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annotate dmd2/cond.c @ 1651:cb960b882ca3 default tip

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bindings were moved to dsource.org/projects/bindings/
author Moritz Warning <moritzwarning@web.de>
date Thu, 20 May 2010 20:05:03 +0200
parents 54b3c1394d62
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1452
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2008 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // http://www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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10
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11 #include <stdio.h>
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12 #include <assert.h>
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13
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14 #include "id.h"
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15 #include "init.h"
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16 #include "declaration.h"
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17 #include "identifier.h"
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18 #include "expression.h"
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19 #include "cond.h"
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20 #include "module.h"
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21 #include "template.h"
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22 #include "lexer.h"
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23 #ifdef _DH
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24 #include "mtype.h"
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25 #include "scope.h"
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26 #endif
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27
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28 int findCondition(Array *ids, Identifier *ident)
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29 {
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30 if (ids)
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31 {
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32 for (int i = 0; i < ids->dim; i++)
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33 {
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34 const char *id = (const char *)ids->data[i];
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35
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36 if (strcmp(id, ident->toChars()) == 0)
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37 return TRUE;
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38 }
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39 }
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40
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41 return FALSE;
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42 }
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43
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44 /* ============================================================ */
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45
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46 Condition::Condition(Loc loc)
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47 {
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48 this->loc = loc;
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49 inc = 0;
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50 }
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51
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52 /* ============================================================ */
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53
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54 DVCondition::DVCondition(Module *mod, unsigned level, Identifier *ident)
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55 : Condition(0)
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56 {
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57 this->mod = mod;
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58 this->level = level;
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59 this->ident = ident;
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60 }
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61
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62 Condition *DVCondition::syntaxCopy()
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63 {
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64 return this; // don't need to copy
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65 }
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66
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67 /* ============================================================ */
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68
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69 void DebugCondition::setGlobalLevel(unsigned level)
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70 {
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71 global.params.debuglevel = level;
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72 }
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73
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74 void DebugCondition::addGlobalIdent(const char *ident)
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75 {
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76 if (!global.params.debugids)
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77 global.params.debugids = new Array();
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78 global.params.debugids->push((void *)ident);
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79 }
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80
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81
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82 DebugCondition::DebugCondition(Module *mod, unsigned level, Identifier *ident)
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83 : DVCondition(mod, level, ident)
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84 {
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85 }
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86
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87 int DebugCondition::include(Scope *sc, ScopeDsymbol *s)
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88 {
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89 //printf("DebugCondition::include() level = %d, debuglevel = %d\n", level, global.params.debuglevel);
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90 if (inc == 0)
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91 {
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92 inc = 2;
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93 if (ident)
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94 {
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95 if (findCondition(mod->debugids, ident))
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96 inc = 1;
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97 else if (findCondition(global.params.debugids, ident))
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98 inc = 1;
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99 else
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100 { if (!mod->debugidsNot)
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101 mod->debugidsNot = new Array();
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102 mod->debugidsNot->push(ident->toChars());
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103 }
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104 }
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105 else if (level <= global.params.debuglevel || level <= mod->debuglevel)
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106 inc = 1;
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107 }
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108 return (inc == 1);
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109 }
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110
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111 void DebugCondition::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
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112 {
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113 if (ident)
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114 buf->printf("debug (%s)", ident->toChars());
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115 else
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116 buf->printf("debug (%u)", level);
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117 }
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118
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119 /* ============================================================ */
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120
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121 void VersionCondition::setGlobalLevel(unsigned level)
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122 {
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123 global.params.versionlevel = level;
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124 }
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125
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126 void VersionCondition::checkPredefined(Loc loc, const char *ident)
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127 {
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128 static const char* reserved[] =
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129 {
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130 "DigitalMars", "X86", "X86_64",
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131 "Windows", "Win32", "Win64",
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132 "linux",
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133 #if DMDV2
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134 /* Although Posix is predefined by D1, disallowing its
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135 * redefinition breaks makefiles and older builds.
