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1
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2007 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // http://www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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10
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11 #include <stdio.h>
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12 #include <stdlib.h>
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13 #include <assert.h>
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14
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15 #if _WIN32 || IN_GCC || IN_LLVM
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16 #include "mem.h"
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17 #elif linux
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18 #include "../root/mem.h"
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19 #endif
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20
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21 #include "init.h"
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22 #include "declaration.h"
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23 #include "attrib.h"
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24 #include "cond.h"
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25 #include "scope.h"
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26 #include "id.h"
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27 #include "expression.h"
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28 #include "dsymbol.h"
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29 #include "aggregate.h"
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30 #include "module.h"
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31 #include "parse.h"
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32
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33 #include "../gen/enums.h"
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34
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35 extern void obj_includelib(char *name);
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36
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37
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38 /********************************* AttribDeclaration ****************************/
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39
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40 AttribDeclaration::AttribDeclaration(Array *decl)
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41 : Dsymbol()
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42 {
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43 this->decl = decl;
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44 }
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45
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46 Array *AttribDeclaration::include(Scope *sc, ScopeDsymbol *sd)
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47 {
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48 return decl;
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49 }
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50
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51 int AttribDeclaration::addMember(Scope *sc, ScopeDsymbol *sd, int memnum)
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52 {
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53 unsigned i;
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54 int m = 0;
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55 Array *d = include(sc, sd);
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56
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57 if (d)
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58 {
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59 for (i = 0; i < d->dim; i++)
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60 { Dsymbol *s;
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61
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62 s = (Dsymbol *)d->data[i];
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63 m |= s->addMember(sc, sd, m | memnum);
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64 }
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65 }
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66 return m;
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67 }
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68
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69 void AttribDeclaration::semantic(Scope *sc)
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70 {
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71 Array *d = include(sc, NULL);
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72
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73 //printf("\tAttribDeclaration::semantic '%s'\n",toChars());
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74 if (d)
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75 {
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76 for (unsigned i = 0; i < d->dim; i++)
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77 {
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78 Dsymbol *s = (Dsymbol *)d->data[i];
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79
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80 s->semantic(sc);
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81 }
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82 }
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83 }
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84
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85 void AttribDeclaration::semantic2(Scope *sc)
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86 {
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87 unsigned i;
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88 Array *d = include(sc, NULL);
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89
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90 if (d)
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91 {
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92 for (i = 0; i < d->dim; i++)
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93 { Dsymbol *s;
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94
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95 s = (Dsymbol *)d->data[i];
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96 s->semantic2(sc);
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97 }
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98 }
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99 }
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100
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101 void AttribDeclaration::semantic3(Scope *sc)
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102 {
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103 unsigned i;
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104 Array *d = include(sc, NULL);
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105
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106 if (d)
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107 {
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108 for (i = 0; i < d->dim; i++)
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109 { Dsymbol *s;
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110
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111 s = (Dsymbol *)d->data[i];
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112 s->semantic3(sc);
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113 }
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114 }
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115 }
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116
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117 void AttribDeclaration::inlineScan()
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118 {
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119 unsigned i;
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120 Array *d = include(NULL, NULL);
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121
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122 if (d)
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123 {
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124 for (i = 0; i < d->dim; i++)
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125 { Dsymbol *s;
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126
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127 s = (Dsymbol *)d->data[i];
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128 //printf("AttribDeclaration::inlineScan %s\n", s->toChars());
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129 s->inlineScan();
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130 }
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131 }
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132 }
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133
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134 void AttribDeclaration::addComment(unsigned char *comment)
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135 {
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136 if (comment)
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137 {
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138 unsigned i;
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139 Array *d = include(NULL, NULL);
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140
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141 if (d)
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142 {
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143 for (i = 0; i < d->dim; i++)
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144 { Dsymbol *s;
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145
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146 s = (Dsymbol *)d->data[i];
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147 //printf("AttribDeclaration::addComment %s\n", s->toChars());
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148 s->addComment(comment);
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149 }
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150 }
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151 }
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152 }
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153
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154 void AttribDeclaration::emitComment(Scope *sc)
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155 {
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156 //printf("AttribDeclaration::emitComment(sc = %p)\n", sc);
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157
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158 /* If generating doc comment, skip this because if we're inside
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159 * a template, then include(NULL, NULL) will fail.
