288 | } else {
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289 | // Class
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290 |
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291 | QString resolvableObjectType = objectType;
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292 | if (lastTypeDot >= 0)
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293 | resolvableObjectType.replace(QLatin1Char('.'),QLatin1Char('/'));
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294 |
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295 | Object *obj = new Object;
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296 |
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297 | QDeclarativeScriptParser::TypeReference *typeRef = _parser->findOrCreateType(resolvableObjectType);
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298 | obj->type = typeRef->id;
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299 |
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300 | typeRef->refObjects.append(obj);
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301 |
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302 | // XXX this doesn't do anything (_scope never builds up)
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303 | _scope.append(resolvableObjectType);
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304 | obj->typeName = qualifiedNameId().toUtf8();
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305 | _scope.removeLast();
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306 |
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307 | obj->location = location;
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308 |
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309 | if (propertyCount) {
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310 |
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311 | Property *prop = currentProperty();
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312 | Value *v = new Value;
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313 | v->object = obj;
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314 | v->location = obj->location;
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315 | if (onAssignment)
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316 | prop->addOnValue(v);
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317 | else
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318 | prop->addValue(v);
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319 |
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320 | while (propertyCount--)
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321 | _stateStack.pop();
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322 |
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323 | } else {
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324 |
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325 | if (! _parser->tree()) {
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326 | _parser->setTree(obj);
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327 | } else {
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328 | const State state = _stateStack.top();
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329 | Value *v = new Value;
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330 | v->object = obj;
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331 | v->location = obj->location;
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332 | if (state.property) {
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333 | state.property->addValue(v);
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334 | } else {
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335 | Property *defaultProp = state.object->getDefaultProperty();
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336 | if (defaultProp->location.start.line == -1) {
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337 | defaultProp->location = v->location;
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338 | defaultProp->location.end = defaultProp->location.start;
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339 | defaultProp->location.range.length = 0;
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340 | }
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341 | defaultProp->addValue(v);
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342 | }
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343 | }
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344 | }
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345 |
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346 | _stateStack.pushObject(obj);
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347 | accept(initializer);
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348 | _stateStack.pop();
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349 |
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350 | return obj;
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351 | }
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352 | }
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353 |
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354 | LocationSpan ProcessAST::location(AST::UiQualifiedId *id)
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355 | {
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356 | return location(id->identifierToken, id->identifierToken);
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357 | }
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358 |
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359 | LocationSpan ProcessAST::location(AST::SourceLocation start, AST::SourceLocation end)
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360 | {
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361 | LocationSpan rv;
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362 | rv.start.line = start.startLine;
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363 | rv.start.column = start.startColumn;
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364 | rv.end.line = end.startLine;
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365 | rv.end.column = end.startColumn + end.length - 1;
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366 | rv.range.offset = start.offset;
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367 | rv.range.length = end.offset + end.length - start.offset;
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368 | return rv;
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369 | }
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370 |
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371 | // UiProgram: UiImportListOpt UiObjectMemberList ;
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372 | bool ProcessAST::visit(AST::UiProgram *node)
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373 | {
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374 | accept(node->imports);
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375 | accept(node->members->member);
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376 | return false;
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377 | }
