/[MITgcm]/MITgcm/tools/cyrus-imapd-makedepend/cppsetup.c
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Contents of /MITgcm/tools/cyrus-imapd-makedepend/cppsetup.c

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Revision 1.1 - (show annotations) (download)
Wed Feb 25 18:19:54 2004 UTC (16 years, 4 months ago) by edhill
Branch: MAIN
CVS Tags: checkpoint64y, checkpoint64x, checkpoint58l_post, checkpoint64z, checkpoint57t_post, checkpoint64q, checkpoint64p, checkpoint64s, checkpoint64r, checkpoint64u, checkpoint64t, checkpoint64w, checkpoint64v, checkpoint64i, checkpoint64h, checkpoint64k, checkpoint64j, checkpoint64m, checkpoint64l, checkpoint64o, checkpoint64n, checkpoint64a, checkpoint57o_post, checkpoint64c, checkpoint64b, checkpoint64e, checkpoint64d, checkpoint64g, checkpoint64f, checkpoint52l_pre, checkpoint58e_post, mitgcm_mapl_00, checkpoint52n_post, checkpoint53d_post, checkpoint58u_post, checkpoint58w_post, checkpoint54a_pre, checkpoint57m_post, checkpoint55c_post, checkpoint54e_post, checkpoint57s_post, checkpoint54a_post, checkpoint63p, checkpoint63q, checkpoint63r, checkpoint63s, checkpoint63l, checkpoint63m, checkpoint63n, checkpoint63o, checkpoint63h, checkpoint63i, checkpoint63j, checkpoint63k, checkpoint63d, checkpoint63e, checkpoint63f, checkpoint63g, checkpoint53c_post, checkpoint63a, checkpoint63b, checkpoint63c, checkpoint57k_post, checkpoint55d_pre, checkpoint57d_post, checkpoint57g_post, checkpoint64, checkpoint65, checkpoint60, checkpoint61, checkpoint62, checkpoint63, checkpoint57b_post, checkpoint57c_pre, checkpoint58r_post, checkpoint55j_post, checkpoint56b_post, checkpoint57i_post, checkpoint57y_post, checkpoint57e_post, checkpoint66g, checkpoint66f, checkpoint66e, checkpoint66d, checkpoint66c, checkpoint66b, checkpoint66a, checkpoint66o, checkpoint66n, checkpoint66m, checkpoint66l, checkpoint66k, checkpoint66j, checkpoint66i, checkpoint66h, checkpoint52l_post, checkpoint55h_post, checkpoint58n_post, checkpoint53b_post, checkpoint58x_post, checkpoint57g_pre, checkpoint54b_post, checkpoint53b_pre, checkpoint55b_post, checkpoint58t_post, checkpoint58h_post, checkpoint65z, checkpoint65x, checkpoint65y, checkpoint54d_post, checkpoint65r, checkpoint65s, checkpoint65p, checkpoint65q, checkpoint65v, checkpoint65w, checkpoint65t, checkpoint65u, checkpoint65j, checkpoint65k, checkpoint65h, checkpoint65i, checkpoint65n, checkpoint65o, checkpoint65l, checkpoint65m, checkpoint65b, checkpoint65c, checkpoint65a, checkpoint65f, checkpoint65g, checkpoint65d, checkpoint65e, checkpoint56c_post, checkpoint52m_post, checkpoint57y_pre, checkpoint55, checkpoint53a_post, checkpoint57f_pre, checkpoint57a_post, checkpoint54, checkpoint58q_post, checkpoint54f_post, checkpoint57v_post, checkpoint59q, checkpoint59p, checkpoint55g_post, checkpoint59r, checkpoint58j_post, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint55f_post, checkpoint59c, checkpoint59b, checkpoint59m, checkpoint59l, checkpoint59o, checkpoint59n, checkpoint59i, checkpoint59h, checkpoint59k, checkpoint59j, checkpoint57r_post, checkpoint59, checkpoint58, checkpoint57a_pre, checkpoint55i_post, checkpoint57, checkpoint56, checkpoint53, eckpoint57e_pre, checkpoint57h_done, checkpoint58f_post, checkpoint53g_post, checkpoint57x_post, checkpoint57n_post, checkpoint58d_post, checkpoint58c_post, checkpoint57w_post, checkpoint57p_post, checkpint57u_post, checkpoint57f_post, checkpoint58a_post, checkpoint58i_post, checkpoint57q_post, checkpoint58g_post, hrcube5, checkpoint58o_post, checkpoint57z_post, checkpoint62c, checkpoint62b, checkpoint62a, checkpoint62g, checkpoint62f, checkpoint62e, checkpoint62d, checkpoint62k, checkpoint62j, checkpoint62i, checkpoint62h, checkpoint62o, checkpoint62n, checkpoint62m, checkpoint62l, checkpoint62s, checkpoint62r, checkpoint62q, checkpoint62p, checkpoint62w, checkpoint62v, checkpoint62u, checkpoint62t, checkpoint57c_post, checkpoint62z, checkpoint62y, checkpoint62x, checkpoint58y_post, checkpoint55e_post, checkpoint58k_post, checkpoint58v_post, checkpoint53f_post, checkpoint55a_post, checkpoint53d_pre, checkpoint54c_post, checkpoint58s_post, checkpoint61f, checkpoint61g, checkpoint61d, checkpoint61e, checkpoint61b, checkpoint61c, checkpoint58p_post, checkpoint61a, checkpoint61n, checkpoint61o, checkpoint61l, checkpoint61m, checkpoint61j, checkpoint61k, checkpoint61h, checkpoint61i, checkpoint61v, checkpoint61w, checkpoint61t, checkpoint61u, checkpoint61r, checkpoint61s, checkpoint61p, checkpoint61q, checkpoint57j_post, checkpoint61z, checkpoint61x, checkpoint61y, checkpoint58b_post, checkpoint57h_pre, checkpoint58m_post, checkpoint57l_post, checkpoint57h_post, checkpoint56a_post, checkpoint55d_post, HEAD
