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> |
|---|---|
| date | Thu, 20 May 2010 20:05:03 +0200 |
| parents | 9bf06e02070b |
| children |
| rev | line source |
|---|---|
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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 } |