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378 |
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379 | // UiImport: T_IMPORT T_STRING_LITERAL ;
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380 | bool ProcessAST::visit(AST::UiImport *node)
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381 | {
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382 | QString uri;
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383 | QDeclarativeScriptParser::Import import;
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384 |
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385 | if (node->fileName) {
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386 | uri = node->fileName->asString();
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387 |
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388 | if (uri.endsWith(QLatin1String(".js"))) {
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389 | import.type = QDeclarativeScriptParser::Import::Script;
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390 | } else {
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391 | import.type = QDeclarativeScriptParser::Import::File;
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392 | }
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393 | } else {
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394 | import.type = QDeclarativeScriptParser::Import::Library;
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395 | uri = asString(node->importUri);
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396 | }
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397 |
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398 | AST::SourceLocation startLoc = node->importToken;
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399 | AST::SourceLocation endLoc = node->semicolonToken;
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400 |
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401 | // Qualifier
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402 | if (node->importId) {
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403 | import.qualifier = node->importId->asString();
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404 | if (!import.qualifier.at(0).isUpper()) {
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405 | QDeclarativeError error;
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406 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Invalid import qualifier ID"));
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407 | error.setLine(node->importIdToken.startLine);
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408 | error.setColumn(node->importIdToken.startColumn);
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409 | _parser->_errors << error;
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410 | return false;
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411 | }
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412 | if (import.qualifier == QLatin1String("Qt")) {
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413 | QDeclarativeError error;
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414 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Reserved name \"Qt\" cannot be used as an qualifier"));
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415 | error.setLine(node->importIdToken.startLine);
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416 | error.setColumn(node->importIdToken.startColumn);
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417 | _parser->_errors << error;
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418 | return false;
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419 | }
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420 |
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421 | // Check for script qualifier clashes
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422 | bool isScript = import.type == QDeclarativeScriptParser::Import::Script;
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423 | for (int ii = 0; ii < _parser->_imports.count(); ++ii) {
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424 | const QDeclarativeScriptParser::Import &other = _parser->_imports.at(ii);
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425 | bool otherIsScript = other.type == QDeclarativeScriptParser::Import::Script;
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426 |
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427 | if ((isScript || otherIsScript) && import.qualifier == other.qualifier) {
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428 | QDeclarativeError error;
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429 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Script import qualifiers must be unique."));
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430 | error.setLine(node->importIdToken.startLine);
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431 | error.setColumn(node->importIdToken.startColumn);
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432 | _parser->_errors << error;
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433 | return false;
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434 | }
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435 | }
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436 |
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437 | } else if (import.type == QDeclarativeScriptParser::Import::Script) {
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438 | QDeclarativeError error;
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439 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Script import requires a qualifier"));
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440 | error.setLine(node->fileNameToken.startLine);
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441 | error.setColumn(node->fileNameToken.startColumn);
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442 | _parser->_errors << error;
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443 | return false;
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444 | }
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445 |
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446 | if (node->versionToken.isValid()) {
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447 | import.version = textAt(node->versionToken);
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448 | } else if (import.type == QDeclarativeScriptParser::Import::Library) {
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449 | QDeclarativeError error;
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450 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Library import requires a version"));
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451 | error.setLine(node->importIdToken.startLine);
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452 | error.setColumn(node->importIdToken.startColumn);
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453 | _parser->_errors << error;
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454 | return false;
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455 | }
