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annotate dmd2/mangle.c @ 1083:c1e9f612e2e2

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Fix for dual operand form of fistp, also make reg ST(0) explicit and fix lindquists previous code that allowed dual operand form of fstp but dissallowed the single operand form accidently
author Kelly Wilson <wilsonk cpsc.ucalgary.ca>
date Tue, 10 Mar 2009 06:23:26 -0600
parents f04dde6e882c
children 638d16625da2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
758
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2007 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // http://www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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10
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11 #include <stdio.h>
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12 #include <string.h>
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13 #include <ctype.h>
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14 #include <assert.h>
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15
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16 #include "root.h"
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17
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18 #include "init.h"
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19 #include "declaration.h"
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20 #include "aggregate.h"
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21 #include "mtype.h"
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22 #include "attrib.h"
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23 #include "template.h"
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24 #include "id.h"
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25 #include "module.h"
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26
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27 #if TARGET_LINUX
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28 char *cpp_mangle(Dsymbol *s);
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29 #endif
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30
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31 char *mangle(Declaration *sthis)
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32 {
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33 OutBuffer buf;
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34 char *id;
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35 Dsymbol *s;
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36
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37 //printf("::mangle(%s)\n", sthis->toChars());
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38 s = sthis;
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39 do
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40 {
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41 //printf("mangle: s = %p, '%s', parent = %p\n", s, s->toChars(), s->parent);
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42 if (s->ident)
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43 {
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44 FuncDeclaration *fd = s->isFuncDeclaration();
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45 if (s != sthis && fd)
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46 {
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47 id = mangle(fd);
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48 buf.prependstring(id);
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49 goto L1;
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50 }
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51 else
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52 {
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53 id = s->ident->toChars();
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54 int len = strlen(id);
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55 char tmp[sizeof(len) * 3 + 1];
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56 buf.prependstring(id);
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57 sprintf(tmp, "%d", len);
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58 buf.prependstring(tmp);
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59 }
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60 }
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61 else
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62 buf.prependstring("0");
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63 s = s->parent;
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64 } while (s);
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65
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66 // buf.prependstring("_D");
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67 L1:
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68 //printf("deco = '%s'\n", sthis->type->deco ? sthis->type->deco : "null");
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69 //printf("sthis->type = %s\n", sthis->type->toChars());
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70 FuncDeclaration *fd = sthis->isFuncDeclaration();
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71 if (fd && (fd->needThis() || fd->isNested()))
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72 buf.writeByte(Type::needThisPrefix());
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73 if (sthis->type->deco)
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74 buf.writestring(sthis->type->deco);
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75 else
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76 { assert(fd->inferRetType);
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77 }
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78
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79 id = buf.toChars();
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80 buf.data = NULL;
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81 return id;
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82 }
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83
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84 char *Declaration::mangle()
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85 #if __DMC__
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86 __out(result)
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87 {
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88 int len = strlen(result);
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89
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90 assert(len > 0);
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91 //printf("mangle: '%s' => '%s'\n", toChars(), result);
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92 for (int i = 0; i < len; i++)
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93 {
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94 assert(result[i] == '_' ||
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95 result[i] == '@' ||
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96 isalnum(result[i]) || result[i] & 0x80);
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97 }
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98 }
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99 __body
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100 #endif
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101 {
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102 //printf("Declaration::mangle(this = %p, '%s', parent = '%s', linkage = %d)\n", this, toChars(), parent ? parent->toChars() : "null", linkage);
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103 if (!parent || parent->isModule() || linkage == LINKcpp) // if at global scope
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104 {
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105 // If it's not a D declaration, no mangling
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106 switch (linkage)
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107 {
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108 case LINKd:
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109 break;
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110
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111 // LDC
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112 case LINKintrinsic:
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113
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114 case LINKc:
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115 case LINKwindows:
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116 case LINKpascal:
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117 return ident->toChars();
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118
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119 case LINKcpp:
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120 #if TARGET_LINUX
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121 return cpp_mangle(this);
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122 #else
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123 // Windows C++ mangling is done by C++ back end
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124 return ident->toChars();
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125 #endif
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126
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127 case LINKdefault:
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128 error("forward declaration");
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129 return ident->toChars();
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130
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131 default:
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132 fprintf(stdmsg, "'%s', linkage = %d\n", toChars(), linkage);
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133 assert(0);
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134 }
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135 }
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136 char *p = ::mangle(this);
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137 OutBuffer buf;
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138 buf.writestring("_D");
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139 buf.writestring(p);
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140 p = buf.toChars();
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141 buf.data = NULL;
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142 //printf("Declaration::mangle(this = %p, '%s', parent = '%s', linkage = %d) = %s\n", this, toChars(), parent ? parent->toChars() : "null", linkage, p);
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143 return p;
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144 }
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145
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146 char *FuncDeclaration::mangle()
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147 #if __DMC__
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148 __out(result)
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149 {
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150 assert(strlen(result) > 0);
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151 }
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152 __body
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153 #endif
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154 {
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155 if (isMain())
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156 return (char *)"_Dmain";
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157
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158 if (isWinMain() || isDllMain())
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159 return ident->toChars();
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160
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diff changeset
161 assert(this);
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162 return Declaration::mangle();
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163 }
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164
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165
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166 char *StructDeclaration::mangle()
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167 {
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168 //printf("StructDeclaration::mangle() '%s'\n", toChars());
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169 return Dsymbol::mangle();
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170 }
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171
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172
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173 char *TypedefDeclaration::mangle()
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174 {
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175 //printf("TypedefDeclaration::mangle() '%s'\n", toChars());
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176 return Dsymbol::mangle();
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177 }
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178
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179
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180 char *ClassDeclaration::mangle()
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181 {
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182 Dsymbol *parentsave = parent;
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183
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184 //printf("ClassDeclaration::mangle() %s.%s\n", parent->toChars(), toChars());
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185
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186 /* These are reserved to the compiler, so keep simple
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187 * names for them.
