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Diffstat (limited to 'src/declarative/qml/parser/qdeclarativejsparser_p.h')
| -rw-r--r-- | src/declarative/qml/parser/qdeclarativejsparser_p.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/declarative/qml/parser/qdeclarativejsparser_p.h b/src/declarative/qml/parser/qdeclarativejsparser_p.h new file mode 100644 index 0000000000..ad46bfff1d --- /dev/null +++ b/src/declarative/qml/parser/qdeclarativejsparser_p.h @@ -0,0 +1,246 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +// +// This file is automatically generated from qmljs.g. +// Changes will be lost. +// + +#ifndef QDECLARATIVEJSPARSER_P_H +#define QDECLARATIVEJSPARSER_P_H + +#include "private/qdeclarativejsglobal_p.h" +#include "private/qdeclarativejsgrammar_p.h" +#include "private/qdeclarativejsast_p.h" +#include "private/qdeclarativejsengine_p.h" + +#include <QtCore/QList> +#include <QtCore/QString> + +QT_QML_BEGIN_NAMESPACE + +namespace QDeclarativeJS { + +class Engine; +class NameId; + +class QML_PARSER_EXPORT Parser: protected QDeclarativeJSGrammar +{ +public: + union Value { + int ival; + double dval; + NameId *sval; + AST::ArgumentList *ArgumentList; + AST::CaseBlock *CaseBlock; + AST::CaseClause *CaseClause; + AST::CaseClauses *CaseClauses; + AST::Catch *Catch; + AST::DefaultClause *DefaultClause; + AST::ElementList *ElementList; + AST::Elision *Elision; + AST::ExpressionNode *Expression; + AST::Finally *Finally; + AST::FormalParameterList *FormalParameterList; + AST::FunctionBody *FunctionBody; + AST::FunctionDeclaration *FunctionDeclaration; + AST::Node *Node; + AST::PropertyName *PropertyName; + AST::PropertyNameAndValueList *PropertyNameAndValueList; + AST::SourceElement *SourceElement; + AST::SourceElements *SourceElements; + AST::Statement *Statement; + AST::StatementList *StatementList; + AST::Block *Block; + AST::VariableDeclaration *VariableDeclaration; + AST::VariableDeclarationList *VariableDeclarationList; + + AST::UiProgram *UiProgram; + AST::UiImportList *UiImportList; + AST::UiImport *UiImport; + AST::UiParameterList *UiParameterList; + AST::UiPublicMember *UiPublicMember; + AST::UiObjectDefinition *UiObjectDefinition; + AST::UiObjectInitializer *UiObjectInitializer; + AST::UiObjectBinding *UiObjectBinding; + AST::UiScriptBinding *UiScriptBinding; + AST::UiArrayBinding *UiArrayBinding; + AST::UiObjectMember *UiObjectMember; + AST::UiObjectMemberList *UiObjectMemberList; + AST::UiArrayMemberList *UiArrayMemberList; + AST::UiQualifiedId *UiQualifiedId; + AST::UiSignature *UiSignature; + AST::UiFormalList *UiFormalList; + AST::UiFormal *UiFormal; + }; + +public: + Parser(Engine *engine); + ~Parser(); + + // parse a UI program + bool parse() { return parse(T_FEED_UI_PROGRAM); } + bool parseStatement() { return parse(T_FEED_JS_STATEMENT); } + bool parseExpression() { return parse(T_FEED_JS_EXPRESSION); } + bool parseSourceElement() { return parse(T_FEED_JS_SOURCE_ELEMENT); } + bool parseUiObjectMember() { return parse(T_FEED_UI_OBJECT_MEMBER); } + bool parseProgram() { return parse(T_FEED_JS_PROGRAM); } + + AST::UiProgram *ast() const + { return AST::cast<AST::UiProgram *>(program); } + + AST::Statement *statement() const + { + if (! program) + return 0; + + return program->statementCast(); + } + + AST::ExpressionNode *expression() const + { + if (! program) + return 0; + + return program->expressionCast(); + } + + AST::UiObjectMember *uiObjectMember() const + { + if (! program) + return 0; + + return program->uiObjectMemberCast(); + } + + AST::Node *rootNode() const + { return program; } + + QList<DiagnosticMessage> diagnosticMessages() const + { return diagnostic_messages; } + + inline DiagnosticMessage diagnosticMessage() const + { + foreach (const DiagnosticMessage &d, diagnostic_messages) { + if (! d.kind == DiagnosticMessage::Warning) + return d; + } + + return DiagnosticMessage(); + } + + inline QString errorMessage() const + { return diagnosticMessage().message; } + + inline int errorLineNumber() const + { return diagnosticMessage().loc.startLine; } + + inline int errorColumnNumber() const + { return diagnosticMessage().loc.startColumn; } + +protected: + bool parse(int startToken); + + void reallocateStack(); + + inline Value &sym(int index) + { return sym_stack [tos + index - 1]; } + + inline AST::SourceLocation &loc(int index) + { return location_stack [tos + index - 1]; } + + AST::UiQualifiedId *reparseAsQualifiedId(AST::ExpressionNode *expr); + +protected: + Engine *driver; + int tos; + int stack_size; + Value *sym_stack; + int *state_stack; + AST::SourceLocation *location_stack; + + AST::Node *program; + + // error recovery + enum { TOKEN_BUFFER_SIZE = 3 }; + + struct SavedToken { + int token; + double dval; + AST::SourceLocation loc; + }; + + double yylval; + AST::SourceLocation yylloc; + AST::SourceLocation yyprevlloc; + + SavedToken token_buffer[TOKEN_BUFFER_SIZE]; + SavedToken *first_token; + SavedToken *last_token; + + QList<DiagnosticMessage> diagnostic_messages; +}; + +} // end of namespace QDeclarativeJS + + + +#define J_SCRIPT_REGEXPLITERAL_RULE1 78 + +#define J_SCRIPT_REGEXPLITERAL_RULE2 79 + +QT_QML_END_NAMESPACE + + + +#endif // QDECLARATIVEJSPARSER_P_H |