Mercurial > projects > ddmd
annotate dmd/Type.d @ 131:206db751bd4c
dmdfe 2.037 compiles now
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Fri, 10 Sep 2010 00:27:37 +0100 |
| parents | 60bb0fe4563e |
| children | af1bebfd96a4 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Type; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.TY; |
|
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5 import dmd.Parameter; |
| 0 | 6 import dmd.TOK; |
| 7 import dmd.STC; | |
| 8 import dmd.TypeArray; | |
| 9 import dmd.DotVarExp; | |
| 10 import dmd.ErrorExp; | |
| 11 import dmd.StringExp; | |
| 12 import dmd.IntegerExp; | |
| 13 import dmd.VarExp; | |
| 14 import dmd.TemplateParameter; | |
| 15 import dmd.TypeInfoSharedDeclaration; | |
| 16 import dmd.TypeInfoConstDeclaration; | |
| 17 import dmd.TypeInfoInvariantDeclaration; | |
| 18 import dmd.Module; | |
| 19 import dmd.Id; | |
| 20 import dmd.Util; | |
| 21 import dmd.VarDeclaration; | |
| 22 import dmd.Loc; | |
| 23 import dmd.Scope; | |
| 24 import dmd.OutBuffer; | |
| 25 import dmd.Identifier; | |
| 26 import dmd.HdrGenState; | |
| 27 import dmd.Expression; | |
| 28 import dmd.Dsymbol; | |
| 29 import dmd.MATCH; | |
| 30 import dmd.TypeInfoDeclaration; | |
| 31 import dmd.ClassDeclaration; | |
| 32 import dmd.StringTable; | |
| 33 import dmd.ArrayTypes; | |
| 34 import dmd.TypeBasic; | |
| 35 import dmd.DYNCAST; | |
| 36 import dmd.MOD; | |
| 37 import dmd.Lexer; | |
| 38 import dmd.TypeSArray; | |
| 39 import dmd.TypeDArray; | |
| 40 import dmd.TypeAArray; | |
| 41 import dmd.TypePointer; | |
| 42 import dmd.TypeReference; | |
| 43 import dmd.TypeFunction; | |
| 44 import dmd.TypeDelegate; | |
| 45 import dmd.TypeIdentifier; | |
| 46 import dmd.TypeInstance; | |
| 47 import dmd.TypeTypeof; | |
| 48 import dmd.TypeReturn; | |
| 49 import dmd.TypeStruct; | |
| 50 import dmd.TypeEnum; | |
| 51 import dmd.TypeTypedef; | |
| 52 import dmd.TypeClass; | |
| 53 import dmd.TypeTuple; | |
| 54 import dmd.TypeSlice; | |
| 55 import dmd.Global; | |
| 56 import dmd.StringValue; | |
|
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57 import dmd.TRUST; |
|
206db751bd4c
dmdfe 2.037 compiles now
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58 import dmd.TemplateDeclaration; |
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dmdfe 2.037 compiles now
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59 import dmd.DotIdExp; |
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dmdfe 2.037 compiles now
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60 import dmd.AggregateDeclaration; |
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dmdfe 2.037 compiles now
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61 import dmd.DotTemplateInstanceExp; |
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dmdfe 2.037 compiles now
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62 |
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206db751bd4c
dmdfe 2.037 compiles now
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63 import dmd.expression.Util; |
| 0 | 64 |
| 65 import dmd.backend.Symbol; | |
| 66 import dmd.backend.TYPE; | |
| 67 import dmd.backend.dt_t; | |
| 68 import dmd.backend.Util; | |
| 69 import dmd.backend.TYM; | |
| 70 import dmd.backend.mTY; | |
| 71 | |
| 72 import core.stdc.stdio; | |
| 73 | |
| 4 | 74 import core.memory; |
| 2 | 75 |
| 0 | 76 /* These have default values for 32 bit code, they get |
| 77 * adjusted for 64 bit code. | |
| 78 */ | |
| 79 | |
| 80 int PTRSIZE = 4; | |
| 81 | |
| 82 int Tsize_t; | |
| 83 int Tptrdiff_t; | |
| 84 | |
| 85 /* REALSIZE = size a real consumes in memory | |
| 86 * REALPAD = 'padding' added to the CPU real size to bring it up to REALSIZE | |
| 87 * REALALIGNSIZE = alignment for reals | |
| 88 */ | |
| 89 version (TARGET_OSX) { | |
| 90 int REALSIZE = 16; | |
| 91 int REALPAD = 6; | |
| 92 int REALALIGNSIZE = 16; | |
|
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93 } else version (POSIX) { /// TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 94 int REALSIZE = 12; |
| 95 int REALPAD = 2; | |
| 96 int REALALIGNSIZE = 4; | |
| 97 } else { | |
| 98 int REALSIZE = 10; | |
| 99 int REALPAD = 0; | |
| 100 int REALALIGNSIZE = 2; | |
| 101 } | |
| 102 | |
| 103 /**** | |
| 104 * Given an identifier, figure out which TemplateParameter it is. | |
| 105 * Return -1 if not found. | |
| 106 */ | |
| 107 | |
| 108 int templateIdentifierLookup(Identifier id, TemplateParameters parameters) | |
| 109 { | |
|
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110 foreach (size_t i, TemplateParameter tp; parameters) |
| 0 | 111 { |
| 112 if (tp.ident.equals(id)) | |
| 113 return i; | |
| 114 } | |
| 115 return -1; | |
| 116 } | |
| 117 | |
| 118 int templateParameterLookup(Type tparam, TemplateParameters parameters) | |
| 119 { | |
| 120 assert(tparam.ty == Tident); | |
| 121 TypeIdentifier tident = cast(TypeIdentifier)tparam; | |
| 122 //printf("\ttident = '%s'\n", tident.toChars()); | |
| 123 if (tident.idents.dim == 0) | |
| 124 { | |
| 125 return templateIdentifierLookup(tident.ident, parameters); | |
| 126 } | |
| 127 return -1; | |
| 128 } | |
| 129 | |
| 130 class Type | |
| 131 { | |
| 132 TY ty; | |
| 133 MOD mod; // modifiers MODxxxx | |
| 134 /* pick this order of numbers so switch statements work better | |
| 135 */ | |
| 136 /// #define MODconst 1 // type is const | |
| 95 | 137 /// #define MODinvariant 4 // type is immutable |
| 138 /// #define MODimmutable 4 // type is immutable | |
| 0 | 139 /// #define MODshared 2 // type is shared |
| 140 string deco; | |
| 141 | |
| 142 /* These are cached values that are lazily evaluated by constOf(), invariantOf(), etc. | |
| 143 * They should not be referenced by anybody but mtype.c. | |
| 144 * They can be null if not lazily evaluated yet. | |
| 145 * Note that there is no "shared immutable", because that is just immutable | |
| 146 */ | |
| 147 | |
| 148 Type cto; // MODconst ? mutable version of this type : const version | |
| 149 Type ito; // MODinvariant ? mutable version of this type : invariant version | |
| 150 Type sto; // MODshared ? mutable version of this type : shared mutable version | |
| 151 Type scto; // MODshared|MODconst ? mutable version of this type : shared const version | |
| 152 | |
| 153 Type pto; // merged pointer to this type | |
| 154 Type rto; // reference to this type | |
| 155 Type arrayof; // array of this type | |
| 156 TypeInfoDeclaration vtinfo; // TypeInfo object for this Type | |
| 157 | |
| 158 type* ctype; // for back end | |
| 159 | |
| 160 static ClassDeclaration typeinfo; | |
| 161 static ClassDeclaration typeinfoclass; | |
| 162 static ClassDeclaration typeinfointerface; | |
| 163 static ClassDeclaration typeinfostruct; | |
| 164 static ClassDeclaration typeinfotypedef; | |
| 165 static ClassDeclaration typeinfopointer; | |
| 166 static ClassDeclaration typeinfoarray; | |
| 167 static ClassDeclaration typeinfostaticarray; | |
| 168 static ClassDeclaration typeinfoassociativearray; | |
| 169 static ClassDeclaration typeinfoenum; | |
| 170 static ClassDeclaration typeinfofunction; | |
| 171 static ClassDeclaration typeinfodelegate; | |
| 172 static ClassDeclaration typeinfotypelist; | |
| 173 static ClassDeclaration typeinfoconst; | |
| 174 static ClassDeclaration typeinfoinvariant; | |
| 175 static ClassDeclaration typeinfoshared; | |
| 176 | |
| 177 static Type basic[TY.TMAX]; | |
| 178 static ubyte mangleChar[TY.TMAX]; | |
| 179 static ubyte sizeTy[TY.TMAX]; | |
| 180 static StringTable stringtable; | |
| 181 | |
| 182 // These tables are for implicit conversion of binary ops; | |
| 183 // the indices are the type of operand one, followed by operand two. | |
| 184 static ubyte impcnvResult[TY.TMAX][TY.TMAX] = [ | |
| 185 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 186 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 187 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 188 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 189 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 190 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 191 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 192 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 193 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 194 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 195 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 196 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 197 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 198 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 199 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 200 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 201 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 202 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 203 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 204 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 205 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,20,20,20,20,20,20,21,22,23,24,25,23,24,25,29,30,31,37,20,37,37,37,37,37,37,37,37,37], | |
| 206 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,21,21,21,21,21,21,21,22,23,24,25,23,24,25,29,30,31,37,21,37,37,37,37,37,37,37,37,37], | |
| 207 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,22,22,22,22,22,22,22,22,23,24,25,23,24,25,29,30,31,37,22,37,37,37,37,37,37,37,37,37], | |
| 208 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,23,23,23,23,23,23,23,23,23,24,25,23,24,25,29,30,31,37,23,37,37,37,37,37,37,37,37,37], | |
| 209 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,24,24,24,24,24,24,24,24,24,24,25,24,24,25,30,30,31,37,24,37,37,37,37,37,37,37,37,37], | |
| 210 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,25,25,25,25,25,25,25,25,25,25,25,25,25,25,31,31,31,37,25,37,37,37,37,37,37,37,37,37], | |
| 211 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,23,23,23,23,23,23,23,23,23,24,25,26,27,28,29,30,31,37,23,37,37,37,37,37,37,37,37,37], | |
| 212 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,24,24,24,24,24,24,24,24,24,24,25,27,27,28,30,30,31,37,24,37,37,37,37,37,37,37,37,37], | |
| 213 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,25,25,25,25,25,25,25,25,25,25,25,28,28,28,31,31,31,37,25,37,37,37,37,37,37,37,37,37], | |
| 214 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,29,29,29,29,29,29,29,29,29,30,31,29,30,31,29,30,31,37,29,37,37,37,37,37,37,37,37,37], | |
| 215 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,30,30,30,30,30,30,30,30,30,30,31,30,30,31,30,30,31,37,30,37,37,37,37,37,37,37,37,37], | |
| 216 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,37,31,37,37,37,37,37,37,37,37,37], | |
| 217 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 218 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,33,37,37,37,37,37,37,37,37,37], | |
| 219 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 220 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 221 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 222 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 223 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 224 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 225 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 226 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 227 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 228 ]; | |
| 229 | |
| 230 static ubyte impcnvType1[TY.TMAX][TY.TMAX] = [ | |