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456 |
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457 |
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458 | import.location = location(startLoc, endLoc);
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459 | import.uri = uri;
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460 |
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461 | _parser->_imports << import;
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462 |
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463 | return false;
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464 | }
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465 |
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466 | bool ProcessAST::visit(AST::UiPublicMember *node)
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467 | {
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468 | const struct TypeNameToType {
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469 | const char *name;
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470 | Object::DynamicProperty::Type type;
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471 | const char *qtName;
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472 | } propTypeNameToTypes[] = {
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473 | { "int", Object::DynamicProperty::Int, "int" },
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474 | { "bool", Object::DynamicProperty::Bool, "bool" },
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475 | { "double", Object::DynamicProperty::Real, "double" },
|
---|
476 | { "real", Object::DynamicProperty::Real, "qreal" },
|
---|
477 | { "string", Object::DynamicProperty::String, "QString" },
|
---|
478 | { "url", Object::DynamicProperty::Url, "QUrl" },
|
---|
479 | { "color", Object::DynamicProperty::Color, "QColor" },
|
---|
480 | // Internally QTime, QDate and QDateTime are all supported.
|
---|
481 | // To be more consistent with JavaScript we expose only
|
---|
482 | // QDateTime as it matches closely with the Date JS type.
|
---|
483 | // We also call it "date" to match.
|
---|
484 | // { "time", Object::DynamicProperty::Time, "QTime" },
|
---|
485 | // { "date", Object::DynamicProperty::Date, "QDate" },
|
---|
486 | { "date", Object::DynamicProperty::DateTime, "QDateTime" },
|
---|
487 | { "variant", Object::DynamicProperty::Variant, "QVariant" }
|
---|
488 | };
|
---|
489 | const int propTypeNameToTypesCount = sizeof(propTypeNameToTypes) /
|
---|
490 | sizeof(propTypeNameToTypes[0]);
|
---|
491 |
|
---|
492 | if(node->type == AST::UiPublicMember::Signal) {
|
---|
493 | const QString name = node->name->asString();
|
---|
494 |
|
---|
495 | Object::DynamicSignal signal;
|
---|
496 | signal.name = name.toUtf8();
|
---|
497 |
|
---|
498 | AST::UiParameterList *p = node->parameters;
|
---|
499 | while (p) {
|
---|
500 | const QString memberType = p->type->asString();
|
---|
501 | const char *qtType = 0;
|
---|
502 | for(int ii = 0; !qtType && ii < propTypeNameToTypesCount; ++ii) {
|
---|
503 | if(QLatin1String(propTypeNameToTypes[ii].name) == memberType)
|
---|
504 | qtType = propTypeNameToTypes[ii].qtName;
|
---|
505 | }
|
---|
506 |
|
---|
507 | if (!qtType) {
|
---|
508 | QDeclarativeError error;
|
---|
509 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Expected parameter type"));
|
---|
510 | error.setLine(node->typeToken.startLine);
|
---|
511 | error.setColumn(node->typeToken.startColumn);
|
---|
512 | _parser->_errors << error;
|
---|
513 | return false;
|
---|
514 | }
|
---|
515 |
|
---|
516 | signal.parameterTypes << qtType;
|
---|
517 | signal.parameterNames << p->name->asString().toUtf8();
|
---|
518 | p = p->finish();
|
---|
519 | }
|
---|
520 |
|
---|
521 | _stateStack.top().object->dynamicSignals << signal;
|
---|
522 | } else {
|
---|
523 | const QString memberType = node->memberType->asString();
|
---|
524 | const QString name = node->name->asString();
|
---|
525 |
|
---|
526 | bool typeFound = false;
|
---|
527 | Object::DynamicProperty::Type type;
|
---|
528 |
|
---|
529 | if (memberType == QLatin1String("alias")) {
|
---|
530 | type = Object::DynamicProperty::Alias;
|
---|
531 | typeFound = true;
|
---|
532 | }
|
---|
533 |
|
---|
534 | for(int ii = 0; !typeFound && ii < propTypeNameToTypesCount; ++ii) {
|
---|
535 | if(QLatin1String(propTypeNameToTypes[ii].name) == memberType) {
|
---|
536 | type = propTypeNameToTypes[ii].type;
|
---|
537 | typeFound = true;
|
---|
538 | }
|
---|
539 | }
|
---|
540 |
|
---|
541 | if (!typeFound && memberType.at(0).isUpper()) {
|
---|
542 | QString typemodifier;
|
---|
543 | if(node->typeModifier)
|
---|
544 | typemodifier = node->typeModifier->asString();
|
---|
545 | if (typemodifier.isEmpty()) {
|
---|
546 | type = Object::DynamicProperty::Custom;
|
---|
547 | } else if(typemodifier == QLatin1String("list")) {
|
---|
548 | type = Object::DynamicProperty::CustomList;
|
---|
549 | } else {
|
---|
550 | QDeclarativeError error;
|
---|
551 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Invalid property type modifier"));
|
---|
552 | error.setLine(node->typeModifierToken.startLine);
|
---|
553 | error.setColumn(node->typeModifierToken.startColumn);
|
---|
554 | _parser->_errors << error;
|
---|
555 | return false;
|
---|
556 | }
|
---|
557 | typeFound = true;
|
---|
558 | } else if (node->typeModifier) {
|
---|
559 | QDeclarativeError error;
|
---|
560 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Unexpected property type modifier"));
|
---|
561 | error.setLine(node->typeModifierToken.startLine);
|
---|
562 | error.setColumn(node->typeModifierToken.startColumn);
|
---|
563 | _parser->_errors << error;
|
---|
564 | return false;
|
---|
565 | }
|
---|
566 |
|
---|
567 | if(!typeFound) {
|
---|
568 | QDeclarativeError error;
|
---|
569 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Expected property type"));
|
---|
570 | error.setLine(node->typeToken.startLine);
|
---|
571 | error.setColumn(node->typeToken.startColumn);
|
---|
572 | _parser->_errors << error;
|
---|
573 | return false;
|
---|
574 | }
|
---|
575 |
|
---|
576 | if (node->isReadonlyMember) {
|
---|
577 | QDeclarativeError error;
|
---|
578 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Readonly not yet supported"));
|
---|
579 | error.setLine(node->readonlyToken.startLine);
|
---|
580 | error.setColumn(node->readonlyToken.startColumn);
|
---|
581 | _parser->_errors << error;
|
---|
582 | return false;
|
---|
583 |
|
---|
584 | }
|
---|
585 | Object::DynamicProperty property;
|
---|
586 | property.isDefaultProperty = node->isDefaultMember;
|
---|
587 | property.type = type;
|
---|
588 | if (type >= Object::DynamicProperty::Custom) {
|
---|
589 | QDeclarativeScriptParser::TypeReference *typeRef =
|
---|
590 | _parser->findOrCreateType(memberType);
|
---|
591 | typeRef->refObjects.append(_stateStack.top().object);
|
---|
592 | }
|
---|
593 | property.customType = memberType.toUtf8();
|
---|
594 | property.name = name.toUtf8();
|
---|
595 | property.location = location(node->firstSourceLocation(),
|
---|
596 | node->lastSourceLocation());
|
---|
597 |
|
---|
598 | if (node->expression) { // default value
|
---|
599 | property.defaultValue = new Property;