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160 */
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161 // if (sc->docbuf)
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162 // return;
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163
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164 unsigned i;
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165 Array *d = include(NULL, NULL);
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166
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167 if (d)
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168 {
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169 for (i = 0; i < d->dim; i++)
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170 { Dsymbol *s;
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171
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172 s = (Dsymbol *)d->data[i];
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173 //printf("AttribDeclaration::emitComment %s\n", s->toChars());
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174 s->emitComment(sc);
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175 }
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176 }
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177 }
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178
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179 void AttribDeclaration::toObjFile()
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180 {
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181 unsigned i;
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182 Array *d = include(NULL, NULL);
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183
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184 if (d)
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185 {
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186 for (i = 0; i < d->dim; i++)
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187 { Dsymbol *s;
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188
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189 s = (Dsymbol *)d->data[i];
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190 s->toObjFile();
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191 }
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192 }
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193 }
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194
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19
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195 int AttribDeclaration::cvMember(unsigned char *p)
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196 {
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197 unsigned i;
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198 int nwritten = 0;
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199 int n;
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200 Array *d = include(NULL, NULL);
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201
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202 if (d)
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203 {
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204 for (i = 0; i < d->dim; i++)
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205 { Dsymbol *s;
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206
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207 s = (Dsymbol *)d->data[i];
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208 n = s->cvMember(p);
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209 if (p)
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210 p += n;
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211 nwritten += n;
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212 }
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213 }
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214 return nwritten;
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215 }
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216
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1
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217 int AttribDeclaration::hasPointers()
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218 {
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219 Array *d = include(NULL, NULL);
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220
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221 if (d)
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222 {
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223 for (size_t i = 0; i < d->dim; i++)
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224 {
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225 Dsymbol *s = (Dsymbol *)d->data[i];
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226 if (s->hasPointers())
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227 return 1;
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228 }
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229 }
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230 return 0;
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231 }
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232
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233 char *AttribDeclaration::kind()
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234 {
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235 return "attribute";
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236 }
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237
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238 int AttribDeclaration::oneMember(Dsymbol **ps)
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239 {
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240 Array *d = include(NULL, NULL);
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241
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242 return Dsymbol::oneMembers(d, ps);
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243 }
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244
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245 void AttribDeclaration::checkCtorConstInit()
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246 {
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247 unsigned i;
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248 Array *d = include(NULL, NULL);
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249
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250 if (d)
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251 {
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252 for (i = 0; i < d->dim; i++)
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253 { Dsymbol *s;
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254