| 231 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 232 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 233 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 234 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 235 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 236 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 237 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 238 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 239 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 240 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 241 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 242 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 243 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 244 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 245 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 246 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 247 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 248 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 249 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 250 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 251 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,20,20,20,20,20,20,21,22,23,24,25,23,24,25,23,24,25,37,20,37,37,37,37,37,37,37,37,37], | |
| 252 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,21,21,21,21,21,21,21,22,23,24,25,23,24,25,23,24,25,37,21,37,37,37,37,37,37,37,37,37], | |
| 253 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,22,22,22,22,22,22,22,22,23,24,25,23,24,25,23,24,25,37,22,37,37,37,37,37,37,37,37,37], | |
| 254 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,23,23,23,23,23,23,23,23,23,24,25,23,24,25,23,24,25,37,23,37,37,37,37,37,37,37,37,37], | |
| 255 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,24,24,24,24,24,24,24,24,24,24,25,24,24,25,24,24,25,37,24,37,37,37,37,37,37,37,37,37], | |
| 256 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,25,37,25,37,37,37,37,37,37,37,37,37], | |
| 257 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,26,26,26,26,26,26,26,26,26,27,28,26,27,28,26,27,28,37,26,37,37,37,37,37,37,37,37,37], | |
| 258 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,27,27,27,27,27,27,27,27,27,27,28,27,27,28,27,27,28,37,27,37,37,37,37,37,37,37,37,37], | |
| 259 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28,28,37,28,37,37,37,37,37,37,37,37,37], | |
| 260 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,29,29,29,29,29,29,29,29,29,30,31,29,30,31,29,30,31,37,29,37,37,37,37,37,37,37,37,37], | |
| 261 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,30,30,30,30,30,30,30,30,30,30,31,30,30,31,30,30,31,37,30,37,37,37,37,37,37,37,37,37], | |
| 262 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,37,31,37,37,37,37,37,37,37,37,37], | |
| 263 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 264 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,33,37,37,37,37,37,37,37,37,37], | |
| 265 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 266 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 267 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 268 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 269 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 270 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 271 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 272 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 273 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 274 ]; | |
| 275 | |
| 276 static ubyte impcnvType2[TY.TMAX][TY.TMAX] = [ | |
| 277 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 278 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 279 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 280 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 281 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 282 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 283 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 284 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 285 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 286 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 287 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 288 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 289 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 290 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 291 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 292 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 293 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 294 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 295 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 296 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 297 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,20,20,20,20,20,20,21,22,23,24,25,26,27,28,29,30,31,37,20,37,37,37,37,37,37,37,37,37], | |
| 298 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,21,21,21,21,21,21,21,22,23,24,25,26,27,28,29,30,31,37,21,37,37,37,37,37,37,37,37,37], | |
| 299 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,22,22,22,22,22,22,22,22,23,24,25,26,27,28,29,30,31,37,22,37,37,37,37,37,37,37,37,37], | |
| 300 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,23,23,23,23,23,23,23,23,23,24,25,26,27,28,29,30,31,37,23,37,37,37,37,37,37,37,37,37], | |
| 301 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,24,24,24,24,24,24,24,24,24,24,25,27,27,28,30,30,31,37,24,37,37,37,37,37,37,37,37,37], | |
| 302 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,25,25,25,25,25,25,25,25,25,25,25,28,28,28,31,31,31,37,25,37,37,37,37,37,37,37,37,37], | |
| 303 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,23,23,23,23,23,23,23,23,23,24,25,26,27,28,29,30,31,37,23,37,37,37,37,37,37,37,37,37], | |
| 304 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,24,24,24,24,24,24,24,24,24,24,25,27,27,28,30,30,31,37,24,37,37,37,37,37,37,37,37,37], | |
| 305 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,25,25,25,25,25,25,25,25,25,25,25,28,28,28,31,31,31,37,25,37,37,37,37,37,37,37,37,37], | |
| 306 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,23,23,23,23,23,23,23,23,23,24,25,26,27,28,29,30,31,37,23,37,37,37,37,37,37,37,37,37], | |
| 307 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,24,24,24,24,24,24,24,24,24,24,25,27,27,28,30,30,31,37,24,37,37,37,37,37,37,37,37,37], | |
| 308 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,25,25,25,25,25,25,25,25,25,25,25,28,28,28,31,31,31,37,25,37,37,37,37,37,37,37,37,37], | |
| 309 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 310 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,33,37,37,37,37,37,37,37,37,37], | |
| 311 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 312 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 313 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 314 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 315 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 316 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 317 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 318 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 319 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 320 ]; | |
| 321 | |
| 322 // If !=0, give warning on implicit conversion | |
| 323 static const(bool) impcnvWarn[TY.TMAX][TY.TMAX] = [ | |
| 324 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 325 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 326 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 327 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 328 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 329 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 330 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 331 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 332 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 333 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 334 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 335 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 336 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 337 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 338 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 339 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0], | |
| 340 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 341 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0], | |
| 342 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0], | |
| 343 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0], | |
| 344 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0], | |
| 345 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0], | |
| 346 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0], | |
| 347 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 348 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 349 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 350 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 351 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 352 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 353 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 354 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 355 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 356 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 357 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 358 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 359 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 360 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 361 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 362 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 363 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 364 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 365 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 366 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 367 ]; | |
| 368 | |
| 369 static this() | |
| 370 { | |
| 371 stringtable = new StringTable(); | |
| 372 } | |
| 373 | |
| 374 static ~this() | |
| 375 { | |
| 376 delete stringtable; | |
| 377 } | |
| 378 | |
| 379 this(TY ty) | |
| 380 { | |
| 381 this.ty = ty; | |
| 382 } | |
| 383 | |
| 384 Type syntaxCopy() | |
| 385 { | |
| 386 assert(false); | |
| 387 } | |
| 388 | |
| 45 | 389 bool equals(Object o) |
| 0 | 390 { |
| 391 Type t = cast(Type)o; | |
| 392 //printf("Type.equals(%s, %s)\n", toChars(), t.toChars()); | |
| 393 if (this is o || (t && deco == t.deco) && // deco strings are unique | |
| 394 deco !is null) // and semantic() has been run | |
| 395 { | |
| 396 //printf("deco = '%s', t.deco = '%s'\n", deco, t.deco); | |
| 397 return 1; | |
| 398 } | |
| 399 //if (deco && t && t.deco) printf("deco = '%s', t.deco = '%s'\n", deco, t.deco); | |
| 400 return 0; | |
| 401 } | |
| 402 | |
| 403 DYNCAST dyncast() { return DYNCAST.DYNCAST_TYPE; } // kludge for template.isType() | |
| 404 | |
| 405 /******************************* | |
|
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406 * Covariant means that 'this' can substitute for 't', |
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407 * i.e. a pure function is a match for an impure type. * Returns: |
| 0 | 408 * 0 types are distinct |
| 409 * 1 this is covariant with t | |
| 410 * 2 arguments match as far as overloading goes, | |
| 411 * but types are not covariant | |
| 412 * 3 cannot determine covariance because of forward references | |
| 413 */ | |
| 414 int covariant(Type t) | |
| 415 { | |
| 79 | 416 static if (false) |
| 417 { | |
| 0 | 418 printf("Type.covariant(t = %s) %s\n", t.toChars(), toChars()); |
