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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 <assert.h>
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13
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14 #include "init.h"
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15 #include "declaration.h"
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16 #include "attrib.h"
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17 #include "mtype.h"
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18 #include "template.h"
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19 #include "scope.h"
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20 #include "aggregate.h"
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21 #include "module.h"
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22 #include "id.h"
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23 #include "expression.h"
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24 #include "hdrgen.h"
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25
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26 /********************************* Declaration ****************************/
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27
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28 Declaration::Declaration(Identifier *id)
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29 : Dsymbol(id)
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30 {
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31 type = NULL;
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32 storage_class = STCundefined;
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33 protection = PROTundefined;
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34 linkage = LINKdefault;
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35 }
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36
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37 void Declaration::semantic(Scope *sc)
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38 {
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39 }
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40
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41 char *Declaration::kind()
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42 {
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43 return "declaration";
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44 }
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45
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46 unsigned Declaration::size(Loc loc)
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47 {
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48 assert(type);
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49 return type->size();
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50 }
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51
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52 int Declaration::isStaticConstructor()
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53 {
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54 return FALSE;
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55 }
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56
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57 int Declaration::isStaticDestructor()
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58 {
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59 return FALSE;
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60 }
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61
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62 int Declaration::isDelete()
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63 {
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64 return FALSE;
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65 }
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66
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67 int Declaration::isDataseg()
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68 {
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69 return FALSE;
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70 }
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71
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72 int Declaration::isCodeseg()
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73 {
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74 return FALSE;
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75 }
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76
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77 enum PROT Declaration::prot()
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78 {
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79 return protection;
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80 }
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81
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82 /********************************* TupleDeclaration ****************************/
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83
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84 TupleDeclaration::TupleDeclaration(Loc loc, Identifier *id, Objects *objects)
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85 : Declaration(id)
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86 {
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87 this->type = NULL;
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88 this->objects = objects;
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89 this->isexp = 0;
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90 this->tupletype = NULL;
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91 }
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92
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93 Dsymbol *TupleDeclaration::syntaxCopy(Dsymbol *s)
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94 {
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95 assert(0);
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96 return NULL;
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97 }
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98
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99 char *TupleDeclaration::kind()
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100 {
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101 return "tuple";
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102 }
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103
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104 Type *TupleDeclaration::getType()
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105 {
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106 /* If this tuple represents a type, return that type
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107 */
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108
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109 //printf("TupleDeclaration::getType() %s\n", toChars());
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110 if (isexp)
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111 return NULL;
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112 if (!tupletype)
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113 {
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114 /* It's only a type tuple if all the Object's are types
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115 */
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116 for (size_t i = 0; i < objects->dim; i++)
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117 { Object *o = (Object *)objects->data[i];
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118
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119 if (o->dyncast() != DYNCAST_TYPE)
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120 {
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121 //printf("\tnot[%d], %p, %d\n", i, o, o->dyncast());
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122 return NULL;
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123 }
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124 }
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125
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126 /* We know it's a type tuple, so build the TypeTuple
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127 */
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128 Arguments *args = new Arguments();
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129 args->setDim(objects->dim);
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130 OutBuffer buf;
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131 for (size_t i = 0; i < objects->dim; i++)
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132 { Type *t = (Type *)objects->data[i];
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133
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134 //printf("type = %s\n", t->toChars());
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135 #if 0
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136 buf.printf("_%s_%d", ident->toChars(), i);
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137 char *name = (char *)buf.extractData();
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138 Identifier *id = new Identifier(name, TOKidentifier);
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139 Argument *arg = new Argument(STCin, t, id, NULL);
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140 #else
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141 Argument *arg = new Argument(STCin, t, NULL, NULL);
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142 #endif
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143 args->data[i] = (void *)arg;
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144 }
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145
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146 tupletype = new TypeTuple(args);
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147 }
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148
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149 return tupletype;
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150 }
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151
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152 int TupleDeclaration::needThis()
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153 {
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154 //printf("TupleDeclaration::needThis(%s)\n", toChars());
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155 for (size_t i = 0; i < objects->dim; i++)
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156 { Object *o = (Object *)objects->data[i];
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157 if (o->dyncast() == DYNCAST_EXPRESSION)
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158 { Expression *e = (Expression *)o;
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159 if (e->op == TOKdsymbol)
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160 { DsymbolExp *ve = (DsymbolExp *)e;
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161 Declaration *d = ve->s->isDeclaration();
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162 if (d && d->needThis())
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163 {
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164 return 1;
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165 }
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166 }
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167 }
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168 }
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169 return 0;
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170 }
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171
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172 /********************************* TypedefDeclaration ****************************/
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173
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174 TypedefDeclaration::TypedefDeclaration(Loc loc, Identifier *id, Type *basetype, Initializer *init)
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175 : Declaration(id)
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176 {
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177 this->type = new TypeTypedef(this);
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178 this->basetype = basetype->toBasetype();
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179 this->init = init;
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180 #ifdef _DH
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181 this->htype = NULL;
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182 this->hbasetype = NULL;
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183 #endif
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184 this->sem = 0;
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185 this->inuse = 0;
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186 this->loc = loc;
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187 this->sinit = NULL;
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188 }
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189
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190 Dsymbol *TypedefDeclaration::syntaxCopy(Dsymbol *s)
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191 {
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192 Type *basetype = this->basetype->syntaxCopy();
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193
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194 Initializer *init = NULL;
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195 if (this->init)
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196 init = this->init->syntaxCopy();
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197
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198 assert(!s);
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199 TypedefDeclaration *st;
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200 st = new TypedefDeclaration(loc, ident, basetype, init);
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201 #ifdef _DH
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202 // Syntax copy for header file
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203 if (!htype) // Don't overwrite original
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204 { if (type) // Make copy for both old and new instances
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205 { htype = type->syntaxCopy();
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206 st->htype = type->syntaxCopy();
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207 }
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208 }
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209 else // Make copy of original for new instance
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210 st->htype = htype->syntaxCopy();
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211 if (!hbasetype)
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212 { if (basetype)
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213 { hbasetype = basetype->syntaxCopy();
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214 st->hbasetype = basetype->syntaxCopy();
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215 }
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216 }
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217 else
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218 st->hbasetype = hbasetype->syntaxCopy();
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219 #endif
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220 return st;
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221 }
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222
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223 void TypedefDeclaration::semantic(Scope *sc)
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224 {
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225 //printf("TypedefDeclaration::semantic(%s) sem = %d\n", toChars(), sem);
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226 if (sem == 0)
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227 { sem = 1;
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228 basetype = basetype->semantic(loc, sc);
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229 sem = 2;
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230 type = type->semantic(loc, sc);
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231 if (sc->parent->isFuncDeclaration() && init)
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232 semantic2(sc);
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233 }
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234 else if (sem == 1)
