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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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40
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34 linkage = LINKdefault;
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35 llvmTouched = false;
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1
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36 }
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37
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38 void Declaration::semantic(Scope *sc)
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39 {
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40 }
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41
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42 char *Declaration::kind()
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43 {
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44 return "declaration";
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45 }
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46
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47 unsigned Declaration::size(Loc loc)
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48 {
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49 assert(type);
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50 return type->size();
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51 }
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52
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53 int Declaration::isStaticConstructor()
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54 {
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55 return FALSE;
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56 }
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57
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58 int Declaration::isStaticDestructor()
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59 {
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60 return FALSE;
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61 }
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62
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63 int Declaration::isDelete()
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64 {
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65 return FALSE;
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66 }
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67
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68 int Declaration::isDataseg()
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69 {
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70 return FALSE;
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71 }
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72
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73 int Declaration::isCodeseg()
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74 {
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75 return FALSE;
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76 }
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77
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78 enum PROT Declaration::prot()
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79 {
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80 return protection;
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81 }
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82
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83 /********************************* TupleDeclaration ****************************/
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84
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85 TupleDeclaration::TupleDeclaration(Loc loc, Identifier *id, Objects *objects)
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86 : Declaration(id)
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87 {
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88 this->type = NULL;
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89 this->objects = objects;
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90 this->isexp = 0;
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91 this->tupletype = NULL;
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92 }
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93
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94 Dsymbol *TupleDeclaration::syntaxCopy(Dsymbol *s)
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95 {
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96 assert(0);
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97 return NULL;
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98 }
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99
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100 char *TupleDeclaration::kind()
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101 {
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102 return "tuple";
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103 }
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104
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105 Type *TupleDeclaration::getType()
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106 {
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107 /* If this tuple represents a type, return that type
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108 */
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109
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110 //printf("TupleDeclaration::getType() %s\n", toChars());
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111 if (isexp)
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112 return NULL;
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113 if (!tupletype)
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114 {
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115 /* It's only a type tuple if all the Object's are types
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116 */
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117 for (size_t i = 0; i < objects->dim; i++)
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118 { Object *o = (Object *)objects->data[i];
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119
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120 if (o->dyncast() != DYNCAST_TYPE)
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121 {
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122 //printf("\tnot[%d], %p, %d\n", i, o, o->dyncast());
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123 return NULL;
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124 }
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125 }
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126
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127 /* We know it's a type tuple, so build the TypeTuple
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128 */
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129 Arguments *args = new Arguments();
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130 args->setDim(objects->dim);
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131 OutBuffer buf;
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132 for (size_t i = 0; i < objects->dim; i++)
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133 { Type *t = (Type *)objects->data[i];
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134
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135 //printf("type = %s\n", t->toChars());
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136 #if 0
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137 buf.printf("_%s_%d", ident->toChars(), i);
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138 char *name = (char *)buf.extractData();
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139 Identifier *id = new Identifier(name, TOKidentifier);
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140 Argument *arg = new Argument(STCin, t, id, NULL);
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141 #else
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142 Argument *arg = new Argument(STCin, t, NULL, NULL);
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143 #endif
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144 args->data[i] = (void *)arg;
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145 }
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146
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147 tupletype = new TypeTuple(args);
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148 }
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149
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150 return tupletype;
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151 }
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152
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153 int TupleDeclaration::needThis()
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154 {
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155 //printf("TupleDeclaration::needThis(%s)\n", toChars());
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156 for (size_t i = 0; i < objects->dim; i++)
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157 { Object *o = (Object *)objects->data[i];
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158 if (o->dyncast() == DYNCAST_EXPRESSION)
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159 { Expression *e = (Expression *)o;
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160 if (e->op == TOKdsymbol)
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161 { DsymbolExp *ve = (DsymbolExp *)e;
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162 Declaration *d = ve->s->isDeclaration();
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163 if (d && d->needThis())
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164 {
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165 return 1;
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166 }
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167 }
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168 }
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169 }
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170 return 0;
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171 }
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172
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173 /********************************* TypedefDeclaration ****************************/
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174
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175 TypedefDeclaration::TypedefDeclaration(Loc loc, Identifier *id, Type *basetype, Initializer *init)
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176 : Declaration(id)
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177 {
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178 this->type = new TypeTypedef(this);
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179 this->basetype = basetype->toBasetype();
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180 this->init = init;
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181 #ifdef _DH
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182 this->htype = NULL;
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183 this->hbasetype = NULL;
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184 #endif
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185 this->sem = 0;
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186 this->inuse = 0;
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187 this->loc = loc;
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188 this->sinit = NULL;
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189 }
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190
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191 Dsymbol *TypedefDeclaration::syntaxCopy(Dsymbol *s)
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192 {
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193 Type *basetype = this->basetype->syntaxCopy();
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194
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195 Initializer *init = NULL;
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196 if (this->init)
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197 init = this->init->syntaxCopy();
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198
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199 assert(!s);
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200 TypedefDeclaration *st;
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201 st = new TypedefDeclaration(loc, ident, basetype, init);
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202 #ifdef _DH
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203 // Syntax copy for header file
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204 if (!htype) // Don't overwrite original
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205 { if (type) // Make copy for both old and new instances
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206 { htype = type->syntaxCopy();
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207 st->htype = type->syntaxCopy();
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208 }
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209 }
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210 else // Make copy of original for new instance
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211 st->htype = htype->syntaxCopy();
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212 if (!hbasetype)
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213 { if (basetype)
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214 { hbasetype = basetype->syntaxCopy();
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215 st->hbasetype = basetype->syntaxCopy();
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216 }
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217 }
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218 else
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219 st->hbasetype = hbasetype->syntaxCopy();
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220 #endif
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221 return st;
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222 }
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223
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224 void TypedefDeclaration::semantic(Scope *sc)
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225 {
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226 //printf("TypedefDeclaration::semantic(%s) sem = %d\n", toChars(), sem);
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227 if (sem == 0)
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228 { sem = 1;
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229 basetype = basetype->semantic(loc, sc);
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230 sem = 2;
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231 type = type->semantic(loc, sc);
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232 if (sc->parent->isFuncDeclaration() && init)
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233 semantic2(sc);
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234 }
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235 else if (sem == 1)
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236 {
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237 error("circular definition");
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238 }
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239 }
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240
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241 void TypedefDeclaration::semantic2(Scope *sc)
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242 {
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243 //printf("TypedefDeclaration::semantic2(%s) sem = %d\n", toChars(), sem);