| 419 printf("deco = %p, %p\n", deco, t.deco); | |
| 420 // printf("ty = %d\n", next.ty); | |
| 421 printf("mod = %x, %x\n", mod, t.mod); | |
| 422 } | |
| 423 | |
| 424 int inoutmismatch = 0; | |
| 425 | |
| 426 TypeFunction t1; | |
| 427 TypeFunction t2; | |
| 428 | |
| 429 if (equals(t)) | |
| 430 return 1; // covariant | |
| 431 | |
| 432 if (ty != TY.Tfunction || t.ty != TY.Tfunction) | |
| 433 goto Ldistinct; | |
| 434 | |
| 435 t1 = cast(TypeFunction)this; | |
| 436 t2 = cast(TypeFunction)t; | |
| 437 | |
| 438 if (t1.varargs != t2.varargs) | |
| 439 goto Ldistinct; | |
| 440 | |
| 441 if (t1.parameters && t2.parameters) | |
| 442 { | |
|
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443 size_t dim = Parameter.dim(t1.parameters); |
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444 if (dim != Parameter.dim(t2.parameters)) |
| 0 | 445 goto Ldistinct; |
| 446 | |
| 447 for (size_t i = 0; i < dim; i++) | |
| 448 { | |
|
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449 auto arg1 = Parameter.getNth(t1.parameters, i); |
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450 auto arg2 = Parameter.getNth(t2.parameters, i); |
| 0 | 451 |
| 452 if (!arg1.type.equals(arg2.type)) | |
| 453 { | |
| 454 ///static if (false) { | |
| 455 /// // turn on this for contravariant argument types, see bugzilla 3075 | |
| 98 | 456 /// // BUG: cannot convert ref to const to ref to immutable |
| 0 | 457 /// // We can add const, but not subtract it |
| 458 /// if (arg2.type.implicitConvTo(arg1.type) < MATCH.MATCHconst) | |
| 459 ///} | |
| 460 goto Ldistinct; | |
| 461 } | |
|
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462 const StorageClass sc = STC.STCref | STC.STCin | STC.STCout | STC.STClazy; |
|
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463 if ((arg1.storageClass & sc) != (arg2.storageClass & sc)) |
| 0 | 464 inoutmismatch = 1; |
| 465 // We can add scope, but not subtract it | |
| 466 if (!(arg1.storageClass & STC.STCscope) && (arg2.storageClass & STC.STCscope)) | |
| 467 inoutmismatch = 1; | |
| 468 } | |
| 469 } | |
| 470 else if (t1.parameters != t2.parameters) | |
| 471 goto Ldistinct; | |
| 472 | |
| 473 // The argument lists match | |
| 474 if (inoutmismatch) | |
| 475 goto Lnotcovariant; | |
| 476 if (t1.linkage != t2.linkage) | |
| 477 goto Lnotcovariant; | |
| 478 | |
| 479 { | |
| 480 // Return types | |
| 481 Type t1n = t1.next; | |
| 482 Type t2n = t2.next; | |
| 483 | |
| 79 | 484 if (t1n is null || t2n is null) // happens with return type inference |
| 485 goto Lnotcovariant; | |
| 486 | |
| 0 | 487 if (t1n.equals(t2n)) |
| 488 goto Lcovariant; | |
| 489 if (t1n.ty == TY.Tclass && t2n.ty == TY.Tclass) | |
| 490 { | |
| 491 /* If same class type, but t2n is const, then it's | |
| 492 * covariant. Do this test first because it can work on | |
| 493 * forward references. | |
| 494 */ | |
| 495 if ((cast(TypeClass)t1n).sym == (cast(TypeClass)t2n).sym && | |
| 496 t2n.mod == MOD.MODconst) | |
| 497 goto Lcovariant; | |
| 498 | |
| 499 // If t1n is forward referenced: | |
| 500 ClassDeclaration cd = (cast(TypeClass)t1n).sym; | |
| 501 if (!cd.baseClass && cd.baseclasses.dim && !cd.isInterfaceDeclaration()) | |
| 502 { | |
| 503 return 3; | |
| 504 } | |
| 505 } | |
| 506 if (t1n.implicitConvTo(t2n)) | |
| 507 goto Lcovariant; | |
| 508 } | |
| 509 | |
| 510 goto Lnotcovariant; | |
| 511 | |
| 512 Lcovariant: | |
| 513 /* Can convert mutable to const | |
| 514 */ | |
| 515 if (t1.mod != t2.mod) | |
| 516 { | |
| 517 if (!(t1.mod & MOD.MODconst) && (t2.mod & MOD.MODconst)) | |
| 518 goto Lnotcovariant; | |
| 519 if (!(t1.mod & MOD.MODshared) && (t2.mod & MOD.MODshared)) | |
| 520 goto Lnotcovariant; | |
| 521 } | |
| 522 | |
| 523 /* Can convert pure to impure, and nothrow to throw | |
| 524 */ | |
| 525 if (!t1.ispure && t2.ispure) | |
| 526 goto Lnotcovariant; | |
| 527 | |
| 528 if (!t1.isnothrow && t2.isnothrow) | |
| 529 goto Lnotcovariant; | |
| 530 | |
| 531 if (t1.isref != t2.isref) | |
|
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532 goto Lnotcovariant; |
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533 |
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534 /* Can convert safe/trusted to system |
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535 */ |
|
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536 if (t1.trust <= TRUST.TRUSTsystem && t2.trust >= TRUST.TRUSTtrusted) |
| 0 | 537 goto Lnotcovariant; |
| 538 | |
| 539 //printf("\tcovaraint: 1\n"); | |
| 540 return 1; | |
| 541 | |
| 542 Ldistinct: | |
| 543 //printf("\tcovaraint: 0\n"); | |
| 544 return 0; | |
| 545 | |
| 546 Lnotcovariant: | |
| 547 //printf("\tcovaraint: 2\n"); | |
| 548 return 2; | |
| 549 } | |
| 550 | |
| 551 string toChars() | |
| 552 { | |
| 553 scope OutBuffer buf = new OutBuffer(); | |
| 554 | |
| 555 HdrGenState hgs; | |
| 556 toCBuffer(buf, null, &hgs); | |
| 557 return buf.toChars(); | |
| 558 } | |
| 559 | |
| 560 static char needThisPrefix() | |
| 561 { | |
| 562 return 'M'; // name mangling prefix for functions needing 'this' | |
| 563 } | |
| 564 | |
| 565 static void init() | |
| 566 { | |
| 567 Lexer.initKeywords(); | |
| 568 | |
| 569 for (int i = 0; i < TY.TMAX; i++) | |
| 570 sizeTy[i] = TypeBasic.sizeof; | |
| 571 | |
| 572 sizeTy[TY.Tsarray] = TypeSArray.sizeof; | |
| 573 sizeTy[TY.Tarray] = TypeDArray.sizeof; | |
| 574 //sizeTy[TY.Tnarray] = TypeNArray.sizeof; | |
| 575 sizeTy[TY.Taarray] = TypeAArray.sizeof; | |
| 576 sizeTy[TY.Tpointer] = TypePointer.sizeof; | |
| 577 sizeTy[TY.Treference] = TypeReference.sizeof; | |
| 578 sizeTy[TY.Tfunction] = TypeFunction.sizeof; | |
| 579 sizeTy[TY.Tdelegate] = TypeDelegate.sizeof; | |
| 580 sizeTy[TY.Tident] = TypeIdentifier.sizeof; | |
| 581 sizeTy[TY.Tinstance] = TypeInstance.sizeof; | |
| 582 sizeTy[TY.Ttypeof] = TypeTypeof.sizeof; | |
| 583 sizeTy[TY.Tenum] = TypeEnum.sizeof; | |
| 584 sizeTy[TY.Ttypedef] = TypeTypedef.sizeof; | |
| 585 sizeTy[TY.Tstruct] = TypeStruct.sizeof; | |
| 586 sizeTy[TY.Tclass] = TypeClass.sizeof; | |
| 587 sizeTy[TY.Ttuple] = TypeTuple.sizeof; | |
| 588 sizeTy[TY.Tslice] = TypeSlice.sizeof; | |
| 589 sizeTy[TY.Treturn] = TypeReturn.sizeof; | |
| 590 | |
| 591 mangleChar[TY.Tarray] = 'A'; | |
| 592 mangleChar[TY.Tsarray] = 'G'; | |
| 593 mangleChar[TY.Tnarray] = '@'; | |
| 594 mangleChar[TY.Taarray] = 'H'; | |
| 595 mangleChar[TY.Tpointer] = 'P'; | |
| 596 mangleChar[TY.Treference] = 'R'; | |
| 597 mangleChar[TY.Tfunction] = 'F'; | |
| 598 mangleChar[TY.Tident] = 'I'; | |
| 599 mangleChar[TY.Tclass] = 'C'; | |
| 600 mangleChar[TY.Tstruct] = 'S'; | |
| 601 mangleChar[TY.Tenum] = 'E'; | |
| 602 mangleChar[TY.Ttypedef] = 'T'; | |
| 603 mangleChar[TY.Tdelegate] = 'D'; | |
| 604 | |
| 605 mangleChar[TY.Tnone] = 'n'; | |
| 606 mangleChar[TY.Tvoid] = 'v'; | |
| 607 mangleChar[TY.Tint8] = 'g'; | |
| 608 mangleChar[TY.Tuns8] = 'h'; | |
| 609 mangleChar[TY.Tint16] = 's'; | |
| 610 mangleChar[TY.Tuns16] = 't'; | |
| 611 mangleChar[TY.Tint32] = 'i'; | |
| 612 mangleChar[TY.Tuns32] = 'k'; | |
| 613 mangleChar[TY.Tint64] = 'l'; | |
| 614 mangleChar[TY.Tuns64] = 'm'; | |
| 615 mangleChar[TY.Tfloat32] = 'f'; | |
| 616 mangleChar[TY.Tfloat64] = 'd'; | |
| 617 mangleChar[TY.Tfloat80] = 'e'; | |
| 618 | |
| 619 mangleChar[TY.Timaginary32] = 'o'; | |
| 620 mangleChar[TY.Timaginary64] = 'p'; | |
| 621 mangleChar[TY.Timaginary80] = 'j'; | |
| 622 mangleChar[TY.Tcomplex32] = 'q'; | |
| 623 mangleChar[TY.Tcomplex64] = 'r'; | |
| 624 mangleChar[TY.Tcomplex80] = 'c'; | |
| 625 | |
| 626 mangleChar[TY.Tbool] = 'b'; | |
| 627 mangleChar[TY.Tascii] = 'a'; | |
| 628 mangleChar[TY.Twchar] = 'u'; | |
| 629 mangleChar[TY.Tdchar] = 'w'; | |
| 630 | |
| 631 mangleChar[TY.Tbit] = '@'; | |
| 632 mangleChar[TY.Tinstance] = '@'; | |
| 633 mangleChar[TY.Terror] = '@'; | |
| 634 mangleChar[TY.Ttypeof] = '@'; | |
| 635 mangleChar[TY.Ttuple] = 'B'; | |
| 636 mangleChar[TY.Tslice] = '@'; | |
| 637 mangleChar[TY.Treturn] = '@'; | |
| 638 | |
| 639 debug { | |
| 640 for (int i = 0; i < TY.TMAX; i++) { | |
| 641 if (!mangleChar[i]) { | |
| 642 writef("ty = %d\n", i); | |
| 643 } | |
| 644 assert(mangleChar[i]); | |
| 645 } | |
| 646 } | |
| 647 // Set basic types | |
| 648 static TY[] basetab = [ | |
| 649 TY.Tvoid, TY.Tint8, TY.Tuns8, TY.Tint16, TY.Tuns16, TY.Tint32, TY.Tuns32, TY.Tint64, TY.Tuns64, | |
| 650 TY.Tfloat32, TY.Tfloat64, TY.Tfloat80, | |
| 651 TY.Timaginary32, TY.Timaginary64, TY.Timaginary80, | |
| 652 TY.Tcomplex32, TY.Tcomplex64, TY.Tcomplex80, | |
| 653 TY.Tbool, | |
| 654 TY.Tascii, TY.Twchar, TY.Tdchar | |
| 655 ]; | |
| 656 | |
| 657 foreach (bt; basetab) { | |
| 658 Type t = new TypeBasic(bt); | |
| 659 t = t.merge(); | |
| 660 basic[bt] = t; | |
| 661 } | |
| 662 | |
| 663 basic[TY.Terror] = basic[TY.Tint32]; | |
| 664 | |
| 665 tvoidptr = tvoid.pointerTo(); | |
| 98 | 666 tstring = tchar.invariantOf().arrayOf(); |
| 0 | 667 |
| 668 if (global.params.isX86_64) { | |
| 669 PTRSIZE = 8; | |
| 670 if (global.params.isLinux || global.params.isFreeBSD || global.params.isSolaris) | |
| 671 REALSIZE = 10; | |
| 672 else | |
| 673 REALSIZE = 8; | |
| 674 Tsize_t = TY.Tuns64; | |
| 675 Tptrdiff_t = TY.Tint64; | |
| 676 } | |
| 677 else | |
| 678 { | |
| 679 PTRSIZE = 4; | |
| 680 version (TARGET_OSX) { | |
| 681 REALSIZE = 16; | |
| 682 REALPAD = 6; | |
| 683 } else version (XXX) { //#elif TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS | |
| 684 REALSIZE = 12; | |
| 685 REALPAD = 2; | |
| 686 } else { | |
| 687 REALSIZE = 10; | |
| 688 REALPAD = 0; | |
| 689 } | |
| 690 Tsize_t = TY.Tuns32; | |
| 691 Tptrdiff_t = TY.Tint32; | |
| 692 } | |
| 693 } | |
| 694 | |
| 695 ulong size() | |
| 696 { | |
| 697 return size(Loc(0)); | |
| 698 } | |
| 699 | |
| 700 ulong size(Loc loc) | |
| 701 { | |
| 702 error(loc, "no size for type %s", toChars()); | |
| 703 return 1; | |
| 704 } | |
| 705 | |
| 706 uint alignsize() | |
| 707 { | |
| 708 return cast(uint)size(Loc(0)); /// | |
| 709 } | |
| 710 | |
| 711 Type semantic(Loc loc, Scope sc) | |
| 712 { | |
| 713 return merge(); | |
| 714 } | |
| 715 | |
| 716 Type trySemantic(Loc loc, Scope sc) | |
| 717 { | |
| 718 uint errors = global.errors; | |
| 719 global.gag++; // suppress printing of error messages | |
| 720 Type t = semantic(loc, sc); | |
| 721 global.gag--; | |
| 722 if (errors != global.errors) // if any errors happened | |
| 723 { | |
| 724 global.errors = errors; | |
| 725 t = null; | |
| 726 } | |
| 727 return t; | |
| 728 } | |
| 729 | |
| 730 /******************************** | |
| 731 * Name mangling. | |
| 732 * Input: | |
| 733 * flag 0x100 do not do const/invariant | |
| 734 */ | |
| 735 void toDecoBuffer(OutBuffer buf, int flag = 0) | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
16
diff
changeset
|
736 { |
| 0 | 737 if (flag != mod && flag != 0x100) |
| 738 { | |
| 739 if (mod & MOD.MODshared) | |
| 740 buf.writeByte('O'); | |
| 741 | |
| 742 if (mod & MOD.MODconst) | |
| 743 buf.writeByte('x'); | |
| 744 else if (mod & MOD.MODinvariant) | |
| 745 buf.writeByte('y'); | |
| 746 | |
| 747 // Cannot be both const and invariant | |
| 748 assert((mod & (MOD.MODconst | MOD.MODinvariant)) != (MOD.MODconst | MOD.MODinvariant)); | |
| 749 } | |
| 750 buf.writeByte(mangleChar[ty]); | |
| 751 } | |
| 752 | |
| 753 Type merge() | |
| 754 { | |
| 755 Type t = this; | |
| 756 assert(t); | |
| 757 | |
| 758 //printf("merge(%s)\n", toChars()); | |
| 759 if (deco is null) | |
| 760 { | |
| 761 OutBuffer buf = new OutBuffer(); | |
| 762 | |
| 763 //if (next) | |
| 764 //next = next.merge(); | |