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235 {
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236 error("circular definition");
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237 }
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238 }
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239
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240 void TypedefDeclaration::semantic2(Scope *sc)
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241 {
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242 //printf("TypedefDeclaration::semantic2(%s) sem = %d\n", toChars(), sem);
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243 if (sem == 2)
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244 { sem = 3;
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245 if (init)
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246 {
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247 init = init->semantic(sc, basetype);
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248
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249 ExpInitializer *ie = init->isExpInitializer();
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250 if (ie)
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251 {
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252 if (ie->exp->type == basetype)
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253 ie->exp->type = type;
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254 }
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255 }
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256 }
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257 }
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258
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259 char *TypedefDeclaration::kind()
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260 {
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261 return "typedef";
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262 }
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263
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264 Type *TypedefDeclaration::getType()
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265 {
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266 return type;
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267 }
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268
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269 void TypedefDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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270 {
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271 buf->writestring("typedef ");
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272 basetype->toCBuffer(buf, ident, hgs);
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273 if (init)
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274 {
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275 buf->writestring(" = ");
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276 init->toCBuffer(buf, hgs);
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277 }
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278 buf->writeByte(';');
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279 buf->writenl();
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280 }
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281
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282 /********************************* AliasDeclaration ****************************/
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283
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284 AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Type *type)
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285 : Declaration(id)
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286 {
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287 //printf("AliasDeclaration(id = '%s', type = %p)\n", id->toChars(), type);
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288 //printf("type = '%s'\n", type->toChars());
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289 this->loc = loc;
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290 this->type = type;
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291 this->aliassym = NULL;
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292 #ifdef _DH
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293 this->htype = NULL;
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294 this->haliassym = NULL;
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295 #endif
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296 this->overnext = NULL;
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297 this->inSemantic = 0;
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298 assert(type);
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299 }
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300
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301 AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Dsymbol *s)
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302 : Declaration(id)
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303 {
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304 //printf("AliasDeclaration(id = '%s', s = %p)\n", id->toChars(), s);
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305 assert(s != this);
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306 this->loc = loc;
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307 this->type = NULL;
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308 this->aliassym = s;
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309 #ifdef _DH
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310 this->htype = NULL;
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311 this->haliassym = NULL;
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312 #endif
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313 this->overnext = NULL;
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314 this->inSemantic = 0;
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315 assert(s);
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316 }
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317
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318 Dsymbol *AliasDeclaration::syntaxCopy(Dsymbol *s)
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319 {
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320 assert(!s);
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321 AliasDeclaration *sa;
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322 if (type)
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323 sa = new AliasDeclaration(loc, ident, type->syntaxCopy());
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324 else
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325 sa = new AliasDeclaration(loc, ident, aliassym->syntaxCopy(NULL));
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326 #ifdef _DH
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327 // Syntax copy for header file
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328 if (!htype) // Don't overwrite original
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329 { if (type) // Make copy for both old and new instances
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330 { htype = type->syntaxCopy();
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331 sa->htype = type->syntaxCopy();
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332 }
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333 }
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334 else // Make copy of original for new instance
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335 sa->htype = htype->syntaxCopy();
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336 if (!haliassym)
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337 { if (aliassym)
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338 { haliassym = aliassym->syntaxCopy(s);
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339 sa->haliassym = aliassym->syntaxCopy(s);
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340 }
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341 }
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342 else
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343 sa->haliassym = haliassym->syntaxCopy(s);
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344 #endif
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345 return sa;
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346 }
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347
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348 void AliasDeclaration::semantic(Scope *sc)
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349 {
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350 //printf("AliasDeclaration::semantic() %s\n", toChars());
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351 if (aliassym)
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352 {
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353 if (aliassym->isTemplateInstance())
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354 aliassym->semantic(sc);
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355 return;
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356 }
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357 this->inSemantic = 1;
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358
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359 if (storage_class & STCconst)
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360 error("cannot be const");
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361
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362 storage_class |= sc->stc & STCdeprecated;
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363
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364 // Given:
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365 // alias foo.bar.abc def;
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366 // it is not knowable from the syntax whether this is an alias
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367 // for a type or an alias for a symbol. It is up to the semantic()
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368 // pass to distinguish.
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369 // If it is a type, then type is set and getType() will return that
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370 // type. If it is a symbol, then aliassym is set and type is NULL -
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371 // toAlias() will return aliasssym.
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372
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373 Dsymbol *s;
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374 Type *t;
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375 Expression *e;
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376
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377 /* This section is needed because resolve() will:
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378 * const x = 3;
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379 * alias x y;
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380 * try to alias y to 3.
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381 */
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382 s = type->toDsymbol(sc);
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383 if (s)
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384 goto L2; // it's a symbolic alias
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385
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386 //printf("alias type is %s\n", type->toChars());
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387 type->resolve(loc, sc, &e, &t, &s);
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388 if (s)
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389 {
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390 goto L2;
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391 }
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392 else if (e)
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393 {
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394 // Try to convert Expression to Dsymbol
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395 if (e->op == TOKvar)
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396 { s = ((VarExp *)e)->var;
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397 goto L2;
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398 }
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399 else if (e->op == TOKfunction)
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400 { s = ((FuncExp *)e)->fd;
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401 goto L2;
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402 }
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403 else
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404 { error("cannot alias an expression %s", e->toChars());
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405 t = e->type;
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406 }
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407 }
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408 else if (t)
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409 type = t;
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410 if (overnext)
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411 ScopeDsymbol::multiplyDefined(0, this, overnext);
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412 this->inSemantic = 0;
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413 return;
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414
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415 L2:
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416 //printf("alias is a symbol %s %s\n", s->kind(), s->toChars());
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417 type = NULL;
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418 VarDeclaration *v = s->isVarDeclaration();
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419 if (v && v->linkage == LINKdefault)
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420 {
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421 error("forward reference of %s", v->toChars());
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422 s = NULL;
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423 }
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424 else
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425 {
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426 FuncDeclaration *f = s->toAlias()->isFuncDeclaration();
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427 if (f)
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428 {
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429 if (overnext)
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430 {
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431 FuncAliasDeclaration *fa = new FuncAliasDeclaration(f);
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432 if (!fa->overloadInsert(overnext))
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433 ScopeDsymbol::multiplyDefined(0, f, overnext);
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434 overnext = NULL;
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435 s = fa;
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436 s->parent = sc->parent;
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437 }
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438 }
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439 if (overnext)
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440 ScopeDsymbol::multiplyDefined(0, s, overnext);
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441 if (s == this)
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442 {
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443 assert(global.errors);
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444 s = NULL;
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445 }
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446 }
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447 aliassym = s;
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448 this->inSemantic = 0;
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449 }
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450
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451 int AliasDeclaration::overloadInsert(Dsymbol *s)
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452 {
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453 /* Don't know yet what the aliased symbol is, so assume it can
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|
|
454 * be overloaded and check later for correctness.