|
---|
600 | property.defaultValue->parent = _stateStack.top().object;
|
---|
601 | property.defaultValue->location =
|
---|
602 | location(node->expression->firstSourceLocation(),
|
---|
603 | node->expression->lastSourceLocation());
|
---|
604 | Value *value = new Value;
|
---|
605 | value->location = location(node->expression->firstSourceLocation(),
|
---|
606 | node->expression->lastSourceLocation());
|
---|
607 | value->value = getVariant(node->expression);
|
---|
608 | property.defaultValue->values << value;
|
---|
609 | }
|
---|
610 |
|
---|
611 | _stateStack.top().object->dynamicProperties << property;
|
---|
612 |
|
---|
613 | // process QML-like initializers (e.g. property Object o: Object {})
|
---|
614 | accept(node->binding);
|
---|
615 | }
|
---|
616 |
|
---|
617 | return false;
|
---|
618 | }
|
---|
619 |
|
---|
620 |
|
---|
621 | // UiObjectMember: UiQualifiedId UiObjectInitializer ;
|
---|
622 | bool ProcessAST::visit(AST::UiObjectDefinition *node)
|
---|
623 | {
|
---|
624 | LocationSpan l = location(node->firstSourceLocation(),
|
---|
625 | node->lastSourceLocation());
|
---|
626 |
|
---|
627 | const QString objectType = asString(node->qualifiedTypeNameId);
|
---|
628 | const AST::SourceLocation typeLocation = node->qualifiedTypeNameId->identifierToken;
|
---|
629 |
|
---|
630 | defineObjectBinding(/*propertyName = */ 0, false, objectType,
|
---|
631 | typeLocation, l, node->initializer);
|
---|
632 |
|
---|
633 | return false;
|
---|
634 | }
|
---|
635 |
|
---|
636 |
|
---|
637 | // UiObjectMember: UiQualifiedId T_COLON UiQualifiedId UiObjectInitializer ;
|
---|
638 | bool ProcessAST::visit(AST::UiObjectBinding *node)
|
---|
639 | {
|
---|
640 | LocationSpan l = location(node->qualifiedTypeNameId->identifierToken,
|
---|
641 | node->initializer->rbraceToken);
|
---|
642 |
|
---|
643 | const QString objectType = asString(node->qualifiedTypeNameId);
|
---|
644 | const AST::SourceLocation typeLocation = node->qualifiedTypeNameId->identifierToken;
|
---|
645 |
|
---|
646 | defineObjectBinding(node->qualifiedId, node->hasOnToken, objectType,
|
---|
647 | typeLocation, l, node->initializer);
|
---|
648 |
|
---|
649 | return false;
|
---|
650 | }
|
---|
651 |
|
---|
652 | QDeclarativeParser::Variant ProcessAST::getVariant(AST::ExpressionNode *expr)
|
---|
653 | {
|
---|
654 | if (AST::StringLiteral *lit = AST::cast<AST::StringLiteral *>(expr)) {
|
---|
655 | return QDeclarativeParser::Variant(lit->value->asString());
|
---|
656 | } else if (expr->kind == AST::Node::Kind_TrueLiteral) {
|
---|
657 | return QDeclarativeParser::Variant(true);
|
---|
658 | } else if (expr->kind == AST::Node::Kind_FalseLiteral) {
|
---|
659 | return QDeclarativeParser::Variant(false);
|
---|
660 | } else if (AST::NumericLiteral *lit = AST::cast<AST::NumericLiteral *>(expr)) {
|
---|
661 | return QDeclarativeParser::Variant(lit->value, asString(expr));
|
---|
662 | } else {
|
---|
663 |
|
---|
664 | if (AST::UnaryMinusExpression *unaryMinus = AST::cast<AST::UnaryMinusExpression *>(expr)) {
|
---|
665 | if (AST::NumericLiteral *lit = AST::cast<AST::NumericLiteral *>(unaryMinus->expression)) {
|
---|
666 | return QDeclarativeParser::Variant(-lit->value, asString(expr));
|
---|
667 | }
|
---|
668 | }
|
---|
669 |
|
---|
670 | return QDeclarativeParser::Variant(asString(expr), expr);
|
---|
671 | }
|
---|
672 | }
|
---|
673 |
|
---|
674 |
|
---|
675 | // UiObjectMember: UiQualifiedId T_COLON Statement ;
|
---|
676 | bool ProcessAST::visit(AST::UiScriptBinding *node)
|
---|
677 | {
|
---|
678 | int propertyCount = 0;
|
---|
679 | AST::UiQualifiedId *propertyName = node->qualifiedId;
|
---|
680 | for (AST::UiQualifiedId *name = propertyName; name; name = name->next){
|
---|
681 | ++propertyCount;
|
---|
682 | _stateStack.pushProperty(name->name->asString(),
|
---|
683 | location(name));
|
---|
684 | }
|
---|
685 |
|
---|
686 | Property *prop = currentProperty();
|
---|
687 |
|
---|
688 | if (prop->values.count()) {
|
---|
689 | QDeclarativeError error;
|
---|
690 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Property value set multiple times"));
|
---|
691 | error.setLine(this->location(propertyName).start.line);
|
---|
692 | error.setColumn(this->location(propertyName).start.column);
|
---|
693 | _parser->_errors << error;
|
---|
694 | return 0;
|
---|
695 | }
|
---|
696 |
|
---|
697 | QDeclarativeParser::Variant primitive;
|
---|
698 |
|
---|
699 | if (AST::ExpressionStatement *stmt = AST::cast<AST::ExpressionStatement *>(node->statement)) {
|
---|
700 | primitive = getVariant(stmt->expression);
|
---|
701 | } else { // do binding
|
---|
702 | primitive = QDeclarativeParser::Variant(asString(node->statement),
|
---|
703 | node->statement);
|
---|
704 | }
|
---|
705 |
|
---|
706 | prop->location.range.length = prop->location.range.offset + prop->location.range.length - node->qualifiedId->identifierToken.offset;
|
---|
707 | prop->location.range.offset = node->qualifiedId->identifierToken.offset;
|
---|
708 | Value *v = new Value;
|
---|
709 | v->value = primitive;
|
---|
710 | v->location = location(node->statement->firstSourceLocation(),
|
---|
711 | node->statement->lastSourceLocation());
|
---|
712 |
|
---|
713 | prop->addValue(v);
|
---|
714 |
|
---|
715 | while (propertyCount--)
|
---|
716 | _stateStack.pop();
|
---|
717 |
|
---|
718 | return true;
|
---|
719 | }
|
---|
720 |
|
---|
721 | static QList<int> collectCommas(AST::UiArrayMemberList *members)
|
---|
722 | {
|
---|
723 | QList<int> commas;
|
---|
724 |
|
---|
725 | if (members) {
|
---|
726 | for (AST::UiArrayMemberList *it = members->next; it; it = it->next) {
|
---|
727 | commas.append(it->commaToken.offset);
|
---|
728 | }
|
---|
729 | }
|
---|
730 |
|
---|
731 | return commas;
|
---|
732 | }
|
---|
733 |
|
---|
734 | // UiObjectMember: UiQualifiedId T_COLON T_LBRACKET UiArrayMemberList T_RBRACKET ;
|
---|
735 | bool ProcessAST::visit(AST::UiArrayBinding *node)
|
---|
736 | {
|
---|
737 | int propertyCount = 0;
|
---|
738 | AST::UiQualifiedId *propertyName = node->qualifiedId;
|
---|
739 | for (AST::UiQualifiedId *name = propertyName; name; name = name->next){
|
---|
740 | ++propertyCount;
|
---|
741 | _stateStack.pushProperty(name->name->asString(),
|
---|
742 | location(name));
|
---|
743 | }
|
---|
744 |
|
---|
745 | Property* prop = currentProperty();
|
---|
746 |
|
---|
747 | if (prop->values.count()) {
|
---|
748 | QDeclarativeError error;
|
---|
749 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","Property value set multiple times"));
|
---|
750 | error.setLine(this->location(propertyName).start.line);
|
---|
751 | error.setColumn(this->location(propertyName).start.column);
|
---|
752 | _parser->_errors << error;
|
---|
753 | return 0;
|
---|
754 | }
|
---|
755 |
|
---|
756 | accept(node->members);
|
---|
757 |
|
---|
758 | // For the DOM, store the position of the T_LBRACKET upto the T_RBRACKET as the range:
|
---|
759 | prop->listValueRange.offset = node->lbracketToken.offset;
|
---|
760 | prop->listValueRange.length = node->rbracketToken.offset + node->rbracketToken.length - node->lbracketToken.offset;
|
---|
761 |
|
---|
762 | // Store the positions of the comma token too, again for the DOM to be able to retrieve it.
