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Diffstat (limited to 'tools/linguist/shared/qscript.g')
| -rw-r--r-- | tools/linguist/shared/qscript.g | 2039 |
1 files changed, 0 insertions, 2039 deletions
diff --git a/tools/linguist/shared/qscript.g b/tools/linguist/shared/qscript.g deleted file mode 100644 index 8d33277..0000000 --- a/tools/linguist/shared/qscript.g +++ /dev/null @@ -1,2039 +0,0 @@ ----------------------------------------------------------------------------- --- --- Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). --- Contact: Qt Software Information (qt-info@nokia.com) --- --- This file is part of the Qt Linguist 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. --- $QT_END_LICENSE$ --- --- This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE --- WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. --- ----------------------------------------------------------------------------- - -%parser QScriptGrammar -%merged_output qscript.cpp -%expect 3 -%expect-rr 1 - -%token T_AND "&" T_AND_AND "&&" T_AND_EQ "&=" -%token T_BREAK "break" T_CASE "case" T_CATCH "catch" -%token T_COLON ":" T_COMMA ";" T_CONTINUE "continue" -%token T_DEFAULT "default" T_DELETE "delete" T_DIVIDE_ "/" -%token T_DIVIDE_EQ "/=" T_DO "do" T_DOT "." -%token T_ELSE "else" T_EQ "=" T_EQ_EQ "==" -%token T_EQ_EQ_EQ "===" T_FINALLY "finally" T_FOR "for" -%token T_FUNCTION "function" T_GE ">=" T_GT ">" -%token T_GT_GT ">>" T_GT_GT_EQ ">>=" T_GT_GT_GT ">>>" -%token T_GT_GT_GT_EQ ">>>=" T_IDENTIFIER "identifier" T_IF "if" -%token T_IN "in" T_INSTANCEOF "instanceof" T_LBRACE "{" -%token T_LBRACKET "[" T_LE "<=" T_LPAREN "(" -%token T_LT "<" T_LT_LT "<<" T_LT_LT_EQ "<<=" -%token T_MINUS "-" T_MINUS_EQ "-=" T_MINUS_MINUS "--" -%token T_NEW "new" T_NOT "!" T_NOT_EQ "!=" -%token T_NOT_EQ_EQ "!==" T_NUMERIC_LITERAL "numeric literal" T_OR "|" -%token T_OR_EQ "|=" T_OR_OR "||" T_PLUS "+" -%token T_PLUS_EQ "+=" T_PLUS_PLUS "++" T_QUESTION "?" -%token T_RBRACE "}" T_RBRACKET "]" T_REMAINDER "%" -%token T_REMAINDER_EQ "%=" T_RETURN "return" T_RPAREN ")" -%token T_SEMICOLON ";" T_AUTOMATIC_SEMICOLON T_STAR "*" -%token T_STAR_EQ "*=" T_STRING_LITERAL "string literal" -%token T_SWITCH "switch" T_THIS "this" T_THROW "throw" -%token T_TILDE "~" T_TRY "try" T_TYPEOF "typeof" -%token T_VAR "var" T_VOID "void" T_WHILE "while" -%token T_WITH "with" T_XOR "^" T_XOR_EQ "^=" -%token T_NULL "null" T_TRUE "true" T_FALSE "false" -%token T_CONST "const" -%token T_DEBUGGER "debugger" -%token T_RESERVED_WORD "reserved word" - -%start Program - -/. -#include "translator.h" - -#include <QtCore/qdebug.h> -#include <QtCore/qnumeric.h> -#include <QtCore/qstring.h> -#include <QtCore/qtextcodec.h> -#include <QtCore/qvariant.h> - -#include <ctype.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -QT_BEGIN_NAMESPACE - -static void recordMessage( - Translator *tor, const QString &context, const QString &text, const QString &comment, - const QString &extracomment, bool plural, const QString &fileName, int lineNo) -{ - TranslatorMessage msg( - context, text, comment, QString(), - fileName, lineNo, QStringList(), - TranslatorMessage::Unfinished, plural); - msg.setExtraComment(extracomment.simplified()); - tor->replace(msg); -} - - -namespace QScript -{ - -class Lexer -{ -public: - Lexer(); - ~Lexer(); - - void setCode(const QString &c, int lineno); - int lex(); - - int currentLineNo() const { return yylineno; } - int currentColumnNo() const { return yycolumn; } - - 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); - - QString 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: - 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.toInt(); } - inline double dval() const { return qsyylval.toDouble(); } - inline QString ustr() const { return qsyylval.toString(); } - inline QVariant val() const { return qsyylval; } - - 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 startlineno; - int startcolumn; - int bol; // begin of line - - QVariant 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; -}; - -} // namespace QScript - -extern double qstrtod(const char *s00, char const **se, bool *ok); - -#define shiftWindowsLineBreak() if(current == '\r' && next1 == '\n') shift(1); - -namespace QScript { - -static int toDigit(char c) -{ - if ((c >= '0') && (c <= '9')) - return c - '0'; - else if ((c >= 'a') && (c <= 'z')) - return 10 + c - 'a'; - else if ((c >= 'A') && (c <= 'Z')) - return 10 + c - 'A'; - return -1; -} - -double integerFromString(const char *buf, int size, int radix) -{ - if (size == 0) - return qSNaN(); - - double sign = 1.0; - int i = 0; - if (buf[0] == '+') { - ++i; - } else if (buf[0] == '-') { - sign = -1.0; - ++i; - } - - if (((size-i) >= 2) && (buf[i] == '0')) { - if (((buf[i+1] == 'x') || (buf[i+1] == 'X')) - && (radix < 34)) { - if ((radix != 0) && (radix != 16)) - return 0; - radix = 16; - i += 2; - } else { - if (radix == 0) { - radix = 8; - ++i; - } - } - } else if (radix == 0) { - radix = 10; - } - - int j = i; - for ( ; i < size; ++i) { - int d = toDigit(buf[i]); - if ((d == -1) || (d >= radix)) - break; - } - double result; - if (j == i) { - if (!qstrcmp(buf, "Infinity")) - result = qInf(); - else - result = qSNaN(); - } else { - result = 0; - double multiplier = 1; - for (--i ; i >= j; --i, multiplier *= radix) - result += toDigit(buf[i]) * multiplier; - } - result *= sign; - return result; -} - -} // namespace QScript - -QScript::Lexer::Lexer() - : - yylineno(0), - size8(128), size16(128), restrKeyword(false), - stackToken(-1), pos(0), - code(0), length(0), - bol(true), - current(0), next1(0), next2(0), next3(0), - err(NoError), - check_reserved(true), - parenthesesState(IgnoreParentheses), - prohibitAutomaticSemicolon(false) -{ - // allocate space for read buffers - buffer8 = new char[size8]; - buffer16 = new QChar[size16]; - flags = 0; - -} - -QScript::Lexer::~Lexer() -{ - delete [] buffer8; - delete [] buffer16; -} - -void QScript::Lexer::setCode(const QString &c, int lineno) -{ - errmsg = QString(); - yylineno = lineno; - yycolumn = 1; - restrKeyword = false; - delimited = false; - stackToken = -1; - pos = 0; - code = c.unicode(); - length = c.length(); - bol = true; - - // read first characters - current = (length > 0) ? code[0].unicode() : 0; - next1 = (length > 1) ? code[1].unicode() : 0; - next2 = (length > 2) ? code[2].unicode() : 0; - next3 = (length > 3) ? code[3].unicode() : 0; -} - -void QScript::Lexer::shift(uint p) -{ - while (p--) { - ++pos; - ++yycolumn; - current = next1; - next1 = next2; - next2 = next3; - next3 = (pos + 3 < length) ? code[pos+3].unicode() : 0; - } -} - -void QScript::Lexer::setDone(State s) -{ - state = s; - done = true; -} - -int QScript::Lexer::findReservedWord(const QChar *c, int size) const -{ - switch (size) { - case 2: { - if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('o')) - return QScriptGrammar::T_DO; - else if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('f')) - return QScriptGrammar::T_IF; - else if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n')) - return QScriptGrammar::T_IN; - } break; - - case 3: { - if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('o') && c[2] == QLatin1Char('r')) - return