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255 s = (Dsymbol *)d->data[i];
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256 s->checkCtorConstInit();
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257 }
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258 }
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259 }
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260
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261 /****************************************
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262 */
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263
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264 void AttribDeclaration::addLocalClass(ClassDeclarations *aclasses)
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265 { unsigned i;
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266 Array *d = include(NULL, NULL);
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267
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268 if (d)
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269 {
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270 for (i = 0; i < d->dim; i++)
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271 { Dsymbol *s;
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272
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273 s = (Dsymbol *)d->data[i];
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274 s->addLocalClass(aclasses);
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275 }
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276 }
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277 }
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278
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279
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280 void AttribDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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281 {
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282 if (decl)
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283 {
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284 buf->writenl();
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285 buf->writeByte('{');
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286 buf->writenl();
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287 for (unsigned i = 0; i < decl->dim; i++)
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288 {
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289 Dsymbol *s = (Dsymbol *)decl->data[i];
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290
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291 buf->writestring(" ");
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292 s->toCBuffer(buf, hgs);
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293 }
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294 buf->writeByte('}');
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295 }
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296 else
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297 buf->writeByte(';');
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298 buf->writenl();
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299 }
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300
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301 /************************* StorageClassDeclaration ****************************/
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302
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303 StorageClassDeclaration::StorageClassDeclaration(unsigned stc, Array *decl)
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304 : AttribDeclaration(decl)
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305 {
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306 this->stc = stc;
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307 }
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308
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309 Dsymbol *StorageClassDeclaration::syntaxCopy(Dsymbol *s)
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310 {
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311 StorageClassDeclaration *scd;
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312
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313 assert(!s);
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314 scd = new StorageClassDeclaration(stc, Dsymbol::arraySyntaxCopy(decl));
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315 return scd;
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316 }
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317
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318 void StorageClassDeclaration::semantic(Scope *sc)
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319 {
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320 if (decl)
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321 { unsigned stc_save = sc->stc;
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322
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323 if (stc & (STCauto | STCscope | STCstatic | STCextern))
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324 sc->stc &= ~(STCauto | STCscope | STCstatic | STCextern);
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325 sc->stc |= stc;
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326 for (unsigned i = 0; i < decl->dim; i++)
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327 {
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328 Dsymbol *s = (Dsymbol *)decl->data[i];
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329
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330 s->semantic(sc);
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331 }
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332 sc->stc = stc_save;
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333 }
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334 else
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335 sc->stc = stc;
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336 }
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337
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338 void StorageClassDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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339 {
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340 struct SCstring
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341 {
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342 int stc;
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343 enum TOK tok;
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344 };
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345