|
|
|
455 */
|
|
|
456
|
|
|
457 //printf("AliasDeclaration::overloadInsert('%s')\n", s->toChars());
|
|
|
458 if (overnext == NULL)
|
|
|
459 { overnext = s;
|
|
|
460 return TRUE;
|
|
|
461 }
|
|
|
462 else
|
|
|
463 {
|
|
|
464 return overnext->overloadInsert(s);
|
|
|
465 }
|
|
|
466 }
|
|
|
467
|
|
|
468 char *AliasDeclaration::kind()
|
|
|
469 {
|
|
|
470 return "alias";
|
|
|
471 }
|
|
|
472
|
|
|
473 Type *AliasDeclaration::getType()
|
|
|
474 {
|
|
|
475 return type;
|
|
|
476 }
|
|
|
477
|
|
|
478 Dsymbol *AliasDeclaration::toAlias()
|
|
|
479 {
|
|
|
480 //printf("AliasDeclaration::toAlias('%s', this = %p, aliassym = %p, kind = '%s')\n", toChars(), this, aliassym, aliassym ? aliassym->kind() : "");
|
|
|
481 assert(this != aliassym);
|
|
|
482 //static int count; if (++count == 10) *(char*)0=0;
|
|
|
483 if (inSemantic)
|
|
|
484 { error("recursive alias declaration");
|
|
|
485 // return this;
|
|
|
486 }
|
|
|
487 Dsymbol *s = aliassym ? aliassym->toAlias() : this;
|
|
|
488 return s;
|
|
|
489 }
|
|
|
490
|
|
|
491 void AliasDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
492 {
|
|
|
493 buf->writestring("alias ");
|
|
|
494 #if 0 && _DH
|
|
|
495 if (hgs->hdrgen)
|
|
|
496 {
|
|
|
497 if (haliassym)
|
|
|
498 {
|
|
|
499 haliassym->toCBuffer(buf, hgs);
|
|
|
500 buf->writeByte(' ');
|
|
|
501 buf->writestring(ident->toChars());
|
|
|
502 }
|
|
|
503 else
|
|
|
504 htype->toCBuffer(buf, ident, hgs);
|
|
|
505 }
|
|
|
506 else
|
|
|
507 #endif
|
|
|
508 {
|
|
|
509 if (aliassym)
|
|
|
510 {
|
|
|
511 aliassym->toCBuffer(buf, hgs);
|
|
|
512 buf->writeByte(' ');
|
|
|
513 buf->writestring(ident->toChars());
|
|
|
514 }
|
|
|
515 else
|
|
|
516 type->toCBuffer(buf, ident, hgs);
|
|
|
517 }
|
|
|
518 buf->writeByte(';');
|
|
|
519 buf->writenl();
|
|
|
520 }
|
|
|
521
|
|
|
522 /********************************* VarDeclaration ****************************/
|
|
|
523
|
|
|
524 VarDeclaration::VarDeclaration(Loc loc, Type *type, Identifier *id, Initializer *init)
|
|
|
525 : Declaration(id)
|
|
|
526 {
|
|
|
527 //printf("VarDeclaration('%s')\n", id->toChars());
|
|
|
528 #ifdef DEBUG
|
|
|
529 if (!type && !init)
|
|
|
530 { printf("VarDeclaration('%s')\n", id->toChars());
|
|
|
531 //*(char*)0=0;
|
|
|
532 }
|
|
|
533 #endif
|
|
|
534 assert(type || init);
|
|
|
535 this->type = type;
|
|
|
536 this->init = init;
|
|
|
537 #ifdef _DH
|
|
|
538 this->htype = NULL;
|
|
|
539 this->hinit = NULL;
|
|
|
540 #endif
|
|
|
541 this->loc = loc;
|
|
|
542 offset = 0;
|
|
|
543 noauto = 0;
|
|
|
544 nestedref = 0;
|
|
|
545 inuse = 0;
|
|
|
546 ctorinit = 0;
|
|
|
547 aliassym = NULL;
|
|
|
548 onstack = 0;
|
|
|
549 canassign = 0;
|
|
|
550 value = NULL;
|
|
|
551 }
|
|
|
552
|
|
|
553 Dsymbol *VarDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
554 {
|
|
|
555 //printf("VarDeclaration::syntaxCopy(%s)\n", toChars());
|
|
|
556
|
|
|
557 VarDeclaration *sv;
|
|
|
558 if (s)
|
|
|
559 { sv = (VarDeclaration *)s;
|
|
|
560 }
|
|
|
561 else
|
|
|
562 {
|
|
|
563 Initializer *init = NULL;
|
|
|
564 if (this->init)
|
|
|
565 { init = this->init->syntaxCopy();
|
|
|
566 //init->isExpInitializer()->exp->print();
|
|
|
567 //init->isExpInitializer()->exp->dump(0);
|
|
|
568 }
|
|
|
569
|
|
|
570 sv = new VarDeclaration(loc, type ? type->syntaxCopy() : NULL, ident, init);
|
|
|
571 sv->storage_class = storage_class;
|
|
|
572 }
|
|
|
573 #ifdef _DH
|
|
|
574 // Syntax copy for header file
|
|
|
575 if (!htype) // Don't overwrite original
|
|
|
576 { if (type) // Make copy for both old and new instances
|
|
|
577 { htype = type->syntaxCopy();
|
|
|
578 sv->htype = type->syntaxCopy();
|
|
|
579 }
|
|
|
580 }
|
|
|
581 else // Make copy of original for new instance
|
|
|
582 sv->htype = htype->syntaxCopy();
|
|
|
583 if (!hinit)
|
|
|
584 { if (init)
|
|
|
585 { hinit = init->syntaxCopy();
|
|
|
586 sv->hinit = init->syntaxCopy();
|
|
|
587 }
|
|
|
588 }
|
|
|
589 else
|
|
|
590 sv->hinit = hinit->syntaxCopy();
|
|
|
591 #endif
|
|
|
592 return sv;
|
|
|
593 }
|
|
|
594
|
|
|
595 void VarDeclaration::semantic(Scope *sc)
|
|
|
596 {
|
|
|
597 //printf("VarDeclaration::semantic('%s', parent = '%s')\n", toChars(), sc->parent->toChars());
|
|
|
598 //printf("type = %s\n", type->toChars());
|
|
|
599 //printf("linkage = %d\n", sc->linkage);
|
|
|
600 //if (strcmp(toChars(), "mul") == 0) halt();
|
|
|
601
|
|
|
602 storage_class |= sc->stc;
|
|
|
603 if (storage_class & STCextern && init)
|
|
|
604 error("extern symbols cannot have initializers");
|
|
|
605
|
|
|
606 /* If auto type inference, do the inference
|
|
|
607 */
|
|
|
608 int inferred = 0;
|
|
|
609 if (!type)
|
|
|
610 { inuse++;
|
|
|
611 type = init->inferType(sc);
|
|
|
612 inuse--;
|
|
|
613 inferred = 1;
|
|
|
614
|
|
|
615 /* This is a kludge to support the existing syntax for RAII
|
|
|
616 * declarations.
