Mercurial > projects > ddmd
annotate dmd/Type.d @ 130:60bb0fe4563e
dmdfe 2.037 first main iteration
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Thu, 09 Sep 2010 22:51:44 +0100 |
| parents | 347de076ad34 |
| children | 206db751bd4c |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Type; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.TY; |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
121
diff
changeset
|
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; | |
| 57 | |
| 58 import dmd.backend.Symbol; | |
| 59 import dmd.backend.TYPE; | |
| 60 import dmd.backend.dt_t; | |
| 61 import dmd.backend.Util; | |
| 62 import dmd.backend.TYM; | |
| 63 import dmd.backend.mTY; | |
| 64 | |
| 65 import core.stdc.stdio; | |
| 66 | |
| 4 | 67 import core.memory; |
| 2 | 68 |
| 0 | 69 /* These have default values for 32 bit code, they get |
| 70 * adjusted for 64 bit code. | |
| 71 */ | |
| 72 | |
| 73 int PTRSIZE = 4; | |
| 74 | |
| 75 int Tsize_t; | |
| 76 int Tptrdiff_t; | |
| 77 | |
| 78 /* REALSIZE = size a real consumes in memory | |
| 79 * REALPAD = 'padding' added to the CPU real size to bring it up to REALSIZE | |
| 80 * REALALIGNSIZE = alignment for reals | |
| 81 */ | |
| 82 version (TARGET_OSX) { | |
| 83 int REALSIZE = 16; | |
| 84 int REALPAD = 6; | |
| 85 int REALALIGNSIZE = 16; | |
|
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Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
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86 } else version (POSIX) { /// TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 87 int REALSIZE = 12; |
| 88 int REALPAD = 2; | |
| 89 int REALALIGNSIZE = 4; | |
| 90 } else { | |
| 91 int REALSIZE = 10; | |
| 92 int REALPAD = 0; | |
| 93 int REALALIGNSIZE = 2; | |
| 94 } | |
| 95 | |
| 96 /**** | |
| 97 * Given an identifier, figure out which TemplateParameter it is. | |
| 98 * Return -1 if not found. | |
| 99 */ | |
| 100 | |
| 101 int templateIdentifierLookup(Identifier id, TemplateParameters parameters) | |
| 102 { | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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|
103 foreach (size_t i, TemplateParameter tp; parameters) |
| 0 | 104 { |
| 105 if (tp.ident.equals(id)) | |
| 106 return i; | |
| 107 } | |
| 108 return -1; | |
| 109 } | |
| 110 | |
| 111 int templateParameterLookup(Type tparam, TemplateParameters parameters) | |
| 112 { | |
| 113 assert(tparam.ty == Tident); | |
| 114 TypeIdentifier tident = cast(TypeIdentifier)tparam; | |
| 115 //printf("\ttident = '%s'\n", tident.toChars()); | |
| 116 if (tident.idents.dim == 0) | |
| 117 { | |
| 118 return templateIdentifierLookup(tident.ident, parameters); | |
| 119 } | |
| 120 return -1; | |
| 121 } | |
| 122 | |
| 123 class Type | |
| 124 { | |
| 125 TY ty; | |
| 126 MOD mod; // modifiers MODxxxx | |
| 127 /* pick this order of numbers so switch statements work better | |
| 128 */ | |
| 129 /// #define MODconst 1 // type is const | |
| 95 | 130 /// #define MODinvariant 4 // type is immutable |
| 131 /// #define MODimmutable 4 // type is immutable | |
| 0 | 132 /// #define MODshared 2 // type is shared |
| 133 string deco; | |
| 134 | |
| 135 /* These are cached values that are lazily evaluated by constOf(), invariantOf(), etc. | |
| 136 * They should not be referenced by anybody but mtype.c. | |
| 137 * They can be null if not lazily evaluated yet. | |
| 138 * Note that there is no "shared immutable", because that is just immutable | |
| 139 */ | |
| 140 | |
| 141 Type cto; // MODconst ? mutable version of this type : const version | |
| 142 Type ito; // MODinvariant ? mutable version of this type : invariant version | |
| 143 Type sto; // MODshared ? mutable version of this type : shared mutable version | |
| 144 Type scto; // MODshared|MODconst ? mutable version of this type : shared const version | |
| 145 | |
| 146 Type pto; // merged pointer to this type | |
| 147 Type rto; // reference to this type | |
| 148 Type arrayof; // array of this type | |
| 149 TypeInfoDeclaration vtinfo; // TypeInfo object for this Type | |
| 150 | |
| 151 type* ctype; // for back end | |
| 152 | |
| 153 static ClassDeclaration typeinfo; | |
| 154 static ClassDeclaration typeinfoclass; | |
| 155 static ClassDeclaration typeinfointerface; | |
| 156 static ClassDeclaration typeinfostruct; | |
| 157 static ClassDeclaration typeinfotypedef; | |
| 158 static ClassDeclaration typeinfopointer; | |
| 159 static ClassDeclaration typeinfoarray; | |
| 160 static ClassDeclaration typeinfostaticarray; | |
| 161 static ClassDeclaration typeinfoassociativearray; | |
| 162 static ClassDeclaration typeinfoenum; | |
| 163 static ClassDeclaration typeinfofunction; | |
| 164 static ClassDeclaration typeinfodelegate; | |
| 165 static ClassDeclaration typeinfotypelist; | |
| 166 static ClassDeclaration typeinfoconst; | |
| 167 static ClassDeclaration typeinfoinvariant; | |
| 168 static ClassDeclaration typeinfoshared; | |
| 169 | |
| 170 static Type basic[TY.TMAX]; | |
| 171 static ubyte mangleChar[TY.TMAX]; | |
| 172 static ubyte sizeTy[TY.TMAX]; | |
| 173 static StringTable stringtable; | |
| 174 | |
| 175 // These tables are for implicit conversion of binary ops; | |
| 176 // the indices are the type of operand one, followed by operand two. | |
| 177 static ubyte impcnvResult[TY.TMAX][TY.TMAX] = [ | |
| 178 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 179 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 180 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 181 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 182 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 183 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 184 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 194 [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], | |
| 195 [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], | |
| 196 [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], | |
| 197 [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], | |
| 198 [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], | |
| 199 [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], | |
| 200 [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], | |
| 201 [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], | |
| 202 [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], | |
| 203 [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], | |
| 204 [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], | |
| 205 [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], | |
| 206 [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], | |
| 207 [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], | |
| 208 [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], | |
| 209 [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], | |
| 210 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 211 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,33,37,37,37,37,37,37,37,37,37], | |
| 212 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 213 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 214 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 215 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 216 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 ]; | |
| 222 | |
| 223 static ubyte impcnvType1[TY.TMAX][TY.TMAX] = [ | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 229 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 230 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 240 [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], | |
| 241 [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], | |
| 242 [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], | |
| 243 [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], | |
| 244 [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], | |
| 245 [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], | |
| 246 [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], | |
| 247 [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], | |
| 248 [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], | |
| 249 [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], | |
| 250 [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], | |
| 251 [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], | |
| 252 [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], | |
| 253 [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], | |
| 254 [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], | |
| 255 [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], | |
| 256 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 257 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,33,37,37,37,37,37,37,37,37,37], | |
| 258 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 259 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 260 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 261 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 262 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 ]; | |
