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 #define __USE_ISOC99 1 // so signbit() gets defined
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12 #include <math.h>
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13
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14 #include <stdio.h>
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15 #include <assert.h>
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16 #include <float.h>
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17
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18 #ifdef __DMC__
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19 #include <fp.h>
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20 #endif
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21
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22 #if _MSC_VER
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23 #include <malloc.h>
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24 #include <complex>
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25 #include <limits>
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26 #elif __DMC__
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27 #include <complex.h>
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28 #else
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29 //#define signbit 56
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30 #endif
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31
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32 #if __APPLE__
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33 #include <math.h>
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34 static double zero = 0;
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35 #elif __GNUC__
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36 #include <math.h>
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37 #include <bits/nan.h>
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38 #include <bits/mathdef.h>
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39 static double zero = 0;
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40 #endif
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41
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42 #include "mem.h"
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43
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44 #include "dsymbol.h"
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45 #include "mtype.h"
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46 #include "scope.h"
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47 #include "init.h"
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48 #include "expression.h"
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49 #include "attrib.h"
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50 #include "declaration.h"
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51 #include "template.h"
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52 #include "id.h"
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53 #include "enum.h"
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54 #include "import.h"
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55 #include "aggregate.h"
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56 #include "hdrgen.h"
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57
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58 FuncDeclaration *hasThis(Scope *sc);
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59
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60
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61 #define LOGDOTEXP 0 // log ::dotExp()
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62 #define LOGDEFAULTINIT 0 // log ::defaultInit()
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63
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64 // Allow implicit conversion of T[] to T*
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65 #define IMPLICIT_ARRAY_TO_PTR global.params.useDeprecated
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66
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67 /* These have default values for 32 bit code, they get
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68 * adjusted for 64 bit code.
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69 */
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70
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71 int PTRSIZE = 4;
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72 #if IN_LLVM
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73 int REALSIZE = 8;
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74 int REALPAD = 0;
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75 #elif TARGET_LINUX
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76 int REALSIZE = 12;
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77 int REALPAD = 2;
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78 #else
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79 int REALSIZE = 10;
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80 int REALPAD = 0;
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81 #endif
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82 int Tsize_t = Tuns32;
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83 int Tptrdiff_t = Tint32;
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84
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85 /***************************** Type *****************************/
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86
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87 ClassDeclaration *Type::typeinfo;
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88 ClassDeclaration *Type::typeinfoclass;
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89 ClassDeclaration *Type::typeinfointerface;
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90 ClassDeclaration *Type::typeinfostruct;
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91 ClassDeclaration *Type::typeinfotypedef;
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92 ClassDeclaration *Type::typeinfopointer;
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93 ClassDeclaration *Type::typeinfoarray;
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94 ClassDeclaration *Type::typeinfostaticarray;
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95 ClassDeclaration *Type::typeinfoassociativearray;
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96 ClassDeclaration *Type::typeinfoenum;
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97 ClassDeclaration *Type::typeinfofunction;
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98 ClassDeclaration *Type::typeinfodelegate;
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99 ClassDeclaration *Type::typeinfotypelist;
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100
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101 Type *Type::tvoidptr;
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102 Type *Type::basic[TMAX];
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103 unsigned char Type::mangleChar[TMAX];
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104 StringTable Type::stringtable;
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105
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106
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107 Type::Type(TY ty, Type *next)
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108 {
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109 this->ty = ty;
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110 this->next = next;
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111 this->deco = NULL;
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112 this->pto = NULL;
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113 this->rto = NULL;
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114 this->arrayof = NULL;
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115 this->vtinfo = NULL;
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116 this->ctype = NULL;
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117 this->llvmType = 0;
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118 }
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119
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120 Type *Type::syntaxCopy()
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121 {
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122 print();
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123 fprintf(stdmsg, "ty = %d\n", ty);
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124 assert(0);
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125 return this;
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126 }
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127
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128 int Type::equals(Object *o)
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129 { Type *t;
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130
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131 t = (Type *)o;
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132 //printf("Type::equals(%s, %s)\n", toChars(), t->toChars());
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133 if (this == o ||
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134 (t && deco == t->deco) && // deco strings are unique
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135 deco != NULL) // and semantic() has been run
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136 {
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137 //printf("deco = '%s', t->deco = '%s'\n", deco, t->deco);
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138 return 1;
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139 }
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140 //if (deco && t && t->deco) printf("deco = '%s', t->deco = '%s'\n", deco, t->deco);
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141 return 0;
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142 }
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143
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144 char Type::needThisPrefix()
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145 {
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146 return 'M'; // name mangling prefix for functions needing 'this'
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147 }
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148
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149 void Type::init()
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150 { int i;
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151 int j;
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152
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153 Lexer::initKeywords();
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154
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155 mangleChar[Tarray] = 'A';
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156 mangleChar[Tsarray] = 'G';
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157 mangleChar[Taarray] = 'H';
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158 mangleChar[Tpointer] = 'P';
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159 mangleChar[Treference] = 'R';
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160 mangleChar[Tfunction] = 'F';
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161 mangleChar[Tident] = 'I';
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162 mangleChar[Tclass] = 'C';
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163 mangleChar[Tstruct] = 'S';
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164 mangleChar[Tenum] = 'E';
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165 mangleChar[Ttypedef] = 'T';
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166 mangleChar[Tdelegate] = 'D';
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167
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168 mangleChar[Tnone] = 'n';
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169 mangleChar[Tvoid] = 'v';
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170 mangleChar[Tint8] = 'g';
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171 mangleChar[Tuns8] = 'h';
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172 mangleChar[Tint16] = 's';
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173 mangleChar[Tuns16] = 't';
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174 mangleChar[Tint32] = 'i';
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175 mangleChar[Tuns32] = 'k';
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176 mangleChar[Tint64] = 'l';
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177 mangleChar[Tuns64] = 'm';
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178 mangleChar[Tfloat32] = 'f';
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179 mangleChar[Tfloat64] = 'd';
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180 mangleChar[Tfloat80] = 'e';
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181
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182 mangleChar[Timaginary32] = 'o';
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183 mangleChar[Timaginary64] = 'p';
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184 mangleChar[Timaginary80] = 'j';
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185 mangleChar[Tcomplex32] = 'q';
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186 mangleChar[Tcomplex64] = 'r';
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187 mangleChar[Tcomplex80] = 'c';
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188
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189 mangleChar[Tbool] = 'b';
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190 mangleChar[Tascii] = 'a';
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191 mangleChar[Twchar] = 'u';
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192 mangleChar[Tdchar] = 'w';
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193
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194 mangleChar[Tbit] = '@';
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195 mangleChar[Tinstance] = '@';
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196 mangleChar[Terror] = '@';
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197 mangleChar[Ttypeof] = '@';
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198 mangleChar[Ttuple] = 'B';
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199 mangleChar[Tslice] = '@';
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200
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201 for (i = 0; i < TMAX; i++)
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202 { if (!mangleChar[i])
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203 fprintf(stdmsg, "ty = %d\n", i);
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204 assert(mangleChar[i]);
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205 }
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206
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207 // Set basic types
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208 static TY basetab[] =
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209 { Tvoid, Tint8, Tuns8, Tint16, Tuns16, Tint32, Tuns32, Tint64, Tuns64,
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210 Tfloat32, Tfloat64, Tfloat80,
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211 Timaginary32, Timaginary64, Timaginary80,
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212 Tcomplex32, Tcomplex64, Tcomplex80,
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213 Tbit, Tbool,
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214 Tascii, Twchar, Tdchar };
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215
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216 for (i = 0; i < sizeof(basetab) / sizeof(basetab[0]); i++)
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217 basic[basetab[i]] = new TypeBasic(basetab[i]);
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218 basic[Terror] = basic[Tint32];
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219
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220 tvoidptr = tvoid->pointerTo();
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221
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222 if (global.params.is64bit)
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223 {
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224 PTRSIZE = 8;
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225 #if !IN_LLVM
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226 if (global.params.isLinux)
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227 REALSIZE = 10;
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228 else
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229 REALSIZE = 8;
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230 #else
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231 REALSIZE = 8;
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232 REALPAD = 0;
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233 #endif
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234 Tsize_t = Tuns64;
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235 Tptrdiff_t = Tint64;
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236 }
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237 else
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238 {
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239 PTRSIZE = 4;
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240 #if IN_LLVM
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241 REALSIZE = 8;
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242 REALPAD = 0;
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243 #elif TARGET_LINUX
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244 REALSIZE = 12;
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245 REALPAD = 2;
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246 #else
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247 REALSIZE = 10;
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248 REALPAD = 0;
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249 #endif
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250 Tsize_t = Tuns32;
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251 Tptrdiff_t = Tint32;
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252 }
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253 }
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254
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255 d_uns64 Type::size()
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256 {
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257 return size(0);
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258 }
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259
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260 d_uns64 Type::size(Loc loc)
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261 {
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262 error(loc, "no size for type %s", toChars());
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263 return 1;
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264 }
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265
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266 unsigned Type::alignsize()
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267 {
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268 return size(0);
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269 }
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270
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271 Type *Type::semantic(Loc loc, Scope *sc)
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272 {
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273 if (next)
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274 next = next->semantic(loc,sc);
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275 return merge();
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276 }
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277
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278 Type *Type::pointerTo()
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279 {
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280 if (!pto)
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281 { Type *t;
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282
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283 t = new TypePointer(this);
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284 pto = t->merge();
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285 }
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286 return pto;
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287 }
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288
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289 Type *Type::referenceTo()
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290 {
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291 if (!rto)
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292 { Type *t;
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293
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294 t = new TypeReference(this);
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295 rto = t->merge();
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296 }
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297 return rto;
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298 }
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299
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300 Type *Type::arrayOf()
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301 {
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302 if (!arrayof)
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303 { Type *t;
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304
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305 t = new TypeDArray(this);
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306 arrayof = t->merge();
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307 }
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308 return arrayof;
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309 }
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310
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311 Dsymbol *Type::toDsymbol(Scope *sc)
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312 {
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313 return NULL;
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314 }
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315
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316 /*******************************
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317 * If this is a shell around another type,
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318 * get that other type.
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319 */
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320
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321 Type *Type::toBasetype()
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322 {
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323 return this;
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324 }
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325
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326 /********************************
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327 * Name mangling.
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328 */
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329
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330 void Type::toDecoBuffer(OutBuffer *buf)
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331 {
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332 buf->writeByte(mangleChar[ty]);
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333 if (next)
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334 {
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335 assert(next != this);
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336 //printf("this = %p, ty = %d, next = %p, ty = %d\n", this, this->ty, next, next->ty);
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337 next->toDecoBuffer(buf);
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338 }
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339 }
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340
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341 /********************************
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342 * Name mangling.
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343 */
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344
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345 void Type::toTypeInfoBuffer(OutBuffer *buf)
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346 {
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347 assert(0);
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348 buf->writeByte(mangleChar[ty]);
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349 }
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350
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351 /********************************
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352 * For pretty-printing a type.
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353 */
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354
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355 char *Type::toChars()
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356 { OutBuffer *buf;
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357 HdrGenState hgs;
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358
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359 buf = new OutBuffer();
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360 toCBuffer2(buf, NULL, &hgs);
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361 return buf->toChars();
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362 }
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363
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364 void Type::toCBuffer(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
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365 {
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366 OutBuffer tbuf;
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367
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368 toCBuffer2(&tbuf, ident, hgs);
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369 buf->write(&tbuf);
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370 }
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371
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372 void Type::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
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373 {
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374 buf->prependstring(toChars());
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375 if (ident)
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376 { buf->writeByte(' ');
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377 buf->writestring(ident->toChars());
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378 }
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379 }
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380
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381 /************************************
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382 */
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383
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384 Type *Type::merge()
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385 { Type *t;
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386
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387 //printf("merge(%s)\n", toChars());
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388 t = this;
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389 assert(t);
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390 if (!deco)
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391 {
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392 OutBuffer buf;
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393 StringValue *sv;
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394
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395 if (next)
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396 next = next->merge();
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397 toDecoBuffer(&buf);
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398 sv = stringtable.update((char *)buf.data, buf.offset);
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399 if (sv->ptrvalue)
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400 { t = (Type *) sv->ptrvalue;
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401 assert(t->deco);
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402 //printf("old value, deco = '%s' %p\n", t->deco, t->deco);
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403 }
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404 else
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405 {
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406 sv->ptrvalue = this;
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407 deco = sv->lstring.string;
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408 //printf("new value, deco = '%s' %p\n", t->deco, t->deco);
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409 }
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410 }
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411 return t;
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412 }
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413
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414 int Type::isbit()
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415 {
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416 return FALSE;
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417 }
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418
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419 int Type::isintegral()
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420 {
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421 return FALSE;
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422 }
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423
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424 int Type::isfloating()
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425 {
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426 return FALSE;
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427 }
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428
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429 int Type::isreal()
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430 {
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431 return FALSE;
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432 }
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433
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434 int Type::isimaginary()
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435 {
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436 return FALSE;
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437 }
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438
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439 int Type::iscomplex()
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440 {
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441 return FALSE;
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442 }
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443
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444 int Type::isscalar()
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445 {
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446 return FALSE;
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447 }
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448
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449 int Type::isunsigned()
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450 {
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451 return FALSE;
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452 }
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453
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454 ClassDeclaration *Type::isClassHandle()
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455 {
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456 return NULL;
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457 }
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458
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459 int Type::isauto()
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460 {
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461 return FALSE;
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462 }
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463
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464 int Type::isString()
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465 {
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466 return FALSE;
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467 }
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468
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469 int Type::checkBoolean()
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470 {
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471 return isscalar();
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472 }
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473
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474 /*********************************
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475 * Check type to see if it is based on a deprecated symbol.
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476 */
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477
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478 void Type::checkDeprecated(Loc loc, Scope *sc)
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479 {
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480 Type *t;
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481 Dsymbol *s;
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482
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483 for (t = this; t; t = t->next)
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484 {
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485 s = t->toDsymbol(sc);
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486 if (s)
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487 s->checkDeprecated(loc, sc);
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488 }
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489 }
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490
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491
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492 Expression *Type::defaultInit()
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493 {
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494 #if LOGDEFAULTINIT
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495 printf("Type::defaultInit() '%s'\n", toChars());
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496 #endif
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497 return NULL;
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498 }
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499
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500 int Type::isZeroInit()
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501 {
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502 return 0; // assume not
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503 }
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504
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505 int Type::isBaseOf(Type *t, int *poffset)
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506 {
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507 return 0; // assume not
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508 }
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509
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510 /********************************
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511 * Determine if 'this' can be implicitly converted
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512 * to type 'to'.
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513 * Returns:
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514 * 0 can't convert
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515 * 1 can convert using implicit conversions
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516 * 2 this and to are the same type
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517 */
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518
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519 MATCH Type::implicitConvTo(Type *to)
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520 {
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521 //printf("Type::implicitConvTo(this=%p, to=%p)\n", this, to);
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522 //printf("\tthis->next=%p, to->next=%p\n", this->next, to->next);
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523 if (this == to)
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524 return MATCHexact;
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525 // if (to->ty == Tvoid)
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526 // return 1;
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527 return MATCHnomatch;
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528 }
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529
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530 Expression *Type::getProperty(Loc loc, Identifier *ident)
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531 { Expression *e;
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532
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533 #if LOGDOTEXP
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534 printf("Type::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars());
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535 #endif
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536 if (ident == Id::__sizeof)
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537 {
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538 e = new IntegerExp(loc, size(loc), Type::tsize_t);
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539 }
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540 else if (ident == Id::size)
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541 {
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542 error(loc, ".size property should be replaced with .sizeof");
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543 e = new IntegerExp(loc, size(loc), Type::tsize_t);
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544 }
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545 else if (ident == Id::alignof)
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546 {
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547 e = new IntegerExp(loc, alignsize(), Type::tsize_t);
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548 }
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549 else if (ident == Id::typeinfo)
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550 {
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551 if (!global.params.useDeprecated)
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552 error(loc, ".typeinfo deprecated, use typeid(type)");
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553 e = getTypeInfo(NULL);
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|
554 }
|
|
555 else if (ident == Id::init)
|
|
556 {
|
|
557 e = defaultInit();
|
|
558 e->loc = loc;
|
|
559 }
|
|
560 else if (ident == Id::mangleof)
|
|
561 {
|
|
562 assert(deco);
|
|
563 e = new StringExp(loc, deco, strlen(deco), 'c');
|
|
564 Scope sc;
|
|
565 e = e->semantic(&sc);
|
|
566 }
|
|
567 else if (ident == Id::stringof)
|
|
568 { char *s = toChars();
|
|
569 e = new StringExp(loc, s, strlen(s), 'c');
|
|
570 Scope sc;
|
|
571 e = e->semantic(&sc);
|
|
572 }
|
|
573 else
|
|
574 {
|
|
575 error(loc, "no property '%s' for type '%s'", ident->toChars(), toChars());
|
|
576 e = new IntegerExp(loc, 1, Type::tint32);
|
|
577 }
|
|
578 return e;
|
|
579 }
|
|
580
|
|
581 Expression *Type::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
582 { VarDeclaration *v = NULL;
|
|
583
|
|
584 #if LOGDOTEXP
|
|
585 printf("Type::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
586 #endif
|
|
587 if (e->op == TOKdotvar)
|
|
588 {
|
|
589 DotVarExp *dv = (DotVarExp *)e;
|
|
590 v = dv->var->isVarDeclaration();
|
|
591 }
|
|
592 else if (e->op == TOKvar)
|
|
593 {
|
|
594 VarExp *ve = (VarExp *)e;
|
|
595 v = ve->var->isVarDeclaration();
|
|
596 }
|
|
597 if (v)
|
|
598 {
|
|
599 if (ident == Id::offset)
|
|
600 {
|
|
601 if (!global.params.useDeprecated)
|
|
602 error(e->loc, ".offset deprecated, use .offsetof");
|
|
603 goto Loffset;
|
|
604 }
|
|
605 else if (ident == Id::offsetof)
|
|
606 {
|
|
607 Loffset:
|
|
608 if (v->storage_class & STCfield)
|
|
609 {
|
|
610 e = new IntegerExp(e->loc, v->offset, Type::tsize_t);
|
|
611 return e;
|
|
612 }
|
|
613 }
|
|
614 else if (ident == Id::init)
|
|
615 {
|
|
616 #if 0
|
|
617 if (v->init)
|
|
618 {
|
|
619 if (v->init->isVoidInitializer())
|
|
620 error(e->loc, "%s.init is void", v->toChars());
|
|
621 else
|
|
622 { Loc loc = e->loc;
|
|
623 e = v->init->toExpression();
|
|
624 if (e->op == TOKassign || e->op == TOKconstruct)
|
|
625 {
|
|
626 e = ((AssignExp *)e)->e2;
|
|
627
|
|
628 /* Take care of case where we used a 0
|
|
629 * to initialize the struct.
|
|
630 */
|
|
631 if (e->type == Type::tint32 &&
|
|
632 e->isBool(0) &&
|
|
633 v->type->toBasetype()->ty == Tstruct)
|
|
634 {
|
|
635 e = v->type->defaultInit();
|
|
636 }
|
|
637 }
|
|
638 e = e->optimize(WANTvalue | WANTinterpret);
|
|
639 // if (!e->isConst())
|
|
640 // error(loc, ".init cannot be evaluated at compile time");
|
|
641 }
|
|
642 return e;
|
|
643 }
|
|
644 #endif
|
|
645 return defaultInit();
|
|
646 }
|
|
647 }
|
|
648 if (ident == Id::typeinfo)
|
|
649 {
|
|
650 if (!global.params.useDeprecated)
|
|
651 error(e->loc, ".typeinfo deprecated, use typeid(type)");
|
|
652 e = getTypeInfo(sc);
|
|
653 return e;
|
|
654 }
|
|
655 if (ident == Id::stringof)
|
|
656 { char *s = e->toChars();
|
|
657 e = new StringExp(e->loc, s, strlen(s), 'c');
|
|
658 Scope sc;
|
|
659 e = e->semantic(&sc);
|
|
660 return e;
|
|
661 }
|
|
662 return getProperty(e->loc, ident);
|
|
663 }
|
|
664
|
|
665 unsigned Type::memalign(unsigned salign)
|
|
666 {
|
|
667 return salign;
|
|
668 }
|
|
669
|
|
670 void Type::error(Loc loc, const char *format, ...)
|
|
671 {
|
|
672 va_list ap;
|
|
673 va_start(ap, format);
|
|
674 ::verror(loc, format, ap);
|
|
675 va_end( ap );
|
|
676 }
|
|
677
|
|
678 Identifier *Type::getTypeInfoIdent(int internal)
|
|
679 {
|
|
680 // _init_10TypeInfo_%s
|
|
681 OutBuffer buf;
|
|
682 Identifier *id;
|
|
683 char *name;
|
|
684 int len;
|
|
685
|
|
686 //toTypeInfoBuffer(&buf);
|
|
687 if (internal)
|
|
688 { buf.writeByte(mangleChar[ty]);
|
|
689 if (ty == Tarray)
|
|
690 buf.writeByte(mangleChar[next->ty]);
|
|
691 }
|
|
692 else
|
|
693 toDecoBuffer(&buf);
|
|
694 len = buf.offset;
|
|
695 name = (char *)alloca(19 + sizeof(len) * 3 + len + 1);
|
|
696 buf.writeByte(0);
|
|
697 sprintf(name, "_D%dTypeInfo_%s6__initZ", 9 + len, buf.data);
|
|
698 if (global.params.isWindows)
|
|
699 name++; // C mangling will add it back in
|
|
700 //printf("name = %s\n", name);
|
|
701 id = Lexer::idPool(name);
|
|
702 return id;
|
|
703 }
|
|
704
|
|
705 TypeBasic *Type::isTypeBasic()
|
|
706 {
|
|
707 return NULL;
|
|
708 }
|
|
709
|
|
710
|
|
711 void Type::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps)
|
|
712 {
|
|
713 Type *t;
|
|
714
|
|
715 t = semantic(loc, sc);
|
|
716 *pt = t;
|
|
717 *pe = NULL;
|
|
718 *ps = NULL;
|
|
719 }
|
|
720
|
|
721 /*******************************
|
|
722 * If one of the subtypes of this type is a TypeIdentifier,
|
|
723 * i.e. it's an unresolved type, return that type.
|
|
724 */
|
|
725
|
|
726 Type *Type::reliesOnTident()
|
|
727 {
|
|
728 if (!next)
|
|
729 return NULL;
|
|
730 else
|
|
731 return next->reliesOnTident();
|
|
732 }
|
|
733
|
|
734 /********************************
|
|
735 * We've mistakenly parsed this as a type.
|
|
736 * Redo it as an Expression.
|
|
737 * NULL if cannot.
|
|
738 */
|
|
739
|
|
740 Expression *Type::toExpression()
|
|
741 {
|
|
742 return NULL;
|
|
743 }
|
|
744
|
|
745 /***************************************
|
|
746 * Return !=0 if type has pointers that need to
|
|
747 * be scanned by the GC during a collection cycle.
