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SWITCHED TO LLVM 2.5 ! Applied patch from ticket #129 to compile against latest LLVM. Thanks Frits van Bommel. Fixed implicit return by asm block at the end of a function on x86-32. Other architectures will produce an error at the moment. Adding support for new targets is fairly simple. Fixed return calling convention for complex numbers, ST and ST(1) were switched around. Added some testcases. I've run a dstress test and there are no regressions. However, the runtime does not seem to compile with symbolic debug information. -O3 -release -inline works well and is what I used for the dstress run. Tango does not compile, a small workaround is needed in tango.io.digest.Digest.Digest.hexDigest. See ticket #206 .
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Sun, 08 Feb 2009 05:26:54 +0100
parents 356e65836fb5
children de97188378bc
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2008 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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11 #include <stdio.h>
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12 #include <assert.h>
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13
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14 #include "root.h"
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15 #include "aggregate.h"
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16 #include "scope.h"
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17 #include "mtype.h"
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18 #include "declaration.h"
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19 #include "module.h"
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20 #include "id.h"
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21 #include "statement.h"
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22
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23 /********************************* AggregateDeclaration ****************************/
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24
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25 AggregateDeclaration::AggregateDeclaration(Loc loc, Identifier *id)
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26 : ScopeDsymbol(id)
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27 {
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28 this->loc = loc;
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29
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30 storage_class = 0;
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31 protection = PROTpublic;
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32 type = NULL;
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33 handle = NULL;
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34 structsize = 0; // size of struct
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35 alignsize = 0; // size of struct for alignment purposes
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36 structalign = 0; // struct member alignment in effect
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37 hasUnions = 0;
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38 sizeok = 0; // size not determined yet
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39 isdeprecated = 0;
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40 inv = NULL;
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41 aggNew = NULL;
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42 aggDelete = NULL;
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43
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44 stag = NULL;
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45 sinit = NULL;
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46 scope = NULL;
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47 dtor = NULL;
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48
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49 ctor = NULL;
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50 defaultCtor = NULL;
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51 }
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52
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53 enum PROT AggregateDeclaration::prot()
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54 {
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55 return protection;
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56 }
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57
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58 void AggregateDeclaration::semantic2(Scope *sc)
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59 {
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60 //printf("AggregateDeclaration::semantic2(%s)\n", toChars());
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61 if (scope)
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62 { error("has forward references");
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63 return;
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64 }
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65 if (members)
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66 {
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67 sc = sc->push(this);
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68 for (size_t i = 0; i < members->dim; i++)
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69 {
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70 Dsymbol *s = (Dsymbol *)members->data[i];
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71 s->semantic2(sc);
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72 }
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73 sc->pop();
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74 }
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75 }
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76
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77 void AggregateDeclaration::semantic3(Scope *sc)
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78 { int i;
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79
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80 //printf("AggregateDeclaration::semantic3(%s)\n", toChars());
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81 if (members)
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82 {
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83 sc = sc->push(this);
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84 for (i = 0; i < members->dim; i++)
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85 {
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86 Dsymbol *s = (Dsymbol *)members->data[i];
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87 s->semantic3(sc);
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88 }
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89 sc->pop();
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90 }
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91 }
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92
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93 void AggregateDeclaration::inlineScan()
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94 { int i;
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95
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96 //printf("AggregateDeclaration::inlineScan(%s)\n", toChars());
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97 if (members)
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98 {
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99 for (i = 0; i < members->dim; i++)
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100 {
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101 Dsymbol *s = (Dsymbol *)members->data[i];
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102 //printf("inline scan aggregate symbol '%s'\n", s->toChars());
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103 s->inlineScan();
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104 }
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105 }
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106 }
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107
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108 unsigned AggregateDeclaration::size(Loc loc)
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109 {
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110 //printf("AggregateDeclaration::size() = %d\n", structsize);
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111 if (!members)
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112 error(loc, "unknown size");
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113 if (sizeok != 1)
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114 { error(loc, "no size yet for forward reference");
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115 //*(char*)0=0;
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116 }
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diff changeset
117 return structsize;
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118 }
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diff changeset
119
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
120 Type *AggregateDeclaration::getType()
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121 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
122 return type;
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123 }
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diff changeset
124
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
125 int AggregateDeclaration::isDeprecated()
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126 {
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diff changeset
127 return isdeprecated;
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128 }
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129
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130 /****************************
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131 * Do byte or word alignment as necessary.
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132 * Align sizes of 0, as we may not know array sizes yet.
