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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_BASIC_SOURCE_INC_TOKEN_HXX
21 : #define INCLUDED_BASIC_SOURCE_INC_TOKEN_HXX
22 :
23 : #include "scanner.hxx"
24 : #include <basic/sbdef.hxx>
25 :
26 : #if defined( SHARED )
27 : #define SbiTokenSHAREDTMPUNDEF
28 : #undef SHARED
29 : #endif
30 :
31 : #if defined( EXPLICIT )
32 : #undef EXPLICIT
33 : #endif
34 :
35 : // The tokenizer is stand-alone, i. e. he can be used from everywhere.
36 : // A BASIC-instance is necessary for error messages. Without BASIC the
37 : // errors are only counted. The BASIC is also necessary when an advanced
38 : // SBX-variable shall be used for recognition of data types etc.
39 :
40 :
41 : enum SbiToken {
42 : NIL = 0,
43 : // tokens between 0x20 and 0x3F are literals:
44 : LPAREN = '(', RPAREN = ')', COMMA = ',', DOT = '.', EXCLAM = '!',
45 : HASH = '#', SEMICOLON = ';',
46 :
47 : // commands:
48 : FIRSTKWD = 0x40,
49 : AS = FIRSTKWD, ALIAS, ASSIGN,
50 : CALL, CASE, CLOSE, COMPARE, _CONST_,
51 : DECLARE, DIM, DO,
52 :
53 : // in the order of the data type enums!
54 : DEFINT, DEFLNG, DEFSNG, DEFDBL, DEFCUR, DEFDATE, DEFSTR, DEFOBJ,
55 : DEFERR, DEFBOOL, DEFVAR,
56 : // in the order of the data type enums!
57 : DATATYPE1,
58 : TINTEGER = DATATYPE1,
59 : TLONG, TSINGLE, TDOUBLE, TCURRENCY, TDATE, TSTRING, TOBJECT,
60 : _ERROR_, TBOOLEAN, TVARIANT, TBYTE,
61 : DATATYPE2 = TBYTE,
62 :
63 : EACH, ELSE, ELSEIF, END, ERASE, EXIT,
64 : FOR, FUNCTION,
65 : GET, GLOBAL, GOSUB, GOTO,
66 : IF, _IN_, INPUT,
67 : LET, LINE, LINEINPUT, LOCAL, LOOP, LPRINT, LSET,
68 : NAME, NEW, NEXT,
69 : ON, OPEN, OPTION, ATTRIBUTE, IMPLEMENTS,
70 : PRINT, PRIVATE, PROPERTY, PUBLIC,
71 : REDIM, REM, RESUME, RETURN, RSET,
72 : SELECT, SET, SHARED, STATIC, STEP, STOP, SUB,
73 : TEXT, THEN, TO, TYPE, ENUM,
74 : UNTIL,
75 : WEND, WHILE, WITH, WRITE,
76 : ENDENUM, ENDIF, ENDFUNC, ENDPROPERTY, ENDSUB, ENDTYPE, ENDSELECT, ENDWITH,
77 : // end of all keywords
78 : LASTKWD = ENDWITH,
79 : // statement end
80 : EOS, EOLN,
81 : // operators:
82 : EXPON, NEG, MUL,
83 : DIV, IDIV, MOD, PLUS, MINUS,
84 : EQ, NE, LT, GT, LE, GE,
85 : NOT, AND, OR, XOR, EQV,
86 : IMP, CAT, LIKE, IS, TYPEOF,
87 : // miscellaneous:
88 : FIRSTEXTRA,
89 : NUMBER=FIRSTEXTRA, FIXSTRING, SYMBOL, _CDECL_, BYVAL, BYREF,
90 : OUTPUT, RANDOM, APPEND, BINARY, ACCESS,
91 : LOCK, READ, PRESERVE, BASE, ANY, LIB, _OPTIONAL_,
92 : BASIC_EXPLICIT, COMPATIBLE, CLASSMODULE, PARAMARRAY, WITHEVENTS,
93 :
94 : // from here there are JavaScript-tokens (same enum so that same type)
95 : FIRSTJAVA,
96 : JS_BREAK=FIRSTJAVA, JS_CONTINUE, JS_FOR, JS_FUNCTION, JS_IF, JS_NEW,