| 765 toDecoBuffer(buf); | |
| 766 StringValue* sv = stringtable.update(buf.extractString()); | |
| 767 if (sv.ptrvalue) | |
| 768 { | |
| 769 t = cast(Type) sv.ptrvalue; | |
| 770 debug { | |
| 771 if (!t.deco) | |
| 772 writef("t = %s\n", t.toChars()); | |
| 773 } | |
| 774 assert(t.deco); | |
| 775 //printf("old value, deco = '%s' %p\n", t.deco, t.deco); | |
| 776 } | |
| 777 else | |
| 778 { | |
| 779 sv.ptrvalue = cast(void*)this; | |
| 780 deco = sv.lstring.string_; | |
| 781 //printf("new value, deco = '%s' %p\n", t.deco, t.deco); | |
| 782 } | |
| 783 } | |
| 784 return t; | |
| 785 } | |
| 786 | |
| 787 /************************************* | |
| 788 * This version does a merge even if the deco is already computed. | |
| 789 * Necessary for types that have a deco, but are not merged. | |
| 790 */ | |
| 791 Type merge2() | |
| 792 { | |
| 793 //printf("merge2(%s)\n", toChars()); | |
| 794 Type t = this; | |
| 795 assert(t); | |
| 796 if (!t.deco) | |
| 797 return t.merge(); | |
| 798 | |
| 799 StringValue* sv = stringtable.lookup(t.deco); | |
| 800 if (sv && sv.ptrvalue) | |
| 801 { | |
| 802 t = cast(Type)sv.ptrvalue; | |
| 803 assert(t.deco); | |
| 804 } | |
| 805 else | |
| 806 assert(0); | |
| 807 | |
| 808 return t; | |
| 809 } | |
| 810 | |
| 811 void toCBuffer(OutBuffer buf, Identifier ident, HdrGenState* hgs) | |
| 812 { | |
| 813 toCBuffer2(buf, hgs, MOD.MODundefined); | |
| 814 if (ident) | |
| 815 { | |
| 816 buf.writeByte(' '); | |
| 817 buf.writestring(ident.toChars()); | |
| 818 } | |
| 819 } | |
| 820 | |
| 821 void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) | |
| 822 { | |
| 823 if (mod != this.mod) | |
| 824 { | |
| 825 toCBuffer3(buf, hgs, mod); | |
| 826 return; | |
| 827 } | |
| 828 buf.writestring(toChars()); | |
| 829 } | |
| 830 | |
| 831 void toCBuffer3(OutBuffer buf, HdrGenState* hgs, MOD mod) | |
| 832 { | |
| 833 if (mod != this.mod) | |
| 834 { | |
| 835 string p; | |
| 836 | |
| 837 if (this.mod & MOD.MODshared) | |
| 838 buf.writestring("shared("); | |
| 839 | |
| 840 switch (this.mod & (MOD.MODconst | MOD.MODinvariant)) | |
| 841 { | |
| 842 case MOD.MODundefined: | |
| 843 toCBuffer2(buf, hgs, this.mod); | |
| 844 break; | |
| 845 case MOD.MODconst: | |
| 846 p = "const("; | |
| 847 goto L1; | |
| 848 case MOD.MODinvariant: | |
| 849 p = "immutable("; | |
| 850 L1: buf.writestring(p); | |
| 851 toCBuffer2(buf, hgs, this.mod); | |
| 852 buf.writeByte(')'); | |
| 853 break; | |
| 854 } | |
| 855 | |
| 856 if (this.mod & MOD.MODshared) | |
| 857 buf.writeByte(')'); | |
| 858 } | |
| 859 } | |
| 860 | |
| 861 void modToBuffer(OutBuffer buf) | |
| 862 { | |
| 863 if (mod & MOD.MODshared) | |
| 864 buf.writestring(" shared"); | |
| 865 if (mod & MOD.MODconst) | |
| 866 buf.writestring(" const"); | |
| 867 if (mod & MOD.MODinvariant) | |
| 868 buf.writestring(" immutable"); | |
| 869 } | |
| 870 | |
| 871 version (CPP_MANGLE) { | |
| 872 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 873 { | |
| 874 assert(false); | |
| 875 } | |
| 876 } | |
| 877 bool isintegral() | |
| 878 { | |
| 879 return false; | |
| 880 } | |
| 881 | |
| 882 bool isfloating() // real, imaginary, or complex | |
| 883 { | |
| 884 return false; | |
| 885 } | |
| 886 | |
| 887 bool isreal() | |
| 888 { | |
| 889 return false; | |
| 890 } | |
| 891 | |
| 892 bool isimaginary() | |
| 893 { | |
| 894 return false; | |
| 895 } | |
| 896 | |
| 897 bool iscomplex() | |
| 898 { | |
| 899 return false; | |
| 900 } | |
| 901 | |
| 902 bool isscalar() | |
| 903 { | |
| 904 return false; | |
| 905 } | |
| 906 | |
| 907 bool isunsigned() | |
| 908 { | |
| 909 return false; | |
| 910 } | |
| 911 | |
| 912 bool isauto() | |
| 913 { | |
| 914 return false; | |
| 915 } | |
| 916 | |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
4
diff
changeset
|
917 bool isString() |
| 0 | 918 { |
| 919 return false; | |
| 920 } | |
| 921 | |
| 922 /************************** | |
| 923 * Given: | |
| 924 * T a, b; | |
| 925 * Can we assign: | |
| 926 * a = b; | |
| 927 * ? | |
| 928 */ | |
| 73 | 929 bool isAssignable() |
| 0 | 930 { |
| 931 return true; | |
| 932 } | |
| 933 | |
| 934 bool checkBoolean() // if can be converted to boolean value | |
| 935 { | |
| 936 return isscalar(); | |
| 937 } | |
| 938 | |
| 939 /********************************* | |
| 940 * Check type to see if it is based on a deprecated symbol. | |
| 941 */ | |
| 942 void checkDeprecated(Loc loc, Scope sc) | |
| 943 { | |
| 944 Dsymbol s = toDsymbol(sc); | |
| 945 if (s) | |
| 946 s.checkDeprecated(loc, sc); | |
| 947 } | |
| 948 | |
| 949 bool isConst() { return (mod & MOD.MODconst) != 0; } | |
| 950 | |
| 951 int isInvariant() { return mod & MOD.MODinvariant; } | |
| 952 | |
| 953 int isMutable() { return !(mod & (MOD.MODconst | MOD.MODinvariant)); } | |
| 954 | |
| 955 int isShared() { return mod & MOD.MODshared; } | |
| 956 | |
| 957 int isSharedConst() { return mod == (MOD.MODshared | MOD.MODconst); } | |
| 958 | |
| 959 /******************************** | |
| 960 * Convert to 'const'. | |
| 961 */ | |
| 962 Type constOf() | |
| 963 { | |
| 964 //printf("Type.constOf() %p %s\n", this, toChars()); | |
| 965 if (mod == MOD.MODconst) | |
| 966 return this; | |
| 967 if (cto) | |
| 968 { | |
| 969 assert(cto.mod == MOD.MODconst); | |
| 970 return cto; | |
| 971 } | |
| 972 Type t = makeConst(); | |
| 973 t = t.merge(); | |
| 974 t.fixTo(this); | |
| 975 //printf("-Type.constOf() %p %s\n", t, toChars()); | |
| 976 return t; | |
| 977 } | |
| 978 | |
| 979 /******************************** | |
| 980 * Convert to 'immutable'. | |
| 981 */ | |
| 982 Type invariantOf() | |
| 983 { | |
| 984 //printf("Type.invariantOf() %p %s\n", this, toChars()); | |
| 985 if (isInvariant()) | |
| 986 { | |
| 987 return this; | |
| 988 } | |
| 989 if (ito) | |
| 990 { | |
| 991 assert(ito.isInvariant()); | |
| 992 return ito; | |
| 993 } | |
| 994 Type t = makeInvariant(); | |
| 995 t = t.merge(); | |
| 996 t.fixTo(this); | |
| 997 //printf("\t%p\n", t); | |
| 998 return t; | |
| 999 } | |
| 1000 | |
| 1001 Type mutableOf() | |
| 1002 { | |
| 1003 //printf("Type.mutableOf() %p, %s\n", this, toChars()); | |
| 1004 Type t = this; | |
| 1005 if (isConst()) | |
| 1006 { | |
| 1007 if (isShared()) | |
| 1008 t = sto; // shared const => shared | |
| 1009 else | |
| 1010 t = cto; | |
| 1011 assert(!t || t.isMutable()); | |
| 1012 } | |
| 1013 else if (isInvariant()) | |
| 1014 { | |
| 1015 t = ito; | |
| 1016 assert(!t || (t.isMutable() && !t.isShared())); | |
| 1017 } | |
| 1018 if (!t) | |
| 1019 { | |
| 1020 uint sz = this.classinfo.init.length; | |
| 2 | 1021 t = cast(Type)GC.malloc(sz); |
| 0 | 1022 memcpy(cast(void*)t, cast(void*)this, sz); |
| 98 | 1023 t.mod = mod & MODshared; |
| 0 | 1024 t.deco = null; |
| 1025 t.arrayof = null; | |
| 1026 t.pto = null; | |
| 1027 t.rto = null; | |
| 1028 t.cto = null; | |
| 1029 t.ito = null; | |
| 1030 t.sto = null; | |
| 1031 t.scto = null; | |
| 1032 t.vtinfo = null; | |
| 1033 t = t.merge(); | |
| 1034 | |
| 1035 t.fixTo(this); | |
| 1036 | |
| 1037 switch (mod) | |
| 1038 { | |
| 1039 case MODconst: | |
| 1040 t.cto = this; | |
| 1041 break; | |
| 1042 | |
| 1043 case MODinvariant: | |
| 1044 t.ito = this; | |
| 1045 break; | |
| 1046 | |
| 1047 case MODshared | MODconst: | |
| 1048 t.scto = this; | |
| 1049 break; | |
| 1050 | |
| 1051 default: | |
| 1052 assert(0); | |
| 1053 } | |
| 1054 } | |
| 1055 return t; | |
| 1056 } | |
| 1057 | |
| 1058 Type sharedOf() | |
| 1059 { | |
| 1060 //printf("Type.sharedOf() %p, %s\n", this, toChars()); | |
| 1061 if (mod == MOD.MODshared) | |
| 1062 { | |
| 1063 return this; | |
| 1064 } | |
| 1065 if (sto) | |
| 1066 { | |
| 1067 assert(sto.isShared()); | |
| 1068 return sto; | |
| 1069 } | |
| 1070 | |
| 1071 Type t = makeShared(); | |
| 1072 t = t.merge(); | |
| 1073 t.fixTo(this); | |
| 1074 | |
| 1075 //printf("\t%p\n", t); | |
| 1076 return t; | |
| 1077 } | |
| 1078 | |
| 1079 Type sharedConstOf() | |
| 1080 { | |
| 1081 //printf("Type.sharedConstOf() %p, %s\n", this, toChars()); | |
| 1082 if (mod == (MODshared | MODconst)) | |
| 1083 { | |
| 1084 return this; | |
| 1085 } | |
| 1086 if (scto) | |
| 1087 { | |
| 1088 assert(scto.mod == (MODshared | MODconst)); | |
| 1089 return scto; | |
| 1090 } | |
| 1091 | |
| 1092 Type t = makeSharedConst(); | |
| 1093 t = t.merge(); | |
| 1094 t.fixTo(this); | |
| 1095 //printf("\t%p\n", t); | |
| 1096 | |
| 1097 return t; | |
| 1098 } | |
| 98 | 1099 |
| 1100 /******************************** | |
| 1101 * Make type unshared. | |
| 1102 */ | |
| 1103 Type unSharedOf() | |
| 1104 { | |
| 1105 //writef("Type::unSharedOf() %p, %s\n", this, toChars()); | |
| 1106 Type t = this; | |
| 1107 | |
| 1108 if (isShared()) | |
| 1109 { | |
| 1110 if (isConst()) | |
| 1111 t = cto; // shared const => const | |
| 1112 else | |
| 1113 t = sto; | |
| 1114 assert(!t || !t.isShared()); | |
| 1115 } | |
| 1116 | |
| 1117 if (!t) | |
| 1118 { | |
| 1119 uint sz = this.classinfo.init.length; | |
| 1120 t = cast(Type)GC.malloc(sz); | |
| 1121 memcpy(cast(void*)t, cast(void*)this, sz); | |
| 1122 t.mod = mod & ~MODshared; | |
| 1123 t.deco = null; | |
| 1124 t.arrayof = null; | |
| 1125 t.pto = null; | |
| 1126 t.rto = null; | |
| 1127 t.cto = null; | |
| 1128 t.ito = null; | |
| 1129 t.sto = null; | |
| 1130 t.scto = null; | |
| 1131 t.vtinfo = null; | |
| 1132 t = t.merge(); | |
| 0 | 1133 |
| 98 | 1134 t.fixTo(this); |
| 1135 | |
| 1136 switch (mod) | |
| 1137 { | |
| 1138 case MODshared: | |
| 1139 t.sto = this; | |
| 1140 break; | |
| 1141 | |
| 1142 case MODshared | MODconst: | |
| 1143 t.scto = this; | |
| 1144 break; | |
| 1145 | |
| 1146 default: | |
| 1147 assert(0); | |
| 1148 } | |
| 1149 } | |
| 1150 assert(!t.isShared()); | |
| 1151 return t; | |
| 1152 } | |
| 1153 | |
| 0 | 1154 static uint X(MOD m, MOD n) |
| 1155 { | |
| 1156 return (((m) << 3) | (n)); | |
| 1157 } | |
| 1158 | |
| 1159 /********************************** | |
| 1160 * For our new type 'this', which is type-constructed from t, | |
| 1161 * fill in the cto, ito, sto, scto shortcuts. | |
| 1162 */ | |
| 1163 void fixTo(Type t) | |
| 1164 { | |
| 1165 ito = t.ito; | |
| 1166 static if (false) { | |
| 1167 /* Cannot do these because these are not fully transitive: | |
| 1168 * there can be a shared ptr to immutable, for example. | |
| 1169 * Immutable subtypes are always immutable, though. | |
| 1170 */ | |
| 1171 cto = t.cto; | |
| 1172 sto = t.sto; | |
| 1173 scto = t.scto; | |
| 1174 } | |
| 1175 | |
| 1176 assert(mod != t.mod); | |
| 1177 | |
| 1178 switch (X(mod, t.mod)) | |
| 1179 { | |
| 1180 case X(MOD.MODundefined, MOD.MODconst): | |
| 1181 cto = t; | |
| 1182 break; | |
| 1183 | |
| 1184 case X(MOD.MODundefined, MOD.MODinvariant): | |
| 1185 ito = t; | |
| 1186 break; | |
| 1187 | |
| 1188 case X(MOD.MODundefined, MOD.MODshared): | |
| 1189 sto = t; | |
| 1190 break; | |
| 1191 | |
| 1192 case X(MOD.MODundefined, MOD.MODshared | MOD.MODconst): | |
| 1193 scto = t; | |
| 1194 break; | |
| 1195 | |
| 1196 | |
| 1197 case X(MOD.MODconst, MOD.MODundefined): | |
| 1198 cto = null; | |
| 1199 goto L2; | |
| 1200 | |
| 1201 case X(MOD.MODconst, MOD.MODinvariant): | |
| 1202 ito = t; | |
| 1203 goto L2; | |
| 1204 | |
| 1205 case X(MOD.MODconst, MOD.MODshared): | |
| 1206 sto = t; | |
| 1207 goto L2; | |
| 1208 | |
| 1209 case X(MOD.MODconst, MOD.MODshared | MOD.MODconst): | |
| 1210 scto = t; | |
| 1211 L2: | |
| 1212 t.cto = this; | |
| 1213 break; | |
| 1214 | |
| 1215 | |