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346 static SCstring table[] =
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347 {
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348 { STCauto, TOKauto },
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349 { STCscope, TOKscope },
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350 { STCstatic, TOKstatic },
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351 { STCextern, TOKextern },
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352 { STCconst, TOKconst },
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353 { STCfinal, TOKfinal },
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354 { STCabstract, TOKabstract },
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355 { STCsynchronized, TOKsynchronized },
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356 { STCdeprecated, TOKdeprecated },
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357 { STCoverride, TOKoverride },
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358 };
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359
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360 int written = 0;
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361 for (int i = 0; i < sizeof(table)/sizeof(table[0]); i++)
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362 {
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363 if (stc & table[i].stc)
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364 {
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365 if (written)
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366 buf->writeByte(' ');
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367 written = 1;
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368 buf->writestring(Token::toChars(table[i].tok));
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369 }
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370 }
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371
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372 AttribDeclaration::toCBuffer(buf, hgs);
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373 }
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374
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375 /********************************* LinkDeclaration ****************************/
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376
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377 LinkDeclaration::LinkDeclaration(enum LINK p, Array *decl)
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378 : AttribDeclaration(decl)
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379 {
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380 //printf("LinkDeclaration(linkage = %d, decl = %p)\n", p, decl);
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381 linkage = p;
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382 }
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383
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384 Dsymbol *LinkDeclaration::syntaxCopy(Dsymbol *s)
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385 {
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386 LinkDeclaration *ld;
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387
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388 assert(!s);
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389 ld = new LinkDeclaration(linkage, Dsymbol::arraySyntaxCopy(decl));
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390 return ld;
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391 }
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392
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393 void LinkDeclaration::semantic(Scope *sc)
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394 {
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395 //printf("LinkDeclaration::semantic(linkage = %d, decl = %p)\n", linkage, decl);
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396 if (decl)
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397 { enum LINK linkage_save = sc->linkage;
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398
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399 sc->linkage = linkage;
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400 for (unsigned i = 0; i < decl->dim; i++)
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401 {
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402 Dsymbol *s = (Dsymbol *)decl->data[i];
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403
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404 s->semantic(sc);
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405 }
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406 sc->linkage = linkage_save;
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407 }
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408 else
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409 {
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410 sc->linkage = linkage;
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411 }
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412 }
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413
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414 void LinkDeclaration::semantic3(Scope *sc)
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415 {
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416 //printf("LinkDeclaration::semantic3(linkage = %d, decl = %p)\n", linkage, decl);
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417 if (decl)
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418 { enum LINK linkage_save = sc->linkage;
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419
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420 sc->linkage = linkage;
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421 for (unsigned i = 0; i < decl->dim; i++)
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422 {
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423 Dsymbol *s = (Dsymbol *)decl->data[i];
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424
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425 s->semantic3(sc);
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426 }
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427 sc->linkage = linkage_save;
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428 }
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429 else
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430 {
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431 sc->linkage = linkage;
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432 }
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433 }
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434