|
|
|
617 */
|
|
|
618 storage_class &= ~STCauto;
|
|
|
619 }
|
|
|
620 else
|
|
|
621 type = type->semantic(loc, sc);
|
|
|
622
|
|
|
623 type->checkDeprecated(loc, sc);
|
|
|
624 linkage = sc->linkage;
|
|
|
625 this->parent = sc->parent;
|
|
|
626 //printf("this = %p, parent = %p, '%s'\n", this, parent, parent->toChars());
|
|
|
627 protection = sc->protection;
|
|
|
628 //printf("sc->stc = %x\n", sc->stc);
|
|
|
629 //printf("storage_class = %x\n", storage_class);
|
|
|
630
|
|
|
631 Dsymbol *parent = toParent();
|
|
|
632 FuncDeclaration *fd = parent->isFuncDeclaration();
|
|
|
633
|
|
|
634 Type *tb = type->toBasetype();
|
|
|
635 if (tb->ty == Tvoid && !(storage_class & STClazy))
|
|
|
636 { error("voids have no value");
|
|
|
637 type = Type::terror;
|
|
|
638 tb = type;
|
|
|
639 }
|
|
|
640 if (tb->ty == Tfunction)
|
|
|
641 { error("cannot be declared to be a function");
|
|
|
642 type = Type::terror;
|
|
|
643 tb = type;
|
|
|
644 }
|
|
|
645 if (tb->ty == Tstruct)
|
|
|
646 { TypeStruct *ts = (TypeStruct *)tb;
|
|
|
647
|
|
|
648 if (!ts->sym->members)
|
|
|
649 {
|
|
|
650 error("no definition of struct %s", ts->toChars());
|
|
|
651 }
|
|
|
652 }
|
|
|
653
|
|
|
654 if (tb->ty == Ttuple)
|
|
|
655 { /* Instead, declare variables for each of the tuple elements
|
|
|
656 * and add those.
|
|
|
657 */
|
|
|
658 TypeTuple *tt = (TypeTuple *)tb;
|
|
|
659 size_t nelems = Argument::dim(tt->arguments);
|
|
|
660 Objects *exps = new Objects();
|
|
|
661 exps->setDim(nelems);
|
|
|
662
|
|
|
663 for (size_t i = 0; i < nelems; i++)
|
|
|
664 { Argument *arg = Argument::getNth(tt->arguments, i);
|
|
|
665
|
|
|
666 OutBuffer buf;
|
|
|
667 buf.printf("_%s_field_%zu", ident->toChars(), i);
|
|
|
668 buf.writeByte(0);
|
|
|
669 char *name = (char *)buf.extractData();
|
|
|
670 Identifier *id = new Identifier(name, TOKidentifier);
|
|
|
671
|
|
|
672 VarDeclaration *v = new VarDeclaration(loc, arg->type, id, NULL);
|
|
|
673 //printf("declaring field %s of type %s\n", v->toChars(), v->type->toChars());
|
|
|
674 v->semantic(sc);
|
|
|
675
|
|
|
676 if (sc->scopesym)
|
|
|
677 { //printf("adding %s to %s\n", v->toChars(), sc->scopesym->toChars());
|
|
|
678 if (sc->scopesym->members)
|
|
|
679 sc->scopesym->members->push(v);
|
|
|
680 }
|
|
|
681
|
|
|
682 Expression *e = new DsymbolExp(loc, v);
|
|
|
683 exps->data[i] = e;
|
|
|
684 }
|
|
|
685 TupleDeclaration *v2 = new TupleDeclaration(loc, ident, exps);
|
|
|
686 v2->isexp = 1;
|
|
|
687 aliassym = v2;
|
|
|
688 return;
|
|
|
689 }
|
|
|
690
|
|
|
691 if (storage_class & STCconst && !init && !fd)
|
|
|
692 // Initialize by constructor only
|
|
|
693 storage_class = (storage_class & ~STCconst) | STCctorinit;
|
|
|
694
|
|
|
695 if (isConst())
|
|
|
696 {
|
|
|
697 }
|
|
|
698 else if (isStatic())
|
|
|
699 {
|
|
|
700 }
|
|
|
701 else if (isSynchronized())
|
|
|
702 {
|
|
|
703 error("variable %s cannot be synchronized", toChars());
|
|
|
704 }
|
|
|
705 else if (isOverride())
|
|
|
706 {
|
|
|
707 error("override cannot be applied to variable");
|
|
|
708 }
|
|
|
709 else if (isAbstract())
|
|
|
710 {
|
|
|
711 error("abstract cannot be applied to variable");
|
|
|
712 }
|
|
|
713 else if (storage_class & STCtemplateparameter)
|
|
|
714 {
|
|
|
715 }
|
|
|
716 else
|
|
|
717 {
|
|
|
718 AggregateDeclaration *aad = sc->anonAgg;
|
|
|
719 if (!aad)
|
|
|
720 aad = parent->isAggregateDeclaration();
|
|
|
721 if (aad)
|
|
|
722 {
|
|
|
723 aad->addField(sc, this);
|
|
|
724 }
|
|
|
725
|
|
|
726 InterfaceDeclaration *id = parent->isInterfaceDeclaration();
|
|