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 o initial check-in of a better makedepend implementation for AJA

1 /* $XConsortium: cppsetup.c,v 1.13 94/04/17 20:10:32 gildea Exp $ */
2
3 /*
4 * Copyright (c) 1998-2003 Carnegie Mellon University. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 *
18 * 3. The name "Carnegie Mellon University" must not be used to
19 * endorse or promote products derived from this software without
20 * prior written permission. For permission or any other legal
21 * details, please contact
22 * Office of Technology Transfer
23 * Carnegie Mellon University
24 * 5000 Forbes Avenue
25 * Pittsburgh, PA 15213-3890
26 * (412) 268-4387, fax: (412) 268-7395
27 * tech-transfer@andrew.cmu.edu
28 *
29 * 4. Redistributions of any form whatsoever must retain the following
30 * acknowledgment:
31 * "This product includes software developed by Computing Services
32 * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
33 *
34 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
35 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
36 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
37 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
38 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
39 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
40 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
41 *
42 */
43 /*
44
45 Copyright (c) 1993, 1994 X Consortium
46
47 Permission is hereby granted, free of charge, to any person obtaining a copy
48 of this software and associated documentation files (the "Software"), to deal
49 in the Software without restriction, including without limitation the rights
50 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
51 copies of the Software, and to permit persons to whom the Software is
52 furnished to do so, subject to the following conditions:
53
54 The above copyright notice and this permission notice shall be included in
55 all copies or substantial portions of the Software.
56
57 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
58 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
59 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
60 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
61 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
62 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
63
64 Except as contained in this notice, the name of the X Consortium shall not be
65 used in advertising or otherwise to promote the sale, use or other dealings
66 in this Software without prior written authorization from the X Consortium.
67
68 */
69
70 #include "def.h"
71
72 #ifdef CPP
73 /*
74 * This file is strictly for the sake of cpy.y and yylex.c (if
75 * you indeed have the source for cpp).
76 */
77 #define IB 1
78 #define SB 2
79 #define NB 4
80 #define CB 8
81 #define QB 16
82 #define WB 32
83 #define SALT '#'
84 #if pdp11 | vax | ns16000 | mc68000 | ibm032
85 #define COFF 128
86 #else
87 #define COFF 0
88 #endif
89 /*
90 * These variables used by cpy.y and yylex.c
91 */
92 extern char *outp, *inp, *newp, *pend;
93 extern char *ptrtab;
94 extern char fastab[];
95 extern char slotab[];
96
97 /*
98 * cppsetup
99 */
100 struct filepointer *currentfile;
101 struct inclist *currentinc;
102
103 cppsetup(line, filep, inc)
104 register char *line;
105 register struct filepointer *filep;
106 register struct inclist *inc;
107 {
108 register char *p, savec;
109 static boolean setupdone = FALSE;
110 boolean value;
111
112 if (!setupdone) {
113 cpp_varsetup();
114 setupdone = TRUE;
115 }
116
117 currentfile = filep;
118 currentinc = inc;
119 inp = newp = line;
120 for (p=newp; *p; p++)
121 ;
122
123 /*
124 * put a newline back on the end, and set up pend, etc.
