Mercurial > hg > index.cgi

annotate lwcc/symbol.c @ 540:98d68c27f610

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added tag lwtools-4.20 for changeset 0b0f4d5339f9
author William Astle <lost@l-w.ca>
date Wed, 17 Aug 2022 16:50:53 -0600
parents 54f213c8fb81
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
296
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
1 /*
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
2 lwcc/symbol.c
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
3
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
4 Copyright © 2013 William Astle
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
5
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
6 This file is part of LWTOOLS.
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
7
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
8 LWTOOLS is free software: you can redistribute it and/or modify it under the
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
9 terms of the GNU General Public License as published by the Free Software
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
10 Foundation, either version 3 of the License, or (at your option) any later
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
11 version.
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
12
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
13 This program is distributed in the hope that it will be useful, but WITHOUT
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
16 more details.
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
17
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
18 You should have received a copy of the GNU General Public License along with
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
19 this program. If not, see <http://www.gnu.org/licenses/>.
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
20 */
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
21
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
22 #include <string.h>
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
23
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
24 #include <lw_alloc.h>
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
25 #include <lw_string.h>
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
26
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
27 #include "cpp.h"
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
28 #include "symbol.h"
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
29 #include "token.h"
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
30
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
31 void symbol_free(struct symtab_e *s)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
32 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
33 int i;
299
856caf91ffaa Added token list structure and switched some stuff to use it
William Astle <lost@l-w.ca>
parents: 296
diff changeset
34
296
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
35 lw_free(s -> name);
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
36
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
37 for (i = 0; i < s -> nargs; i++)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
38 lw_free(s -> params[i]);
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
39 lw_free(s -> params);
299
856caf91ffaa Added token list structure and switched some stuff to use it
William Astle <lost@l-w.ca>
parents: 296
diff changeset
40 token_list_destroy(s -> tl);
296
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
41 }
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
42
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
43 struct symtab_e *symtab_find(struct preproc_info *pp, char *name)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
44 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
45 struct symtab_e *s;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
46
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
47 for (s = pp -> sh; s; s = s -> next)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
48 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
49 if (strcmp(s -> name, name) == 0)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
50 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
51 return s;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
52 }
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
53 }
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
54 return NULL;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
55 }
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
56
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
57 void symtab_undef(struct preproc_info *pp, char *name)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
58 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
59 struct symtab_e *s, **p;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
60
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
61 p = &(pp -> sh);
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
62 for (s = pp -> sh; s; s = s -> next)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
63 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
64 if (strcmp(s -> name, name) == 0)
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
65 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
66 (*p) -> next = s -> next;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
67 symbol_free(s);
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
68 return;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
69 }
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
70 p = &((*p) -> next);
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
71 }
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
72 }
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
73
299
856caf91ffaa Added token list structure and switched some stuff to use it
William Astle <lost@l-w.ca>
parents: 296
diff changeset
74 void symtab_define(struct preproc_info *pp, char *name, struct token_list *def, int nargs, char **params, int vargs)
296
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
75 {
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
76 struct symtab_e *s;
305
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
77 int i;
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
78
296
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
79 s = lw_alloc(sizeof(struct symtab_e));
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
80 s -> name = lw_strdup(name);
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
81 s -> tl = def;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
82 s -> nargs = nargs;
305
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
83 s -> params = NULL;
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
84 if (params)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
85 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
86 s -> params = lw_alloc(sizeof(char *) * nargs);
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
87 for (i = 0; i < nargs; i++)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
88 s -> params[i] = lw_strdup(params[i]);
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
89 }
296
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
90 s -> vargs = vargs;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
91 s -> next = pp -> sh;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
92 pp -> sh = s;
83fcc1ed6ad6 Checkpoint lwcc development
William Astle <lost@l-w.ca>
parents:
diff changeset
93 }
305
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
94
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
95 void symtab_dump(struct preproc_info *pp)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
96 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
97 struct symtab_e *s;
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
98 struct token *t;
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
99 int i;
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
100
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
101 for (s = pp -> sh; s; s = s -> next)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
102 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
103 printf("%s", s -> name);
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
104 if (s -> nargs >= 0)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
105 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
106 printf("(");
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
107 for (i = 0; i < s -> nargs; i++)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
108 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
109 if (i)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
110 printf(",");
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
111 printf("%s", s -> params[i]);
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
112 }
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
113 if (s -> vargs)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
114 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
115 if (s -> nargs)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
116 printf(",");
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
117 printf("...");
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
118 }
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
119 printf(")");
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
120 }
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
121 printf(" => ");
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
122 if (s -> tl)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
123 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
124 for (t = s -> tl -> head; t; t = t -> next)
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
125 {
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
126 token_print(t, stdout);
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
127 }
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
128 }
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
129 printf("\n");
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
130 }
54f213c8fb81 Various bugfixes and output tuning
William Astle <lost@l-w.ca>
parents: 299
diff changeset
131 }