|
|
748 */
|
|
749
|
|
750 int Type::hasPointers()
|
|
751 {
|
|
752 return FALSE;
|
|
753 }
|
|
754
|
|
755 /* ============================= TypeBasic =========================== */
|
|
756
|
|
757 TypeBasic::TypeBasic(TY ty)
|
|
758 : Type(ty, NULL)
|
|
759 { char *c;
|
|
760 char *d;
|
|
761 unsigned flags;
|
|
762
|
|
763 #define TFLAGSintegral 1
|
|
764 #define TFLAGSfloating 2
|
|
765 #define TFLAGSunsigned 4
|
|
766 #define TFLAGSreal 8
|
|
767 #define TFLAGSimaginary 0x10
|
|
768 #define TFLAGScomplex 0x20
|
|
769
|
|
770 flags = 0;
|
|
771 switch (ty)
|
|
772 {
|
|
773 case Tvoid: d = Token::toChars(TOKvoid);
|
|
774 c = "void";
|
|
775 break;
|
|
776
|
|
777 case Tint8: d = Token::toChars(TOKint8);
|
|
778 c = "byte";
|
|
779 flags |= TFLAGSintegral;
|
|
780 break;
|
|
781
|
|
782 case Tuns8: d = Token::toChars(TOKuns8);
|
|
783 c = "ubyte";
|
|
784 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
785 break;
|
|
786
|
|
787 case Tint16: d = Token::toChars(TOKint16);
|
|
788 c = "short";
|
|
789 flags |= TFLAGSintegral;
|
|
790 break;
|
|
791
|
|
792 case Tuns16: d = Token::toChars(TOKuns16);
|
|
793 c = "ushort";
|
|
794 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
795 break;
|
|
796
|
|
797 case Tint32: d = Token::toChars(TOKint32);
|
|
798 c = "int";
|
|
799 flags |= TFLAGSintegral;
|
|
800 break;
|
|
801
|
|
802 case Tuns32: d = Token::toChars(TOKuns32);
|
|
803 c = "uint";
|
|
804 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
805 break;
|
|
806
|
|
807 case Tfloat32: d = Token::toChars(TOKfloat32);
|
|
808 c = "float";
|
|
809 flags |= TFLAGSfloating | TFLAGSreal;
|
|
810 break;
|
|
811
|
|
812 case Tint64: d = Token::toChars(TOKint64);
|
|
813 c = "long";
|
|
814 flags |= TFLAGSintegral;
|
|
815 break;
|
|
816
|
|
817 case Tuns64: d = Token::toChars(TOKuns64);
|
|
818 c = "ulong";
|
|
819 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
820 break;
|
|
821
|
|
822 case Tfloat64: d = Token::toChars(TOKfloat64);
|
|
823 c = "double";
|
|
824 flags |= TFLAGSfloating | TFLAGSreal;
|
|
825 break;
|
|
826
|
|
827 case Tfloat80: d = Token::toChars(TOKfloat80);
|
|
828 c = "real";
|
|
829 flags |= TFLAGSfloating | TFLAGSreal;
|
|
830 break;
|
|
831
|
|
832 case Timaginary32: d = Token::toChars(TOKimaginary32);
|
|
833 c = "ifloat";
|
|
834 flags |= TFLAGSfloating | TFLAGSimaginary;
|
|
835 break;
|
|
836
|
|
837 case Timaginary64: d = Token::toChars(TOKimaginary64);
|
|
838 c = "idouble";
|
|
839 flags |= TFLAGSfloating | TFLAGSimaginary;
|
|
840 break;
|
|
841
|
|
842 case Timaginary80: d = Token::toChars(TOKimaginary80);
|
|
843 c = "ireal";
|
|
844 flags |= TFLAGSfloating | TFLAGSimaginary;
|
|
845 break;
|
|
846
|
|
847 case Tcomplex32: d = Token::toChars(TOKcomplex32);
|
|
848 c = "cfloat";
|
|
849 flags |= TFLAGSfloating | TFLAGScomplex;
|
|
850 break;
|
|
851
|
|
852 case Tcomplex64: d = Token::toChars(TOKcomplex64);
|
|
853 c = "cdouble";
|
|
854 flags |= TFLAGSfloating | TFLAGScomplex;
|
|
855 break;
|
|
856
|
|
857 case Tcomplex80: d = Token::toChars(TOKcomplex80);
|
|
858 c = "creal";
|
|
859 flags |= TFLAGSfloating | TFLAGScomplex;
|
|
860 break;
|
|
861
|
|
862
|
|
863 case Tbit: d = Token::toChars(TOKbit);
|
|
864 c = "bit";
|
|
865 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
866 break;
|
|
867
|
|
868 case Tbool: d = "bool";
|
|
869 c = d;
|
|
870 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
871 break;
|
|
872
|
|
873 case Tascii: d = Token::toChars(TOKchar);
|
|
874 c = "char";
|
|
875 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
876 break;
|
|
877
|
|
878 case Twchar: d = Token::toChars(TOKwchar);
|
|
879 c = "wchar";
|
|
880 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
881 break;
|
|
882
|
|
883 case Tdchar: d = Token::toChars(TOKdchar);
|
|
884 c = "dchar";
|
|
885 flags |= TFLAGSintegral | TFLAGSunsigned;
|
|
886 break;
|
|
887
|
|
888 default: assert(0);
|
|
889 }
|
|
890 this->dstring = d;
|
|
891 this->cstring = c;
|
|
892 this->flags = flags;
|
|
893 merge();
|
|
894 }
|
|
895
|
|
896 Type *TypeBasic::syntaxCopy()
|
|
897 {
|
|
898 // No semantic analysis done on basic types, no need to copy
|
|
899 return this;
|
|
900 }
|
|
901
|
|
902
|
|
903 char *TypeBasic::toChars()
|
|
904 {
|
|
905 return dstring;
|
|
906 }
|
|
907
|
|
908 void TypeBasic::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
909 {
|
|
910 buf->prependstring(cstring);
|
|
911 if (ident)
|
|
912 { buf->writeByte(' ');
|
|
913 buf->writestring(ident->toChars());
|
|
914 }
|
|
915 }
|
|
916
|
|
917 d_uns64 TypeBasic::size(Loc loc)
|
|
918 { unsigned size;
|
|
919
|
|
920 //printf("TypeBasic::size()\n");
|
|
921 switch (ty)
|
|
922 {
|
|
923 case Tint8:
|
|
924 case Tuns8: size = 1; break;
|
|
925 case Tint16:
|
|
926 case Tuns16: size = 2; break;
|
|
927 case Tint32:
|
|
928 case Tuns32:
|
|
929 case Tfloat32:
|
|
930 case Timaginary32:
|
|
931 size = 4; break;
|
|
932 case Tint64:
|
|
933 case Tuns64:
|
|
934 case Tfloat64:
|
|
935 case Timaginary64:
|
|
936 size = 8; break;
|
|
937 case Tfloat80:
|
|
938 case Timaginary80:
|
|
939 size = REALSIZE; break;
|
|
940 case Tcomplex32:
|
|
941 size = 8; break;
|
|
942 case Tcomplex64:
|
|
943 size = 16; break;
|
|
944 case Tcomplex80:
|
|
945 size = REALSIZE * 2; break;
|
|
946
|
|
947 case Tvoid:
|
|
948 //size = Type::size(); // error message
|
|
949 size = 1;
|
|
950 break;
|
|
951
|
|
952 case Tbit: size = 1; break;
|
|
953 case Tbool: size = 1; break;
|
|
954 case Tascii: size = 1; break;
|
|
955 case Twchar: size = 2; break;
|
|
956 case Tdchar: size = 4; break;
|
|
957
|
|
958 default:
|
|
959 assert(0);
|
|
960 break;
|
|
961 }
|
|
962 //printf("TypeBasic::size() = %d\n", size);
|
|
963 return size;
|
|
964 }
|
|
965
|
|
966 unsigned TypeBasic::alignsize()
|
|
967 { unsigned sz;
|
|
968
|
|
969 switch (ty)
|
|
970 {
|
|
971 case Tfloat80:
|
|
972 case Timaginary80:
|
|
973 case Tcomplex80:
|
|
974 sz = REALSIZE;
|
|
975 break;
|
|
976
|
|
977 default:
|
|
978 sz = size(0);
|
|
979 break;
|
|
980 }
|
|
981 return sz;
|
|
982 }
|
|
983
|
|
984
|
|
985 Expression *TypeBasic::getProperty(Loc loc, Identifier *ident)
|
|
986 {
|
|
987 Expression *e;
|
|
988 d_int64 ivalue;
|
|
989 #ifdef IN_GCC
|
|
990 real_t fvalue;
|
|
991 #else
|
|
992 d_float80 fvalue;
|
|
993 #endif
|
|
994
|
|
995 //printf("TypeBasic::getProperty('%s')\n", ident->toChars());
|
|
996 if (ident == Id::max)
|
|
997 {
|
|
998 switch (ty)
|
|
999 {
|
|
1000 case Tint8: ivalue = 0x7F; goto Livalue;
|
|
1001 case Tuns8: ivalue = 0xFF; goto Livalue;
|
|
1002 case Tint16: ivalue = 0x7FFFUL; goto Livalue;
|
|
1003 case Tuns16: ivalue = 0xFFFFUL; goto Livalue;
|
|
1004 case Tint32: ivalue = 0x7FFFFFFFUL; goto Livalue;
|
|
1005 case Tuns32: ivalue = 0xFFFFFFFFUL; goto Livalue;
|
|
1006 case Tint64: ivalue = 0x7FFFFFFFFFFFFFFFLL; goto Livalue;
|
|
1007 case Tuns64: ivalue = 0xFFFFFFFFFFFFFFFFULL; goto Livalue;
|
|
1008 case Tbit: ivalue = 1; goto Livalue;
|
|
1009 case Tbool: ivalue = 1; goto Livalue;
|
|
1010 case Tchar: ivalue = 0xFF; goto Livalue;
|
|
1011 case Twchar: ivalue = 0xFFFFUL; goto Livalue;
|
|
1012 case Tdchar: ivalue = 0x10FFFFUL; goto Livalue;
|
|
1013
|
|
1014 case Tcomplex32:
|
|
1015 case Timaginary32:
|
|
1016 case Tfloat32: fvalue = FLT_MAX; goto Lfvalue;
|
|
1017 case Tcomplex64:
|
|
1018 case Timaginary64:
|
|
1019 case Tfloat64: fvalue = DBL_MAX; goto Lfvalue;
|
|
1020 case Tcomplex80:
|
|
1021 case Timaginary80:
|
|
1022 case Tfloat80: fvalue = LDBL_MAX; goto Lfvalue;
|
|
1023 }
|
|
1024 }
|
|
1025 else if (ident == Id::min)
|
|
1026 {
|
|
1027 switch (ty)
|
|
1028 {
|
|
1029 case Tint8: ivalue = -128; goto Livalue;
|
|
1030 case Tuns8: ivalue = 0; goto Livalue;
|
|
1031 case Tint16: ivalue = -32768; goto Livalue;
|
|
1032 case Tuns16: ivalue = 0; goto Livalue;
|
|
1033 case Tint32: ivalue = -2147483647L - 1; goto Livalue;
|
|
1034 case Tuns32: ivalue = 0; goto Livalue;
|
|
1035 case Tint64: ivalue = (-9223372036854775807LL-1LL); goto Livalue;
|
|
1036 case Tuns64: ivalue = 0; goto Livalue;
|
|
1037 case Tbit: ivalue = 0; goto Livalue;
|
|
1038 case Tbool: ivalue = 0; goto Livalue;
|
|
1039 case Tchar: ivalue = 0; goto Livalue;
|
|
1040 case Twchar: ivalue = 0; goto Livalue;
|
|
1041 case Tdchar: ivalue = 0; goto Livalue;
|
|
1042
|
|
1043 case Tcomplex32:
|
|
1044 case Timaginary32:
|
|
1045 case Tfloat32: fvalue = FLT_MIN; goto Lfvalue;
|
|
1046 case Tcomplex64:
|
|
1047 case Timaginary64:
|
|
1048 case Tfloat64: fvalue = DBL_MIN; goto Lfvalue;
|
|
1049 case Tcomplex80:
|
|
1050 case Timaginary80:
|
|
1051 case Tfloat80: fvalue = LDBL_MIN; goto Lfvalue;
|
|
1052 }
|
|
1053 }
|
|
1054 else if (ident == Id::nan)
|
|
1055 {
|
|
1056 switch (ty)
|
|
1057 {
|
|
1058 case Tcomplex32:
|
|
1059 case Tcomplex64:
|
|
1060 case Tcomplex80:
|
|
1061 case Timaginary32:
|
|
1062 case Timaginary64:
|
|
1063 case Timaginary80:
|
|
1064 case Tfloat32:
|
|
1065 case Tfloat64:
|
|
1066 case Tfloat80:
|
|
1067 {
|
|
1068 #if IN_GCC
|
|
1069 // mode doesn't matter, will be converted in RealExp anyway
|
|
1070 fvalue = real_t::getnan(real_t::LongDouble);
|
|
1071 #elif __GNUC__
|
|
1072 // gcc nan's have the sign bit set by default, so turn it off
|
|
1073 // Need the volatile to prevent gcc from doing incorrect
|
|
1074 // constant folding.
|
|
1075 volatile d_float80 foo;
|
|
1076 foo = NAN;
|
|
1077 if (signbit(foo)) // signbit sometimes, not always, set
|
|
1078 foo = -foo; // turn off sign bit
|
|
1079 fvalue = foo;
|
|
1080 #elif _MSC_VER
|
|
1081 unsigned long nan[2]= { 0xFFFFFFFF, 0x7FFFFFFF };
|
|
1082 fvalue = *(double*)nan;
|
|
1083 #else
|
|
1084 fvalue = NAN;
|
|
1085 #endif
|
|
1086 goto Lfvalue;
|
|
1087 }
|
|
1088 }
|
|
1089 }
|
|
1090 else if (ident == Id::infinity)
|
|
1091 {
|
|
1092 switch (ty)
|
|
1093 {
|
|
1094 case Tcomplex32:
|
|
1095 case Tcomplex64:
|
|
1096 case Tcomplex80:
|
|
1097 case Timaginary32:
|
|
1098 case Timaginary64:
|
|
1099 case Timaginary80:
|
|
1100 case Tfloat32:
|
|
1101 case Tfloat64:
|
|
1102 case Tfloat80:
|
|
1103 #if IN_GCC
|
|
1104 fvalue = real_t::getinfinity();
|
|
1105 #elif __GNUC__
|
|
1106 fvalue = 1 / zero;
|
|
1107 #elif _MSC_VER
|
|
1108 fvalue = std::numeric_limits<long double>::infinity();
|
|
1109 #else
|
|
1110 fvalue = INFINITY;
|
|
1111 #endif
|
|
1112 goto Lfvalue;
|
|
1113 }
|
|
1114 }
|
|
1115 else if (ident == Id::dig)
|
|
1116 {
|
|
1117 switch (ty)
|
|
1118 {
|
|
1119 case Tcomplex32:
|
|
1120 case Timaginary32:
|
|
1121 case Tfloat32: ivalue = FLT_DIG; goto Lint;
|
|
1122 case Tcomplex64:
|
|
1123 case Timaginary64:
|
|
1124 case Tfloat64: ivalue = DBL_DIG; goto Lint;
|
|
1125 case Tcomplex80:
|
|
1126 case Timaginary80:
|
|
1127 case Tfloat80: ivalue = LDBL_DIG; goto Lint;
|
|
1128 }
|
|
1129 }
|
|
1130 else if (ident == Id::epsilon)
|
|
1131 {
|
|
1132 switch (ty)
|
|
1133 {
|
|
1134 case Tcomplex32:
|
|
1135 case Timaginary32:
|
|
1136 case Tfloat32: fvalue = FLT_EPSILON; goto Lfvalue;
|
|
1137 case Tcomplex64:
|
|
1138 case Timaginary64:
|
|
1139 case Tfloat64: fvalue = DBL_EPSILON; goto Lfvalue;
|
|
1140 case Tcomplex80:
|
|
1141 case Timaginary80:
|
|
1142 case Tfloat80: fvalue = LDBL_EPSILON; goto Lfvalue;
|
|
1143 }
|
|
1144 }
|
|
1145 else if (ident == Id::mant_dig)
|
|
1146 {
|
|
1147 switch (ty)
|
|
1148 {
|
|
1149 case Tcomplex32:
|
|
1150 case Timaginary32:
|
|
1151 case Tfloat32: ivalue = FLT_MANT_DIG; goto Lint;
|
|
1152 case Tcomplex64:
|
|
1153 case Timaginary64:
|
|
1154 case Tfloat64: ivalue = DBL_MANT_DIG; goto Lint;
|
|
1155 case Tcomplex80:
|
|
1156 case Timaginary80:
|
|
1157 case Tfloat80: ivalue = LDBL_MANT_DIG; goto Lint;
|
|
1158 }
|
|
1159 }
|
|
1160 else if (ident == Id::max_10_exp)
|
|
1161 {
|
|
1162 switch (ty)
|
|
1163 {
|
|
1164 case Tcomplex32:
|
|
1165 case Timaginary32:
|
|
1166 case Tfloat32: ivalue = FLT_MAX_10_EXP; goto Lint;
|
|
1167 case Tcomplex64:
|
|
1168 case Timaginary64:
|
|
1169 case Tfloat64: ivalue = DBL_MAX_10_EXP; goto Lint;
|
|
1170 case Tcomplex80:
|
|
1171 case Timaginary80:
|
|
1172 case Tfloat80: ivalue = LDBL_MAX_10_EXP; goto Lint;
|
|
1173 }
|
|
1174 }
|
|
1175 else if (ident == Id::max_exp)
|
|
1176 {
|
|
1177 switch (ty)
|
|
1178 {
|
|
1179 case Tcomplex32:
|
|
1180 case Timaginary32:
|
|
1181 case Tfloat32: ivalue = FLT_MAX_EXP; goto Lint;
|
|
1182 case Tcomplex64:
|
|
1183 case Timaginary64:
|
|
1184 case Tfloat64: ivalue = DBL_MAX_EXP; goto Lint;
|
|
1185 case Tcomplex80:
|
|
1186 case Timaginary80:
|
|
1187 case Tfloat80: ivalue = LDBL_MAX_EXP; goto Lint;
|
|
1188 }
|
|
1189 }
|
|
1190 else if (ident == Id::min_10_exp)
|
|
1191 {
|
|
1192 switch (ty)
|
|
1193 {
|
|
1194 case Tcomplex32:
|
|
1195 case Timaginary32:
|
|
1196 case Tfloat32: ivalue = FLT_MIN_10_EXP; goto Lint;
|
|
1197 case Tcomplex64:
|
|
1198 case Timaginary64:
|
|
1199 case Tfloat64: ivalue = DBL_MIN_10_EXP; goto Lint;
|
|
1200 case Tcomplex80:
|
|
1201 case Timaginary80:
|
|
1202 case Tfloat80: ivalue = LDBL_MIN_10_EXP; goto Lint;
|
|
1203 }
|
|
1204 }
|
|
1205 else if (ident == Id::min_exp)
|
|
1206 {
|
|
1207 switch (ty)
|
|
1208 {
|
|
1209 case Tcomplex32:
|
|
1210 case Timaginary32:
|
|
1211 case Tfloat32: ivalue = FLT_MIN_EXP; goto Lint;
|
|
1212 case Tcomplex64:
|
|
1213 case Timaginary64:
|
|
1214 case Tfloat64: ivalue = DBL_MIN_EXP; goto Lint;
|
|
1215 case Tcomplex80:
|
|
1216 case Timaginary80:
|
|
1217 case Tfloat80: ivalue = LDBL_MIN_EXP; goto Lint;
|
|
1218 }
|
|
1219 }
|
|
1220
|
|
1221 Ldefault:
|
|
1222 return Type::getProperty(loc, ident);
|
|
1223
|
|
1224 Livalue:
|
|
1225 e = new IntegerExp(loc, ivalue, this);
|
|
1226 return e;
|
|
1227
|
|
1228 Lfvalue:
|
|
1229 if (isreal() || isimaginary())
|
|
1230 e = new RealExp(loc, fvalue, this);
|
|
1231 else
|
|
1232 {
|
|
1233 complex_t cvalue;
|
|
1234
|
|
1235 #if __DMC__
|
|
1236 //((real_t *)&cvalue)[0] = fvalue;
|
|
1237 //((real_t *)&cvalue)[1] = fvalue;
|
|
1238 cvalue = fvalue + fvalue * I;
|
|
1239 #else
|
|
1240 cvalue.re = fvalue;
|
|
1241 cvalue.im = fvalue;
|
|
1242 #endif
|
|
1243 //for (int i = 0; i < 20; i++)
|
|
1244 // printf("%02x ", ((unsigned char *)&cvalue)[i]);
|
|
1245 //printf("\n");
|
|
1246 e = new ComplexExp(loc, cvalue, this);
|
|
1247 }
|
|
1248 return e;
|
|
1249
|
|
1250 Lint:
|
|
1251 e = new IntegerExp(loc, ivalue, Type::tint32);
|
|
1252 return e;
|
|
1253 }
|
|
1254
|
|
1255 Expression *TypeBasic::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
1256 {
|
|
1257 #if LOGDOTEXP
|
|
1258 printf("TypeBasic::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
1259 #endif
|
|
1260 Type *t;
|
|
1261
|
|
1262 if (ident == Id::re)
|
|
1263 {
|
|
1264 switch (ty)
|
|
1265 {
|
|
1266 case Tcomplex32: t = tfloat32; goto L1;
|
|
1267 case Tcomplex64: t = tfloat64; goto L1;
|
|
1268 case Tcomplex80: t = tfloat80; goto L1;
|
|
1269 L1:
|
|
1270 e = e->castTo(sc, t);
|
|
1271 break;
|
|
1272
|
|
1273 case Tfloat32:
|
|
1274 case Tfloat64:
|
|
1275 case Tfloat80:
|
|
1276 break;
|
|
1277
|
|
1278 case Timaginary32: t = tfloat32; goto L2;
|
|
1279 case Timaginary64: t = tfloat64; goto L2;
|
|
1280 case Timaginary80: t = tfloat80; goto L2;
|
|
1281 L2:
|
|
1282 e = new RealExp(0, 0.0, t);
|
|
1283 break;
|
|
1284
|
|
1285 default:
|
|
1286 return Type::getProperty(e->loc, ident);
|
|
1287 }
|
|
1288 }
|
|
1289 else if (ident == Id::im)
|
|
1290 { Type *t2;
|
|
1291
|
|
1292 switch (ty)
|
|
1293 {
|
|
1294 case Tcomplex32: t = timaginary32; t2 = tfloat32; goto L3;
|
|
1295 case Tcomplex64: t = timaginary64; t2 = tfloat64; goto L3;
|
|
1296 case Tcomplex80: t = timaginary80; t2 = tfloat80; goto L3;
|
|
1297 L3:
|
|
1298 e = e->castTo(sc, t);
|
|
1299 e->type = t2;
|
|
1300 break;
|
|
1301
|
|
1302 case Timaginary32: t = tfloat32; goto L4;
|
|
1303 case Timaginary64: t = tfloat64; goto L4;
|
|
1304 case Timaginary80: t = tfloat80; goto L4;
|
|
1305 L4:
|
|
1306 e->type = t;
|
|
1307 break;
|
|
1308
|
|
1309 case Tfloat32:
|
|
1310 case Tfloat64:
|
|
1311 case Tfloat80:
|
|
1312 e = new RealExp(0, 0.0, this);
|
|
1313 break;
|
|
1314
|
|
1315 default:
|
|
1316 return Type::getProperty(e->loc, ident);
|
|
1317 }
|
|
1318 }
|
|
1319 else
|
|
1320 {
|
|
1321 return Type::dotExp(sc, e, ident);
|
|
1322 }
|
|
1323 return e;
|
|
1324 }
|
|
1325
|
|
1326 Expression *TypeBasic::defaultInit()
|
|
1327 { integer_t value = 0;
|
|
1328
|
|
1329 #if LOGDEFAULTINIT
|
|
1330 printf("TypeBasic::defaultInit() '%s'\n", toChars());
|
|
1331 #endif
|
|
1332 switch (ty)
|
|
1333 {
|
|
1334 case Tchar:
|
|
1335 value = 0xFF;
|
|
1336 break;
|
|
1337
|
|
1338 case Twchar:
|
|
1339 case Tdchar:
|
|
1340 value = 0xFFFF;
|
|
1341 break;
|
|
1342
|
|
1343 case Timaginary32:
|
|
1344 case Timaginary64:
|
|
1345 case Timaginary80:
|
|
1346 case Tfloat32:
|
|
1347 case Tfloat64:
|
|
1348 case Tfloat80:
|
|
1349 case Tcomplex32:
|
|
1350 case Tcomplex64:
|
|
1351 case Tcomplex80:
|
|
1352 return getProperty(0, Id::nan);
|
|
1353 }
|
|
1354 return new IntegerExp(0, value, this);
|
|
1355 }
|
|
1356
|
|
1357 int TypeBasic::isZeroInit()
|
|
1358 {
|
|
1359 switch (ty)
|
|
1360 {
|
|
1361 case Tchar:
|
|
1362 case Twchar:
|
|
1363 case Tdchar:
|
|
1364 case Timaginary32:
|
|
1365 case Timaginary64:
|
|
1366 case Timaginary80:
|
|
1367 case Tfloat32:
|
|
1368 case Tfloat64:
|
|
1369 case Tfloat80:
|
|
1370 case Tcomplex32:
|
|
1371 case Tcomplex64:
|
|
1372 case Tcomplex80:
|
|
1373 return 0; // no
|
|
1374 }
|
|
1375 return 1; // yes
|
|
1376 }
|
|
1377
|
|
1378 int TypeBasic::isbit()
|
|
1379 {
|
|
1380 return (ty == Tbit);
|
|
1381 }
|
|
1382
|
|
1383 int TypeBasic::isintegral()
|
|
1384 {
|
|
1385 //printf("TypeBasic::isintegral('%s') x%x\n", toChars(), flags);
|
|
1386 return flags & TFLAGSintegral;
|
|
1387 }
|
|
1388
|
|
1389 int TypeBasic::isfloating()
|
|
1390 {
|
|
1391 return flags & TFLAGSfloating;
|
|
1392 }
|
|
1393
|
|
1394 int TypeBasic::isreal()
|
|
1395 {
|
|
1396 return flags & TFLAGSreal;
|
|
1397 }
|
|
1398
|
|
1399 int TypeBasic::isimaginary()
|
|
1400 {
|
|
1401 return flags & TFLAGSimaginary;
|
|
1402 }
|
|
1403
|
|
1404 int TypeBasic::iscomplex()
|
|
1405 {
|
|
1406 return flags & TFLAGScomplex;
|
|
1407 }
|
|
1408
|
|
1409 int TypeBasic::isunsigned()
|
|
1410 {
|
|
1411 return flags & TFLAGSunsigned;
|
|
1412 }
|
|
1413
|
|
1414 int TypeBasic::isscalar()
|
|
1415 {
|
|
1416 return flags & (TFLAGSintegral | TFLAGSfloating);
|
|
1417 }
|
|
1418
|
|
1419 MATCH TypeBasic::implicitConvTo(Type *to)
|
|
1420 {
|
|
1421 //printf("TypeBasic::implicitConvTo(%s) from %s\n", to->toChars(), toChars());
|
|
1422 if (this == to)
|
|
1423 return MATCHexact;
|
|
1424
|
|
1425 if (ty == Tvoid || to->ty == Tvoid)
|
|
1426 return MATCHnomatch;
|
|
1427 if (1 || global.params.Dversion == 1)
|
|
1428 {
|
|
1429 if (to->ty == Tbool)
|
|
1430 return MATCHnomatch;
|
|
1431 }
|
|
1432 else
|
|
1433 {
|
|
1434 if (ty == Tbool || to->ty == Tbool)
|
|
1435 return MATCHnomatch;
|
|
1436 }
|
|
1437 if (!to->isTypeBasic())
|
|
1438 return MATCHnomatch;
|
|
1439
|
|
1440 TypeBasic *tob = (TypeBasic *)to;
|
|
1441 if (flags & TFLAGSintegral)
|
|
1442 {
|
|
1443 // Disallow implicit conversion of integers to imaginary or complex
|
|
1444 if (tob->flags & (TFLAGSimaginary | TFLAGScomplex))
|
|
1445 return MATCHnomatch;
|
|
1446
|
|
1447 // If converting to integral
|
|
1448 if (0 && global.params.Dversion > 1 && tob->flags & TFLAGSintegral)
|
|
1449 { d_uns64 sz = size(0);
|
|
1450 d_uns64 tosz = tob->size(0);
|
|
1451
|
|
1452 /* Can't convert to smaller size or, if same size, change sign
|
|
1453 */
|
|
1454 if (sz > tosz)
|
|
1455 return MATCHnomatch;
|
|
1456
|
|
1457 /*if (sz == tosz && (flags ^ tob->flags) & TFLAGSunsigned)
|
|
1458 return MATCHnomatch;*/
|
|
1459 }
|
|
1460 }
|
|
1461 else if (flags & TFLAGSfloating)
|
|
1462 {
|
|
1463 // Disallow implicit conversion of floating point to integer
|
|
1464 if (tob->flags & TFLAGSintegral)
|
|
1465 return MATCHnomatch;
|
|
1466
|
|
1467 assert(tob->flags & TFLAGSfloating);
|
|
1468
|
|
1469 // Disallow implicit conversion from complex to non-complex
|
|
1470 if (flags & TFLAGScomplex && !(tob->flags & TFLAGScomplex))
|
|
1471 return MATCHnomatch;
|
|
1472
|
|
1473 // Disallow implicit conversion of real or imaginary to complex
|
|
1474 if (flags & (TFLAGSreal | TFLAGSimaginary) &&
|
|
1475 tob->flags & TFLAGScomplex)
|
|
1476 return MATCHnomatch;
|
|
1477
|
|
1478 // Disallow implicit conversion to-from real and imaginary
|
|