|
727 if (id)
|
|
|
728 {
|
|
|
729 error("field not allowed in interface");
|
|
|
730 }
|
|
|
731
|
|
|
732 TemplateInstance *ti = parent->isTemplateInstance();
|
|
|
733 if (ti)
|
|
|
734 {
|
|
|
735 // Take care of nested templates
|
|
|
736 while (1)
|
|
|
737 {
|
|
|
738 TemplateInstance *ti2 = ti->tempdecl->parent->isTemplateInstance();
|
|
|
739 if (!ti2)
|
|
|
740 break;
|
|
|
741 ti = ti2;
|
|
|
742 }
|
|
|
743
|
|
|
744 // If it's a member template
|
|
|
745 AggregateDeclaration *ad = ti->tempdecl->isMember();
|
|
|
746 if (ad && storage_class != STCundefined)
|
|
|
747 {
|
|
|
748 error("cannot use template to add field to aggregate '%s'", ad->toChars());
|
|
|
749 }
|
|
|
750 }
|
|
|
751 }
|
|
|
752
|
|
|
753 if (type->isauto() && !noauto)
|
|
|
754 {
|
|
|
755 if (storage_class & (STCfield | STCout | STCref | STCstatic) || !fd)
|
|
|
756 {
|
|
|
757 error("globals, statics, fields, ref and out parameters cannot be auto");
|
|
|
758 }
|
|
|
759
|
|
|
760 if (!(storage_class & (STCauto | STCscope)))
|
|
|
761 {
|
|
|
762 if (!(storage_class & STCparameter) && ident != Id::withSym)
|
|
|
763 error("reference to scope class must be scope");
|
|
|
764 }
|
|
|
765 }
|
|
|
766
|
|
|
767 if (!init && !sc->inunion && !isStatic() && !isConst() && fd &&
|
|
|
768 !(storage_class & (STCfield | STCin | STCforeach)))
|
|
|
769 {
|
|
|
770 // Provide a default initializer
|
|
|
771 //printf("Providing default initializer for '%s'\n", toChars());
|
|
|
772 if (type->ty == Tstruct &&
|
|
|
773 ((TypeStruct *)type)->sym->zeroInit == 1)
|
|
19
|
774 { /* If a struct is all zeros, as a special case
|
|
|
775 * set it's initializer to the integer 0.
|
|
|
776 * In AssignExp::toElem(), we check for this and issue
|
|
|
777 * a memset() to initialize the struct.
|
|
|
778 * Must do same check in interpreter.
|
|
|
779 */
|
|
1
|
780 Expression *e = new IntegerExp(loc, 0, Type::tint32);
|
|
|
781 Expression *e1;
|
|
|
782 e1 = new VarExp(loc, this);
|
|
|
783 e = new AssignExp(loc, e1, e);
|
|
|
784 e->type = e1->type;
|
|
|
785 init = new ExpInitializer(loc, e/*->type->defaultInit()*/);
|
|
|
786 return;
|
|
|
787 }
|
|
|
788 else if (type->ty == Ttypedef)
|
|
|
789 { TypeTypedef *td = (TypeTypedef *)type;
|
|
|
790 if (td->sym->init)
|
|
|
791 { init = td->sym->init;
|
|
|
792 ExpInitializer *ie = init->isExpInitializer();
|
|
|
793 if (ie)
|
|
|
794 // Make copy so we can modify it
|
|
|
795 init = new ExpInitializer(ie->loc, ie->exp);
|
|
|
796 }
|
|
|
797 else
|
|
|
798 init = getExpInitializer();
|
|
|
799 }
|
|
|
800 else
|
|
|
801 {
|
|
|
802 init = getExpInitializer();
|
|
|
803 }
|
|
|
804 }
|
|
|
805
|
|
|
806 if (init)
|
|
|
807 {
|
|
|
808 ArrayInitializer *ai = init->isArrayInitializer();
|
|
19
|
809 if (ai && tb->ty == Taarray)
|
|
1
|
810 {
|
|
|
811 init = ai->toAssocArrayInitializer();
|
|
|
812 }
|
|
|
813
|
|
19
|
814 StructInitializer *si = init->isStructInitializer();
|
|
1
|
815 ExpInitializer *ei = init->isExpInitializer();
|
|
|
816
|
|
|
817 // See if we can allocate on the stack
|
|
|
818 if (ei && isScope() && ei->exp->op == TOKnew)
|
|
|
819 { NewExp *ne = (NewExp *)ei->exp;
|
|
|
820 if (!(ne->newargs && ne->newargs->dim))
|
|
|
821 { ne->onstack = 1;
|
|
|
822 onstack = 1;
|
|
|
823 if (type->isBaseOf(ne->newtype->semantic(loc, sc), NULL))
|
|
|
824 onstack = 2;
|
|
|
825 }
|
|
|
826 }
|
|
|
827
|
|
|
828 // If inside function, there is no semantic3() call
|
|
|
829 if (sc->func)
|
|
|
830 {
|
|
|
831 // If local variable, use AssignExp to handle all the various
|
|
|
832 // possibilities.
