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annotate dmd2/version.c @ 1138:4c8bb03e4fbc

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Update DtoConstFP() to be correct after LLVM r67562, which changed the way the APFloat constructor expects its i80 APInts to be formatted. (They're now actually consistent with the x87 format)
author Frits van Bommel <fvbommel wxs.nl>
date Tue, 24 Mar 2009 15:24:59 +0100
parents f04dde6e882c
children
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rev   line source
758
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1
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2 // Copyright (c) 1999-2005 by Digital Mars
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3 // All Rights Reserved
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4 // written by Walter Bright
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5 // http://www.digitalmars.com
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6 // License for redistribution is by either the Artistic License
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7 // in artistic.txt, or the GNU General Public License in gnu.txt.
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8 // See the included readme.txt for details.
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9
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10 #include <stdio.h>
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11 #include <assert.h>
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12
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13 #include "root.h"
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14
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15 #include "identifier.h"
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16 #include "dsymbol.h"
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17 #include "cond.h"
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18 #include "version.h"
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19 #include "module.h"
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20
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21 /* ================================================== */
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22
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23 /* DebugSymbol's happen for statements like:
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24 * debug = identifier;
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25 * debug = integer;
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26 */
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27
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28 DebugSymbol::DebugSymbol(Loc loc, Identifier *ident)
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29 : Dsymbol(ident)
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30 {
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31 this->loc = loc;
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32 }
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33
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34 DebugSymbol::DebugSymbol(Loc loc, unsigned level)
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35 : Dsymbol()
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36 {
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37 this->level = level;
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38 this->loc = loc;
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39 }
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40
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41 Dsymbol *DebugSymbol::syntaxCopy(Dsymbol *s)
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42 {
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43 assert(!s);
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44 DebugSymbol *ds = new DebugSymbol(loc, ident);
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45 ds->level = level;
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46 return ds;
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47 }
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48
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49 int DebugSymbol::addMember(Scope *sc, ScopeDsymbol *sd, int memnum)
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50 {
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51 //printf("DebugSymbol::addMember('%s') %s\n", sd->toChars(), toChars());
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52 Module *m;
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53
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54 // Do not add the member to the symbol table,
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55 // just make sure subsequent debug declarations work.
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56 m = sd->isModule();
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57 if (ident)
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58 {
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59 if (!m)
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60 error("declaration must be at module level");
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61 else
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62 {
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63 if (findCondition(m->debugidsNot, ident))
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64 error("defined after use");
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65 if (!m->debugids)
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66 m->debugids = new Array();
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67 m->debugids->push(ident->toChars());
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68 }
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69 }
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70 else
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71 {
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72 if (!m)
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73 error("level declaration must be at module level");
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74 else
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75 m->debuglevel = level;
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76 }
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77 return 0;
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78 }
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79
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80 void DebugSymbol::semantic(Scope *sc)
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81 {
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82 //printf("DebugSymbol::semantic() %s\n", toChars());
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83 }
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84
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85 void DebugSymbol::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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86 {
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87 buf->writestring("debug = ");
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88 if (ident)
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89 buf->writestring(ident->toChars());
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90 else
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91 buf->printf("%u", level);
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92 buf->writestring(";");
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93 buf->writenl();
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94 }
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95
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96 const char *DebugSymbol::kind()
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97 {
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98 return "debug";
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99 }
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100
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101 /* ================================================== */
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102
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103 /* VersionSymbol's happen for statements like:
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104 * version = identifier;
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105 * version = integer;
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106 */
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107
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108 VersionSymbol::VersionSymbol(Loc loc, Identifier *ident)
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109 : Dsymbol(ident)
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110 {
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111 this->loc = loc;
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112 }
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113
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114 VersionSymbol::VersionSymbol(Loc loc, unsigned level)
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115 : Dsymbol()
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116 {
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117 this->level = level;
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118 this->loc = loc;
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119 }
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120
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121 Dsymbol *VersionSymbol::syntaxCopy(Dsymbol *s)
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122 {
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123 assert(!s);
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124 VersionSymbol *ds = new VersionSymbol(loc, ident);
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125 ds->level = level;
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126 return ds;
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127 }
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128
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129 int VersionSymbol::addMember(Scope *sc, ScopeDsymbol *sd, int memnum)
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130 {
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131 //printf("VersionSymbol::addMember('%s') %s\n", sd->toChars(), toChars());
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132 Module *m;
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133
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134 // Do not add the member to the symbol table,
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135 // just make sure subsequent debug declarations work.
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136 m = sd->isModule();
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137 if (ident)
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138 {
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139 VersionCondition::checkPredefined(loc, ident->toChars());
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140 if (!m)
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141 error("declaration must be at module level");
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142 else
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143 {
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144 if (findCondition(m->versionidsNot, ident))
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145 error("defined after use");
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146 if (!m->versionids)
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147 m->versionids = new Array();
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148 m->versionids->push(ident->toChars());
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149 }
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150 }
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151 else
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152 {
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153 if (!m)
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154 error("level declaration must be at module level");
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155 else
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156 m->versionlevel = level;
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157 }
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158 return 0;
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159 }
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160
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161 void VersionSymbol::semantic(Scope *sc)
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162 {
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163 }
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164
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165 void VersionSymbol::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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166 {
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167 buf->writestring("version = ");
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168 if (ident)
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169 buf->writestring(ident->toChars());
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170 else
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171 buf->printf("%u", level);
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172 buf->writestring(";");
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173 buf->writenl();
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174 }
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175
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176 const char *VersionSymbol::kind()
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177 {
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178 return "version";
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179 }
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180
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181