|
---|
763 | prop->listCommaPositions = collectCommas(node->members);
|
---|
764 |
|
---|
765 | while (propertyCount--)
|
---|
766 | _stateStack.pop();
|
---|
767 |
|
---|
768 | return false;
|
---|
769 | }
|
---|
770 |
|
---|
771 | bool ProcessAST::visit(AST::UiSourceElement *node)
|
---|
772 | {
|
---|
773 | QDeclarativeParser::Object *obj = currentObject();
|
---|
774 |
|
---|
775 | if (AST::FunctionDeclaration *funDecl = AST::cast<AST::FunctionDeclaration *>(node->sourceElement)) {
|
---|
776 |
|
---|
777 | Object::DynamicSlot slot;
|
---|
778 | slot.location = location(funDecl->firstSourceLocation(), funDecl->lastSourceLocation());
|
---|
779 |
|
---|
780 | AST::FormalParameterList *f = funDecl->formals;
|
---|
781 | while (f) {
|
---|
782 | slot.parameterNames << f->name->asString().toUtf8();
|
---|
783 | f = f->finish();
|
---|
784 | }
|
---|
785 |
|
---|
786 | QString body = textAt(funDecl->lbraceToken, funDecl->rbraceToken);
|
---|
787 | slot.name = funDecl->name->asString().toUtf8();
|
---|
788 | slot.body = body;
|
---|
789 | obj->dynamicSlots << slot;
|
---|
790 |
|
---|
791 | } else {
|
---|
792 | QDeclarativeError error;
|
---|
793 | error.setDescription(QCoreApplication::translate("QDeclarativeParser","JavaScript declaration outside Script element"));
|
---|
794 | error.setLine(node->firstSourceLocation().startLine);
|
---|
795 | error.setColumn(node->firstSourceLocation().startColumn);
|
---|
796 | _parser->_errors << error;
|
---|
797 | }
|
---|
798 | return false;
|
---|
799 | }
|
---|
800 |
|
---|
801 | } // end of anonymous namespace
|
---|
802 |
|
---|
803 |
|
---|
804 | QDeclarativeScriptParser::QDeclarativeScriptParser()
|
---|
805 | : root(0), data(0)
|
---|
806 | {
|
---|
807 |
|
---|
808 | }
|
---|
809 |
|
---|
810 | QDeclarativeScriptParser::~QDeclarativeScriptParser()
|
---|
811 | {
|
---|
812 | clear();
|
---|
813 | }
|
---|
814 |
|
---|
815 | class QDeclarativeScriptParserJsASTData
|
---|
816 | {
|
---|
817 | public:
|
---|
818 | QDeclarativeScriptParserJsASTData(const QString &filename)
|
---|
819 | : nodePool(filename, &engine) {}
|
---|
820 |
|
---|
821 | Engine engine;
|
---|
822 | NodePool nodePool;
|
---|
823 | };
|
---|
824 |
|
---|
825 | bool QDeclarativeScriptParser::parse(const QByteArray &qmldata, const QUrl &url)
|
---|
826 | {
|
---|
827 | clear();
|
---|
828 |
|
---|
829 | const QString fileName = url.toString();
|
---|
830 | _scriptFile = fileName;
|
---|
831 |
|
---|
832 | QTextStream stream(qmldata, QIODevice::ReadOnly);
|
---|
833 | #ifndef QT_NO_TEXTCODEC
|
---|
834 | stream.setCodec("UTF-8");
|
---|
835 | #endif
|
---|
836 | const QString code = stream.readAll();
|
---|
837 |
|
---|
838 | data = new QDeclarativeScriptParserJsASTData(fileName);
|
---|
839 |
|
---|
840 | Lexer lexer(&data->engine);
|
---|
841 | lexer.setCode(code, /*line = */ 1);
|
---|
842 |
|
---|
843 | Parser parser(&data->engine);
|
---|
844 |
|
---|
845 | if (! parser.parse() || !_errors.isEmpty()) {
|
---|
846 |
|
---|
847 | // Extract errors from the parser
|
---|
848 | foreach (const DiagnosticMessage &m, parser.diagnosticMessages()) {
|
---|
849 |
|
---|
850 | if (m.isWarning())
|
---|
851 | continue;
|
---|
852 |
|
---|
853 | QDeclarativeError error;
|
---|
854 | error.setUrl(url);
|
---|
855 | error.setDescription(m.message);
|
---|
856 | error.setLine(m.loc.startLine);
|
---|
857 | error.setColumn(m.loc.startColumn);
|
---|
858 | _errors << error;
|
---|
859 |
|
---|
860 | }
|
---|
861 | }
|
---|
862 |
|
---|
863 | if (_errors.isEmpty()) {
|
---|
864 | ProcessAST process(this);
|
---|
865 | process(code, parser.ast());
|
---|
866 |
|
---|
867 | // Set the url for process errors
|
---|
868 | for(int ii = 0; ii < _errors.count(); ++ii)
|
---|
869 | _errors[ii].setUrl(url);
|
---|
870 | }
|
---|
871 |
|
---|
872 | return _errors.isEmpty();
|
---|
873 | }
|