1479 if ((flags & (TFLAGSreal | TFLAGSimaginary)) !=
|
|
1480 (tob->flags & (TFLAGSreal | TFLAGSimaginary)))
|
|
1481 return MATCHnomatch;
|
|
1482 }
|
|
1483 return MATCHconvert;
|
|
1484 }
|
|
1485
|
|
1486 TypeBasic *TypeBasic::isTypeBasic()
|
|
1487 {
|
|
1488 return (TypeBasic *)this;
|
|
1489 }
|
|
1490
|
|
1491 /***************************** TypeArray *****************************/
|
|
1492
|
|
1493 TypeArray::TypeArray(TY ty, Type *next)
|
|
1494 : Type(ty, next)
|
|
1495 {
|
|
1496 }
|
|
1497
|
|
1498 Expression *TypeArray::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
1499 {
|
|
1500 Type *n = this->next->toBasetype(); // uncover any typedef's
|
|
1501
|
|
1502 #if LOGDOTEXP
|
|
1503 printf("TypeArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
1504 #endif
|
|
1505 if (ident == Id::reverse && (n->ty == Tchar || n->ty == Twchar))
|
|
1506 {
|
|
1507 Expression *ec;
|
|
1508 FuncDeclaration *fd;
|
|
1509 Expressions *arguments;
|
|
1510 char *nm;
|
|
1511 static char *name[2] = { "_adReverseChar", "_adReverseWchar" };
|
|
1512
|
|
1513 nm = name[n->ty == Twchar];
|
|
1514 fd = FuncDeclaration::genCfunc(Type::tindex, nm);
|
|
1515 ec = new VarExp(0, fd);
|
|
1516 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array
|
|
1517 arguments = new Expressions();
|
|
1518 arguments->push(e);
|
|
1519 e = new CallExp(e->loc, ec, arguments);
|
|
1520 e->type = next->arrayOf();
|
|
1521 }
|
|
1522 else if (ident == Id::sort && (n->ty == Tchar || n->ty == Twchar))
|
|
1523 {
|
|
1524 Expression *ec;
|
|
1525 FuncDeclaration *fd;
|
|
1526 Expressions *arguments;
|
|
1527 char *nm;
|
|
1528 static char *name[2] = { "_adSortChar", "_adSortWchar" };
|
|
1529
|
|
1530 nm = name[n->ty == Twchar];
|
|
1531 fd = FuncDeclaration::genCfunc(Type::tindex, nm);
|
|
1532 ec = new VarExp(0, fd);
|
|
1533 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array
|
|
1534 arguments = new Expressions();
|
|
1535 arguments->push(e);
|
|
1536 e = new CallExp(e->loc, ec, arguments);
|
|
1537 e->type = next->arrayOf();
|
|
1538 }
|
|
1539 else if (ident == Id::reverse || ident == Id::dup)
|
|
1540 {
|
|
1541 Expression *ec;
|
|
1542 FuncDeclaration *fd;
|
|
1543 Expressions *arguments;
|
|
1544 int size = next->size(e->loc);
|
|
1545 int dup;
|
|
1546
|
|
1547 assert(size);
|
|
1548 dup = (ident == Id::dup);
|
|
1549 fd = FuncDeclaration::genCfunc(Type::tindex, dup ? Id::adDup : Id::adReverse);
|
|
1550 ec = new VarExp(0, fd);
|
|
1551 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array
|
|
1552 arguments = new Expressions();
|
|
1553 if (dup)
|
|
1554 arguments->push(getTypeInfo(sc));
|
|
1555 arguments->push(e);
|
|
1556 if (!dup)
|
|
1557 arguments->push(new IntegerExp(0, size, Type::tint32));
|
|
1558 e = new CallExp(e->loc, ec, arguments);
|
|
1559 e->type = next->arrayOf();
|
|
1560 }
|
|
1561 else if (ident == Id::sort)
|
|
1562 {
|
|
1563 Expression *ec;
|
|
1564 FuncDeclaration *fd;
|
|
1565 Expressions *arguments;
|
|
1566
|
|
1567 fd = FuncDeclaration::genCfunc(tint32->arrayOf(),
|
|
1568 (char*)(n->ty == Tbit ? "_adSortBit" : "_adSort"));
|
|
1569 ec = new VarExp(0, fd);
|
|
1570 e = e->castTo(sc, n->arrayOf()); // convert to dynamic array
|
|
1571 arguments = new Expressions();
|
|
1572 arguments->push(e);
|
|
1573 if (next->ty != Tbit)
|
|
1574 arguments->push(n->ty == Tsarray
|
|
1575 ? n->getTypeInfo(sc) // don't convert to dynamic array
|
|
1576 : n->getInternalTypeInfo(sc));
|
|
1577 e = new CallExp(e->loc, ec, arguments);
|
|
1578 e->type = next->arrayOf();
|
|
1579 }
|
|
1580 else
|
|
1581 {
|
|
1582 e = Type::dotExp(sc, e, ident);
|
|
1583 }
|
|
1584 return e;
|
|
1585 }
|
|
1586
|
|
1587 void TypeArray::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
1588 {
|
|
1589 #if 1
|
|
1590 OutBuffer buf2;
|
|
1591 toPrettyBracket(&buf2, hgs);
|
|
1592 buf->prependstring(buf2.toChars());
|
|
1593 if (ident)
|
|
1594 {
|
|
1595 buf->writeByte(' ');
|
|
1596 buf->writestring(ident->toChars());
|
|
1597 }
|
|
1598 next->toCBuffer2(buf, NULL, hgs);
|
|
1599 #elif 1
|
|
1600 // The D way
|
|
1601 Type *t;
|
|
1602 OutBuffer buf2;
|
|
1603 for (t = this; 1; t = t->next)
|
|
1604 { TypeArray *ta;
|
|
1605
|
|
1606 ta = dynamic_cast<TypeArray *>(t);
|
|
1607 if (!ta)
|
|
1608 break;
|
|
1609 ta->toPrettyBracket(&buf2, hgs);
|
|
1610 }
|
|
1611 buf->prependstring(buf2.toChars());
|
|
1612 if (ident)
|
|
1613 {
|
|
1614 buf2.writestring(ident->toChars());
|
|
1615 }
|
|
1616 t->toCBuffer2(buf, NULL, hgs);
|
|
1617 #else
|
|
1618 // The C way
|
|
1619 if (buf->offset)
|
|
1620 { buf->bracket('(', ')');
|
|
1621 assert(!ident);
|
|
1622 }
|
|
1623 else if (ident)
|
|
1624 buf->writestring(ident->toChars());
|
|
1625 Type *t = this;
|
|
1626 do
|
|
1627 { Expression *dim;
|
|
1628 buf->writeByte('[');
|
|
1629 dim = ((TypeSArray *)t)->dim;
|
|
1630 if (dim)
|
|
1631 buf->printf("%lld", dim->toInteger());
|
|
1632 buf->writeByte(']');
|
|
1633 t = t->next;
|
|
1634 } while (t->ty == Tsarray);
|
|
1635 t->toCBuffer2(buf, NULL, hgs);
|
|
1636 #endif
|
|
1637 }
|
|
1638
|
|
1639
|
|
1640 /***************************** TypeSArray *****************************/
|
|
1641
|
|
1642 TypeSArray::TypeSArray(Type *t, Expression *dim)
|
|
1643 : TypeArray(Tsarray, t)
|
|
1644 {
|
|
1645 //printf("TypeSArray(%s)\n", dim->toChars());
|
|
1646 this->dim = dim;
|
|
1647 }
|
|
1648
|
|
1649 Type *TypeSArray::syntaxCopy()
|
|
1650 {
|
|
1651 Type *t = next->syntaxCopy();
|
|
1652 Expression *e = dim->syntaxCopy();
|
|
1653 t = new TypeSArray(t, e);
|
|
1654 return t;
|
|
1655 }
|
|
1656
|
|
1657 d_uns64 TypeSArray::size(Loc loc)
|
|
1658 { integer_t sz;
|
|
1659
|
|
1660 if (!dim)
|
|
1661 return Type::size(loc);
|
|
1662 sz = dim->toInteger();
|
|
1663 if (next->toBasetype()->ty == Tbit) // if array of bits
|
|
1664 {
|
|
1665 if (sz + 31 < sz)
|
|
1666 goto Loverflow;
|
|
1667 sz = ((sz + 31) & ~31) / 8; // size in bytes, rounded up to 32 bit dwords
|
|
1668 }
|
|
1669 else
|
|
1670 { integer_t n, n2;
|
|
1671
|
|
1672 n = next->size();
|
|
1673 n2 = n * sz;
|
|
1674 if (n && (n2 / n) != sz)
|
|
1675 goto Loverflow;
|
|
1676 sz = n2;
|
|
1677 }
|
|
1678 return sz;
|
|
1679
|
|
1680 Loverflow:
|
|
1681 error(loc, "index %jd overflow for static array", sz);
|
|
1682 return 1;
|
|
1683 }
|
|
1684
|
|
1685 unsigned TypeSArray::alignsize()
|
|
1686 {
|
|
1687 return next->alignsize();
|
|
1688 }
|
|
1689
|
|
1690 /**************************
|
|
1691 * This evaluates exp while setting length to be the number
|
|
1692 * of elements in the tuple t.
|
|
1693 */
|
|
1694 Expression *semanticLength(Scope *sc, Type *t, Expression *exp)
|
|
1695 {
|
|
1696 if (t->ty == Ttuple)
|
|
1697 { ScopeDsymbol *sym = new ArrayScopeSymbol((TypeTuple *)t);
|
|
1698 sym->parent = sc->scopesym;
|
|
1699 sc = sc->push(sym);
|
|
1700
|
|
1701 exp = exp->semantic(sc);
|
|
1702
|
|
1703 sc->pop();
|
|
1704 }
|
|
1705 else
|
|
1706 exp = exp->semantic(sc);
|
|
1707 return exp;
|
|
1708 }
|
|
1709
|
|
1710 Expression *semanticLength(Scope *sc, TupleDeclaration *s, Expression *exp)
|
|
1711 {
|
|
1712 ScopeDsymbol *sym = new ArrayScopeSymbol(s);
|
|
1713 sym->parent = sc->scopesym;
|
|
1714 sc = sc->push(sym);
|
|
1715
|
|
1716 exp = exp->semantic(sc);
|
|
1717
|
|
1718 sc->pop();
|
|
1719 return exp;
|
|
1720 }
|
|
1721
|
|
1722 void TypeSArray::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps)
|
|
1723 {
|
|
1724 //printf("TypeSArray::resolve() %s\n", toChars());
|
|
1725 next->resolve(loc, sc, pe, pt, ps);
|
|
1726 //printf("s = %p, e = %p, t = %p\n", *ps, *pe, *pt);
|
|
1727 if (*pe)
|
|
1728 { // It's really an index expression
|
|
1729 Expression *e;
|
|
1730 e = new IndexExp(loc, *pe, dim);
|
|
1731 *pe = e;
|
|
1732 }
|
|
1733 else if (*ps)
|
|
1734 { Dsymbol *s = *ps;
|
|
1735 TupleDeclaration *td = s->isTupleDeclaration();
|
|
1736 if (td)
|
|
1737 {
|
|
1738 ScopeDsymbol *sym = new ArrayScopeSymbol(td);
|
|
1739 sym->parent = sc->scopesym;
|
|
1740 sc = sc->push(sym);
|
|
1741
|
|
1742 dim = dim->semantic(sc);
|
|
1743 dim = dim->optimize(WANTvalue | WANTinterpret);
|
|
1744 uinteger_t d = dim->toUInteger();
|
|
1745
|
|
1746 sc = sc->pop();
|
|
1747
|
|
1748 if (d >= td->objects->dim)
|
|
1749 { error(loc, "tuple index %ju exceeds %u", d, td->objects->dim);
|
|
1750 goto Ldefault;
|
|
1751 }
|
|
1752 Object *o = (Object *)td->objects->data[(size_t)d];
|
|
1753 if (o->dyncast() == DYNCAST_DSYMBOL)
|
|
1754 {
|
|
1755 *ps = (Dsymbol *)o;
|
|
1756 return;
|
|
1757 }
|
|
1758 if (o->dyncast() == DYNCAST_EXPRESSION)
|
|
1759 {
|
|
1760 *ps = NULL;
|
|
1761 *pe = (Expression *)o;
|
|
1762 return;
|
|
1763 }
|
|
1764
|
|
1765 /* Create a new TupleDeclaration which
|
|
1766 * is a slice [d..d+1] out of the old one.
|
|
1767 * Do it this way because TemplateInstance::semanticTiargs()
|
|
1768 * can handle unresolved Objects this way.
|
|
1769 */
|
|
1770 Objects *objects = new Objects;
|
|
1771 objects->setDim(1);
|
|
1772 objects->data[0] = o;
|
|
1773
|
|
1774 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects);
|
|
1775 *ps = tds;
|
|
1776 }
|
|
1777 else
|
|
1778 goto Ldefault;
|
|
1779 }
|
|
1780 else
|
|
1781 {
|
|
1782 Ldefault:
|
|
1783 Type::resolve(loc, sc, pe, pt, ps);
|
|
1784 }
|
|
1785 }
|
|
1786
|
|
1787 Type *TypeSArray::semantic(Loc loc, Scope *sc)
|
|
1788 {
|
|
1789 //printf("TypeSArray::semantic() %s\n", toChars());
|
|
1790
|
|
1791 Type *t;
|
|
1792 Expression *e;
|
|
1793 Dsymbol *s;
|
|
1794 next->resolve(loc, sc, &e, &t, &s);
|
|
1795 if (dim && s && s->isTupleDeclaration())
|
|
1796 { TupleDeclaration *sd = s->isTupleDeclaration();
|
|
1797
|
|
1798 dim = semanticLength(sc, sd, dim);
|
|
1799 dim = dim->optimize(WANTvalue | WANTinterpret);
|
|
1800 uinteger_t d = dim->toUInteger();
|
|
1801
|
|
1802 if (d >= sd->objects->dim)
|
|
1803 { error(loc, "tuple index %ju exceeds %u", d, sd->objects->dim);
|
|
1804 return Type::terror;
|
|
1805 }
|
|
1806 Object *o = (Object *)sd->objects->data[(size_t)d];
|
|
1807 if (o->dyncast() != DYNCAST_TYPE)
|
|
1808 { error(loc, "%s is not a type", toChars());
|
|
1809 return Type::terror;
|
|
1810 }
|
|
1811 t = (Type *)o;
|
|
1812 return t;
|
|
1813 }
|
|
1814
|
|
1815 next = next->semantic(loc,sc);
|
|
1816 Type *tbn = next->toBasetype();
|
|
1817
|
|
1818 if (dim)
|
|
1819 { integer_t n, n2;
|
|
1820
|
|
1821 dim = semanticLength(sc, tbn, dim);
|
|
1822
|
|
1823 dim = dim->optimize(WANTvalue | WANTinterpret);
|
|
1824 integer_t d1 = dim->toInteger();
|
|
1825 dim = dim->castTo(sc, tsize_t);
|
|
1826 dim = dim->optimize(WANTvalue);
|
|
1827 integer_t d2 = dim->toInteger();
|
|
1828
|
|
1829 if (d1 != d2)
|
|
1830 goto Loverflow;
|
|
1831
|
|
1832 if (tbn->isintegral() ||
|
|
1833 tbn->isfloating() ||
|
|
1834 tbn->ty == Tpointer ||
|
|
1835 tbn->ty == Tarray ||
|
|
1836 tbn->ty == Tsarray ||
|
|
1837 tbn->ty == Taarray ||
|
|
1838 tbn->ty == Tclass)
|
|
1839 {
|
|
1840 /* Only do this for types that don't need to have semantic()
|
|
1841 * run on them for the size, since they may be forward referenced.
|
|
1842 */
|
|
1843 n = tbn->size(loc);
|
|
1844 n2 = n * d2;
|
|
1845 if ((int)n2 < 0)
|
|
1846 goto Loverflow;
|
|
1847 if (n2 >= 0x1000000) // put a 'reasonable' limit on it
|
|
1848 goto Loverflow;
|
|
1849 if (n && n2 / n != d2)
|
|
1850 {
|
|
1851 Loverflow:
|
|
1852 error(loc, "index %jd overflow for static array", d1);
|
|
1853 dim = new IntegerExp(0, 1, tsize_t);
|
|
1854 }
|
|
1855 }
|
|
1856 }
|
|
1857 switch (tbn->ty)
|
|
1858 {
|
|
1859 case Ttuple:
|
|
1860 { // Index the tuple to get the type
|
|
1861 assert(dim);
|
|
1862 TypeTuple *tt = (TypeTuple *)tbn;
|
|
1863 uinteger_t d = dim->toUInteger();
|
|
1864
|
|
1865 if (d >= tt->arguments->dim)
|
|
1866 { error(loc, "tuple index %ju exceeds %u", d, tt->arguments->dim);
|
|
1867 return Type::terror;
|
|
1868 }
|
|
1869 Argument *arg = (Argument *)tt->arguments->data[(size_t)d];
|
|
1870 return arg->type;
|
|
1871 }
|
|
1872 case Tfunction:
|
|
1873 case Tnone:
|
|
1874 error(loc, "can't have array of %s", tbn->toChars());
|
|
1875 tbn = next = tint32;
|
|
1876 break;
|
|
1877 }
|
|
1878 if (tbn->isauto())
|
|
1879 error(loc, "cannot have array of auto %s", tbn->toChars());
|
|
1880 return merge();
|
|
1881 }
|
|
1882
|
|
1883 void TypeSArray::toDecoBuffer(OutBuffer *buf)
|
|
1884 {
|
|
1885 buf->writeByte(mangleChar[ty]);
|
|
1886 if (dim)
|
|
1887 buf->printf("%ju", dim->toInteger());
|
|
1888 if (next)
|
|
1889 next->toDecoBuffer(buf);
|
|
1890 }
|
|
1891
|
|
1892 void TypeSArray::toTypeInfoBuffer(OutBuffer *buf)
|
|
1893 {
|
|
1894 buf->writeByte(mangleChar[Tarray]);
|
|
1895 if (next)
|
|
1896 next->toTypeInfoBuffer(buf);
|
|
1897 }
|
|
1898
|
|
1899 void TypeSArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs)
|
|
1900 {
|
|
1901 buf->printf("[%s]", dim->toChars());
|
|
1902 }
|
|
1903
|
|
1904 Expression *TypeSArray::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
1905 {
|
|
1906 #if LOGDOTEXP
|
|
1907 printf("TypeSArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
1908 #endif
|
|
1909 if (ident == Id::length)
|
|
1910 {
|
|
1911 e = dim;
|
|
1912 }
|
|
1913 else if (ident == Id::ptr)
|
|
1914 {
|
|
1915 e = e->castTo(sc, next->pointerTo());
|
|
1916 }
|
|
1917 else
|
|
1918 {
|
|
1919 e = TypeArray::dotExp(sc, e, ident);
|
|
1920 }
|
|
1921 return e;
|
|
1922 }
|
|
1923
|
|
1924 int TypeSArray::isString()
|
|
1925 {
|
|
1926 TY nty = next->toBasetype()->ty;
|
|
1927 return nty == Tchar || nty == Twchar || nty == Tdchar;
|
|
1928 }
|
|
1929
|
|
1930 unsigned TypeSArray::memalign(unsigned salign)
|
|
1931 {
|
|
1932 return next->memalign(salign);
|
|
1933 }
|
|
1934
|
|
1935 MATCH TypeSArray::implicitConvTo(Type *to)
|
|
1936 {
|
|
1937 //printf("TypeSArray::implicitConvTo()\n");
|
|
1938
|
|
1939 // Allow implicit conversion of static array to pointer or dynamic array
|
|
1940 if ((IMPLICIT_ARRAY_TO_PTR && to->ty == Tpointer) &&
|
|
1941 (to->next->ty == Tvoid || next->equals(to->next)
|
|
1942 /*|| to->next->isBaseOf(next)*/))
|
|
1943 {
|
|
1944 return MATCHconvert;
|
|
1945 }
|
|
1946 if (to->ty == Tarray)
|
|
1947 { int offset = 0;
|
|
1948
|
|
1949 if (next->equals(to->next) ||
|
|
1950 (to->next->isBaseOf(next, &offset) && offset == 0) ||
|
|
1951 to->next->ty == Tvoid)
|
|
1952 return MATCHconvert;
|
|
1953 }
|
|
1954 #if 0
|
|
1955 if (to->ty == Tsarray)
|
|
1956 {
|
|
1957 TypeSArray *tsa = (TypeSArray *)to;
|
|
1958
|
|
1959 if (next->equals(tsa->next) && dim->equals(tsa->dim))
|
|
1960 {
|
|
1961 return MATCHconvert;
|
|
1962 }
|
|
1963 }
|
|
1964 #endif
|
|
1965 return Type::implicitConvTo(to);
|
|
1966 }
|
|
1967
|
|
1968 Expression *TypeSArray::defaultInit()
|
|
1969 {
|
|
1970 #if LOGDEFAULTINIT
|
|
1971 printf("TypeSArray::defaultInit() '%s'\n", toChars());
|
|
1972 #endif
|
|
1973 return next->defaultInit();
|
|
1974 }
|
|
1975
|
|
1976 int TypeSArray::isZeroInit()
|
|
1977 {
|
|
1978 return next->isZeroInit();
|
|
1979 }
|
|
1980
|
|
1981
|
|
1982 Expression *TypeSArray::toExpression()
|
|
1983 {
|
|
1984 Expression *e = next->toExpression();
|
|
1985 if (e)
|
|
1986 { Expressions *arguments = new Expressions();
|
|
1987 arguments->push(dim);
|
|
1988 e = new ArrayExp(dim->loc, e, arguments);
|
|
1989 }
|
|
1990 return e;
|
|
1991 }
|
|
1992
|
|
1993 int TypeSArray::hasPointers()
|
|
1994 {
|
|
1995 return next->hasPointers();
|
|
1996 }
|
|
1997
|
|
1998 /***************************** TypeDArray *****************************/
|
|
1999
|
|
2000 TypeDArray::TypeDArray(Type *t)
|
|
2001 : TypeArray(Tarray, t)
|
|
2002 {
|
|
2003 //printf("TypeDArray(t = %p)\n", t);
|
|
2004 }
|
|
2005
|
|
2006 Type *TypeDArray::syntaxCopy()
|
|
2007 {
|
|
2008 Type *t = next->syntaxCopy();
|
|
2009 if (t == next)
|
|
2010 t = this;
|
|
2011 else
|
|
2012 t = new TypeDArray(t);
|
|
2013 return t;
|
|
2014 }
|
|
2015
|
|
2016 d_uns64 TypeDArray::size(Loc loc)
|
|
2017 {
|
|
2018 //printf("TypeDArray::size()\n");
|
|
2019 return PTRSIZE * 2;
|
|
2020 }
|
|
2021
|
|
2022 unsigned TypeDArray::alignsize()
|
|
2023 {
|
|
2024 // A DArray consists of two ptr-sized values, so align it on pointer size
|
|
2025 // boundary
|
|
2026 return PTRSIZE;
|
|
2027 }
|
|
2028
|
|
2029 Type *TypeDArray::semantic(Loc loc, Scope *sc)
|
|
2030 { Type *tn = next;
|
|
2031
|
|
2032 tn = next->semantic(loc,sc);
|
|
2033 Type *tbn = tn->toBasetype();
|
|
2034 switch (tbn->ty)
|
|
2035 {
|
|
2036 case Tfunction:
|
|
2037 case Tnone:
|
|
2038 case Ttuple:
|
|
2039 error(loc, "can't have array of %s", tbn->toChars());
|
|
2040 tn = next = tint32;
|
|
2041 break;
|
|
2042 }
|
|
2043 if (tn->isauto())
|
|
2044 error(loc, "cannot have array of auto %s", tn->toChars());
|
|
2045 if (next != tn)
|
|
2046 //deco = NULL; // redo
|
|
2047 return tn->arrayOf();
|
|
2048 return merge();
|
|
2049 }
|
|
2050
|
|
2051 void TypeDArray::toDecoBuffer(OutBuffer *buf)
|
|
2052 {
|
|
2053 buf->writeByte(mangleChar[ty]);
|
|
2054 if (next)
|
|
2055 next->toDecoBuffer(buf);
|
|
2056 }
|
|
2057
|
|
2058 void TypeDArray::toTypeInfoBuffer(OutBuffer *buf)
|
|
2059 {
|
|
2060 buf->writeByte(mangleChar[ty]);
|
|
2061 if (next)
|
|
2062 next->toTypeInfoBuffer(buf);
|
|
2063 }
|
|
2064
|
|
2065 void TypeDArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs)
|
|
2066 {
|
|
2067 buf->writestring("[]");
|
|
2068 }
|
|
2069
|
|
2070 Expression *TypeDArray::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
2071 {
|
|
2072 #if LOGDOTEXP
|
|
2073 printf("TypeDArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
2074 #endif
|
|
2075 if (ident == Id::length)
|
|
2076 {
|
|
2077 if (e->op == TOKstring)
|
|
2078 { StringExp *se = (StringExp *)e;
|
|
2079
|
|
2080 return new IntegerExp(se->loc, se->len, Type::tindex);
|
|
2081 }
|
|
2082 e = new ArrayLengthExp(e->loc, e);
|
|
2083 e->type = Type::tsize_t;
|
|
2084 return e;
|
|
2085 }
|
|
2086 else if (ident == Id::ptr)
|
|
2087 {
|
|
2088 e = e->castTo(sc, next->pointerTo());
|
|
2089 return e;
|
|
2090 }
|
|
2091 else
|
|
2092 {
|
|
2093 e = TypeArray::dotExp(sc, e, ident);
|
|
2094 }
|
|
2095 return e;
|
|
2096 }
|
|
2097
|
|
2098 int TypeDArray::isString()
|
|
2099 {
|
|
2100 TY nty = next->toBasetype()->ty;
|
|
2101 return nty == Tchar || nty == Twchar || nty == Tdchar;
|
|
2102 }
|
|
2103
|
|
2104 MATCH TypeDArray::implicitConvTo(Type *to)
|
|
2105 {
|
|
2106 //printf("TypeDArray::implicitConvTo()\n");
|
|
2107
|
|
2108 // Allow implicit conversion of array to pointer
|
|
2109 if (IMPLICIT_ARRAY_TO_PTR &&
|
|
2110 to->ty == Tpointer &&
|
|
2111 (to->next->ty == Tvoid || next->equals(to->next) /*|| to->next->isBaseOf(next)*/))
|
|
2112 {
|
|
2113 return MATCHconvert;
|
|
2114 }
|
|
2115
|
|
2116 if (to->ty == Tarray)
|
|
2117 { int offset = 0;
|
|
2118
|
|
2119 if ((to->next->isBaseOf(next, &offset) && offset == 0) ||
|
|
2120 to->next->ty == Tvoid)
|
|
2121 return MATCHconvert;
|
|
2122 }
|
|
2123 return Type::implicitConvTo(to);
|
|
2124 }
|
|
2125
|
|
2126 Expression *TypeDArray::defaultInit()
|
|
2127 {
|
|
2128 #if LOGDEFAULTINIT
|
|
2129 printf("TypeDArray::defaultInit() '%s'\n", toChars());
|
|
2130 #endif
|
|
2131 Expression *e;
|
|
2132 e = new NullExp(0);
|
|
2133 e->type = this;
|
|
2134 return e;
|
|
2135 }
|
|
2136
|
|
2137 int TypeDArray::isZeroInit()
|
|
2138 {
|
|
2139 return 1;
|
|
2140 }
|
|
2141
|
|
2142 int TypeDArray::checkBoolean()
|
|
2143 {
|
|
2144 return TRUE;
|
|
2145 }
|
|
2146
|
|
2147 int TypeDArray::hasPointers()
|
|
2148 {
|
|
2149 return TRUE;
|
|
2150 }
|
|
2151
|
|
2152 /***************************** TypeAArray *****************************/
|
|
2153
|
|
2154 TypeAArray::TypeAArray(Type *t, Type *index)
|
|
2155 : TypeArray(Taarray, t)
|
|
2156 {
|
|
2157 this->index = index;
|
|
2158 this->key = NULL;
|
|
2159 }
|
|
2160
|
|
2161 Type *TypeAArray::syntaxCopy()
|
|
2162 {
|
|
2163 Type *t = next->syntaxCopy();
|
|
2164 Type *ti = index->syntaxCopy();
|
|
2165 if (t == next && ti == index)
|
|
2166 t = this;
|
|
2167 else
|
|
2168 t = new TypeAArray(t, ti);
|
|
2169 return t;
|
|
2170 }
|
|
2171
|
|
2172 d_uns64 TypeAArray::size(Loc loc)
|
|
2173 {
|
|
2174 return PTRSIZE /* * 2*/;
|
|
2175 }
|
|
2176
|
|
2177
|
|
2178 Type *TypeAArray::semantic(Loc loc, Scope *sc)
|
|
2179 {
|
|
2180 //printf("TypeAArray::semantic() %s index->ty = %d\n", toChars(), index->ty);
|
|
2181
|
|
2182 // Deal with the case where we thought the index was a type, but
|
|
2183 // in reality it was an expression.