97 : JS_RETURN, JS_THIS, JS_VAR, JS_WHILE, JS_WITH,
98 :
99 : // JavaScript-operators
100 : // _ASS_ = Assignment
101 : JS_COMMA, JS_ASSIGNMENT, JS_ASS_PLUS, JS_ASS_MINUS, JS_ASS_MUL,
102 : JS_ASS_DIV, JS_ASS_MOD, JS_ASS_LSHIFT, JS_ASS_RSHIFT, JS_ASS_RSHIFT_Z,
103 : JS_ASS_AND, JS_ASS_XOR, JS_ASS_OR,
104 : JS_COND_QUEST, JS_COND_SEL, JS_LOG_OR, JS_LOG_AND, JS_BIT_OR,
105 : JS_BIT_XOR, JS_BIT_AND, JS_EQ, JS_NE, JS_LT, JS_LE,
106 : JS_GT, JS_GE, JS_LSHIFT, JS_RSHIFT, JS_RSHIFT_Z,
107 : JS_PLUS, JS_MINUS, JS_MUL, JS_DIV, JS_MOD, JS_LOG_NOT, JS_BIT_NOT,
108 : JS_INC, JS_DEC, JS_LPAREN, JS_RPAREN, JS_LINDEX, JS_RINDEX
109 : , VBASUPPORT
110 : };
111 :
112 : #ifdef SbiTokenSHAREDTMPUNDEF
113 : #define SHARED
114 : #undef SbiTokenSHAREDTMPUNDEF
115 : #endif
116 :
117 : // #i109076
118 : class TokenLabelInfo
119 : {
120 : bool* m_pTokenCanBeLabelTab;
121 :
122 : public:
123 : TokenLabelInfo( void );
124 0 : TokenLabelInfo( const TokenLabelInfo& rInfo )
125 0 : : m_pTokenCanBeLabelTab( NULL )
126 0 : { (void)rInfo; }
127 : ~TokenLabelInfo();
128 :
129 0 : bool canTokenBeLabel( SbiToken eTok )
130 0 : { return m_pTokenCanBeLabelTab[eTok]; }
131 : };
132 :
133 0 : class SbiTokenizer : public SbiScanner {
134 : TokenLabelInfo m_aTokenLabelInfo;
135 :
136 : protected:
137 : SbiToken eCurTok;
138 : SbiToken ePush;
139 : sal_uInt16 nPLine, nPCol1, nPCol2; // pushback location
140 : bool bEof;
141 : bool bEos;
142 : bool bKeywords; // true, if keywords are parsed
143 : bool bAs; // last keyword was AS
144 : bool bErrorIsSymbol; // Handle Error token as Symbol, not keyword
145 : public:
146 : SbiTokenizer( const OUString&, StarBASIC* = NULL );
147 : ~SbiTokenizer();
148 :
149 0 : inline bool IsEof() { return bEof; }
150 0 : inline bool IsEos() { return bEos; }
151 :
152 : void Push( SbiToken );
153 : const OUString& Symbol( SbiToken ); // reconversion
154 :
155 : SbiToken Peek(); // read the next token
156 : SbiToken Next(); // read a token
157 : bool MayBeLabel( bool= false );
158 :
159 0 : void Error( SbError c ) { GenError( c ); }
160 : void Error( SbError, SbiToken );
161 : void Error( SbError, const char* );
162 : void Error( SbError, const OUString &);
163 :
164 0 : static bool IsEoln( SbiToken t )
165 0 : { return t == EOS || t == EOLN || t == REM; }
166 0 : static bool IsKwd( SbiToken t )
167 0 : { return t >= FIRSTKWD && t <= LASTKWD; }
168 0 : static bool IsExtra( SbiToken t )
169 0 : { return t >= FIRSTEXTRA; }
170 : static OUString GetKeywordCase( const OUString& sKeyword );
171 : };
172 :
173 :
174 : #endif
175 :
176 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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