---|
874 |
|
---|
875 | QList<QDeclarativeScriptParser::TypeReference*> QDeclarativeScriptParser::referencedTypes() const
|
---|
876 | {
|
---|
877 | return _refTypes;
|
---|
878 | }
|
---|
879 |
|
---|
880 | Object *QDeclarativeScriptParser::tree() const
|
---|
881 | {
|
---|
882 | return root;
|
---|
883 | }
|
---|
884 |
|
---|
885 | QList<QDeclarativeScriptParser::Import> QDeclarativeScriptParser::imports() const
|
---|
886 | {
|
---|
887 | return _imports;
|
---|
888 | }
|
---|
889 |
|
---|
890 | QList<QDeclarativeError> QDeclarativeScriptParser::errors() const
|
---|
891 | {
|
---|
892 | return _errors;
|
---|
893 | }
|
---|
894 |
|
---|
895 | static void replaceWithSpace(QString &str, int idx, int n)
|
---|
896 | {
|
---|
897 | QChar *data = str.data() + idx;
|
---|
898 | const QChar space(QLatin1Char(' '));
|
---|
899 | for (int ii = 0; ii < n; ++ii)
|
---|
900 | *data++ = space;
|
---|
901 | }
|
---|
902 |
|
---|
903 | /*
|
---|
904 | Searches for ".pragma <value>" declarations within \a script. Currently supported pragmas
|
---|
905 | are:
|
---|
906 | library
|
---|
907 | */
|
---|
908 | QDeclarativeParser::Object::ScriptBlock::Pragmas QDeclarativeScriptParser::extractPragmas(QString &script)
|
---|
909 | {
|
---|
910 | QDeclarativeParser::Object::ScriptBlock::Pragmas rv = QDeclarativeParser::Object::ScriptBlock::None;
|
---|
911 |
|
---|
912 | const QString pragma(QLatin1String("pragma"));
|
---|
913 | const QString library(QLatin1String("library"));
|
---|
914 |
|
---|
915 | QDeclarativeJS::Lexer l(0);
|
---|
916 | l.setCode(script, 0);
|
---|
917 |
|
---|
918 | int token = l.lex();
|
---|
919 |
|
---|
920 | while (true) {
|
---|
921 | if (token != QDeclarativeJSGrammar::T_DOT)
|
---|
922 | return rv;
|
---|
923 |
|
---|
924 | int startOffset = l.tokenOffset();
|
---|
925 | int startLine = l.currentLineNo();
|
---|
926 |
|
---|
927 | token = l.lex();
|
---|
928 |
|
---|
929 | if (token != QDeclarativeJSGrammar::T_IDENTIFIER ||
|
---|
930 | l.currentLineNo() != startLine ||
|
---|
931 | script.mid(l.tokenOffset(), l.tokenLength()) != pragma)
|
---|
932 | return rv;
|
---|
933 |
|
---|
934 | token = l.lex();
|
---|
935 |
|
---|
936 | if (token != QDeclarativeJSGrammar::T_IDENTIFIER ||
|
---|
937 | l.currentLineNo() != startLine)
|
---|
938 | return rv;
|
---|
939 |
|
---|
940 | QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength());
|
---|
941 | int endOffset = l.tokenLength() + l.tokenOffset();
|
---|
942 |
|
---|
943 | token = l.lex();
|
---|
944 | if (l.currentLineNo() == startLine)
|
---|
945 | return rv;
|
---|
946 |
|
---|
947 | if (pragmaValue == QLatin1String("library")) {
|
---|
948 | rv |= QDeclarativeParser::Object::ScriptBlock::Shared;
|
---|
949 | replaceWithSpace(script, startOffset, endOffset - startOffset);
|
---|
950 | } else {
|
---|
951 | return rv;
|
---|
952 | }
|
---|
953 | }
|
---|
954 | return rv;
|
---|
955 | }
|
---|
956 |
|
---|
957 | #define CHECK_LINE if(l.currentLineNo() != startLine) return rv;
|
---|
958 | #define CHECK_TOKEN(t) if (token != QDeclarativeJSGrammar:: t) return rv;
|
---|
959 |
|
---|
960 | static const int uriTokens[] = {
|
---|
961 | QDeclarativeJSGrammar::T_IDENTIFIER,
|
---|
962 | QDeclarativeJSGrammar::T_PROPERTY,
|
---|
963 | QDeclarativeJSGrammar::T_SIGNAL,
|
---|
964 | QDeclarativeJSGrammar::T_READONLY,
|
---|
965 | QDeclarativeJSGrammar::T_ON,
|
---|
966 | QDeclarativeJSGrammar::T_BREAK,
|
---|
967 | QDeclarativeJSGrammar::T_CASE,
|
---|
968 | QDeclarativeJSGrammar::T_CATCH,
|
---|
969 | QDeclarativeJSGrammar::T_CONTINUE,
|
---|
970 | QDeclarativeJSGrammar::T_DEFAULT,
|
---|
971 | QDeclarativeJSGrammar::T_DELETE,
|
---|
972 | QDeclarativeJSGrammar::T_DO,
|
---|
973 | QDeclarativeJSGrammar::T_ELSE,
|
---|
974 | QDeclarativeJSGrammar::T_FALSE,
|
---|
975 | QDeclarativeJSGrammar::T_FINALLY,
|
---|
