Mercurial > projects > ldc
annotate dmd2/mars.c @ 1270:dd135ff697fa
Fixed class default initializers and type generation. Bug #260 is fixed.
author | Tomas Lindquist Olsen <tomas.l.olsen gmail com> |
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date | Mon, 27 Apr 2009 03:40:40 +0200 |
parents | 123812e02bc8 |
children | 638d16625da2 |
rev | line source |
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1 // Compiler implementation of the D programming language |
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2 // Copyright (c) 1999-2009 by Digital Mars |
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3 // All Rights Reserved |
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4 // written by Walter Bright |
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5 // http://www.digitalmars.com |
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6 // License for redistribution is by either the Artistic License |
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7 // in artistic.txt, or the GNU General Public License in gnu.txt. |
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8 // See the included readme.txt for details. |
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9 |
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10 #include <stdio.h> |
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11 #include <stdlib.h> |
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12 #include <ctype.h> |
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13 #include <assert.h> |
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14 #include <limits.h> |
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15 #include <string> |
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16 #include <cstdarg> |
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17 |
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18 #if __DMC__ |
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19 #include <dos.h> |
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20 #endif |
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21 |
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22 #if POSIX |
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23 #include <errno.h> |
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24 #elif _WIN32 |
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25 #include <windows.h> |
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26 #endif |
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27 |
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28 #include "mem.h" |
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29 #include "root.h" |
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30 |
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31 #include "mars.h" |
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32 #include "module.h" |
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33 #include "mtype.h" |
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34 #include "id.h" |
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35 #include "cond.h" |
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36 #include "expression.h" |
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37 #include "lexer.h" |
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38 |
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39 #include "revisions.h" |
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40 |
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41 Global global; |
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42 |
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43 Global::Global() |
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44 { |
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45 mars_ext = "d"; |
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46 sym_ext = "d"; |
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47 hdr_ext = "di"; |
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48 doc_ext = "html"; |
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49 ddoc_ext = "ddoc"; |
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50 |
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51 // LDC |
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52 ll_ext = "ll"; |
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53 bc_ext = "bc"; |
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54 s_ext = "s"; |
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55 obj_ext = "o"; |
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56 #if _WIN32 |
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57 obj_ext_alt = "obj"; |
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58 #endif |
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59 |
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60 copyright = "Copyright (c) 1999-2009 by Digital Mars and Tomas Lindquist Olsen"; |
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61 written = "written by Walter Bright and Tomas Lindquist Olsen"; |
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62 version = "v2.021"; |
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63 ldc_version = LDC_REV; |
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64 llvm_version = LLVM_REV_STR; |
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65 global.structalign = 8; |
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66 |
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67 // This should only be used as a global, so the other fields are |
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68 // automatically initialized to zero when the program is loaded. |
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69 // In particular, DO NOT zero-initialize .params here (like DMD |
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70 // does) because command-line options initialize some of those |
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71 // fields to non-zero defaults, and do so from constructors that |
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72 // may run before this one. |
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73 } |
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74 |
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75 char *Loc::toChars() const |
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76 { |
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77 OutBuffer buf; |
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78 |
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79 if (filename) |
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80 { |
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81 buf.printf("%s", filename); |
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82 } |
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83 |
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84 if (linnum) |
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85 buf.printf("(%d)", linnum); |
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86 buf.writeByte(0); |
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87 return (char *)buf.extractData(); |
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88 } |
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89 |
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90 Loc::Loc(Module *mod, unsigned linnum) |
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91 { |
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92 this->linnum = linnum; |
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93 this->filename = mod ? mod->srcfile->toChars() : NULL; |
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94 } |
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95 |
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96 /************************************** |
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97 * Print error message and exit. |
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98 */ |
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99 |
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100 void error(Loc loc, const char *format, ...) |
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101 { |
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102 va_list ap; |
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103 va_start(ap, format); |
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104 verror(loc, format, ap); |
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105 va_end( ap ); |
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106 } |
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107 |
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108 void verror(Loc loc, const char *format, va_list ap) |
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109 { |
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110 if (!global.gag) |
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111 { |
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112 char *p = loc.toChars(); |
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113 |
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114 if (*p) |
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115 fprintf(stdmsg, "%s: ", p); |
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116 mem.free(p); |
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117 |
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118 fprintf(stdmsg, "Error: "); |
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119 vfprintf(stdmsg, format, ap); |
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120 fprintf(stdmsg, "\n"); |
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121 fflush(stdmsg); |
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122 } |
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123 global.errors++; |
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124 } |
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125 |
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126 /*************************************** |
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127 * Call this after printing out fatal error messages to clean up and exit |
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128 * the compiler. |
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129 */ |
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130 |
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131 void fatal() |
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132 { |
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133 #if 0 |
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134 halt(); |
