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28bf4b0b | 1 | /* |
2 | ** LCLint - annotation-assisted static program checker | |
3 | ** Copyright (C) 1994-2001 University of Virginia, | |
4 | ** Massachusetts Institute of Technology | |
5 | ** | |
6 | ** This program is free software; you can redistribute it and/or modify it | |
7 | ** under the terms of the GNU General Public License as published by the | |
8 | ** Free Software Foundation; either version 2 of the License, or (at your | |
9 | ** option) any later version. | |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, but | |
12 | ** WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ** General Public License for more details. | |
15 | ** | |
16 | ** The GNU General Public License is available from http://www.gnu.org/ or | |
17 | ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | ** MA 02111-1307, USA. | |
19 | ** | |
20 | ** For information on lclint: lclint-request@cs.virginia.edu | |
21 | ** To report a bug: lclint-bug@cs.virginia.edu | |
22 | ** For more information: http://lclint.cs.virginia.edu | |
23 | */ | |
24 | /* | |
25 | ** mttok.c - based on lltok.c | |
26 | */ | |
27 | ||
28 | # include "lclintMacros.nf" | |
29 | # include "basic.h" | |
30 | ||
31 | # include "mtgrammar.h" | |
32 | ||
33 | cstring | |
34 | mttok_unparse (mttok tok) | |
35 | { | |
36 | char *lit; | |
37 | ||
38 | switch (tok->tok) | |
39 | { | |
40 | case EOF: lit = "<EOF>"; break; | |
e26e911c | 41 | case MT_STATE: lit = "attribute"; break; |
28bf4b0b | 42 | case MT_GLOBAL: lit = "global"; break; |
43 | case MT_CONTEXT: lit = "context"; break; | |
44 | case MT_ONEOF: lit = "oneof"; break; | |
45 | case MT_AS: lit = "as"; break; | |
46 | case MT_END: lit = "end"; break; | |
47 | case MT_DEFAULTS: lit = "defaults"; break; | |
48 | case MT_DEFAULT: lit = "default"; break; | |
49 | case MT_REFERENCE: lit = "reference"; break; | |
50 | case MT_PARAMETER: lit = "parameter"; break; | |
51 | case MT_CLAUSE: lit = "clause"; break; | |
52 | case MT_ANNOTATIONS: lit = "annotations"; break; | |
53 | case MT_ARROW: lit = "==>"; break; | |
54 | case MT_MERGE: lit = "merge"; break; | |
55 | case MT_TRANSFERS: lit = "transfers"; break; | |
56 | case MT_PRECONDITIONS: lit = "preconditions"; break; | |
57 | case MT_POSTCONDITIONS: lit = "postconditions"; break; | |
58 | case MT_ERROR: lit = "error"; break; | |
59 | case MT_PLUS: lit = "+"; break; | |
60 | case MT_STAR: lit = "*"; break; | |
61 | case MT_LPAREN: lit = "("; break; | |
62 | case MT_RPAREN: lit = ")"; break; | |
63 | case MT_LBRACE: lit = "{"; break; | |
64 | case MT_RBRACE: lit = "}"; break; | |
65 | case MT_LBRACKET: lit = "["; break; | |
66 | case MT_RBRACKET: lit = "]"; break; | |
67 | case MT_COMMA: lit =","; break; | |
68 | case MT_BAR: lit = "|"; break; | |
69 | case MT_CHAR: lit = "char"; break; | |
70 | case MT_INT: lit = "int"; break; | |
71 | case MT_FLOAT: lit = "float"; break; | |
72 | case MT_DOUBLE: lit = "double"; break; | |
73 | case MT_VOID: lit = "void"; break; | |
74 | case MT_ANYTYPE: lit = "anytype"; break; | |
75 | case MT_INTEGRALTYPE: lit = "integraltype"; break; | |
76 | case MT_UNSIGNEDINTEGRALTYPE: lit = "unsignedintegraltype"; break; | |
77 | case MT_SIGNEDINTEGRALTYPE: lit = "signedintegraltype"; break; | |
78 | case MT_CONST: lit = "const"; break; | |
79 | case MT_VOLATILE: lit = "volatile"; break; | |
80 | ||
81 | case MT_IDENT: return (message ("identifier: <%s>", tok->text)); | |
82 | case MT_STRINGLIT: return (message ("literal: <%s>", tok->text)); | |
83 | case MT_BADTOK: lit = "<error token>"; break; | |
84 | default: | |
85 | DPRINTF (("Bad token: [%d]", tok->tok)); | |
86 | BADBRANCH; | |
87 | /* BADDEFAULT; */ | |
88 | } | |
89 | ||
90 | return cstring_makeLiteral (lit); | |
91 | } | |
92 | ||
93 | mttok | |
94 | mttok_create (int tok, cstring text, fileloc loc) | |
95 | { | |
96 | mttok l = (mttok) dmalloc (sizeof (*l)); | |
97 | ||
98 | l->tok = tok; | |
99 | l->text = text; | |
100 | l->loc = loc; | |
101 | ||
102 | return (l); | |
103 | } | |
104 | ||
105 | fileloc mttok_stealLoc (mttok t) | |
106 | { | |
107 | fileloc res = t->loc; | |
108 | t->loc = fileloc_undefined; | |
109 | return res; | |
110 | } | |
111 | ||
112 | void mttok_free (mttok t) | |
113 | { | |
114 | fileloc_free (t->loc); | |
115 | cstring_free (t->text); | |
116 | sfree (t); | |
117 | } | |
118 | ||
119 | bool mttok_isIdentifier (mttok t) | |
120 | { | |
121 | return ((t)->tok == MT_IDENT); | |
122 | } |