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435 void LinkDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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436 { char *p;
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437
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438 switch (linkage)
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439 {
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440 case LINKd: p = "D"; break;
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441 case LINKc: p = "C"; break;
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442 case LINKcpp: p = "C++"; break;
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443 case LINKwindows: p = "Windows"; break;
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444 case LINKpascal: p = "Pascal"; break;
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445 default:
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446 assert(0);
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447 break;
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448 }
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449 buf->writestring("extern (");
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450 buf->writestring(p);
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451 buf->writestring(") ");
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452 AttribDeclaration::toCBuffer(buf, hgs);
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453 }
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454
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455 char *LinkDeclaration::toChars()
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456 {
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457 return "extern ()";
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458 }
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459
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460 /********************************* ProtDeclaration ****************************/
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461
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462 ProtDeclaration::ProtDeclaration(enum PROT p, Array *decl)
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463 : AttribDeclaration(decl)
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464 {
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465 protection = p;
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466 //printf("decl = %p\n", decl);
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467 }
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468
|
|
|
469 Dsymbol *ProtDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
470 {
|
|
|
471 ProtDeclaration *pd;
|
|
|
472
|
|
|
473 assert(!s);
|
|
|
474 pd = new ProtDeclaration(protection, Dsymbol::arraySyntaxCopy(decl));
|
|
|
475 return pd;
|
|
|
476 }
|
|
|
477
|
|
|
478 void ProtDeclaration::semantic(Scope *sc)
|
|
|
479 {
|
|
|
480 if (decl)
|
|
|
481 { enum PROT protection_save = sc->protection;
|
|
|
482 int explicitProtection_save = sc->explicitProtection;
|
|
|
483
|
|
|
484 sc->protection = protection;
|
|
|
485 sc->explicitProtection = 1;
|
|
|
486 for (unsigned i = 0; i < decl->dim; i++)
|
|
|
487 {
|
|
|
488 Dsymbol *s = (Dsymbol *)decl->data[i];
|
|
|
489
|
|
|
490 s->semantic(sc);
|
|
|
491 }
|
|
|
492 sc->protection = protection_save;
|
|
|
493 sc->explicitProtection = explicitProtection_save;
|
|
|
494 }
|
|
|
495 else
|
|
|
496 { sc->protection = protection;
|
|
|
497 sc->explicitProtection = 1;
|
|
|
498 }
|
|
|
499 }
|
|
|
500
|
|
|
501 void ProtDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
502 { char *p;
|
|
|
503
|
|
|
504 switch (protection)
|
|
|
505 {
|
|
|
506 case PROTprivate: p = "private"; break;
|
|
|
507 case PROTpackage: p = "package"; break;
|
|
|
508 case PROTprotected: p = "protected"; break;
|
|
|
509 case PROTpublic: p = "public"; break;
|
|
|
510 case PROTexport: p = "export"; break;
|
|
|
511 default:
|
|
|
512 assert(0);
|
|
|
513 break;
|
|
|
514 }
|
|
|
515 buf->writestring(p);
|
|
|
516 AttribDeclaration::toCBuffer(buf, hgs);
|
|
|
517 }
|
|
|
518
|
|
|
519 /********************************* AlignDeclaration ****************************/
|
|
|
520
|
|
|
521 AlignDeclaration::AlignDeclaration(unsigned sa, Array *decl)
|
|
|
522 : AttribDeclaration(decl)
|
|
|
523 {
|
|
|
524 salign = sa;
|
|
|
525 }
|
|
|
526
|
|
|
527 Dsymbol *AlignDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
528 {
|
|
|
529 AlignDeclaration *ad;
|
|
|
530
|
|
|
531 assert(!s);
|
|
|
532 ad = new AlignDeclaration(salign, Dsymbol::arraySyntaxCopy(decl));
|
|
|
533 return ad;
|
|
|
534 }
|
|
|
535
|
|
|
536 void AlignDeclaration::semantic(Scope *sc)
|
|
|
537 {
|
|
|
538 //printf("\tAlignDeclaration::semantic '%s'\n",toChars());
|
|
|
539 if (decl)
|
|
|
540 { unsigned salign_save = sc->structalign;
|
|
|
541
|
|
|
542 sc->structalign = salign;
|
|
|
543 for (unsigned i = 0; i < decl->dim; i++)
|
|
|
544 {
|
|
|
545 Dsymbol *s = (Dsymbol *)decl->data[i];
|
|
|
546
|
|
|
547 s->semantic(sc);
|
|
|
548 }
|
|
|
549 sc->structalign = salign_save;
|
|
|
550 }
|
|
|
551 else
|
|
|
552 sc->structalign = salign;
|
|
|
553 }
|
|
|
554
|
|
|
555
|
|
|
556 void AlignDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
557 {
|
|
|
558 buf->printf("align (%d)", salign);
|
|
|
559 AttribDeclaration::toCBuffer(buf, hgs);
|
|
|
560 }
|
|
|
561
|
|
|
562 /********************************* AnonDeclaration ****************************/
|
|
|
563
|
|
|
564 AnonDeclaration::AnonDeclaration(Loc loc, int isunion, Array *decl)
|
|
|
565 : AttribDeclaration(decl)
|
|
|
566 {
|
|
|
567 this->loc = loc;
|
|
|
568 this->isunion = isunion;
|
|
|
569 this->scope = NULL;
|
|
|
570 this->sem = 0;
|
|
|
571 }
|
|
|
572
|
|
|
573 Dsymbol *AnonDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
574 {
|
|
|
575 AnonDeclaration *ad;
|
|
|
576
|
|
|
577 assert(!s);
|
|
|
578 ad = new AnonDeclaration(loc, isunion, Dsymbol::arraySyntaxCopy(decl));
|
|
|
579 return ad;
|
|
|
580 }
|
|
|
581
|
|
|
582 void AnonDeclaration::semantic(Scope *sc)
|
|
|
583 {
|
|
|
584 //printf("\tAnonDeclaration::semantic %s %p\n", isunion ? "union" : "struct", this);
|
|
|
585
|
|
|
586 Scope *scx = NULL;
|
|
|
587 if (scope)
|
|
|
588 { sc = scope;
|
|
|
589 scx = scope;
|
|
|
590 scope = NULL;
|
|
|
591 }
|
|
|
592
|
|
|
593 assert(sc->parent);
|
|
|
594
|
|
|
595 Dsymbol *parent = sc->parent->pastMixin();
|
|
|
596 AggregateDeclaration *ad = parent->isAggregateDeclaration();
|
|
|
597
|
|
|
598 if (!ad || (!ad->isStructDeclaration() && !ad->isClassDeclaration()))
|
|
|
599 {
|
|
|
600 error("can only be a part of an aggregate");
|
|
|
601 return;
|
|
|
602 }
|