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136 */
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137 "Posix",
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138 "D_NET",
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139 #endif
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140 "OSX", "FreeBSD",
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141 "Solaris",
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142 "LittleEndian", "BigEndian",
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143 "all",
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144 "none",
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145
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146 #if IN_LLVM
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147 "LLVM", "LDC", "LLVM64",
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148 "PPC", "PPC64",
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149 "darwin","solaris","freebsd"
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150 #endif
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151 };
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diff changeset
152
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
153 for (unsigned i = 0; i < sizeof(reserved) / sizeof(reserved[0]); i++)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
154 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
155 if (strcmp(ident, reserved[i]) == 0)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
156 goto Lerror;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
157 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
158
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
159 if (ident[0] == 'D' && ident[1] == '_')
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
160 goto Lerror;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
161
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
162 return;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
163
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
164 Lerror:
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
165 error(loc, "version identifier '%s' is reserved and cannot be set", ident);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
166 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
167
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
168 void VersionCondition::addGlobalIdent(const char *ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
169 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
170 checkPredefined(0, ident);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
171 addPredefinedGlobalIdent(ident);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
172 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
173
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
174 void VersionCondition::addPredefinedGlobalIdent(const char *ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
175 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
176 if (!global.params.versionids)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
177 global.params.versionids = new Array();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
178 global.params.versionids->push((void *)ident);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
179 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
180
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
181
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
182 VersionCondition::VersionCondition(Module *mod, unsigned level, Identifier *ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
183 : DVCondition(mod, level, ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
184 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
185 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
186
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
187 int VersionCondition::include(Scope *sc, ScopeDsymbol *s)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
188 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
189 //printf("VersionCondition::include() level = %d, versionlevel = %d\n", level, global.params.versionlevel);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
190 //if (ident) printf("\tident = '%s'\n", ident->toChars());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
191 if (inc == 0)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
192 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
193 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
194 if (ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
195 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
196 if (findCondition(mod->versionids, ident))
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
197 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
198 else if (findCondition(global.params.versionids, ident))
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
199 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
200 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
201 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
202 if (!mod->versionidsNot)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
203 mod->versionidsNot = new Array();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
204 mod->versionidsNot->push(ident->toChars());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
205 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
206 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
207 else if (level <= global.params.versionlevel || level <= mod->versionlevel)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
208 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
209 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
210 return (inc == 1);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
211 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
212
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
213 void VersionCondition::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
214 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
215 if (ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
216 buf->printf("version (%s)", ident->toChars());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
217 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
218 buf->printf("version (%u)", level);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
219 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
220
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
221
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
222 /**************************** StaticIfCondition *******************************/
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
223
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
224 StaticIfCondition::StaticIfCondition(Loc loc, Expression *exp)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
225 : Condition(loc)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
226 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
227 this->exp = exp;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
228 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
229
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
230 Condition *StaticIfCondition::syntaxCopy()
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
231 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
232 return new StaticIfCondition(loc, exp->syntaxCopy());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
233 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
234
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
235 int StaticIfCondition::include(Scope *sc, ScopeDsymbol *s)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
236 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
237 #if 0
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
238 printf("StaticIfCondition::include(sc = %p, s = %p)\n", sc, s);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
239 if (s)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
240 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
241 printf("\ts = '%s', kind = %s\n", s->toChars(), s->kind());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
242 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
243 #endif
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
244 if (inc == 0)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
245 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
246 if (!sc)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
247 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
248 error(loc, "static if conditional cannot be at global scope");
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
249 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
250 return 0;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
251 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
252
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
253 sc = sc->push(sc->scopesym);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
254 sc->sd = s; // s gets any addMember()
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
255 sc->flags |= SCOPEstaticif;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
256 Expression *e = exp->semantic(sc);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
257 sc->pop();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
258 e = e->optimize(WANTvalue | WANTinterpret);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
259 if (e->isBool(TRUE))
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
260 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
261 else if (e->isBool(FALSE))
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
262 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
263 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
264 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
265 e->error("expression %s is not constant or does not evaluate to a bool", e->toChars());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
266 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
267 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
268 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