| 268 | |
| 269 static ubyte impcnvType2[TY.TMAX][TY.TMAX] = [ | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 275 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 276 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 286 [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], | |
| 287 [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], | |
| 288 [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], | |
| 289 [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], | |
| 290 [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], | |
| 291 [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], | |
| 292 [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], | |
| 293 [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], | |
| 294 [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], | |
| 295 [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], | |
| 296 [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], | |
| 297 [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], | |
| 298 [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], | |
| 299 [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], | |
| 300 [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], | |
| 301 [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], | |
| 302 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 303 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,33,37,37,37,37,37,37,37,37,37], | |
| 304 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 305 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 306 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 307 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 308 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 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 ]; | |
| 314 | |
| 315 // If !=0, give warning on implicit conversion | |
| 316 static const(bool) impcnvWarn[TY.TMAX][TY.TMAX] = [ | |
| 317 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 318 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 319 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 320 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 321 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 322 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 323 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 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 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0], | |
| 333 [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], | |
| 334 [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], | |
| 335 [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], | |
| 336 [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], | |
| 337 [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], | |
| 338 [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], | |
| 339 [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], | |
| 340 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 341 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 342 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 343 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 344 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 345 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 346 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 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 ]; | |
| 361 | |
| 362 static this() | |
| 363 { | |
| 364 stringtable = new StringTable(); | |
| 365 } | |
| 366 | |
| 367 static ~this() | |
| 368 { | |
| 369 delete stringtable; | |
| 370 } | |
| 371 | |
| 372 this(TY ty) | |
| 373 { | |
| 374 this.ty = ty; | |
| 375 } | |
| 376 | |
| 377 Type syntaxCopy() | |
| 378 { | |
| 379 assert(false); | |
| 380 } | |
| 381 | |
| 45 | 382 bool equals(Object o) |
| 0 | 383 { |
| 384 Type t = cast(Type)o; | |
| 385 //printf("Type.equals(%s, %s)\n", toChars(), t.toChars()); | |
| 386 if (this is o || (t && deco == t.deco) && // deco strings are unique | |
| 387 deco !is null) // and semantic() has been run | |
| 388 { | |
| 389 //printf("deco = '%s', t.deco = '%s'\n", deco, t.deco); | |
| 390 return 1; | |
| 391 } | |
| 392 //if (deco && t && t.deco) printf("deco = '%s', t.deco = '%s'\n", deco, t.deco); | |
| 393 return 0; | |
| 394 } | |
| 395 | |
| 396 DYNCAST dyncast() { return DYNCAST.DYNCAST_TYPE; } // kludge for template.isType() | |
| 397 | |
| 398 /******************************* | |
|
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399 * Covariant means that 'this' can substitute for 't', |
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400 * i.e. a pure function is a match for an impure type. * Returns: |
| 0 | 401 * 0 types are distinct |
| 402 * 1 this is covariant with t | |
| 403 * 2 arguments match as far as overloading goes, | |
| 404 * but types are not covariant | |
| 405 * 3 cannot determine covariance because of forward references | |
| 406 */ | |
| 407 int covariant(Type t) | |
| 408 { | |
| 79 | 409 static if (false) |
| 410 { | |
| 0 | 411 printf("Type.covariant(t = %s) %s\n", t.toChars(), toChars()); |
| 412 printf("deco = %p, %p\n", deco, t.deco); | |
| 413 // printf("ty = %d\n", next.ty); | |
| 414 printf("mod = %x, %x\n", mod, t.mod); | |
| 415 } | |
| 416 | |
| 417 int inoutmismatch = 0; | |
| 418 | |
| 419 TypeFunction t1; | |
| 420 TypeFunction t2; | |
| 421 | |
| 422 if (equals(t)) | |
| 423 return 1; // covariant | |
| 424 | |
| 425 if (ty != TY.Tfunction || t.ty != TY.Tfunction) | |
| 426 goto Ldistinct; | |
| 427 | |
| 428 t1 = cast(TypeFunction)this; | |
| 429 t2 = cast(TypeFunction)t; | |
| 430 | |
| 431 if (t1.varargs != t2.varargs) | |
| 432 goto Ldistinct; | |
| 433 | |
| 434 if (t1.parameters && t2.parameters) | |
| 435 { | |
|
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436 size_t dim = Parameter.dim(t1.parameters); |
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437 if (dim != Parameter.dim(t2.parameters)) |
| 0 | 438 goto Ldistinct; |
| 439 | |
| 440 for (size_t i = 0; i < dim; i++) | |
| 441 { | |
|
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442 auto arg1 = Parameter.getNth(t1.parameters, i); |
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443 auto arg2 = Parameter.getNth(t2.parameters, i); |
| 0 | 444 |
| 445 if (!arg1.type.equals(arg2.type)) | |
| 446 { | |
| 447 ///static if (false) { | |
| 448 /// // turn on this for contravariant argument types, see bugzilla 3075 | |
| 98 | 449 /// // BUG: cannot convert ref to const to ref to immutable |
| 0 | 450 /// // We can add const, but not subtract it |
| 451 /// if (arg2.type.implicitConvTo(arg1.type) < MATCH.MATCHconst) | |
| 452 ///} | |
| 453 goto Ldistinct; | |
| 454 } | |
|
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455 const STC sc = STC.STCref | STC.STCin | STC.STCout | STC.STClazy; |
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456 if ((arg1.storageClass & sc) != (arg2.storageClass & sc)) |
| 0 | 457 inoutmismatch = 1; |
| 458 // We can add scope, but not subtract it | |
| 459 if (!(arg1.storageClass & STC.STCscope) && (arg2.storageClass & STC.STCscope)) | |
| 460 inoutmismatch = 1; | |
| 461 } | |
| 462 } | |
| 463 else if (t1.parameters != t2.parameters) | |
| 464 goto Ldistinct; | |
| 465 | |
| 466 // The argument lists match | |
| 467 if (inoutmismatch) | |
| 468 goto Lnotcovariant; | |
| 469 if (t1.linkage != t2.linkage) | |
| 470 goto Lnotcovariant; | |
| 471 | |
| 472 { | |
| 473 // Return types | |
| 474 Type t1n = t1.next; | |
| 475 Type t2n = t2.next; | |
| 476 | |
| 79 | 477 if (t1n is null || t2n is null) // happens with return type inference |
| 478 goto Lnotcovariant; | |
| 479 | |
| 0 | 480 if (t1n.equals(t2n)) |
| 481 goto Lcovariant; | |
| 482 if (t1n.ty == TY.Tclass && t2n.ty == TY.Tclass) | |
| 483 { | |
| 484 /* If same class type, but t2n is const, then it's | |
| 485 * covariant. Do this test first because it can work on | |
| 486 * forward references. | |
| 487 */ | |
| 488 if ((cast(TypeClass)t1n).sym == (cast(TypeClass)t2n).sym && | |
| 489 t2n.mod == MOD.MODconst) | |
| 490 goto Lcovariant; | |
| 491 | |
| 492 // If t1n is forward referenced: | |
| 493 ClassDeclaration cd = (cast(TypeClass)t1n).sym; | |
| 494 if (!cd.baseClass && cd.baseclasses.dim && !cd.isInterfaceDeclaration()) | |
| 495 { | |
| 496 return 3; | |
| 497 } | |
| 498 } | |
| 499 if (t1n.implicitConvTo(t2n)) | |
| 500 goto Lcovariant; | |
| 501 } | |
| 502 | |
| 503 goto Lnotcovariant; | |
| 504 | |
| 505 Lcovariant: | |
| 506 /* Can convert mutable to const | |
| 507 */ | |
| 508 if (t1.mod != t2.mod) | |
| 509 { | |
| 510 if (!(t1.mod & MOD.MODconst) && (t2.mod & MOD.MODconst)) | |
| 511 goto Lnotcovariant; | |
| 512 if (!(t1.mod & MOD.MODshared) && (t2.mod & MOD.MODshared)) | |
| 513 goto Lnotcovariant; | |
| 514 } | |
| 515 | |
| 516 /* Can convert pure to impure, and nothrow to throw | |
| 517 */ | |
| 518 if (!t1.ispure && t2.ispure) | |
| 519 goto Lnotcovariant; | |
| 520 | |
| 521 if (!t1.isnothrow && t2.isnothrow) | |
