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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _TOKEN_HXX
#define _TOKEN_HXX
#include "scanner.hxx"
#include <basic/sbdef.hxx>
#if defined( SHARED )
#define SbiTokenSHAREDTMPUNDEF
#undef SHARED
#endif
// The tokenizer is stand-alone, i. e. he can be used from everywhere.
// A BASIC-instance is necessary for error messages. Without BASIC the
// errors are only counted. The BASIC is also necessary when an advanced
// SBX-variable shall be used for recognition of data types etc.
enum SbiToken {
NIL = 0,
// tokens between 0x20 and 0x3F are literals:
LPAREN = '(', RPAREN = ')', COMMA = ',', DOT = '.', EXCLAM = '!',
HASH = '#', SEMICOLON = ';',
// commands:
FIRSTKWD = 0x40,
AS = FIRSTKWD, ALIAS, ASSIGN,
CALL, CASE, CLOSE, COMPARE, _CONST_,
DECLARE, DIM, DO,
// in the order of the data type enums!
DEFINT, DEFLNG, DEFSNG, DEFDBL, DEFCUR, DEFDATE, DEFSTR, DEFOBJ,
DEFERR, DEFBOOL, DEFVAR,
// in the order of the data type enums!
DATATYPE1,
TINTEGER = DATATYPE1,
TLONG, TSINGLE, TDOUBLE, TCURRENCY, TDATE, TSTRING, TOBJECT,
_ERROR_, TBOOLEAN, TVARIANT, TBYTE,
DATATYPE2 = TBYTE,
EACH, ELSE, ELSEIF, END, ERASE, EXIT,
FOR, FUNCTION,
GET, GLOBAL, GOSUB, GOTO,
IF, _IN_, INPUT,
LET, LINE, LINEINPUT, LOCAL, LOOP, LPRINT, LSET,
NAME, NEW, NEXT,
ON, OPEN, OPTION, ATTRIBUTE, IMPLEMENTS,
PRINT, PRIVATE, PROPERTY, PUBLIC,
REDIM, REM, RESUME, RETURN, RSET,
SELECT, SET, SHARED, STATIC, STEP, STOP, SUB,
TEXT, THEN, TO, TYPE, ENUM,
UNTIL,
WEND, WHILE, WITH, WRITE,
ENDENUM, ENDIF, ENDFUNC, ENDPROPERTY, ENDSUB, ENDTYPE, ENDSELECT, ENDWITH,
// end of all keywords
LASTKWD = ENDWITH,
// statement end
EOS, EOLN,
// operators:
EXPON, NEG, MUL,
DIV, IDIV, MOD, PLUS, MINUS,
EQ, NE, LT, GT, LE, GE,
NOT, AND, OR, XOR, EQV,
IMP, CAT, LIKE, IS, TYPEOF,
// miscellaneous:
FIRSTEXTRA,
NUMBER=FIRSTEXTRA, FIXSTRING, SYMBOL, _CDECL_, BYVAL, BYREF,
OUTPUT, RANDOM, APPEND, BINARY, ACCESS,
LOCK, READ, PRESERVE, BASE, ANY, LIB, _OPTIONAL_,
EXPLICIT, COMPATIBLE, CLASSMODULE, PARAMARRAY, WITHEVENTS,
// from here there are JavaScript-tokens (same enum so that same type)
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-operators
// _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
, VBASUPPORT
};
#ifdef SbiTokenSHAREDTMPUNDEF
#define SHARED
#undef SbiTokenSHAREDTMPUNDEF
#endif
// #i109076
class TokenLabelInfo
{
bool* m_pTokenCanBeLabelTab;
public:
TokenLabelInfo( void );
TokenLabelInfo( const TokenLabelInfo& rInfo )
: m_pTokenCanBeLabelTab( NULL )
{ (void)rInfo; }
~TokenLabelInfo();
bool canTokenBeLabel( SbiToken eTok )
{ return m_pTokenCanBeLabelTab[eTok]; }
};
class SbiTokenizer : public SbiScanner {
TokenLabelInfo m_aTokenLabelInfo;
protected:
SbiToken eCurTok;
SbiToken ePush;
sal_uInt16 nPLine, nPCol1, nPCol2; // pushback location
sal_Bool bEof;
sal_Bool bEos;
sal_Bool bKeywords; // sal_True, if keywords are parsed
sal_Bool bAs; // last keyword was AS
sal_Bool bErrorIsSymbol; // Handle Error token as Symbol, not keyword
public:
SbiTokenizer( const ::rtl::OUString&, StarBASIC* = NULL );
~SbiTokenizer();
inline sal_Bool IsEof() { return bEof; }
inline sal_Bool IsEos() { return bEos; }
void Push( SbiToken );
const ::rtl::OUString& Symbol( SbiToken ); // reconversion
SbiToken Peek(); // read the next token
SbiToken Next(); // read a token
sal_Bool MayBeLabel( sal_Bool= sal_False );
void Hilite( SbTextPortions& );
void Error( SbError c ) { GenError( c ); }
void Error( SbError, SbiToken );
void Error( SbError, const char* );
void Error( SbError, String );
void Keywords( sal_Bool b ) { bKeywords = b; }
static sal_Bool IsEoln( SbiToken t )
{ return sal_Bool( t == EOS || t == EOLN || t == REM ); }
static sal_Bool IsKwd( SbiToken t )
{ return sal_Bool( t >= FIRSTKWD && t <= LASTKWD ); }
static sal_Bool IsExtra( SbiToken t )
{ return sal_Bool( t >= FIRSTEXTRA ); }
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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