| 1216 case X(MOD.MODinvariant, MOD.MODundefined): | |
| 1217 ito = null; | |
| 1218 goto L3; | |
| 1219 | |
| 1220 case X(MOD.MODinvariant, MOD.MODconst): | |
| 1221 cto = t; | |
| 1222 goto L3; | |
| 1223 | |
| 1224 case X(MOD.MODinvariant, MOD.MODshared): | |
| 1225 sto = t; | |
| 1226 goto L3; | |
| 1227 | |
| 1228 case X(MOD.MODinvariant, MOD.MODshared | MOD.MODconst): | |
| 1229 scto = t; | |
| 1230 L3: | |
| 1231 t.ito = this; | |
| 1232 if (t.cto) t.cto.ito = this; | |
| 1233 if (t.sto) t.sto.ito = this; | |
| 1234 if (t.scto) t.scto.ito = this; | |
| 1235 break; | |
| 1236 | |
| 1237 | |
| 1238 case X(MOD.MODshared, MOD.MODundefined): | |
| 1239 sto = null; | |
| 1240 goto L4; | |
| 1241 | |
| 1242 case X(MOD.MODshared, MOD.MODconst): | |
| 1243 cto = t; | |
| 1244 goto L4; | |
| 1245 | |
| 1246 case X(MOD.MODshared, MOD.MODinvariant): | |
| 1247 ito = t; | |
| 1248 goto L4; | |
| 1249 | |
| 1250 case X(MOD.MODshared, MOD.MODshared | MOD.MODconst): | |
| 1251 scto = t; | |
| 1252 L4: | |
| 1253 t.sto = this; | |
| 1254 break; | |
| 1255 | |
| 1256 | |
| 1257 case X(MOD.MODshared | MOD.MODconst, MOD.MODundefined): | |
| 1258 scto = null; | |
| 1259 break; | |
| 1260 | |
| 1261 case X(MOD.MODshared | MOD.MODconst, MOD.MODconst): | |
| 1262 cto = t; | |
| 1263 break; | |
| 1264 | |
| 1265 case X(MOD.MODshared | MOD.MODconst, MOD.MODinvariant): | |
| 1266 ito = t; | |
| 1267 break; | |
| 1268 | |
| 1269 case X(MOD.MODshared | MOD.MODconst, MOD.MODshared): | |
| 1270 sto = t; | |
| 1271 L5: | |
| 1272 t.scto = this; | |
| 1273 break; | |
| 1274 } | |
| 1275 | |
| 1276 check(); | |
| 1277 t.check(); | |
| 1278 //printf("fixTo: %s, %s\n", toChars(), t.toChars()); | |
| 1279 } | |
| 1280 | |
| 1281 /*************************** | |
| 1282 * Look for bugs in constructing types. | |
| 1283 */ | |
| 1284 void check() | |
| 1285 { | |
| 1286 switch (mod) | |
| 1287 { | |
| 1288 case MOD.MODundefined: | |
| 1289 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1290 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1291 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1292 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1293 break; | |
| 1294 | |
| 1295 case MOD.MODconst: | |
| 1296 if (cto) assert(cto.mod == MOD.MODundefined); | |
| 1297 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1298 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1299 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1300 break; | |
| 1301 | |
| 1302 case MOD.MODinvariant: | |
| 1303 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1304 if (ito) assert(ito.mod == MOD.MODundefined); | |
| 1305 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1306 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1307 break; | |
| 1308 | |
| 1309 case MOD.MODshared: | |
| 1310 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1311 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1312 if (sto) assert(sto.mod == MOD.MODundefined); | |
| 1313 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1314 break; | |
| 1315 | |
| 1316 case MOD.MODshared | MOD.MODconst: | |
| 1317 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1318 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1319 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1320 if (scto) assert(scto.mod == MOD.MODundefined); | |
| 1321 break; | |
| 1322 } | |
| 1323 | |
| 1324 Type tn = nextOf(); | |
| 1325 if (tn && ty != TY.Tfunction && ty != TY.Tdelegate) | |
| 1326 { | |
| 1327 // Verify transitivity | |
| 1328 switch (mod) | |
| 1329 { | |
| 1330 case MOD.MODundefined: | |
| 1331 break; | |
| 1332 | |
| 1333 case MOD.MODconst: | |
| 1334 assert(tn.mod & MOD.MODinvariant || tn.mod & MOD.MODconst); | |
| 1335 break; | |
| 1336 | |
| 1337 case MOD.MODinvariant: | |
| 1338 assert(tn.mod == MOD.MODinvariant); | |
| 1339 break; | |
| 1340 | |
| 1341 case MOD.MODshared: | |
| 1342 assert(tn.mod & MOD.MODinvariant || tn.mod & MOD.MODshared); | |
| 1343 break; | |
| 1344 | |
| 1345 case MOD.MODshared | MOD.MODconst: | |
| 1346 assert(tn.mod & MOD.MODinvariant || tn.mod & (MOD.MODshared | MOD.MODconst)); | |
| 1347 break; | |
| 1348 } | |
| 1349 tn.check(); | |
| 1350 } | |
| 1351 } | |
| 1352 | |
| 51 | 1353 /************************************ |
| 1354 * Apply MODxxxx bits to existing type. | |
| 1355 */ | |
| 0 | 1356 Type castMod(uint mod) |
| 1357 { | |
| 51 | 1358 Type t; |
| 1359 | |
| 1360 switch (mod) | |
| 1361 { | |
| 1362 case 0: | |
| 1363 t = mutableOf(); | |
| 1364 break; | |
| 1365 | |
| 1366 case MODconst: | |
| 1367 t = constOf(); | |
| 1368 break; | |
| 1369 | |
| 1370 case MODinvariant: | |
| 1371 t = invariantOf(); | |
| 1372 break; | |
| 1373 | |
| 1374 case MODshared: | |
| 1375 t = sharedOf(); | |
| 1376 break; | |
| 1377 | |
| 1378 case MODshared | MODconst: | |
| 1379 t = sharedConstOf(); | |
| 1380 break; | |
| 1381 | |
| 1382 default: | |
| 1383 assert(0); | |
| 1384 } | |
| 1385 return t; | |
| 0 | 1386 } |
| 1387 | |
| 1388 /************************************ | |
| 1389 * Add MODxxxx bits to existing type. | |
| 1390 * We're adding, not replacing, so adding const to | |
| 1391 * a shared type => "shared const" | |
| 1392 */ | |
| 1393 Type addMod(MOD mod) | |
| 1394 { | |
| 1395 Type t = this; | |
| 1396 | |
| 1397 /* Add anything to immutable, and it remains immutable | |
| 1398 */ | |
| 1399 if (!t.isInvariant()) | |
| 1400 { | |
| 1401 switch (mod) | |
| 1402 { | |
| 1403 case MOD.MODundefined: | |
| 1404 break; | |
| 1405 | |
| 1406 case MOD.MODconst: | |
| 1407 if (isShared()) | |
| 1408 t = sharedConstOf(); | |
| 1409 else | |
| 1410 t = constOf(); | |
| 1411 break; | |
| 1412 | |
| 1413 case MOD.MODinvariant: | |
| 1414 t = invariantOf(); | |
| 1415 break; | |
| 1416 | |
| 1417 case MOD.MODshared: | |
| 1418 if (isConst()) | |
| 1419 t = sharedConstOf(); | |
| 1420 else | |
| 1421 t = sharedOf(); | |
| 1422 break; | |
| 1423 | |
| 1424 case MOD.MODshared | MOD.MODconst: | |
| 1425 t = sharedConstOf(); | |
| 1426 break; | |
| 1427 } | |
| 1428 } | |
| 1429 return t; | |
| 1430 } | |
| 1431 | |
|
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130
diff
changeset
|
1432 Type addStorageClass(StorageClass stc) |
| 0 | 1433 { |
| 1434 /* Just translate to MOD bits and let addMod() do the work | |
| 1435 */ | |
| 1436 MOD mod = MOD.MODundefined; | |
| 1437 | |
| 1438 if (stc & STC.STCimmutable) | |
| 1439 mod = MOD.MODinvariant; | |
| 1440 else | |
| 1441 { | |
| 1442 if (stc & (STC.STCconst | STC.STCin)) | |
| 1443 mod = MOD.MODconst; | |
| 1444 if (stc & STC.STCshared) | |
| 1445 mod |= MOD.MODshared; | |
| 1446 } | |
| 1447 | |
| 1448 return addMod(mod); | |
| 1449 } | |
| 1450 | |
| 1451 Type pointerTo() | |
| 1452 { | |
| 1453 if (pto is null) | |
| 1454 { | |
| 1455 Type t = new TypePointer(this); | |
| 1456 pto = t.merge(); | |
| 1457 } | |
| 1458 | |
| 1459 return pto; | |
| 1460 } | |
| 1461 | |
| 1462 Type referenceTo() | |
| 1463 { | |
| 1464 assert(false); | |
| 1465 } | |
| 1466 | |
| 1467 version (DumbClone) { | |
| 1468 final Type clone() | |
| 1469 { | |
| 1470 auto size = this.classinfo.init.length; | |
| 2 | 1471 auto ptr = GC.malloc(size); |
| 0 | 1472 memcpy(ptr, cast(void*)this, size); |
| 1473 | |
| 1474 return cast(Type)ptr; | |
| 1475 } | |
| 1476 } else { | |
| 1477 final Type cloneTo(Type t) | |
| 1478 { | |
| 1479 t.ctype = ctype; | |
| 1480 return t; | |
| 1481 } | |
| 1482 | |
| 1483 Type clone() | |
| 1484 { | |
| 1485 assert(this.classinfo is Type.classinfo); | |
| 1486 return cloneTo(new Type(ty)); | |
| 1487 } | |
| 1488 } | |
| 1489 | |
| 1490 Type arrayOf() | |
| 1491 { | |
| 1492 if (!arrayof) | |
| 1493 { | |
| 1494 Type t = new TypeDArray(this); | |
| 1495 arrayof = t.merge(); | |
| 1496 } | |
| 1497 return arrayof; | |
| 1498 } | |
| 1499 | |
| 1500 Type makeConst() | |
| 1501 { | |
| 1502 //printf("Type.makeConst() %p, %s\n", this, toChars()); | |
| 1503 if (cto) | |
| 1504 return cto; | |
| 1505 | |
| 1506 Type t = clone(); | |
| 1507 t.mod = MOD.MODconst; | |
| 1508 | |
| 1509 t.deco = null; | |
| 1510 t.arrayof = null; | |
| 1511 t.pto = null; | |
| 1512 t.rto = null; | |
| 1513 t.cto = null; | |
| 1514 t.ito = null; | |
| 1515 t.sto = null; | |
| 1516 t.scto = null; | |
| 1517 t.vtinfo = null; | |
| 1518 | |
| 1519 //printf("-Type.makeConst() %p, %s\n", t, toChars()); | |
| 1520 return t; | |
| 1521 } | |
| 1522 | |
| 1523 Type makeInvariant() | |
| 1524 { | |
| 1525 if (ito) { | |
| 1526 return ito; | |
| 1527 } | |
| 1528 | |
| 1529 Type t = clone(); | |
| 1530 t.mod = MOD.MODinvariant; | |
| 1531 | |
| 1532 t.deco = null; | |
| 1533 t.arrayof = null; | |
| 1534 t.pto = null; | |
| 1535 t.rto = null; | |
| 1536 t.cto = null; | |
| 1537 t.ito = null; | |
| 1538 t.sto = null; | |
| 1539 t.scto = null; | |
| 1540 t.vtinfo = null; | |
| 1541 | |
| 1542 return t; | |
| 1543 } | |
| 1544 | |
| 1545 Type makeShared() | |
| 1546 { | |
| 1547 if (sto) | |
| 1548 return sto; | |
| 1549 | |
| 1550 Type t = clone(); | |
| 1551 t.mod = MOD.MODshared; | |
| 1552 | |
| 1553 t.deco = null; | |
| 1554 t.arrayof = null; | |
| 1555 t.pto = null; | |
| 1556 t.rto = null; | |
| 1557 t.cto = null; | |
| 1558 t.ito = null; | |
| 1559 t.sto = null; | |
| 1560 t.scto = null; | |
| 1561 t.vtinfo = null; | |
| 1562 | |
| 1563 return t; | |
| 1564 } | |
| 1565 | |
| 1566 Type makeSharedConst() | |
| 1567 { | |
| 1568 if (scto) | |
| 1569 return scto; | |
| 1570 | |
| 1571 Type t = clone(); | |
| 1572 t.mod = MODshared | MODconst; | |
| 1573 | |
| 1574 t.deco = null; | |
| 1575 t.arrayof = null; | |
| 1576 t.pto = null; | |
| 1577 t.rto = null; | |
| 1578 t.cto = null; | |
| 1579 t.ito = null; | |
| 1580 t.sto = null; | |
| 1581 t.scto = null; | |
| 1582 t.vtinfo = null; | |
| 1583 | |
| 1584 return t; | |
| 1585 } | |
| 1586 | |
| 1587 Dsymbol toDsymbol(Scope sc) | |
| 1588 { | |
| 1589 return null; | |
| 1590 } | |
| 1591 | |
| 1592 /******************************* | |
| 1593 * If this is a shell around another type, | |
| 1594 * get that other type. | |
| 1595 */ | |
| 1596 | |
| 1597 Type toBasetype() | |
| 1598 { | |
| 1599 return this; | |
| 1600 } | |
| 1601 | |
| 1602 /************************** | |
| 1603 * Return type with the top level of it being mutable. | |
| 1604 */ | |
| 1605 Type toHeadMutable() | |
| 1606 { | |
| 1607 if (!mod) | |
| 1608 return this; | |
| 1609 | |
| 1610 return mutableOf(); | |
| 1611 } | |
| 1612 | |
| 1613 bool isBaseOf(Type t, int* poffset) | |
| 1614 { | |
| 1615 return false; // assume not | |
| 1616 } | |
| 1617 | |
| 1618 /******************************* | |
| 1619 * Determine if converting 'this' to 'to' is an identity operation, | |
| 1620 * a conversion to const operation, or the types aren't the same. | |
| 1621 * Returns: | |
| 1622 * MATCHequal 'this' == 'to' | |
| 1623 * MATCHconst 'to' is const | |
| 1624 * MATCHnomatch conversion to mutable or invariant | |
| 1625 */ | |
| 1626 MATCH constConv(Type to) | |
| 1627 { | |
| 1628 if (equals(to)) | |
| 1629 return MATCH.MATCHexact; | |
| 1630 if (ty == to.ty && to.mod == MOD.MODconst) | |
| 1631 return MATCH.MATCHconst; | |
| 1632 return MATCH.MATCHnomatch; | |
| 1633 } | |
| 1634 | |
| 1635 /******************************** | |
| 1636 * Determine if 'this' can be implicitly converted | |
| 1637 * to type 'to'. | |
| 1638 * Returns: | |
| 1639 * MATCHnomatch, MATCHconvert, MATCHconst, MATCHexact | |
| 1640 */ | |
| 1641 MATCH implicitConvTo(Type to) | |
| 1642 { | |
| 1643 //printf("Type.implicitConvTo(this=%p, to=%p)\n", this, to); | |
