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/*************************************************************************
*
* $RCSfile: token.hxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 16:12:11 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _TOKEN_HXX
#define _TOKEN_HXX
#ifndef _SCANNER_HXX
#include "scanner.hxx"
#endif
#ifndef _SBDEF_HXX
#include "sbdef.hxx"
#endif
#if defined( SHARED )
#define SbiTokenSHAREDTMPUNDEF
#undef SHARED
#endif
// Der Tokenizer ist stand-alone, d.h. er kann von ueberallher verwendet
// werden. Eine BASIC-Instanz ist fuer Fehlermeldungen notwendig. Ohne
// BASIC werden die Fehler nur gezaehlt. Auch ist Basic notwendig, wenn
// eine erweiterte SBX-Variable zur Erkennung von Datentypen etc. verwendet
// werden soll.
enum SbiToken {
NIL = 0,
// Token zwischen 0x20 und 0x3F sind Literale:
LPAREN = '(', RPAREN = ')', COMMA = ',', DOT = '.', EXCLAM = '!',
HASH = '#', SEMICOLON = ';',
// Anweisungen:
FIRSTKWD = 0x40,
AS = FIRSTKWD, ALIAS, ASSIGN,
CALL, CASE, CLOSE, COMPARE, _CONST_,
DECLARE, DIM, DO,
// in der Reihenfolge der Datentyp-Enums!
DEFINT, DEFLNG, DEFSNG, DEFDBL, DEFCUR, DEFDATE, DEFSTR, DEFOBJ,
DEFERR, DEFBOOL, DEFVAR,
// in der Reihenfolge der Datentyp-Enums!
DATATYPE1,
TINTEGER = DATATYPE1,
TLONG, TSINGLE, TDOUBLE, TCURRENCY, TDATE, TSTRING, TOBJECT,
_ERROR_, TBOOLEAN, TVARIANT,
DATATYPE2 = TVARIANT,
EACH, ELSE, ELSEIF, END, ERASE, EXIT,
FOR, FUNCTION,
GLOBAL, GOSUB, GOTO,
IF, _IN_, INPUT,
LET, LINE, LINEINPUT, LOCAL, LOOP, LPRINT, LSET,
NAME, NEW, NEXT,
ON, OPEN, OPTION,
PRINT, PRIVATE, PUBLIC,
REDIM, REM, RESUME, RETURN, RSET,
SELECT, SET, SHARED, STATIC, STEP, STOP, SUB,
TEXT, THEN, TO, TYPE,
UNTIL,
WEND, WHILE, WITH, WRITE,
ENDIF, ENDFUNC, ENDSUB, ENDTYPE, ENDSELECT, ENDWITH,
// Ende aller Keywords
LASTKWD = ENDWITH,
// Statement-Ende
EOS, EOLN,
// Operatoren:
EXPON, NEG, MUL,
DIV, IDIV, MOD, PLUS, MINUS,
EQ, NE, LT, GT, LE, GE,
NOT, AND, OR, XOR, EQV,
IMP, CAT, LIKE, IS,
// Sonstiges:
FIRSTEXTRA,
NUMBER=FIRSTEXTRA, FIXSTRING, SYMBOL, _CDECL_, BYVAL,
OUTPUT, RANDOM, APPEND, BINARY, ACCESS,
LOCK, READ, PRESERVE, BASE, ANY, LIB, _OPTIONAL_,
EXPLICIT,
// Ab hier kommen JavaScript-Tokens (gleiches enum, damit gleicher Typ)
FIRSTJAVA,
JS_BREAK=FIRSTJAVA, JS_CONTINUE, JS_FOR, JS_FUNCTION, JS_IF, JS_NEW,
JS_RETURN, JS_THIS, JS_VAR, JS_WHILE, JS_WITH,
// JavaScript-Operatoren
// _ASS_ = Assignment
JS_COMMA, JS_ASSIGNMENT, JS_ASS_PLUS, JS_ASS_MINUS, JS_ASS_MUL,
JS_ASS_DIV, JS_ASS_MOD, JS_ASS_LSHIFT, JS_ASS_RSHIFT, JS_ASS_RSHIFT_Z,
JS_ASS_AND, JS_ASS_XOR, JS_ASS_OR,
JS_COND_QUEST, JS_COND_SEL, JS_LOG_OR, JS_LOG_AND, JS_BIT_OR,
JS_BIT_XOR, JS_BIT_AND, JS_EQ, JS_NE, JS_LT, JS_LE,
JS_GT, JS_GE, JS_LSHIFT, JS_RSHIFT, JS_RSHIFT_Z,
JS_PLUS, JS_MINUS, JS_MUL, JS_DIV, JS_MOD, JS_LOG_NOT, JS_BIT_NOT,
JS_INC, JS_DEC, JS_LPAREN, JS_RPAREN, JS_LINDEX, JS_RINDEX
};
#ifdef SbiTokenSHAREDTMPUNDEF
#define SHARED
#undef SbiTokenSHAREDTMPUNDEF
#endif
class SbiTokenizer : public SbiScanner {
protected:
SbiToken eCurTok; // aktuelles Token
SbiToken ePush; // Pushback-Token
USHORT nPLine, nPCol1, nPCol2; // Pushback-Location
BOOL bEof; // TRUE bei Dateiende
BOOL bEos; // TRUE bei Statement-Ende
BOOL bKeywords; // TRUE, falls Keywords geparst werden
BOOL bAs; // letztes Keyword war AS
public:
SbiTokenizer( const String&, StarBASIC* = NULL );
~SbiTokenizer();
inline BOOL IsEof() { return bEof; }
inline BOOL IsEos() { return bEos; }
void Push( SbiToken ); // Pushback eines Tokens
const String& Symbol( SbiToken );// Rueckumwandlung
SbiToken Peek(); // das naechste Token lesen
SbiToken Next(); // Ein Token lesen
BOOL MayBeLabel( BOOL= FALSE ); // Kann es ein Label sein?
void Hilite( SbTextPortions& ); // Syntax-Highlighting
void Error( SbError c ) { GenError( c ); }
void Error( SbError, SbiToken );
void Error( SbError, const char* );
void Error( SbError, String );
void Keywords( BOOL b ) { bKeywords = b; }
static BOOL IsEoln( SbiToken t )
{ return BOOL( t == EOS || t == EOLN || t == REM ); }
static BOOL IsKwd( SbiToken t )
{ return BOOL( t >= FIRSTKWD && t <= LASTKWD ); }
static BOOL IsExtra( SbiToken t )
{ return BOOL( t >= FIRSTEXTRA ); }
};
#endif
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