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135 #endif |
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136 exit(EXIT_FAILURE); |
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137 } |
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138 |
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139 /************************************** |
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140 * Try to stop forgetting to remove the breakpoints from |
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141 * release builds. |
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142 */ |
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143 void halt() |
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144 { |
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145 #ifdef DEBUG |
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146 *(char*)0=0; |
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147 #endif |
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148 } |
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149 |
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150 /*********************************** |
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151 * Parse and append contents of environment variable envvar |
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152 * to argc and argv[]. |
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153 * The string is separated into arguments, processing \ and ". |
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154 */ |
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155 |
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156 void getenv_setargv(const char *envvar, int *pargc, char** *pargv) |
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157 { |
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158 char *env; |
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159 char *p; |
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160 Array *argv; |
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161 int argc; |
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162 |
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163 int wildcard; // do wildcard expansion |
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164 int instring; |
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165 int slash; |
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166 char c; |
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167 int j; |
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168 |
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169 env = getenv(envvar); |
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170 if (!env) |
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171 return; |
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172 |
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173 env = mem.strdup(env); // create our own writable copy |
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174 |
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175 argc = *pargc; |
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176 argv = new Array(); |
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177 argv->setDim(argc); |
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178 |
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179 int argc_left = 0; |
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180 for (int i = 0; i < argc; i++) { |
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181 if (!strcmp((*pargv)[i], "-run") || !strcmp((*pargv)[i], "--run")) { |
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182 // HACK: set flag to indicate we saw '-run' here |
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183 global.params.run = true; |
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184 // Don't eat -run yet so the program arguments don't get changed |
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185 argc_left = argc - i; |
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186 argc = i; |
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187 *pargv = &(*pargv)[i]; |
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188 argv->setDim(i); |
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189 break; |
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190 } else { |
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191 argv->data[i] = (void *)(*pargv)[i]; |
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192 } |
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193 } |
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194 // HACK to stop required values from command line being drawn from DFLAGS |
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195 argv->push((char*)""); |
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196 argc++; |
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197 |
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198 j = 1; // leave argv[0] alone |
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199 while (1) |
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200 { |
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201 wildcard = 1; |
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202 switch (*env) |
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203 { |
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204 case ' ': |
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205 case '\t': |
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206 env++; |
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207 break; |
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208 |
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209 case 0: |
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210 goto Ldone; |
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211 |
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212 case '"': |
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213 wildcard = 0; |
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214 default: |
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215 argv->push(env); // append |
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216 //argv->insert(j, env); // insert at position j |
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217 j++; |
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218 argc++; |
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219 p = env; |
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220 slash = 0; |
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221 instring = 0; |
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222 c = 0; |
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223 |
988
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224 while (1) |
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225 { |
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226 c = *env++; |
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227 switch (c) |
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228 { |
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229 case '"': |
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230 p -= (slash >> 1); |
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231 if (slash & 1) |
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232 { p--; |
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233 goto Laddc; |
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234 } |
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235 instring ^= 1; |
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236 slash = 0; |
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237 continue; |
758
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238 |
988
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239 case ' ': |
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240 case '\t': |
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241 if (instring) |
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242 goto Laddc; |
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243 *p = 0; |
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244 //if (wildcard) |
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245 //wildcardexpand(); // not implemented |
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246 break; |
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247 |
988
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248 case '\\': |
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249 slash++; |
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250 *p++ = c; |
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251 continue; |
758
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252 |
988
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253 case 0: |
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254 *p = 0; |
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255 //if (wildcard) |
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256 //wildcardexpand(); // not implemented |
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257 goto Ldone; |
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258 |
988
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259 default: |
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260 Laddc: |
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261 slash = 0; |
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262 *p++ = c; |
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263 continue; |
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264 } |
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265 break; |
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266 } |
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267 } |
758
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268 } |
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269 |
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270 Ldone: |
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271 assert(argc == argv->dim); |
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272 argv->reserve(argc_left); |
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273 for (int i = 0; i < argc_left; i++) |
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274 argv->data[argc++] = (void *)(*pargv)[i]; |
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275 |
758
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276 *pargc = argc; |
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277 *pargv = (char **)argv->data; |
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278 } |