| 522 goto Lnotcovariant; | |
| 523 | |
| 524 if (t1.isref != t2.isref) | |
|
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525 goto Lnotcovariant; |
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526 |
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527 /* Can convert safe/trusted to system |
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528 */ |
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529 if (t1.trust <= TRUST.TRUSTsystem && t2.trust >= TRUSTtrusted) |
| 0 | 530 goto Lnotcovariant; |
| 531 | |
| 532 //printf("\tcovaraint: 1\n"); | |
| 533 return 1; | |
| 534 | |
| 535 Ldistinct: | |
| 536 //printf("\tcovaraint: 0\n"); | |
| 537 return 0; | |
| 538 | |
| 539 Lnotcovariant: | |
| 540 //printf("\tcovaraint: 2\n"); | |
| 541 return 2; | |
| 542 } | |
| 543 | |
| 544 string toChars() | |
| 545 { | |
| 546 scope OutBuffer buf = new OutBuffer(); | |
| 547 | |
| 548 HdrGenState hgs; | |
| 549 toCBuffer(buf, null, &hgs); | |
| 550 return buf.toChars(); | |
| 551 } | |
| 552 | |
| 553 static char needThisPrefix() | |
| 554 { | |
| 555 return 'M'; // name mangling prefix for functions needing 'this' | |
| 556 } | |
| 557 | |
| 558 static void init() | |
| 559 { | |
| 560 Lexer.initKeywords(); | |
| 561 | |
| 562 for (int i = 0; i < TY.TMAX; i++) | |
| 563 sizeTy[i] = TypeBasic.sizeof; | |
| 564 | |
| 565 sizeTy[TY.Tsarray] = TypeSArray.sizeof; | |
| 566 sizeTy[TY.Tarray] = TypeDArray.sizeof; | |
| 567 //sizeTy[TY.Tnarray] = TypeNArray.sizeof; | |
| 568 sizeTy[TY.Taarray] = TypeAArray.sizeof; | |
| 569 sizeTy[TY.Tpointer] = TypePointer.sizeof; | |
| 570 sizeTy[TY.Treference] = TypeReference.sizeof; | |
| 571 sizeTy[TY.Tfunction] = TypeFunction.sizeof; | |
| 572 sizeTy[TY.Tdelegate] = TypeDelegate.sizeof; | |
| 573 sizeTy[TY.Tident] = TypeIdentifier.sizeof; | |
| 574 sizeTy[TY.Tinstance] = TypeInstance.sizeof; | |
| 575 sizeTy[TY.Ttypeof] = TypeTypeof.sizeof; | |
| 576 sizeTy[TY.Tenum] = TypeEnum.sizeof; | |
| 577 sizeTy[TY.Ttypedef] = TypeTypedef.sizeof; | |
| 578 sizeTy[TY.Tstruct] = TypeStruct.sizeof; | |
| 579 sizeTy[TY.Tclass] = TypeClass.sizeof; | |
| 580 sizeTy[TY.Ttuple] = TypeTuple.sizeof; | |
| 581 sizeTy[TY.Tslice] = TypeSlice.sizeof; | |
| 582 sizeTy[TY.Treturn] = TypeReturn.sizeof; | |
| 583 | |
| 584 mangleChar[TY.Tarray] = 'A'; | |
| 585 mangleChar[TY.Tsarray] = 'G'; | |
| 586 mangleChar[TY.Tnarray] = '@'; | |
| 587 mangleChar[TY.Taarray] = 'H'; | |
| 588 mangleChar[TY.Tpointer] = 'P'; | |
| 589 mangleChar[TY.Treference] = 'R'; | |
| 590 mangleChar[TY.Tfunction] = 'F'; | |
| 591 mangleChar[TY.Tident] = 'I'; | |
| 592 mangleChar[TY.Tclass] = 'C'; | |
| 593 mangleChar[TY.Tstruct] = 'S'; | |
| 594 mangleChar[TY.Tenum] = 'E'; | |
| 595 mangleChar[TY.Ttypedef] = 'T'; | |
| 596 mangleChar[TY.Tdelegate] = 'D'; | |
| 597 | |
| 598 mangleChar[TY.Tnone] = 'n'; | |
| 599 mangleChar[TY.Tvoid] = 'v'; | |
| 600 mangleChar[TY.Tint8] = 'g'; | |
| 601 mangleChar[TY.Tuns8] = 'h'; | |
| 602 mangleChar[TY.Tint16] = 's'; | |
| 603 mangleChar[TY.Tuns16] = 't'; | |
| 604 mangleChar[TY.Tint32] = 'i'; | |
| 605 mangleChar[TY.Tuns32] = 'k'; | |
| 606 mangleChar[TY.Tint64] = 'l'; | |
| 607 mangleChar[TY.Tuns64] = 'm'; | |
| 608 mangleChar[TY.Tfloat32] = 'f'; | |
| 609 mangleChar[TY.Tfloat64] = 'd'; | |
| 610 mangleChar[TY.Tfloat80] = 'e'; | |
| 611 | |
| 612 mangleChar[TY.Timaginary32] = 'o'; | |
| 613 mangleChar[TY.Timaginary64] = 'p'; | |
| 614 mangleChar[TY.Timaginary80] = 'j'; | |
| 615 mangleChar[TY.Tcomplex32] = 'q'; | |
| 616 mangleChar[TY.Tcomplex64] = 'r'; | |
| 617 mangleChar[TY.Tcomplex80] = 'c'; | |
| 618 | |
| 619 mangleChar[TY.Tbool] = 'b'; | |
| 620 mangleChar[TY.Tascii] = 'a'; | |
| 621 mangleChar[TY.Twchar] = 'u'; | |
| 622 mangleChar[TY.Tdchar] = 'w'; | |
| 623 | |
| 624 mangleChar[TY.Tbit] = '@'; | |
| 625 mangleChar[TY.Tinstance] = '@'; | |
| 626 mangleChar[TY.Terror] = '@'; | |
| 627 mangleChar[TY.Ttypeof] = '@'; | |
| 628 mangleChar[TY.Ttuple] = 'B'; | |
| 629 mangleChar[TY.Tslice] = '@'; | |
| 630 mangleChar[TY.Treturn] = '@'; | |
| 631 | |
| 632 debug { | |
| 633 for (int i = 0; i < TY.TMAX; i++) { | |
| 634 if (!mangleChar[i]) { | |
| 635 writef("ty = %d\n", i); | |
| 636 } | |
| 637 assert(mangleChar[i]); | |
| 638 } | |
| 639 } | |
| 640 // Set basic types | |
| 641 static TY[] basetab = [ | |
| 642 TY.Tvoid, TY.Tint8, TY.Tuns8, TY.Tint16, TY.Tuns16, TY.Tint32, TY.Tuns32, TY.Tint64, TY.Tuns64, | |
| 643 TY.Tfloat32, TY.Tfloat64, TY.Tfloat80, | |
| 644 TY.Timaginary32, TY.Timaginary64, TY.Timaginary80, | |
| 645 TY.Tcomplex32, TY.Tcomplex64, TY.Tcomplex80, | |
| 646 TY.Tbool, | |
| 647 TY.Tascii, TY.Twchar, TY.Tdchar | |
| 648 ]; | |
| 649 | |
| 650 foreach (bt; basetab) { | |
| 651 Type t = new TypeBasic(bt); | |
| 652 t = t.merge(); | |
| 653 basic[bt] = t; | |
| 654 } | |
| 655 | |
| 656 basic[TY.Terror] = basic[TY.Tint32]; | |
| 657 | |
| 658 tvoidptr = tvoid.pointerTo(); | |
| 98 | 659 tstring = tchar.invariantOf().arrayOf(); |
| 0 | 660 |
| 661 if (global.params.isX86_64) { | |
| 662 PTRSIZE = 8; | |
| 663 if (global.params.isLinux || global.params.isFreeBSD || global.params.isSolaris) | |
| 664 REALSIZE = 10; | |
| 665 else | |
| 666 REALSIZE = 8; | |
| 667 Tsize_t = TY.Tuns64; | |
| 668 Tptrdiff_t = TY.Tint64; | |
| 669 } | |
| 670 else | |
| 671 { | |
| 672 PTRSIZE = 4; | |
| 673 version (TARGET_OSX) { | |
| 674 REALSIZE = 16; | |
| 675 REALPAD = 6; | |
| 676 } else version (XXX) { //#elif TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS | |
| 677 REALSIZE = 12; | |
| 678 REALPAD = 2; | |
| 679 } else { | |
| 680 REALSIZE = 10; | |
| 681 REALPAD = 0; | |
| 682 } | |
| 683 Tsize_t = TY.Tuns32; | |
| 684 Tptrdiff_t = TY.Tint32; | |
| 685 } | |
| 686 } | |
| 687 | |
| 688 ulong size() | |
| 689 { | |
| 690 return size(Loc(0)); | |
| 691 } | |
| 692 | |
| 693 ulong size(Loc loc) | |
| 694 { | |
| 695 error(loc, "no size for type %s", toChars()); | |
| 696 return 1; | |
| 697 } | |
| 698 | |
| 699 uint alignsize() | |
| 700 { | |
| 701 return cast(uint)size(Loc(0)); /// | |
| 702 } | |
| 703 | |
| 704 Type semantic(Loc loc, Scope sc) | |
| 705 { | |
| 706 return merge(); | |
| 707 } | |
| 708 | |
| 709 Type trySemantic(Loc loc, Scope sc) | |
| 710 { | |
| 711 uint errors = global.errors; | |
| 712 global.gag++; // suppress printing of error messages | |
| 713 Type t = semantic(loc, sc); | |
| 714 global.gag--; | |
| 715 if (errors != global.errors) // if any errors happened | |
| 716 { | |
| 717 global.errors = errors; | |
| 718 t = null; | |
| 719 } | |
| 720 return t; | |
| 721 } | |
| 722 | |
| 723 /******************************** | |
| 724 * Name mangling. | |
| 725 * Input: | |
| 726 * flag 0x100 do not do const/invariant | |
| 727 */ | |
| 728 void toDecoBuffer(OutBuffer buf, int flag = 0) | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
16
diff
changeset
|
729 { |
| 0 | 730 if (flag != mod && flag != 0x100) |
| 731 { | |
| 732 if (mod & MOD.MODshared) | |
| 733 buf.writeByte('O'); | |
| 734 | |
| 735 if (mod & MOD.MODconst) | |
| 736 buf.writeByte('x'); | |
| 737 else if (mod & MOD.MODinvariant) | |
| 738 buf.writeByte('y'); | |
| 739 | |
| 740 // Cannot be both const and invariant | |
| 741 assert((mod & (MOD.MODconst | MOD.MODinvariant)) != (MOD.MODconst | MOD.MODinvariant)); | |
| 742 } | |
| 743 buf.writeByte(mangleChar[ty]); | |
| 744 } | |
| 745 | |
| 746 Type merge() | |
| 747 { | |
| 748 Type t = this; | |
| 749 assert(t); | |
| 750 | |
| 751 //printf("merge(%s)\n", toChars()); | |
| 752 if (deco is null) | |
| 753 { | |
| 754 OutBuffer buf = new OutBuffer(); | |
| 755 | |
| 756 //if (next) | |
| 757 //next = next.merge(); | |
| 758 toDecoBuffer(buf); | |
| 759 StringValue* sv = stringtable.update(buf.extractString()); | |
| 760 if (sv.ptrvalue) | |
| 761 { | |
| 762 t = cast(Type) sv.ptrvalue; | |
| 763 debug { | |
| 764 if (!t.deco) | |
| 765 writef("t = %s\n", t.toChars()); | |
| 766 } | |
| 767 assert(t.deco); | |
| 768 //printf("old value, deco = '%s' %p\n", t.deco, t.deco); | |
| 769 } | |
| 770 else | |
| 771 { | |
| 772 sv.ptrvalue = cast(void*)this; | |
| 773 deco = sv.lstring.string_; | |
| 774 //printf("new value, deco = '%s' %p\n", t.deco, t.deco); | |
| 775 } | |
| 776 } | |
| 777 return t; | |
| 778 } | |
| 779 | |
| 780 /************************************* | |
| 781 * This version does a merge even if the deco is already computed. | |
| 782 * Necessary for types that have a deco, but are not merged. | |
| 783 */ | |
| 784 Type merge2() | |
| 785 { | |
| 786 //printf("merge2(%s)\n", toChars()); | |
| 787 Type t = this; | |
| 788 assert(t); | |
| 789 if (!t.deco) | |
| 790 return t.merge(); | |
| 791 | |
| 792 StringValue* sv = stringtable.lookup(t.deco); | |
| 793 if (sv && sv.ptrvalue) | |
| 794 { | |
| 795 t = cast(Type)sv.ptrvalue; | |
| 796 assert(t.deco); | |
| 797 } | |
| 798 else | |
| 799 assert(0); | |
| 800 | |
| 801 return t; | |
| 802 } | |
| 803 | |
| 804 void toCBuffer(OutBuffer buf, Identifier ident, HdrGenState* hgs) | |
| 805 { | |
| 806 toCBuffer2(buf, hgs, MOD.MODundefined); | |