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244 if (sem == 2)
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245 { sem = 3;
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246 if (init)
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247 {
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248 init = init->semantic(sc, basetype);
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249
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250 ExpInitializer *ie = init->isExpInitializer();
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251 if (ie)
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252 {
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253 if (ie->exp->type == basetype)
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254 ie->exp->type = type;
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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
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260 char *TypedefDeclaration::kind()
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261 {
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262 return "typedef";
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263 }
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264
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265 Type *TypedefDeclaration::getType()
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266 {
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267 return type;
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268 }
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269
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270 void TypedefDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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271 {
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272 buf->writestring("typedef ");
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273 basetype->toCBuffer(buf, ident, hgs);
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274 if (init)
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275 {
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276 buf->writestring(" = ");
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277 init->toCBuffer(buf, hgs);
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278 }
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279 buf->writeByte(';');
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280 buf->writenl();
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281 }
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282
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283 /********************************* AliasDeclaration ****************************/
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284
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285 AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Type *type)
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286 : Declaration(id)
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287 {
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288 //printf("AliasDeclaration(id = '%s', type = %p)\n", id->toChars(), type);
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289 //printf("type = '%s'\n", type->toChars());
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290 this->loc = loc;
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291 this->type = type;
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292 this->aliassym = NULL;
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293 #ifdef _DH
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294 this->htype = NULL;
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295 this->haliassym = NULL;
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296 #endif
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297 this->overnext = NULL;
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298 this->inSemantic = 0;
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299 assert(type);
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300 }
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301
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302 AliasDeclaration::AliasDeclaration(Loc loc, Identifier *id, Dsymbol *s)
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303 : Declaration(id)
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304 {
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305 //printf("AliasDeclaration(id = '%s', s = %p)\n", id->toChars(), s);
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306 assert(s != this);
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307 this->loc = loc;
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308 this->type = NULL;
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309 this->aliassym = s;
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310 #ifdef _DH
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311 this->htype = NULL;
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312 this->haliassym = NULL;
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313 #endif
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314 this->overnext = NULL;
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315 this->inSemantic = 0;
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316 assert(s);
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317 }
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318
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319 Dsymbol *AliasDeclaration::syntaxCopy(Dsymbol *s)
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320 {
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321 assert(!s);
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322 AliasDeclaration *sa;
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323 if (type)
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324 sa = new AliasDeclaration(loc, ident, type->syntaxCopy());
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325 else
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326 sa = new AliasDeclaration(loc, ident, aliassym->syntaxCopy(NULL));
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327 #ifdef _DH
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328 // Syntax copy for header file
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329 if (!htype) // Don't overwrite original
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330 { if (type) // Make copy for both old and new instances
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331 { htype = type->syntaxCopy();
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332 sa->htype = type->syntaxCopy();
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333 }
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334 }
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335 else // Make copy of original for new instance
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336 sa->htype = htype->syntaxCopy();
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337 if (!haliassym)
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338 { if (aliassym)
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339 { haliassym = aliassym->syntaxCopy(s);
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340 sa->haliassym = aliassym->syntaxCopy(s);
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341 }
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342 }
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343 else
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344 sa->haliassym = haliassym->syntaxCopy(s);
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345 #endif
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346 return sa;
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347 }
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348
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349 void AliasDeclaration::semantic(Scope *sc)
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350 {
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351 //printf("AliasDeclaration::semantic() %s\n", toChars());
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352 if (aliassym)
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353 {
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354 if (aliassym->isTemplateInstance())
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355 aliassym->semantic(sc);
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356 return;
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357 }
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358 this->inSemantic = 1;
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359
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360 if (storage_class & STCconst)
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361 error("cannot be const");
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362
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363 storage_class |= sc->stc & STCdeprecated;
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364
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365 // Given:
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366 // alias foo.bar.abc def;
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367 // it is not knowable from the syntax whether this is an alias
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368 // for a type or an alias for a symbol. It is up to the semantic()
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369 // pass to distinguish.
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370 // If it is a type, then type is set and getType() will return that
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371 // type. If it is a symbol, then aliassym is set and type is NULL -
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372 // toAlias() will return aliasssym.
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373
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374 Dsymbol *s;
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375 Type *t;
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376 Expression *e;
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377
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378 /* This section is needed because resolve() will:
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379 * const x = 3;
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380 * alias x y;
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381 * try to alias y to 3.
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382 */
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383 s = type->toDsymbol(sc);
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384 if (s)
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385 goto L2; // it's a symbolic alias
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386
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387 //printf("alias type is %s\n", type->toChars());
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388 type->resolve(loc, sc, &e, &t, &s);
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389 if (s)
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390 {
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391 goto L2;
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392 }
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393 else if (e)
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394 {
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395 // Try to convert Expression to Dsymbol
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396 if (e->op == TOKvar)
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397 { s = ((VarExp *)e)->var;
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398 goto L2;
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399 }
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400 else if (e->op == TOKfunction)
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401 { s = ((FuncExp *)e)->fd;
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402 goto L2;
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403 }
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404 else
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405 { error("cannot alias an expression %s", e->toChars());
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406 t = e->type;
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407 }
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408 }
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409 else if (t)
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410 type = t;
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411 if (overnext)
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412 ScopeDsymbol::multiplyDefined(0, this, overnext);
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413 this->inSemantic = 0;
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414 return;
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415
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416 L2:
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417 //printf("alias is a symbol %s %s\n", s->kind(), s->toChars());
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418 type = NULL;
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419 VarDeclaration *v = s->isVarDeclaration();
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420 if (v && v->linkage == LINKdefault)
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421 {
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422 error("forward reference of %s", v->toChars());
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423 s = NULL;
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424 }
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425 else
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426 {
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427 FuncDeclaration *f = s->toAlias()->isFuncDeclaration();
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428 if (f)
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429 {
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430 if (overnext)
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431 {
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432 FuncAliasDeclaration *fa = new FuncAliasDeclaration(f);
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433 if (!fa->overloadInsert(overnext))
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434 ScopeDsymbol::multiplyDefined(0, f, overnext);
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435 overnext = NULL;
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436 s = fa;
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437 s->parent = sc->parent;
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438 }
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439 }
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440 if (overnext)
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441 ScopeDsymbol::multiplyDefined(0, s, overnext);
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442 if (s == this)
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443 {
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444 assert(global.errors);
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445 s = NULL;
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446 }
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447 }
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448 aliassym = s;
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449 this->inSemantic = 0;
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450 }
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451
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452 int AliasDeclaration::overloadInsert(Dsymbol *s)
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453 {
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|
|
454 /* Don't know yet what the aliased symbol is, so assume it can
|
|
|
455 * be overloaded and check later for correctness.