|
|
2184 if (index->ty == Tident || index->ty == Tinstance || index->ty == Tsarray)
|
|
2185 {
|
|
2186 Expression *e;
|
|
2187 Type *t;
|
|
2188 Dsymbol *s;
|
|
2189
|
|
2190 index->resolve(loc, sc, &e, &t, &s);
|
|
2191 if (e)
|
|
2192 { // It was an expression -
|
|
2193 // Rewrite as a static array
|
|
2194 TypeSArray *tsa;
|
|
2195
|
|
2196 tsa = new TypeSArray(next, e);
|
|
2197 return tsa->semantic(loc,sc);
|
|
2198 }
|
|
2199 else if (t)
|
|
2200 index = t;
|
|
2201 else
|
|
2202 index->error(loc, "index is not a type or an expression");
|
|
2203 }
|
|
2204 else
|
|
2205 index = index->semantic(loc,sc);
|
|
2206
|
|
2207 // Compute key type; the purpose of the key type is to
|
|
2208 // minimize the permutations of runtime library
|
|
2209 // routines as much as possible.
|
|
2210 key = index->toBasetype();
|
|
2211 switch (key->ty)
|
|
2212 {
|
|
2213 #if 0
|
|
2214 case Tint8:
|
|
2215 case Tuns8:
|
|
2216 case Tint16:
|
|
2217 case Tuns16:
|
|
2218 key = tint32;
|
|
2219 break;
|
|
2220 #endif
|
|
2221
|
|
2222 case Tsarray:
|
|
2223 #if 0
|
|
2224 // Convert to Tarray
|
|
2225 key = key->next->arrayOf();
|
|
2226 #endif
|
|
2227 break;
|
|
2228 case Tbit:
|
|
2229 case Tbool:
|
|
2230 case Tfunction:
|
|
2231 case Tvoid:
|
|
2232 case Tnone:
|
|
2233 error(loc, "can't have associative array key of %s", key->toChars());
|
|
2234 break;
|
|
2235 }
|
|
2236 next = next->semantic(loc,sc);
|
|
2237 switch (next->toBasetype()->ty)
|
|
2238 {
|
|
2239 case Tfunction:
|
|
2240 case Tnone:
|
|
2241 error(loc, "can't have associative array of %s", next->toChars());
|
|
2242 break;
|
|
2243 }
|
|
2244 if (next->isauto())
|
|
2245 error(loc, "cannot have array of auto %s", next->toChars());
|
|
2246
|
|
2247 return merge();
|
|
2248 }
|
|
2249
|
|
2250 Expression *TypeAArray::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
2251 {
|
|
2252 #if LOGDOTEXP
|
|
2253 printf("TypeAArray::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
2254 #endif
|
|
2255 if (ident == Id::length)
|
|
2256 {
|
|
2257 Expression *ec;
|
|
2258 FuncDeclaration *fd;
|
|
2259 Expressions *arguments;
|
|
2260
|
|
2261 fd = FuncDeclaration::genCfunc(Type::tsize_t, Id::aaLen);
|
|
2262 ec = new VarExp(0, fd);
|
|
2263 arguments = new Expressions();
|
|
2264 arguments->push(e);
|
|
2265 e = new CallExp(e->loc, ec, arguments);
|
|
2266 e->type = fd->type->next;
|
|
2267 }
|
|
2268 else if (ident == Id::keys)
|
|
2269 {
|
|
2270 Expression *ec;
|
|
2271 FuncDeclaration *fd;
|
|
2272 Expressions *arguments;
|
|
2273 int size = key->size(e->loc);
|
|
2274
|
|
2275 assert(size);
|
|
2276 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaKeys);
|
|
2277 ec = new VarExp(0, fd);
|
|
2278 arguments = new Expressions();
|
|
2279 arguments->push(e);
|
|
2280 arguments->push(new IntegerExp(0, size, Type::tsize_t));
|
|
2281 e = new CallExp(e->loc, ec, arguments);
|
|
2282 e->type = index->arrayOf();
|
|
2283 }
|
|
2284 else if (ident == Id::values)
|
|
2285 {
|
|
2286 Expression *ec;
|
|
2287 FuncDeclaration *fd;
|
|
2288 Expressions *arguments;
|
|
2289
|
|
2290 fd = FuncDeclaration::genCfunc(Type::tindex, Id::aaValues);
|
|
2291 ec = new VarExp(0, fd);
|
|
2292 arguments = new Expressions();
|
|
2293 arguments->push(e);
|
|
2294 size_t keysize = key->size(e->loc);
|
|
2295 keysize = (keysize + 3) & ~3; // BUG: 64 bit pointers?
|
|
2296 arguments->push(new IntegerExp(0, keysize, Type::tsize_t));
|
|
2297 arguments->push(new IntegerExp(0, next->size(e->loc), Type::tsize_t));
|
|
2298 e = new CallExp(e->loc, ec, arguments);
|
|
2299 e->type = next->arrayOf();
|
|
2300 }
|
|
2301 else if (ident == Id::rehash)
|
|
2302 {
|
|
2303 Expression *ec;
|
|
2304 FuncDeclaration *fd;
|
|
2305 Expressions *arguments;
|
|
2306
|
|
2307 fd = FuncDeclaration::genCfunc(Type::tint64, Id::aaRehash);
|
|
2308 ec = new VarExp(0, fd);
|
|
2309 arguments = new Expressions();
|
|
2310 arguments->push(e->addressOf(sc));
|
|
2311 arguments->push(key->getInternalTypeInfo(sc));
|
|
2312 e = new CallExp(e->loc, ec, arguments);
|
|
2313 e->type = this;
|
|
2314 }
|
|
2315 else
|
|
2316 {
|
|
2317 e = Type::dotExp(sc, e, ident);
|
|
2318 }
|
|
2319 return e;
|
|
2320 }
|
|
2321
|
|
2322 void TypeAArray::toDecoBuffer(OutBuffer *buf)
|
|
2323 {
|
|
2324 buf->writeByte(mangleChar[ty]);
|
|
2325 index->toDecoBuffer(buf);
|
|
2326 next->toDecoBuffer(buf);
|
|
2327 }
|
|
2328
|
|
2329 void TypeAArray::toPrettyBracket(OutBuffer *buf, HdrGenState *hgs)
|
|
2330 {
|
|
2331 buf->writeByte('[');
|
|
2332 { OutBuffer ibuf;
|
|
2333
|
|
2334 index->toCBuffer2(&ibuf, NULL, hgs);
|
|
2335 buf->write(&ibuf);
|
|
2336 }
|
|
2337 buf->writeByte(']');
|
|
2338 }
|
|
2339
|
|
2340 Expression *TypeAArray::defaultInit()
|
|
2341 {
|
|
2342 #if LOGDEFAULTINIT
|
|
2343 printf("TypeAArray::defaultInit() '%s'\n", toChars());
|
|
2344 #endif
|
|
2345 Expression *e;
|
|
2346 e = new NullExp(0);
|
|
2347 e->type = this;
|
|
2348 return e;
|
|
2349 }
|
|
2350
|
|
2351 int TypeAArray::checkBoolean()
|
|
2352 {
|
|
2353 return TRUE;
|
|
2354 }
|
|
2355
|
|
2356 int TypeAArray::hasPointers()
|
|
2357 {
|
|
2358 return TRUE;
|
|
2359 }
|
|
2360
|
|
2361 /***************************** TypePointer *****************************/
|
|
2362
|
|
2363 TypePointer::TypePointer(Type *t)
|
|
2364 : Type(Tpointer, t)
|
|
2365 {
|
|
2366 }
|
|
2367
|
|
2368 Type *TypePointer::syntaxCopy()
|
|
2369 {
|
|
2370 Type *t = next->syntaxCopy();
|
|
2371 if (t == next)
|
|
2372 t = this;
|
|
2373 else
|
|
2374 t = new TypePointer(t);
|
|
2375 return t;
|
|
2376 }
|
|
2377
|
|
2378 Type *TypePointer::semantic(Loc loc, Scope *sc)
|
|
2379 {
|
|
2380 //printf("TypePointer::semantic()\n");
|
|
2381 Type *n = next->semantic(loc, sc);
|
|
2382 switch (n->toBasetype()->ty)
|
|
2383 {
|
|
2384 case Ttuple:
|
|
2385 error(loc, "can't have pointer to %s", n->toChars());
|
|
2386 n = tint32;
|
|
2387 break;
|
|
2388 }
|
|
2389 if (n != next)
|
|
2390 deco = NULL;
|
|
2391 next = n;
|
|
2392 return merge();
|
|
2393 }
|
|
2394
|
|
2395
|
|
2396 d_uns64 TypePointer::size(Loc loc)
|
|
2397 {
|
|
2398 return PTRSIZE;
|
|
2399 }
|
|
2400
|
|
2401 void TypePointer::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
2402 {
|
|
2403 //printf("TypePointer::toCBuffer2() next = %d\n", next->ty);
|
|
2404 buf->prependstring("*");
|
|
2405 if (ident)
|
|
2406 {
|
|
2407 buf->writeByte(' ');
|
|
2408 buf->writestring(ident->toChars());
|
|
2409 }
|
|
2410 next->toCBuffer2(buf, NULL, hgs);
|
|
2411 }
|
|
2412
|
|
2413 MATCH TypePointer::implicitConvTo(Type *to)
|
|
2414 {
|
|
2415 //printf("TypePointer::implicitConvTo()\n");
|
|
2416
|
|
2417 if (this == to)
|
|
2418 return MATCHexact;
|
|
2419 if (to->ty == Tpointer && to->next)
|
|
2420 {
|
|
2421 if (to->next->ty == Tvoid)
|
|
2422 return MATCHconvert;
|
|
2423
|
|
2424 #if 0
|
|
2425 if (to->next->isBaseOf(next))
|
|
2426 return MATCHconvert;
|
|
2427 #endif
|
|
2428
|
|
2429 if (next->ty == Tfunction && to->next->ty == Tfunction)
|
|
2430 { TypeFunction *tf;
|
|
2431 TypeFunction *tfto;
|
|
2432
|
|
2433 tf = (TypeFunction *)(next);
|
|
2434 tfto = (TypeFunction *)(to->next);
|
|
2435 return tfto->equals(tf) ? MATCHexact : MATCHnomatch;
|
|
2436 }
|
|
2437 }
|
|
2438 // if (to->ty == Tvoid)
|
|
2439 // return MATCHconvert;
|
|
2440 return MATCHnomatch;
|
|
2441 }
|
|
2442
|
|
2443 int TypePointer::isscalar()
|
|
2444 {
|
|
2445 return TRUE;
|
|
2446 }
|
|
2447
|
|
2448 Expression *TypePointer::defaultInit()
|
|
2449 {
|
|
2450 #if LOGDEFAULTINIT
|
|
2451 printf("TypePointer::defaultInit() '%s'\n", toChars());
|
|
2452 #endif
|
|
2453 Expression *e;
|
|
2454 e = new NullExp(0);
|
|
2455 e->type = this;
|
|
2456 return e;
|
|
2457 }
|
|
2458
|
|
2459 int TypePointer::isZeroInit()
|
|
2460 {
|
|
2461 return 1;
|
|
2462 }
|
|
2463
|
|
2464 int TypePointer::hasPointers()
|
|
2465 {
|
|
2466 return TRUE;
|
|
2467 }
|
|
2468
|
|
2469
|
|
2470 /***************************** TypeReference *****************************/
|
|
2471
|
|
2472 TypeReference::TypeReference(Type *t)
|
|
2473 : Type(Treference, t)
|
|
2474 {
|
|
2475 if (t->ty == Tbit)
|
|
2476 error(0,"cannot make reference to a bit");
|
|
2477 // BUG: what about references to static arrays?
|
|
2478 }
|
|
2479
|
|
2480 Type *TypeReference::syntaxCopy()
|
|
2481 {
|
|
2482 Type *t = next->syntaxCopy();
|
|
2483 if (t == next)
|
|
2484 t = this;
|
|
2485 else
|
|
2486 t = new TypeReference(t);
|
|
2487 return t;
|
|
2488 }
|
|
2489
|
|
2490 d_uns64 TypeReference::size(Loc loc)
|
|
2491 {
|
|
2492 return PTRSIZE;
|
|
2493 }
|
|
2494
|
|
2495 void TypeReference::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
2496 {
|
|
2497 buf->prependstring("&");
|
|
2498 if (ident)
|
|
2499 {
|
|
2500 buf->writestring(ident->toChars());
|
|
2501 }
|
|
2502 next->toCBuffer2(buf, NULL, hgs);
|
|
2503 }
|
|
2504
|
|
2505 Expression *TypeReference::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
2506 {
|
|
2507 #if LOGDOTEXP
|
|
2508 printf("TypeReference::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
2509 #endif
|
|
2510
|
|
2511 // References just forward things along
|
|
2512 return next->dotExp(sc, e, ident);
|
|
2513 }
|
|
2514
|
|
2515 Expression *TypeReference::defaultInit()
|
|
2516 {
|
|
2517 #if LOGDEFAULTINIT
|
|
2518 printf("TypeReference::defaultInit() '%s'\n", toChars());
|
|
2519 #endif
|
|
2520 Expression *e;
|
|
2521 e = new NullExp(0);
|
|
2522 e->type = this;
|
|
2523 return e;
|
|
2524 }
|
|
2525
|
|
2526 int TypeReference::isZeroInit()
|
|
2527 {
|
|
2528 return 1;
|
|
2529 }
|
|
2530
|
|
2531
|
|
2532 /***************************** TypeFunction *****************************/
|
|
2533
|
|
2534 TypeFunction::TypeFunction(Arguments *parameters, Type *treturn, int varargs, enum LINK linkage)
|
|
2535 : Type(Tfunction, treturn)
|
|
2536 {
|
|
2537 //if (!treturn) *(char*)0=0;
|
|
2538 // assert(treturn);
|
|
2539 this->parameters = parameters;
|
|
2540 this->varargs = varargs;
|
|
2541 this->linkage = linkage;
|
|
2542 this->inuse = 0;
|
|
2543 this->llvmRetInPtr = false;
|
9
|
2544 this->llvmUsesThis = false;
|
1
|
2545 this->llvmRetArg = 0;
|
|
2546 this->llvmAllocaPoint = 0;
|
|
2547 }
|
|
2548
|
|
2549 Type *TypeFunction::syntaxCopy()
|
|
2550 {
|
|
2551 Type *treturn = next ? next->syntaxCopy() : NULL;
|
|
2552 Arguments *params = Argument::arraySyntaxCopy(parameters);
|
|
2553 Type *t = new TypeFunction(params, treturn, varargs, linkage);
|
|
2554 return t;
|
|
2555 }
|
|
2556
|
|
2557 /*******************************
|
|
2558 * Returns:
|
|
2559 * 0 types are distinct
|
|
2560 * 1 this is covariant with t
|
|
2561 * 2 arguments match as far as overloading goes,
|
|
2562 * but types are not covariant
|
|
2563 * 3 cannot determine covariance because of forward references
|
|
2564 */
|
|
2565
|
|
2566 int Type::covariant(Type *t)
|
|
2567 {
|
|
2568 #if 0
|
|
2569 printf("Type::covariant(t = %s) %s\n", t->toChars(), toChars());
|
|
2570 printf("deco = %p, %p\n", deco, t->deco);
|
|
2571 printf("ty = %d\n", next->ty);
|
|
2572 #endif
|
|
2573
|
|
2574 int inoutmismatch = 0;
|
|
2575
|
|
2576 if (equals(t))
|
|
2577 goto Lcovariant;
|
|
2578 if (ty != Tfunction || t->ty != Tfunction)
|
|
2579 goto Ldistinct;
|
|
2580
|
|
2581 {
|
|
2582 TypeFunction *t1 = (TypeFunction *)this;
|
|
2583 TypeFunction *t2 = (TypeFunction *)t;
|
|
2584
|
|
2585 if (t1->varargs != t2->varargs)
|
|
2586 goto Ldistinct;
|
|
2587
|
|
2588 if (t1->parameters && t2->parameters)
|
|
2589 {
|
|
2590 size_t dim = Argument::dim(t1->parameters);
|
|
2591 if (dim != Argument::dim(t2->parameters))
|
|
2592 goto Ldistinct;
|
|
2593
|
|
2594 for (size_t i = 0; i < dim; i++)
|
|
2595 { Argument *arg1 = Argument::getNth(t1->parameters, i);
|
|
2596 Argument *arg2 = Argument::getNth(t2->parameters, i);
|
|
2597
|
|
2598 if (!arg1->type->equals(arg2->type))
|
|
2599 goto Ldistinct;
|
|
2600 if (arg1->storageClass != arg2->storageClass)
|
|
2601 inoutmismatch = 1;
|
|
2602 }
|
|
2603 }
|
|
2604 else if (t1->parameters != t2->parameters)
|
|
2605 goto Ldistinct;
|
|
2606
|
|
2607 // The argument lists match
|
|
2608 if (inoutmismatch)
|
|
2609 goto Lnotcovariant;
|
|
2610 if (t1->linkage != t2->linkage)
|
|
2611 goto Lnotcovariant;
|
|
2612
|
|
2613 Type *t1n = t1->next;
|
|
2614 Type *t2n = t2->next;
|
|
2615
|
|
2616 if (t1n->equals(t2n))
|
|
2617 goto Lcovariant;
|
|
2618 if (t1n->ty != Tclass || t2n->ty != Tclass)
|
|
2619 goto Lnotcovariant;
|
|
2620
|
|
2621 // If t1n is forward referenced:
|
|
2622 ClassDeclaration *cd = ((TypeClass *)t1n)->sym;
|
|
2623 if (!cd->baseClass && cd->baseclasses.dim && !cd->isInterfaceDeclaration())
|
|
2624 {
|
|
2625 return 3;
|
|
2626 }
|
|
2627
|
|
2628 if (t1n->implicitConvTo(t2n))
|
|
2629 goto Lcovariant;
|
|
2630 goto Lnotcovariant;
|
|
2631 }
|
|
2632
|
|
2633 Lcovariant:
|
|
2634 //printf("\tcovaraint: 1\n");
|
|
2635 return 1;
|
|
2636
|
|
2637 Ldistinct:
|
|
2638 //printf("\tcovaraint: 0\n");
|
|
2639 return 0;
|
|
2640
|
|
2641 Lnotcovariant:
|
|
2642 //printf("\tcovaraint: 2\n");
|
|
2643 return 2;
|
|
2644 }
|
|
2645
|
|
2646 void TypeFunction::toDecoBuffer(OutBuffer *buf)
|
|
2647 { unsigned char mc;
|
|
2648
|
|
2649 //printf("TypeFunction::toDecoBuffer() this = %p %s\n", this, toChars());
|
|
2650 //static int nest; if (++nest == 50) *(char*)0=0;
|
|
2651 if (inuse)
|
|
2652 { inuse = 2; // flag error to caller
|
|
2653 return;
|
|
2654 }
|
|
2655 inuse++;
|
|
2656 switch (linkage)
|
|
2657 {
|
|
2658 case LINKd: mc = 'F'; break;
|
|
2659 case LINKc: mc = 'U'; break;
|
|
2660 case LINKwindows: mc = 'W'; break;
|
|
2661 case LINKpascal: mc = 'V'; break;
|
|
2662 case LINKcpp: mc = 'R'; break;
|
|
2663 default:
|
|
2664 assert(0);
|
|
2665 }
|
|
2666 buf->writeByte(mc);
|
|
2667 // Write argument types
|
|
2668 Argument::argsToDecoBuffer(buf, parameters);
|
|
2669 //if (buf->data[buf->offset - 1] == '@') halt();
|
|
2670 buf->writeByte('Z' - varargs); // mark end of arg list
|
|
2671 next->toDecoBuffer(buf);
|
|
2672 inuse--;
|
|
2673 }
|
|
2674
|
|
2675 void TypeFunction::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
2676 {
|
|
2677 char *p = NULL;
|
|
2678
|
|
2679 if (inuse)
|
|
2680 { inuse = 2; // flag error to caller
|
|
2681 return;
|
|
2682 }
|
|
2683 inuse++;
|
|
2684 if (hgs->ddoc != 1)
|
|
2685 {
|
|
2686 switch (linkage)
|
|
2687 {
|
|
2688 case LINKd: p = NULL; break;
|
|
2689 case LINKc: p = "C "; break;
|
|
2690 case LINKwindows: p = "Windows "; break;
|
|
2691 case LINKpascal: p = "Pascal "; break;
|
|
2692 case LINKcpp: p = "C++ "; break;
|
|
2693 default:
|
|
2694 assert(0);
|
|
2695 }
|
|
2696 }
|
|
2697
|
|
2698 if (buf->offset)
|
|
2699 {
|
|
2700 if (!hgs->hdrgen && p)
|
|
2701 buf->prependstring(p);
|
|
2702 buf->bracket('(', ')');
|
|
2703 assert(!ident);
|
|
2704 }
|
|
2705 else
|
|
2706 {
|
|
2707 if (!hgs->hdrgen && p)
|
|
2708 buf->writestring(p);
|
|
2709 if (ident)
|
|
2710 { buf->writeByte(' ');
|
|
2711 buf->writestring(ident->toHChars2());
|
|
2712 }
|
|
2713 }
|
|
2714 Argument::argsToCBuffer(buf, hgs, parameters, varargs);
|
|
2715 if (next && (!ident || ident->toHChars2() == ident->toChars()))
|
|
2716 next->toCBuffer2(buf, NULL, hgs);
|
|
2717 inuse--;
|
|
2718 }
|
|
2719
|
|
2720 Type *TypeFunction::semantic(Loc loc, Scope *sc)
|
|
2721 {
|
|
2722 if (deco) // if semantic() already run
|
|
2723 {
|
|
2724 //printf("already done\n");
|
|
2725 return this;
|
|
2726 }
|
|
2727 //printf("TypeFunction::semantic() this = %p\n", this);
|
|
2728
|
|
2729 linkage = sc->linkage;
|
|
2730 if (!next)
|
|
2731 {
|
|
2732 assert(global.errors);
|
|
2733 next = tvoid;
|
|
2734 }
|
|
2735 next = next->semantic(loc,sc);
|
|
2736 if (next->toBasetype()->ty == Tsarray)
|
|
2737 { error(loc, "functions cannot return static array %s", next->toChars());
|
|
2738 next = Type::terror;
|
|
2739 }
|
|
2740 if (next->toBasetype()->ty == Tfunction)
|
|
2741 { error(loc, "functions cannot return a function");
|
|
2742 next = Type::terror;
|
|
2743 }
|
|
2744 if (next->toBasetype()->ty == Ttuple)
|
|
2745 { error(loc, "functions cannot return a tuple");
|
|
2746 next = Type::terror;
|
|
2747 }
|
|
2748 if (next->isauto() && !(sc->flags & SCOPEctor))
|
|
2749 error(loc, "functions cannot return auto %s", next->toChars());
|
|
2750
|
|
2751 if (parameters)
|
|
2752 { size_t dim = Argument::dim(parameters);
|
|
2753
|
|
2754 for (size_t i = 0; i < dim; i++)
|
|
2755 { Argument *arg = Argument::getNth(parameters, i);
|
|
2756 Type *t;
|
|
2757
|
|
2758 inuse++;
|
|
2759 arg->type = arg->type->semantic(loc,sc);
|
|
2760 if (inuse == 1) inuse--;
|
|
2761 t = arg->type->toBasetype();
|
|
2762
|
|
2763 if (arg->storageClass & (STCout | STCref | STClazy))
|
|
2764 {
|
|
2765 if (t->ty == Tsarray)
|
|
2766 error(loc, "cannot have out or ref parameter of type %s", t->toChars());
|
|
2767 }
|
|
2768 if (!(arg->storageClass & STClazy) && t->ty == Tvoid)
|
|
2769 error(loc, "cannot have parameter of type %s", arg->type->toChars());
|
|
2770
|
|
2771 if (arg->defaultArg)
|
|
2772 {
|
|
2773 arg->defaultArg = arg->defaultArg->semantic(sc);
|
|
2774 arg->defaultArg = resolveProperties(sc, arg->defaultArg);
|
|
2775 arg->defaultArg = arg->defaultArg->implicitCastTo(sc, arg->type);
|
|
2776 }
|
|
2777
|
|
2778 /* If arg turns out to be a tuple, the number of parameters may
|
|
2779 * change.