| 807 if (ident) | |
| 808 { | |
| 809 buf.writeByte(' '); | |
| 810 buf.writestring(ident.toChars()); | |
| 811 } | |
| 812 } | |
| 813 | |
| 814 void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) | |
| 815 { | |
| 816 if (mod != this.mod) | |
| 817 { | |
| 818 toCBuffer3(buf, hgs, mod); | |
| 819 return; | |
| 820 } | |
| 821 buf.writestring(toChars()); | |
| 822 } | |
| 823 | |
| 824 void toCBuffer3(OutBuffer buf, HdrGenState* hgs, MOD mod) | |
| 825 { | |
| 826 if (mod != this.mod) | |
| 827 { | |
| 828 string p; | |
| 829 | |
| 830 if (this.mod & MOD.MODshared) | |
| 831 buf.writestring("shared("); | |
| 832 | |
| 833 switch (this.mod & (MOD.MODconst | MOD.MODinvariant)) | |
| 834 { | |
| 835 case MOD.MODundefined: | |
| 836 toCBuffer2(buf, hgs, this.mod); | |
| 837 break; | |
| 838 case MOD.MODconst: | |
| 839 p = "const("; | |
| 840 goto L1; | |
| 841 case MOD.MODinvariant: | |
| 842 p = "immutable("; | |
| 843 L1: buf.writestring(p); | |
| 844 toCBuffer2(buf, hgs, this.mod); | |
| 845 buf.writeByte(')'); | |
| 846 break; | |
| 847 } | |
| 848 | |
| 849 if (this.mod & MOD.MODshared) | |
| 850 buf.writeByte(')'); | |
| 851 } | |
| 852 } | |
| 853 | |
| 854 void modToBuffer(OutBuffer buf) | |
| 855 { | |
| 856 if (mod & MOD.MODshared) | |
| 857 buf.writestring(" shared"); | |
| 858 if (mod & MOD.MODconst) | |
| 859 buf.writestring(" const"); | |
| 860 if (mod & MOD.MODinvariant) | |
| 861 buf.writestring(" immutable"); | |
| 862 } | |
| 863 | |
| 864 version (CPP_MANGLE) { | |
| 865 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 866 { | |
| 867 assert(false); | |
| 868 } | |
| 869 } | |
| 870 bool isintegral() | |
| 871 { | |
| 872 return false; | |
| 873 } | |
| 874 | |
| 875 bool isfloating() // real, imaginary, or complex | |
| 876 { | |
| 877 return false; | |
| 878 } | |
| 879 | |
| 880 bool isreal() | |
| 881 { | |
| 882 return false; | |
| 883 } | |
| 884 | |
| 885 bool isimaginary() | |
| 886 { | |
| 887 return false; | |
| 888 } | |
| 889 | |
| 890 bool iscomplex() | |
| 891 { | |
| 892 return false; | |
| 893 } | |
| 894 | |
| 895 bool isscalar() | |
| 896 { | |
| 897 return false; | |
| 898 } | |
| 899 | |
| 900 bool isunsigned() | |
| 901 { | |
| 902 return false; | |
| 903 } | |
| 904 | |
| 905 bool isauto() | |
| 906 { | |
| 907 return false; | |
| 908 } | |
| 909 | |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
4
diff
changeset
|
910 bool isString() |
| 0 | 911 { |
| 912 return false; | |
| 913 } | |
| 914 | |
| 915 /************************** | |
| 916 * Given: | |
| 917 * T a, b; | |
| 918 * Can we assign: | |
| 919 * a = b; | |
| 920 * ? | |
| 921 */ | |
| 73 | 922 bool isAssignable() |
| 0 | 923 { |
| 924 return true; | |
| 925 } | |
| 926 | |
| 927 bool checkBoolean() // if can be converted to boolean value | |
| 928 { | |
| 929 return isscalar(); | |
| 930 } | |
| 931 | |
| 932 /********************************* | |
| 933 * Check type to see if it is based on a deprecated symbol. | |
| 934 */ | |
| 935 void checkDeprecated(Loc loc, Scope sc) | |
| 936 { | |
| 937 Dsymbol s = toDsymbol(sc); | |
| 938 if (s) | |
| 939 s.checkDeprecated(loc, sc); | |
| 940 } | |
| 941 | |
| 942 bool isConst() { return (mod & MOD.MODconst) != 0; } | |
| 943 | |
| 944 int isInvariant() { return mod & MOD.MODinvariant; } | |
| 945 | |
| 946 int isMutable() { return !(mod & (MOD.MODconst | MOD.MODinvariant)); } | |
| 947 | |
| 948 int isShared() { return mod & MOD.MODshared; } | |
| 949 | |
| 950 int isSharedConst() { return mod == (MOD.MODshared | MOD.MODconst); } | |
| 951 | |
| 952 /******************************** | |
| 953 * Convert to 'const'. | |
| 954 */ | |
| 955 Type constOf() | |
| 956 { | |
| 957 //printf("Type.constOf() %p %s\n", this, toChars()); | |
| 958 if (mod == MOD.MODconst) | |
| 959 return this; | |
| 960 if (cto) | |
| 961 { | |
| 962 assert(cto.mod == MOD.MODconst); | |
| 963 return cto; | |
| 964 } | |
| 965 Type t = makeConst(); | |
| 966 t = t.merge(); | |
| 967 t.fixTo(this); | |
| 968 //printf("-Type.constOf() %p %s\n", t, toChars()); | |
| 969 return t; | |
| 970 } | |
| 971 | |
| 972 /******************************** | |
| 973 * Convert to 'immutable'. | |
| 974 */ | |
| 975 Type invariantOf() | |
| 976 { | |
| 977 //printf("Type.invariantOf() %p %s\n", this, toChars()); | |
| 978 if (isInvariant()) | |
| 979 { | |
| 980 return this; | |
| 981 } | |
| 982 if (ito) | |
| 983 { | |
| 984 assert(ito.isInvariant()); | |
| 985 return ito; | |
| 986 } | |
| 987 Type t = makeInvariant(); | |
| 988 t = t.merge(); | |
| 989 t.fixTo(this); | |
| 990 //printf("\t%p\n", t); | |
| 991 return t; | |
| 992 } | |
| 993 | |
| 994 Type mutableOf() | |
| 995 { | |
| 996 //printf("Type.mutableOf() %p, %s\n", this, toChars()); | |
| 997 Type t = this; | |
| 998 if (isConst()) | |
| 999 { | |
| 1000 if (isShared()) | |
| 1001 t = sto; // shared const => shared | |
| 1002 else | |
| 1003 t = cto; | |
| 1004 assert(!t || t.isMutable()); | |
| 1005 } | |
| 1006 else if (isInvariant()) | |
| 1007 { | |
| 1008 t = ito; | |
| 1009 assert(!t || (t.isMutable() && !t.isShared())); | |
| 1010 } | |
| 1011 if (!t) | |
| 1012 { | |
| 1013 uint sz = this.classinfo.init.length; | |
| 2 | 1014 t = cast(Type)GC.malloc(sz); |
| 0 | 1015 memcpy(cast(void*)t, cast(void*)this, sz); |
| 98 | 1016 t.mod = mod & MODshared; |
| 0 | 1017 t.deco = null; |
| 1018 t.arrayof = null; | |
| 1019 t.pto = null; | |
| 1020 t.rto = null; | |
| 1021 t.cto = null; | |
| 1022 t.ito = null; | |
| 1023 t.sto = null; | |
| 1024 t.scto = null; | |
| 1025 t.vtinfo = null; | |
| 1026 t = t.merge(); | |
| 1027 | |
| 1028 t.fixTo(this); | |
| 1029 | |
| 1030 switch (mod) | |
| 1031 { | |
| 1032 case MODconst: | |
| 1033 t.cto = this; | |
| 1034 break; | |
| 1035 | |
| 1036 case MODinvariant: | |
| 1037 t.ito = this; | |
| 1038 break; | |
| 1039 | |
| 1040 case MODshared | MODconst: | |
| 1041 t.scto = this; | |
| 1042 break; | |
| 1043 | |
| 1044 default: | |
| 1045 assert(0); | |
| 1046 } | |
| 1047 } | |
| 1048 return t; | |
| 1049 } | |
| 1050 | |
| 1051 Type sharedOf() | |
| 1052 { | |
| 1053 //printf("Type.sharedOf() %p, %s\n", this, toChars()); | |
| 1054 if (mod == MOD.MODshared) | |
| 1055 { | |
| 1056 return this; | |
| 1057 } | |
| 1058 if (sto) | |
| 1059 { | |
| 1060 assert(sto.isShared()); | |
| 1061 return sto; | |
| 1062 } | |
| 1063 | |
| 1064 Type t = makeShared(); | |
| 1065 t = t.merge(); | |
| 1066 t.fixTo(this); | |
| 1067 | |
| 1068 //printf("\t%p\n", t); | |
| 1069 return t; | |
| 1070 } | |
| 1071 | |
| 1072 Type sharedConstOf() | |
| 1073 { | |
| 1074 //printf("Type.sharedConstOf() %p, %s\n", this, toChars()); | |
| 1075 if (mod == (MODshared | MODconst)) | |
| 1076 { | |
| 1077 return this; | |
| 1078 } | |
| 1079 if (scto) | |
| 1080 { | |
| 1081 assert(scto.mod == (MODshared | MODconst)); | |
| 1082 return scto; | |
| 1083 } | |
| 1084 | |
| 1085 Type t = makeSharedConst(); | |
| 1086 t = t.merge(); | |
| 1087 t.fixTo(this); | |
| 1088 //printf("\t%p\n", t); | |
| 1089 | |
| 1090 return t; | |
| 1091 } | |
| 98 | 1092 |
| 1093 /******************************** | |
| 1094 * Make type unshared. | |
| 1095 */ | |
| 1096 Type unSharedOf() | |
| 1097 { | |
| 1098 //writef("Type::unSharedOf() %p, %s\n", this, toChars()); | |
| 1099 Type t = this; | |
| 1100 | |
| 1101 if (isShared()) | |
| 1102 { | |
| 1103 if (isConst()) | |
| 1104 t = cto; // shared const => const | |
| 1105 else | |
| 1106 t = sto; | |
| 1107 assert(!t || !t.isShared()); | |
| 1108 } | |
| 1109 | |
| 1110 if (!t) | |
| 1111 { | |
| 1112 uint sz = this.classinfo.init.length; | |
| 1113 t = cast(Type)GC.malloc(sz); | |
| 1114 memcpy(cast(void*)t, cast(void*)this, sz); | |
| 1115 t.mod = mod & ~MODshared; | |
| 1116 t.deco = null; | |
| 1117 t.arrayof = null; | |
| 1118 t.pto = null; | |
| 1119 t.rto = null; | |
| 1120 t.cto = null; | |
| 1121 t.ito = null; | |
| 1122 t.sto = null; | |
| 1123 t.scto = null; | |
| 1124 t.vtinfo = null; | |
| 1125 t = t.merge(); | |
| 0 | 1126 |
| 98 | 1127 t.fixTo(this); |
| 1128 | |
| 1129 switch (mod) | |
| 1130 { | |
| 1131 case MODshared: | |
| 1132 t.sto = this; | |
| 1133 break; | |
| 1134 | |
| 1135 case MODshared | MODconst: | |
| 1136 t.scto = this; | |
| 1137 break; | |
| 1138 | |
| 1139 default: | |
| 1140 assert(0); | |
| 1141 } | |
| 1142 } | |
| 1143 assert(!t.isShared()); | |
| 1144 return t; | |
| 1145 } | |
| 1146 | |
| 0 | 1147 static uint X(MOD m, MOD n) |
| 1148 { | |
| 1149 return (((m) << 3) | (n)); | |
| 1150 } | |
| 1151 | |
| 1152 /********************************** | |
| 1153 * For our new type 'this', which is type-constructed from t, | |
| 1154 * fill in the cto, ito, sto, scto shortcuts. | |
| 1155 */ | |
| 1156 void fixTo(Type t) | |
| 1157 { | |
| 1158 ito = t.ito; | |
| 1159 static if (false) { | |
| 1160 /* Cannot do these because these are not fully transitive: | |
| 1161 * there can be a shared ptr to immutable, for example. | |
| 1162 * Immutable subtypes are always immutable, though. | |
| 1163 */ | |