| 1644 //printf("from: %s\n", toChars()); | |
| 1645 //printf("to : %s\n", to.toChars()); | |
| 1646 if (this is to) | |
| 1647 return MATCHexact; | |
| 1648 | |
| 1649 return MATCHnomatch; | |
| 1650 } | |
| 1651 | |
| 1652 ClassDeclaration isClassHandle() | |
| 1653 { | |
| 1654 return null; | |
| 1655 } | |
| 1656 | |
| 1657 Expression getProperty(Loc loc, Identifier ident) | |
| 1658 { | |
| 1659 Expression e; | |
| 1660 | |
| 1661 version (LOGDOTEXP) { | |
| 1662 printf("Type.getProperty(type = '%s', ident = '%s')\n", toChars(), ident.toChars()); | |
| 1663 } | |
| 1664 if (ident == Id.__sizeof) | |
| 1665 { | |
| 1666 e = new IntegerExp(loc, size(loc), Type.tsize_t); | |
| 1667 } | |
| 1668 else if (ident == Id.size) | |
| 1669 { | |
| 1670 error(loc, ".size property should be replaced with .sizeof"); | |
| 1671 e = new ErrorExp(); | |
| 1672 } | |
| 1673 else if (ident is Id.alignof_) | |
| 1674 { | |
| 1675 e = new IntegerExp(loc, alignsize(), Type.tsize_t); | |
| 1676 } | |
| 1677 else if (ident == Id.typeinfo_) | |
| 1678 { | |
| 1679 if (!global.params.useDeprecated) | |
| 1680 error(loc, ".typeinfo deprecated, use typeid(type)"); | |
| 1681 e = getTypeInfo(null); | |
| 1682 } | |
| 1683 else if (ident == Id.init_) | |
| 1684 { | |
| 1685 if (ty == TY.Tvoid) | |
| 1686 error(loc, "void does not have an initializer"); | |
| 1687 e = defaultInit(loc); | |
| 1688 } | |
| 1689 else if (ident is Id.mangleof_) | |
| 1690 { | |
| 1691 string s; | |
| 1692 if (!deco) { | |
| 1693 s = toChars(); | |
| 1694 error(loc, "forward reference of type %s.mangleof", s); | |
| 1695 } else { | |
| 1696 s = deco; | |
| 1697 } | |
| 1698 | |
| 1699 e = new StringExp(loc, s, 'c'); | |
|
87
b17640f0e4e8
Fixed a bug with a Scope.this(Scope enclosing) being called instead of Scope.clone() method (as a copy ctor replacement)
korDen
parents:
79
diff
changeset
|
1700 scope Scope sc = new Scope(); |
| 0 | 1701 e = e.semantic(sc); |
| 1702 } | |
| 1703 else if (ident is Id.stringof_) | |
| 1704 { | |
| 1705 string s = toChars(); | |
| 1706 e = new StringExp(loc, s, 'c'); | |
|
87
b17640f0e4e8
Fixed a bug with a Scope.this(Scope enclosing) being called instead of Scope.clone() method (as a copy ctor replacement)
korDen
parents:
79
diff
changeset
|
1707 scope Scope sc = new Scope(); |
| 0 | 1708 e = e.semantic(sc); |
| 1709 } | |
| 1710 else | |
| 1711 { | |
| 1712 error(loc, "no property '%s' for type '%s'", ident.toChars(), toChars()); | |
| 1713 e = new ErrorExp(); | |
| 1714 } | |
| 1715 return e; | |
| 1716 } | |
| 1717 | |
| 1718 Expression dotExp(Scope sc, Expression e, Identifier ident) | |
| 1719 { | |
| 1720 VarDeclaration v = null; | |
| 1721 | |
| 1722 version (LOGDOTEXP) { | |
| 1723 printf("Type.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 1724 } | |
| 1725 if (e.op == TOK.TOKdotvar) | |
| 1726 { | |
| 1727 DotVarExp dv = cast(DotVarExp)e; | |
| 1728 v = dv.var.isVarDeclaration(); | |
| 1729 } | |
| 1730 else if (e.op == TOK.TOKvar) | |
| 1731 { | |
| 1732 VarExp ve = cast(VarExp)e; | |
| 1733 v = ve.var.isVarDeclaration(); | |
| 1734 } | |
| 1735 if (v) | |
| 1736 { | |
| 1737 if (ident is Id.offset) | |
| 1738 { | |
| 1739 if (!global.params.useDeprecated) | |
| 1740 error(e.loc, ".offset deprecated, use .offsetof"); | |
| 1741 goto Loffset; | |
| 1742 } | |
| 1743 else if (ident is Id.offsetof) | |
| 1744 { | |
| 1745 Loffset: | |
| 1746 if (v.storage_class & STC.STCfield) | |
| 1747 { | |
| 1748 e = new IntegerExp(e.loc, v.offset, Type.tsize_t); | |
| 1749 return e; | |
| 1750 } | |
| 1751 } | |
| 1752 else if (ident is Id.init_) | |
| 1753 { | |
| 1754 static if (false) { | |
| 1755 if (v.init) | |
| 1756 { | |
| 1757 if (v.init.isVoidInitializer()) | |
| 1758 error(e.loc, "%s.init is void", v.toChars()); | |
| 1759 else | |
| 1760 { Loc loc = e.loc; | |
| 1761 e = v.init.toExpression(); | |
| 1762 if (e.op == TOK.TOKassign || e.op == TOK.TOKconstruct || e.op == TOK.TOKblit) | |
| 1763 { | |
| 1764 e = (cast(AssignExp)e).e2; | |
| 1765 | |
| 1766 /* Take care of case where we used a 0 | |
| 1767 * to initialize the struct. | |
| 1768 */ | |
| 1769 if (e.type == Type.tint32 && | |
| 1770 e.isBool(0) && | |
| 1771 v.type.toBasetype().ty == TY.Tstruct) | |
| 1772 { | |
| 1773 e = v.type.defaultInit(e.loc); | |
| 1774 } | |
| 1775 } | |
| 1776 e = e.optimize(WANTvalue | WANTinterpret); | |
| 1777 // if (!e.isConst()) | |
| 1778 // error(loc, ".init cannot be evaluated at compile time"); | |
| 1779 } | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1780 goto Lreturn; |
| 0 | 1781 } |
| 1782 } | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1783 e = defaultInit(e.loc); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1784 goto Lreturn; |
| 0 | 1785 } |
| 1786 } | |
| 1787 if (ident is Id.typeinfo_) | |
| 1788 { | |
| 1789 if (!global.params.useDeprecated) | |
| 1790 error(e.loc, ".typeinfo deprecated, use typeid(type)"); | |
| 1791 e = getTypeInfo(sc); | |
| 1792 } | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
1793 else if (ident is Id.stringof_) |
| 0 | 1794 { |
| 1795 string s = e.toChars(); | |
| 1796 e = new StringExp(e.loc, s, 'c'); | |
| 1797 } | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
1798 else |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1799 e = getProperty(e.loc, ident); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1800 |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1801 Lreturn: |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
1802 e = e.semantic(sc); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
1803 return e; |
| 0 | 1804 } |
| 1805 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1806 /*************************************** |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
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diff
changeset
|
1807 * Figures out what to do with an undefined member reference |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1808 * for classes and structs. |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1809 */ |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
1810 Expression noMember(Scope sc, Expression e, Identifier ident) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1811 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
1812 assert(ty == TY.Tstruct || ty == TY.Tclass); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1813 AggregateDeclaration sym = toDsymbol(sc).isAggregateDeclaration(); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
|
1814 assert(sym); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
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changeset
|
1815 |
|
131
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dmdfe 2.037 compiles now
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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changeset
|
1816 if (ident !is Id.__sizeof && |
|
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1817 ident !is Id.alignof_ && |
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1818 ident !is Id.init_ && |
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1819 ident !is Id.mangleof_ && |
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1820 ident !is Id.stringof_ && |
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1821 ident !is Id.offsetof) |
|
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1822 { |
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1823 /* See if we should forward to the alias this. |
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1824 */ |
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1825 if (sym.aliasthis) |
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1826 { /* Rewrite e.ident as: |
|
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1827 * e.aliasthis.ident |
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1828 */ |
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1829 e = new DotIdExp(e.loc, e, sym.aliasthis.ident); |
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1830 e = new DotIdExp(e.loc, e, ident); |
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1831 return e.semantic(sc); |
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1832 } |
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1833 |
|
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1834 /* Look for overloaded opDot() to see if we should forward request |
|
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1835 * to it. |
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1836 */ |
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1837 Dsymbol fd = search_function(sym, Id.opDot); |
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1838 if (fd) |
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1839 { /* Rewrite e.ident as: |
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1840 * e.opDot().ident |
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1841 */ |
|
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1842 e = build_overload(e.loc, sc, e, null, fd.ident); |
|
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1843 e = new DotIdExp(e.loc, e, ident); |
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1844 return e.semantic(sc); |
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1845 } |
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1846 |
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1847 /* Look for overloaded opDispatch to see if we should forward request |
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1848 * to it. |
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1849 */ |
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1850 fd = search_function(sym, Id.opDispatch); |
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1851 if (fd) |
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1852 { |
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1853 /* Rewrite e.ident as: |
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1854 * e.opDispatch!("ident") |
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1855 */ |
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1856 TemplateDeclaration td = fd.isTemplateDeclaration(); |
|
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1857 if (!td) |
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1858 { |
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1859 fd.error("must be a template opDispatch(string s), not a %s", fd.kind()); |
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1860 return new ErrorExp(); |
|
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1861 } |
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1862 auto se = new StringExp(e.loc, ident.toChars()); |
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1863 auto tiargs = new Objects(); |
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1864 tiargs.push(se); |
|
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1865 e = new DotTemplateInstanceExp(e.loc, e, Id.opDispatch, tiargs); |
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1866 (cast(DotTemplateInstanceExp)e).ti.tempdecl = td; |
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1867 return e; |
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1868 //return e.semantic(sc); |
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1869 } |
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1870 } |
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1871 |
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1872 return Type.dotExp(sc, e, ident); |