|
|
603
|
|
|
604 if (decl)
|
|
|
605 {
|
|
|
606 AnonymousAggregateDeclaration aad;
|
|
|
607 int adisunion;
|
|
|
608
|
|
|
609 if (sc->anonAgg)
|
|
|
610 { ad = sc->anonAgg;
|
|
|
611 adisunion = sc->inunion;
|
|
|
612 }
|
|
|
613 else
|
|
|
614 adisunion = ad->isUnionDeclaration() != NULL;
|
|
|
615
|
|
|
616 // printf("\tsc->anonAgg = %p\n", sc->anonAgg);
|
|
|
617 // printf("\tad = %p\n", ad);
|
|
|
618 // printf("\taad = %p\n", &aad);
|
|
|
619
|
|
|
620 sc = sc->push();
|
|
|
621 sc->anonAgg = &aad;
|
|
|
622 sc->stc &= ~(STCauto | STCscope | STCstatic);
|
|
|
623 sc->inunion = isunion;
|
|
|
624 sc->offset = 0;
|
|
|
625 sc->flags = 0;
|
|
|
626 aad.structalign = sc->structalign;
|
|
|
627 aad.parent = ad;
|
|
|
628
|
|
|
629 for (unsigned i = 0; i < decl->dim; i++)
|
|
|
630 {
|
|
|
631 Dsymbol *s = (Dsymbol *)decl->data[i];
|
|
|
632
|
|
|
633 s->semantic(sc);
|
|
|
634 if (isunion)
|
|
|
635 sc->offset = 0;
|
|
|
636 if (aad.sizeok == 2)
|
|
|
637 {
|
|
|
638 break;
|
|
|
639 }
|
|
|
640 }
|
|
|
641 sc = sc->pop();
|
|
|
642
|
|
|
643 // If failed due to forward references, unwind and try again later
|
|
|
644 if (aad.sizeok == 2)
|
|
|
645 {
|
|
|
646 ad->sizeok = 2;
|
|
|
647 //printf("\tsetting ad->sizeok %p to 2\n", ad);
|
|
|
648 if (!sc->anonAgg)
|
|
|
649 {
|
|
|
650 scope = scx ? scx : new Scope(*sc);
|
|
|
651 scope->setNoFree();
|
|
|
652 scope->module->addDeferredSemantic(this);
|
|
|
653 }
|
|
|
654 //printf("\tforward reference %p\n", this);
|
|
|
655 return;
|
|
|
656 }
|
|
|
657 if (sem == 0)
|
|
|
658 { Module::dprogress++;
|
|
|
659 sem = 1;
|
|
|
660 //printf("\tcompleted %p\n", this);
|
|
|
661 }
|
|
|
662 else
|
|
|
663 ;//printf("\talready completed %p\n", this);
|
|
|
664
|
|
|
665 // 0 sized structs are set to 1 byte
|
|
|
666 if (aad.structsize == 0)
|
|
|
667 {
|
|
|
668 aad.structsize = 1;
|
|
|
669 aad.alignsize = 1;
|
|
|
670 }
|
|
|
671
|
|
|
672 // Align size of anonymous aggregate
|
|
|
673 //printf("aad.structalign = %d, aad.alignsize = %d, sc->offset = %d\n", aad.structalign, aad.alignsize, sc->offset);
|
|
|
674 ad->alignmember(aad.structalign, aad.alignsize, &sc->offset);
|
|
|
675 //ad->structsize = sc->offset;
|
|
|
676 //printf("sc->offset = %d\n", sc->offset);
|
|
|
677
|
|
|
678 // Add members of aad to ad
|
|
|
679 //printf("\tadding members of aad to '%s'\n", ad->toChars());
|
|
|
680 for (unsigned i = 0; i < aad.fields.dim; i++)
|
|
|
681 {
|
|
|
682 VarDeclaration *v = (VarDeclaration *)aad.fields.data[i];
|
|
|
683
|
|
|
684 v->offset += sc->offset;
|
|
|
685 ad->fields.push(v);
|
|
|
686 }
|
|
|
687
|
|
|
688 // Add size of aad to ad
|
|
|
689 if (adisunion)
|
|
|
690 {
|
|
|
691 if (aad.structsize > ad->structsize)
|
|
|
692 ad->structsize = aad.structsize;
|
|
|
693 sc->offset = 0;
|
|
|
694 }
|
|
|
695 else
|
|
|
696 {
|
|
|
697 ad->structsize = sc->offset + aad.structsize;
|
|
|
698 sc->offset = ad->structsize;
|
|
|
699 }
|
|
|
700
|
|
|
701 if (ad->alignsize < aad.alignsize)
|
|
|
702 ad->alignsize = aad.alignsize;
|
|
|
703 }
|
|
|
704 }
|
|
|
705
|
|
|
706
|
|
|
707 void AnonDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
708 {
|
|
|
709 buf->printf(isunion ? "union" : "struct");
|
|
|
710 buf->writestring("\n{\n");
|
|
|
711 if (decl)
|
|
|
712 {
|
|
|
713 for (unsigned i = 0; i < decl->dim; i++)
|
|
|
714 {
|
|
|
715 Dsymbol *s = (Dsymbol *)decl->data[i];
|
|
|
716
|
|
|
717 //buf->writestring(" ");
|
|
|
718 s->toCBuffer(buf, hgs);
|
|
|
719 }
|
|
|
720 }
|
|
|
721 buf->writestring("}\n");
|
|
|
722 }
|
|
|
723
|
|
|
724 char *AnonDeclaration::kind()
|
|
|
725 {
|
|
|
726 return (char *)(isunion ? "anonymous union" : "anonymous struct");
|
|
|
727 }
|
|
|
728
|
|
|
729 /********************************* PragmaDeclaration ****************************/
|
|
|
730
|
|
|
731 PragmaDeclaration::PragmaDeclaration(Loc loc, Identifier *ident, Expressions *args, Array *decl)
|
|
|
732 : AttribDeclaration(decl)
|
|
|
733 {
|
|
|
734 this->loc = loc;
|
|
|
735 this->ident = ident;
|
|
|
736 this->args = args;
|
|
|
737 }
|
|
|
738
|
|
|
739 Dsymbol *PragmaDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
740 {
|
|
|
741 PragmaDeclaration *pd;
|
|
|
742
|
|
|
743 assert(!s);
|
|
|
744 pd = new PragmaDeclaration(loc, ident,
|
|
|
745 Expression::arraySyntaxCopy(args), Dsymbol::arraySyntaxCopy(decl));
|
|
|
746 return pd;
|
|
|
747 }
|
|
|
748
|
|
|
749 void PragmaDeclaration::semantic(Scope *sc)
|
|
|
750 { // Should be merged with PragmaStatement
|
|
|
751
|
|
|
752 #if IN_LLVM
|
|
|
753 int llvm_internal = 0;
|
|
|
754 char* llvm_str1 = NULL;
|
|
|
755
|
|
|
756 #endif
|
|
|
757
|
|
|
758 //printf("\tPragmaDeclaration::semantic '%s'\n",toChars());
|
|
|
759 if (ident == Id::msg)
|
|
|
760 {
|
|
|
761 if (args)
|
|
|
762 {
|
|
|
763 for (size_t i = 0; i < args->dim; i++)
|
|
|
764 {
|
|
|
765 Expression *e = (Expression *)args->data[i];
|
|
|
766
|
|
|
767 e = e->semantic(sc);
|
|
|
768 e = e->optimize(WANTvalue | WANTinterpret);
|
|
|
769 if (e->op == TOKstring)
|
|
|
770 {
|
|
|
771 StringExp *se = (StringExp *)e;
|
|
|
772 fprintf(stdmsg, "%.*s", (int)se->len, se->string);
|
|
|
773 }
|
|
|
774 else
|
|
|
775 error("string expected for message, not '%s'", e->toChars());
|
|
|
776 }
|
|
|
777 fprintf(stdmsg, "\n");
|
|
|
778 }
|
|
|
779 goto Lnodecl;
|
|
|
780 }
|
|
|
781 else if (ident == Id::lib)
|
|
|
782 {
|
|
|
783 if (!args || args->dim != 1)
|
|
|
784 error("string expected for library name");
|
|
|
785 else
|
|
|
786 {
|
|
|
787 Expression *e = (Expression *)args->data[0];
|
|
|
788
|
|
|
789 e = e->semantic(sc);
|
|
|
790 e = e->optimize(WANTvalue | WANTinterpret);
|
|
|
791 args->data[0] = (void *)e;
|
|
|
792 if (e->op != TOKstring)
|
|
|
793 error("string expected for library name, not '%s'", e->toChars());
|
|
|
794 else if (global.params.verbose)
|
|
|
795 {
|
|
|
796 StringExp *se = (StringExp *)e;
|
|
|
797 char *name = (char *)mem.malloc(se->len + 1);
|
|
|
798 memcpy(name, se->string, se->len);
|
|
|
799 name[se->len] = 0;
|
|
|
800 printf("library %s\n", name);
|
|
|
801 mem.free(name);
|
|
|
802 }
|
|
|
803 }
|
|
|
804 goto Lnodecl;
|
|
|
805 }
|
|
|
806 #if IN_GCC
|
|
|
807 else if (ident == Id::GNU_asm)
|
|
|
808 {
|
|
|
809 if (! args || args->dim != 2)
|
|
|
810 error("identifier and string expected for asm name");
|
|
|
811 else
|
|
|
812 {
|
|
|
813 Expression *e;
|
|
|
814 Declaration *d = NULL;
|
|
|
815 StringExp *s = NULL;
|
|
|
816
|
|
|
817 e = (Expression *)args->data[0];
|
|
|
818 e = e->semantic(sc);
|
|
|
819 if (e->op == TOKvar)
|
|
|
820 {
|
|
|
821 d = ((VarExp *)e)->var;
|
|
|
822 if (! d->isFuncDeclaration() && ! d->isVarDeclaration())
|
|
|
823 d = NULL;
|
|
|
824 }
|
|
|
825 if (!d)
|
|
|