| 1164 cto = t.cto; | |
| 1165 sto = t.sto; | |
| 1166 scto = t.scto; | |
| 1167 } | |
| 1168 | |
| 1169 assert(mod != t.mod); | |
| 1170 | |
| 1171 switch (X(mod, t.mod)) | |
| 1172 { | |
| 1173 case X(MOD.MODundefined, MOD.MODconst): | |
| 1174 cto = t; | |
| 1175 break; | |
| 1176 | |
| 1177 case X(MOD.MODundefined, MOD.MODinvariant): | |
| 1178 ito = t; | |
| 1179 break; | |
| 1180 | |
| 1181 case X(MOD.MODundefined, MOD.MODshared): | |
| 1182 sto = t; | |
| 1183 break; | |
| 1184 | |
| 1185 case X(MOD.MODundefined, MOD.MODshared | MOD.MODconst): | |
| 1186 scto = t; | |
| 1187 break; | |
| 1188 | |
| 1189 | |
| 1190 case X(MOD.MODconst, MOD.MODundefined): | |
| 1191 cto = null; | |
| 1192 goto L2; | |
| 1193 | |
| 1194 case X(MOD.MODconst, MOD.MODinvariant): | |
| 1195 ito = t; | |
| 1196 goto L2; | |
| 1197 | |
| 1198 case X(MOD.MODconst, MOD.MODshared): | |
| 1199 sto = t; | |
| 1200 goto L2; | |
| 1201 | |
| 1202 case X(MOD.MODconst, MOD.MODshared | MOD.MODconst): | |
| 1203 scto = t; | |
| 1204 L2: | |
| 1205 t.cto = this; | |
| 1206 break; | |
| 1207 | |
| 1208 | |
| 1209 case X(MOD.MODinvariant, MOD.MODundefined): | |
| 1210 ito = null; | |
| 1211 goto L3; | |
| 1212 | |
| 1213 case X(MOD.MODinvariant, MOD.MODconst): | |
| 1214 cto = t; | |
| 1215 goto L3; | |
| 1216 | |
| 1217 case X(MOD.MODinvariant, MOD.MODshared): | |
| 1218 sto = t; | |
| 1219 goto L3; | |
| 1220 | |
| 1221 case X(MOD.MODinvariant, MOD.MODshared | MOD.MODconst): | |
| 1222 scto = t; | |
| 1223 L3: | |
| 1224 t.ito = this; | |
| 1225 if (t.cto) t.cto.ito = this; | |
| 1226 if (t.sto) t.sto.ito = this; | |
| 1227 if (t.scto) t.scto.ito = this; | |
| 1228 break; | |
| 1229 | |
| 1230 | |
| 1231 case X(MOD.MODshared, MOD.MODundefined): | |
| 1232 sto = null; | |
| 1233 goto L4; | |
| 1234 | |
| 1235 case X(MOD.MODshared, MOD.MODconst): | |
| 1236 cto = t; | |
| 1237 goto L4; | |
| 1238 | |
| 1239 case X(MOD.MODshared, MOD.MODinvariant): | |
| 1240 ito = t; | |
| 1241 goto L4; | |
| 1242 | |
| 1243 case X(MOD.MODshared, MOD.MODshared | MOD.MODconst): | |
| 1244 scto = t; | |
| 1245 L4: | |
| 1246 t.sto = this; | |
| 1247 break; | |
| 1248 | |
| 1249 | |
| 1250 case X(MOD.MODshared | MOD.MODconst, MOD.MODundefined): | |
| 1251 scto = null; | |
| 1252 break; | |
| 1253 | |
| 1254 case X(MOD.MODshared | MOD.MODconst, MOD.MODconst): | |
| 1255 cto = t; | |
| 1256 break; | |
| 1257 | |
| 1258 case X(MOD.MODshared | MOD.MODconst, MOD.MODinvariant): | |
| 1259 ito = t; | |
| 1260 break; | |
| 1261 | |
| 1262 case X(MOD.MODshared | MOD.MODconst, MOD.MODshared): | |
| 1263 sto = t; | |
| 1264 L5: | |
| 1265 t.scto = this; | |
| 1266 break; | |
| 1267 } | |
| 1268 | |
| 1269 check(); | |
| 1270 t.check(); | |
| 1271 //printf("fixTo: %s, %s\n", toChars(), t.toChars()); | |
| 1272 } | |
| 1273 | |
| 1274 /*************************** | |
| 1275 * Look for bugs in constructing types. | |
| 1276 */ | |
| 1277 void check() | |
| 1278 { | |
| 1279 switch (mod) | |
| 1280 { | |
| 1281 case MOD.MODundefined: | |
| 1282 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1283 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1284 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1285 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1286 break; | |
| 1287 | |
| 1288 case MOD.MODconst: | |
| 1289 if (cto) assert(cto.mod == MOD.MODundefined); | |
| 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.MODinvariant: | |
| 1296 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1297 if (ito) assert(ito.mod == MOD.MODundefined); | |
| 1298 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1299 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1300 break; | |
| 1301 | |
| 1302 case MOD.MODshared: | |
| 1303 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1304 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1305 if (sto) assert(sto.mod == MOD.MODundefined); | |
| 1306 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1307 break; | |
| 1308 | |
| 1309 case MOD.MODshared | MOD.MODconst: | |
| 1310 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1311 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1312 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1313 if (scto) assert(scto.mod == MOD.MODundefined); | |
| 1314 break; | |
| 1315 } | |
| 1316 | |
| 1317 Type tn = nextOf(); | |
| 1318 if (tn && ty != TY.Tfunction && ty != TY.Tdelegate) | |
| 1319 { | |
| 1320 // Verify transitivity | |
| 1321 switch (mod) | |
| 1322 { | |
| 1323 case MOD.MODundefined: | |
| 1324 break; | |
| 1325 | |
| 1326 case MOD.MODconst: | |
| 1327 assert(tn.mod & MOD.MODinvariant || tn.mod & MOD.MODconst); | |
| 1328 break; | |
| 1329 | |
| 1330 case MOD.MODinvariant: | |
| 1331 assert(tn.mod == MOD.MODinvariant); | |
| 1332 break; | |
| 1333 | |
| 1334 case MOD.MODshared: | |
| 1335 assert(tn.mod & MOD.MODinvariant || tn.mod & MOD.MODshared); | |
| 1336 break; | |
| 1337 | |
| 1338 case MOD.MODshared | MOD.MODconst: | |
| 1339 assert(tn.mod & MOD.MODinvariant || tn.mod & (MOD.MODshared | MOD.MODconst)); | |
| 1340 break; | |
| 1341 } | |
| 1342 tn.check(); | |
| 1343 } | |
| 1344 } | |
| 1345 | |
| 51 | 1346 /************************************ |
| 1347 * Apply MODxxxx bits to existing type. | |
| 1348 */ | |
| 0 | 1349 Type castMod(uint mod) |
| 1350 { | |
| 51 | 1351 Type t; |
| 1352 | |
| 1353 switch (mod) | |
| 1354 { | |
| 1355 case 0: | |
| 1356 t = mutableOf(); | |
| 1357 break; | |
| 1358 | |
| 1359 case MODconst: | |
| 1360 t = constOf(); | |
| 1361 break; | |
| 1362 | |
| 1363 case MODinvariant: | |
| 1364 t = invariantOf(); | |
| 1365 break; | |
| 1366 | |
| 1367 case MODshared: | |
| 1368 t = sharedOf(); | |
| 1369 break; | |
| 1370 | |
| 1371 case MODshared | MODconst: | |
| 1372 t = sharedConstOf(); | |
| 1373 break; | |
| 1374 | |
| 1375 default: | |
| 1376 assert(0); | |
| 1377 } | |
| 1378 return t; | |
| 0 | 1379 } |
| 1380 | |
| 1381 /************************************ | |
| 1382 * Add MODxxxx bits to existing type. | |
| 1383 * We're adding, not replacing, so adding const to | |
| 1384 * a shared type => "shared const" | |
| 1385 */ | |
| 1386 Type addMod(MOD mod) | |
| 1387 { | |
| 1388 Type t = this; | |
| 1389 | |
| 1390 /* Add anything to immutable, and it remains immutable | |
| 1391 */ | |
| 1392 if (!t.isInvariant()) | |
| 1393 { | |
| 1394 switch (mod) | |
| 1395 { | |
| 1396 case MOD.MODundefined: | |
| 1397 break; | |
| 1398 | |
| 1399 case MOD.MODconst: | |
| 1400 if (isShared()) | |
| 1401 t = sharedConstOf(); | |
| 1402 else | |
| 1403 t = constOf(); | |
| 1404 break; | |
| 1405 | |
| 1406 case MOD.MODinvariant: | |
| 1407 t = invariantOf(); | |
| 1408 break; | |
| 1409 | |
| 1410 case MOD.MODshared: | |
| 1411 if (isConst()) | |
| 1412 t = sharedConstOf(); | |
| 1413 else | |
| 1414 t = sharedOf(); | |
| 1415 break; | |
| 1416 | |
| 1417 case MOD.MODshared | MOD.MODconst: | |
| 1418 t = sharedConstOf(); | |
| 1419 break; | |
| 1420 } | |
| 1421 } | |
| 1422 return t; | |
| 1423 } | |
| 1424 | |
| 1425 Type addStorageClass(STC stc) | |
| 1426 { | |
| 1427 /* Just translate to MOD bits and let addMod() do the work | |
| 1428 */ | |
| 1429 MOD mod = MOD.MODundefined; | |
| 1430 | |
| 1431 if (stc & STC.STCimmutable) | |
| 1432 mod = MOD.MODinvariant; | |
| 1433 else | |
| 1434 { | |
| 1435 if (stc & (STC.STCconst | STC.STCin)) | |
| 1436 mod = MOD.MODconst; | |
| 1437 if (stc & STC.STCshared) | |
| 1438 mod |= MOD.MODshared; | |
| 1439 } | |
| 1440 | |
| 1441 return addMod(mod); | |
| 1442 } | |
| 1443 | |
| 1444 Type pointerTo() | |
| 1445 { | |
| 1446 if (pto is null) | |
| 1447 { | |
| 1448 Type t = new TypePointer(this); | |
| 1449 pto = t.merge(); | |
| 1450 } | |
| 1451 | |
| 1452 return pto; | |
| 1453 } | |
| 1454 | |
| 1455 Type referenceTo() | |
| 1456 { | |
| 1457 assert(false); | |
| 1458 } | |
| 1459 | |
| 1460 version (DumbClone) { | |
| 1461 final Type clone() | |
| 1462 { | |
| 1463 auto size = this.classinfo.init.length; | |
| 2 | 1464 auto ptr = GC.malloc(size); |
| 0 | 1465 memcpy(ptr, cast(void*)this, size); |
| 1466 | |
| 1467 return cast(Type)ptr; | |
| 1468 } | |
| 1469 } else { | |
| 1470 final Type cloneTo(Type t) | |
| 1471 { | |
| 1472 t.ctype = ctype; | |
| 1473 return t; | |
| 1474 } | |
| 1475 | |
| 1476 Type clone() | |
| 1477 { | |
| 1478 assert(this.classinfo is Type.classinfo); | |
| 1479 return cloneTo(new Type(ty)); | |
| 1480 } | |
| 1481 } | |
| 1482 | |
| 1483 Type arrayOf() | |
| 1484 { | |
| 1485 if (!arrayof) | |
| 1486 { | |
| 1487 Type t = new TypeDArray(this); | |
| 1488 arrayof = t.merge(); | |
| 1489 } | |
| 1490 return arrayof; | |
| 1491 } | |
| 1492 | |
| 1493 Type makeConst() | |
| 1494 { | |
| 1495 //printf("Type.makeConst() %p, %s\n", this, toChars()); | |
| 1496 if (cto) | |
| 1497 return cto; | |
| 1498 | |
| 1499 Type t = clone(); | |
| 1500 t.mod = MOD.MODconst; | |
| 1501 | |
| 1502 t.deco = null; | |
| 1503 t.arrayof = null; | |
| 1504 t.pto = null; | |
| 1505 t.rto = null; | |
| 1506 t.cto = null; | |