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1873 } |
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1874 |
| 0 | 1875 uint memalign(uint salign) |
| 1876 { | |
| 1877 return salign; | |
| 1878 } | |
| 1879 | |
| 1880 ///Expression defaultInit(Loc loc = Loc(0)) | |
| 1881 Expression defaultInit(Loc loc) | |
| 1882 { | |
| 1883 assert(false); | |
| 1884 } | |
| 1885 | |
| 1886 ///bool isZeroInit(Loc loc = Loc(0)) // if initializer is 0 | |
| 1887 bool isZeroInit(Loc loc) // if initializer is 0 | |
| 1888 { | |
| 1889 assert(false); | |
| 1890 } | |
| 1891 | |
| 1892 dt_t** toDt(dt_t** pdt) | |
| 1893 { | |
| 1894 //printf("Type.toDt()\n"); | |
| 1895 Expression e = defaultInit(Loc(0)); | |
| 1896 return e.toDt(pdt); | |
| 1897 } | |
| 1898 | |
| 1899 Identifier getTypeInfoIdent(int internal) | |
| 1900 { | |
| 1901 // _init_10TypeInfo_%s | |
| 1902 scope OutBuffer buf = new OutBuffer(); | |
| 1903 Identifier id; | |
| 1904 char* name; | |
| 1905 int len; | |
| 1906 | |
| 1907 if (internal) | |
| 1908 { | |
| 1909 buf.writeByte(mangleChar[ty]); | |
| 1910 if (ty == TY.Tarray) | |
| 1911 buf.writeByte(mangleChar[(cast(TypeArray)this).next.ty]); | |
| 1912 } | |
| 1913 else | |
| 1914 toDecoBuffer(buf); | |
| 1915 | |
| 1916 len = buf.offset; | |
|
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Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
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|
1917 version (Bug4054) |
|
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1918 name = cast(char*)GC.malloc(19 + len.sizeof * 3 + len + 1); |
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|
1919 else |
| 0 | 1920 name = cast(char*)alloca(19 + len.sizeof * 3 + len + 1); |
| 1921 buf.writeByte(0); | |
| 1922 version (TARGET_OSX) { | |
| 1923 // The LINKc will prepend the _ | |
| 1924 len = sprintf(name, "D%dTypeInfo_%s6__initZ".ptr, 9 + len, buf.data); | |
| 1925 } else { | |
| 1926 len = sprintf(name, "_D%dTypeInfo_%s6__initZ".ptr, 9 + len, buf.data); | |
| 1927 } | |
| 1928 if (global.params.isWindows) | |
| 1929 name++; // C mangling will add it back in | |
| 1930 //printf("name = %s\n", name); | |
| 1931 id = Lexer.idPool(name[0..len-1].idup); | |
| 1932 return id; | |
| 1933 } | |
| 1934 | |
| 1935 /* These form the heart of template argument deduction. | |
| 1936 * Given 'this' being the type argument to the template instance, | |
| 1937 * it is matched against the template declaration parameter specialization | |
| 1938 * 'tparam' to determine the type to be used for the parameter. | |
| 1939 * Example: | |
| 1940 * template Foo(T:T*) // template declaration | |
| 1941 * Foo!(int*) // template instantiation | |
| 1942 * Input: | |
| 1943 * this = int* | |
| 1944 * tparam = T | |
| 1945 * parameters = [ T:T* ] // Array of TemplateParameter's | |
| 1946 * Output: | |
| 1947 * dedtypes = [ int ] // Array of Expression/Type's | |
| 1948 */ | |
| 1949 MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) | |
| 1950 { | |
| 98 | 1951 static if (false) |
| 1952 { | |
| 0 | 1953 printf("Type.deduceType()\n"); |
| 1954 printf("\tthis = %d, ", ty); print(); | |
| 1955 printf("\ttparam = %d, ", tparam.ty); tparam.print(); | |
| 1956 } | |
| 1957 if (!tparam) | |
| 1958 goto Lnomatch; | |
| 1959 | |
| 1960 if (this == tparam) | |
| 1961 goto Lexact; | |
| 1962 | |
| 1963 if (tparam.ty == Tident) | |
| 1964 { | |
| 1965 // Determine which parameter tparam is | |
| 1966 int i = templateParameterLookup(tparam, parameters); | |
| 1967 if (i == -1) | |
| 1968 { | |
| 1969 if (!sc) | |
| 1970 goto Lnomatch; | |
| 1971 | |
| 1972 /* Need a loc to go with the semantic routine. | |
| 1973 */ | |
| 1974 Loc loc; | |
| 1975 if (parameters.dim) | |
| 1976 { | |
|
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1977 auto tp = parameters[0]; |
| 0 | 1978 loc = tp.loc; |
| 1979 } | |
| 1980 | |
| 1981 /* BUG: what if tparam is a template instance, that | |
| 1982 * has as an argument another Tident? | |
| 1983 */ | |
| 1984 tparam = tparam.semantic(loc, sc); | |
| 1985 assert(tparam.ty != Tident); | |
| 1986 return deduceType(sc, tparam, parameters, dedtypes); | |
| 1987 } | |
| 1988 | |
|
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1989 auto tp = parameters[i]; |
| 0 | 1990 |
| 1991 // Found the corresponding parameter tp | |
| 1992 if (!tp.isTemplateTypeParameter()) | |
| 1993 goto Lnomatch; | |
| 1994 Type tt = this; | |
|
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More cleanup for arrays
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1995 Type at = cast(Type)dedtypes[i]; |
| 0 | 1996 |
| 98 | 1997 // 5*5 == 25 cases |
| 1998 static pure int X(int U, int T) { return ((U << 3) | T); } | |
| 1999 | |
| 2000 switch (X(tparam.mod, mod)) | |
| 2001 { | |
| 2002 case X(0, 0): | |
| 2003 case X(0, MODconst): | |
| 2004 case X(0, MODinvariant): | |
| 2005 case X(0, MODshared): | |
| 2006 case X(0, MODconst | MODshared): | |
| 2007 // foo(U:U) T => T | |
| 2008 // foo(U:U) const(T) => const(T) | |
| 2009 // foo(U:U) immutable(T) => immutable(T) | |
| 2010 // foo(U:U) shared(T) => shared(T) | |
| 2011 // foo(U:U) const(shared(T)) => const(shared(T)) | |
| 0 | 2012 if (!at) |
| 110 | 2013 { dedtypes[i] = tt; |
| 0 | 2014 goto Lexact; |
| 2015 } | |
| 98 | 2016 break; |
| 2017 | |
| 2018 case X(MODconst, MODconst): | |
| 2019 case X(MODinvariant, MODinvariant): | |
| 2020 case X(MODshared, MODshared): | |
| 2021 case X(MODconst | MODshared, MODconst | MODshared): | |
| 2022 // foo(U:const(U)) const(T) => T | |
| 2023 // foo(U:immutable(U)) immutable(T) => T | |
| 2024 // foo(U:shared(U)) shared(T) => T | |
| 2025 // foo(U:const(shared(U)) const(shared(T))=> T | |
| 2026 tt = mutableOf().unSharedOf(); | |
| 0 | 2027 if (!at) |
| 110 | 2028 { |
|
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|
2029 dedtypes[i] = tt; |
| 0 | 2030 goto Lexact; |
| 2031 } | |
| 98 | 2032 break; |
| 2033 | |
| 2034 case X(MODconst, 0): | |
| 2035 case X(MODconst, MODimmutable): | |
| 2036 case X(MODconst, MODconst | MODshared): | |
| 2037 case X(MODconst | MODshared, MODimmutable): | |
| 2038 // foo(U:const(U)) T => T | |
| 2039 // foo(U:const(U)) immutable(T) => T | |
| 2040 // foo(U:const(U)) const(shared(T)) => shared(T) | |
| 2041 // foo(U:const(shared(U)) immutable(T) => T | |
| 0 | 2042 tt = mutableOf(); |
| 2043 if (!at) | |
| 110 | 2044 { dedtypes[i] = tt; |
| 98 | 2045 goto Lconst; |
| 0 | 2046 } |
| 98 | 2047 break; |
| 2048 | |
| 2049 case X(MODshared, MODconst | MODshared): | |
| 2050 case X(MODconst | MODshared, MODshared): | |
| 2051 // foo(U:shared(U)) const(shared(T)) => const(T) | |
| 2052 // foo(U:const(shared(U)) shared(T) => T | |
| 2053 tt = unSharedOf(); | |
| 0 | 2054 if (!at) |
| 110 | 2055 { dedtypes[i] = tt; |
| 0 | 2056 goto Lconst; |
| 2057 } | |
| 98 | 2058 break; |
| 2059 | |
| 2060 case X(MODimmutable, 0): | |
| 2061 case X(MODimmutable, MODconst): | |
| 2062 case X(MODimmutable, MODshared): | |
| 2063 case X(MODimmutable, MODconst | MODshared): | |
| 2064 case X(MODconst, MODshared): | |
| 2065 case X(MODshared, 0): | |
| 2066 case X(MODshared, MODconst): | |
| 2067 case X(MODshared, MODimmutable): | |
| 2068 case X(MODconst | MODshared, 0): | |
| 2069 case X(MODconst | MODshared, MODconst): | |
| 2070 // foo(U:immutable(U)) T => nomatch | |
| 2071 // foo(U:immutable(U)) const(T) => nomatch | |
| 2072 // foo(U:immutable(U)) shared(T) => nomatch | |
| 2073 // foo(U:immutable(U)) const(shared(T)) => nomatch | |
| 2074 // foo(U:const(U)) shared(T) => nomatch | |
| 2075 // foo(U:shared(U)) T => nomatch | |
| 2076 // foo(U:shared(U)) const(T) => nomatch | |
| 2077 // foo(U:shared(U)) immutable(T) => nomatch | |
| 2078 // foo(U:const(shared(U)) T => nomatch | |
| 2079 // foo(U:const(shared(U)) const(T) => nomatch | |
| 2080 //if (!at) | |
| 0 | 2081 goto Lnomatch; |
| 98 | 2082 break; |
| 2083 | |
| 2084 default: | |
| 2085 assert(0); | |
| 0 | 2086 } |
| 2087 | |
| 2088 if (tt.equals(at)) | |
| 2089 goto Lexact; | |
| 2090 else if (tt.ty == Tclass && at.ty == Tclass) | |
| 2091 { | |
| 2092 return tt.implicitConvTo(at); | |
| 2093 } | |
| 2094 else if (tt.ty == Tsarray && at.ty == Tarray && | |
| 2095 tt.nextOf().implicitConvTo(at.nextOf()) >= MATCHconst) | |
| 2096 { | |
| 2097 goto Lexact; | |
| 2098 } | |
| 2099 else | |
| 2100 goto Lnomatch; | |
| 2101 } | |
| 2102 | |
| 2103 if (ty != tparam.ty) | |
| 2104 return implicitConvTo(tparam); | |
| 2105 // goto Lnomatch; | |
| 2106 | |
| 2107 if (nextOf()) | |
| 2108 return nextOf().deduceType(sc, tparam.nextOf(), parameters, dedtypes); | |
| 2109 | |
| 2110 Lexact: | |
| 2111 return MATCHexact; | |
| 2112 | |
| 2113 Lnomatch: | |
| 2114 return MATCHnomatch; | |
| 2115 | |
| 2116 version (DMDV2) { | |
| 2117 Lconst: | |
| 2118 return MATCHconst; | |
| 2119 } | |
| 2120 } | |
| 2121 | |
| 2122 void resolve(Loc loc, Scope sc, Expression* pe, Type* pt, Dsymbol* ps) | |
| 2123 { | |
| 2124 //printf("Type.resolve() %s, %d\n", toChars(), ty); | |
| 2125 Type t = semantic(loc, sc); | |
| 2126 *pt = t; | |
| 2127 *pe = null; | |
| 2128 *ps = null; | |
| 2129 } | |
| 2130 | |
| 2131 /******************************************* | |
| 2132 * Get a canonicalized form of the TypeInfo for use with the internal | |
| 2133 * runtime library routines. Canonicalized in that static arrays are | |
| 2134 * represented as dynamic arrays, enums are represented by their | |
| 2135 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
| 2136 * so we can use the custom internal ones more. | |
| 2137 */ | |
| 2138 Expression getInternalTypeInfo(Scope sc) | |
| 2139 { | |
| 2140 TypeInfoDeclaration tid; | |
| 2141 Expression e; | |
| 2142 Type t; | |
| 2143 static TypeInfoDeclaration internalTI[TMAX]; | |
| 2144 | |
| 2145 //printf("Type.getInternalTypeInfo() %s\n", toChars()); | |
| 2146 t = toBasetype(); | |
| 2147 switch (t.ty) | |
| 2148 { | |
| 2149 case Tsarray: | |
| 2150 static if (false) { | |
| 2151 // convert to corresponding dynamic array type | |
| 2152 t = t.nextOf().mutableOf().arrayOf(); | |
| 2153 } | |
| 2154 break; | |
| 2155 | |
| 2156 case Tclass: | |
| 2157 if ((cast(TypeClass)t).sym.isInterfaceDeclaration()) | |
| 2158 break; | |
| 2159 goto Linternal; | |
| 2160 | |
| 2161 case Tarray: | |
| 2162 // convert to corresponding dynamic array type | |
| 2163 t = t.nextOf().mutableOf().arrayOf(); | |
| 2164 if (t.nextOf().ty != Tclass) | |
| 2165 break; | |
| 2166 goto Linternal; | |
| 2167 | |
| 2168 case Tfunction: | |
| 2169 case Tdelegate: | |
| 2170 case Tpointer: | |
| 2171 Linternal: | |
| 2172 tid = internalTI[t.ty]; | |
| 2173 if (!tid) | |
| 2174 { | |
| 2175 tid = new TypeInfoDeclaration(t, 1); | |
| 2176 internalTI[t.ty] = tid; | |
| 2177 } | |
| 2178 e = new VarExp(Loc(0), tid); | |
| 2179 e = e.addressOf(sc); | |
| 2180 e.type = tid.type; // do this so we don't get redundant dereference | |
| 2181 return e; | |
| 2182 | |
| 2183 default: | |
| 2184 break; | |
| 2185 } | |
| 2186 //printf("\tcalling getTypeInfo() %s\n", t.toChars()); | |
| 2187 return t.getTypeInfo(sc); | |
| 2188 } | |
| 2189 | |
| 2190 /**************************************************** | |
| 2191 * Get the exact TypeInfo. | |
| 2192 */ | |
| 2193 Expression getTypeInfo(Scope sc) | |
| 2194 { | |
| 2195 Expression e; | |
| 2196 Type t; | |
| 2197 | |
| 2198 //printf("Type.getTypeInfo() %p, %s\n", this, toChars()); | |
| 2199 t = merge2(); // do this since not all Type's are merge'd | |
| 2200 if (!t.vtinfo) | |
| 2201 { | |
| 2202 version (DMDV2) { | |