|
|
2780 */
|
|
2781 if (t->ty == Ttuple)
|
|
2782 { dim = Argument::dim(parameters);
|
|
2783 i--;
|
|
2784 }
|
|
2785 }
|
|
2786 }
|
|
2787 deco = merge()->deco;
|
|
2788
|
|
2789 if (inuse)
|
|
2790 { error(loc, "recursive type");
|
|
2791 inuse = 0;
|
|
2792 return terror;
|
|
2793 }
|
|
2794
|
|
2795 if (varargs == 1 && linkage != LINKd && Argument::dim(parameters) == 0)
|
|
2796 error(loc, "variadic functions with non-D linkage must have at least one parameter");
|
|
2797
|
|
2798 /* Don't return merge(), because arg identifiers and default args
|
|
2799 * can be different
|
|
2800 * even though the types match
|
|
2801 */
|
|
2802 return this;
|
|
2803 }
|
|
2804
|
|
2805 /********************************
|
|
2806 * 'args' are being matched to function 'this'
|
|
2807 * Determine match level.
|
|
2808 * Returns:
|
|
2809 * MATCHxxxx
|
|
2810 */
|
|
2811
|
|
2812 int TypeFunction::callMatch(Expressions *args)
|
|
2813 {
|
|
2814 //printf("TypeFunction::callMatch()\n");
|
|
2815 int match = MATCHexact; // assume exact match
|
|
2816
|
|
2817 size_t nparams = Argument::dim(parameters);
|
|
2818 size_t nargs = args ? args->dim : 0;
|
|
2819 if (nparams == nargs)
|
|
2820 ;
|
|
2821 else if (nargs > nparams)
|
|
2822 {
|
|
2823 if (varargs == 0)
|
|
2824 goto Nomatch; // too many args; no match
|
|
2825 match = MATCHconvert; // match ... with a "conversion" match level
|
|
2826 }
|
|
2827
|
|
2828 for (size_t u = 0; u < nparams; u++)
|
|
2829 { int m;
|
|
2830 Expression *arg;
|
|
2831
|
|
2832 // BUG: what about out and ref?
|
|
2833
|
|
2834 Argument *p = Argument::getNth(parameters, u);
|
|
2835 assert(p);
|
|
2836 if (u >= nargs)
|
|
2837 {
|
|
2838 if (p->defaultArg)
|
|
2839 continue;
|
|
2840 if (varargs == 2 && u + 1 == nparams)
|
|
2841 goto L1;
|
|
2842 goto Nomatch; // not enough arguments
|
|
2843 }
|
|
2844 arg = (Expression *)args->data[u];
|
|
2845 assert(arg);
|
|
2846 if (p->storageClass & STClazy && p->type->ty == Tvoid && arg->type->ty != Tvoid)
|
|
2847 m = MATCHconvert;
|
|
2848 else
|
|
2849 m = arg->implicitConvTo(p->type);
|
|
2850 //printf("\tm = %d\n", m);
|
|
2851 if (m == MATCHnomatch) // if no match
|
|
2852 {
|
|
2853 L1:
|
|
2854 if (varargs == 2 && u + 1 == nparams) // if last varargs param
|
|
2855 { Type *tb = p->type->toBasetype();
|
|
2856 TypeSArray *tsa;
|
|
2857 integer_t sz;
|
|
2858
|
|
2859 switch (tb->ty)
|
|
2860 {
|
|
2861 case Tsarray:
|
|
2862 tsa = (TypeSArray *)tb;
|
|
2863 sz = tsa->dim->toInteger();
|
|
2864 if (sz != nargs - u)
|
|
2865 goto Nomatch;
|
|
2866 case Tarray:
|
|
2867 for (; u < nargs; u++)
|
|
2868 {
|
|
2869 arg = (Expression *)args->data[u];
|
|
2870 assert(arg);
|
|
2871 #if 1
|
|
2872 /* If lazy array of delegates,
|
|
2873 * convert arg(s) to delegate(s)
|
|
2874 */
|
|
2875 Type *tret = p->isLazyArray();
|
|
2876 if (tret)
|
|
2877 {
|
|
2878 if (tb->next->equals(arg->type))
|
|
2879 { m = MATCHexact;
|
|
2880 }
|
|
2881 else
|
|
2882 {
|
|
2883 m = arg->implicitConvTo(tret);
|
|
2884 if (m == MATCHnomatch)
|
|
2885 {
|
|
2886 if (tret->toBasetype()->ty == Tvoid)
|
|
2887 m = MATCHconvert;
|
|
2888 }
|
|
2889 }
|
|
2890 }
|
|
2891 else
|
|
2892 m = arg->implicitConvTo(tb->next);
|
|
2893 #else
|
|
2894 m = arg->implicitConvTo(tb->next);
|
|
2895 #endif
|
|
2896 if (m == 0)
|
|
2897 goto Nomatch;
|
|
2898 if (m < match)
|
|
2899 match = m;
|
|
2900 }
|
|
2901 goto Ldone;
|
|
2902
|
|
2903 case Tclass:
|
|
2904 // Should see if there's a constructor match?
|
|
2905 // Or just leave it ambiguous?
|
|
2906 goto Ldone;
|
|
2907
|
|
2908 default:
|
|
2909 goto Nomatch;
|
|
2910 }
|
|
2911 }
|
|
2912 goto Nomatch;
|
|
2913 }
|
|
2914 if (m < match)
|
|
2915 match = m; // pick worst match
|
|
2916 }
|
|
2917
|
|
2918 Ldone:
|
|
2919 //printf("match = %d\n", match);
|
|
2920 return match;
|
|
2921
|
|
2922 Nomatch:
|
|
2923 //printf("no match\n");
|
|
2924 return MATCHnomatch;
|
|
2925 }
|
|
2926
|
|
2927 Type *TypeFunction::reliesOnTident()
|
|
2928 {
|
|
2929 if (parameters)
|
|
2930 {
|
|
2931 for (size_t i = 0; i < parameters->dim; i++)
|
|
2932 { Argument *arg = (Argument *)parameters->data[i];
|
|
2933 Type *t = arg->type->reliesOnTident();
|
|
2934 if (t)
|
|
2935 return t;
|
|
2936 }
|
|
2937 }
|
|
2938 return next->reliesOnTident();
|
|
2939 }
|
|
2940
|
|
2941 /***************************** TypeDelegate *****************************/
|
|
2942
|
|
2943 TypeDelegate::TypeDelegate(Type *t)
|
|
2944 : Type(Tfunction, t)
|
|
2945 {
|
|
2946 ty = Tdelegate;
|
|
2947 }
|
|
2948
|
|
2949 Type *TypeDelegate::syntaxCopy()
|
|
2950 {
|
|
2951 Type *t = next->syntaxCopy();
|
|
2952 if (t == next)
|
|
2953 t = this;
|
|
2954 else
|
|
2955 t = new TypeDelegate(t);
|
|
2956 return t;
|
|
2957 }
|
|
2958
|
|
2959 Type *TypeDelegate::semantic(Loc loc, Scope *sc)
|
|
2960 {
|
|
2961 if (deco) // if semantic() already run
|
|
2962 {
|
|
2963 //printf("already done\n");
|
|
2964 return this;
|
|
2965 }
|
|
2966 next = next->semantic(loc,sc);
|
|
2967 return merge();
|
|
2968 }
|
|
2969
|
|
2970 d_uns64 TypeDelegate::size(Loc loc)
|
|
2971 {
|
|
2972 return PTRSIZE * 2;
|
|
2973 }
|
|
2974
|
|
2975 void TypeDelegate::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
2976 {
|
|
2977 #if 1
|
|
2978 OutBuffer args;
|
|
2979 TypeFunction *tf = (TypeFunction *)next;
|
|
2980
|
|
2981 Argument::argsToCBuffer(&args, hgs, tf->parameters, tf->varargs);
|
|
2982 buf->prependstring(args.toChars());
|
|
2983 buf->prependstring(" delegate");
|
|
2984 if (ident)
|
|
2985 {
|
|
2986 buf->writeByte(' ');
|
|
2987 buf->writestring(ident->toChars());
|
|
2988 }
|
|
2989 next->next->toCBuffer2(buf, NULL, hgs);
|
|
2990 #else
|
|
2991 next->toCBuffer2(buf, Id::delegate, hgs);
|
|
2992 if (ident)
|
|
2993 {
|
|
2994 buf->writestring(ident->toChars());
|
|
2995 }
|
|
2996 #endif
|
|
2997 }
|
|
2998
|
|
2999 Expression *TypeDelegate::defaultInit()
|
|
3000 {
|
|
3001 #if LOGDEFAULTINIT
|
|
3002 printf("TypeDelegate::defaultInit() '%s'\n", toChars());
|
|
3003 #endif
|
|
3004 Expression *e;
|
|
3005 e = new NullExp(0);
|
|
3006 e->type = this;
|
|
3007 return e;
|
|
3008 }
|
|
3009
|
|
3010 int TypeDelegate::isZeroInit()
|
|
3011 {
|
|
3012 return 1;
|
|
3013 }
|
|
3014
|
|
3015 int TypeDelegate::checkBoolean()
|
|
3016 {
|
|
3017 return TRUE;
|
|
3018 }
|
|
3019
|
|
3020 Expression *TypeDelegate::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
3021 {
|
|
3022 #if LOGDOTEXP
|
|
3023 printf("TypeDelegate::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
3024 #endif
|
|
3025 if (ident == Id::ptr)
|
|
3026 {
|
|
3027 e->type = tvoidptr;
|
|
3028 return e;
|
|
3029 }
|
|
3030 else if (ident == Id::funcptr)
|
|
3031 {
|
|
3032 e = e->addressOf(sc);
|
|
3033 e->type = tvoidptr;
|
|
3034 e = new AddExp(e->loc, e, new IntegerExp(PTRSIZE));
|
|
3035 e->type = tvoidptr;
|
|
3036 e = new PtrExp(e->loc, e);
|
|
3037 e->type = next->pointerTo();
|
|
3038 return e;
|
|
3039 }
|
|
3040 else
|
|
3041 {
|
|
3042 e = Type::dotExp(sc, e, ident);
|
|
3043 }
|
|
3044 return e;
|
|
3045 }
|
|
3046
|
|
3047 int TypeDelegate::hasPointers()
|
|
3048 {
|
|
3049 return TRUE;
|
|
3050 }
|
|
3051
|
|
3052
|
|
3053
|
|
3054 /***************************** TypeQualified *****************************/
|
|
3055
|
|
3056 TypeQualified::TypeQualified(TY ty, Loc loc)
|
|
3057 : Type(ty, NULL)
|
|
3058 {
|
|
3059 this->loc = loc;
|
|
3060 }
|
|
3061
|
|
3062 void TypeQualified::syntaxCopyHelper(TypeQualified *t)
|
|
3063 {
|
|
3064 //printf("TypeQualified::syntaxCopyHelper(%s) %s\n", t->toChars(), toChars());
|
|
3065 idents.setDim(t->idents.dim);
|
|
3066 for (int i = 0; i < idents.dim; i++)
|
|
3067 {
|
|
3068 Identifier *id = (Identifier *)t->idents.data[i];
|
|
3069 if (id->dyncast() == DYNCAST_DSYMBOL)
|
|
3070 {
|
|
3071 TemplateInstance *ti = (TemplateInstance *)id;
|
|
3072
|
|
3073 ti = (TemplateInstance *)ti->syntaxCopy(NULL);
|
|
3074 id = (Identifier *)ti;
|
|
3075 }
|
|
3076 idents.data[i] = id;
|
|
3077 }
|
|
3078 }
|
|
3079
|
|
3080
|
|
3081 void TypeQualified::addIdent(Identifier *ident)
|
|
3082 {
|
|
3083 idents.push(ident);
|
|
3084 }
|
|
3085
|
|
3086 void TypeQualified::toCBuffer2Helper(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
3087 {
|
|
3088 int i;
|
|
3089
|
|
3090 for (i = 0; i < idents.dim; i++)
|
|
3091 { Identifier *id = (Identifier *)idents.data[i];
|
|
3092
|
|
3093 buf->writeByte('.');
|
|
3094
|
|
3095 if (id->dyncast() == DYNCAST_DSYMBOL)
|
|
3096 {
|
|
3097 TemplateInstance *ti = (TemplateInstance *)id;
|
|
3098 ti->toCBuffer(buf, hgs);
|
|
3099 }
|
|
3100 else
|
|
3101 buf->writestring(id->toChars());
|
|
3102 }
|
|
3103 }
|
|
3104
|
|
3105 d_uns64 TypeQualified::size(Loc loc)
|
|
3106 {
|
|
3107 error(this->loc, "size of type %s is not known", toChars());
|
|
3108 return 1;
|
|
3109 }
|
|
3110
|
|
3111 /*************************************
|
|
3112 * Takes an array of Identifiers and figures out if
|
|
3113 * it represents a Type or an Expression.
|
|
3114 * Output:
|
|
3115 * if expression, *pe is set
|
|
3116 * if type, *pt is set
|
|
3117 */
|
|
3118
|
|
3119 void TypeQualified::resolveHelper(Loc loc, Scope *sc,
|
|
3120 Dsymbol *s, Dsymbol *scopesym,
|
|
3121 Expression **pe, Type **pt, Dsymbol **ps)
|
|
3122 {
|
|
3123 Identifier *id = NULL;
|
|
3124 int i;
|
|
3125 VarDeclaration *v;
|
|
3126 EnumMember *em;
|
|
3127 TupleDeclaration *td;
|
|
3128 Type *t;
|
|
3129 Expression *e;
|
|
3130
|
|
3131 #if 0
|
|
3132 printf("TypeQualified::resolveHelper(sc = %p, idents = '%s')\n", sc, toChars());
|
|
3133 if (scopesym)
|
|
3134 printf("\tscopesym = '%s'\n", scopesym->toChars());
|
|
3135 #endif
|
|
3136 *pe = NULL;
|
|
3137 *pt = NULL;
|
|
3138 *ps = NULL;
|
|
3139 if (s)
|
|
3140 {
|
|
3141 //printf("\t1: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind());
|
|
3142 s = s->toAlias();
|
|
3143 //printf("\t2: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind());
|
|
3144 for (i = 0; i < idents.dim; i++)
|
|
3145 { Dsymbol *sm;
|
|
3146
|
|
3147 id = (Identifier *)idents.data[i];
|
|
3148 sm = s->searchX(loc, sc, id);
|
|
3149 //printf("\t3: s = '%s' %p, kind = '%s'\n",s->toChars(), s, s->kind());
|
|
3150 //printf("getType = '%s'\n", s->getType()->toChars());
|
|
3151 if (!sm)
|
|
3152 {
|
|
3153 v = s->isVarDeclaration();
|
|
3154 if (v && id == Id::length)
|
|
3155 {
|
|
3156 if (v->isConst() && v->getExpInitializer())
|
|
3157 { e = v->getExpInitializer()->exp;
|
|
3158 }
|
|
3159 else
|
|
3160 e = new VarExp(loc, v);
|
|
3161 t = e->type;
|
|
3162 if (!t)
|
|
3163 goto Lerror;
|
|
3164 goto L3;
|
|
3165 }
|
|
3166 t = s->getType();
|
|
3167 if (!t && s->isDeclaration())
|
|
3168 t = s->isDeclaration()->type;
|
|
3169 if (t)
|
|
3170 {
|
|
3171 sm = t->toDsymbol(sc);
|
|
3172 if (sm)
|
|
3173 { sm = sm->search(loc, id, 0);
|
|
3174 if (sm)
|
|
3175 goto L2;
|
|
3176 }
|
|
3177 //e = t->getProperty(loc, id);
|
|
3178 e = new TypeExp(loc, t);
|
|
3179 e = t->dotExp(sc, e, id);
|
|
3180 i++;
|
|
3181 L3:
|
|
3182 for (; i < idents.dim; i++)
|
|
3183 {
|
|
3184 id = (Identifier *)idents.data[i];
|
|
3185 //printf("e: '%s', id: '%s', type = %p\n", e->toChars(), id->toChars(), e->type);
|
|
3186 e = e->type->dotExp(sc, e, id);
|
|
3187 }
|
|
3188 *pe = e;
|
|
3189 }
|
|
3190 else
|
|
3191 Lerror:
|
|
3192 error(loc, "identifier '%s' of '%s' is not defined", id->toChars(), toChars());
|
|
3193 return;
|
|
3194 }
|
|
3195 L2:
|
|
3196 s = sm->toAlias();
|
|
3197 }
|
|
3198
|
|
3199 v = s->isVarDeclaration();
|
|
3200 if (v)
|
|
3201 {
|
|
3202 // It's not a type, it's an expression
|
|
3203 if (v->isConst() && v->getExpInitializer())
|
|
3204 {
|
|
3205 ExpInitializer *ei = v->getExpInitializer();
|
|
3206 assert(ei);
|
|
3207 *pe = ei->exp->copy(); // make copy so we can change loc
|
|
3208 (*pe)->loc = loc;
|
|
3209 }
|
|
3210 else
|
|
3211 {
|
|
3212 #if 0
|
|
3213 WithScopeSymbol *withsym;
|
|
3214 if (scopesym && (withsym = scopesym->isWithScopeSymbol()) != NULL)
|
|
3215 {
|
|
3216 // Same as wthis.ident
|
|
3217 e = new VarExp(loc, withsym->withstate->wthis);
|
|
3218 e = new DotIdExp(loc, e, ident);
|
|
3219 //assert(0); // BUG: should handle this
|
|
3220 }
|
|
3221 else
|
|
3222 #endif
|
|
3223 *pe = new VarExp(loc, v);
|
|
3224 }
|
|
3225 return;
|
|
3226 }
|
|
3227 em = s->isEnumMember();
|
|
3228 if (em)
|
|
3229 {
|
|
3230 // It's not a type, it's an expression
|
|
3231 *pe = em->value->copy();
|
|
3232 return;
|
|
3233 }
|
|
3234
|
|
3235 L1:
|
|
3236 t = s->getType();
|
|
3237 if (!t)
|
|
3238 {
|
|
3239 // If the symbol is an import, try looking inside the import
|
|
3240 Import *si;
|
|
3241
|
|
3242 si = s->isImport();
|
|
3243 if (si)
|
|
3244 {
|
|
3245 s = si->search(loc, s->ident, 0);
|
|
3246 if (s && s != si)
|
|
3247 goto L1;
|
|
3248 s = si;
|
|
3249 }
|
|
3250 *ps = s;
|
|
3251 return;
|
|
3252 }
|
|
3253 if (t->ty == Tinstance && t != this && !t->deco)
|
|
3254 { error(loc, "forward reference to '%s'", t->toChars());
|
|
3255 return;
|
|
3256 }
|
|
3257
|
|
3258 if (t != this)
|
|
3259 {
|
|
3260 if (t->reliesOnTident())
|
|
3261 {
|
|
3262 Scope *scx;
|
|
3263
|
|
3264 for (scx = sc; 1; scx = scx->enclosing)
|
|
3265 {
|
|
3266 if (!scx)
|
|
3267 { error(loc, "forward reference to '%s'", t->toChars());
|
|
3268 return;
|
|
3269 }
|
|
3270 if (scx->scopesym == scopesym)
|
|
3271 break;
|
|
3272 }
|
|
3273 t = t->semantic(loc, scx);
|
|
3274 //((TypeIdentifier *)t)->resolve(loc, scx, pe, &t, ps);
|
|
3275 }
|
|
3276 }
|
|
3277 if (t->ty == Ttuple)
|
|
3278 *pt = t;
|
|
3279 else
|
|
3280 *pt = t->merge();
|
|
3281 }
|
|
3282 if (!s)
|
|
3283 {
|
|
3284 error(loc, "identifier '%s' is not defined", toChars());
|
|
3285 }
|
|
3286 }
|
|
3287
|
|
3288 /***************************** TypeIdentifier *****************************/
|
|
3289
|
|
3290 TypeIdentifier::TypeIdentifier(Loc loc, Identifier *ident)
|
|
3291 : TypeQualified(Tident, loc)
|
|
3292 {
|
|
3293 this->ident = ident;
|
|
3294 }
|
|
3295
|
|
3296
|
|
3297 Type *TypeIdentifier::syntaxCopy()
|
|
3298 {
|
|
3299 TypeIdentifier *t;
|
|
3300
|
|
3301 t = new TypeIdentifier(loc, ident);
|
|
3302 t->syntaxCopyHelper(this);
|
|
3303 return t;
|
|
3304 }
|
|
3305
|
|
3306 void TypeIdentifier::toDecoBuffer(OutBuffer *buf)
|
|
3307 { unsigned len;
|
|
3308 char *name;
|
|
3309
|
|
3310 name = ident->toChars();
|
|
3311 len = strlen(name);
|
|
3312 buf->printf("%c%d%s", mangleChar[ty], len, name);
|
|
3313 //buf->printf("%c%s", mangleChar[ty], name);
|
|
3314 }
|
|
3315
|
|
3316 void TypeIdentifier::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
3317 {
|
|
3318 OutBuffer tmp;
|
|
3319
|
|
3320 tmp.writestring(this->ident->toChars());
|
|
3321 toCBuffer2Helper(&tmp, NULL, hgs);
|
|
3322 buf->prependstring(tmp.toChars());
|
|
3323 if (ident)
|
|
3324 { buf->writeByte(' ');
|
|
3325 buf->writestring(ident->toChars());
|
|
3326 }
|
|
3327 }
|
|
3328
|
|
3329 /*************************************
|
|
3330 * Takes an array of Identifiers and figures out if
|
|
3331 * it represents a Type or an Expression.
