Mercurial > projects > ldc
annotate dmd/mars.c @ 1651:cb960b882ca3 default tip
bindings were moved to dsource.org/projects/bindings/
author | Moritz Warning <moritzwarning@web.de> |
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date | Thu, 20 May 2010 20:05:03 +0200 |
parents | 9bf06e02070b |
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rev | line source |
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Merged DMD 1.042.
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1 |
159 | 2 // Compiler implementation of the D programming language |
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3 // Copyright (c) 1999-2010 by Digital Mars |
159 | 4 // All Rights Reserved |
5 // written by Walter Bright | |
6 // http://www.digitalmars.com | |
7 // License for redistribution is by either the Artistic License | |
8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
9 // See the included readme.txt for details. | |
10 | |
11 #include <stdio.h> | |
12 #include <stdlib.h> | |
13 #include <ctype.h> | |
14 #include <assert.h> | |
15 #include <limits.h> | |
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16 #if IN_LLVM |
159 | 17 #include <string> |
18 #include <cstdarg> | |
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19 #endif |
159 | 20 |
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21 #if POSIX |
159 | 22 #include <errno.h> |
432 | 23 #elif _WIN32 |
24 #include <windows.h> | |
159 | 25 #endif |
26 | |
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27 #include "rmem.h" |
159 | 28 #include "root.h" |
29 | |
30 #include "mars.h" | |
31 #include "module.h" | |
32 #include "mtype.h" | |
33 #include "id.h" | |
34 #include "cond.h" | |
35 #include "expression.h" | |
36 #include "lexer.h" | |
1587 | 37 #include "json.h" |
159 | 38 |
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39 #if IN_LLVM |
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40 #include "gen/revisions.h" |
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41 #endif |
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42 |
159 | 43 Global global; |
44 | |
45 Global::Global() | |
46 { | |
47 mars_ext = "d"; | |
48 sym_ext = "d"; | |
49 hdr_ext = "di"; | |
50 doc_ext = "html"; | |
51 ddoc_ext = "ddoc"; | |
1587 | 52 json_ext = "json"; |
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53 map_ext = "map"; |
159 | 54 |
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55 // LDC |
159 | 56 ll_ext = "ll"; |
57 bc_ext = "bc"; | |
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58 s_ext = "s"; |
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59 obj_ext = "o"; |
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60 #if _WIN32 |
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61 obj_ext_alt = "obj"; |
159 | 62 #endif |
63 | |
1640 | 64 copyright = "Copyright (c) 1999-2010 by Digital Mars and Tomas Lindquist Olsen"; |
159 | 65 written = "written by Walter Bright and Tomas Lindquist Olsen"; |
1640 | 66 version = "v1.057"; |
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67 ldc_version = LDC_REV; |
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68 llvm_version = LLVM_REV_STR; |
159 | 69 global.structalign = 8; |
70 | |
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71 // This should only be used as a global, so the other fields are |
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72 // automatically initialized to zero when the program is loaded. |
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73 // In particular, DO NOT zero-initialize .params here (like DMD |
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74 // does) because command-line options initialize some of those |
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75 // fields to non-zero defaults, and do so from constructors that |
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76 // may run before this one. |
159 | 77 } |
78 | |
79 char *Loc::toChars() const | |
80 { | |
81 OutBuffer buf; | |
82 | |
83 if (filename) | |
84 { | |
85 buf.printf("%s", filename); | |
86 } | |
87 | |
88 if (linnum) | |
89 buf.printf("(%d)", linnum); | |
90 buf.writeByte(0); | |
91 return (char *)buf.extractData(); | |
92 } | |
93 | |
94 Loc::Loc(Module *mod, unsigned linnum) | |
95 { | |
96 this->linnum = linnum; | |
97 this->filename = mod ? mod->srcfile->toChars() : NULL; | |
98 } | |
99 | |
1587 | 100 bool Loc::equals(const Loc& loc) |
101 { | |
102 return linnum == loc.linnum && FileName::equals(filename, loc.filename); | |
103 } | |
104 | |
159 | 105 /************************************** |
106 * Print error message and exit. | |
107 */ | |
108 | |
109 void error(Loc loc, const char *format, ...) | |
110 { | |
111 va_list ap; | |
112 va_start(ap, format); | |
113 verror(loc, format, ap); | |
114 va_end( ap ); | |
115 } | |
116 | |
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117 void warning(Loc loc, const char *format, ...) |
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118 { |
1640 | 119 va_list ap; |
120 va_start(ap, format); | |
121 vwarning(loc, format, ap); | |
122 va_end( ap ); | |
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123 } |
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124 |
159 | 125 void verror(Loc loc, const char *format, va_list ap) |
126 { | |
127 if (!global.gag) | |
128 { | |
129 char *p = loc.toChars(); | |
130 | |
131 if (*p) | |
132 fprintf(stdmsg, "%s: ", p); | |
133 mem.free(p); | |
134 | |
135 fprintf(stdmsg, "Error: "); | |
136 vfprintf(stdmsg, format, ap); | |
137 fprintf(stdmsg, "\n"); | |
138 fflush(stdmsg); | |
139 } | |
140 global.errors++; | |
141 } | |
142 | |
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143 void vwarning(Loc loc, const char *format, va_list ap) |