| 1507 t.ito = null; | |
| 1508 t.sto = null; | |
| 1509 t.scto = null; | |
| 1510 t.vtinfo = null; | |
| 1511 | |
| 1512 //printf("-Type.makeConst() %p, %s\n", t, toChars()); | |
| 1513 return t; | |
| 1514 } | |
| 1515 | |
| 1516 Type makeInvariant() | |
| 1517 { | |
| 1518 if (ito) { | |
| 1519 return ito; | |
| 1520 } | |
| 1521 | |
| 1522 Type t = clone(); | |
| 1523 t.mod = MOD.MODinvariant; | |
| 1524 | |
| 1525 t.deco = null; | |
| 1526 t.arrayof = null; | |
| 1527 t.pto = null; | |
| 1528 t.rto = null; | |
| 1529 t.cto = null; | |
| 1530 t.ito = null; | |
| 1531 t.sto = null; | |
| 1532 t.scto = null; | |
| 1533 t.vtinfo = null; | |
| 1534 | |
| 1535 return t; | |
| 1536 } | |
| 1537 | |
| 1538 Type makeShared() | |
| 1539 { | |
| 1540 if (sto) | |
| 1541 return sto; | |
| 1542 | |
| 1543 Type t = clone(); | |
| 1544 t.mod = MOD.MODshared; | |
| 1545 | |
| 1546 t.deco = null; | |
| 1547 t.arrayof = null; | |
| 1548 t.pto = null; | |
| 1549 t.rto = null; | |
| 1550 t.cto = null; | |
| 1551 t.ito = null; | |
| 1552 t.sto = null; | |
| 1553 t.scto = null; | |
| 1554 t.vtinfo = null; | |
| 1555 | |
| 1556 return t; | |
| 1557 } | |
| 1558 | |
| 1559 Type makeSharedConst() | |
| 1560 { | |
| 1561 if (scto) | |
| 1562 return scto; | |
| 1563 | |
| 1564 Type t = clone(); | |
| 1565 t.mod = MODshared | MODconst; | |
| 1566 | |
| 1567 t.deco = null; | |
| 1568 t.arrayof = null; | |
| 1569 t.pto = null; | |
| 1570 t.rto = null; | |
| 1571 t.cto = null; | |
| 1572 t.ito = null; | |
| 1573 t.sto = null; | |
| 1574 t.scto = null; | |
| 1575 t.vtinfo = null; | |
| 1576 | |
| 1577 return t; | |
| 1578 } | |
| 1579 | |
| 1580 Dsymbol toDsymbol(Scope sc) | |
| 1581 { | |
| 1582 return null; | |
| 1583 } | |
| 1584 | |
| 1585 /******************************* | |
| 1586 * If this is a shell around another type, | |
| 1587 * get that other type. | |
| 1588 */ | |
| 1589 | |
| 1590 Type toBasetype() | |
| 1591 { | |
| 1592 return this; | |
| 1593 } | |
| 1594 | |
| 1595 /************************** | |
| 1596 * Return type with the top level of it being mutable. | |
| 1597 */ | |
| 1598 Type toHeadMutable() | |
| 1599 { | |
| 1600 if (!mod) | |
| 1601 return this; | |
| 1602 | |
| 1603 return mutableOf(); | |
| 1604 } | |
| 1605 | |
| 1606 bool isBaseOf(Type t, int* poffset) | |
| 1607 { | |
| 1608 return false; // assume not | |
| 1609 } | |
| 1610 | |
| 1611 /******************************* | |
| 1612 * Determine if converting 'this' to 'to' is an identity operation, | |
| 1613 * a conversion to const operation, or the types aren't the same. | |
| 1614 * Returns: | |
| 1615 * MATCHequal 'this' == 'to' | |
| 1616 * MATCHconst 'to' is const | |
| 1617 * MATCHnomatch conversion to mutable or invariant | |
| 1618 */ | |
| 1619 MATCH constConv(Type to) | |
| 1620 { | |
| 1621 if (equals(to)) | |
| 1622 return MATCH.MATCHexact; | |
| 1623 if (ty == to.ty && to.mod == MOD.MODconst) | |
| 1624 return MATCH.MATCHconst; | |
| 1625 return MATCH.MATCHnomatch; | |
| 1626 } | |
| 1627 | |
| 1628 /******************************** | |
| 1629 * Determine if 'this' can be implicitly converted | |
| 1630 * to type 'to'. | |
| 1631 * Returns: | |
| 1632 * MATCHnomatch, MATCHconvert, MATCHconst, MATCHexact | |
| 1633 */ | |
| 1634 MATCH implicitConvTo(Type to) | |
| 1635 { | |
| 1636 //printf("Type.implicitConvTo(this=%p, to=%p)\n", this, to); | |
| 1637 //printf("from: %s\n", toChars()); | |
| 1638 //printf("to : %s\n", to.toChars()); | |
| 1639 if (this is to) | |
| 1640 return MATCHexact; | |
| 1641 | |
| 1642 return MATCHnomatch; | |
| 1643 } | |
| 1644 | |
| 1645 ClassDeclaration isClassHandle() | |
| 1646 { | |
| 1647 return null; | |
| 1648 } | |
| 1649 | |
| 1650 Expression getProperty(Loc loc, Identifier ident) | |
| 1651 { | |
| 1652 Expression e; | |
| 1653 | |
| 1654 version (LOGDOTEXP) { | |
| 1655 printf("Type.getProperty(type = '%s', ident = '%s')\n", toChars(), ident.toChars()); | |
| 1656 } | |
| 1657 if (ident == Id.__sizeof) | |
| 1658 { | |
| 1659 e = new IntegerExp(loc, size(loc), Type.tsize_t); | |
| 1660 } | |
| 1661 else if (ident == Id.size) | |
| 1662 { | |
| 1663 error(loc, ".size property should be replaced with .sizeof"); | |
| 1664 e = new ErrorExp(); | |
| 1665 } | |
| 1666 else if (ident is Id.alignof_) | |
| 1667 { | |
| 1668 e = new IntegerExp(loc, alignsize(), Type.tsize_t); | |
| 1669 } | |
| 1670 else if (ident == Id.typeinfo_) | |
| 1671 { | |
| 1672 if (!global.params.useDeprecated) | |
| 1673 error(loc, ".typeinfo deprecated, use typeid(type)"); | |
| 1674 e = getTypeInfo(null); | |
| 1675 } | |
| 1676 else if (ident == Id.init_) | |
| 1677 { | |
| 1678 if (ty == TY.Tvoid) | |
| 1679 error(loc, "void does not have an initializer"); | |
| 1680 e = defaultInit(loc); | |
| 1681 } | |
| 1682 else if (ident is Id.mangleof_) | |
| 1683 { | |
| 1684 string s; | |
| 1685 if (!deco) { | |
| 1686 s = toChars(); | |
| 1687 error(loc, "forward reference of type %s.mangleof", s); | |
| 1688 } else { | |
| 1689 s = deco; | |
| 1690 } | |
| 1691 | |
| 1692 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
|
1693 scope Scope sc = new Scope(); |
| 0 | 1694 e = e.semantic(sc); |
| 1695 } | |
| 1696 else if (ident is Id.stringof_) | |
| 1697 { | |
| 1698 string s = toChars(); | |
| 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 | |
| 1704 { | |
| 1705 error(loc, "no property '%s' for type '%s'", ident.toChars(), toChars()); | |
| 1706 e = new ErrorExp(); | |
| 1707 } | |
| 1708 return e; | |
| 1709 } | |
| 1710 | |
| 1711 Expression dotExp(Scope sc, Expression e, Identifier ident) | |
| 1712 { | |
| 1713 VarDeclaration v = null; | |
| 1714 | |
| 1715 version (LOGDOTEXP) { | |
| 1716 printf("Type.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 1717 } | |
| 1718 if (e.op == TOK.TOKdotvar) | |
| 1719 { | |
| 1720 DotVarExp dv = cast(DotVarExp)e; | |
| 1721 v = dv.var.isVarDeclaration(); | |
| 1722 } | |
| 1723 else if (e.op == TOK.TOKvar) | |
| 1724 { | |
| 1725 VarExp ve = cast(VarExp)e; | |
| 1726 v = ve.var.isVarDeclaration(); | |
| 1727 } | |
| 1728 if (v) | |
| 1729 { | |
| 1730 if (ident is Id.offset) | |
| 1731 { | |
| 1732 if (!global.params.useDeprecated) | |
| 1733 error(e.loc, ".offset deprecated, use .offsetof"); | |
| 1734 goto Loffset; | |
| 1735 } | |
| 1736 else if (ident is Id.offsetof) | |
| 1737 { | |
| 1738 Loffset: | |
| 1739 if (v.storage_class & STC.STCfield) | |
| 1740 { | |
| 1741 e = new IntegerExp(e.loc, v.offset, Type.tsize_t); | |
| 1742 return e; | |
| 1743 } | |
| 1744 } | |
| 1745 else if (ident is Id.init_) | |
| 1746 { | |
| 1747 static if (false) { | |
| 1748 if (v.init) | |
| 1749 { | |
| 1750 if (v.init.isVoidInitializer()) | |
| 1751 error(e.loc, "%s.init is void", v.toChars()); | |
| 1752 else | |
| 1753 { Loc loc = e.loc; | |
| 1754 e = v.init.toExpression(); | |
| 1755 if (e.op == TOK.TOKassign || e.op == TOK.TOKconstruct || e.op == TOK.TOKblit) | |
| 1756 { | |
| 1757 e = (cast(AssignExp)e).e2; | |
| 1758 | |
| 1759 /* Take care of case where we used a 0 | |
| 1760 * to initialize the struct. | |
| 1761 */ | |
| 1762 if (e.type == Type.tint32 && | |
| 1763 e.isBool(0) && | |
| 1764 v.type.toBasetype().ty == TY.Tstruct) | |
| 1765 { | |
| 1766 e = v.type.defaultInit(e.loc); | |
| 1767 } | |
| 1768 } | |
| 1769 e = e.optimize(WANTvalue | WANTinterpret); | |
| 1770 // if (!e.isConst()) | |
| 1771 // error(loc, ".init cannot be evaluated at compile time"); | |
| 1772 } | |
|
130
60bb0fe4563e
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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121
diff
changeset
|
1773 goto Lreturn; |
| 0 | 1774 } |
| 1775 } | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
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diff
changeset
|
1776 e = defaultInit(e.loc); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
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diff
changeset
|
1777 goto Lreturn; |
| 0 | 1778 } |
| 1779 } | |
| 1780 if (ident is Id.typeinfo_) | |
| 1781 { | |
| 1782 if (!global.params.useDeprecated) | |
| 1783 error(e.loc, ".typeinfo deprecated, use typeid(type)"); | |
| 1784 e = getTypeInfo(sc); | |
| 1785 } | |
|
130
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dmdfe 2.037 first main iteration
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diff
changeset
|
1786 else if (ident is Id.stringof_) |
| 0 | 1787 { |
| 1788 string s = e.toChars(); | |
| 1789 e = new StringExp(e.loc, s, 'c'); | |
| 1790 } | |
|
130
60bb0fe4563e
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parents:
121
diff
changeset
|
1791 else |
|
60bb0fe4563e
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diff
changeset
|
1792 e = getProperty(e.loc, ident); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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diff
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|
1793 |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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121
diff
changeset
|
1794 Lreturn: |