|
|
|
833 if (fd && !isStatic() && !isConst() && !init->isVoidInitializer())
|
|
|
834 {
|
|
|
835 Expression *e1;
|
|
|
836 Type *t;
|
|
|
837 int dim;
|
|
|
838
|
|
|
839 //printf("fd = '%s', var = '%s'\n", fd->toChars(), toChars());
|
|
|
840 if (!ei)
|
|
|
841 {
|
|
|
842 Expression *e = init->toExpression();
|
|
|
843 if (!e)
|
|
|
844 {
|
|
|
845 init = init->semantic(sc, type);
|
|
|
846 e = init->toExpression();
|
|
|
847 if (!e)
|
|
|
848 { error("is not a static and cannot have static initializer");
|
|
|
849 return;
|
|
|
850 }
|
|
|
851 }
|
|
|
852 ei = new ExpInitializer(init->loc, e);
|
|
|
853 init = ei;
|
|
|
854 }
|
|
|
855
|
|
|
856 e1 = new VarExp(loc, this);
|
|
|
857
|
|
|
858 t = type->toBasetype();
|
|
|
859 if (t->ty == Tsarray)
|
|
|
860 {
|
|
|
861 dim = ((TypeSArray *)t)->dim->toInteger();
|
|
|
862 // If multidimensional static array, treat as one large array
|
|
|
863 while (1)
|
|
|
864 {
|
|
|
865 t = t->next->toBasetype();
|
|
|
866 if (t->ty != Tsarray)
|
|
|
867 break;
|
|
|
868 if (t->next->toBasetype()->ty == Tbit)
|
|
|
869 // t->size() gives size in bytes, convert to bits
|
|
|
870 dim *= t->size() * 8;
|
|
|
871 else
|
|
|
872 dim *= ((TypeSArray *)t)->dim->toInteger();
|
|
|
873 e1->type = new TypeSArray(t->next, new IntegerExp(0, dim, Type::tindex));
|
|
|
874 }
|
|
|
875 e1 = new SliceExp(loc, e1, NULL, NULL);
|
|
|
876 }
|
|
|
877 else if (t->ty == Tstruct)
|
|
|
878 {
|
|
|
879 ei->exp = ei->exp->semantic(sc);
|
|
|
880 if (!ei->exp->implicitConvTo(type))
|
|
|
881 ei->exp = new CastExp(loc, ei->exp, type);
|
|
|
882 }
|
|
|
883 ei->exp = new AssignExp(loc, e1, ei->exp);
|
|
|
884 ei->exp->op = TOKconstruct;
|
|
|
885 canassign++;
|
|
|
886 ei->exp = ei->exp->semantic(sc);
|
|
|
887 canassign--;
|
|
|
888 ei->exp->optimize(WANTvalue);
|
|
|
889 }
|
|
|
890 else
|
|
|
891 {
|
|
|
892 init = init->semantic(sc, type);
|
|
|
893 if (fd && isConst() && !isStatic())
|
|
|
894 { // Make it static
|
|
|
895 storage_class |= STCstatic;
|
|
|
896 }
|
|
|
897 }
|
|
|
898 }
|
|
|
899 else if (isConst() || isFinal())
|
|
|
900 {
|
|
|
901 /* Because we may need the results of a const declaration in a
|
|
|
902 * subsequent type, such as an array dimension, before semantic2()
|
|
|
903 * gets ordinarily run, try to run semantic2() now.
|
|
|
904 * Ignore failure.
|
|
|
905 */
|
|
|
906
|
|
19
|
907 if (!global.errors && !inferred)
|
|
1
|
908 {
|
|
|
909 unsigned errors = global.errors;
|
|
|
910 global.gag++;
|
|
|
911 //printf("+gag\n");
|
|
19
|
912 Expression *e;
|
|
|
913 Initializer *i2 = init;
|
|
1
|
914 inuse++;
|
|
19
|
915 if (ei)
|
|
|
916 {
|
|
|
917 e = ei->exp->syntaxCopy();
|
|
|
918 e = e->semantic(sc);
|
|
|
919 e = e->implicitCastTo(sc, type);
|
|
|
920 }
|
|
|
921 else if (si || ai)
|
|
|
922 { i2 = init->syntaxCopy();
|
|
|
923 i2 = i2->semantic(sc, type);
|
|
|
924 }
|
|
1
|
925 inuse--;
|
|
|
926 global.gag--;
|
|
|
927 //printf("-gag\n");
|
|
|
928 if (errors != global.errors) // if errors happened
|
|
|
929 {
|
|
|
930 if (global.gag == 0)
|
|
|
931 global.errors = errors; // act as if nothing happened
|
|
|
932 }
|
|
19
|
933 else if (ei)
|
|
1
|
934 {
|
|
|
935 e = e->optimize(WANTvalue | WANTinterpret);
|
|
|
936 if (e->op == TOKint64 || e->op == TOKstring)
|
|
|
937 {
|
|
|
938 ei->exp = e; // no errors, keep result
|
|
|
939 }
|
|
|
940 }
|
|
19
|
941 else
|
|
|
942 init = i2; // no errors, keep result
|
|
1
|
943 }
|
|
|
944 }
|
|
|
945 }
|
|
|
946 }
|
|
|
947
|
|
|
948 ExpInitializer *VarDeclaration::getExpInitializer()
|
|
|
949 {
|
|
|
950 ExpInitializer *ei;
|
|
|
951
|
|
|
952 if (init)
|
|
|
953 ei = init->isExpInitializer();
|
|
|
954 else
|
|
|
955 {
|
|
|
956 Expression *e = type->defaultInit();
|
|
|
957 if (e)
|
|
|
958 ei = new ExpInitializer(loc, e);
|
|
|
959 else
|
|
|
960 ei = NULL;
|
|
|
961 }
|
|
|
962 return ei;
|
|
|
963 }
|
|
|
964
|
|
|
965 void VarDeclaration::semantic2(Scope *sc)
|
|
|
966 {
|
|
|
967 //printf("VarDeclaration::semantic2('%s')\n", toChars());
|
|
|
968 if (init && !toParent()->isFuncDeclaration())
|
|
|
969 { inuse++;
|
|
|
970 #if 0
|
|
|
971 ExpInitializer *ei = init->isExpInitializer();
|
|
|
972 if (ei)
|
|
|
973 {
|
|
|
974 ei->exp->dump(0);
|
|
|
975 printf("type = %p\n", ei->exp->type);