|
|
|
456 */
|
|
|
457
|
|
|
458 //printf("AliasDeclaration::overloadInsert('%s')\n", s->toChars());
|
|
|
459 if (overnext == NULL)
|
|
|
460 { overnext = s;
|
|
|
461 return TRUE;
|
|
|
462 }
|
|
|
463 else
|
|
|
464 {
|
|
|
465 return overnext->overloadInsert(s);
|
|
|
466 }
|
|
|
467 }
|
|
|
468
|
|
|
469 char *AliasDeclaration::kind()
|
|
|
470 {
|
|
|
471 return "alias";
|
|
|
472 }
|
|
|
473
|
|
|
474 Type *AliasDeclaration::getType()
|
|
|
475 {
|
|
|
476 return type;
|
|
|
477 }
|
|
|
478
|
|
|
479 Dsymbol *AliasDeclaration::toAlias()
|
|
|
480 {
|
|
|
481 //printf("AliasDeclaration::toAlias('%s', this = %p, aliassym = %p, kind = '%s')\n", toChars(), this, aliassym, aliassym ? aliassym->kind() : "");
|
|
|
482 assert(this != aliassym);
|
|
|
483 //static int count; if (++count == 10) *(char*)0=0;
|
|
|
484 if (inSemantic)
|
|
|
485 { error("recursive alias declaration");
|
|
|
486 // return this;
|
|
|
487 }
|
|
|
488 Dsymbol *s = aliassym ? aliassym->toAlias() : this;
|
|
|
489 return s;
|
|
|
490 }
|
|
|
491
|
|
|
492 void AliasDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
493 {
|
|
|
494 buf->writestring("alias ");
|
|
|
495 #if 0 && _DH
|
|
|
496 if (hgs->hdrgen)
|
|
|
497 {
|
|
|
498 if (haliassym)
|
|
|
499 {
|
|
|
500 haliassym->toCBuffer(buf, hgs);
|
|
|
501 buf->writeByte(' ');
|
|
|
502 buf->writestring(ident->toChars());
|
|
|
503 }
|
|
|
504 else
|
|
|
505 htype->toCBuffer(buf, ident, hgs);
|
|
|
506 }
|
|
|
507 else
|
|
|
508 #endif
|
|
|
509 {
|
|
|
510 if (aliassym)
|
|
|
511 {
|
|
|
512 aliassym->toCBuffer(buf, hgs);
|
|
|
513 buf->writeByte(' ');
|
|
|
514 buf->writestring(ident->toChars());
|
|
|
515 }
|
|
|
516 else
|
|
|
517 type->toCBuffer(buf, ident, hgs);
|
|
|
518 }
|
|
|
519 buf->writeByte(';');
|
|
|
520 buf->writenl();
|
|
|
521 }
|
|
|
522
|
|
|
523 /********************************* VarDeclaration ****************************/
|
|
|
524
|
|
|
525 VarDeclaration::VarDeclaration(Loc loc, Type *type, Identifier *id, Initializer *init)
|
|
|
526 : Declaration(id)
|
|
|
527 {
|
|
|
528 //printf("VarDeclaration('%s')\n", id->toChars());
|
|
|
529 #ifdef DEBUG
|
|
|
530 if (!type && !init)
|
|
|
531 { printf("VarDeclaration('%s')\n", id->toChars());
|
|
|
532 //*(char*)0=0;
|
|
|
533 }
|
|
|
534 #endif
|
|
|
535 assert(type || init);
|
|
|
536 this->type = type;
|
|
|
537 this->init = init;
|
|
|
538 #ifdef _DH
|
|
|
539 this->htype = NULL;
|
|
|
540 this->hinit = NULL;
|
|
|
541 #endif
|
|
|
542 this->loc = loc;
|
|
|
543 offset = 0;
|
|
|
544 noauto = 0;
|
|
|
545 nestedref = 0;
|
|
|
546 inuse = 0;
|
|
|
547 ctorinit = 0;
|
|
|
548 aliassym = NULL;
|
|
|
549 onstack = 0;
|
|
|
550 canassign = 0;
|
|
|
551 value = NULL;
|
|
|
552 }
|
|
|
553
|
|
|
554 Dsymbol *VarDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
555 {
|
|
|
556 //printf("VarDeclaration::syntaxCopy(%s)\n", toChars());
|
|
|
557
|
|
|
558 VarDeclaration *sv;
|
|
|
559 if (s)
|
|
|
560 { sv = (VarDeclaration *)s;
|
|
|
561 }
|
|
|
562 else
|
|
|
563 {
|
|
|
564 Initializer *init = NULL;
|
|
|
565 if (this->init)
|
|
|
566 { init = this->init->syntaxCopy();
|
|
|
567 //init->isExpInitializer()->exp->print();
|
|
|
568 //init->isExpInitializer()->exp->dump(0);
|
|
|
569 }
|
|
|
570
|
|
|
571 sv = new VarDeclaration(loc, type ? type->syntaxCopy() : NULL, ident, init);
|
|
|
572 sv->storage_class = storage_class;
|
|
|
573 }
|
|
|
574 #ifdef _DH
|
|
|
575 // Syntax copy for header file
|
|
|
576 if (!htype) // Don't overwrite original
|
|
|
577 { if (type) // Make copy for both old and new instances
|
|
|
578 { htype = type->syntaxCopy();
|
|
|
579 sv->htype = type->syntaxCopy();
|
|
|
580 }
|
|
|
581 }
|
|
|
582 else // Make copy of original for new instance
|
|
|
583 sv->htype = htype->syntaxCopy();
|
|
|
584 if (!hinit)
|
|
|
585 { if (init)
|
|
|
586 { hinit = init->syntaxCopy();
|
|
|
587 sv->hinit = init->syntaxCopy();
|
|
|
588 }
|
|
|
589 }
|
|
|
590 else
|
|
|
591 sv->hinit = hinit->syntaxCopy();
|
|
|
592 #endif
|
|
|
593 return sv;
|
|
|
594 }
|
|
|
595
|
|
|
596 void VarDeclaration::semantic(Scope *sc)
|
|
|
597 {
|
|
|
598 //printf("VarDeclaration::semantic('%s', parent = '%s')\n", toChars(), sc->parent->toChars());
|
|
|
599 //printf("type = %s\n", type->toChars());
|
|
|
600 //printf("linkage = %d\n", sc->linkage);
|
|
|
601 //if (strcmp(toChars(), "mul") == 0) halt();
|
|
|
602
|
|
|
603 storage_class |= sc->stc;
|
|
|
604 if (storage_class & STCextern && init)
|
|
|
605 error("extern symbols cannot have initializers");
|
|
|
606
|
|
|
607 /* If auto type inference, do the inference
|
|
|
608 */
|
|
|
609 int inferred = 0;
|
|
|
610 if (!type)
|
|
|
611 { inuse++;
|
|
|
612 type = init->inferType(sc);
|
|
|
613 inuse--;
|
|
|
614 inferred = 1;
|
|
|
615
|
|
|
616 /* This is a kludge to support the existing syntax for RAII
|
|
|
617 * declarations.
