1 /*
2 
3     This file is part of the Maude 2 interpreter.
4 
5     Copyright 1997-2003 SRI International, Menlo Park, CA 94025, USA.
6 
7     This program is free software; you can redistribute it and/or modify
8     it under the terms of the GNU General Public License as published by
9     the Free Software Foundation; either version 2 of the License, or
10     (at your option) any later version.
11 
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15     GNU General Public License for more details.
16 
17     You should have received a copy of the GNU General Public License
18     along with this program; if not, write to the Free Software
19     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
20 
21 */
22 
23 //
24 //	Declarations for auxiliary functions needed by lexical analyzer.
25 //
26 void lexerIdMode();
27 void lexerTokenTreeMode(int terminatingTokens);
28 void lexerCmdMode();
29 void lexerOpMode();
30 void lexerInitialMode();
31 void lexerFileNameMode();
32 void lexerStringMode();
33 void lexerLatexMode();
34 bool includeFile(const string& directory, const string& fileName, bool silent, int lineNr);
35 bool handleEof();
36 void eatComment(bool firstNonWhite);
37 void cleanUpLexer();
38 void checkForPending();
39 
40 void lexBubble(int termination, int minLen);
41 void lexBubble(const Token& first, int termination, int minLen, int pCount = 0);
42 void lexContinueBubble(const Token& next, int termination, int minLen, int pCount = 0);
43 void lexSave(const Token& first);
44 void lexContinueSave(const Token& next);
45 
46 enum TERMINATION_TOKENS
47   {
48     BAR_COLON = 0x1,
49     BAR_COMMA = 0x2,
50     BAR_LEFT_BRACKET = 0x4,
51     BAR_EQUALS = 0x8,
52     BAR_ARROW2 = 0x10,
53     BAR_TO = 0x20,
54     BAR_IF = 0x40,
55     BAR_RIGHT_PAREN = 0x80,
56     BAR_OP_ATTRIBUTE = 0x100,
57     BAR_RIGHT_BRACKET = 0x200,
58 
59     END_STATEMENT = 0x40000000,
60     END_COMMAND = 0x80000000
61   };
62