QScriptGrammar::T_FOR; - else if (c[0] == QLatin1Char('n') && c[1] == QLatin1Char('e') && c[2] == QLatin1Char('w')) - return QScriptGrammar::T_NEW; - else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('r') && c[2] == QLatin1Char('y')) - return QScriptGrammar::T_TRY; - else if (c[0] == QLatin1Char('v') && c[1] == QLatin1Char('a') && c[2] == QLatin1Char('r')) - return QScriptGrammar::T_VAR; - else if (check_reserved) { - if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n') && c[2] == QLatin1Char('t')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 4: { - if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('a') - && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('e')) - return QScriptGrammar::T_CASE; - else if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('l') - && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('e')) - return QScriptGrammar::T_ELSE; - else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('h') - && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('s')) - return QScriptGrammar::T_THIS; - else if (c[0] == QLatin1Char('v') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('d')) - return QScriptGrammar::T_VOID; - else if (c[0] == QLatin1Char('w') && c[1] == QLatin1Char('i') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('h')) - return QScriptGrammar::T_WITH; - else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('r') - && c[2] == QLatin1Char('u') && c[3] == QLatin1Char('e')) - return QScriptGrammar::T_TRUE; - else if (c[0] == QLatin1Char('n') && c[1] == QLatin1Char('u') - && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('l')) - return QScriptGrammar::T_NULL; - else if (check_reserved) { - if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('n') - && c[2] == QLatin1Char('u') && c[3] == QLatin1Char('m')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('b') && c[1] == QLatin1Char('y') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('e')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('l') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('g')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('h') - && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('r')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('g') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('o')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 5: { - if (c[0] == QLatin1Char('b') && c[1] == QLatin1Char('r') - && c[2] == QLatin1Char('e') && c[3] == QLatin1Char('a') - && c[4] == QLatin1Char('k')) - return QScriptGrammar::T_BREAK; - else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('a') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('c') - && c[4] == QLatin1Char('h')) - return QScriptGrammar::T_CATCH; - else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('h') - && c[2] == QLatin1Char('r') && c[3] == QLatin1Char('o') - && c[4] == QLatin1Char('w')) - return QScriptGrammar::T_THROW; - else if (c[0] == QLatin1Char('w') && c[1] == QLatin1Char('h') - && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('l') - && c[4] == QLatin1Char('e')) - return QScriptGrammar::T_WHILE; - else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('s') - && c[4] == QLatin1Char('t')) - return QScriptGrammar::T_CONST; - else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('a') - && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('s') - && c[4] == QLatin1Char('e')) - return QScriptGrammar::T_FALSE; - else if (check_reserved) { - if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('h') - && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('r') - && c[4] == QLatin1Char('t')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('u') - && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('e') - && c[4] == QLatin1Char('r')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('i') - && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('a') - && c[4] == QLatin1Char('l')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('l') - && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('s') - && c[4] == QLatin1Char('s')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('l') - && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('a') - && c[4] == QLatin1Char('t')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 6: { - if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('e') - && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('e') - && c[4] == QLatin1Char('t') && c[5] == QLatin1Char('e')) - return QScriptGrammar::T_DELETE; - else if (c[0] == QLatin1Char('r') && c[1] == QLatin1Char('e') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('u') - && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('n')) - return QScriptGrammar::T_RETURN; - else if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('w') - && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('t') - && c[4] == QLatin1Char('c') && c[5] == QLatin1Char('h')) - return QScriptGrammar::T_SWITCH; - else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('y') - && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('e') - && c[4] == QLatin1Char('o') && c[5] == QLatin1Char('f')) - return QScriptGrammar::T_TYPEOF; - else if (check_reserved) { - if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('x') - && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('o') - && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('t')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('t') - && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('t') - && c[4] == QLatin1Char('i') && c[5] == QLatin1Char('c')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('u') && c[3] == QLatin1Char('b') - && c[4] == QLatin1Char('l') && c[5] == QLatin1Char('e')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('m') - && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('o') - && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('t')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('u') - && c[2] == QLatin1Char('b') && c[3] == QLatin1Char('l') - && c[4] == QLatin1Char('i') && c[5] == QLatin1Char('c')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('n') && c[1] == QLatin1Char('a') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('i') - && c[4] == QLatin1Char('v') && c[5] == QLatin1Char('e')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('h') - && c[2] == QLatin1Char('r') && c[3] == QLatin1Char('o') - && c[4] == QLatin1Char('w') && c[5] == QLatin1Char('s')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 7: { - if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('e') - && c[2] == QLatin1Char('f') && c[3] == QLatin1Char('a') - && c[4] == QLatin1Char('u') && c[5] == QLatin1Char('l') - && c[6] == QLatin1Char('t')) - return QScriptGrammar::T_DEFAULT; - else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('i') - && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('a') - && c[4] == QLatin1Char('l') && c[5] == QLatin1Char('l') - && c[6] == QLatin1Char('y')) - return QScriptGrammar::T_FINALLY; - else if (check_reserved) { - if (c[0] == QLatin1Char('b') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('l') - && c[4] == QLatin1Char('e') && c[5] == QLatin1Char('a') - && c[6] == QLatin1Char('n')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('e') && c[1] == QLatin1Char('x') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('e') - && c[4] == QLatin1Char('n') && c[5] == QLatin1Char('d') - && c[6] == QLatin1Char('s')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('a') - && c[2] == QLatin1Char('c') && c[3] == QLatin1Char('k') - && c[4] == QLatin1Char('a') && c[5] == QLatin1Char('g') - && c[6] == QLatin1Char('e')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('r') - && c[2] == QLatin1Char('i') && c[3] == QLatin1Char('v') - && c[4] == QLatin1Char('a') && c[5] == QLatin1Char('t') - && c[6] == QLatin1Char('e')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 8: { - if (c[0] == QLatin1Char('c') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('t') - && c[4] == QLatin1Char('i') && c[5] == QLatin1Char('n') - && c[6] == QLatin1Char('u') && c[7] == QLatin1Char('e')) - return QScriptGrammar::T_CONTINUE; - else if (c[0] == QLatin1Char('f') && c[1] == QLatin1Char('u') - && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('c') - && c[4] == QLatin1Char('t') && c[5] == QLatin1Char('i') - && c[6] == QLatin1Char('o') && c[7] == QLatin1Char('n')) - return QScriptGrammar::T_FUNCTION; - else if (c[0] == QLatin1Char('d') && c[1] == QLatin1Char('e') - && c[2] == QLatin1Char('b') && c[3] == QLatin1Char('u') - && c[4] == QLatin1Char('g') && c[5] == QLatin1Char('g') - && c[6] == QLatin1Char('e') && c[7] == QLatin1Char('r')) - return QScriptGrammar::T_DEBUGGER; - else if (check_reserved) { - if (c[0] == QLatin1Char('a') && c[1] == QLatin1Char('b') - && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('t') - && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('a') - && c[6] == QLatin1Char('c') && c[7] == QLatin1Char('t')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('v') && c[1] == QLatin1Char('o') - && c[2] == QLatin1Char('l') && c[3] == QLatin1Char('a') - && c[4] == QLatin1Char('t') && c[5] == QLatin1Char('i') - && c[6] == QLatin1Char('l') && c[7] == QLatin1Char('e')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 9: { - if (check_reserved) { - if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n') - && c[2] == QLatin1Char('t') && c[3] == QLatin1Char('e') - && c[4] == QLatin1Char('r') && c[5] == QLatin1Char('f') - && c[6] == QLatin1Char('a') && c[7] == QLatin1Char('c') - && c[8] == QLatin1Char('e')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('t') && c[1] == QLatin1Char('r') - && c[2] == QLatin1Char('a') && c[3] == QLatin1Char('n') - && c[4] == QLatin1Char('s') && c[5] == QLatin1Char('i') - && c[6] == QLatin1Char('e') && c[7] == QLatin1Char('n') - && c[8] == QLatin1Char('t')) - return QScriptGrammar::T_RESERVED_WORD; - else if (c[0] == QLatin1Char('p') && c[1] == QLatin1Char('r') - && c[2] == QLatin1Char('o') && c[3] == QLatin1Char('t') - && c[4] == QLatin1Char('e') && c[5] == QLatin1Char('c') - && c[6] == QLatin1Char('t') && c[7] == QLatin1Char('e') - && c[8] == QLatin1Char('d')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 10: { - if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('n') - && c[2] == QLatin1Char('s') && c[3] == QLatin1Char('t') - && c[4] == QLatin1Char('a') && c[5] == QLatin1Char('n') - && c[6] == QLatin1Char('c') && c[7] == QLatin1Char('e') - && c[8] == QLatin1Char('o') && c[9] == QLatin1Char('f')) - return QScriptGrammar::T_INSTANCEOF; - else if (check_reserved) { - if (c[0] == QLatin1Char('i') && c[1] == QLatin1Char('m') - && c[2] == QLatin1Char('p') && c[3] == QLatin1Char('l') - && c[4] == QLatin1Char('e') && c[5] == QLatin1Char('m') - && c[6] == QLatin1Char('e') && c[7] == QLatin1Char('n') - && c[8] == QLatin1Char('t') && c[9] == QLatin1Char('s')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - case 12: { - if (check_reserved) { - if (c[0] == QLatin1Char('s') && c[1] == QLatin1Char('y') - && c[2] == QLatin1Char('n') && c[3] == QLatin1Char('c') - && c[4] == QLatin1Char('h') && c[5] == QLatin1Char('r') - && c[6] == QLatin1Char('o') && c[7] == QLatin1Char('n') - && c[8] == QLatin1Char('i') && c[9] == QLatin1Char('z') - && c[10] == QLatin1Char('e') && c[11] == QLatin1Char('d')) - return QScriptGrammar::T_RESERVED_WORD; - } - } break; - - } // switch - - return -1; -} - -int QScript::Lexer::lex() -{ - int token = 0; - state = Start; - ushort stringType = 0; // either single or double quotes - pos8 = pos16 = 0; - done = false; - terminator = false; - - // did we push a token on the stack previously ? - // (after an automatic semicolon insertion) - if (stackToken >= 0) { - setDone(Other); - token = stackToken; - stackToken = -1; - } - - while (!done) { - switch (state) { - case Start: - if (isWhiteSpace()) { - // do nothing - } else if (current == '/' && next1 == '/') { - recordStartPos(); - shift(1); - state = InSingleLineComment; - } else if (current == '/' && next1 == '*') { - recordStartPos(); - shift(1); - state = InMultiLineComment; - } else if (current == 0) { - syncProhibitAutomaticSemicolon(); - if (!terminator && !delimited && !prohibitAutomaticSemicolon) { - // automatic semicolon insertion if program incomplete - token = QScriptGrammar::T_SEMICOLON; - stackToken = 0; - setDone(Other); - } else { - setDone(Eof); - } - } else if (isLineTerminator()) { - shiftWindowsLineBreak(); - yylineno++; - yycolumn = 0; - bol = true; - terminator = true; - syncProhibitAutomaticSemicolon(); - if (restrKeyword) { - token = QScriptGrammar::T_SEMICOLON; - setDone(Other); - } - } else if (current == '"' || current == '\'') { - recordStartPos(); - state = InString; - stringType = current; - } else if (isIdentLetter(current)) { - recordStartPos(); - record16(current); - state = InIdentifier; - } else if (current == '0') { - recordStartPos(); - record8(current); - state = InNum0; - } else if (isDecimalDigit(current)) { - recordStartPos(); - record8(current); - state = InNum; - } else if (current == '.' && isDecimalDigit(next1)) { - recordStartPos(); - record8(current); - state = InDecimal; - } else { - recordStartPos(); - token = matchPunctuator(current, next1, next2, next3); - if (token != -1) { - if (terminator && !delimited && !prohibitAutomaticSemicolon - && (token == QScriptGrammar::T_PLUS_PLUS - || token == QScriptGrammar::T_MINUS_MINUS)) { - // automatic semicolon insertion - stackToken = token; - token = QScriptGrammar::T_SEMICOLON; - } - setDone(Other); - } - else { - setDone(Bad); - err = IllegalCharacter; - errmsg = QLatin1String("Illegal character"); - } - } - break; - case InString: - if (current == stringType) { - shift(1); - setDone(String); - } else if (current == 0 || isLineTerminator()) { - setDone(Bad); - err = UnclosedStringLiteral; - errmsg = QLatin1String("Unclosed string at end of line"); - } else if (current == '\\') { - state = InEscapeSequence; - } else { - record16(current); - } - break; - // Escape Sequences inside of strings - case InEscapeSequence: - if (isOctalDigit(current)) { - if (current >= '0' && current <= '3' && - isOctalDigit(next1) && isOctalDigit(next2)) { - record16(convertOctal(current, next1, next2)); - shift(2); - state = InString; - } else if (isOctalDigit(current) && - isOctalDigit(next1)) { - record16(convertOctal('0', current, next1)); - shift(1); - state = InString; - } else if (isOctalDigit(current)) { - record16(convertOctal('0', '0', current)); - state = InString; - } else { - setDone(Bad); - err = IllegalEscapeSequence; - errmsg = QLatin1String("Illegal escape squence"); - } - } else if (current == 'x') - state = InHexEscape; - else if (current == 'u') - state = InUnicodeEscape; - else { - record16(singleEscape(current)); - state = InString; - } - break; - case InHexEscape: - if (isHexDigit(current) && isHexDigit(next1)) { - state = InString; - record16(QLatin1Char(convertHex(current, next1))); - shift(1); - } else if (current == stringType) { - record16(QLatin1Char('x')); - shift(1); - setDone(String); - } else { - record16(QLatin1Char('x')); - record16(current); - state = InString; - } - break; - case InUnicodeEscape: - if (isHexDigit(current) && isHexDigit(next1) && - isHexDigit(next2) && isHexDigit(next3)) { - record16(convertUnicode(current, next1, next2, next3)); - shift(3); - state = InString; - } else if (current == stringType) { - record16(QLatin1Char('u')); - shift(1); - setDone(String); - } else { - setDone(Bad); - err = IllegalUnicodeEscapeSequence; - errmsg = QLatin1String("Illegal unicode escape sequence"); - } - break; - case InSingleLineComment: - if (isLineTerminator()) { - shiftWindowsLineBreak(); - yylineno++; - yycolumn = 0; - terminator = true; - bol = true; - if (restrKeyword) { - token = QScriptGrammar::T_SEMICOLON; - setDone(Other); - } else - state = Start; - } else if (current == 0) { - setDone(Eof); - } - break; - case InMultiLineComment: - if (current == 0) { - setDone(Bad); - err = UnclosedComment; - errmsg = QLatin1String("Unclosed comment at end of file"); - } else if (isLineTerminator()) { - shiftWindowsLineBreak(); - yylineno++; - } else if (current == '*' && next1 == '/') { - state = Start; - shift(1); - } - break; - case InIdentifier: - if (isIdentLetter(current) || isDecimalDigit(current)) { - record16(current); - break; - } - setDone(Identifier); - break; - case InNum0: - if (current == 'x' || current == 'X') { - record8(current); - state = InHex; - } else if (current == '.') { - record8(current); - state = InDecimal; - } else if (current == 'e' || current == 'E') { - record8(current); - state = InExponentIndicator; - } else if (isOctalDigit(current)) { - record8(current); - state = InOctal; - } else if (isDecimalDigit(current)) { - record8(current); - state = InDecimal; - } else { - setDone(Number); - } - break; - case InHex: - if (isHexDigit(current)) - record8(current); - else - setDone(Hex); - break; - case InOctal: - if (isOctalDigit(current)) { - record8(current); - } else if (isDecimalDigit(current)) { - record8(current); - state = InDecimal; - } else { - setDone(Octal); - } - break; - case InNum: - if (isDecimalDigit(current)) { - record8(current); - } else if (current == '.') { - record8(current); - state = InDecimal; - } else if (current == 'e' || current == 'E') { - record8(current); - state = InExponentIndicator; - } else { - setDone(Number); - } - break; - case InDecimal: - if (isDecimalDigit(current)) { - record8(current); - } else if (current == 'e' || current == 'E') { - record8(current); - state = InExponentIndicator; - } else { - setDone(Number); - } - break; - case InExponentIndicator: - if (current == '+' || current == '-') { - record8(current); - } else if (isDecimalDigit(current)) { - record8(current); - state = InExponent; - } else { - setDone(Bad); - err = IllegalExponentIndicator; - errmsg = QLatin1String("Illegal syntax for exponential number"); - } - break; - case InExponent: - if (isDecimalDigit(current)) { - record8(current); - } else { - setDone(Number); - } - break; - default: - Q_ASSERT_X(0, "Lexer::lex", "Unhandled state in switch statement"); - } - - // move on to the next character - if (!done) - shift(1); - if (state != Start && state != InSingleLineComment) - bol = false; - } - - // no identifiers allowed directly after numeric literal, e.g. "3in" is bad - if ((state == Number || state == Octal || state == Hex) - && isIdentLetter(current)) { - state = Bad; - err = IllegalIdentifier; - errmsg = QLatin1String("Identifier cannot start with numeric literal"); - } - - // terminate string - buffer8[pos8] = '\0'; - - double dval = 0; - if (state == Number) { - dval = qstrtod(buffer8, 0, 0); - } else if (state == Hex) { // scan hex numbers - dval = QScript::integerFromString(buffer8, pos8, 16); - state = Number; - } else if (state == Octal) { // scan octal number - dval = QScript::integerFromString(buffer8, pos8, 8); - state = Number; - } - - restrKeyword = false; - delimited = false; - - switch (parenthesesState) { - case IgnoreParentheses: - break; - case CountParentheses: - if (token == QScriptGrammar::T_RPAREN) { - --parenthesesCount; - if (parenthesesCount == 0) - parenthesesState = BalancedParentheses; - } else if (token == QScriptGrammar::T_LPAREN) { - ++parenthesesCount; - } - break; - case BalancedParentheses: - parenthesesState = IgnoreParentheses; - break; - } - - switch (state) { - case Eof: - return 0; - case Other: - if(token == QScriptGrammar::T_RBRACE || token == QScriptGrammar::T_SEMICOLON) - delimited = true; - return token; - case Identifier: - if ((token = findReservedWord(buffer16, pos16)) < 0) { - /* TODO: close leak on parse error. same holds true for String */ - qsyylval = QString(buffer16, pos16); - return QScriptGrammar::T_IDENTIFIER; - } - if (token == QScriptGrammar::T_CONTINUE || token == QScriptGrammar::T_BREAK - || token == QScriptGrammar::T_RETURN || token == QScriptGrammar::T_THROW) { - restrKeyword = true; - } else if (token == QScriptGrammar::T_IF || token == QScriptGrammar::T_FOR - || token == QScriptGrammar::T_WHILE || token == QScriptGrammar::T_WITH) { - parenthesesState = CountParentheses; - parenthesesCount = 0; - } else if (token == QScriptGrammar::T_DO) { - parenthesesState = BalancedParentheses; - } - return token; - case String: - qsyylval = QString(buffer16, pos16); - return QScriptGrammar::T_STRING_LITERAL; - case Number: - qsyylval = dval; - return QScriptGrammar::T_NUMERIC_LITERAL; - case Bad: - return -1; - default: - Q_ASSERT(!"unhandled numeration value in switch"); - return -1; - } -} - -bool QScript::Lexer::isWhiteSpace() const -{ - return (current == ' ' || current == '\t' || - current == 0x0b || current == 0x0c); -} - -bool QScript::Lexer::isLineTerminator() const -{ - return (current == '\n' || current == '\r'); -} - -bool QScript::Lexer::isIdentLetter(ushort c) -{ - /* TODO: allow other legitimate unicode chars */ - return ((c >= 'a' && c <= 'z') - || (c >= 'A' && c <= 'Z') - || c == '$' - || c == '_'); -} - -bool QScript::Lexer::isDecimalDigit(ushort c) -{ - return (c >= '0' && c <= '9'); -} - -bool QScript::Lexer::isHexDigit(ushort c) const -{ - return ((c >= '0' && c <= '9') - || (c >= 'a' && c <= 'f') - || (c >= 'A' && c <= 'F')); -} - -bool QScript::Lexer::isOctalDigit(ushort c) const -{ - return (c >= '0' && c <= '7'); -} - -int QScript::Lexer::matchPunctuator(ushort c1, ushort c2, - ushort c3, ushort c4) -{ - if (c1 == '>' && c2 == '>' && c3 == '>' && c4 == '=') { - shift(4); - return QScriptGrammar::T_GT_GT_GT_EQ; - } else if (c1 == '=' && c2 == '=' && c3 == '=') { - shift(3); - return QScriptGrammar::T_EQ_EQ_EQ; - } else if (c1 == '!' && c2 == '=' && c3 == '=') { - shift(3); - return QScriptGrammar::T_NOT_EQ_EQ; - } else if (c1 == '>' && c2 == '>' && c3 == '>') { - shift(3); - return QScriptGrammar::T_GT_GT_GT; - } else if (c1 == '<' && c2 == '<' && c3 == '=') { - shift(3); - return QScriptGrammar::T_LT_LT_EQ; - } else if (c1 == '>' && c2 == '>' && c3 == '=') { - shift(3); - return QScriptGrammar::T_GT_GT_EQ; - } else if (c1 == '<' && c2 == '=') { - shift(2); - return QScriptGrammar::T_LE; - } else if (c1 == '>' && c2 == '=') { - shift(2); - return QScriptGrammar::T_GE; - } else if (c1 == '!' && c2 == '=') { - shift(2); - return QScriptGrammar::T_NOT_EQ; - } else if (c1 == '+' && c2 == '+') { - shift(2); - return QScriptGrammar::T_PLUS_PLUS; - } else if (c1 == '-' && c2 == '-') { - shift(2); - return QScriptGrammar::T_MINUS_MINUS; - } else if (c1 == '=' && c2 == '=') { - shift(2); - return QScriptGrammar::T_EQ_EQ; - } else if (c1 == '+' && c2 == '=') { - shift(2); - return QScriptGrammar::T_PLUS_EQ; - } else if (c1 == '-' && c2 == '=') { - shift(2); - return QScriptGrammar::T_MINUS_EQ; - } else if (c1 == '*' && c2 == '=') { - shift(2); - return QScriptGrammar::T_STAR_EQ; - } else if (c1 == '/' && c2 == '=') { - shift(2); - return QScriptGrammar::T_DIVIDE_EQ; - } else if (c1 == '&' && c2 == '=') { - shift(2); - return QScriptGrammar::T_AND_EQ; - } else if (c1 == '^' && c2 == '=') { - shift(2); - return QScriptGrammar::T_XOR_EQ; - } else if (c1 == '%' && c2 == '=') { - shift(2); - return QScriptGrammar::T_REMAINDER_EQ; - } else if (c1 == '|' && c2 == '=') { - shift(2); - return QScriptGrammar::T_OR_EQ; - } else if (c1 == '<' && c2 == '<') { - shift(2); - return QScriptGrammar::T_LT_LT; - } else if (c1 == '>' && c2 == '>') { - shift(2); - return QScriptGrammar::T_GT_GT; - } else if (c1 == '&' && c2 == '&') { - shift(2); - return QScriptGrammar::T_AND_AND; - } else if (c1 == '|' && c2 == '|') { - shift(2); - return QScriptGrammar::T_OR_OR; - } - - switch(c1) { - case '=': shift(1); return QScriptGrammar::T_EQ; - case '>': shift(1); return QScriptGrammar::T_GT; - case '<': shift(1); return QScriptGrammar::T_LT; - case ',': shift(1); return QScriptGrammar::T_COMMA; - case '!': shift(1); return QScriptGrammar::T_NOT; - case '~': shift(1); return QScriptGrammar::T_TILDE; - case '?': shift(1); return QScriptGrammar::T_QUESTION; - case ':': shift(1); return QScriptGrammar::T_COLON; - case '.': shift(1); return QScriptGrammar::T_DOT; - case '+': shift(1); return QScriptGrammar::T_PLUS; - case '-': shift(1); return QScriptGrammar::T_MINUS; - case '*': shift(1); return QScriptGrammar::T_STAR; - case '/': shift(1); return QScriptGrammar::T_DIVIDE_; - case '&': shift(1); return QScriptGrammar::T_AND; - case '|': shift(1); return QScriptGrammar::T_OR; - case '^': shift(1); return QScriptGrammar::T_XOR; - case '%': shift(1); return QScriptGrammar::T_REMAINDER; - case '(': shift(1); return QScriptGrammar::T_LPAREN; - case ')': shift(1); return QScriptGrammar::T_RPAREN; - case '{': shift(1); return QScriptGrammar::T_LBRACE; - case '}': shift(1); return QScriptGrammar::T_RBRACE; - case '[': shift(1); return QScriptGrammar::T_LBRACKET; - case ']': shift(1); return QScriptGrammar::T_RBRACKET; - case ';': shift(1); return QScriptGrammar::T_SEMICOLON; - - default: return -1; - } -} - -ushort QScript::Lexer::singleEscape(ushort c) const -{ - switch(c) { - case 'b': - return 0x08; - case 't': - return 0x09; - case 'n': - return 0x0A; - case 'v': - return 0x0B; - case 'f': - return 0x0C; - case 'r': - return 0x0D; - case '"': - return 0x22; - case '\'': - return 0x27; - case '\\': - return 0x5C; - default: - return c; - } -} - -ushort QScript::Lexer::convertOctal(ushort c1, ushort c2, - ushort c3) const -{ - return ((c1 - '0') * 64 + (c2 - '0') * 8 + c3 - '0'); -} - -unsigned char QScript::Lexer::convertHex(ushort c) -{ - if (c >= '0' && c <= '9') - return (c - '0'); - else if (c >= 'a' && c <= 'f') - return (c - 'a' + 10); - else - return (c - 'A' + 10); -} - -unsigned char QScript::Lexer::convertHex(ushort c1, ushort c2) -{ - return ((convertHex(c1) << 4) + convertHex(c2)); -} - -QChar QScript::Lexer::convertUnicode(ushort c1, ushort c2, - ushort c3, ushort c4) -{ - return QChar((convertHex(c3) << 4) + convertHex(c4), - (convertHex(c1) << 4) + convertHex(c2)); -} - -void QScript::Lexer::record8(ushort c) -{ - Q_ASSERT(c <= 0xff); - - // enlarge buffer if full - if (pos8 >= size8 - 1) { - char *tmp = new char[2 * size8]; - memcpy(tmp, buffer8, size8 * sizeof(char)); - delete [] buffer8; - buffer8 = tmp; - size8 *= 2; - } - - buffer8[pos8++] = (char) c; -} - -void QScript::Lexer::record16(QChar c) -{ - // enlarge buffer if full - if (pos16 >= size16 - 1) { - QChar *tmp = new QChar[2 * size16]; - memcpy(tmp, buffer16, size16 * sizeof(QChar)); - delete [] buffer16; - buffer16 = tmp; - size16 *= 2; - } - - buffer16[pos16++] = c; -} - -void QScript::Lexer::recordStartPos() -{ - startlineno = yylineno; - startcolumn = yycolumn; -} - -bool QScript::Lexer::scanRegExp(RegExpBodyPrefix prefix) -{ - pos16 = 0; - bool lastWasEscape = false; - - if (prefix == EqualPrefix) - record16(QLatin1Char('=')); - - while (1) { - if (isLineTerminator() || current == 0) { - errmsg = QLatin1String("Unterminated regular expression literal"); - return false; - } - else if (current != '/' || lastWasEscape == true) - { - record16(current); - lastWasEscape = !lastWasEscape && (current == '\\'); - } - else { - pattern = QString(buffer16, pos16); - pos16 = 0; - shift(1); - break; - } - shift(1); - } - - flags = 0; - while (isIdentLetter(current)) { - record16(current); - shift(1); - } - - return true; -} - -void QScript::Lexer::syncProhibitAutomaticSemicolon() -{ - if (parenthesesState == BalancedParentheses) { - // we have seen something like "if (foo)", which means we should - // never insert an automatic semicolon at this point, since it would - // then be expanded into an empty statement (ECMA-262 7.9.1) - prohibitAutomaticSemicolon = true; - parenthesesState = IgnoreParentheses; - } else { - prohibitAutomaticSemicolon = false; - } -} - - -class Translator; - -class QScriptParser: protected $table -{ -public: - QVariant val; - - struct Location { - int startLine; - int startColumn; - int endLine; - int endColumn; - }; - -public: - QScriptParser(); - ~QScriptParser(); - - bool parse(QScript::Lexer *lexer, - const QString &fileName, - Translator *translator); - - inline QString errorMessage() const - { return error_message; } - inline int errorLineNumber() const - { return error_lineno; } - inline int errorColumnNumber() const - { return error_column; } - -protected: - inline void reallocateStack(); - - inline QVariant &sym(int index) - { return sym_stack [tos + index - 1]; } - - inline Location &loc(int index) - { return location_stack [tos + index - 2]; } - -protected: - int tos; - int stack_size; - QVector<QVariant> sym_stack; - int *state_stack; - Location *location_stack; - QString error_message; - int error_lineno; - int