| 2203 if (t.isShared()) // does both 'shared' and 'shared const' | |
| 2204 t.vtinfo = new TypeInfoSharedDeclaration(t); | |
| 2205 else if (t.isConst()) | |
| 2206 t.vtinfo = new TypeInfoConstDeclaration(t); | |
| 2207 else if (t.isInvariant()) | |
| 2208 t.vtinfo = new TypeInfoInvariantDeclaration(t); | |
| 2209 else | |
| 2210 t.vtinfo = t.getTypeInfoDeclaration(); | |
| 2211 } else { | |
| 2212 t.vtinfo = t.getTypeInfoDeclaration(); | |
| 2213 } | |
| 2214 assert(t.vtinfo); | |
| 2215 vtinfo = t.vtinfo; | |
| 2216 | |
| 2217 /* If this has a custom implementation in std/typeinfo, then | |
| 2218 * do not generate a COMDAT for it. | |
| 2219 */ | |
| 2220 if (!t.builtinTypeInfo()) | |
| 2221 { | |
| 2222 // Generate COMDAT | |
| 2223 if (sc) // if in semantic() pass | |
| 2224 { | |
| 2225 // Find module that will go all the way to an object file | |
| 2226 Module m = sc.module_.importedFrom; | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
73
diff
changeset
|
2227 m.members.push(t.vtinfo); |
| 0 | 2228 } |
| 2229 else // if in obj generation pass | |
| 2230 { | |
| 2231 t.vtinfo.toObjFile(global.params.multiobj); | |
| 2232 } | |
| 2233 } | |
| 2234 } | |
| 2235 e = new VarExp(Loc(0), t.vtinfo); | |
| 2236 e = e.addressOf(sc); | |
| 2237 e.type = t.vtinfo.type; // do this so we don't get redundant dereference | |
| 2238 return e; | |
| 2239 } | |
| 2240 | |
| 2241 TypeInfoDeclaration getTypeInfoDeclaration() | |
| 2242 { | |
| 2243 //printf("Type.getTypeInfoDeclaration() %s\n", toChars()); | |
| 2244 return new TypeInfoDeclaration(this, 0); | |
| 2245 } | |
| 2246 | |
| 2247 /* These decide if there's an instance for them already in std.typeinfo, | |
| 2248 * because then the compiler doesn't need to build one. | |
| 2249 */ | |
| 2250 bool builtinTypeInfo() | |
| 2251 { | |
| 2252 return false; | |
| 2253 } | |
| 2254 | |
| 2255 /******************************* | |
| 2256 * If one of the subtypes of this type is a TypeIdentifier, | |
| 2257 * i.e. it's an unresolved type, return that type. | |
| 2258 */ | |
| 2259 Type reliesOnTident() | |
| 2260 { | |
| 2261 return null; | |
| 2262 } | |
| 2263 | |
| 2264 Expression toExpression() | |
| 2265 { | |
| 2266 assert(false); | |
| 2267 } | |
| 2268 | |
| 2269 /*************************************** | |
| 2270 * Return true if type has pointers that need to | |
| 2271 * be scanned by the GC during a collection cycle. | |
| 2272 */ | |
| 2273 bool hasPointers() | |
| 2274 { | |
| 2275 return false; | |
| 2276 } | |
| 2277 | |
| 2278 /************************************* | |
| 2279 * If this is a type of something, return that something. | |
| 2280 */ | |
| 2281 Type nextOf() | |
| 2282 { | |
| 2283 return null; | |
| 2284 } | |
| 2285 | |
| 53 | 2286 /**************************************** |
| 2287 * Return the mask that an integral type will | |
| 2288 * fit into. | |
| 2289 */ | |
| 0 | 2290 ulong sizemask() |
| 2291 { | |
| 53 | 2292 ulong m; |
| 2293 | |
| 2294 switch (toBasetype().ty) | |
| 2295 { | |
| 2296 case Tbool: m = 1; break; | |
| 2297 case Tchar: | |
| 2298 case Tint8: | |
| 2299 case Tuns8: m = 0xFF; break; | |
| 2300 case Twchar: | |
| 2301 case Tint16: | |
| 2302 case Tuns16: m = 0xFFFFUL; break; | |
| 2303 case Tdchar: | |
| 2304 case Tint32: | |
| 2305 case Tuns32: m = 0xFFFFFFFFUL; break; | |
| 2306 case Tint64: | |
| 2307 case Tuns64: m = 0xFFFFFFFFFFFFFFFFUL; break; | |
| 2308 default: | |
| 2309 assert(0); | |
| 2310 } | |
| 2311 return m; | |
| 0 | 2312 } |
| 2313 | |
| 2314 static void error(T...)(Loc loc, string format, T t) | |
| 2315 { | |
| 2316 .error(loc, format, t); | |
| 2317 } | |
| 2318 | |
| 2319 static void warning(T...)(Loc loc, string format, T t) | |
| 2320 { | |
| 2321 assert(false); | |
| 2322 } | |
| 2323 | |
| 2324 // For backend | |
| 2325 /***************************** | |
| 2326 * Return back end type corresponding to D front end type. | |
| 2327 */ | |
| 2328 TYM totym() | |
| 2329 { | |
| 2330 TYM t; | |
| 2331 | |
| 2332 switch (ty) | |
| 2333 { | |
| 2334 case TY.Tvoid: t = TYM.TYvoid; break; | |
| 2335 case TY.Tint8: t = TYM.TYschar; break; | |
| 2336 case TY.Tuns8: t = TYM.TYuchar; break; | |
| 2337 case TY.Tint16: t = TYM.TYshort; break; | |
| 2338 case TY.Tuns16: t = TYM.TYushort; break; | |
| 2339 case TY.Tint32: t = TYM.TYint; break; | |
| 2340 case TY.Tuns32: t = TYM.TYuint; break; | |
| 2341 case TY.Tint64: t = TYM.TYllong; break; | |
| 2342 case TY.Tuns64: t = TYM.TYullong; break; | |
| 2343 case TY.Tfloat32: t = TYM.TYfloat; break; | |
| 2344 case TY.Tfloat64: t = TYM.TYdouble; break; | |
| 2345 case TY.Tfloat80: t = TYM.TYldouble; break; | |
| 2346 case TY.Timaginary32: t = TYM.TYifloat; break; | |
| 2347 case TY.Timaginary64: t = TYM.TYidouble; break; | |
| 2348 case TY.Timaginary80: t = TYM.TYildouble; break; | |
| 2349 case TY.Tcomplex32: t = TYM.TYcfloat; break; | |
| 2350 case TY.Tcomplex64: t = TYM.TYcdouble; break; | |
| 2351 case TY.Tcomplex80: t = TYM.TYcldouble; break; | |
| 2352 //case Tbit: t = TYM.TYuchar; break; | |
| 2353 case TY.Tbool: t = TYM.TYbool; break; | |
| 2354 case TY.Tchar: t = TYM.TYchar; break; | |
| 2355 version (XXX) { ///TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS | |
| 2356 case TY.Twchar: t = TYM.TYwchar_t; break; | |
| 2357 case TY.Tdchar: t = TYM.TYdchar; break; | |
| 2358 } else { | |
| 2359 case TY.Twchar: t = TYM.TYwchar_t; break; | |
| 2360 case TY.Tdchar: | |
| 2361 t = (global.params.symdebug == 1) ? TYM.TYdchar : TYM.TYulong; | |
| 2362 break; | |
| 2363 } | |
| 2364 | |
| 2365 case TY.Taarray: t = TYM.TYaarray; break; | |
| 2366 case TY.Tclass: | |
| 2367 case TY.Treference: | |
| 2368 case TY.Tpointer: t = TYM.TYnptr; break; | |
| 2369 case TY.Tdelegate: t = TYM.TYdelegate; break; | |
| 2370 case TY.Tarray: t = TYM.TYdarray; break; | |
| 98 | 2371 version(SARRAYVALUE) |
| 2372 { case TY.Tsarray: t = TYstruct; break;} | |
| 2373 else | |
| 2374 { case TY.Tsarray: t = TYM.TYarray; break;} | |
| 0 | 2375 case TY.Tstruct: t = TYM.TYstruct; break; |
| 2376 | |
| 2377 case TY.Tenum: | |
| 2378 case TY.Ttypedef: | |
| 2379 t = toBasetype().totym(); | |
| 2380 break; | |
| 2381 | |
| 2382 case TY.Tident: | |
| 2383 case TY.Ttypeof: | |
| 2384 debug { | |
| 2385 writef("ty = %d, '%s'\n", ty, toChars()); | |
| 2386 } | |
| 2387 error (Loc(0), "forward reference of %s", toChars()); | |
| 2388 t = TYM.TYint; | |
| 2389 break; | |
| 2390 | |
| 2391 default: | |
| 2392 debug { | |
| 2393 writef("ty = %d, '%s'\n", ty, toChars()); | |
| 2394 } | |
| 2395 assert(0); | |
| 2396 } | |
| 2397 | |
| 2398 version (DMDV2) { | |
| 2399 // Add modifiers | |
| 2400 switch (mod) | |
| 2401 { | |
| 2402 case MOD.MODundefined: | |
| 2403 break; | |
| 2404 case MOD.MODconst: | |
| 2405 t |= mTY.mTYconst; | |
| 2406 break; | |
| 2407 case MOD.MODinvariant: | |
| 2408 t |= mTY.mTYimmutable; | |
| 2409 break; | |
| 2410 case MOD.MODshared: | |
| 2411 t |= mTY.mTYshared; | |
| 2412 break; | |
| 2413 case MOD.MODshared | MOD.MODconst: | |
| 2414 t |= mTY.mTYshared | mTY.mTYconst; | |
| 2415 break; | |
| 2416 default: | |
| 2417 assert(0); | |
| 2418 } | |
| 2419 } | |
| 2420 | |
| 2421 return t; | |
| 2422 } | |
| 2423 | |
| 2424 /*************************************** | |
| 2425 * Convert from D type to C type. | |
| 2426 * This is done so C debug info can be generated. | |
| 2427 */ | |
| 2428 type* toCtype() | |
| 2429 { | |
| 2430 if (!ctype) | |
| 2431 { | |
| 2432 ctype = type_fake(totym()); | |
| 2433 ctype.Tcount++; | |
| 2434 } | |
| 2435 return ctype; | |
| 2436 } | |
| 2437 | |
| 2438 type* toCParamtype() | |
| 2439 { | |
| 2440 return toCtype(); | |
| 2441 } | |
| 2442 | |
| 2443 Symbol* toSymbol() | |
| 2444 { | |
| 2445 assert(false); | |
| 2446 } | |
| 2447 | |
| 2448 // For eliminating dynamic_cast | |
| 2449 TypeBasic isTypeBasic() | |
| 2450 { | |
| 2451 return null; | |
| 2452 } | |
| 2453 | |
| 2454 static Type tvoid() | |
| 2455 { | |
| 2456 return basic[TY.Tvoid]; | |
| 2457 } | |
| 2458 | |
| 2459 static Type tint8() | |
| 2460 { | |
| 2461 return basic[TY.Tint8]; | |
| 2462 } | |
| 2463 | |
| 2464 static Type tuns8() | |
| 2465 { | |
| 2466 return basic[TY.Tuns8]; | |
| 2467 } | |
| 2468 | |
| 2469 static Type tint16() | |
| 2470 { | |
| 2471 return basic[TY.Tint16]; | |
| 2472 } | |
| 2473 | |
| 2474 static Type tuns16() | |
| 2475 { | |
| 2476 return basic[TY.Tuns16]; | |
| 2477 } | |
| 2478 | |
| 2479 static Type tint32() | |
| 2480 { | |
| 2481 return basic[TY.Tint32]; | |
| 2482 } | |
| 2483 | |
| 2484 static Type tuns32() | |
| 2485 { | |
| 2486 return basic[TY.Tuns32]; | |
| 2487 } | |
| 2488 | |
| 2489 static Type tint64() | |
| 2490 { | |
| 2491 return basic[TY.Tint64]; | |
| 2492 } | |
| 2493 | |
| 2494 static Type tuns64() | |
| 2495 { | |
| 2496 return basic[TY.Tuns64]; | |
| 2497 } | |
| 2498 | |
| 2499 static Type tfloat32() | |
| 2500 { | |
| 2501 return basic[TY.Tfloat32]; | |
| 2502 } | |
| 2503 | |
| 2504 static Type tfloat64() | |
| 2505 { | |
| 2506 return basic[TY.Tfloat64]; | |
| 2507 } | |
| 2508 | |
| 2509 static Type tfloat80() | |
| 2510 { | |
| 2511 return basic[TY.Tfloat80]; | |
| 2512 } | |
| 2513 | |
| 2514 static Type timaginary32() | |
| 2515 { | |
| 2516 return basic[TY.Timaginary32]; | |
| 2517 } | |
| 2518 | |
| 2519 static Type timaginary64() | |
| 2520 { | |
| 2521 return basic[TY.Timaginary64]; | |
| 2522 } | |
| 2523 | |
| 2524 static Type timaginary80() | |
| 2525 { | |
| 2526 return basic[TY.Timaginary80]; | |
| 2527 } | |
| 2528 | |
| 2529 static Type tcomplex32() | |
| 2530 { | |
| 2531 return basic[TY.Tcomplex32]; | |
| 2532 } | |
| 2533 | |
| 2534 static Type tcomplex64() | |
| 2535 { | |
| 2536 return basic[TY.Tcomplex64]; | |
| 2537 } | |
| 2538 | |
| 2539 static Type tcomplex80() | |
| 2540 { | |
| 2541 return basic[TY.Tcomplex80]; | |
| 2542 } | |
| 2543 | |
| 2544 static Type tbit() | |
| 2545 { | |
| 2546 return basic[TY.Tbit]; | |
| 2547 } | |
| 2548 | |
| 2549 static Type tbool() | |
| 2550 { | |
| 2551 return basic[TY.Tbool]; | |
| 2552 } | |
| 2553 | |
| 2554 static Type tchar() | |
| 2555 { | |
| 2556 return basic[TY.Tchar]; | |
| 2557 } | |
| 2558 | |
| 2559 static Type twchar() | |
| 2560 { | |
| 2561 return basic[TY.Twchar]; | |
| 2562 } | |
| 2563 | |
| 2564 static Type tdchar() | |
| 2565 { | |
| 2566 return basic[TY.Tdchar]; | |
| 2567 } | |
| 2568 | |
| 2569 // Some special types | |
| 2570 static Type tshiftcnt() | |
| 2571 { | |
| 2572 return tint32; // right side of shift expression | |
| 2573 } | |
| 2574 | |
| 2575 // #define tboolean tint32 // result of boolean expression | |
| 2576 static Type tboolean() | |
| 2577 { | |
| 2578 return tbool; // result of boolean expression | |
| 2579 } | |
| 2580 | |
| 2581 static Type tindex() | |
| 2582 { | |
| 2583 return tint32; // array/ptr index | |
| 2584 } | |
| 2585 | |
| 2586 static Type tvoidptr; // void* | |
| 98 | 2587 static Type tstring; // immutable(char)[] |
| 2588 | |
| 0 | 2589 static Type terror() |
| 2590 { | |
| 2591 return basic[TY.Terror]; // for error recovery | |
| 2592 } | |
| 2593 | |
| 2594 static Type tsize_t() | |
| 2595 { | |
| 2596 return basic[Tsize_t]; // matches size_t alias | |
| 2597 } | |
| 2598 | |
| 2599 static Type tptrdiff_t() | |
| 2600 { | |
| 2601 return basic[Tptrdiff_t]; // matches ptrdiff_t alias | |
| 2602 } | |
| 2603 | |
| 2604 static Type thash_t() | |
| 2605 { | |
| 2606 return tsize_t; // matches hash_t alias | |
| 2607 } | |
|
14
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
2608 } |