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188 */
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189 if (ident == Id::Exception)
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190 { if (parent->ident == Id::object)
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191 parent = NULL;
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192 }
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193 else if (ident == Id::TypeInfo ||
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194 // ident == Id::Exception ||
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195 ident == Id::TypeInfo_Struct ||
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196 ident == Id::TypeInfo_Class ||
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197 ident == Id::TypeInfo_Typedef ||
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198 ident == Id::TypeInfo_Tuple ||
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199 this == object ||
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200 this == classinfo ||
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diff changeset
201 this == Module::moduleinfo ||
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diff changeset
202 memcmp(ident->toChars(), "TypeInfo_", 9) == 0
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203 )
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204 parent = NULL;
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205
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206 char *id = Dsymbol::mangle();
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diff changeset
207 parent = parentsave;
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208 return id;
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209 }
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210
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211
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diff changeset
212 char *TemplateInstance::mangle()
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213 {
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diff changeset
214 OutBuffer buf;
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diff changeset
215 char *id;
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216
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diff changeset
217 #if 0
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218 printf("TemplateInstance::mangle() %s", toChars());
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219 if (parent)
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diff changeset
220 printf(" parent = %s %s", parent->kind(), parent->toChars());
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diff changeset
221 printf("\n");
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diff changeset
222 #endif
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diff changeset
223 id = ident ? ident->toChars() : toChars();
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diff changeset
224 if (tempdecl->parent)
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225 {
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diff changeset
226 char *p = tempdecl->parent->mangle();
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diff changeset
227 if (p[0] == '_' && p[1] == 'D')
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diff changeset
228 p += 2;
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diff changeset
229 buf.writestring(p);
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230 }
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diff changeset
231 buf.printf("%"PRIuSIZE"%s", strlen(id), id);
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diff changeset
232 id = buf.toChars();
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233 buf.data = NULL;
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234 //printf("TemplateInstance::mangle() %s = %s\n", toChars(), id);
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235 return id;
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236 }
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237
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238
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239 char *TemplateMixin::mangle()
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240 {
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241 OutBuffer buf;
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242 char *id;
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243
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244 #if 0
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245 printf("TemplateMixin::mangle() %s", toChars());
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246 if (parent)
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247 printf(" parent = %s %s", parent->kind(), parent->toChars());
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248 printf("\n");
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249 #endif
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250 id = ident ? ident->toChars() : toChars();
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251 if (parent)
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252 {
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253 char *p = parent->mangle();
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254 if (p[0] == '_' && p[1] == 'D')
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255 p += 2;
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256 buf.writestring(p);
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257 }
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258 buf.printf("%"PRIuSIZE"%s", strlen(id), id);
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259 id = buf.toChars();
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260 buf.data = NULL;
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261 //printf("TemplateMixin::mangle() %s = %s\n", toChars(), id);
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262 return id;
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263 }
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264
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265 char *Dsymbol::mangle()
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266 {
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267 OutBuffer buf;
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268 char *id;
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269
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270 #if 0
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271 printf("Dsymbol::mangle() '%s'", toChars());
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272 if (parent)
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273 printf(" parent = %s %s", parent->kind(), parent->toChars());
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274 printf("\n");
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275 #endif
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276 id = ident ? ident->toChars() : toChars();
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277 if (parent)
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278 {
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279 char *p = parent->mangle();
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280 if (p[0] == '_' && p[1] == 'D')
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281 p += 2;
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282 buf.writestring(p);
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283 }
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284 buf.printf("%"PRIuSIZE"%s", strlen(id), id);
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285 id = buf.toChars();
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286 buf.data = NULL;
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287 //printf("Dsymbol::mangle() %s = %s\n", toChars(), id);
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288 return id;
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289 }
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290
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291