826 error("first argument of GNU_asm must be a function or variable declaration");
|
|
|
827
|
|
|
828 e = (Expression *)args->data[1];
|
|
|
829 e = e->semantic(sc);
|
|
|
830 e = e->optimize(WANTvalue);
|
|
|
831 if (e->op == TOKstring && ((StringExp *)e)->sz == 1)
|
|
|
832 s = ((StringExp *)e);
|
|
|
833 else
|
|
|
834 error("second argument of GNU_asm must be a char string");
|
|
|
835
|
|
|
836 if (d && s)
|
|
|
837 d->c_ident = Lexer::idPool((char*) s->string);
|
|
|
838 }
|
|
|
839 goto Lnodecl;
|
|
|
840 }
|
|
|
841 #endif
|
|
|
842 #if IN_LLVM
|
|
|
843 else if (ident == Id::LLVM_internal)
|
|
|
844 {
|
|
|
845 if (!args || args->dim < 1 || args->dim > 2)
|
|
|
846 error("needs 1-3 parameters");
|
|
|
847 else if (!decl || decl->dim < 1)
|
|
|
848 error("must apply to at least one declaration");
|
|
|
849 else
|
|
|
850 {
|
|
|
851 Expression *e;
|
|
|
852 StringExp *s = NULL;
|
|
|
853
|
|
|
854 e = (Expression *)args->data[0];
|
|
|
855 e = e->semantic(sc);
|
|
|
856 e = e->optimize(WANTvalue);
|
|
|
857 if (e->op == TOKstring && (s = (StringExp *)e))
|
|
|
858 {
|
|
|
859 char* str = (char*)s->string;
|
|
|
860 if (strcmp(str,"intrinsic")==0) {
|
|
|
861 llvm_internal = LLVMintrinsic;
|
|
|
862 assert(args->dim == 2);
|
|
|
863 }
|
|
|
864 else if (strcmp(str,"null")==0) {
|
|
|
865 llvm_internal = LLVMnull;
|
|
|
866 assert(args->dim == 1);
|
|
|
867 }
|
|
|
868 else if (strcmp(str,"mangle")==0) {
|
|
|
869 llvm_internal = LLVMmangle;
|
|
|
870 assert(args->dim == 2);
|
|
|
871 }
|
|
|
872 else if (strcmp(str,"bind")==0) {
|
|
|
873 llvm_internal = LLVMbind;
|
|
|
874 assert(args->dim == 2);
|
|
|
875 }
|
|
|
876 else {
|
|
|
877 error("unknown pragma command: %s", str);
|
|
|
878 }
|
|
|
879 }
|
|
|
880 else
|
|
|
881 error("1st argument must be a string");
|
|
|
882
|
|
|
883 if (llvm_internal)
|
|
|
884 switch (llvm_internal)
|
|
|
885 {
|
|
|
886 case LLVMintrinsic:
|
|
|
887 case LLVMmangle:
|
|
|
888 case LLVMbind:
|
|
|
889 e = (Expression *)args->data[1];
|
|
|
890 e = e->semantic(sc);
|
|
|
891 e = e->optimize(WANTvalue);
|
|
|
892 if (e->op == TOKstring && (s = (StringExp *)e)) {
|
|
|
893 llvm_str1 = (char*)s->string;
|
|
|
894 }
|
|
|
895 else
|
|
|
896 error("2nd argument must be a string");
|
|
|
897 break;
|
|
|
898
|
|
|
899 case LLVMnull:
|
|
|
900 break;
|
|
|
901
|
|
|
902 default:
|
|
|
903 assert(0);
|
|
|
904 }
|
|
|
905 }
|
|
|
906 }
|
|
|
907 #endif
|
|
|
908 else
|
|
|
909 error("unrecognized pragma(%s)", ident->toChars());
|
|
|
910
|
|
|
911 if (decl)
|
|
|
912 {
|
|
|
913 for (unsigned i = 0; i < decl->dim; i++)
|
|
|
914 {
|
|
|
915 Dsymbol *s = (Dsymbol *)decl->data[i];
|
|
|
916
|
|
|
917 s->semantic(sc);
|
|
|
918
|
|
|
919 #if IN_LLVM
|
|
|
920 if (llvm_internal)
|
|
|
921 {
|
|
|
922 switch(llvm_internal)
|
|
|
923 {
|
|
|
924 case LLVMintrinsic:
|
|
|
925 case LLVMmangle:
|
|
|
926 if (FuncDeclaration* fd = s->isFuncDeclaration()) {
|
|
|
927 fd->llvmInternal = llvm_internal;
|
|
|
928 fd->llvmInternal1 = llvm_str1;
|
|
|
929 }
|
|
|
930 else {
|
|
|
931 error("may only be used on function declarations");
|
|
|
932 assert(0);
|
|
|
933 }
|
|
|
934 break;
|
|
|
935
|
|
|
936 case LLVMnull:
|
|
|
937 if (StaticCtorDeclaration* sd = s->isStaticCtorDeclaration()) {
|
|
|
938 sd->llvmInternal = llvm_internal;
|
|
|
939 }
|
|
|
940 else {
|
|
|
941 error("may only be used on static constructors");
|
|
|
942 assert(0);
|
|
|
943 }
|
|
|
944 break;
|
|
|
945
|
|
|
946 case LLVMbind:
|
|
|
947 if (VarDeclaration* vd = s->isVarDeclaration()) {
|
|
|
948 vd->llvmInternal = llvm_internal;
|
|
|
949 vd->llvmInternal1 = llvm_str1;
|
|
|
950 }
|
|
|
951 else {
|
|
|
952 error("may only be used on var declarations");
|
|
|
953 assert(0);
|
|
|
954 }
|
|
|
955 break;
|
|
|
956
|
|
|
957 default:
|
|
|
958 assert(0 && "invalid LLVM_internal pragma got through :/");
|
|
|
959 }
|
|
|
960 }
|
|
|
961
|
|
|
962 #endif
|
|
|
963 }
|
|
|
964 }
|
|
|
965 return;
|
|
|
966
|
|
|
967 Lnodecl:
|
|
|
968 if (decl)
|
|
|
969 error("pragma is missing closing ';'");
|
|
|
970 }
|
|
|
971
|
|
|
972 int PragmaDeclaration::oneMember(Dsymbol **ps)
|
|
|
973 {
|
|
|
974 *ps = NULL;
|
|
|
975 return TRUE;
|
|
|
976 }
|
|
|
977
|
|
|
978 char *PragmaDeclaration::kind()
|
|
|
979 {
|
|
|
980 return "pragma";
|
|
|
981 }
|
|
|
982
|
|
|
983 void PragmaDeclaration::toObjFile()
|
|
|
984 {
|
|
|
985 if (ident == Id::lib)
|
|
|
986 {
|
|
|
987 assert(args && args->dim == 1);
|
|
|
988
|
|
|
989 Expression *e = (Expression *)args->data[0];
|
|
|
990
|
|
|
991 assert(e->op == TOKstring);
|
|
|
992
|
|
|
993 StringExp *se = (StringExp *)e;
|
|
|
994 char *name = (char *)mem.malloc(se->len + 1);
|
|
|
995 memcpy(name, se->string, se->len);
|
|
|
996 name[se->len] = 0;
|
|
|
997 obj_includelib(name);
|
|
|
998 }
|
|
|
999 AttribDeclaration::toObjFile();
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 void PragmaDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
1003 {
|
|
|
1004 buf->printf("pragma(%s", ident->toChars());
|
|
|
1005 if (args)
|
|
|
1006 {
|
|
|
1007 for (size_t i = 0; i < args->dim; i++)
|
|
|
1008 {
|
|
|
1009 Expression *e = (Expression *)args->data[i];
|
|
|
1010
|
|
|
1011 buf->writestring(", ");
|
|
|
1012 e->toCBuffer(buf, hgs);
|
|
|
1013 }
|
|
|
1014 }
|
|
|
1015 buf->writestring(")");
|
|
|
1016 AttribDeclaration::toCBuffer(buf, hgs);
|
|
|
1017 }
|
|
|
1018
|
|
|
1019
|
|
|
1020 /********************************* ConditionalDeclaration ****************************/
|
|
|
1021
|
|
|
1022 ConditionalDeclaration::ConditionalDeclaration(Condition *condition, Array *decl, Array *elsedecl)
|
|
|
1023 : AttribDeclaration(decl)
|
|
|
1024 {
|
|
|
1025 //printf("ConditionalDeclaration::ConditionalDeclaration()\n");
|
|
|
1026 this->condition = condition;
|
|
|
1027 this->elsedecl = elsedecl;
|
|
|
1028 }
|
|
|
1029
|
|
|
1030 Dsymbol *ConditionalDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1031 {
|
|
|
1032 ConditionalDeclaration *dd;
|
|
|
1033
|
|
|
1034 assert(!s);
|
|
|
1035 dd = new ConditionalDeclaration(condition->syntaxCopy(),
|
|
|
1036 Dsymbol::arraySyntaxCopy(decl),
|
|
|
1037 Dsymbol::arraySyntaxCopy(elsedecl));
|
|
|
1038 return dd;
|
|
|
1039 }
|
|
|
1040
|
|
|
1041
|
|
|
1042 int ConditionalDeclaration::oneMember(Dsymbol **ps)
|
|
|
1043 {
|
|
|
1044 //printf("ConditionalDeclaration::oneMember(), inc = %d\n", condition->inc);
|
|
|
1045 if (condition->inc)
|
|
|
1046 {
|
|
|
1047 Array *d = condition->include(NULL, NULL) ? decl : elsedecl;
|
|
|
1048 return Dsymbol::oneMembers(d, ps);
|
|
|
1049 }
|
|
|
1050 *ps = NULL;
|
|
|
1051 return TRUE;
|
|
|
1052 }
|
|
|
1053
|
|
|
1054 void ConditionalDeclaration::emitComment(Scope *sc)
|
|
|
1055 {
|
|
|