|
60bb0fe4563e
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diff
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|
1795 e = e.semantic(sc); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
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parents:
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diff
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|
1796 return e; |
| 0 | 1797 } |
| 1798 | |
|
130
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|
1799 /*************************************** |
|
60bb0fe4563e
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diff
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|
1800 * Figures out what to do with an undefined member reference |
|
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diff
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|
1801 * for classes and structs. |
|
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|
1802 */ |
|
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diff
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|
1803 Expression noMember(Scope sc, Expression e, Identifier ident) |
|
60bb0fe4563e
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diff
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|
1804 { |
|
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parents:
121
diff
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|
1805 assert(ty == TY.Tstruct || ty == TY.Tclass); |
|
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diff
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|
1806 AggregateDeclaration sym = toDsymbol(sc).isAggregateDeclaration(); |
|
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|
1807 assert(sym); |
|
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1808 |
|
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|
1809 if (ident != Id.__sizeof && |
|
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1810 ident != Id.alignof && |
|
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|
1811 ident != Id.init && |
|
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1812 ident != Id.mangleof && |
|
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1813 ident != Id.stringof && |
|
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|
1814 ident != Idoffsetof) |
|
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1815 { |
|
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|
1816 /* See if we should forward to the alias this. |
|
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1817 */ |
|
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1818 if (sym.aliasthis) |
|
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1819 { /* Rewrite e.ident as: |
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1820 * e.aliasthis.ident |
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1821 */ |
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1822 e = new DotIdExp(e.loc, e, sym.aliasthis.ident); |
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1823 e = new DotIdExp(e.loc, e, ident); |
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1824 return e.semantic(sc); |
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1825 } |
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1826 |
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1827 /* Look for overloaded opDot() to see if we should forward request |
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1828 * to it. |
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1829 */ |
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1830 Dsymbol fd = search_function(sym, Id.opDot); |
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1831 if (fd) |
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1832 { /* Rewrite e.ident as: |
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1833 * e.opDot().ident |
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1834 */ |
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1835 e = build_overload(e.loc, sc, e, NULL, fd.ident); |
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1836 e = new DotIdExp(e.loc, e, ident); |
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1837 return e.semantic(sc); |
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1838 } |
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1839 |
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1840 /* Look for overloaded opDispatch to see if we should forward request |
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1841 * to it. |
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1842 */ |
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1843 fd = search_function(sym, Id.opDispatch); |
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1844 if (fd) |
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1845 { |
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1846 /* Rewrite e.ident as: |
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1847 * e.opDispatch!("ident") |
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1848 */ |
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1849 TemplateDeclaration td = fd.isTemplateDeclaration(); |
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1850 if (!td) |
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1851 { |
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1852 fd.error("must be a template opDispatch(string s), not a %s", fd.kind()); |
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1853 return new ErrorExp(); |
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1854 } |
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1855 auto se = new StringExp(e.loc, ident.toChars()); |
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1856 auto tiargs = new Objects(); |
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1857 tiargs.push(se); |
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1858 e = new DotTemplateInstanceExp(e.loc, e, Id.opDispatch, tiargs); |
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1859 (cast(DotTemplateInstanceExp)e).ti.tempdecl = td; |
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1860 return e; |
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1861 //return e.semantic(sc); |
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1862 } |
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1863 } |
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1864 |
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1865 return Type.dotExp(sc, e, ident); |
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1866 } |
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1867 |
| 0 | 1868 uint memalign(uint salign) |
| 1869 { | |
| 1870 return salign; | |
| 1871 } | |
| 1872 | |
| 1873 ///Expression defaultInit(Loc loc = Loc(0)) | |
| 1874 Expression defaultInit(Loc loc) | |
| 1875 { | |
| 1876 assert(false); | |
| 1877 } | |
| 1878 | |
| 1879 ///bool isZeroInit(Loc loc = Loc(0)) // if initializer is 0 | |
| 1880 bool isZeroInit(Loc loc) // if initializer is 0 | |
| 1881 { | |
| 1882 assert(false); | |
| 1883 } | |
| 1884 | |
| 1885 dt_t** toDt(dt_t** pdt) | |
| 1886 { | |
| 1887 //printf("Type.toDt()\n"); | |
| 1888 Expression e = defaultInit(Loc(0)); | |
| 1889 return e.toDt(pdt); | |
| 1890 } | |
| 1891 | |
| 1892 Identifier getTypeInfoIdent(int internal) | |
| 1893 { | |
| 1894 // _init_10TypeInfo_%s | |
| 1895 scope OutBuffer buf = new OutBuffer(); | |
| 1896 Identifier id; | |
| 1897 char* name; | |
| 1898 int len; | |
| 1899 | |
| 1900 if (internal) | |
| 1901 { | |
| 1902 buf.writeByte(mangleChar[ty]); | |
| 1903 if (ty == TY.Tarray) | |
| 1904 buf.writeByte(mangleChar[(cast(TypeArray)this).next.ty]); | |
| 1905 } | |
| 1906 else | |
| 1907 toDecoBuffer(buf); | |
| 1908 | |
| 1909 len = buf.offset; | |
|
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1910 version (Bug4054) |
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1911 name = cast(char*)GC.malloc(19 + len.sizeof * 3 + len + 1); |
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1912 else |
| 0 | 1913 name = cast(char*)alloca(19 + len.sizeof * 3 + len + 1); |
| 1914 buf.writeByte(0); | |
| 1915 version (TARGET_OSX) { | |
| 1916 // The LINKc will prepend the _ | |
| 1917 len = sprintf(name, "D%dTypeInfo_%s6__initZ".ptr, 9 + len, buf.data); | |
| 1918 } else { | |
| 1919 len = sprintf(name, "_D%dTypeInfo_%s6__initZ".ptr, 9 + len, buf.data); | |
| 1920 } | |
| 1921 if (global.params.isWindows) | |
| 1922 name++; // C mangling will add it back in | |
| 1923 //printf("name = %s\n", name); | |
| 1924 id = Lexer.idPool(name[0..len-1].idup); | |
| 1925 return id; | |
| 1926 } | |
| 1927 | |
| 1928 /* These form the heart of template argument deduction. | |
| 1929 * Given 'this' being the type argument to the template instance, | |
| 1930 * it is matched against the template declaration parameter specialization | |
| 1931 * 'tparam' to determine the type to be used for the parameter. | |
| 1932 * Example: | |
| 1933 * template Foo(T:T*) // template declaration | |