|
|
3332 * Output:
|
|
3333 * if expression, *pe is set
|
|
3334 * if type, *pt is set
|
|
3335 */
|
|
3336
|
|
3337 void TypeIdentifier::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps)
|
|
3338 { Dsymbol *s;
|
|
3339 Dsymbol *scopesym;
|
|
3340
|
|
3341 //printf("TypeIdentifier::resolve(sc = %p, idents = '%s')\n", sc, toChars());
|
|
3342 s = sc->search(loc, ident, &scopesym);
|
|
3343 resolveHelper(loc, sc, s, scopesym, pe, pt, ps);
|
|
3344 }
|
|
3345
|
|
3346 /*****************************************
|
|
3347 * See if type resolves to a symbol, if so,
|
|
3348 * return that symbol.
|
|
3349 */
|
|
3350
|
|
3351 Dsymbol *TypeIdentifier::toDsymbol(Scope *sc)
|
|
3352 {
|
|
3353 //printf("TypeIdentifier::toDsymbol('%s')\n", toChars());
|
|
3354 if (!sc)
|
|
3355 return NULL;
|
|
3356 //printf("ident = '%s'\n", ident->toChars());
|
|
3357
|
|
3358 Dsymbol *scopesym;
|
|
3359 Dsymbol *s = sc->search(loc, ident, &scopesym);
|
|
3360 if (s)
|
|
3361 {
|
|
3362 for (int i = 0; i < idents.dim; i++)
|
|
3363 {
|
|
3364 Identifier *id = (Identifier *)idents.data[i];
|
|
3365 s = s->searchX(loc, sc, id);
|
|
3366 if (!s) // failed to find a symbol
|
|
3367 { //printf("\tdidn't find a symbol\n");
|
|
3368 break;
|
|
3369 }
|
|
3370 }
|
|
3371 }
|
|
3372 return s;
|
|
3373 }
|
|
3374
|
|
3375 Type *TypeIdentifier::semantic(Loc loc, Scope *sc)
|
|
3376 {
|
|
3377 Type *t;
|
|
3378 Expression *e;
|
|
3379 Dsymbol *s;
|
|
3380
|
|
3381 //printf("TypeIdentifier::semantic(%s)\n", toChars());
|
|
3382 resolve(loc, sc, &e, &t, &s);
|
|
3383 if (t)
|
|
3384 {
|
|
3385 //printf("\tit's a type %d, %s, %s\n", t->ty, t->toChars(), t->deco);
|
|
3386
|
|
3387 if (t->ty == Ttypedef)
|
|
3388 { TypeTypedef *tt = (TypeTypedef *)t;
|
|
3389
|
|
3390 if (tt->sym->sem == 1)
|
|
3391 error(loc, "circular reference of typedef %s", tt->toChars());
|
|
3392 }
|
|
3393 }
|
|
3394 else
|
|
3395 {
|
|
3396 #ifdef DEBUG
|
|
3397 if (!global.gag)
|
|
3398 printf("1: ");
|
|
3399 #endif
|
|
3400 if (s)
|
|
3401 {
|
|
3402 s->error(loc, "is used as a type");
|
|
3403 }
|
|
3404 else
|
|
3405 error(loc, "%s is used as a type", toChars());
|
|
3406 t = tvoid;
|
|
3407 }
|
|
3408 //t->print();
|
|
3409 return t;
|
|
3410 }
|
|
3411
|
|
3412 Type *TypeIdentifier::reliesOnTident()
|
|
3413 {
|
|
3414 return this;
|
|
3415 }
|
|
3416
|
|
3417 Expression *TypeIdentifier::toExpression()
|
|
3418 {
|
|
3419 Expression *e = new IdentifierExp(loc, ident);
|
|
3420 for (int i = 0; i < idents.dim; i++)
|
|
3421 {
|
|
3422 Identifier *id = (Identifier *)idents.data[i];
|
|
3423 e = new DotIdExp(loc, e, id);
|
|
3424 }
|
|
3425
|
|
3426 return e;
|
|
3427 }
|
|
3428
|
|
3429 /***************************** TypeInstance *****************************/
|
|
3430
|
|
3431 TypeInstance::TypeInstance(Loc loc, TemplateInstance *tempinst)
|
|
3432 : TypeQualified(Tinstance, loc)
|
|
3433 {
|
|
3434 this->tempinst = tempinst;
|
|
3435 }
|
|
3436
|
|
3437 Type *TypeInstance::syntaxCopy()
|
|
3438 {
|
|
3439 //printf("TypeInstance::syntaxCopy() %s, %d\n", toChars(), idents.dim);
|
|
3440 TypeInstance *t;
|
|
3441
|
|
3442 t = new TypeInstance(loc, (TemplateInstance *)tempinst->syntaxCopy(NULL));
|
|
3443 t->syntaxCopyHelper(this);
|
|
3444 return t;
|
|
3445 }
|
|
3446
|
|
3447
|
|
3448 void TypeInstance::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
3449 {
|
|
3450 OutBuffer tmp;
|
|
3451
|
|
3452 tempinst->toCBuffer(&tmp, hgs);
|
|
3453 toCBuffer2Helper(&tmp, NULL, hgs);
|
|
3454 buf->prependstring(tmp.toChars());
|
|
3455 if (ident)
|
|
3456 { buf->writeByte(' ');
|
|
3457 buf->writestring(ident->toChars());
|
|
3458 }
|
|
3459 }
|
|
3460
|
|
3461 void TypeInstance::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps)
|
|
3462 {
|
|
3463 // Note close similarity to TypeIdentifier::resolve()
|
|
3464
|
|
3465 Dsymbol *s;
|
|
3466
|
|
3467 *pe = NULL;
|
|
3468 *pt = NULL;
|
|
3469 *ps = NULL;
|
|
3470
|
|
3471 #if 0
|
|
3472 if (!idents.dim)
|
|
3473 {
|
|
3474 error(loc, "template instance '%s' has no identifier", toChars());
|
|
3475 return;
|
|
3476 }
|
|
3477 #endif
|
|
3478 //id = (Identifier *)idents.data[0];
|
|
3479 //printf("TypeInstance::resolve(sc = %p, idents = '%s')\n", sc, id->toChars());
|
|
3480 s = tempinst;
|
|
3481 if (s)
|
|
3482 s->semantic(sc);
|
|
3483 resolveHelper(loc, sc, s, NULL, pe, pt, ps);
|
|
3484 //printf("pt = '%s'\n", (*pt)->toChars());
|
|
3485 }
|
|
3486
|
|
3487 Type *TypeInstance::semantic(Loc loc, Scope *sc)
|
|
3488 {
|
|
3489 Type *t;
|
|
3490 Expression *e;
|
|
3491 Dsymbol *s;
|
|
3492
|
|
3493 //printf("TypeInstance::semantic(%s)\n", toChars());
|
|
3494
|
|
3495 if (sc->parameterSpecialization)
|
|
3496 {
|
|
3497 unsigned errors = global.errors;
|
|
3498 global.gag++;
|
|
3499
|
|
3500 resolve(loc, sc, &e, &t, &s);
|
|
3501
|
|
3502 global.gag--;
|
|
3503 if (errors != global.errors)
|
|
3504 { if (global.gag == 0)
|
|
3505 global.errors = errors;
|
|
3506 return this;
|
|
3507 }
|
|
3508 }
|
|
3509 else
|
|
3510 resolve(loc, sc, &e, &t, &s);
|
|
3511
|
|
3512 if (!t)
|
|
3513 {
|
|
3514 #ifdef DEBUG
|
|
3515 printf("2: ");
|
|
3516 #endif
|
|
3517 error(loc, "%s is used as a type", toChars());
|
|
3518 t = tvoid;
|
|
3519 }
|
|
3520 return t;
|
|
3521 }
|
|
3522
|
|
3523
|
|
3524 /***************************** TypeTypeof *****************************/
|
|
3525
|
|
3526 TypeTypeof::TypeTypeof(Loc loc, Expression *exp)
|
|
3527 : TypeQualified(Ttypeof, loc)
|
|
3528 {
|
|
3529 this->exp = exp;
|
|
3530 }
|
|
3531
|
|
3532 Type *TypeTypeof::syntaxCopy()
|
|
3533 {
|
|
3534 TypeTypeof *t;
|
|
3535
|
|
3536 t = new TypeTypeof(loc, exp->syntaxCopy());
|
|
3537 t->syntaxCopyHelper(this);
|
|
3538 return t;
|
|
3539 }
|
|
3540
|
|
3541 Dsymbol *TypeTypeof::toDsymbol(Scope *sc)
|
|
3542 {
|
|
3543 Type *t;
|
|
3544
|
|
3545 t = semantic(0, sc);
|
|
3546 if (t == this)
|
|
3547 return NULL;
|
|
3548 return t->toDsymbol(sc);
|
|
3549 }
|
|
3550
|
|
3551 void TypeTypeof::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
3552 {
|
|
3553 OutBuffer tmp;
|
|
3554
|
|
3555 tmp.writestring("typeof(");
|
|
3556 exp->toCBuffer(&tmp, hgs);
|
|
3557 tmp.writeByte(')');
|
|
3558 toCBuffer2Helper(&tmp, NULL, hgs);
|
|
3559 buf->prependstring(tmp.toChars());
|
|
3560 if (ident)
|
|
3561 { buf->writeByte(' ');
|
|
3562 buf->writestring(ident->toChars());
|
|
3563 }
|
|
3564 }
|
|
3565
|
|
3566 Type *TypeTypeof::semantic(Loc loc, Scope *sc)
|
|
3567 { Expression *e;
|
|
3568 Type *t;
|
|
3569
|
|
3570 //printf("TypeTypeof::semantic() %p\n", this);
|
|
3571
|
|
3572 //static int nest; if (++nest == 50) *(char*)0=0;
|
|
3573
|
|
3574 #if 0
|
|
3575 /* Special case for typeof(this) and typeof(super) since both
|
|
3576 * should work even if they are not inside a non-static member function
|
|
3577 */
|
|
3578 if (exp->op == TOKthis || exp->op == TOKsuper)
|
|
3579 {
|
|
3580 // Find enclosing struct or class
|
|
3581 for (Dsymbol *s = sc->parent; 1; s = s->parent)
|
|
3582 {
|
|
3583 ClassDeclaration *cd;
|
|
3584 StructDeclaration *sd;
|
|
3585
|
|
3586 if (!s)
|
|
3587 {
|
|
3588 error(loc, "%s is not in a struct or class scope", exp->toChars());
|
|
3589 goto Lerr;
|
|
3590 }
|
|
3591 cd = s->isClassDeclaration();
|
|
3592 if (cd)
|
|
3593 {
|
|
3594 if (exp->op == TOKsuper)
|
|
3595 {
|
|
3596 cd = cd->baseClass;
|
|
3597 if (!cd)
|
|
3598 { error(loc, "class %s has no 'super'", s->toChars());
|
|
3599 goto Lerr;
|
|
3600 }
|
|
3601 }
|
|
3602 t = cd->type;
|
|
3603 break;
|
|
3604 }
|
|
3605 sd = s->isStructDeclaration();
|
|
3606 if (sd)
|
|
3607 {
|
|
3608 if (exp->op == TOKsuper)
|
|
3609 {
|
|
3610 error(loc, "struct %s has no 'super'", sd->toChars());
|
|
3611 goto Lerr;
|
|
3612 }
|
|
3613 t = sd->type->pointerTo();
|
|
3614 break;
|
|
3615 }
|
|
3616 }
|
|
3617 }
|
|
3618 else
|
|
3619 #endif
|
|
3620 {
|
|
3621 sc->intypeof++;
|
|
3622 exp = exp->semantic(sc);
|
|
3623 sc->intypeof--;
|
|
3624 t = exp->type;
|
|
3625 if (!t)
|
|
3626 {
|
|
3627 error(loc, "expression (%s) has no type", exp->toChars());
|
|
3628 goto Lerr;
|
|
3629 }
|
|
3630 }
|
|
3631
|
|
3632 if (idents.dim)
|
|
3633 {
|
|
3634 Dsymbol *s = t->toDsymbol(sc);
|
|
3635 for (size_t i = 0; i < idents.dim; i++)
|
|
3636 {
|
|
3637 if (!s)
|
|
3638 break;
|
|
3639 Identifier *id = (Identifier *)idents.data[i];
|
|
3640 s = s->searchX(loc, sc, id);
|
|
3641 }
|
|
3642 if (s)
|
|
3643 {
|
|
3644 t = s->getType();
|
|
3645 if (!t)
|
|
3646 { error(loc, "%s is not a type", s->toChars());
|
|
3647 goto Lerr;
|
|
3648 }
|
|
3649 }
|
|
3650 else
|
|
3651 { error(loc, "cannot resolve .property for %s", toChars());
|
|
3652 goto Lerr;
|
|
3653 }
|
|
3654 }
|
|
3655 return t;
|
|
3656
|
|
3657 Lerr:
|
|
3658 return tvoid;
|
|
3659 }
|
|
3660
|
|
3661 d_uns64 TypeTypeof::size(Loc loc)
|
|
3662 {
|
|
3663 if (exp->type)
|
|
3664 return exp->type->size(loc);
|
|
3665 else
|
|
3666 return TypeQualified::size(loc);
|
|
3667 }
|
|
3668
|
|
3669
|
|
3670
|
|
3671 /***************************** TypeEnum *****************************/
|
|
3672
|
|
3673 TypeEnum::TypeEnum(EnumDeclaration *sym)
|
|
3674 : Type(Tenum, NULL)
|
|
3675 {
|
|
3676 this->sym = sym;
|
|
3677 }
|
|
3678
|
|
3679 char *TypeEnum::toChars()
|
|
3680 {
|
|
3681 return sym->toChars();
|
|
3682 }
|
|
3683
|
|
3684 Type *TypeEnum::semantic(Loc loc, Scope *sc)
|
|
3685 {
|
|
3686 sym->semantic(sc);
|
|
3687 return merge();
|
|
3688 }
|
|
3689
|
|
3690 d_uns64 TypeEnum::size(Loc loc)
|
|
3691 {
|
|
3692 if (!sym->memtype)
|
|
3693 {
|
|
3694 error(loc, "enum %s is forward referenced", sym->toChars());
|
|
3695 return 4;
|
|
3696 }
|
|
3697 return sym->memtype->size(loc);
|
|
3698 }
|
|
3699
|
|
3700 unsigned TypeEnum::alignsize()
|
|
3701 {
|
|
3702 if (!sym->memtype)
|
|
3703 {
|
|
3704 #ifdef DEBUG
|
|
3705 printf("1: ");
|
|
3706 #endif
|
|
3707 error(0, "enum %s is forward referenced", sym->toChars());
|
|
3708 return 4;
|
|
3709 }
|
|
3710 return sym->memtype->alignsize();
|
|
3711 }
|
|
3712
|
|
3713 Dsymbol *TypeEnum::toDsymbol(Scope *sc)
|
|
3714 {
|
|
3715 return sym;
|
|
3716 }
|
|
3717
|
|
3718 Type *TypeEnum::toBasetype()
|
|
3719 {
|
|
3720 if (!sym->memtype)
|
|
3721 {
|
|
3722 #ifdef DEBUG
|
|
3723 printf("2: ");
|
|
3724 #endif
|
|
3725 error(sym->loc, "enum %s is forward referenced", sym->toChars());
|
|
3726 return tint32;
|
|
3727 }
|
|
3728 return sym->memtype->toBasetype();
|
|
3729 }
|
|
3730
|
|
3731 void TypeEnum::toDecoBuffer(OutBuffer *buf)
|
|
3732 { char *name;
|
|
3733
|
|
3734 name = sym->mangle();
|
|
3735 // if (name[0] == '_' && name[1] == 'D')
|
|
3736 // name += 2;
|
|
3737 buf->printf("%c%s", mangleChar[ty], name);
|
|
3738 }
|
|
3739
|
|
3740 void TypeEnum::toTypeInfoBuffer(OutBuffer *buf)
|
|
3741 {
|
|
3742 toBasetype()->toTypeInfoBuffer(buf);
|
|
3743 }
|
|
3744
|
|
3745 void TypeEnum::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
3746 {
|
|
3747 buf->prependstring(sym->toChars());
|
|
3748 if (ident)
|
|
3749 { buf->writeByte(' ');
|
|
3750 buf->writestring(ident->toChars());
|
|
3751 }
|
|
3752 }
|
|
3753
|
|
3754 Expression *TypeEnum::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
3755 {
|
|
3756 EnumMember *m;
|
|
3757 Dsymbol *s;
|
|
3758 Expression *em;
|
|
3759
|
|
3760 #if LOGDOTEXP
|
|
3761 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars());
|
|
3762 #endif
|
|
3763 s = sym->symtab->lookup(ident);
|
|
3764 if (!s)
|
|
3765 {
|
|
3766 return getProperty(e->loc, ident);
|
|
3767 }
|
|
3768 m = s->isEnumMember();
|
|
3769 em = m->value->copy();
|
|
3770 em->loc = e->loc;
|
|
3771 return em;
|
|
3772 }
|
|
3773
|
|
3774 Expression *TypeEnum::getProperty(Loc loc, Identifier *ident)
|
|
3775 { Expression *e;
|
|
3776
|
|
3777 if (ident == Id::max)
|
|
3778 {
|
|
3779 if (!sym->symtab)
|
|
3780 goto Lfwd;
|
|
3781 e = new IntegerExp(0, sym->maxval, this);
|
|
3782 }
|
|
3783 else if (ident == Id::min)
|
|
3784 {
|
|
3785 if (!sym->symtab)
|
|
3786 goto Lfwd;
|
|
3787 e = new IntegerExp(0, sym->minval, this);
|
|
3788 }
|
|
3789 else if (ident == Id::init)
|
|
3790 {
|
|
3791 if (!sym->symtab)
|
|
3792 goto Lfwd;
|
|
3793 e = defaultInit();
|
|
3794 }
|
|
3795 else
|
|
3796 {
|
|
3797 if (!sym->memtype)
|
|
3798 goto Lfwd;
|
|
3799 e = sym->memtype->getProperty(loc, ident);
|
|
3800 }
|
|
3801 return e;
|
|
3802
|
|
3803 Lfwd:
|
|
3804 error(loc, "forward reference of %s.%s", toChars(), ident->toChars());
|
|
3805 return new IntegerExp(0, 0, this);
|
|
3806 }
|
|
3807
|
|
3808 int TypeEnum::isintegral()
|
|
3809 {
|
|
3810 return 1;
|
|
3811 }
|
|
3812
|
|
3813 int TypeEnum::isfloating()
|
|
3814 {
|
|
3815 return 0;
|
|
3816 }
|
|
3817
|
|
3818 int TypeEnum::isunsigned()
|
|
3819 {
|
|
3820 return sym->memtype->isunsigned();
|
|
3821 }
|
|
3822
|
|
3823 int TypeEnum::isscalar()
|
|
3824 {
|
|
3825 return 1;
|
|
3826 //return sym->memtype->isscalar();
|
|
3827 }
|
|
3828
|
|
3829 MATCH TypeEnum::implicitConvTo(Type *to)
|
|
3830 { MATCH m;
|
|
3831
|
|
3832 //printf("TypeEnum::implicitConvTo()\n");
|
|
3833 if (this->equals(to))
|
|
3834 m = MATCHexact; // exact match
|
|
3835 else if (sym->memtype->implicitConvTo(to))
|
|
3836 m = MATCHconvert; // match with conversions
|
|
3837 else
|
|
3838 m = MATCHnomatch; // no match
|
|
3839 return m;
|
|
3840 }
|
|
3841
|
|
3842 Expression *TypeEnum::defaultInit()
|
|
3843 {
|
|
3844 #if LOGDEFAULTINIT
|
|
3845 printf("TypeEnum::defaultInit() '%s'\n", toChars());
|
|
3846 #endif
|
|
3847 // Initialize to first member of enum
|
|
3848 Expression *e;
|
|
3849 e = new IntegerExp(0, sym->defaultval, this);
|
|
3850 return e;
|
|
3851 }
|
|
3852
|
|
3853 int TypeEnum::isZeroInit()
|
|
3854 {
|
|
3855 return (sym->defaultval == 0);
|
|
3856 }
|
|
3857
|
|
3858 int TypeEnum::hasPointers()
|
|
3859 {
|
|
3860 return toBasetype()->hasPointers();
|
|
3861 }
|
|
3862
|
|
3863 /***************************** TypeTypedef *****************************/
|
|
3864
|
|
3865 TypeTypedef::TypeTypedef(TypedefDeclaration *sym)
|
|
3866 : Type(Ttypedef, NULL)
|
|
3867 {
|
|
3868 this->sym = sym;
|
|
3869 }
|
|
3870
|
|
3871 Type *TypeTypedef::syntaxCopy()
|
|
3872 {
|
|
3873 return this;
|
|
3874 }
|
|
3875
|
|
3876 char *TypeTypedef::toChars()
|
|
3877 {
|
|
3878 return sym->toChars();
|
|
3879 }
|
|
3880
|
|
3881 Type *TypeTypedef::semantic(Loc loc, Scope *sc)
|
|
3882 {
|
|
3883 //printf("TypeTypedef::semantic(%s), sem = %d\n", toChars(), sym->sem);
|
|
3884 sym->semantic(sc);
|
|
3885 return merge();
|
|
3886 }
|
|
3887
|
|
3888 d_uns64 TypeTypedef::size(Loc loc)
|
|
3889 {
|
|
3890 return sym->basetype->size(loc);
|
|
3891 }
|
|
3892
|
|
3893 unsigned TypeTypedef::alignsize()
|
|
3894 {
|
|
3895 return sym->basetype->alignsize();
|
|
3896 }
|
|
3897
|
|
3898 Dsymbol *TypeTypedef::toDsymbol(Scope *sc)
|
|
3899 {
|
|
3900 return sym;
|
|
3901 }
|
|
3902
|
|
3903 void TypeTypedef::toDecoBuffer(OutBuffer *buf)
|
|
3904 { unsigned len;
|
|
3905 char *name;
|
|
3906
|
|
3907 name = sym->mangle();
|
|
3908 // if (name[0] == '_' && name[1] == 'D')
|
|
3909 // name += 2;
|
|
3910 //len = strlen(name);
|
|
3911 //buf->printf("%c%d%s", mangleChar[ty], len, name);
|
|
3912 buf->printf("%c%s", mangleChar[ty], name);
|
|
3913 }
|
|
3914
|
|
3915 void TypeTypedef::toTypeInfoBuffer(OutBuffer *buf)
|
|
3916 {
|
|
3917 sym->basetype->toTypeInfoBuffer(buf);
|
|
3918 }
|
|
3919
|
|
3920 void TypeTypedef::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
3921 {
|
|
3922 //printf("TypeTypedef::toCBuffer2() '%s'\n", sym->toChars());
|
|
3923 buf->prependstring(sym->toChars());
|
|
3924 if (ident)
|
|
3925 { buf->writeByte(' ');
|
|
3926 buf->writestring(ident->toChars());
|
|
3927 }
|
|
3928 }
|
|
3929
|
|
3930 Expression *TypeTypedef::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
3931 {
|
|
3932 #if LOGDOTEXP
|
|
3933 printf("TypeTypedef::dotExp(e = '%s', ident = '%s') '%s'\n", e->toChars(), ident->toChars(), toChars());
|
|
3934 #endif
|
|
3935 if (ident == Id::init)
|
|
3936 {
|
|
3937 return Type::dotExp(sc, e, ident);
|
|
3938 }
|
|
3939 return sym->basetype->dotExp(sc, e, ident);
|
|
3940 }
|
|
3941
|
|
3942 int TypeTypedef::isbit()
|
|
3943 {
|
|
3944 return sym->basetype->isbit();
|
|
3945 }
|
|
3946
|
|
3947 int TypeTypedef::isintegral()
|
|
3948 {
|
|
3949 //printf("TypeTypedef::isintegral()\n");
|
|
3950 //printf("sym = '%s'\n", sym->toChars());
|
|
3951 //printf("basetype = '%s'\n", sym->basetype->toChars());
|
|
3952 return sym->basetype->isintegral();
|
|
3953 }
|
|
3954
|
|
3955 int TypeTypedef::isfloating()
|
|
3956 {
|
|
3957 return sym->basetype->isfloating();
|
|
3958 }
|
|
3959
|
|
3960 int TypeTypedef::isreal()
|
|
3961 {
|
|
3962 return sym->basetype->isreal();
|
|
3963 }
|
|
3964
|
|
3965 int TypeTypedef::isimaginary()
|
|
3966 {
|
|
3967 return sym->basetype->isimaginary();
|
|
3968 }
|
|
3969
|
|
3970 int TypeTypedef::iscomplex()
|
|
3971 {
|
|
3972 return sym->basetype->iscomplex();
|
|
3973 }
|
|
3974
|
|
3975 int TypeTypedef::isunsigned()
|
|
3976 {
|
|
3977 return sym->basetype->isunsigned();
|
|
3978 }
|
|
3979
|
|
3980 int TypeTypedef::isscalar()
|
|
3981 {
|
|
3982 return sym->basetype->isscalar();
|
|
3983 }
|
|
3984
|
|
3985 int TypeTypedef::checkBoolean()
|
|
3986 {
|
|
3987 return sym->basetype->checkBoolean();
|
|
3988 }
|
|
3989
|
|
3990 Type *TypeTypedef::toBasetype()
|
|
3991 {
|
|
3992 if (sym->inuse)
|
|
3993 {
|
|
3994 sym->error("circular definition");
|
|
3995 sym->basetype = Type::terror;
|
|
3996 return Type::terror;
|
|
3997 }
|
|
3998 sym->inuse = 1;
|
|
3999 Type *t = sym->basetype->toBasetype();
|
|
4000 sym->inuse = 0;
|
|
4001 return t;
|
|
4002 }
|
|
4003
|
|
4004 MATCH TypeTypedef::implicitConvTo(Type *to)
|
|
4005 { MATCH m;
|
|
4006
|
|
4007 //printf("TypeTypedef::implicitConvTo()\n");
|
|
4008 if (this->equals(to))
|
|
4009 m = MATCHexact; // exact match
|
|
4010 else if (sym->basetype->implicitConvTo(to))
|
|
4011 m = MATCHconvert; // match with conversions
|
|
4012 else
|
|
4013 m = MATCHnomatch; // no match
|
|
4014 return m;
|
|
4015 }
|
|
4016
|
|
4017 Expression *TypeTypedef::defaultInit()
|
|
4018 { Expression *e;
|
|
4019 Type *bt;
|
|
4020
|
|
4021 #if LOGDEFAULTINIT
|
|
4022 printf("TypeTypedef::defaultInit() '%s'\n", toChars());
|
|
4023 #endif
|
|
4024 if (sym->init)
|
|
4025 {
|
|
4026 //sym->init->toExpression()->print();
|
|
4027 return sym->init->toExpression();
|
|
4028 }
|
|
4029 bt = sym->basetype;
|
|
4030 e = bt->defaultInit();
|
|
4031 e->type = this;
|
|
4032 while (bt->ty == Tsarray)
|
|
4033 {
|
|
4034 e->type = bt->next;
|
|
4035 bt = bt->next->toBasetype();
|
|
4036 }
|
|
4037 return e;
|
|
4038 }
|
|
4039
|
|
4040 int TypeTypedef::isZeroInit()
|
|
4041 {
|
|
4042 if (sym->init)
|
|
4043 {
|
|
4044 if (sym->init->isVoidInitializer())
|
|
4045 return 1; // initialize voids to 0
|
|
4046 Expression *e = sym->init->toExpression();
|
|
4047 if (e && e->isBool(FALSE))
|
|
4048 return 1;
|
|
4049 return 0; // assume not
|
|
4050 }
|
|
4051 if (sym->inuse)
|
|
4052 {
|
|
4053 sym->error("circular definition");
|
|
4054 sym->basetype = Type::terror;
|
|
4055 }
|
|
4056 sym->inuse = 1;
|
|
4057 int result = sym->basetype->isZeroInit();
|
|
4058 sym->inuse = 0;
|
|
4059 return result;
|
|
4060 }
|
|
4061
|
|
4062 int TypeTypedef::hasPointers()
|
|
4063 {
|
|
4064 return toBasetype()->hasPointers();
|
|
4065 }
|
|
4066
|
|
4067 /***************************** TypeStruct *****************************/
|
|
4068
|
|
4069 TypeStruct::TypeStruct(StructDeclaration *sym)
|
|
4070 : Type(Tstruct, NULL)
|
|
4071 {
|
|
4072 this->sym = sym;
|
|
4073 llvmInit = 0;
|
|
4074 }
|
|
4075
|
|
4076 char *TypeStruct::toChars()
|
|
4077 {
|
|
4078 //printf("sym.parent: %s, deco = %s\n", sym->parent->toChars(), deco);
|
|
4079 TemplateInstance *ti = sym->parent->isTemplateInstance();
|
|
4080 if (ti && ti->toAlias() == sym)
|
|
4081 return ti->toChars();
|
|
4082 return sym->toChars();
|
|
4083 }
|
|
4084
|
|
4085 Type *TypeStruct::syntaxCopy()
|
|
4086 {
|
|
4087 return this;
|
|
4088 }
|
|
4089
|
|
4090 Type *TypeStruct::semantic(Loc loc, Scope *sc)
|
|
4091 {
|
|
4092 //printf("TypeStruct::semantic('%s')\n", sym->toChars());
|
|
4093
|
|
4094 /* Cannot do semantic for sym because scope chain may not
|
|
4095 * be right.