|
|
|
618 */
|
|
|
619 storage_class &= ~STCauto;
|
|
|
620 }
|
|
|
621 else
|
|
|
622 type = type->semantic(loc, sc);
|
|
|
623
|
|
|
624 type->checkDeprecated(loc, sc);
|
|
|
625 linkage = sc->linkage;
|
|
|
626 this->parent = sc->parent;
|
|
|
627 //printf("this = %p, parent = %p, '%s'\n", this, parent, parent->toChars());
|
|
|
628 protection = sc->protection;
|
|
|
629 //printf("sc->stc = %x\n", sc->stc);
|
|
|
630 //printf("storage_class = %x\n", storage_class);
|
|
|
631
|
|
|
632 Dsymbol *parent = toParent();
|
|
|
633 FuncDeclaration *fd = parent->isFuncDeclaration();
|
|
|
634
|
|
|
635 Type *tb = type->toBasetype();
|
|
|
636 if (tb->ty == Tvoid && !(storage_class & STClazy))
|
|
|
637 { error("voids have no value");
|
|
|
638 type = Type::terror;
|
|
|
639 tb = type;
|
|
|
640 }
|
|
|
641 if (tb->ty == Tfunction)
|
|
|
642 { error("cannot be declared to be a function");
|
|
|
643 type = Type::terror;
|
|
|
644 tb = type;
|
|
|
645 }
|
|
|
646 if (tb->ty == Tstruct)
|
|
|
647 { TypeStruct *ts = (TypeStruct *)tb;
|
|
|
648
|
|
|
649 if (!ts->sym->members)
|
|
|
650 {
|
|
|
651 error("no definition of struct %s", ts->toChars());
|
|
|
652 }
|
|
|
653 }
|
|
|
654
|
|
|
655 if (tb->ty == Ttuple)
|
|
|
656 { /* Instead, declare variables for each of the tuple elements
|
|
|
657 * and add those.
|
|
|
658 */
|
|
|
659 TypeTuple *tt = (TypeTuple *)tb;
|
|
|
660 size_t nelems = Argument::dim(tt->arguments);
|
|
|
661 Objects *exps = new Objects();
|
|
|
662 exps->setDim(nelems);
|
|
|
663
|
|
|
664 for (size_t i = 0; i < nelems; i++)
|
|
|
665 { Argument *arg = Argument::getNth(tt->arguments, i);
|
|
|
666
|
|
|
667 OutBuffer buf;
|
|
|
668 buf.printf("_%s_field_%zu", ident->toChars(), i);
|
|
|
669 buf.writeByte(0);
|
|
|
670 char *name = (char *)buf.extractData();
|
|
|
671 Identifier *id = new Identifier(name, TOKidentifier);
|
|
|
672
|
|
|
673 VarDeclaration *v = new VarDeclaration(loc, arg->type, id, NULL);
|
|
|
674 //printf("declaring field %s of type %s\n", v->toChars(), v->type->toChars());
|
|
|
675 v->semantic(sc);
|
|
|
676
|
|
|
677 if (sc->scopesym)
|
|
|
678 { //printf("adding %s to %s\n", v->toChars(), sc->scopesym->toChars());
|
|
|
679 if (sc->scopesym->members)
|
|
|
680 sc->scopesym->members->push(v);
|
|
|
681 }
|
|
|
682
|
|
|
683 Expression *e = new DsymbolExp(loc, v);
|
|
|
684 exps->data[i] = e;
|
|
|
685 }
|
|
|
686 TupleDeclaration *v2 = new TupleDeclaration(loc, ident, exps);
|
|
|
687 v2->isexp = 1;
|
|
|
688 aliassym = v2;
|
|
|
689 return;
|
|
|
690 }
|
|
|
691
|
|
|
692 if (storage_class & STCconst && !init && !fd)
|
|
|
693 // Initialize by constructor only
|
|
|
694 storage_class = (storage_class & ~STCconst) | STCctorinit;
|
|
|
695
|
|
|
696 if (isConst())
|
|
|
697 {
|
|
|
698 }
|
|
|
699 else if (isStatic())
|
|
|
700 {
|
|
|
701 }
|
|
|
702 else if (isSynchronized())
|
|
|
703 {
|
|
|
704 error("variable %s cannot be synchronized", toChars());
|
|
|
705 }
|
|
|
706 else if (isOverride())
|
|
|
707 {
|
|
|
708 error("override cannot be applied to variable");
|
|
|
709 }
|
|
|
710 else if (isAbstract())
|
|
|
711 {
|
|
|
712 error("abstract cannot be applied to variable");
|
|
|
713 }
|
|
|
714 else if (storage_class & STCtemplateparameter)
|
|
|
715 {
|
|
|
716 }
|
|
|
717 else
|
|
|
718 {
|
|
|
719 AggregateDeclaration *aad = sc->anonAgg;
|
|
|
720 if (!aad)
|
|
|
721 aad = parent->isAggregateDeclaration();
|
|
|
722 if (aad)
|
|
|
723 {
|
|
|
724 aad->addField(sc, this);
|
|
|
725 }
|
|
|
726
|
|
|
727 InterfaceDeclaration *id = parent->isInterfaceDeclaration();
|
|