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133 */
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134
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135 void AggregateDeclaration::alignmember(unsigned salign, unsigned size, unsigned *poffset)
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136 {
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diff changeset
137 //printf("salign = %d, size = %d, offset = %d\n",salign,size,offset);
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138 if (salign > 1)
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139 { int sa;
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140
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141 switch (size)
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142 { case 1:
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143 break;
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144 case 2:
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145 case_2:
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146 *poffset = (*poffset + 1) & ~1; // align to word
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147 break;
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148 case 3:
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149 case 4:
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150 if (salign == 2)
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151 goto case_2;
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152 *poffset = (*poffset + 3) & ~3; // align to dword
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153 break;
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154 default:
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155 *poffset = (*poffset + salign - 1) & ~(salign - 1);
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156 break;
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157 }
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158 }
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159 //printf("result = %d\n",offset);
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160 }
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161
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162
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163 void AggregateDeclaration::addField(Scope *sc, VarDeclaration *v)
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164 {
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165 unsigned memsize; // size of member
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166 unsigned memalignsize; // size of member for alignment purposes
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167 unsigned xalign; // alignment boundaries
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168
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169 //printf("AggregateDeclaration::addField('%s') %s\n", v->toChars(), toChars());
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170 assert(!(v->storage_class & (STCstatic | STCextern | STCparameter | STCtls)));
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171
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diff changeset
172 // Check for forward referenced types which will fail the size() call
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173 Type *t = v->type->toBasetype();
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174 if (t->ty == Tstruct /*&& isStructDeclaration()*/)
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175 { TypeStruct *ts = (TypeStruct *)t;
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176
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diff changeset
177 if (ts->sym == this)
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178 {
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diff changeset
179 error("cannot have field %s with same struct type", v->toChars());
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180 }
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181
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diff changeset
182 if (ts->sym->sizeok != 1)
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183 {
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diff changeset
184 sizeok = 2; // cannot finish; flag as forward referenced
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185 return;
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186 }
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187 }
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diff changeset
188 if (t->ty == Tident)
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189 {
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diff changeset
190 sizeok = 2; // cannot finish; flag as forward referenced
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diff changeset
191 return;
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192 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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193
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diff changeset
194 memsize = v->type->size(loc);
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diff changeset
195 memalignsize = v->type->alignsize();
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diff changeset
196 xalign = v->type->memalign(sc->structalign);
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diff changeset
197 alignmember(xalign, memalignsize, &sc->offset);
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diff changeset
198 v->offset = sc->offset;
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diff changeset
199 sc->offset += memsize;
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diff changeset
200 if (sc->offset > structsize)
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diff changeset
201 structsize = sc->offset;
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diff changeset
202 if (sc->structalign < memalignsize)
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diff changeset
203 memalignsize = sc->structalign;
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diff changeset
204 if (alignsize < memalignsize)
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diff changeset
205 alignsize = memalignsize;
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diff changeset
206 //printf("\talignsize = %d\n", alignsize);
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207
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diff changeset
208 v->storage_class |= STCfield;
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diff changeset
209 //printf(" addField '%s' to '%s' at offset %d, size = %d\n", v->toChars(), toChars(), v->offset, memsize);
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diff changeset
210 fields.push(v);
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diff changeset
211 }
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diff changeset
212
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
213
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diff changeset
214 /********************************* StructDeclaration ****************************/
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215
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diff changeset
216 StructDeclaration::StructDeclaration(Loc loc, Identifier *id)
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217 : AggregateDeclaration(loc, id)
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diff changeset
218 {
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diff changeset
219 zeroInit = 0; // assume false until we do semantic processing
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diff changeset
220 hasIdentityAssign = 0;
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diff changeset
221 cpctor = NULL;
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diff changeset
222 postblit = NULL;
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diff changeset
223
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
224 // For forward references
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
225 type = new TypeStruct(this);
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diff changeset
226 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
227
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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diff changeset
228 Dsymbol *StructDeclaration::syntaxCopy(Dsymbol *s)
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diff changeset
229 {
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diff changeset
230 StructDeclaration *sd;
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231
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232 if (s)
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233 sd = (StructDeclaration *)s;
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234 else
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235 sd = new StructDeclaration(loc, ident);
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236 ScopeDsymbol::syntaxCopy(sd);
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237 return sd;
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238 }
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239
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240 void StructDeclaration::semantic(Scope *sc)
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241 { int i;
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242 Scope *sc2;
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243
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244 //printf("+StructDeclaration::semantic(this=%p, '%s')\n", this, toChars());
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245
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246 //static int count; if (++count == 20) *(char*)0=0;
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247
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248 assert(type);
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249 if (!members) // if forward reference
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250 return;
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251
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252 if (symtab)
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253 { if (!scope)
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254 return; // semantic() already completed
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255 }
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256 else
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257 symtab = new DsymbolTable();
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258
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259 Scope *scx = NULL;
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260 if (scope)
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261 { sc = scope;
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262 scx = scope; // save so we don't make redundant copies
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263 scope = NULL;
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264 }
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265
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266 parent = sc->parent;
847
356e65836fb5 Merged DMD 2.021 frontend.
