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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include "scanner.hxx"
// 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_, PTRSAFE,
BASIC_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
};
class SbiTokenizer : public SbiScanner {
protected:
SbiToken eCurTok;
SbiToken ePush;
sal_uInt16 nPLine, nPCol1, nPCol2; // pushback location
bool bEof;
bool bEos;
bool bAs; // last keyword was AS
bool bErrorIsSymbol; // Handle Error token as Symbol, not keyword
public:
SbiTokenizer( const OUString&, StarBASIC* = nullptr );
bool IsEof() const { return bEof; }
bool IsEos() const { return bEos; }
void Push( SbiToken );
const OUString& Symbol( SbiToken ); // reconversion
SbiToken Peek(); // read the next token
SbiToken Next(); // read a token
bool MayBeLabel( bool= false );
void Error( ErrCode c ) { GenError( c ); }
void Error( ErrCode, SbiToken );
void Error( ErrCode, const OUString &);
static bool IsEoln( SbiToken t )
{ return t == EOS || t == EOLN || t == REM; }
static bool IsKwd( SbiToken t )
{ return t >= FIRSTKWD && t <= LASTKWD; }
static bool IsExtra( SbiToken t )
{ return t >= FIRSTEXTRA; }
static OUString GetKeywordCase( const OUString& sKeyword );
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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