|
728 if (id)
|
|
|
729 {
|
|
|
730 error("field not allowed in interface");
|
|
|
731 }
|
|
|
732
|
|
|
733 TemplateInstance *ti = parent->isTemplateInstance();
|
|
|
734 if (ti)
|
|
|
735 {
|
|
|
736 // Take care of nested templates
|
|
|
737 while (1)
|
|
|
738 {
|
|
|
739 TemplateInstance *ti2 = ti->tempdecl->parent->isTemplateInstance();
|
|
|
740 if (!ti2)
|
|
|
741 break;
|
|
|
742 ti = ti2;
|
|
|
743 }
|
|
|
744
|
|
|
745 // If it's a member template
|
|
|
746 AggregateDeclaration *ad = ti->tempdecl->isMember();
|
|
|
747 if (ad && storage_class != STCundefined)
|
|
|
748 {
|
|
|
749 error("cannot use template to add field to aggregate '%s'", ad->toChars());
|
|
|
750 }
|
|
|
751 }
|
|
|
752 }
|
|
|
753
|
|
|
754 if (type->isauto() && !noauto)
|
|
|
755 {
|
|
|
756 if (storage_class & (STCfield | STCout | STCref | STCstatic) || !fd)
|
|
|
757 {
|
|
|
758 error("globals, statics, fields, ref and out parameters cannot be auto");
|
|
|
759 }
|
|
|
760
|
|
|
761 if (!(storage_class & (STCauto | STCscope)))
|
|
|
762 {
|
|
|
763 if (!(storage_class & STCparameter) && ident != Id::withSym)
|
|
|
764 error("reference to scope class must be scope");
|
|
|
765 }
|
|
|
766 }
|
|
|
767
|
|
|
768 if (!init && !sc->inunion && !isStatic() && !isConst() && fd &&
|
|
|
769 !(storage_class & (STCfield | STCin | STCforeach)))
|
|
|
770 {
|
|
|
771 // Provide a default initializer
|
|
|
772 //printf("Providing default initializer for '%s'\n", toChars());
|
|
|
773 if (type->ty == Tstruct &&
|
|
|
774 ((TypeStruct *)type)->sym->zeroInit == 1)
|
|
19
|
775 { /* If a struct is all zeros, as a special case
|
|
|
776 * set it's initializer to the integer 0.
|
|
|
777 * In AssignExp::toElem(), we check for this and issue
|
|
|
778 * a memset() to initialize the struct.
|
|
|
779 * Must do same check in interpreter.
|
|
|
780 */
|
|
1
|
781 Expression *e = new IntegerExp(loc, 0, Type::tint32);
|
|
|
782 Expression *e1;
|
|
|
783 e1 = new VarExp(loc, this);
|
|
|
784 e = new AssignExp(loc, e1, e);
|
|
|
785 e->type = e1->type;
|
|
|
786 init = new ExpInitializer(loc, e/*->type->defaultInit()*/);
|
|
|
787 return;
|
|
|
788 }
|
|
|
789 else if (type->ty == Ttypedef)
|
|
|
790 { TypeTypedef *td = (TypeTypedef *)type;
|
|
|
791 if (td->sym->init)
|
|
|
792 { init = td->sym->init;
|
|
|
793 ExpInitializer *ie = init->isExpInitializer();
|
|
|
794 if (ie)
|
|
|
795 // Make copy so we can modify it
|
|
|
796 init = new ExpInitializer(ie->loc, ie->exp);
|
|
|
797 }
|
|
|
798 else
|
|
|
799 init = getExpInitializer();
|
|
|
800 }
|
|
|
801 else
|
|
|
802 {
|
|
|
803 init = getExpInitializer();
|
|
|
804 }
|
|
|
805 }
|
|
|
806
|
|
|
807 if (init)
|
|
|
808 {
|
|
|
809 ArrayInitializer *ai = init->isArrayInitializer();
|
|
19
|
810 if (ai && tb->ty == Taarray)
|
|
1
|
811 {
|
|
|
812 init = ai->toAssocArrayInitializer();
|
|
|
813 }
|
|
|
814
|
|
19
|
815 StructInitializer *si = init->isStructInitializer();
|
|
1
|
816 ExpInitializer *ei = init->isExpInitializer();
|
|
|
817
|
|
|
818 // See if we can allocate on the stack
|
|
|
819 if (ei && isScope() && ei->exp->op == TOKnew)
|
|
|
820 { NewExp *ne = (NewExp *)ei->exp;
|
|
|
821 if (!(ne->newargs && ne->newargs->dim))
|
|
|
822 { ne->onstack = 1;
|
|
|
823 onstack = 1;
|
|
|
824 if (type->isBaseOf(ne->newtype->semantic(loc, sc), NULL))
|
|
|
825 onstack = 2;
|
|
|
826 }
|
|
|
827 }
|
|
|
828
|
|
|
829 // If inside function, there is no semantic3() call
|
|
|
830 if (sc->func)
|
|
|
831 {
|
|
|
832 // If local variable, use AssignExp to handle all the various
|
|
|
833 // possibilities.