|
|
4096 */
|
|
4097 //sym->semantic(sc);
|
|
4098
|
|
4099 return merge();
|
|
4100 }
|
|
4101
|
|
4102 d_uns64 TypeStruct::size(Loc loc)
|
|
4103 {
|
|
4104 return sym->size(loc);
|
|
4105 }
|
|
4106
|
|
4107 unsigned TypeStruct::alignsize()
|
|
4108 { unsigned sz;
|
|
4109
|
|
4110 sym->size(0); // give error for forward references
|
|
4111 sz = sym->alignsize;
|
|
4112 if (sz > sym->structalign)
|
|
4113 sz = sym->structalign;
|
|
4114 return sz;
|
|
4115 }
|
|
4116
|
|
4117 Dsymbol *TypeStruct::toDsymbol(Scope *sc)
|
|
4118 {
|
|
4119 return sym;
|
|
4120 }
|
|
4121
|
|
4122 void TypeStruct::toDecoBuffer(OutBuffer *buf)
|
|
4123 { unsigned len;
|
|
4124 char *name;
|
|
4125
|
|
4126 name = sym->mangle();
|
|
4127 //printf("TypeStruct::toDecoBuffer('%s') = '%s'\n", toChars(), name);
|
|
4128 // if (name[0] == '_' && name[1] == 'D')
|
|
4129 // name += 2;
|
|
4130 //len = strlen(name);
|
|
4131 //buf->printf("%c%d%s", mangleChar[ty], len, name);
|
|
4132 buf->printf("%c%s", mangleChar[ty], name);
|
|
4133 }
|
|
4134
|
|
4135 void TypeStruct::toTypeInfoBuffer(OutBuffer *buf)
|
|
4136 {
|
|
4137 toDecoBuffer(buf);
|
|
4138 }
|
|
4139
|
|
4140
|
|
4141 void TypeStruct::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
4142 {
|
|
4143 buf->prependbyte(' ');
|
|
4144 buf->prependstring(toChars());
|
|
4145 if (ident)
|
|
4146 buf->writestring(ident->toChars());
|
|
4147 }
|
|
4148
|
|
4149 Expression *TypeStruct::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
4150 { unsigned offset;
|
|
4151
|
|
4152 Expression *b;
|
|
4153 VarDeclaration *v;
|
|
4154 Dsymbol *s;
|
|
4155 DotVarExp *de;
|
|
4156 Declaration *d;
|
|
4157
|
|
4158 #if LOGDOTEXP
|
|
4159 printf("TypeStruct::dotExp(e = '%s', ident = '%s')\n", e->toChars(), ident->toChars());
|
|
4160 #endif
|
|
4161 if (!sym->members)
|
|
4162 {
|
|
4163 error(e->loc, "struct %s is forward referenced", sym->toChars());
|
|
4164 return new IntegerExp(e->loc, 0, Type::tint32);
|
|
4165 }
|
|
4166
|
|
4167 if (ident == Id::tupleof)
|
|
4168 {
|
|
4169 /* Create a TupleExp
|
|
4170 */
|
|
4171 Expressions *exps = new Expressions;
|
|
4172 exps->reserve(sym->fields.dim);
|
|
4173 for (size_t i = 0; i < sym->fields.dim; i++)
|
|
4174 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i];
|
|
4175 Expression *fe = new DotVarExp(e->loc, e, v);
|
|
4176 exps->push(fe);
|
|
4177 }
|
|
4178 e = new TupleExp(e->loc, exps);
|
|
4179 e = e->semantic(sc);
|
|
4180 return e;
|
|
4181 }
|
|
4182
|
|
4183 if (e->op == TOKdotexp)
|
|
4184 { DotExp *de = (DotExp *)e;
|
|
4185
|
|
4186 if (de->e1->op == TOKimport)
|
|
4187 {
|
|
4188 ScopeExp *se = (ScopeExp *)de->e1;
|
|
4189
|
|
4190 s = se->sds->search(e->loc, ident, 0);
|
|
4191 e = de->e1;
|
|
4192 goto L1;
|
|
4193 }
|
|
4194 }
|
|
4195
|
|
4196 s = sym->search(e->loc, ident, 0);
|
|
4197 L1:
|
|
4198 if (!s)
|
|
4199 {
|
|
4200 //return getProperty(e->loc, ident);
|
|
4201 return Type::dotExp(sc, e, ident);
|
|
4202 }
|
|
4203 s = s->toAlias();
|
|
4204
|
|
4205 v = s->isVarDeclaration();
|
|
4206 if (v && v->isConst())
|
|
4207 { ExpInitializer *ei = v->getExpInitializer();
|
|
4208
|
|
4209 if (ei)
|
|
4210 { e = ei->exp->copy(); // need to copy it if it's a StringExp
|
|
4211 e = e->semantic(sc);
|
|
4212 return e;
|
|
4213 }
|
|
4214 }
|
|
4215
|
|
4216 if (s->getType())
|
|
4217 {
|
|
4218 //return new DotTypeExp(e->loc, e, s);
|
|
4219 return new TypeExp(e->loc, s->getType());
|
|
4220 }
|
|
4221
|
|
4222 EnumMember *em = s->isEnumMember();
|
|
4223 if (em)
|
|
4224 {
|
|
4225 assert(em->value);
|
|
4226 return em->value->copy();
|
|
4227 }
|
|
4228
|
|
4229 TemplateMixin *tm = s->isTemplateMixin();
|
|
4230 if (tm)
|
|
4231 { Expression *de;
|
|
4232
|
|
4233 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm));
|
|
4234 de->type = e->type;
|
|
4235 return de;
|
|
4236 }
|
|
4237
|
|
4238 TemplateDeclaration *td = s->isTemplateDeclaration();
|
|
4239 if (td)
|
|
4240 {
|
|
4241 e = new DotTemplateExp(e->loc, e, td);
|
|
4242 e->semantic(sc);
|
|
4243 return e;
|
|
4244 }
|
|
4245
|
|
4246 d = s->isDeclaration();
|
|
4247 #ifdef DEBUG
|
|
4248 if (!d)
|
|
4249 printf("d = %s '%s'\n", s->kind(), s->toChars());
|
|
4250 #endif
|
|
4251 assert(d);
|
|
4252
|
|
4253 if (e->op == TOKtype)
|
|
4254 { FuncDeclaration *fd = sc->func;
|
|
4255
|
|
4256 if (d->needThis() && fd && fd->vthis)
|
|
4257 {
|
|
4258 e = new DotVarExp(e->loc, new ThisExp(e->loc), d);
|
|
4259 e = e->semantic(sc);
|
|
4260 return e;
|
|
4261 }
|
|
4262 if (d->isTupleDeclaration())
|
|
4263 {
|
|
4264 e = new TupleExp(e->loc, d->isTupleDeclaration());
|
|
4265 e = e->semantic(sc);
|
|
4266 return e;
|
|
4267 }
|
|
4268 return new VarExp(e->loc, d);
|
|
4269 }
|
|
4270
|
|
4271 if (d->isDataseg())
|
|
4272 {
|
|
4273 // (e, d)
|
|
4274 VarExp *ve;
|
|
4275
|
|
4276 accessCheck(e->loc, sc, e, d);
|
|
4277 ve = new VarExp(e->loc, d);
|
|
4278 e = new CommaExp(e->loc, e, ve);
|
|
4279 e->type = d->type;
|
|
4280 return e;
|
|
4281 }
|
|
4282
|
|
4283 if (v)
|
|
4284 {
|
|
4285 if (v->toParent() != sym)
|
|
4286 sym->error(e->loc, "'%s' is not a member", v->toChars());
|
|
4287
|
|
4288 // *(&e + offset)
|
|
4289 accessCheck(e->loc, sc, e, d);
|
|
4290 b = new AddrExp(e->loc, e);
|
|
4291 b->type = e->type->pointerTo();
|
|
4292 b = new AddExp(e->loc, b, new IntegerExp(e->loc, v->offset, Type::tint32));
|
|
4293 b->type = v->type->pointerTo();
|
|
4294 e = new PtrExp(e->loc, b);
|
|
4295 e->type = v->type;
|
|
4296 return e;
|
|
4297 }
|
|
4298
|
|
4299 de = new DotVarExp(e->loc, e, d);
|
|
4300 return de->semantic(sc);
|
|
4301 }
|
|
4302
|
|
4303 unsigned TypeStruct::memalign(unsigned salign)
|
|
4304 {
|
|
4305 sym->size(0); // give error for forward references
|
|
4306 return sym->structalign;
|
|
4307 }
|
|
4308
|
|
4309 Expression *TypeStruct::defaultInit()
|
|
4310 { Symbol *s;
|
|
4311 Declaration *d;
|
|
4312
|
|
4313 #if LOGDEFAULTINIT
|
|
4314 printf("TypeStruct::defaultInit() '%s'\n", toChars());
|
|
4315 #endif
|
|
4316 s = sym->toInitializer();
|
|
4317 d = new SymbolDeclaration(sym->loc, s, sym);
|
|
4318 assert(d);
|
|
4319 d->type = this;
|
|
4320 return new VarExp(sym->loc, d);
|
|
4321 }
|
|
4322
|
|
4323 int TypeStruct::isZeroInit()
|
|
4324 {
|
|
4325 return sym->zeroInit;
|
|
4326 }
|
|
4327
|
|
4328 int TypeStruct::checkBoolean()
|
|
4329 {
|
|
4330 return FALSE;
|
|
4331 }
|
|
4332
|
|
4333 int TypeStruct::hasPointers()
|
|
4334 {
|
|
4335 StructDeclaration *s = sym;
|
|
4336
|
|
4337 sym->size(0); // give error for forward references
|
|
4338 if (s->members)
|
|
4339 {
|
|
4340 for (size_t i = 0; i < s->members->dim; i++)
|
|
4341 {
|
|
4342 Dsymbol *sm = (Dsymbol *)s->members->data[i];
|
|
4343 if (sm->hasPointers())
|
|
4344 return TRUE;
|
|
4345 }
|
|
4346 }
|
|
4347 return FALSE;
|
|
4348 }
|
|
4349
|
|
4350
|
|
4351 /***************************** TypeClass *****************************/
|
|
4352
|
|
4353 TypeClass::TypeClass(ClassDeclaration *sym)
|
|
4354 : Type(Tclass, NULL)
|
|
4355 {
|
|
4356 this->sym = sym;
|
|
4357 llvmInit = 0;
|
|
4358 }
|
|
4359
|
|
4360 char *TypeClass::toChars()
|
|
4361 {
|
|
4362 return sym->toPrettyChars();
|
|
4363 }
|
|
4364
|
|
4365 Type *TypeClass::syntaxCopy()
|
|
4366 {
|
|
4367 return this;
|
|
4368 }
|
|
4369
|
|
4370 Type *TypeClass::semantic(Loc loc, Scope *sc)
|
|
4371 {
|
|
4372 //printf("TypeClass::semantic(%s)\n", sym->toChars());
|
|
4373 if (sym->scope)
|
|
4374 sym->semantic(sym->scope);
|
|
4375 return merge();
|
|
4376 }
|
|
4377
|
|
4378 d_uns64 TypeClass::size(Loc loc)
|
|
4379 {
|
|
4380 return PTRSIZE;
|
|
4381 }
|
|
4382
|
|
4383 Dsymbol *TypeClass::toDsymbol(Scope *sc)
|
|
4384 {
|
|
4385 return sym;
|
|
4386 }
|
|
4387
|
|
4388 void TypeClass::toDecoBuffer(OutBuffer *buf)
|
|
4389 { unsigned len;
|
|
4390 char *name;
|
|
4391
|
|
4392 name = sym->mangle();
|
|
4393 // if (name[0] == '_' && name[1] == 'D')
|
|
4394 // name += 2;
|
|
4395 //printf("TypeClass::toDecoBuffer('%s') = '%s'\n", toChars(), name);
|
|
4396 //len = strlen(name);
|
|
4397 //buf->printf("%c%d%s", mangleChar[ty], len, name);
|
|
4398 buf->printf("%c%s", mangleChar[ty], name);
|
|
4399 }
|
|
4400
|
|
4401 void TypeClass::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
4402 {
|
|
4403 buf->prependstring(sym->toChars());
|
|
4404 if (ident)
|
|
4405 { buf->writeByte(' ');
|
|
4406 buf->writestring(ident->toChars());
|
|
4407 }
|
|
4408 }
|
|
4409
|
|
4410 Expression *TypeClass::dotExp(Scope *sc, Expression *e, Identifier *ident)
|
|
4411 { unsigned offset;
|
|
4412
|
|
4413 Expression *b;
|
|
4414 VarDeclaration *v;
|
|
4415 Dsymbol *s;
|
|
4416 DotVarExp *de;
|
|
4417 Declaration *d;
|
|
4418
|
|
4419 #if LOGDOTEXP
|
|
4420 printf("TypeClass::dotExp(e='%s', ident='%s')\n", e->toChars(), ident->toChars());
|
|
4421 #endif
|
|
4422
|
|
4423 if (e->op == TOKdotexp)
|
|
4424 { DotExp *de = (DotExp *)e;
|
|
4425
|
|
4426 if (de->e1->op == TOKimport)
|
|
4427 {
|
|
4428 ScopeExp *se = (ScopeExp *)de->e1;
|
|
4429
|
|
4430 s = se->sds->search(e->loc, ident, 0);
|
|
4431 e = de->e1;
|
|
4432 goto L1;
|
|
4433 }
|
|
4434 }
|
|
4435
|
|
4436 if (ident == Id::tupleof)
|
|
4437 {
|
|
4438 /* Create a TupleExp
|
|
4439 */
|
|
4440 Expressions *exps = new Expressions;
|
|
4441 exps->reserve(sym->fields.dim);
|
|
4442 for (size_t i = 0; i < sym->fields.dim; i++)
|
|
4443 { VarDeclaration *v = (VarDeclaration *)sym->fields.data[i];
|
|
4444 Expression *fe = new DotVarExp(e->loc, e, v);
|
|
4445 exps->push(fe);
|
|
4446 }
|
|
4447 e = new TupleExp(e->loc, exps);
|
|
4448 e = e->semantic(sc);
|
|
4449 return e;
|
|
4450 }
|
|
4451
|
|
4452 s = sym->search(e->loc, ident, 0);
|
|
4453 L1:
|
|
4454 if (!s)
|
|
4455 {
|
|
4456 // See if it's a base class
|
|
4457 ClassDeclaration *cbase;
|
|
4458 for (cbase = sym->baseClass; cbase; cbase = cbase->baseClass)
|
|
4459 {
|
|
4460 if (cbase->ident->equals(ident))
|
|
4461 {
|
|
4462 e = new DotTypeExp(0, e, cbase);
|
|
4463 return e;
|
|
4464 }
|
|
4465 }
|
|
4466
|
|
4467 if (ident == Id::classinfo)
|
|
4468 {
|
|
4469 Type *t;
|
|
4470
|
|
4471 assert(ClassDeclaration::classinfo);
|
|
4472 t = ClassDeclaration::classinfo->type;
|
|
4473 if (e->op == TOKtype || e->op == TOKdottype)
|
|
4474 {
|
|
4475 if (!sym->vclassinfo)
|
|
4476 sym->vclassinfo = new ClassInfoDeclaration(sym);
|
|
4477 e = new VarExp(e->loc, sym->vclassinfo);
|
|
4478 e = e->addressOf(sc);
|
|
4479 e->type = t; // do this so we don't get redundant dereference
|
|
4480 }
|
|
4481 else
|
|
4482 {
|
|
4483 e = new PtrExp(e->loc, e);
|
|
4484 e->type = t->pointerTo();
|
|
4485 if (sym->isInterfaceDeclaration())
|
|
4486 {
|
|
4487 if (sym->isCOMclass())
|
|
4488 error(e->loc, "no .classinfo for COM interface objects");
|
|
4489 e->type = e->type->pointerTo();
|
|
4490 e = new PtrExp(e->loc, e);
|
|
4491 e->type = t->pointerTo();
|
|
4492 }
|
|
4493 e = new PtrExp(e->loc, e, t);
|
|
4494 }
|
|
4495 return e;
|
|
4496 }
|
|
4497
|
|
4498 if (ident == Id::typeinfo)
|
|
4499 {
|
|
4500 if (!global.params.useDeprecated)
|
|
4501 error(e->loc, ".typeinfo deprecated, use typeid(type)");
|
|
4502 return getTypeInfo(sc);
|
|
4503 }
|
|
4504 if (ident == Id::outer && sym->vthis)
|
|
4505 {
|
|
4506 s = sym->vthis;
|
|
4507 }
|
|
4508 else
|
|
4509 {
|
|
4510 //return getProperty(e->loc, ident);
|
|
4511 return Type::dotExp(sc, e, ident);
|
|
4512 }
|
|
4513 }
|
|
4514 s = s->toAlias();
|
|
4515 v = s->isVarDeclaration();
|
|
4516 if (v && v->isConst())
|
|
4517 { ExpInitializer *ei = v->getExpInitializer();
|
|
4518
|
|
4519 if (ei)
|
|
4520 { e = ei->exp->copy(); // need to copy it if it's a StringExp
|
|
4521 e = e->semantic(sc);
|
|
4522 return e;
|
|
4523 }
|
|
4524 }
|
|
4525
|
|
4526 if (s->getType())
|
|
4527 {
|
|
4528 // if (e->op == TOKtype)
|
|
4529 return new TypeExp(e->loc, s->getType());
|
|
4530 // return new DotTypeExp(e->loc, e, s);
|
|
4531 }
|
|
4532
|
|
4533 EnumMember *em = s->isEnumMember();
|
|
4534 if (em)
|
|
4535 {
|
|
4536 assert(em->value);
|
|
4537 return em->value->copy();
|
|
4538 }
|
|
4539
|
|
4540 TemplateMixin *tm = s->isTemplateMixin();
|
|
4541 if (tm)
|
|
4542 { Expression *de;
|
|
4543
|
|
4544 de = new DotExp(e->loc, e, new ScopeExp(e->loc, tm));
|
|
4545 de->type = e->type;
|
|
4546 return de;
|
|
4547 }
|
|
4548
|
|
4549 TemplateDeclaration *td = s->isTemplateDeclaration();
|
|
4550 if (td)
|
|
4551 {
|
|
4552 e = new DotTemplateExp(e->loc, e, td);
|
|
4553 e->semantic(sc);
|
|
4554 return e;
|
|
4555 }
|
|
4556
|
|
4557 d = s->isDeclaration();
|
|
4558 if (!d)
|
|
4559 {
|
|
4560 e->error("%s.%s is not a declaration", e->toChars(), ident->toChars());
|
|
4561 return new IntegerExp(e->loc, 1, Type::tint32);
|
|
4562 }
|
|
4563
|
|
4564 if (e->op == TOKtype)
|
|
4565 {
|
|
4566 VarExp *ve;
|
|
4567
|
|
4568 if (d->needThis() && (hasThis(sc) || !d->isFuncDeclaration()))
|
|
4569 {
|
|
4570 if (sc->func)
|
|
4571 {
|
|
4572 ClassDeclaration *thiscd;
|
|
4573 thiscd = sc->func->toParent()->isClassDeclaration();
|
|
4574
|
|
4575 if (thiscd)
|
|
4576 {
|
|
4577 ClassDeclaration *cd = e->type->isClassHandle();
|
|
4578
|
|
4579 if (cd == thiscd)
|
|
4580 {
|
|
4581 e = new ThisExp(e->loc);
|
|
4582 e = new DotTypeExp(e->loc, e, cd);
|
|
4583 de = new DotVarExp(e->loc, e, d);
|
|
4584 e = de->semantic(sc);
|
|
4585 return e;
|
|
4586 }
|
|
4587 else if ((!cd || !cd->isBaseOf(thiscd, NULL)) &&
|
|
4588 !d->isFuncDeclaration())
|
|
4589 e->error("'this' is required, but %s is not a base class of %s", e->type->toChars(), thiscd->toChars());
|
|
4590 }
|
|
4591 }
|
|
4592
|
|
4593 de = new DotVarExp(e->loc, new ThisExp(e->loc), d);
|
|
4594 e = de->semantic(sc);
|
|
4595 return e;
|
|
4596 }
|
|
4597 else if (d->isTupleDeclaration())
|
|
4598 {
|
|
4599 e = new TupleExp(e->loc, d->isTupleDeclaration());
|
|
4600 e = e->semantic(sc);
|
|
4601 return e;
|
|
4602 }
|
|
4603 else
|
|
4604 ve = new VarExp(e->loc, d);
|
|
4605 return ve;
|
|
4606 }
|
|
4607
|
|
4608 if (d->isDataseg())
|
|
4609 {
|
|
4610 // (e, d)
|
|
4611 VarExp *ve;
|
|
4612
|
|
4613 accessCheck(e->loc, sc, e, d);
|
|
4614 ve = new VarExp(e->loc, d);
|
|
4615 e = new CommaExp(e->loc, e, ve);
|
|
4616 e->type = d->type;
|
|
4617 return e;
|
|
4618 }
|
|
4619
|
|
4620 if (d->parent && d->toParent()->isModule())
|
|
4621 {
|
|
4622 // (e, d)
|
|
4623 VarExp *ve;
|
|
4624
|
|
4625 ve = new VarExp(e->loc, d);
|
|
4626 e = new CommaExp(e->loc, e, ve);
|
|
4627 e->type = d->type;
|
|
4628 return e;
|
|
4629 }
|
|
4630
|
|
4631 de = new DotVarExp(e->loc, e, d);
|
|
4632 return de->semantic(sc);
|
|
4633 }
|
|
4634
|
|
4635 ClassDeclaration *TypeClass::isClassHandle()
|
|
4636 {
|
|
4637 return sym;
|
|
4638 }
|
|
4639
|
|
4640 int TypeClass::isauto()
|
|
4641 {
|
|
4642 return sym->isauto;
|
|
4643 }
|
|
4644
|
|
4645 int TypeClass::isBaseOf(Type *t, int *poffset)
|
|
4646 {
|
|
4647 if (t->ty == Tclass)
|
|
4648 { ClassDeclaration *cd;
|
|
4649
|
|
4650 cd = ((TypeClass *)t)->sym;
|
|
4651 if (sym->isBaseOf(cd, poffset))
|
|
4652 return 1;
|
|
4653 }
|
|
4654 return 0;
|
|
4655 }
|
|
4656
|
|
4657 MATCH TypeClass::implicitConvTo(Type *to)
|
|
4658 {
|
|
4659 //printf("TypeClass::implicitConvTo('%s')\n", to->toChars());
|
|
4660 if (this == to)
|
|
4661 return MATCHexact;
|
|
4662
|
|
4663 ClassDeclaration *cdto = to->isClassHandle();
|
|
4664 if (cdto && cdto->isBaseOf(sym, NULL))
|
|
4665 { //printf("is base\n");
|
|
4666 return MATCHconvert;
|
|
4667 }
|
|
4668
|
|
4669 if (global.params.Dversion == 1)
|
|
4670 {
|
|
4671 // Allow conversion to (void *)
|
|
4672 if (to->ty == Tpointer && to->next->ty == Tvoid)
|
|
4673 return MATCHconvert;
|
|
4674 }
|
|
4675
|
|
4676 return MATCHnomatch;
|
|
4677 }
|
|
4678
|
|
4679 Expression *TypeClass::defaultInit()
|
|
4680 {
|
|
4681 #if LOGDEFAULTINIT
|
|
4682 printf("TypeClass::defaultInit() '%s'\n", toChars());
|
|
4683 #endif
|
|
4684 Expression *e;
|
|
4685 e = new NullExp(0);
|
|
4686 e->type = this;
|
|
4687 return e;
|
|
4688 }
|
|
4689
|
|
4690 int TypeClass::isZeroInit()
|
|
4691 {
|
|
4692 return 1;
|
|
4693 }
|
|
4694
|
|
4695 int TypeClass::checkBoolean()
|
|
4696 {
|
|
4697 return TRUE;
|
|
4698 }
|
|
4699
|
|
4700 int TypeClass::hasPointers()
|
|
4701 {
|
|
4702 return TRUE;
|
|
4703 }
|
|
4704
|
|
4705 /***************************** TypeTuple *****************************/
|
|
4706
|
|
4707 TypeTuple::TypeTuple(Arguments *arguments)
|
|
4708 : Type(Ttuple, NULL)
|
|
4709 {
|
|
4710 //printf("TypeTuple(this = %p)\n", this);
|
|
4711 this->arguments = arguments;
|
|
4712 #ifdef DEBUG
|
|
4713 if (arguments)
|
|
4714 {
|
|
4715 for (size_t i = 0; i < arguments->dim; i++)
|
|
4716 {
|
|
4717 Argument *arg = (Argument *)arguments->data[i];
|
|
4718 assert(arg && arg->type);
|
|
4719 }
|
|
4720 }
|
|
4721 #endif
|
|
4722 }
|
|
4723
|
|
4724 /****************
|
|
4725 * Form TypeTuple from the types of the expressions.
