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Diffstat (limited to 'src/declarative/qml/parser/qmljslexer_p.h')
| -rw-r--r-- | src/declarative/qml/parser/qmljslexer_p.h | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/src/declarative/qml/parser/qmljslexer_p.h b/src/declarative/qml/parser/qmljslexer_p.h deleted file mode 100644 index 8f95a90..0000000 --- a/src/declarative/qml/parser/qmljslexer_p.h +++ /dev/null @@ -1,249 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 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. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QMLJSLEXER_P_H -#define QMLJSLEXER_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qmljsglobal_p.h" - -#include <QtCore/QString> - -QT_QML_BEGIN_NAMESPACE - -namespace QmlJS { - -class Engine; -class NameId; - -class QML_PARSER_EXPORT Lexer -{ -public: - Lexer(Engine *eng, bool tokenizeComments = false); - ~Lexer(); - - void setCode(const QString &c, int lineno); - int lex(); - - int currentLineNo() const { return yylineno; } - int currentColumnNo() const { return yycolumn; } - - int tokenOffset() const { return startpos; } - int tokenLength() const { return pos - startpos; } - - int startLineNo() const { return startlineno; } - int startColumnNo() const { return startcolumn; } - - int endLineNo() const { return currentLineNo(); } - int endColumnNo() const - { int col = currentColumnNo(); return (col > 0) ? col - 1 : col; } - - bool prevTerminator() const { return terminator; } - - enum State { Start, - Identifier, - InIdentifier, - InSingleLineComment, - InMultiLineComment, - InNum, - InNum0, - InHex, - InOctal, - InDecimal, - InExponentIndicator, - InExponent, - Hex, - Octal, - Number, - String, - Eof, - InString, - InEscapeSequence, - InHexEscape, - InUnicodeEscape, - Other, - Bad }; - - enum Error { - NoError, - IllegalCharacter, - UnclosedStringLiteral, - IllegalEscapeSequence, - IllegalUnicodeEscapeSequence, - UnclosedComment, - IllegalExponentIndicator, - IllegalIdentifier - }; - - enum ParenthesesState { - IgnoreParentheses, - CountParentheses, - BalancedParentheses - }; - - enum RegExpBodyPrefix { - NoPrefix, - EqualPrefix - }; - - bool scanRegExp(RegExpBodyPrefix prefix = NoPrefix); - - NameId *pattern; - int flags; - - State lexerState() const - { return state; } - - QString errorMessage() const - { return errmsg; } - void setErrorMessage(const QString &err) - { errmsg = err; } - void setErrorMessage(const char *err) - { setErrorMessage(QString::fromLatin1(err)); } - - Error error() const - { return err; } - void clearError() - { err = NoError; } - -private: - Engine *driver; - int yylineno; - bool done; - char *buffer8; - QChar *buffer16; - uint size8, size16; - uint pos8, pos16; - bool terminator; - bool restrKeyword; - // encountered delimiter like "'" and "}" on last run - bool delimited; - int stackToken; - - State state; - void setDone(State s); - uint pos; - void shift(uint p); - int lookupKeyword(const char *); - - bool isWhiteSpace() const; - bool isLineTerminator() const; - bool isHexDigit(ushort c) const; - bool isOctalDigit(ushort c) const; - - int matchPunctuator(ushort c1, ushort c2, - ushort c3, ushort c4); - ushort singleEscape(ushort c) const; - ushort convertOctal(ushort c1, ushort c2, - ushort c3) const; -public: - static unsigned char convertHex(ushort c1); - static unsigned char convertHex(ushort c1, ushort c2); - static QChar convertUnicode(ushort c1, ushort c2, - ushort c3, ushort c4); - static bool isIdentLetter(ushort c); - static bool isDecimalDigit(ushort c); - - inline int ival() const { return qsyylval.ival; } - inline double dval() const { return qsyylval.dval; } - inline NameId *ustr() const { return qsyylval.ustr; } - - const QChar *characterBuffer() const { return buffer16; } - int characterCount() const { return pos16; } - -private: - void record8(ushort c); - void record16(QChar c); - void recordStartPos(); - - int findReservedWord(const QChar *buffer, int size) const; - - void syncProhibitAutomaticSemicolon(); - - const QChar *code; - uint length; - int yycolumn; - int startpos; - int startlineno; - int startcolumn; - int bol; // begin of line - - union { - int ival; - double dval; - NameId *ustr; - } qsyylval; - - // current and following unicode characters - ushort current, next1, next2, next3; - - struct keyword { - const char *name; - int token; - }; - - QString errmsg; - Error err; - - bool wantRx; - bool check_reserved; - - ParenthesesState parenthesesState; - int parenthesesCount; - bool prohibitAutomaticSemicolon; - bool tokenizeComments; -}; - -} // namespace QmlJS - -QT_QML_END_NAMESPACE - -#endif |