1056 //printf("ConditionalDeclaration::emitComment(sc = %p)\n", sc);
|
|
|
1057 if (condition->inc)
|
|
|
1058 {
|
|
|
1059 AttribDeclaration::emitComment(sc);
|
|
|
1060 }
|
|
|
1061 }
|
|
|
1062
|
|
|
1063 // Decide if 'then' or 'else' code should be included
|
|
|
1064
|
|
|
1065 Array *ConditionalDeclaration::include(Scope *sc, ScopeDsymbol *sd)
|
|
|
1066 {
|
|
|
1067 //printf("ConditionalDeclaration::include()\n");
|
|
|
1068 assert(condition);
|
|
|
1069 return condition->include(sc, sd) ? decl : elsedecl;
|
|
|
1070 }
|
|
|
1071
|
|
|
1072
|
|
|
1073 void ConditionalDeclaration::addComment(unsigned char *comment)
|
|
|
1074 {
|
|
|
1075 /* Because addComment is called by the parser, if we called
|
|
|
1076 * include() it would define a version before it was used.
|
|
|
1077 * But it's no problem to drill down to both decl and elsedecl,
|
|
|
1078 * so that's the workaround.
|
|
|
1079 */
|
|
|
1080
|
|
|
1081 if (comment)
|
|
|
1082 {
|
|
|
1083 Array *d = decl;
|
|
|
1084
|
|
|
1085 for (int j = 0; j < 2; j++)
|
|
|
1086 {
|
|
|
1087 if (d)
|
|
|
1088 {
|
|
|
1089 for (unsigned i = 0; i < d->dim; i++)
|
|
|
1090 { Dsymbol *s;
|
|
|
1091
|
|
|
1092 s = (Dsymbol *)d->data[i];
|
|
|
1093 //printf("ConditionalDeclaration::addComment %s\n", s->toChars());
|
|
|
1094 s->addComment(comment);
|
|
|
1095 }
|
|
|
1096 }
|
|
|
1097 d = elsedecl;
|
|
|
1098 }
|
|
|
1099 }
|
|
|
1100 }
|
|
|
1101
|
|
|
1102 void ConditionalDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
1103 {
|
|
|
1104 condition->toCBuffer(buf, hgs);
|
|
|
1105 if (decl || elsedecl)
|
|
|
1106 {
|
|
|
1107 buf->writenl();
|
|
|
1108 buf->writeByte('{');
|
|
|
1109 buf->writenl();
|
|
|
1110 if (decl)
|
|
|
1111 {
|
|
|
1112 for (unsigned i = 0; i < decl->dim; i++)
|
|
|
1113 {
|
|
|
1114 Dsymbol *s = (Dsymbol *)decl->data[i];
|
|
|
1115
|
|
|
1116 buf->writestring(" ");
|
|
|
1117 s->toCBuffer(buf, hgs);
|
|
|
1118 }
|
|
|
1119 }
|
|
|
1120 buf->writeByte('}');
|
|
|
1121 if (elsedecl)
|
|
|
1122 {
|
|
|
1123 buf->writenl();
|
|
|
1124 buf->writestring("else");
|
|
|
1125 buf->writenl();
|
|
|
1126 buf->writeByte('{');
|
|
|
1127 buf->writenl();
|
|
|
1128 for (unsigned i = 0; i < elsedecl->dim; i++)
|
|
|
1129 {
|
|
|
1130 Dsymbol *s = (Dsymbol *)elsedecl->data[i];
|
|
|
1131
|
|
|
1132 buf->writestring(" ");
|
|
|
1133 s->toCBuffer(buf, hgs);
|
|
|
1134 }
|
|
|
1135 buf->writeByte('}');
|
|
|
1136 }
|
|
|
1137 }
|
|
|
1138 else
|
|
|
1139 buf->writeByte(':');
|
|
|
1140 buf->writenl();
|
|
|
1141 }
|
|
|
1142
|
|
|
1143 /***************************** StaticIfDeclaration ****************************/
|
|
|
1144
|
|
|
1145 StaticIfDeclaration::StaticIfDeclaration(Condition *condition,
|
|
|
1146 Array *decl, Array *elsedecl)
|
|
|
1147 : ConditionalDeclaration(condition, decl, elsedecl)
|
|
|
1148 {
|
|
|
1149 //printf("StaticIfDeclaration::StaticIfDeclaration()\n");
|
|
|
1150 sd = NULL;
|
|
|
1151 addisdone = 0;
|
|
|
1152 }
|
|
|
1153
|
|
|
1154
|
|
|
1155 Dsymbol *StaticIfDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1156 {
|
|
|
1157 StaticIfDeclaration *dd;
|
|
|
1158
|
|
|
1159 assert(!s);
|
|
|
1160 dd = new StaticIfDeclaration(condition->syntaxCopy(),
|
|
|
1161 Dsymbol::arraySyntaxCopy(decl),
|
|
|
1162 Dsymbol::arraySyntaxCopy(elsedecl));
|
|
|
1163 return dd;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166
|
|
|
1167 int StaticIfDeclaration::addMember(Scope *sc, ScopeDsymbol *sd, int memnum)
|
|
|
1168 {
|
|
|
1169 /* This is deferred until semantic(), so that
|
|
|
1170 * expressions in the condition can refer to declarations
|
|
|
1171 * in the same scope, such as:
|
|
|
1172 *
|
|
|
1173 * template Foo(int i)
|
|
|
1174 * {
|
|
|
1175 * const int j = i + 1;
|
|
|
1176 * static if (j == 3)
|
|
|
1177 * const int k;
|
|
|
1178 * }
|
|
|
1179 */
|
|
|
1180 this->sd = sd;
|
|
|
1181 int m = 0;
|
|
|
1182
|
|
|
1183 if (memnum == 0)
|
|
|
1184 { m = AttribDeclaration::addMember(sc, sd, memnum);
|
|
|
1185 addisdone = 1;
|
|
|
1186 }
|
|
|
1187 return m;
|
|
|
1188 }
|
|
|
1189
|
|
|
1190
|
|
|
1191 void StaticIfDeclaration::semantic(Scope *sc)
|
|
|
1192 {
|
|
|
1193 Array *d = include(sc, sd);
|
|
|
1194
|
|
|
1195 //printf("\tStaticIfDeclaration::semantic '%s'\n",toChars());
|
|
|
1196 if (d)
|
|
|
1197 {
|
|
|
1198 if (!addisdone)
|
|
|
1199 { AttribDeclaration::addMember(sc, sd, 1);
|
|
|
1200 addisdone = 1;
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 for (unsigned i = 0; i < d->dim; i++)
|
|
|
1204 {
|
|
|
1205 Dsymbol *s = (Dsymbol *)d->data[i];
|
|
|
1206
|
|
|
1207 s->semantic(sc);
|
|
|
1208 }
|
|
|
1209 }
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 char *StaticIfDeclaration::kind()
|
|
|
1213 {
|
|
|
1214 return "static if";
|
|
|
1215 }
|
|
|
1216
|
|
|
1217
|
|
|
1218 /***************************** CompileDeclaration *****************************/
|
|
|
1219
|
|
|
1220 CompileDeclaration::CompileDeclaration(Loc loc, Expression *exp)
|
|
|
1221 : AttribDeclaration(NULL)
|
|
|
1222 {
|
|
|
1223 this->exp = exp;
|
|
|
1224 this->sd = NULL;
|
|
|
1225 }
|
|
|
1226
|
|
|
1227 Dsymbol *CompileDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1228 {
|
|
|
1229 //printf("CompileDeclaration::syntaxCopy('%s')\n", toChars());
|
|
|
1230 CompileDeclaration *sc = new CompileDeclaration(loc, exp->syntaxCopy());
|
|
|
1231 return sc;
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 int CompileDeclaration::addMember(Scope *sc, ScopeDsymbol *sd, int memnum)
|
|
|
1235 {
|
|
|
1236 this->sd = sd;
|
|
|
1237 return memnum;
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 void CompileDeclaration::semantic(Scope *sc)
|
|
|
1241 {
|
|
|
1242 //printf("CompileDeclaration::semantic()\n");
|
|
|
1243 exp = exp->semantic(sc);
|
|
|
1244 exp = resolveProperties(sc, exp);
|
|
|
1245 exp = exp->optimize(WANTvalue | WANTinterpret);
|
|
|
1246 if (exp->op != TOKstring)
|
|
|
1247 { error("argument to mixin must be a string, not (%s)", exp->toChars());
|
|
|
1248 return;
|
|
|
1249 }
|
|
|
1250 StringExp *se = (StringExp *)exp;
|
|
|
1251 se = se->toUTF8(sc);
|
|
|
1252 Parser p(sc->module, (unsigned char *)se->string, se->len, 0);
|
|
|
1253 p.loc = loc;
|
|
|
1254 p.nextToken();
|
|
|
1255 decl = p.parseDeclDefs(0);
|
|
|
1256 if (p.token.value != TOKeof)
|
|
|
1257 {
|
|
|
1258 error("incomplete mixin declaration (%s)", se->toChars());
|
|
|
1259 }
|
|
|
1260
|
|
|
1261 AttribDeclaration::addMember(sc, sd, 0);
|
|
|
1262 AttribDeclaration::semantic(sc);
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 void CompileDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
1266 {
|
|
|
1267 buf->writestring("mixin(");
|
|
|
1268 exp->toCBuffer(buf, hgs);
|
|
|
1269 buf->writestring(");");
|
|
|
1270 buf->writenl();
|
|
|
1271 }
|