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267 #if STRUCTTHISREF
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268 handle = type;
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269 #else
758
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270 handle = type->pointerTo();
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271 #endif
758
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272 structalign = sc->structalign;
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273 protection = sc->protection;
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274 storage_class |= sc->stc;
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275 if (sc->stc & STCdeprecated)
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276 isdeprecated = 1;
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277 assert(!isAnonymous());
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278 if (sc->stc & STCabstract)
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279 error("structs, unions cannot be abstract");
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280 if (storage_class & STCinvariant)
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281 type = type->invariantOf();
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282 else if (storage_class & STCconst)
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283 type = type->constOf();
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284
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285 if (sizeok == 0) // if not already done the addMember step
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286 {
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287 for (i = 0; i < members->dim; i++)
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288 {
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289 Dsymbol *s = (Dsymbol *)members->data[i];
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290 //printf("adding member '%s' to '%s'\n", s->toChars(), this->toChars());
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291 s->addMember(sc, this, 1);
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292 }
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293 }
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294
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295 sizeok = 0;
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296 sc2 = sc->push(this);
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297 sc2->stc &= storage_class & (STCconst | STCinvariant);
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298 sc2->parent = this;
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299 if (isUnionDeclaration())
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300 sc2->inunion = 1;
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301 sc2->protection = PROTpublic;
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302 sc2->explicitProtection = 0;
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303
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304 int members_dim = members->dim;
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305 for (i = 0; i < members_dim; i++)
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306 {
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diff changeset
307 Dsymbol *s = (Dsymbol *)members->data[i];
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308 s->semantic(sc2);
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309 if (isUnionDeclaration())
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310 sc2->offset = 0;
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311 #if 0
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312 if (sizeok == 2)
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313 { //printf("forward reference\n");
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314 break;
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315 }
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316 #endif
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317 }
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318
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diff changeset
319 /* The TypeInfo_Struct is expecting an opEquals and opCmp with
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320 * a parameter that is a pointer to the struct. But if there
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321 * isn't one, but is an opEquals or opCmp with a value, write
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322 * another that is a shell around the value:
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323 * int opCmp(struct *p) { return opCmp(*p); }
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324 */
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325
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diff changeset
326 TypeFunction *tfeqptr;
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327 {
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328 Arguments *arguments = new Arguments;
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diff changeset
329 Argument *arg = new Argument(STCin, handle, Id::p, NULL);
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330
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diff changeset
331 arguments->push(arg);
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332 tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd);
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333 tfeqptr = (TypeFunction *)tfeqptr->semantic(0, sc);
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334 }
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335
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diff changeset
336 TypeFunction *tfeq;
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337 {
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diff changeset
338 Arguments *arguments = new Arguments;
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339 Argument *arg = new Argument(STCin, type, NULL, NULL);
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diff changeset
340
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diff changeset
341 arguments->push(arg);
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342 tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd);
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343 tfeq = (TypeFunction *)tfeq->semantic(0, sc);
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344 }
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345
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diff changeset
346 Identifier *id = Id::eq;
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347 for (int i = 0; i < 2; i++)
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diff changeset
348 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
349 Dsymbol *s = search_function(this, id);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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parents:
diff changeset
350 FuncDeclaration *fdx = s ? s->isFuncDeclaration() : NULL;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
351 if (fdx)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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parents:
diff changeset
352 { FuncDeclaration *fd = fdx->overloadExactMatch(tfeqptr);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
353 if (!fd)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
354 { fd = fdx->overloadExactMatch(tfeq);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
355 if (fd)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
356 { // Create the thunk, fdptr
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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parents:
diff changeset
357 FuncDeclaration *fdptr = new FuncDeclaration(loc, loc, fdx->ident, STCundefined, tfeqptr);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
358 Expression *e = new IdentifierExp(loc, Id::p);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
359 e = new PtrExp(loc, e);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
360 Expressions *args = new Expressions();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
361 args->push(e);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
362 e = new IdentifierExp(loc, id);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
363 e = new CallExp(loc, e, args);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
364 fdptr->fbody = new ReturnStatement(loc, e);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
365 ScopeDsymbol *s = fdx->parent->isScopeDsymbol();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
366 assert(s);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
367 s->members->push(fdptr);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
368 fdptr->addMember(sc, s, 1);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
369 fdptr->semantic(sc2);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
370 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
371 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
372 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
373
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
374 id = Id::cmp;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
375 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
376
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
377 dtor = buildDtor(sc2);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
378 postblit = buildPostBlit(sc2);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
379 cpctor = buildCpCtor(sc2);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
380 buildOpAssign(sc2);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
381
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
382 sc2->pop();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
383
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
384 if (sizeok == 2)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
385 { // semantic() failed because of forward references.