125 */
126 *p++ = '\n';
127 savec = *p;
128 *p = '\0';
129 pend = p;
130
131 ptrtab = slotab+COFF;
132 *--inp = SALT;
133 outp=inp;
134 value = yyparse();
135 *p = savec;
136 return(value);
137 }
138
139 struct symtab *lookup(symbol)
140 char *symbol;
141 {
142 static struct symtab undefined;
143 struct symtab *sp;
144
145 sp = isdefined(symbol, currentinc, NULL);
146 if (sp == NULL) {
147 sp = &undefined;
148 sp->s_value = NULL;
149 }
150 return (sp);
151 }
152
153 pperror(tag, x0,x1,x2,x3,x4)
154 int tag,x0,x1,x2,x3,x4;
155 {
156 warning("\"%s\", line %d: ", currentinc->i_file, currentfile->f_line);
157 warning(x0,x1,x2,x3,x4);
158 }
159
160
161 yyerror(s)
162 register char *s;
163 {
164 fatalerr("Fatal error: %s\n", s);
165 }
166 #else /* not CPP */
167
168 #include "ifparser.h"
169 struct _parse_data {
170 struct filepointer *filep;
171 struct inclist *inc;
172 const char *line;
173 };
174
175 static const char *
176 _my_if_errors (ip, cp, expecting)
177 IfParser *ip;
178 const char *cp;
179 const char *expecting;
180 {
181 struct _parse_data *pd = (struct _parse_data *) ip->data;
182 int lineno = pd->filep->f_line;
183 char *filename = pd->inc->i_file;
184 char prefix[300];
185 int prefixlen;
186 int i;
187
188 sprintf (prefix, "\"%s\":%d", filename, lineno);
189 prefixlen = strlen(prefix);
190 fprintf (stderr, "%s: %s", prefix, pd->line);
191 i = cp - pd->line;
192 if (i > 0 && pd->line[i-1] != '\n') {
193 putc ('\n', stderr);
194 }
195 for (i += prefixlen + 3; i > 0; i--) {
196 putc (' ', stderr);
197 }
198 fprintf (stderr, "^--- expecting %s\n", expecting);
199 return NULL;
200 }
201
202
203 #define MAXNAMELEN 256
204
205 static struct symtab *
206 _lookup_variable (ip, var, len)
207 IfParser *ip;
208 const char *var;
209 int len;
210 {
211 char tmpbuf[MAXNAMELEN + 1];
212 struct _parse_data *pd = (struct _parse_data *) ip->data;
213
214 if (len > MAXNAMELEN)
215 return 0;
216
217 strncpy (tmpbuf, var, len);
218 tmpbuf[len] = '\0';
219 return isdefined (tmpbuf, pd->inc, NULL);
220 }
221
222
223 static int
224 _my_eval_defined (ip, var, len)
225 IfParser *ip;
226 const char *var;
227 int len;
228 {
229 if (_lookup_variable (ip, var, len))
230 return 1;
231 else
232 return 0;
233 }
234
235 #define isvarfirstletter(ccc) (isalpha(ccc) || (ccc) == '_')
236
237 static int
238 _my_eval_variable (ip, var, len)
239 IfParser *ip;
240 const char *var;
241 int len;
242 {
243 struct symtab *s;
244
245 s = _lookup_variable (ip, var, len);
246 if (!s)
247 return 0;
248 do {
249 var = s->s_value;
250 if (!isvarfirstletter(*var))
251 break;
252 s = _lookup_variable (ip, var, strlen(var));
253 } while (s);
254
255 return atoi(var);
256 }
257
258
259 cppsetup(line, filep, inc)
260 register char *line;
261 register struct filepointer *filep;
262 register struct inclist *inc;
263 {
264 IfParser ip;
265 struct _parse_data pd;
266 int val = 0;
267
268 pd.filep = filep;
269 pd.inc = inc;
270 pd.line = line;
271 ip.funcs.handle_error = _my_if_errors;
272 ip.funcs.eval_defined = _my_eval_defined;
273 ip.funcs.eval_variable = _my_eval_variable;
274 ip.data = (char *) &pd;
275
276 (void) ParseIfExpression (&ip, line, &val);
277 if (val)
278 return IF;
279 else
280 return IFFALSE;
281 }
282 #endif /* CPP */
283

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