976 | QDeclarativeJSGrammar::T_FOR,
|
---|
977 | QDeclarativeJSGrammar::T_FUNCTION,
|
---|
978 | QDeclarativeJSGrammar::T_IF,
|
---|
979 | QDeclarativeJSGrammar::T_IN,
|
---|
980 | QDeclarativeJSGrammar::T_INSTANCEOF,
|
---|
981 | QDeclarativeJSGrammar::T_NEW,
|
---|
982 | QDeclarativeJSGrammar::T_NULL,
|
---|
983 | QDeclarativeJSGrammar::T_RETURN,
|
---|
984 | QDeclarativeJSGrammar::T_SWITCH,
|
---|
985 | QDeclarativeJSGrammar::T_THIS,
|
---|
986 | QDeclarativeJSGrammar::T_THROW,
|
---|
987 | QDeclarativeJSGrammar::T_TRUE,
|
---|
988 | QDeclarativeJSGrammar::T_TRY,
|
---|
989 | QDeclarativeJSGrammar::T_TYPEOF,
|
---|
990 | QDeclarativeJSGrammar::T_VAR,
|
---|
991 | QDeclarativeJSGrammar::T_VOID,
|
---|
992 | QDeclarativeJSGrammar::T_WHILE,
|
---|
993 | QDeclarativeJSGrammar::T_CONST,
|
---|
994 | QDeclarativeJSGrammar::T_DEBUGGER,
|
---|
995 | QDeclarativeJSGrammar::T_RESERVED_WORD,
|
---|
996 | QDeclarativeJSGrammar::T_WITH,
|
---|
997 |
|
---|
998 | QDeclarativeJSGrammar::EOF_SYMBOL
|
---|
999 | };
|
---|
1000 | static inline bool isUriToken(int token)
|
---|
1001 | {
|
---|
1002 | const int *current = uriTokens;
|
---|
1003 | while (*current != QDeclarativeJSGrammar::EOF_SYMBOL) {
|
---|
1004 | if (*current == token)
|
---|
1005 | return true;
|
---|
1006 | ++current;
|
---|
1007 | }
|
---|
1008 | return false;
|
---|
1009 | }
|
---|
1010 |
|
---|
1011 | QDeclarativeScriptParser::JavaScriptMetaData QDeclarativeScriptParser::extractMetaData(QString &script)
|
---|
1012 | {
|
---|
1013 | JavaScriptMetaData rv;
|
---|
1014 |
|
---|
1015 | QDeclarativeParser::Object::ScriptBlock::Pragmas &pragmas = rv.pragmas;
|
---|
1016 |
|
---|
1017 | const QString pragma(QLatin1String("pragma"));
|
---|
1018 | const QString js(QLatin1String(".js"));
|
---|
1019 | const QString library(QLatin1String("library"));
|
---|
1020 |
|
---|
1021 | QDeclarativeJS::Lexer l(0);
|
---|
1022 | l.setCode(script, 0);
|
---|
1023 |
|
---|
1024 | int token = l.lex();
|
---|
1025 |
|
---|
1026 | while (true) {
|
---|
1027 | if (token != QDeclarativeJSGrammar::T_DOT)
|
---|
1028 | return rv;
|
---|
1029 |
|
---|
1030 | int startOffset = l.tokenOffset();
|
---|
1031 | int startLine = l.currentLineNo();
|
---|
1032 |
|
---|
1033 | token = l.lex();
|
---|
1034 |
|
---|
1035 | CHECK_LINE;
|
---|
1036 |
|
---|
1037 | if (token == QDeclarativeJSGrammar::T_IMPORT) {
|
---|
1038 |
|
---|
1039 | // .import <URI> <Version> as <Identifier>
|
---|
1040 | // .import <file.js> as <Identifier>
|
---|
1041 |
|
---|
1042 | token = l.lex();
|
---|
1043 |
|
---|
1044 | CHECK_LINE;
|
---|
1045 |
|
---|
1046 | if (token == QDeclarativeJSGrammar::T_STRING_LITERAL) {
|
---|
1047 |
|
---|
1048 | QString file(l.characterBuffer(), l.characterCount());
|
---|
1049 | if (!file.endsWith(js))
|
---|
1050 | return rv;
|
---|
1051 |
|
---|
1052 | token = l.lex();
|
---|
1053 |
|
---|
1054 | CHECK_TOKEN(T_AS);
|
---|
1055 | CHECK_LINE;
|
---|
1056 |
|
---|
1057 | token = l.lex();
|
---|
1058 |
|
---|
1059 | CHECK_TOKEN(T_IDENTIFIER);
|
---|
1060 | CHECK_LINE;
|
---|
1061 |
|
---|
1062 | int endOffset = l.tokenLength() + l.tokenOffset();
|
---|
1063 |
|
---|
1064 | QString importId = script.mid(l.tokenOffset(), l.tokenLength());
|
---|
1065 |
|
---|
1066 | if (!importId.at(0).isUpper())
|
---|
1067 | return rv;
|
---|
1068 |
|
---|
1069 | token = l.lex();
|
---|
1070 | if (l.currentLineNo() == startLine)
|
---|
1071 | return rv;
|
---|
1072 |
|
---|
1073 | replaceWithSpace(script, startOffset, endOffset - startOffset);
|
---|
1074 |
|
---|
1075 | Import import;
|
---|
1076 | import.type = Import::Script;
|
---|
1077 | import.uri = file;
|
---|
1078 | import.qualifier = importId;
|
---|
1079 |
|
---|
1080 | rv.imports << import;
|
---|
1081 |
|
---|
1082 | } else {
|
---|
1083 | // URI
|
---|
1084 | QString uri;
|
---|
1085 | QString version;
|
---|
1086 |
|
---|