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
386 // Unwind what we did, and defer it for later
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
387 fields.setDim(0);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
388 structsize = 0;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
389 alignsize = 0;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
390 structalign = 0;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
391
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
392 scope = scx ? scx : new Scope(*sc);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
393 scope->setNoFree();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
394 scope->module->addDeferredSemantic(this);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
395 //printf("\tdeferring %s\n", toChars());
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
396 return;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
397 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
398
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
399 // 0 sized struct's are set to 1 byte
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
400 if (structsize == 0)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
401 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
402 structsize = 1;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
403 alignsize = 1;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
404 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
405
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
406 // Round struct size up to next alignsize boundary.
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
407 // This will ensure that arrays of structs will get their internals
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
408 // aligned properly.
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
409 structsize = (structsize + alignsize - 1) & ~(alignsize - 1);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
410
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
411 sizeok = 1;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
412 Module::dprogress++;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
413
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
414 //printf("-StructDeclaration::semantic(this=%p, '%s')\n", this, toChars());
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
415
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
416 // Determine if struct is all zeros or not
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
417 zeroInit = 1;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
418 for (i = 0; i < fields.dim; i++)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
419 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
420 Dsymbol *s = (Dsymbol *)fields.data[i];
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
421 VarDeclaration *vd = s->isVarDeclaration();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
422 if (vd && !vd->isDataseg())
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
423 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
424 if (vd->init)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
425 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
426 // Should examine init to see if it is really all 0's
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
427 zeroInit = 0;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
428 break;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
429 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
430 else
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
431 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
432 if (!vd->type->isZeroInit())
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
433 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
434 zeroInit = 0;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
435 break;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
436 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
437 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
438 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
439 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
440
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
441 /* Look for special member functions.
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
442 */
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
443 ctor = (CtorDeclaration *)search(0, Id::ctor, 0);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
444 inv = (InvariantDeclaration *)search(0, Id::classInvariant, 0);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
445 aggNew = (NewDeclaration *)search(0, Id::classNew, 0);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
446 aggDelete = (DeleteDeclaration *)search(0, Id::classDelete, 0);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
447
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
448 if (sc->func)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
449 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
450 semantic2(sc);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
451 semantic3(sc);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
452 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
453 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
454
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
455 void StructDeclaration::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
456 { int i;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
457
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
458 buf->printf("%s ", kind());
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
459 if (!isAnonymous())
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
460 buf->writestring(toChars());
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
461 if (!members)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
462 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
463 buf->writeByte(';');
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
464 buf->writenl();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
465 return;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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466 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
467 buf->writenl();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
468 buf->writeByte('{');
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
469 buf->writenl();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
470 for (i = 0; i < members->dim; i++)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
471 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
472 Dsymbol *s = (Dsymbol *)members->data[i];
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
473
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
474 buf->writestring(" ");
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
475 s->toCBuffer(buf, hgs);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
476 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
477 buf->writeByte('}');
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
478 buf->writenl();
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
479 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
480
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
481
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
482 const char *StructDeclaration::kind()
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
483 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
484 return "struct";
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
485 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
486
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
487 /********************************* UnionDeclaration ****************************/
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
488
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
489 UnionDeclaration::UnionDeclaration(Loc loc, Identifier *id)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
490 : StructDeclaration(loc, id)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
491 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
492 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
493
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
494 Dsymbol *UnionDeclaration::syntaxCopy(Dsymbol *s)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
495 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
496 UnionDeclaration *ud;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
497
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
498 if (s)
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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parents:
diff changeset
499 ud = (UnionDeclaration *)s;
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
500 else
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
501 ud = new UnionDeclaration(loc, ident);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
502 StructDeclaration::syntaxCopy(ud);
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
503 return ud;
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
504 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
505
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
506
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
507 const char *UnionDeclaration::kind()
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
508 {
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
509 return "union";
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
510 }
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
511
f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff changeset
512