|
|
|
834 if (fd && !isStatic() && !isConst() && !init->isVoidInitializer())
|
|
|
835 {
|
|
|
836 Expression *e1;
|
|
|
837 Type *t;
|
|
|
838 int dim;
|
|
|
839
|
|
|
840 //printf("fd = '%s', var = '%s'\n", fd->toChars(), toChars());
|
|
|
841 if (!ei)
|
|
|
842 {
|
|
|
843 Expression *e = init->toExpression();
|
|
|
844 if (!e)
|
|
|
845 {
|
|
|
846 init = init->semantic(sc, type);
|
|
|
847 e = init->toExpression();
|
|
|
848 if (!e)
|
|
|
849 { error("is not a static and cannot have static initializer");
|
|
|
850 return;
|
|
|
851 }
|
|
|
852 }
|
|
|
853 ei = new ExpInitializer(init->loc, e);
|
|
|
854 init = ei;
|
|
|
855 }
|
|
|
856
|
|
|
857 e1 = new VarExp(loc, this);
|
|
|
858
|
|
|
859 t = type->toBasetype();
|
|
|
860 if (t->ty == Tsarray)
|
|
|
861 {
|
|
|
862 dim = ((TypeSArray *)t)->dim->toInteger();
|
|
|
863 // If multidimensional static array, treat as one large array
|
|
|
864 while (1)
|
|
|
865 {
|
|
|
866 t = t->next->toBasetype();
|
|
|
867 if (t->ty != Tsarray)
|
|
|
868 break;
|
|
|
869 if (t->next->toBasetype()->ty == Tbit)
|
|
|
870 // t->size() gives size in bytes, convert to bits
|
|
|
871 dim *= t->size() * 8;
|
|
|
872 else
|
|
|
873 dim *= ((TypeSArray *)t)->dim->toInteger();
|
|
|
874 e1->type = new TypeSArray(t->next, new IntegerExp(0, dim, Type::tindex));
|
|
|
875 }
|
|
|
876 e1 = new SliceExp(loc, e1, NULL, NULL);
|
|
|
877 }
|
|
|
878 else if (t->ty == Tstruct)
|
|
|
879 {
|
|
|
880 ei->exp = ei->exp->semantic(sc);
|
|
|
881 if (!ei->exp->implicitConvTo(type))
|
|
|
882 ei->exp = new CastExp(loc, ei->exp, type);
|
|
|
883 }
|
|
|
884 ei->exp = new AssignExp(loc, e1, ei->exp);
|
|
|
885 ei->exp->op = TOKconstruct;
|
|
|
886 canassign++;
|
|
|
887 ei->exp = ei->exp->semantic(sc);
|
|
|
888 canassign--;
|
|
|
889 ei->exp->optimize(WANTvalue);
|
|
|
890 }
|
|
|
891 else
|
|
|
892 {
|
|
|
893 init = init->semantic(sc, type);
|
|
|
894 if (fd && isConst() && !isStatic())
|
|
|
895 { // Make it static
|
|
|
896 storage_class |= STCstatic;
|
|
|
897 }
|
|
|
898 }
|
|
|
899 }
|
|
|
900 else if (isConst() || isFinal())
|
|
|
901 {
|
|
|
902 /* Because we may need the results of a const declaration in a
|
|
|
903 * subsequent type, such as an array dimension, before semantic2()
|
|
|
904 * gets ordinarily run, try to run semantic2() now.
|
|
|
905 * Ignore failure.
|
|
|
906 */
|
|
|
907
|
|
19
|
908 if (!global.errors && !inferred)
|
|
1
|
909 {
|
|
|
910 unsigned errors = global.errors;
|
|
|
911 global.gag++;
|
|
|
912 //printf("+gag\n");
|
|
19
|
913 Expression *e;
|
|
|
914 Initializer *i2 = init;
|
|
1
|
915 inuse++;
|
|
19
|
916 if (ei)
|
|
|
917 {
|
|
|
918 e = ei->exp->syntaxCopy();
|
|
|
919 e = e->semantic(sc);
|
|
|
920 e = e->implicitCastTo(sc, type);
|
|
|
921 }
|
|
|
922 else if (si || ai)
|
|
|
923 { i2 = init->syntaxCopy();
|
|
|
924 i2 = i2->semantic(sc, type);
|
|
|
925 }
|
|
1
|
926 inuse--;
|
|
|
927 global.gag--;
|
|
|
928 //printf("-gag\n");
|
|
|
929 if (errors != global.errors) // if errors happened
|
|
|
930 {
|
|
|
931 if (global.gag == 0)
|
|
|
932 global.errors = errors; // act as if nothing happened
|
|
|
933 }
|
|
19
|
934 else if (ei)
|
|
1
|
935 {
|
|
|
936 e = e->optimize(WANTvalue | WANTinterpret);
|
|
|
937 if (e->op == TOKint64 || e->op == TOKstring)
|
|
|
938 {
|
|
|
939 ei->exp = e; // no errors, keep result
|
|
|
940 }
|
|
|
941 }
|
|
19
|
942 else
|
|
|
943 init = i2; // no errors, keep result
|
|
1
|
944 }
|
|
|
945 }
|
|
|
946 }
|
|
|
947 }
|
|
|
948
|
|
|
949 ExpInitializer *VarDeclaration::getExpInitializer()
|
|
|
950 {
|
|
|
951 ExpInitializer *ei;
|
|
|
952
|
|
|
953 if (init)
|
|
|
954 ei = init->isExpInitializer();
|
|
|
955 else
|
|
|
956 {
|
|
|
957 Expression *e = type->defaultInit();
|
|
|
958 if (e)
|
|
|
959 ei = new ExpInitializer(loc, e);
|
|
|
960 else
|
|
|
961 ei = NULL;
|
|
|
962 }
|
|
|
963 return ei;
|
|
|
964 }
|
|
|
965
|
|
|
966 void VarDeclaration::semantic2(Scope *sc)
|
|
|
967 {
|
|
|
968 //printf("VarDeclaration::semantic2('%s')\n", toChars());
|
|
|
969 if (init && !toParent()->isFuncDeclaration())
|
|
|
970 { inuse++;
|
|
|
971 #if 0
|
|
|
972 ExpInitializer *ei = init->isExpInitializer();
|
|
|
973 if (ei)
|
|
|
974 {
|
|
|
975 ei->exp->dump(0);
|
|
|
976 printf("type = %p\n", ei->exp->type);
|
|
|
977 }
|
|
|
978 #endif
|
|
|
979 init = init->semantic(sc, type);
|
|
|
980 inuse--;
|
|
|
981 }
|
|
|
982 }
|
|
|
983
|
|
|
984 char *VarDeclaration::kind()
|
|
|
985 {
|
|
|
986 return "variable";
|
|
|
987 }
|
|
|
988
|
|
|
989 Dsymbol *VarDeclaration::toAlias()
|
|
|
990 {
|
|
|
991 //printf("VarDeclaration::toAlias('%s', this = %p, aliassym = %p)\n", toChars(), this, aliassym);
|
|
|
992 assert(this != aliassym);
|
|
|
993 Dsymbol *s = aliassym ? aliassym->toAlias() : this;
|
|
|
994 return s;
|
|
|
995 }
|
|
|
996
|
|
|
997 void VarDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
|
|
|
998 {
|
|
|
999 if (storage_class & STCconst)
|
|
|
1000 buf->writestring("const ");
|
|
|
1001 if (storage_class & STCstatic)
|
|
|
1002 buf->writestring("static ");
|
|
|
1003 if (type)
|
|
|
1004 type->toCBuffer(buf, ident, hgs);
|
|
|
1005 else
|
|
|
1006 buf->writestring(ident->toChars());
|
|
|
1007 if (init)
|
|
|
1008 { buf->writestring(" = ");
|
|
|
1009 init->toCBuffer(buf, hgs);
|
|
|
1010 }
|
|
|
1011 buf->writeByte(';');
|
|
|
1012 buf->writenl();
|
|
|
1013 }
|
|
|
1014
|
|
|
1015 int VarDeclaration::needThis()
|
|
|
1016 {
|
|
|
1017 //printf("VarDeclaration::needThis(%s, x%x)\n", toChars(), storage_class);
|
|
|
1018 return storage_class & STCfield;
|
|
|
1019 }
|
|
|
1020
|
|
|
1021 int VarDeclaration::isImportedSymbol()
|
|
|
1022 {
|
|
|
1023 if (protection == PROTexport && !init && (isStatic() || isConst() || parent->isModule()))
|
|
|
1024 return TRUE;
|
|
|
1025 return FALSE;
|
|
|
1026 }
|
|
|
1027
|
|
|
1028 void VarDeclaration::checkCtorConstInit()
|
|
|
1029 {
|
|
|
1030 if (ctorinit == 0 && isCtorinit() && !(storage_class & STCfield))
|
|
|
1031 error("missing initializer in static constructor for const variable");
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 /************************************
|
|
|
1035 * Check to see if variable is a reference to an enclosing function
|
|
|
1036 * or not.