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144 { |
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145 if (global.params.warnings && !global.gag) |
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146 { |
1640 | 147 char *p = loc.toChars(); |
148 | |
149 if (*p) | |
150 fprintf(stdmsg, "%s: ", p); | |
151 mem.free(p); | |
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152 |
1640 | 153 fprintf(stdmsg, "Warning: "); |
154 #if _MSC_VER | |
155 // MS doesn't recognize %zu format | |
156 OutBuffer tmp; | |
157 tmp.vprintf(format, ap); | |
158 fprintf(stdmsg, "%s", tmp.toChars()); | |
159 #else | |
160 vfprintf(stdmsg, format, ap); | |
161 #endif | |
162 fprintf(stdmsg, "\n"); | |
163 fflush(stdmsg); | |
164 //halt(); | |
165 if (global.params.warnings == 1) | |
166 global.warnings++; // warnings don't count if gagged | |
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167 } |
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168 } |
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169 |
159 | 170 /*************************************** |
171 * Call this after printing out fatal error messages to clean up and exit | |
172 * the compiler. | |
173 */ | |
174 | |
175 void fatal() | |
176 { | |
177 #if 0 | |
178 halt(); | |
179 #endif | |
180 exit(EXIT_FAILURE); | |
181 } | |
182 | |
183 /************************************** | |
184 * Try to stop forgetting to remove the breakpoints from | |
185 * release builds. | |
186 */ | |
187 void halt() | |
188 { | |
189 #ifdef DEBUG | |
190 *(char*)0=0; | |
191 #endif | |
192 } | |
193 | |
1640 | 194 |
159 | 195 /*********************************** |
196 * Parse and append contents of environment variable envvar | |
197 * to argc and argv[]. | |
198 * The string is separated into arguments, processing \ and ". | |
199 */ | |
200 | |
201 void getenv_setargv(const char *envvar, int *pargc, char** *pargv) | |
202 { | |
203 char *p; | |
204 | |
205 int instring; | |
206 int slash; | |
207 char c; | |
208 | |
1587 | 209 char *env = getenv(envvar); |
159 | 210 if (!env) |
211 return; | |
212 | |
213 env = mem.strdup(env); // create our own writable copy | |
214 | |
1587 | 215 int argc = *pargc; |
216 Array *argv = new Array(); | |
159 | 217 argv->setDim(argc); |
218 | |
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219 int argc_left = 0; |
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220 for (int i = 0; i < argc; i++) { |
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221 if (!strcmp((*pargv)[i], "-run") || !strcmp((*pargv)[i], "--run")) { |
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222 // HACK: set flag to indicate we saw '-run' here |
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223 global.params.run = true; |
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224 // Don't eat -run yet so the program arguments don't get changed |
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225 argc_left = argc - i; |
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226 argc = i; |
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227 *pargv = &(*pargv)[i]; |
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228 argv->setDim(i); |
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229 break; |
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230 } else { |
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231 argv->data[i] = (void *)(*pargv)[i]; |
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232 } |
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233 } |
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234 // HACK to stop required values from command line being drawn from DFLAGS |
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235 argv->push((char*)""); |
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236 argc++; |
159 | 237 |
1587 | 238 int j = 1; // leave argv[0] alone |
159 | 239 while (1) |
240 { | |
1587 | 241 int wildcard = 1; // do wildcard expansion |
159 | 242 switch (*env) |
243 { | |
244 case ' ': | |
245 case '\t': | |
246 env++; | |
247 break; | |
248 | |
249 case 0: | |
250 goto Ldone; | |
251 | |
252 case '"': | |
253 wildcard = 0; | |
254 default: | |
255 argv->push(env); // append | |
256 //argv->insert(j, env); // insert at position j | |
257 j++; | |
258 argc++; | |
259 p = env; | |
260 slash = 0; | |
261 instring = 0; | |
262 c = 0; | |
263 | |
264 while (1) | |
265 { | |
266 c = *env++; | |
267 switch (c) | |
268 { | |
269 case '"': | |
270 p -= (slash >> 1); | |
271 if (slash & 1) | |
272 { p--; | |
273 goto Laddc; | |
274 } | |
275 instring ^= 1; | |
276 slash = 0; | |
277 continue; | |
278 | |
279 case ' ': | |
280 case '\t': | |
281 if (instring) | |
282 goto Laddc; | |
283 *p = 0; | |
284 //if (wildcard) | |
285 //wildcardexpand(); // not implemented | |
286 break; | |
287 | |
288 case '\\': | |
289 slash++; | |
290 *p++ = c; | |
291 continue; | |
292 | |
293 case 0: | |
294 *p = 0; | |
295 //if (wildcard) | |
296 //wildcardexpand(); // not implemented | |
297 goto Ldone; | |
298 | |
299 default: | |
300 Laddc: | |
301 slash = 0; | |
302 *p++ = c; | |
303 continue; | |
304 } | |
305 break; | |
306 } | |
307 } | |
308 } | |
309 | |
310 Ldone: | |
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311 assert(argc == argv->dim); |
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312 argv->reserve(argc_left); |
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313 for (int i = 0; i < argc_left; i++) |
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314 argv->data[argc++] = (void *)(*pargv)[i]; |
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315 |
159 | 316 *pargc = argc; |
317 *pargv = (char **)argv->data; | |
318 } |