|
|
|
976 }
|
|
|
977 #endif
|
|
|
978 init = init->semantic(sc, type);
|
|
|
979 inuse--;
|
|
|
980 }
|
|
|
981 }
|
|
|
982
|
|
|
983 char *VarDeclaration::kind()
|
|
|
984 {
|
|
|
985 return "variable";
|
|
|
986 }
|
|
|
987
|
|
|
988 Dsymbol *VarDeclaration::toAlias()
|
|
|
989 {
|
|
|
990 //printf("VarDeclaration::toAlias('%s', this = %p, aliassym = %p)\n", toChars(), this, aliassym);
|
|
|
991 assert(this != aliassym);
|
|
|
992 Dsymbol *s = aliassym ? aliassym->toAlias() : this;
|
|
|
993 return s;
|
|
|
994 }
|
|
|
995
|
|
|
996 void VarDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
997 {
|
|
|
998 if (storage_class & STCconst)
|
|
|
999 buf->writestring("const ");
|
|
|
1000 if (storage_class & STCstatic)
|
|
|
1001 buf->writestring("static ");
|
|
|
1002 if (type)
|
|
|
1003 type->toCBuffer(buf, ident, hgs);
|
|
|
1004 else
|
|
|
1005 buf->writestring(ident->toChars());
|
|
|
1006 if (init)
|
|
|
1007 { buf->writestring(" = ");
|
|
|
1008 init->toCBuffer(buf, hgs);
|
|
|
1009 }
|
|
|
1010 buf->writeByte(';');
|
|
|
1011 buf->writenl();
|
|
|
1012 }
|
|
|
1013
|
|
|
1014 int VarDeclaration::needThis()
|
|
|
1015 {
|
|
|
1016 //printf("VarDeclaration::needThis(%s, x%x)\n", toChars(), storage_class);
|
|
|
1017 return storage_class & STCfield;
|
|
|
1018 }
|
|
|
1019
|
|
|
1020 int VarDeclaration::isImportedSymbol()
|
|
|
1021 {
|
|
|
1022 if (protection == PROTexport && !init && (isStatic() || isConst() || parent->isModule()))
|
|
|
1023 return TRUE;
|
|
|
1024 return FALSE;
|
|
|
1025 }
|
|
|
1026
|
|
|
1027 void VarDeclaration::checkCtorConstInit()
|
|
|
1028 {
|
|
|
1029 if (ctorinit == 0 && isCtorinit() && !(storage_class & STCfield))
|
|
|
1030 error("missing initializer in static constructor for const variable");
|
|
|
1031 }
|
|
|
1032
|
|
|
1033 /************************************
|
|
|
1034 * Check to see if variable is a reference to an enclosing function
|
|
|
1035 * or not.
|
|
|
1036 */
|
|
|
1037
|
|
|
1038 void VarDeclaration::checkNestedReference(Scope *sc, Loc loc)
|
|
|
1039 {
|
|
|
1040 if (!isDataseg() && parent != sc->parent && parent)
|
|
|
1041 {
|
|
|
1042 FuncDeclaration *fdv = toParent()->isFuncDeclaration();
|
|
|
1043 FuncDeclaration *fdthis = sc->parent->isFuncDeclaration();
|
|
|
1044
|
|
|
1045 if (fdv && fdthis)
|
|
|
1046 {
|
|
|
1047 if (loc.filename)
|
|
|
1048 fdthis->getLevel(loc, fdv);
|
|
|
1049 nestedref = 1;
|
|
|
1050 fdv->nestedFrameRef = 1;
|
|
|
1051 //printf("var %s in function %s is nested ref\n", toChars(), fdv->toChars());
|
|
|
1052 }
|
|
|
1053 }
|
|
|
1054 }
|
|
|
1055
|
|
|
1056 /*******************************
|
|
|
1057 * Does symbol go into data segment?
|
|
|
1058 */
|
|
|
1059
|
|
|
1060 int VarDeclaration::isDataseg()
|
|
|
1061 {
|
|
|
1062 #if 0
|
|
|
1063 printf("VarDeclaration::isDataseg(%p, '%s')\n", this, toChars());
|
|
|
1064 printf("%x, %p, %p\n", storage_class & (STCstatic | STCconst), parent->isModule(), parent->isTemplateInstance());
|
|
|
1065 printf("parent = '%s'\n", parent->toChars());
|
|
|
1066 #endif
|
|
|
1067 Dsymbol *parent = this->toParent();
|
|
|
1068 if (!parent && !(storage_class & (STCstatic | STCconst)))
|
|
|
1069 { error("forward referenced");
|
|
|
1070 type = Type::terror;
|
|
|
1071 return 0;
|
|
|
1072 }
|
|
|
1073 return (storage_class & (STCstatic | STCconst) ||
|
|
|
1074 parent->isModule() ||
|
|
|
1075 parent->isTemplateInstance());
|
|
|
1076 }
|
|
|
1077
|
|
|
1078 int VarDeclaration::hasPointers()
|
|
|
1079 {
|
|
|
1080 return (!isDataseg() && type->hasPointers());
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 /******************************************
|
|
|
1084 * If a variable has an auto destructor call, return call for it.
|
|
|
1085 * Otherwise, return NULL.
|
|
|
1086 */
|
|
|
1087
|
|
|
1088 Expression *VarDeclaration::callAutoDtor()
|
|
|
1089 { Expression *e = NULL;
|
|
|
1090
|
|
|
1091 if (storage_class & (STCauto | STCscope) && !noauto)
|
|
|
1092 {
|
|
|
1093 for (ClassDeclaration *cd = type->isClassHandle();
|
|
|
1094 cd;
|
|
|
1095 cd = cd->baseClass)
|
|
|
1096 {
|
|
|
1097 /* We can do better if there's a way with onstack
|
|
|
1098 * classes to determine if there's no way the monitor
|
|
|
1099 * could be set.