|
|
|
1037 */
|
|
|
1038
|
|
|
1039 void VarDeclaration::checkNestedReference(Scope *sc, Loc loc)
|
|
|
1040 {
|
|
|
1041 if (!isDataseg() && parent != sc->parent && parent)
|
|
|
1042 {
|
|
|
1043 FuncDeclaration *fdv = toParent()->isFuncDeclaration();
|
|
|
1044 FuncDeclaration *fdthis = sc->parent->isFuncDeclaration();
|
|
|
1045
|
|
|
1046 if (fdv && fdthis)
|
|
|
1047 {
|
|
|
1048 if (loc.filename)
|
|
|
1049 fdthis->getLevel(loc, fdv);
|
|
|
1050 nestedref = 1;
|
|
|
1051 fdv->nestedFrameRef = 1;
|
|
|
1052 //printf("var %s in function %s is nested ref\n", toChars(), fdv->toChars());
|
|
|
1053 }
|
|
|
1054 }
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 /*******************************
|
|
|
1058 * Does symbol go into data segment?
|
|
|
1059 */
|
|
|
1060
|
|
|
1061 int VarDeclaration::isDataseg()
|
|
|
1062 {
|
|
|
1063 #if 0
|
|
|
1064 printf("VarDeclaration::isDataseg(%p, '%s')\n", this, toChars());
|
|
|
1065 printf("%x, %p, %p\n", storage_class & (STCstatic | STCconst), parent->isModule(), parent->isTemplateInstance());
|
|
|
1066 printf("parent = '%s'\n", parent->toChars());
|
|
|
1067 #endif
|
|
|
1068 Dsymbol *parent = this->toParent();
|
|
|
1069 if (!parent && !(storage_class & (STCstatic | STCconst)))
|
|
|
1070 { error("forward referenced");
|
|
|
1071 type = Type::terror;
|
|
|
1072 return 0;
|
|
|
1073 }
|
|
|
1074 return (storage_class & (STCstatic | STCconst) ||
|
|
|
1075 parent->isModule() ||
|
|
|
1076 parent->isTemplateInstance());
|
|
|
1077 }
|
|
|
1078
|
|
|
1079 int VarDeclaration::hasPointers()
|
|
|
1080 {
|
|
|
1081 return (!isDataseg() && type->hasPointers());
|
|
|
1082 }
|
|
|
1083
|
|
|
1084 /******************************************
|
|
|
1085 * If a variable has an auto destructor call, return call for it.
|
|
|
1086 * Otherwise, return NULL.
|
|
|
1087 */
|
|
|
1088
|
|
|
1089 Expression *VarDeclaration::callAutoDtor()
|
|
|
1090 { Expression *e = NULL;
|
|
|
1091
|
|
|
1092 if (storage_class & (STCauto | STCscope) && !noauto)
|
|
|
1093 {
|
|
|
1094 for (ClassDeclaration *cd = type->isClassHandle();
|
|
|
1095 cd;
|
|
|
1096 cd = cd->baseClass)
|
|
|
1097 {
|
|
|
1098 /* We can do better if there's a way with onstack
|
|
|
1099 * classes to determine if there's no way the monitor
|
|
|
1100 * could be set.