1087 | while (true) {
|
---|
1088 | if (!isUriToken(token))
|
---|
1089 | return rv;
|
---|
1090 |
|
---|
1091 | uri.append(QString(l.characterBuffer(), l.characterCount()));
|
---|
1092 |
|
---|
1093 | token = l.lex();
|
---|
1094 | CHECK_LINE;
|
---|
1095 | if (token != QDeclarativeJSGrammar::T_DOT)
|
---|
1096 | break;
|
---|
1097 |
|
---|
1098 | uri.append(QLatin1Char('.'));
|
---|
1099 |
|
---|
1100 | token = l.lex();
|
---|
1101 | CHECK_LINE;
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | CHECK_TOKEN(T_NUMERIC_LITERAL);
|
---|
1105 | version = script.mid(l.tokenOffset(), l.tokenLength());
|
---|
1106 |
|
---|
1107 | token = l.lex();
|
---|
1108 |
|
---|
1109 | CHECK_TOKEN(T_AS);
|
---|
1110 | CHECK_LINE;
|
---|
1111 |
|
---|
1112 | token = l.lex();
|
---|
1113 |
|
---|
1114 | CHECK_TOKEN(T_IDENTIFIER);
|
---|
1115 | CHECK_LINE;
|
---|
1116 |
|
---|
1117 | int endOffset = l.tokenLength() + l.tokenOffset();
|
---|
1118 |
|
---|
1119 | QString importId = script.mid(l.tokenOffset(), l.tokenLength());
|
---|
1120 |
|
---|
1121 | if (!importId.at(0).isUpper())
|
---|
1122 | return rv;
|
---|
1123 |
|
---|
1124 | token = l.lex();
|
---|
1125 | if (l.currentLineNo() == startLine)
|
---|
1126 | return rv;
|
---|
1127 |
|
---|
1128 | replaceWithSpace(script, startOffset, endOffset - startOffset);
|
---|
1129 |
|
---|
1130 | Import import;
|
---|
1131 | import.type = Import::Library;
|
---|
1132 | import.uri = uri;
|
---|
1133 | import.version = version;
|
---|
1134 | import.qualifier = importId;
|
---|
1135 |
|
---|
1136 | rv.imports << import;
|
---|
1137 | }
|
---|
1138 |
|
---|
1139 | } else if (token == QDeclarativeJSGrammar::T_IDENTIFIER &&
|
---|
1140 | script.mid(l.tokenOffset(), l.tokenLength()) == pragma) {
|
---|
1141 |
|
---|
1142 | token = l.lex();
|
---|
1143 |
|
---|
1144 | CHECK_TOKEN(T_IDENTIFIER);
|
---|
1145 | CHECK_LINE;
|
---|
1146 |
|
---|
1147 | QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength());
|
---|
1148 | int endOffset = l.tokenLength() + l.tokenOffset();
|
---|
1149 |
|
---|
1150 | if (pragmaValue == QLatin1String("library")) {
|
---|
1151 | pragmas |= QDeclarativeParser::Object::ScriptBlock::Shared;
|
---|
1152 | replaceWithSpace(script, startOffset, endOffset - startOffset);
|
---|
1153 | } else {
|
---|
1154 | return rv;
|
---|
1155 | }
|
---|
1156 |
|
---|
1157 | token = l.lex();
|
---|
1158 | if (l.currentLineNo() == startLine)
|
---|
1159 | return rv;
|
---|
1160 |
|
---|
1161 | } else {
|
---|
1162 | return rv;
|
---|
1163 | }
|
---|
1164 | }
|
---|
1165 | return rv;
|
---|
1166 | }
|
---|
1167 |
|
---|
1168 | void QDeclarativeScriptParser::clear()
|
---|
1169 | {
|
---|
1170 | if (root) {
|
---|
1171 | root->release();
|
---|
1172 | root = 0;
|
---|
1173 | }
|
---|
1174 | _imports.clear();
|
---|
1175 | qDeleteAll(_refTypes);
|
---|
1176 | _refTypes.clear();
|
---|
1177 | _errors.clear();
|
---|
1178 |
|
---|
1179 | if (data) {
|
---|
1180 | delete data;
|
---|
1181 | data = 0;
|
---|
1182 | }
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | QDeclarativeScriptParser::TypeReference *QDeclarativeScriptParser::findOrCreateType(const QString &name)
|
---|
1186 | {
|
---|
1187 | TypeReference *type = 0;
|
---|
1188 | int i = 0;
|
---|
1189 | for (; i < _refTypes.size(); ++i) {
|
---|
1190 | if (_refTypes.at(i)->name == name) {
|
---|
1191 | type = _refTypes.at(i);
|
---|
1192 | break;
|
---|
1193 | }
|
---|
1194 | }
|
---|
1195 | if (!type) {
|
---|
1196 | type = new TypeReference(i, name);
|
---|
1197 | _refTypes.append(type);
|
---|
1198 | }
|
---|
1199 |
|
---|
1200 | return type;
|
---|
1201 | }
|
---|
1202 |
|
---|
1203 | void QDeclarativeScriptParser::setTree(Object *tree)
|
---|
1204 | {
|
---|
1205 | Q_ASSERT(! root);
|
---|
1206 |
|
---|
1207 | root = tree;
|
---|
1208 | }
|
---|
1209 |
|
---|
1210 | QT_END_NAMESPACE
|
---|