|
|
|
1100 */
|
|
|
1101 if (1 || onstack || cd->dtors.dim) // if any destructors
|
|
|
1102 {
|
|
|
1103 // delete this;
|
|
|
1104 Expression *ec;
|
|
|
1105
|
|
|
1106 ec = new VarExp(loc, this);
|
|
|
1107 e = new DeleteExp(loc, ec);
|
|
|
1108 e->type = Type::tvoid;
|
|
|
1109 break;
|
|
|
1110 }
|
|
|
1111 }
|
|
|
1112 }
|
|
|
1113 return e;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116
|
|
|
1117 /********************************* ClassInfoDeclaration ****************************/
|
|
|
1118
|
|
|
1119 ClassInfoDeclaration::ClassInfoDeclaration(ClassDeclaration *cd)
|
|
|
1120 : VarDeclaration(0, ClassDeclaration::classinfo->type, cd->ident, NULL)
|
|
|
1121 {
|
|
|
1122 this->cd = cd;
|
|
|
1123 storage_class = STCstatic;
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 Dsymbol *ClassInfoDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1127 {
|
|
|
1128 assert(0); // should never be produced by syntax
|
|
|
1129 return NULL;
|
|
|
1130 }
|
|
|
1131
|
|
|
1132 void ClassInfoDeclaration::semantic(Scope *sc)
|
|
|
1133 {
|
|
|
1134 }
|
|
|
1135
|
|
|
1136 /********************************* ModuleInfoDeclaration ****************************/
|
|
|
1137
|
|
|
1138 ModuleInfoDeclaration::ModuleInfoDeclaration(Module *mod)
|
|
|
1139 : VarDeclaration(0, Module::moduleinfo->type, mod->ident, NULL)
|
|
|
1140 {
|
|
|
1141 this->mod = mod;
|
|
|
1142 storage_class = STCstatic;
|
|
|
1143 }
|
|
|
1144
|
|
|
1145 Dsymbol *ModuleInfoDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1146 {
|
|
|
1147 assert(0); // should never be produced by syntax
|
|
|
1148 return NULL;
|
|
|
1149 }
|
|
|
1150
|
|
|
1151 void ModuleInfoDeclaration::semantic(Scope *sc)
|
|
|
1152 {
|
|
|
1153 }
|
|
|
1154
|
|
|
1155 /********************************* TypeInfoDeclaration ****************************/
|
|
|
1156
|
|
|
1157 TypeInfoDeclaration::TypeInfoDeclaration(Type *tinfo, int internal)
|
|
|
1158 : VarDeclaration(0, Type::typeinfo->type, tinfo->getTypeInfoIdent(internal), NULL)
|
|
|
1159 {
|
|
|
1160 this->tinfo = tinfo;
|
|
|
1161 storage_class = STCstatic;
|
|
|
1162 protection = PROTpublic;
|
|
|
1163 linkage = LINKc;
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 Dsymbol *TypeInfoDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1167 {
|
|
|
1168 assert(0); // should never be produced by syntax
|
|
|
1169 return NULL;
|
|
|
1170 }
|
|
|
1171
|
|
|
1172 void TypeInfoDeclaration::semantic(Scope *sc)
|
|
|
1173 {
|
|
|
1174 assert(linkage == LINKc);
|
|
|
1175 }
|
|
|
1176
|
|
|
1177 /***************************** TypeInfoStructDeclaration **********************/
|
|
|
1178
|
|
|
1179 TypeInfoStructDeclaration::TypeInfoStructDeclaration(Type *tinfo)
|
|
|
1180 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1181 {
|
|
|
1182 }
|
|
|
1183
|
|
|
1184 /***************************** TypeInfoClassDeclaration ***********************/
|
|
|
1185
|
|
|
1186 TypeInfoClassDeclaration::TypeInfoClassDeclaration(Type *tinfo)
|
|
|
1187 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1188 {
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 /***************************** TypeInfoInterfaceDeclaration *******************/
|
|
|
1192
|
|
|
1193 TypeInfoInterfaceDeclaration::TypeInfoInterfaceDeclaration(Type *tinfo)
|
|
|
1194 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1195 {
|
|
|
1196 }
|
|
|
1197
|
|
|
1198 /***************************** TypeInfoTypedefDeclaration *********************/
|
|
|
1199
|
|
|
1200 TypeInfoTypedefDeclaration::TypeInfoTypedefDeclaration(Type *tinfo)
|
|
|
1201 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1202 {
|
|
|
1203 }
|
|
|
1204
|
|
|
1205 /***************************** TypeInfoPointerDeclaration *********************/
|
|
|
1206
|
|
|
1207 TypeInfoPointerDeclaration::TypeInfoPointerDeclaration(Type *tinfo)
|
|
|
1208 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1209 {
|
|
|
1210 }
|
|
|
1211
|
|
|
1212 /***************************** TypeInfoArrayDeclaration ***********************/
|
|
|
1213
|
|
|
1214 TypeInfoArrayDeclaration::TypeInfoArrayDeclaration(Type *tinfo)
|
|
|
1215 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1216 {
|
|
|
1217 }
|
|
|
1218
|
|
|
1219 /***************************** TypeInfoStaticArrayDeclaration *****************/
|
|
|
1220
|
|
|
1221 TypeInfoStaticArrayDeclaration::TypeInfoStaticArrayDeclaration(Type *tinfo)
|
|
|
1222 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1223 {
|
|
|
1224 }
|
|
|
1225
|
|
|
1226 /***************************** TypeInfoAssociativeArrayDeclaration ************/
|
|
|
1227
|
|
|
1228 TypeInfoAssociativeArrayDeclaration::TypeInfoAssociativeArrayDeclaration(Type *tinfo)
|
|
|
1229 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1230 {
|
|
|
1231 }
|
|
|
1232
|
|
|
1233 /***************************** TypeInfoEnumDeclaration ***********************/
|
|
|
1234
|
|
|
1235 TypeInfoEnumDeclaration::TypeInfoEnumDeclaration(Type *tinfo)
|
|
|
1236 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1237 {
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 /***************************** TypeInfoFunctionDeclaration ********************/
|
|
|
1241
|
|
|
1242 TypeInfoFunctionDeclaration::TypeInfoFunctionDeclaration(Type *tinfo)
|
|
|
1243 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1244 {
|
|
|
1245 }
|
|
|
1246
|
|
|
1247 /***************************** TypeInfoDelegateDeclaration ********************/
|
|
|
1248
|
|
|
1249 TypeInfoDelegateDeclaration::TypeInfoDelegateDeclaration(Type *tinfo)
|
|
|
1250 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1251 {
|
|
|
1252 }
|
|
|
1253
|
|
|
1254 /***************************** TypeInfoTupleDeclaration **********************/
|
|
|
1255
|
|
|
1256 TypeInfoTupleDeclaration::TypeInfoTupleDeclaration(Type *tinfo)
|
|
|
1257 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1258 {
|
|
|
1259 }
|
|
|
1260
|
|
|
1261 /********************************* ThisDeclaration ****************************/
|
|
|
1262
|
|
|
1263 // For the "this" parameter to member functions
|
|
|
1264
|
|
|
1265 ThisDeclaration::ThisDeclaration(Type *t)
|
|
|
1266 : VarDeclaration(0, t, Id::This, NULL)
|
|
|
1267 {
|
|
|
1268 noauto = 1;
|
|
|
1269 }
|
|
|
1270
|
|
|
1271 Dsymbol *ThisDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1272 {
|
|
|
1273 assert(0); // should never be produced by syntax
|
|
|
1274 return NULL;
|
|
|
1275 }
|
|
|
1276
|
|
|
1277
|