|
|
|
1101 */
|
|
|
1102 if (1 || onstack || cd->dtors.dim) // if any destructors
|
|
|
1103 {
|
|
|
1104 // delete this;
|
|
|
1105 Expression *ec;
|
|
|
1106
|
|
|
1107 ec = new VarExp(loc, this);
|
|
|
1108 e = new DeleteExp(loc, ec);
|
|
|
1109 e->type = Type::tvoid;
|
|
|
1110 break;
|
|
|
1111 }
|
|
|
1112 }
|
|
|
1113 }
|
|
|
1114 return e;
|
|
|
1115 }
|
|
|
1116
|
|
|
1117
|
|
|
1118 /********************************* ClassInfoDeclaration ****************************/
|
|
|
1119
|
|
|
1120 ClassInfoDeclaration::ClassInfoDeclaration(ClassDeclaration *cd)
|
|
|
1121 : VarDeclaration(0, ClassDeclaration::classinfo->type, cd->ident, NULL)
|
|
|
1122 {
|
|
|
1123 this->cd = cd;
|
|
|
1124 storage_class = STCstatic;
|
|
|
1125 }
|
|
|
1126
|
|
|
1127 Dsymbol *ClassInfoDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1128 {
|
|
|
1129 assert(0); // should never be produced by syntax
|
|
|
1130 return NULL;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 void ClassInfoDeclaration::semantic(Scope *sc)
|
|
|
1134 {
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 /********************************* ModuleInfoDeclaration ****************************/
|
|
|
1138
|
|
|
1139 ModuleInfoDeclaration::ModuleInfoDeclaration(Module *mod)
|
|
|
1140 : VarDeclaration(0, Module::moduleinfo->type, mod->ident, NULL)
|
|
|
1141 {
|
|
|
1142 this->mod = mod;
|
|
|
1143 storage_class = STCstatic;
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 Dsymbol *ModuleInfoDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1147 {
|
|
|
1148 assert(0); // should never be produced by syntax
|
|
|
1149 return NULL;
|
|
|
1150 }
|
|
|
1151
|
|
|
1152 void ModuleInfoDeclaration::semantic(Scope *sc)
|
|
|
1153 {
|
|
|
1154 }
|
|
|
1155
|
|
|
1156 /********************************* TypeInfoDeclaration ****************************/
|
|
|
1157
|
|
|
1158 TypeInfoDeclaration::TypeInfoDeclaration(Type *tinfo, int internal)
|
|
|
1159 : VarDeclaration(0, Type::typeinfo->type, tinfo->getTypeInfoIdent(internal), NULL)
|
|
|
1160 {
|
|
|
1161 this->tinfo = tinfo;
|
|
|
1162 storage_class = STCstatic;
|
|
|
1163 protection = PROTpublic;
|
|
|
1164 linkage = LINKc;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 Dsymbol *TypeInfoDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1168 {
|
|
|
1169 assert(0); // should never be produced by syntax
|
|
|
1170 return NULL;
|
|
|
1171 }
|
|
|
1172
|
|
|
1173 void TypeInfoDeclaration::semantic(Scope *sc)
|
|
|
1174 {
|
|
|
1175 assert(linkage == LINKc);
|
|
|
1176 }
|
|
|
1177
|
|
|
1178 /***************************** TypeInfoStructDeclaration **********************/
|
|
|
1179
|
|
|
1180 TypeInfoStructDeclaration::TypeInfoStructDeclaration(Type *tinfo)
|
|
|
1181 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1182 {
|
|
|
1183 }
|
|
|
1184
|
|
|
1185 /***************************** TypeInfoClassDeclaration ***********************/
|
|
|
1186
|
|
|
1187 TypeInfoClassDeclaration::TypeInfoClassDeclaration(Type *tinfo)
|
|
|
1188 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1189 {
|
|
|
1190 }
|
|
|
1191
|
|
|
1192 /***************************** TypeInfoInterfaceDeclaration *******************/
|
|
|
1193
|
|
|
1194 TypeInfoInterfaceDeclaration::TypeInfoInterfaceDeclaration(Type *tinfo)
|
|
|
1195 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1196 {
|
|
|
1197 }
|
|
|
1198
|
|
|
1199 /***************************** TypeInfoTypedefDeclaration *********************/
|
|
|
1200
|
|
|
1201 TypeInfoTypedefDeclaration::TypeInfoTypedefDeclaration(Type *tinfo)
|
|
|
1202 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1203 {
|
|
|
1204 }
|
|
|
1205
|
|
|
1206 /***************************** TypeInfoPointerDeclaration *********************/
|
|
|
1207
|
|
|
1208 TypeInfoPointerDeclaration::TypeInfoPointerDeclaration(Type *tinfo)
|
|
|
1209 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1210 {
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 /***************************** TypeInfoArrayDeclaration ***********************/
|
|
|
1214
|
|
|
1215 TypeInfoArrayDeclaration::TypeInfoArrayDeclaration(Type *tinfo)
|
|
|
1216 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1217 {
|
|
|
1218 }
|
|
|
1219
|
|
|
1220 /***************************** TypeInfoStaticArrayDeclaration *****************/
|
|
|
1221
|
|
|
1222 TypeInfoStaticArrayDeclaration::TypeInfoStaticArrayDeclaration(Type *tinfo)
|
|
|
1223 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1224 {
|
|
|
1225 }
|
|
|
1226
|
|
|
1227 /***************************** TypeInfoAssociativeArrayDeclaration ************/
|
|
|
1228
|
|
|
1229 TypeInfoAssociativeArrayDeclaration::TypeInfoAssociativeArrayDeclaration(Type *tinfo)
|
|
|
1230 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1231 {
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 /***************************** TypeInfoEnumDeclaration ***********************/
|
|
|
1235
|
|
|
1236 TypeInfoEnumDeclaration::TypeInfoEnumDeclaration(Type *tinfo)
|
|
|
1237 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1238 {
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 /***************************** TypeInfoFunctionDeclaration ********************/
|
|
|
1242
|
|
|
1243 TypeInfoFunctionDeclaration::TypeInfoFunctionDeclaration(Type *tinfo)
|
|
|
1244 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1245 {
|
|
|
1246 }
|
|
|
1247
|
|
|
1248 /***************************** TypeInfoDelegateDeclaration ********************/
|
|
|
1249
|
|
|
1250 TypeInfoDelegateDeclaration::TypeInfoDelegateDeclaration(Type *tinfo)
|
|
|
1251 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1252 {
|
|
|
1253 }
|
|
|
1254
|
|
|
1255 /***************************** TypeInfoTupleDeclaration **********************/
|
|
|
1256
|
|
|
1257 TypeInfoTupleDeclaration::TypeInfoTupleDeclaration(Type *tinfo)
|
|
|
1258 : TypeInfoDeclaration(tinfo, 0)
|
|
|
1259 {
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 /********************************* ThisDeclaration ****************************/
|
|
|
1263
|
|
|
1264 // For the "this" parameter to member functions
|
|
|
1265
|
|
|
1266 ThisDeclaration::ThisDeclaration(Type *t)
|
|
|
1267 : VarDeclaration(0, t, Id::This, NULL)
|
|
|
1268 {
|
|
|
1269 noauto = 1;
|
|
|
1270 }
|
|
|
1271
|
|
|
1272 Dsymbol *ThisDeclaration::syntaxCopy(Dsymbol *s)
|
|
|
1273 {
|
|
|
1274 assert(0); // should never be produced by syntax
|
|
|
1275 return NULL;
|
|
|
1276 }
|
|
|
1277
|
|
|
1278
|