|
|
4726 * Assume exps[] is already tuple expanded.
|
|
4727 */
|
|
4728
|
|
4729 TypeTuple::TypeTuple(Expressions *exps)
|
|
4730 : Type(Ttuple, NULL)
|
|
4731 {
|
|
4732 Arguments *arguments = new Arguments;
|
|
4733 if (exps)
|
|
4734 {
|
|
4735 arguments->setDim(exps->dim);
|
|
4736 for (size_t i = 0; i < exps->dim; i++)
|
|
4737 { Expression *e = (Expression *)exps->data[i];
|
|
4738 if (e->type->ty == Ttuple)
|
|
4739 e->error("cannot form tuple of tuples");
|
|
4740 Argument *arg = new Argument(STCin, e->type, NULL, NULL);
|
|
4741 arguments->data[i] = (void *)arg;
|
|
4742 }
|
|
4743 }
|
|
4744 this->arguments = arguments;
|
|
4745 }
|
|
4746
|
|
4747 Type *TypeTuple::syntaxCopy()
|
|
4748 {
|
|
4749 Arguments *args = Argument::arraySyntaxCopy(arguments);
|
|
4750 Type *t = new TypeTuple(args);
|
|
4751 return t;
|
|
4752 }
|
|
4753
|
|
4754 Type *TypeTuple::semantic(Loc loc, Scope *sc)
|
|
4755 {
|
|
4756 //printf("TypeTuple::semantic(this = %p)\n", this);
|
|
4757 if (!deco)
|
|
4758 deco = merge()->deco;
|
|
4759
|
|
4760 /* Don't return merge(), because a tuple with one type has the
|
|
4761 * same deco as that type.
|
|
4762 */
|
|
4763 return this;
|
|
4764 }
|
|
4765
|
|
4766 int TypeTuple::equals(Object *o)
|
|
4767 { Type *t;
|
|
4768
|
|
4769 t = (Type *)o;
|
|
4770 //printf("TypeTuple::equals(%s, %s)\n", toChars(), t->toChars());
|
|
4771 if (this == t)
|
|
4772 {
|
|
4773 return 1;
|
|
4774 }
|
|
4775 if (t->ty == Ttuple)
|
|
4776 { TypeTuple *tt = (TypeTuple *)t;
|
|
4777
|
|
4778 if (arguments->dim == tt->arguments->dim)
|
|
4779 {
|
|
4780 for (size_t i = 0; i < tt->arguments->dim; i++)
|
|
4781 { Argument *arg1 = (Argument *)arguments->data[i];
|
|
4782 Argument *arg2 = (Argument *)tt->arguments->data[i];
|
|
4783
|
|
4784 if (!arg1->type->equals(arg2->type))
|
|
4785 return 0;
|
|
4786 }
|
|
4787 return 1;
|
|
4788 }
|
|
4789 }
|
|
4790 return 0;
|
|
4791 }
|
|
4792
|
|
4793 Type *TypeTuple::reliesOnTident()
|
|
4794 {
|
|
4795 if (arguments)
|
|
4796 {
|
|
4797 for (size_t i = 0; i < arguments->dim; i++)
|
|
4798 {
|
|
4799 Argument *arg = (Argument *)arguments->data[i];
|
|
4800 Type *t = arg->type->reliesOnTident();
|
|
4801 if (t)
|
|
4802 return t;
|
|
4803 }
|
|
4804 }
|
|
4805 return NULL;
|
|
4806 }
|
|
4807
|
|
4808 void TypeTuple::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
4809 {
|
|
4810 OutBuffer buf2;
|
|
4811 Argument::argsToCBuffer(&buf2, hgs, arguments, 0);
|
|
4812 buf->prependstring(buf2.toChars());
|
|
4813 if (ident)
|
|
4814 { buf->writeByte(' ');
|
|
4815 buf->writestring(ident->toChars());
|
|
4816 }
|
|
4817 }
|
|
4818
|
|
4819 void TypeTuple::toDecoBuffer(OutBuffer *buf)
|
|
4820 {
|
|
4821 //printf("TypeTuple::toDecoBuffer() this = %p\n", this);
|
|
4822 OutBuffer buf2;
|
|
4823 Argument::argsToDecoBuffer(&buf2, arguments);
|
|
4824 unsigned len = buf2.offset;
|
|
4825 buf->printf("%c%d%.*s", mangleChar[ty], len, len, (char *)buf2.extractData());
|
|
4826 }
|
|
4827
|
|
4828 Expression *TypeTuple::getProperty(Loc loc, Identifier *ident)
|
|
4829 { Expression *e;
|
|
4830
|
|
4831 #if LOGDOTEXP
|
|
4832 printf("TypeTuple::getProperty(type = '%s', ident = '%s')\n", toChars(), ident->toChars());
|
|
4833 #endif
|
|
4834 if (ident == Id::length)
|
|
4835 {
|
|
4836 e = new IntegerExp(loc, arguments->dim, Type::tsize_t);
|
|
4837 }
|
|
4838 else
|
|
4839 {
|
|
4840 error(loc, "no property '%s' for tuple '%s'", ident->toChars(), toChars());
|
|
4841 e = new IntegerExp(loc, 1, Type::tint32);
|
|
4842 }
|
|
4843 return e;
|
|
4844 }
|
|
4845
|
|
4846 /***************************** TypeSlice *****************************/
|
|
4847
|
|
4848 /* This is so we can slice a TypeTuple */
|
|
4849
|
|
4850 TypeSlice::TypeSlice(Type *next, Expression *lwr, Expression *upr)
|
|
4851 : Type(Tslice, next)
|
|
4852 {
|
|
4853 //printf("TypeSlice[%s .. %s]\n", lwr->toChars(), upr->toChars());
|
|
4854 this->lwr = lwr;
|
|
4855 this->upr = upr;
|
|
4856 }
|
|
4857
|
|
4858 Type *TypeSlice::syntaxCopy()
|
|
4859 {
|
|
4860 Type *t = new TypeSlice(next->syntaxCopy(), lwr->syntaxCopy(), upr->syntaxCopy());
|
|
4861 return t;
|
|
4862 }
|
|
4863
|
|
4864 Type *TypeSlice::semantic(Loc loc, Scope *sc)
|
|
4865 {
|
|
4866 //printf("TypeSlice::semantic() %s\n", toChars());
|
|
4867 next = next->semantic(loc, sc);
|
|
4868 //printf("next: %s\n", next->toChars());
|
|
4869
|
|
4870 Type *tbn = next->toBasetype();
|
|
4871 if (tbn->ty != Ttuple)
|
|
4872 { error(loc, "can only slice tuple types, not %s", tbn->toChars());
|
|
4873 return Type::terror;
|
|
4874 }
|
|
4875 TypeTuple *tt = (TypeTuple *)tbn;
|
|
4876
|
|
4877 lwr = semanticLength(sc, tbn, lwr);
|
|
4878 lwr = lwr->optimize(WANTvalue);
|
|
4879 uinteger_t i1 = lwr->toUInteger();
|
|
4880
|
|
4881 upr = semanticLength(sc, tbn, upr);
|
|
4882 upr = upr->optimize(WANTvalue);
|
|
4883 uinteger_t i2 = upr->toUInteger();
|
|
4884
|
|
4885 if (!(i1 <= i2 && i2 <= tt->arguments->dim))
|
|
4886 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, tt->arguments->dim);
|
|
4887 return Type::terror;
|
|
4888 }
|
|
4889
|
|
4890 Arguments *args = new Arguments;
|
|
4891 args->reserve(i2 - i1);
|
|
4892 for (size_t i = i1; i < i2; i++)
|
|
4893 { Argument *arg = (Argument *)tt->arguments->data[i];
|
|
4894 args->push(arg);
|
|
4895 }
|
|
4896
|
|
4897 return new TypeTuple(args);
|
|
4898 }
|
|
4899
|
|
4900 void TypeSlice::resolve(Loc loc, Scope *sc, Expression **pe, Type **pt, Dsymbol **ps)
|
|
4901 {
|
|
4902 next->resolve(loc, sc, pe, pt, ps);
|
|
4903 if (*pe)
|
|
4904 { // It's really a slice expression
|
|
4905 Expression *e;
|
|
4906 e = new SliceExp(loc, *pe, lwr, upr);
|
|
4907 *pe = e;
|
|
4908 }
|
|
4909 else if (*ps)
|
|
4910 { Dsymbol *s = *ps;
|
|
4911 TupleDeclaration *td = s->isTupleDeclaration();
|
|
4912 if (td)
|
|
4913 {
|
|
4914 /* It's a slice of a TupleDeclaration
|
|
4915 */
|
|
4916 ScopeDsymbol *sym = new ArrayScopeSymbol(td);
|
|
4917 sym->parent = sc->scopesym;
|
|
4918 sc = sc->push(sym);
|
|
4919
|
|
4920 lwr = lwr->semantic(sc);
|
|
4921 lwr = lwr->optimize(WANTvalue);
|
|
4922 uinteger_t i1 = lwr->toUInteger();
|
|
4923
|
|
4924 upr = upr->semantic(sc);
|
|
4925 upr = upr->optimize(WANTvalue);
|
|
4926 uinteger_t i2 = upr->toUInteger();
|
|
4927
|
|
4928 sc = sc->pop();
|
|
4929
|
|
4930 if (!(i1 <= i2 && i2 <= td->objects->dim))
|
|
4931 { error(loc, "slice [%ju..%ju] is out of range of [0..%u]", i1, i2, td->objects->dim);
|
|
4932 goto Ldefault;
|
|
4933 }
|
|
4934
|
|
4935 if (i1 == 0 && i2 == td->objects->dim)
|
|
4936 {
|
|
4937 *ps = td;
|
|
4938 return;
|
|
4939 }
|
|
4940
|
|
4941 /* Create a new TupleDeclaration which
|
|
4942 * is a slice [i1..i2] out of the old one.
|
|
4943 */
|
|
4944 Objects *objects = new Objects;
|
|
4945 objects->setDim(i2 - i1);
|
|
4946 for (size_t i = 0; i < objects->dim; i++)
|
|
4947 {
|
|
4948 objects->data[i] = td->objects->data[(size_t)i1 + i];
|
|
4949 }
|
|
4950
|
|
4951 TupleDeclaration *tds = new TupleDeclaration(loc, td->ident, objects);
|
|
4952 *ps = tds;
|
|
4953 }
|
|
4954 else
|
|
4955 goto Ldefault;
|
|
4956 }
|
|
4957 else
|
|
4958 {
|
|
4959 Ldefault:
|
|
4960 Type::resolve(loc, sc, pe, pt, ps);
|
|
4961 }
|
|
4962 }
|
|
4963
|
|
4964 void TypeSlice::toCBuffer2(OutBuffer *buf, Identifier *ident, HdrGenState *hgs)
|
|
4965 {
|
|
4966 OutBuffer buf2;
|
|
4967
|
|
4968 buf2.printf("[%s .. ", lwr->toChars());
|
|
4969 buf2.printf("%s]", upr->toChars());
|
|
4970
|
|
4971 buf->prependstring(buf2.toChars());
|
|
4972 if (ident)
|
|
4973 {
|
|
4974 buf->writeByte(' ');
|
|
4975 buf->writestring(ident->toChars());
|
|
4976 }
|
|
4977 next->toCBuffer2(buf, NULL, hgs);
|
|
4978 }
|
|
4979
|
|
4980 /***************************** Argument *****************************/
|
|
4981
|
|
4982 Argument::Argument(unsigned storageClass, Type *type, Identifier *ident, Expression *defaultArg)
|
|
4983 {
|
|
4984 this->type = type;
|
|
4985 this->ident = ident;
|
|
4986 this->storageClass = storageClass;
|
|
4987 this->defaultArg = defaultArg;
|
|
4988 this->llvmCopy = false;
|
|
4989 this->vardecl = 0;
|
|
4990 }
|
|
4991
|
|
4992 Argument *Argument::syntaxCopy()
|
|
4993 {
|
|
4994 Argument *a = new Argument(storageClass,
|
|
4995 type ? type->syntaxCopy() : NULL,
|
|
4996 ident,
|
|
4997 defaultArg ? defaultArg->syntaxCopy() : NULL);
|
|
4998 return a;
|
|
4999 }
|
|
5000
|
|
5001 Arguments *Argument::arraySyntaxCopy(Arguments *args)
|
|
5002 { Arguments *a = NULL;
|
|
5003
|
|
5004 if (args)
|
|
5005 {
|
|
5006 a = new Arguments();
|
|
5007 a->setDim(args->dim);
|
|
5008 for (size_t i = 0; i < a->dim; i++)
|
|
5009 { Argument *arg = (Argument *)args->data[i];
|
|
5010
|
|
5011 arg = arg->syntaxCopy();
|
|
5012 a->data[i] = (void *)arg;
|
|
5013 }
|
|
5014 }
|
|
5015 return a;
|
|
5016 }
|
|
5017
|
|
5018 char *Argument::argsTypesToChars(Arguments *args, int varargs)
|
|
5019 { OutBuffer *buf;
|
|
5020
|
|
5021 buf = new OutBuffer();
|
|
5022
|
|
5023 buf->writeByte('(');
|
|
5024 if (args)
|
|
5025 { int i;
|
|
5026 OutBuffer argbuf;
|
|
5027 HdrGenState hgs;
|
|
5028
|
|
5029 for (i = 0; i < args->dim; i++)
|
|
5030 { Argument *arg;
|
|
5031
|
|
5032 if (i)
|
|
5033 buf->writeByte(',');
|
|
5034 arg = (Argument *)args->data[i];
|
|
5035 argbuf.reset();
|
|
5036 arg->type->toCBuffer2(&argbuf, NULL, &hgs);
|
|
5037 buf->write(&argbuf);
|
|
5038 }
|
|
5039 if (varargs)
|
|
5040 {
|
|
5041 if (i && varargs == 1)
|
|
5042 buf->writeByte(',');
|
|
5043 buf->writestring("...");
|
|
5044 }
|
|
5045 }
|
|
5046 buf->writeByte(')');
|
|
5047
|
|
5048 return buf->toChars();
|
|
5049 }
|
|
5050
|
|
5051 void Argument::argsToCBuffer(OutBuffer *buf, HdrGenState *hgs, Arguments *arguments, int varargs)
|
|
5052 {
|
|
5053 buf->writeByte('(');
|
|
5054 if (arguments)
|
|
5055 { int i;
|
|
5056 OutBuffer argbuf;
|
|
5057
|
|
5058 for (i = 0; i < arguments->dim; i++)
|
|
5059 { Argument *arg;
|
|
5060
|
|
5061 if (i)
|
|
5062 buf->writestring(", ");
|
|
5063 arg = (Argument *)arguments->data[i];
|
|
5064 if (arg->storageClass & STCout)
|
|
5065 buf->writestring("out ");
|
|
5066 else if (arg->storageClass & STCref)
|
|
5067 buf->writestring((global.params.Dversion == 1)
|
|
5068 ? (char *)"inout " : (char *)"ref ");
|
|
5069 else if (arg->storageClass & STClazy)
|
|
5070 buf->writestring("lazy ");
|
|
5071 argbuf.reset();
|
|
5072 arg->type->toCBuffer2(&argbuf, arg->ident, hgs);
|
|
5073 if (arg->defaultArg)
|
|
5074 {
|
|
5075 argbuf.writestring(" = ");
|
|
5076 arg->defaultArg->toCBuffer(&argbuf, hgs);
|
|
5077 }
|
|
5078 buf->write(&argbuf);
|
|
5079 }
|
|
5080 if (varargs)
|
|
5081 {
|
|
5082 if (i && varargs == 1)
|
|
5083 buf->writeByte(',');
|
|
5084 buf->writestring("...");
|
|
5085 }
|
|
5086 }
|
|
5087 buf->writeByte(')');
|
|
5088 }
|
|
5089
|
|
5090
|
|
5091 void Argument::argsToDecoBuffer(OutBuffer *buf, Arguments *arguments)
|
|
5092 {
|
|
5093 //printf("Argument::argsToDecoBuffer()\n");
|
|
5094
|
|
5095 // Write argument types
|
|
5096 if (arguments)
|
|
5097 {
|
|
5098 size_t dim = Argument::dim(arguments);
|
|
5099 for (size_t i = 0; i < dim; i++)
|
|
5100 {
|
|
5101 Argument *arg = Argument::getNth(arguments, i);
|
|
5102 arg->toDecoBuffer(buf);
|
|
5103 }
|
|
5104 }
|
|
5105 }
|
|
5106
|
|
5107 /****************************************************
|
|
5108 * Determine if parameter is a lazy array of delegates.
|
|
5109 * If so, return the return type of those delegates.
|
|
5110 * If not, return NULL.
|
|
5111 */
|
|
5112
|
|
5113 Type *Argument::isLazyArray()
|
|
5114 {
|
|
5115 // if (inout == Lazy)
|
|
5116 {
|
|
5117 Type *tb = type->toBasetype();
|
|
5118 if (tb->ty == Tsarray || tb->ty == Tarray)
|
|
5119 {
|
|
5120 Type *tel = tb->next->toBasetype();
|
|
5121 if (tel->ty == Tdelegate)
|
|
5122 {
|
|
5123 TypeDelegate *td = (TypeDelegate *)tel;
|
|
5124 TypeFunction *tf = (TypeFunction *)td->next;
|
|
5125
|
|
5126 if (!tf->varargs && Argument::dim(tf->parameters) == 0)
|
|
5127 {
|
|
5128 return tf->next; // return type of delegate
|
|
5129 }
|
|
5130 }
|
|
5131 }
|
|
5132 }
|
|
5133 return NULL;
|
|
5134 }
|
|
5135
|
|
5136 void Argument::toDecoBuffer(OutBuffer *buf)
|
|
5137 {
|
|
5138 switch (storageClass & (STCin | STCout | STCref | STClazy))
|
|
5139 { case 0:
|
|
5140 case STCin:
|
|
5141 break;
|
|
5142 case STCout:
|
|
5143 buf->writeByte('J');
|
|
5144 break;
|
|
5145 case STCref:
|
|
5146 buf->writeByte('K');
|
|
5147 break;
|
|
5148 case STClazy:
|
|
5149 buf->writeByte('L');
|
|
5150 break;
|
|
5151 default:
|
|
5152 #ifdef DEBUG
|
|
5153 halt();
|
|
5154 #endif
|
|
5155 assert(0);
|
|
5156 }
|
|
5157 type->toDecoBuffer(buf);
|
|
5158 }
|
|
5159
|
|
5160 /***************************************
|
|
5161 * Determine number of arguments, folding in tuples.
|
|
5162 */
|
|
5163
|
|
5164 size_t Argument::dim(Arguments *args)
|
|
5165 {
|
|
5166 size_t n = 0;
|
|
5167 if (args)
|
|
5168 {
|
|
5169 for (size_t i = 0; i < args->dim; i++)
|
|
5170 { Argument *arg = (Argument *)args->data[i];
|
|
5171 Type *t = arg->type->toBasetype();
|
|
5172
|
|
5173 if (t->ty == Ttuple)
|
|
5174 { TypeTuple *tu = (TypeTuple *)t;
|
|
5175 n += dim(tu->arguments);
|
|
5176 }
|
|
5177 else
|
|
5178 n++;
|
|
5179 }
|
|
5180 }
|
|
5181 return n;
|
|
5182 }
|
|
5183
|
|
5184 /***************************************
|
|
5185 * Get nth Argument, folding in tuples.
|
|
5186 * Returns:
|
|
5187 * Argument* nth Argument
|
|
5188 * NULL not found, *pn gets incremented by the number
|
|
5189 * of Arguments
|
|
5190 */
|
|
5191
|
|
5192 Argument *Argument::getNth(Arguments *args, size_t nth, size_t *pn)
|
|
5193 {
|
|
5194 if (!args)
|
|
5195 return NULL;
|
|
5196
|
|
5197 size_t n = 0;
|
|
5198 for (size_t i = 0; i < args->dim; i++)
|
|
5199 { Argument *arg = (Argument *)args->data[i];
|
|
5200 Type *t = arg->type->toBasetype();
|
|
5201
|
|
5202 if (t->ty == Ttuple)
|
|
5203 { TypeTuple *tu = (TypeTuple *)t;
|
|
5204 arg = getNth(tu->arguments, nth - n, &n);
|
|
5205 if (arg)
|
|
5206 return arg;
|
|
5207 }
|
|
5208 else if (n == nth)
|
|
5209 return arg;
|
|
5210 else
|
|
5211 n++;
|
|
5212 }
|
|
5213
|
|
5214 if (pn)
|
|
5215 *pn += n;
|
|
5216 return NULL;
|
|
5217 }
|