error_column; -}; - -inline void QScriptParser::reallocateStack() -{ - if (! stack_size) - stack_size = 128; - else - stack_size <<= 1; - - sym_stack.resize(stack_size); - state_stack = reinterpret_cast<int*> (qRealloc(state_stack, stack_size * sizeof(int))); - location_stack = reinterpret_cast<Location*> (qRealloc(location_stack, stack_size * sizeof(Location))); -} - -inline static bool automatic(QScript::Lexer *lexer, int token) -{ - return (token == $table::T_RBRACE) - || (token == 0) - || lexer->prevTerminator(); -} - -QScriptParser::QScriptParser(): - tos(0), - stack_size(0), - sym_stack(0), - state_stack(0), - location_stack(0) -{ -} - -QScriptParser::~QScriptParser() -{ - if (stack_size) { - qFree(state_stack); - qFree(location_stack); - } -} - -static inline QScriptParser::Location location(QScript::Lexer *lexer) -{ - QScriptParser::Location loc; - loc.startLine = lexer->startLineNo(); - loc.startColumn = lexer->startColumnNo(); - loc.endLine = lexer->endLineNo(); - loc.endColumn = lexer->endColumnNo(); - return loc; -} - -bool QScriptParser::parse(QScript::Lexer *lexer, - const QString &fileName, - Translator *translator) -{ - const int INITIAL_STATE = 0; - - int yytoken = -1; - int saved_yytoken = -1; - int identLineNo = -1; - - reallocateStack(); - - tos = 0; - state_stack[++tos] = INITIAL_STATE; - - while (true) - { - const int state = state_stack [tos]; - if (yytoken == -1 && - TERMINAL_COUNT != action_index [state]) - { - if (saved_yytoken == -1) - { - yytoken = lexer->lex(); - location_stack [tos] = location(lexer); - } - else - { - yytoken = saved_yytoken; - saved_yytoken = -1; - } - } - - int act = t_action (state, yytoken); - - if (act == ACCEPT_STATE) - return true; - - else if (act > 0) - { - if (++tos == stack_size) - reallocateStack(); - - sym_stack [tos] = lexer->val (); - state_stack [tos] = act; - location_stack [tos] = location(lexer); - yytoken = -1; - } - - else if (act < 0) - { - int r = - act - 1; - - tos -= rhs [r]; - act = state_stack [tos++]; - - switch (r) { -./ - -PrimaryExpression: T_THIS ; - -PrimaryExpression: T_IDENTIFIER ; -/. -case $rule_number: { - sym(1) = sym(1).toByteArray(); - identLineNo = lexer->startLineNo(); -} break; -./ - -PrimaryExpression: T_NULL ; -PrimaryExpression: T_TRUE ; -PrimaryExpression: T_FALSE ; -PrimaryExpression: T_NUMERIC_LITERAL ; -PrimaryExpression: T_STRING_LITERAL ; - -PrimaryExpression: T_DIVIDE_ ; -/: -#define Q_SCRIPT_REGEXPLITERAL_RULE1 $rule_number -:/ -/. -case $rule_number: { - bool rx = lexer->scanRegExp(QScript::Lexer::NoPrefix); - if (!rx) { - error_message = lexer->errorMessage(); - error_lineno = lexer->startLineNo(); - error_column = lexer->startColumnNo(); - return false; - } -} break; -./ - -PrimaryExpression: T_DIVIDE_EQ ; -/: -#define Q_SCRIPT_REGEXPLITERAL_RULE2 $rule_number -:/ -/. -case $rule_number: { - bool rx = lexer->scanRegExp(QScript::Lexer::EqualPrefix); - if (!rx) { - error_message = lexer->errorMessage(); - error_lineno = lexer->startLineNo(); - error_column = lexer->startColumnNo(); - return false; - } -} break; -./ - -PrimaryExpression: T_LBRACKET ElisionOpt T_RBRACKET ; -PrimaryExpression: T_LBRACKET ElementList T_RBRACKET ; -PrimaryExpression: T_LBRACKET ElementList T_COMMA ElisionOpt T_RBRACKET ; -PrimaryExpression: T_LBRACE PropertyNameAndValueListOpt T_RBRACE ; -PrimaryExpression: T_LPAREN Expression T_RPAREN ; -ElementList: ElisionOpt AssignmentExpression ; -ElementList: ElementList T_COMMA ElisionOpt AssignmentExpression ; -Elision: T_COMMA ; -Elision: Elision T_COMMA ; -ElisionOpt: ; -ElisionOpt: Elision ; -PropertyNameAndValueList: PropertyName T_COLON AssignmentExpression ; -PropertyNameAndValueList: PropertyNameAndValueList T_COMMA PropertyName T_COLON AssignmentExpression ; -PropertyName: T_IDENTIFIER ; -PropertyName: T_STRING_LITERAL ; -PropertyName: T_NUMERIC_LITERAL ; -PropertyName: ReservedIdentifier ; -ReservedIdentifier: T_BREAK ; -ReservedIdentifier: T_CASE ; -ReservedIdentifier: T_CATCH ; -ReservedIdentifier: T_CONST ; -ReservedIdentifier: T_CONTINUE ; -ReservedIdentifier: T_DEBUGGER ; -ReservedIdentifier: T_DEFAULT ; -ReservedIdentifier: T_DELETE ; -ReservedIdentifier: T_DO ; -ReservedIdentifier: T_ELSE ; -ReservedIdentifier: T_FALSE ; -ReservedIdentifier: T_FINALLY ; -ReservedIdentifier: T_FOR ; -ReservedIdentifier: T_FUNCTION ; -ReservedIdentifier: T_IF ; -ReservedIdentifier: T_IN ; -ReservedIdentifier: T_INSTANCEOF ; -ReservedIdentifier: T_NEW ; -ReservedIdentifier: T_NULL ; -ReservedIdentifier: T_RESERVED_WORD ; -ReservedIdentifier: T_RETURN ; -ReservedIdentifier: T_SWITCH ; -ReservedIdentifier: T_THIS ; -ReservedIdentifier: T_THROW ; -ReservedIdentifier: T_TRUE ; -ReservedIdentifier: T_TRY ; -ReservedIdentifier: T_TYPEOF ; -ReservedIdentifier: T_VAR ; -ReservedIdentifier: T_VOID ; -ReservedIdentifier: T_WHILE ; -ReservedIdentifier: T_WITH ; -PropertyIdentifier: T_IDENTIFIER ; -PropertyIdentifier: ReservedIdentifier ; - -MemberExpression: PrimaryExpression ; -MemberExpression: FunctionExpression ; -MemberExpression: MemberExpression T_LBRACKET Expression T_RBRACKET ; -MemberExpression: MemberExpression T_DOT PropertyIdentifier ; -MemberExpression: T_NEW MemberExpression Arguments ; -NewExpression: MemberExpression ; -NewExpression: T_NEW NewExpression ; - -CallExpression: MemberExpression Arguments ; -/. -case $rule_number: { - QString name = sym(1).toString(); - if ((name == QLatin1String("qsTranslate")) || (name == QLatin1String("QT_TRANSLATE_NOOP"))) { - QVariantList args = sym(2).toList(); - if (args.size() < 2) { - qWarning("%s:%d: %s() requires at least two arguments", - qPrintable(fileName), identLineNo, qPrintable(name)); - } else { - if ((args.at(0).type() != QVariant::String) - || (args.at(1).type() != QVariant::String)) { - qWarning("%s:%d: %s(): both arguments must be literal strings", - qPrintable(fileName), identLineNo, qPrintable(name)); - } else { - QString context = args.at(0).toString(); - QString text = args.at(1).toString(); - QString comment = args.value(2).toString(); - QString extracomment; - bool plural = (args.size() > 4); - recordMessage(translator, context, text, comment, extracomment, - plural, fileName, identLineNo); - } - } - } else if ((name == QLatin1String("qsTr")) || (name == QLatin1String("QT_TR_NOOP"))) { - QVariantList args = sym(2).toList(); - if (args.size() < 1) { - qWarning("%s:%d: %s() requires at least one argument", - qPrintable(fileName), identLineNo, qPrintable(name)); - } else { - if (args.at(0).type() != QVariant::String) { - qWarning("%s:%d: %s(): text to translate must be a literal string", - qPrintable(fileName), identLineNo, qPrintable(name)); - } else { - QString context = QFileInfo(fileName).baseName(); - QString text = args.at(0).toString(); - QString comment = args.value(1).toString(); - QString extracomment; - bool plural = (args.size() > 2); - recordMessage(translator, context, text, comment, extracomment, - plural, fileName, identLineNo); - } - } - } -} break; -./ - -CallExpression: CallExpression Arguments ; -CallExpression: CallExpression T_LBRACKET Expression T_RBRACKET ; -CallExpression: CallExpression T_DOT PropertyIdentifier ; - -Arguments: T_LPAREN T_RPAREN ; -/. -case $rule_number: { - sym(1) = QVariantList(); -} break; -./ - -Arguments: T_LPAREN ArgumentList T_RPAREN ; -/. -case $rule_number: { - sym(1) = sym(2); -} break; -./ - -ArgumentList: AssignmentExpression ; -/. -case $rule_number: { - sym(1) = QVariantList() << sym(1); -} break; -./ - -ArgumentList: ArgumentList T_COMMA AssignmentExpression ; -/. -case $rule_number: { - sym(1) = sym(1).toList() << sym(3); -} break; -./ - -LeftHandSideExpression: NewExpression ; -LeftHandSideExpression: CallExpression ; -PostfixExpression: LeftHandSideExpression ; -PostfixExpression: LeftHandSideExpression T_PLUS_PLUS ; -PostfixExpression: LeftHandSideExpression T_MINUS_MINUS ; -UnaryExpression: PostfixExpression ; -UnaryExpression: T_DELETE UnaryExpression ; -UnaryExpression: T_VOID UnaryExpression ; -UnaryExpression: T_TYPEOF UnaryExpression ; -UnaryExpression: T_PLUS_PLUS UnaryExpression ; -UnaryExpression: T_MINUS_MINUS UnaryExpression ; -UnaryExpression: T_PLUS UnaryExpression ; -UnaryExpression: T_MINUS UnaryExpression ; -UnaryExpression: T_TILDE UnaryExpression ; -UnaryExpression: T_NOT UnaryExpression ; -MultiplicativeExpression: UnaryExpression ; -MultiplicativeExpression: MultiplicativeExpression T_STAR UnaryExpression ; -MultiplicativeExpression: MultiplicativeExpression T_DIVIDE_ UnaryExpression ; -MultiplicativeExpression: MultiplicativeExpression T_REMAINDER UnaryExpression ; -AdditiveExpression: MultiplicativeExpression ; - -AdditiveExpression: AdditiveExpression T_PLUS MultiplicativeExpression ; -/. -case $rule_number: { - if ((sym(1).type() == QVariant::String) || (sym(3).type() == QVariant::String)) - sym(1) = sym(1).toString() + sym(3).toString(); - else - sym(1) = QVariant(); -} break; -./ - -AdditiveExpression: AdditiveExpression T_MINUS MultiplicativeExpression ; -ShiftExpression: AdditiveExpression ; -ShiftExpression: ShiftExpression T_LT_LT AdditiveExpression ; -ShiftExpression: ShiftExpression T_GT_GT AdditiveExpression ; -ShiftExpression: ShiftExpression T_GT_GT_GT AdditiveExpression ; -RelationalExpression: ShiftExpression ; -RelationalExpression: RelationalExpression T_LT ShiftExpression ; -RelationalExpression: RelationalExpression T_GT ShiftExpression ; -RelationalExpression: RelationalExpression T_LE ShiftExpression ; -RelationalExpression: RelationalExpression T_GE ShiftExpression ; -RelationalExpression: RelationalExpression T_INSTANCEOF ShiftExpression ; -RelationalExpression: RelationalExpression T_IN ShiftExpression ; -RelationalExpressionNotIn: ShiftExpression ; -RelationalExpressionNotIn: RelationalExpressionNotIn T_LT ShiftExpression ; -RelationalExpressionNotIn: RelationalExpressionNotIn T_GT ShiftExpression ; -RelationalExpressionNotIn: RelationalExpressionNotIn T_LE ShiftExpression ; -RelationalExpressionNotIn: RelationalExpressionNotIn T_GE ShiftExpression ; -RelationalExpressionNotIn: RelationalExpressionNotIn T_INSTANCEOF ShiftExpression ; -EqualityExpression: RelationalExpression ; -EqualityExpression: EqualityExpression T_EQ_EQ RelationalExpression ; -EqualityExpression: EqualityExpression T_NOT_EQ RelationalExpression ; -EqualityExpression: EqualityExpression T_EQ_EQ_EQ RelationalExpression ; -EqualityExpression: EqualityExpression T_NOT_EQ_EQ RelationalExpression ; -EqualityExpressionNotIn: RelationalExpressionNotIn ; -EqualityExpressionNotIn: EqualityExpressionNotIn T_EQ_EQ RelationalExpressionNotIn ; -EqualityExpressionNotIn: EqualityExpressionNotIn T_NOT_EQ RelationalExpressionNotIn; -EqualityExpressionNotIn: EqualityExpressionNotIn T_EQ_EQ_EQ RelationalExpressionNotIn ; -EqualityExpressionNotIn: EqualityExpressionNotIn T_NOT_EQ_EQ RelationalExpressionNotIn ; -BitwiseANDExpression: EqualityExpression ; -BitwiseANDExpression: BitwiseANDExpression T_AND EqualityExpression ; -BitwiseANDExpressionNotIn: EqualityExpressionNotIn ; -BitwiseANDExpressionNotIn: BitwiseANDExpressionNotIn T_AND EqualityExpressionNotIn ; -BitwiseXORExpression: BitwiseANDExpression ; -BitwiseXORExpression: BitwiseXORExpression T_XOR BitwiseANDExpression ; -BitwiseXORExpressionNotIn: BitwiseANDExpressionNotIn ; -BitwiseXORExpressionNotIn: BitwiseXORExpressionNotIn T_XOR BitwiseANDExpressionNotIn ; -BitwiseORExpression: BitwiseXORExpression ; -BitwiseORExpression: BitwiseORExpression T_OR BitwiseXORExpression ; -BitwiseORExpressionNotIn: BitwiseXORExpressionNotIn ; -BitwiseORExpressionNotIn: BitwiseORExpressionNotIn T_OR BitwiseXORExpressionNotIn ; -LogicalANDExpression: BitwiseORExpression ; -LogicalANDExpression: LogicalANDExpression T_AND_AND BitwiseORExpression ; -LogicalANDExpressionNotIn: BitwiseORExpressionNotIn ; -LogicalANDExpressionNotIn: LogicalANDExpressionNotIn T_AND_AND BitwiseORExpressionNotIn ; -LogicalORExpression: LogicalANDExpression ; -LogicalORExpression: LogicalORExpression T_OR_OR LogicalANDExpression ; -LogicalORExpressionNotIn: LogicalANDExpressionNotIn ; -LogicalORExpressionNotIn: LogicalORExpressionNotIn T_OR_OR LogicalANDExpressionNotIn ; -ConditionalExpression: LogicalORExpression ; -ConditionalExpression: LogicalORExpression T_QUESTION AssignmentExpression T_COLON AssignmentExpression ; -ConditionalExpressionNotIn: LogicalORExpressionNotIn ; -ConditionalExpressionNotIn: LogicalORExpressionNotIn T_QUESTION AssignmentExpressionNotIn T_COLON AssignmentExpressionNotIn ; -AssignmentExpression: ConditionalExpression ; -AssignmentExpression: LeftHandSideExpression AssignmentOperator AssignmentExpression ; -AssignmentExpressionNotIn: ConditionalExpressionNotIn ; -AssignmentExpressionNotIn: LeftHandSideExpression AssignmentOperator AssignmentExpressionNotIn ; -AssignmentOperator: T_EQ ; -AssignmentOperator: T_STAR_EQ ; -AssignmentOperator: T_DIVIDE_EQ ; -AssignmentOperator: T_REMAINDER_EQ ; -AssignmentOperator: T_PLUS_EQ ; -AssignmentOperator: T_MINUS_EQ ; -AssignmentOperator: T_LT_LT_EQ ; -AssignmentOperator: T_GT_GT_EQ ; -AssignmentOperator: T_GT_GT_GT_EQ ; -AssignmentOperator: T_AND_EQ ; -AssignmentOperator: T_XOR_EQ ; -AssignmentOperator: T_OR_EQ ; -Expression: AssignmentExpression ; -Expression: Expression T_COMMA AssignmentExpression ; -ExpressionOpt: ; -ExpressionOpt: Expression ; -ExpressionNotIn: AssignmentExpressionNotIn ; -ExpressionNotIn: ExpressionNotIn T_COMMA AssignmentExpressionNotIn ; -ExpressionNotInOpt: ; -ExpressionNotInOpt: ExpressionNotIn ; - -Statement: Block ; -Statement: VariableStatement ; -Statement: EmptyStatement ; -Statement: ExpressionStatement ; -Statement: IfStatement ; -Statement: IterationStatement ; -Statement: ContinueStatement ; -Statement: BreakStatement ; -Statement: ReturnStatement ; -Statement: WithStatement ; -Statement: LabelledStatement ; -Statement: SwitchStatement ; -Statement: ThrowStatement ; -Statement: TryStatement ; -Statement: DebuggerStatement ; - -Block: T_LBRACE StatementListOpt T_RBRACE ; -StatementList: Statement ; -StatementList: StatementList Statement ; -StatementListOpt: ; -StatementListOpt: StatementList ; -VariableStatement: VariableDeclarationKind VariableDeclarationList T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -VariableStatement: VariableDeclarationKind VariableDeclarationList T_SEMICOLON ; -VariableDeclarationKind: T_CONST ; -VariableDeclarationKind: T_VAR ; -VariableDeclarationList: VariableDeclaration ; -VariableDeclarationList: VariableDeclarationList T_COMMA VariableDeclaration ; -VariableDeclarationListNotIn: VariableDeclarationNotIn ; -VariableDeclarationListNotIn: VariableDeclarationListNotIn T_COMMA VariableDeclarationNotIn ; -VariableDeclaration: T_IDENTIFIER InitialiserOpt ; -VariableDeclarationNotIn: T_IDENTIFIER InitialiserNotInOpt ; -Initialiser: T_EQ AssignmentExpression ; -InitialiserOpt: ; -InitialiserOpt: Initialiser ; -InitialiserNotIn: T_EQ AssignmentExpressionNotIn ; -InitialiserNotInOpt: ; -InitialiserNotInOpt: InitialiserNotIn ; -EmptyStatement: T_SEMICOLON ; -ExpressionStatement: Expression T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -ExpressionStatement: Expression T_SEMICOLON ; -IfStatement: T_IF T_LPAREN Expression T_RPAREN Statement T_ELSE Statement ; -IfStatement: T_IF T_LPAREN Expression T_RPAREN Statement ; -IterationStatement: T_DO Statement T_WHILE T_LPAREN Expression T_RPAREN T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -IterationStatement: T_DO Statement T_WHILE T_LPAREN Expression T_RPAREN T_SEMICOLON ; -IterationStatement: T_WHILE T_LPAREN Expression T_RPAREN Statement ; -IterationStatement: T_FOR T_LPAREN ExpressionNotInOpt T_SEMICOLON ExpressionOpt T_SEMICOLON ExpressionOpt T_RPAREN Statement ; -IterationStatement: T_FOR T_LPAREN T_VAR VariableDeclarationListNotIn T_SEMICOLON ExpressionOpt T_SEMICOLON ExpressionOpt T_RPAREN Statement ; -IterationStatement: T_FOR T_LPAREN LeftHandSideExpression T_IN Expression T_RPAREN Statement ; -IterationStatement: T_FOR T_LPAREN T_VAR VariableDeclarationNotIn T_IN Expression T_RPAREN Statement ; -ContinueStatement: T_CONTINUE T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -ContinueStatement: T_CONTINUE T_SEMICOLON ; -ContinueStatement: T_CONTINUE T_IDENTIFIER T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -ContinueStatement: T_CONTINUE T_IDENTIFIER T_SEMICOLON ; -BreakStatement: T_BREAK T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -BreakStatement: T_BREAK T_SEMICOLON ; -BreakStatement: T_BREAK T_IDENTIFIER T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -BreakStatement: T_BREAK T_IDENTIFIER T_SEMICOLON ; -ReturnStatement: T_RETURN ExpressionOpt T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -ReturnStatement: T_RETURN ExpressionOpt T_SEMICOLON ; -WithStatement: T_WITH T_LPAREN Expression T_RPAREN Statement ; -SwitchStatement: T_SWITCH T_LPAREN Expression T_RPAREN CaseBlock ; -CaseBlock: T_LBRACE CaseClausesOpt T_RBRACE ; -CaseBlock: T_LBRACE CaseClausesOpt DefaultClause CaseClausesOpt T_RBRACE ; -CaseClauses: CaseClause ; -CaseClauses: CaseClauses CaseClause ; -CaseClausesOpt: ; -CaseClausesOpt: CaseClauses ; -CaseClause: T_CASE Expression T_COLON StatementListOpt ; -DefaultClause: T_DEFAULT T_COLON StatementListOpt ; -LabelledStatement: T_IDENTIFIER T_COLON Statement ; -ThrowStatement: T_THROW Expression T_AUTOMATIC_SEMICOLON ; -- automatic semicolon -ThrowStatement: T_THROW Expression T_SEMICOLON ; -TryStatement: T_TRY Block Catch ; -TryStatement: T_TRY Block Finally ; -TryStatement: T_TRY Block Catch Finally ; -Catch: T_CATCH T_LPAREN T_IDENTIFIER T_RPAREN Block ; -Finally: T_FINALLY Block ; -DebuggerStatement: T_DEBUGGER ; -FunctionDeclaration: T_FUNCTION T_IDENTIFIER T_LPAREN FormalParameterListOpt T_RPAREN T_LBRACE FunctionBodyOpt T_RBRACE ; -FunctionExpression: T_FUNCTION IdentifierOpt T_LPAREN FormalParameterListOpt T_RPAREN T_LBRACE FunctionBodyOpt T_RBRACE ; -FormalParameterList: T_IDENTIFIER ; -FormalParameterList: FormalParameterList T_COMMA T_IDENTIFIER ; -FormalParameterListOpt: ; -FormalParameterListOpt: FormalParameterList ; -FunctionBodyOpt: ; -FunctionBodyOpt: FunctionBody ; -FunctionBody: SourceElements ; -Program: SourceElements ; -SourceElements: SourceElement ; -SourceElements: SourceElements SourceElement ; -SourceElement: Statement ; -SourceElement: FunctionDeclaration ; -IdentifierOpt: ; -IdentifierOpt: T_IDENTIFIER ; -PropertyNameAndValueListOpt: ; -PropertyNameAndValueListOpt: PropertyNameAndValueList ; - -/. - } // switch - - state_stack [tos] = nt_action (act, lhs [r] - TERMINAL_COUNT); - - if (rhs[r] > 1) { - location_stack[tos - 1].endLine = location_stack[tos + rhs[r] - 2].endLine; - location_stack[tos - 1].endColumn = location_stack[tos + rhs[r] - 2].endColumn; - location_stack[tos] = location_stack[tos + rhs[r] - 1]; - } - } - - else - { - if (saved_yytoken == -1 && automatic (lexer, yytoken) && t_action (state, T_AUTOMATIC_SEMICOLON) > 0) - { - saved_yytoken = yytoken; - yytoken = T_SEMICOLON; - continue; - } - - else if ((state == INITIAL_STATE) && (yytoken == 0)) { - // accept empty input - yytoken = T_SEMICOLON; - continue; - } - - int ers = state; - int shifts = 0; - int reduces = 0; - int expected_tokens [3]; - for (int tk = 0; tk < TERMINAL_COUNT; ++tk) - { - int k = t_action (ers, tk); - - if (! k) - continue; - else if (k < 0) - ++reduces; - else if (spell [tk]) - { - if (shifts < 3) - expected_tokens [shifts] = tk; - ++shifts; - } - } - - error_message.clear (); - if (shifts && shifts < 3) - { - bool first = true; - - for (int s = 0; s < shifts; ++s) - { - if (first) - error_message += QLatin1String ("Expected "); - else - error_message += QLatin1String (", "); - - first = false; - error_message += QLatin1String("`"); - error_message += QLatin1String (spell [expected_tokens [s]]); - error_message += QLatin1String("'"); - } - } - - if (error_message.isEmpty()) - error_message = lexer->errorMessage(); - - error_lineno = lexer->startLineNo(); - error_column = lexer->startColumnNo(); - - return false; - } - } - - return false; -} - - -bool loadQScript(Translator &translator, QIODevice &dev, ConversionData &cd) -{ - QTextStream ts(&dev); - QByteArray codecName; - if (!cd.m_codecForSource.isEmpty()) - codecName = cd.m_codecForSource; - else - codecName = translator.codecName(); // Just because it should be latin1 already - ts.setCodec(QTextCodec::codecForName(codecName)); - ts.setAutoDetectUnicode(true); - - QString code = ts.readAll(); - QScript::Lexer lexer; - lexer.setCode(code, /*lineNumber=*/1); - QScriptParser parser; - if (!parser.parse(&lexer, cd.m_sourceFileName, &translator)) { - qWarning("%s:%d: %s", qPrintable(cd.m_sourceFileName), parser.errorLineNumber(), - qPrintable(parser.errorMessage())); - return false; - } - - // Java uses UTF-16 internally and Jambi makes UTF-8 for tr() purposes of it. - translator.setCodecName("UTF-8"); - return true; -} - -bool saveQScript(const Translator &translator, QIODevice &dev, ConversionData &cd) -{ - Q_UNUSED(dev); - Q_UNUSED(translator); - cd.appendError(QLatin1String("Cannot save .js files")); - return false; -} - -int initQScript() -{ - Translator::FileFormat format; - format.extension = QLatin1String("js"); - format.fileType = Translator::FileFormat::SourceCode; - format.priority = 0; - format.description = QObject::tr("Qt Script source files"); - format.loader = &loadQScript; - format.saver = &saveQScript; - Translator::registerFileFormat(format); - return 1; -} - -Q_CONSTRUCTOR_FUNCTION(initQScript) - -QT_END_NAMESPACE -./ |