269 return (inc == 1);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
270 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
271
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
272 void StaticIfCondition::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
273 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
274 buf->writestring("static if(");
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
275 exp->toCBuffer(buf, hgs);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
276 buf->writeByte(')');
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
277 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
278
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
279
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
280 /**************************** IftypeCondition *******************************/
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
281
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
282 IftypeCondition::IftypeCondition(Loc loc, Type *targ, Identifier *id, enum TOK tok, Type *tspec)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
283 : Condition(loc)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
284 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
285 this->targ = targ;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
286 this->id = id;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
287 this->tok = tok;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
288 this->tspec = tspec;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
289 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
290
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
291 Condition *IftypeCondition::syntaxCopy()
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
292 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
293 return new IftypeCondition(loc,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
294 targ->syntaxCopy(),
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
295 id,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
296 tok,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
297 tspec ? tspec->syntaxCopy() : NULL);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
298 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
299
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
300 int IftypeCondition::include(Scope *sc, ScopeDsymbol *sd)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
301 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
302 //printf("IftypeCondition::include()\n");
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
303 if (inc == 0)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
304 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
305 if (!sc)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
306 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
307 error(loc, "iftype conditional cannot be at global scope");
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
308 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
309 return 0;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
310 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
311 Type *t = targ->trySemantic(loc, sc);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
312 if (t)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
313 targ = t;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
314 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
315 inc = 2; // condition is false
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
316
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
317 if (!t)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
318 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
319 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
320 else if (id && tspec)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
321 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
322 /* Evaluate to TRUE if targ matches tspec.
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
323 * If TRUE, declare id as an alias for the specialized type.
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
324 */
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
325
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
326 MATCH m;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
327 TemplateTypeParameter tp(loc, id, NULL, NULL);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
328
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
329 TemplateParameters parameters;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
330 parameters.setDim(1);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
331 parameters.data[0] = (void *)&tp;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
332
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
333 Objects dedtypes;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
334 dedtypes.setDim(1);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
335
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
336 m = targ->deduceType(NULL, tspec, &parameters, &dedtypes);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
337 if (m == MATCHnomatch ||
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
338 (m != MATCHexact && tok == TOKequal))
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
339 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
340 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
341 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
342 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
343 Type *tded = (Type *)dedtypes.data[0];
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
344 if (!tded)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
345 tded = targ;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
346 Dsymbol *s = new AliasDeclaration(loc, id, tded);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
347 s->semantic(sc);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
348 sc->insert(s);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
349 if (sd)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
350 s->addMember(sc, sd, 1);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
351 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
352 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
353 else if (id)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
354 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
355 /* Declare id as an alias for type targ. Evaluate to TRUE
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
356 */
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
357 Dsymbol *s = new AliasDeclaration(loc, id, targ);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
358 s->semantic(sc);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
359 sc->insert(s);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
360 if (sd)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
361 s->addMember(sc, sd, 1);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
362 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
363 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
364 else if (tspec)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
365 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
366 /* Evaluate to TRUE if targ matches tspec
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
367 */
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
368 tspec = tspec->semantic(loc, sc);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
369 //printf("targ = %s\n", targ->toChars());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
370 //printf("tspec = %s\n", tspec->toChars());
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
371 if (tok == TOKcolon)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
372 { if (targ->implicitConvTo(tspec))
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
373 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
374 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
375 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
376 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
377 else /* == */
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
378 { if (targ->equals(tspec))
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
379 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
380 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
381 inc = 2;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
382 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
383 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
384 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
385 inc = 1;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
386 //printf("inc = %d\n", inc);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
387 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
388 return (inc == 1);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
389 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
390
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
391 void IftypeCondition::toCBuffer(OutBuffer *buf, HdrGenState *hgs)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
392 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
393 buf->writestring("iftype(");
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
394 targ->toCBuffer(buf, id, hgs);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
395 if (tspec)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
396 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
397 if (tok == TOKcolon)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
398 buf->writestring(" : ");
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
399 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
400 buf->writestring(" == ");
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
401 tspec->toCBuffer(buf, NULL, hgs);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
402 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
403 buf->writeByte(')');
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
404 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
405
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
406