| 1934 * Foo!(int*) // template instantiation | |
| 1935 * Input: | |
| 1936 * this = int* | |
| 1937 * tparam = T | |
| 1938 * parameters = [ T:T* ] // Array of TemplateParameter's | |
| 1939 * Output: | |
| 1940 * dedtypes = [ int ] // Array of Expression/Type's | |
| 1941 */ | |
| 1942 MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) | |
| 1943 { | |
| 98 | 1944 static if (false) |
| 1945 { | |
| 0 | 1946 printf("Type.deduceType()\n"); |
| 1947 printf("\tthis = %d, ", ty); print(); | |
| 1948 printf("\ttparam = %d, ", tparam.ty); tparam.print(); | |
| 1949 } | |
| 1950 if (!tparam) | |
| 1951 goto Lnomatch; | |
| 1952 | |
| 1953 if (this == tparam) | |
| 1954 goto Lexact; | |
| 1955 | |
| 1956 if (tparam.ty == Tident) | |
| 1957 { | |
| 1958 // Determine which parameter tparam is | |
| 1959 int i = templateParameterLookup(tparam, parameters); | |
| 1960 if (i == -1) | |
| 1961 { | |
| 1962 if (!sc) | |
| 1963 goto Lnomatch; | |
| 1964 | |
| 1965 /* Need a loc to go with the semantic routine. | |
| 1966 */ | |
| 1967 Loc loc; | |
| 1968 if (parameters.dim) | |
| 1969 { | |
|
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1970 auto tp = parameters[0]; |
| 0 | 1971 loc = tp.loc; |
| 1972 } | |
| 1973 | |
| 1974 /* BUG: what if tparam is a template instance, that | |
| 1975 * has as an argument another Tident? | |
| 1976 */ | |
| 1977 tparam = tparam.semantic(loc, sc); | |
| 1978 assert(tparam.ty != Tident); | |
| 1979 return deduceType(sc, tparam, parameters, dedtypes); | |
| 1980 } | |
| 1981 | |
|
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1982 auto tp = parameters[i]; |
| 0 | 1983 |
| 1984 // Found the corresponding parameter tp | |
| 1985 if (!tp.isTemplateTypeParameter()) | |
| 1986 goto Lnomatch; | |
| 1987 Type tt = this; | |
|
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1988 Type at = cast(Type)dedtypes[i]; |
| 0 | 1989 |
| 98 | 1990 // 5*5 == 25 cases |
| 1991 static pure int X(int U, int T) { return ((U << 3) | T); } | |
| 1992 | |
| 1993 switch (X(tparam.mod, mod)) | |
| 1994 { | |
| 1995 case X(0, 0): | |
| 1996 case X(0, MODconst): | |
| 1997 case X(0, MODinvariant): | |
| 1998 case X(0, MODshared): | |
| 1999 case X(0, MODconst | MODshared): | |
| 2000 // foo(U:U) T => T | |
| 2001 // foo(U:U) const(T) => const(T) | |
| 2002 // foo(U:U) immutable(T) => immutable(T) | |
| 2003 // foo(U:U) shared(T) => shared(T) | |
| 2004 // foo(U:U) const(shared(T)) => const(shared(T)) | |
| 0 | 2005 if (!at) |
| 110 | 2006 { dedtypes[i] = tt; |
| 0 | 2007 goto Lexact; |
| 2008 } | |
| 98 | 2009 break; |
| 2010 | |
| 2011 case X(MODconst, MODconst): | |
| 2012 case X(MODinvariant, MODinvariant): | |
| 2013 case X(MODshared, MODshared): | |
| 2014 case X(MODconst | MODshared, MODconst | MODshared): | |
| 2015 // foo(U:const(U)) const(T) => T | |
| 2016 // foo(U:immutable(U)) immutable(T) => T | |
| 2017 // foo(U:shared(U)) shared(T) => T | |
| 2018 // foo(U:const(shared(U)) const(shared(T))=> T | |
| 2019 tt = mutableOf().unSharedOf(); | |
| 0 | 2020 if (!at) |
| 110 | 2021 { |
|
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2022 dedtypes[i] = tt; |
| 0 | 2023 goto Lexact; |
| 2024 } | |
| 98 | 2025 break; |
| 2026 | |
| 2027 case X(MODconst, 0): | |
| 2028 case X(MODconst, MODimmutable): | |
| 2029 case X(MODconst, MODconst | MODshared): | |
| 2030 case X(MODconst | MODshared, MODimmutable): | |
| 2031 // foo(U:const(U)) T => T | |
| 2032 // foo(U:const(U)) immutable(T) => T | |
| 2033 // foo(U:const(U)) const(shared(T)) => shared(T) | |
| 2034 // foo(U:const(shared(U)) immutable(T) => T | |
| 0 | 2035 tt = mutableOf(); |
| 2036 if (!at) | |
| 110 | 2037 { dedtypes[i] = tt; |
| 98 | 2038 goto Lconst; |
| 0 | 2039 } |
| 98 | 2040 break; |
| 2041 | |
| 2042 case X(MODshared, MODconst | MODshared): | |
| 2043 case X(MODconst | MODshared, MODshared): | |
| 2044 // foo(U:shared(U)) const(shared(T)) => const(T) | |
| 2045 // foo(U:const(shared(U)) shared(T) => T | |
| 2046 tt = unSharedOf(); | |
| 0 | 2047 if (!at) |
| 110 | 2048 { dedtypes[i] = tt; |
| 0 | 2049 goto Lconst; |
| 2050 } | |
| 98 | 2051 break; |
| 2052 | |
| 2053 case X(MODimmutable, 0): | |
| 2054 case X(MODimmutable, MODconst): | |
| 2055 case X(MODimmutable, MODshared): | |
| 2056 case X(MODimmutable, MODconst | MODshared): | |
| 2057 case X(MODconst, MODshared): | |
| 2058 case X(MODshared, 0): | |
| 2059 case X(MODshared, MODconst): | |
| 2060 case X(MODshared, MODimmutable): | |
| 2061 case X(MODconst | MODshared, 0): | |
| 2062 case X(MODconst | MODshared, MODconst): | |
| 2063 // foo(U:immutable(U)) T => nomatch | |
| 2064 // foo(U:immutable(U)) const(T) => nomatch | |
| 2065 // foo(U:immutable(U)) shared(T) => nomatch | |
| 2066 // foo(U:immutable(U)) const(shared(T)) => nomatch | |
| 2067 // foo(U:const(U)) shared(T) => nomatch | |
| 2068 // foo(U:shared(U)) T => nomatch | |
| 2069 // foo(U:shared(U)) const(T) => nomatch | |
| 2070 // foo(U:shared(U)) immutable(T) => nomatch | |
| 2071 // foo(U:const(shared(U)) T => nomatch | |
| 2072 // foo(U:const(shared(U)) const(T) => nomatch | |
| 2073 //if (!at) | |
| 0 | 2074 goto Lnomatch; |
| 98 | 2075 break; |
| 2076 | |
| 2077 default: | |
| 2078 assert(0); | |
| 0 | 2079 } |
| 2080 | |
| 2081 if (tt.equals(at)) | |
| 2082 goto Lexact; | |
| 2083 else if (tt.ty == Tclass && at.ty == Tclass) | |
| 2084 { | |
| 2085 return tt.implicitConvTo(at); | |
| 2086 } | |
| 2087 else if (tt.ty == Tsarray && at.ty == Tarray && | |
| 2088 tt.nextOf().implicitConvTo(at.nextOf()) >= MATCHconst) | |
| 2089 { | |
| 2090 goto Lexact; | |
| 2091 } | |
| 2092 else | |
| 2093 goto Lnomatch; | |
| 2094 } | |
| 2095 | |
| 2096 if (ty != tparam.ty) | |
| 2097 return implicitConvTo(tparam); | |
| 2098 // goto Lnomatch; | |
| 2099 | |
| 2100 if (nextOf()) | |
| 2101 return nextOf().deduceType(sc, tparam.nextOf(), parameters, dedtypes); | |
| 2102 | |
| 2103 Lexact: | |
| 2104 return MATCHexact; | |
| 2105 | |
| 2106 Lnomatch: | |
| 2107 return MATCHnomatch; | |
| 2108 | |
| 2109 version (DMDV2) { | |
| 2110 Lconst: | |
| 2111 return MATCHconst; | |
| 2112 } | |
| 2113 } | |
| 2114 | |
| 2115 void resolve(Loc loc, Scope sc, Expression* pe, Type* pt, Dsymbol* ps) | |
| 2116 { | |
| 2117 //printf("Type.resolve() %s, %d\n", toChars(), ty); | |
| 2118 Type t = semantic(loc, sc); | |
| 2119 *pt = t; | |
| 2120 *pe = null; | |
| 2121 *ps = null; | |
| 2122 } | |
| 2123 | |
| 2124 /******************************************* | |
| 2125 * Get a canonicalized form of the TypeInfo for use with the internal | |
| 2126 * runtime library routines. Canonicalized in that static arrays are | |
| 2127 * represented as dynamic arrays, enums are represented by their | |
| 2128 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
| 2129 * so we can use the custom internal ones more. | |
| 2130 */ | |
| 2131 Expression getInternalTypeInfo(Scope sc) | |
| 2132 { | |
| 2133 TypeInfoDeclaration tid; | |
| 2134 Expression e; | |
| 2135 Type t; | |
| 2136 static TypeInfoDeclaration internalTI[TMAX]; | |
| 2137 | |
| 2138 //printf("Type.getInternalTypeInfo() %s\n", toChars()); | |
| 2139 t = toBasetype(); | |
| 2140 switch (t.ty) | |
| 2141 { | |
| 2142 case Tsarray: | |
| 2143 static if (false) { | |
| 2144 // convert to corresponding dynamic array type | |
| 2145 t = t.nextOf().mutableOf().arrayOf(); | |
| 2146 } | |
| 2147 break; | |
| 2148 | |
| 2149 case Tclass: | |
| 2150 if ((cast(TypeClass)t).sym.isInterfaceDeclaration()) | |
| 2151 break; | |
| 2152 goto Linternal; | |
| 2153 | |
| 2154 case Tarray: | |
| 2155 // convert to corresponding dynamic array type | |
| 2156 t = t.nextOf().mutableOf().arrayOf(); | |
| 2157 if (t.nextOf().ty != Tclass) | |
| 2158 break; | |
| 2159 goto Linternal; | |
| 2160 | |
| 2161 case Tfunction: | |
| 2162 case Tdelegate: | |
| 2163 case Tpointer: | |
| 2164 Linternal: | |
| 2165 tid = internalTI[t.ty]; | |
| 2166 if (!tid) | |
| 2167 { | |
| 2168 tid = new TypeInfoDeclaration(t, 1); | |
| 2169 internalTI[t.ty] = tid; | |
| 2170 } | |
| 2171 e = new VarExp(Loc(0), tid); | |
| 2172 e = e.addressOf(sc); | |
| 2173 e.type = tid.type; // do this so we don't get redundant dereference | |
| 2174 return e; | |
| 2175 | |
| 2176 default: | |
| 2177 break; | |
| 2178 } | |
| 2179 //printf("\tcalling getTypeInfo() %s\n", t.toChars()); | |
| 2180 return t.getTypeInfo(sc); | |
| 2181 } | |
| 2182 | |
| 2183 /**************************************************** | |
| 2184 * Get the exact TypeInfo. | |
| 2185 */ | |
| 2186 Expression getTypeInfo(Scope sc) | |
| 2187 { | |
| 2188 Expression e; | |
| 2189 Type t; | |
| 2190 | |
| 2191 //printf("Type.getTypeInfo() %p, %s\n", this, toChars()); | |
| 2192 t = merge2(); // do this since not all Type's are merge'd | |
| 2193 if (!t.vtinfo) | |
| 2194 { | |
| 2195 version (DMDV2) { | |
| 2196 if (t.isShared()) // does both 'shared' and 'shared const' | |
| 2197 t.vtinfo = new TypeInfoSharedDeclaration(t); | |
| 2198 else if (t.isConst()) | |
| 2199 t.vtinfo = new TypeInfoConstDeclaration(t); | |
| 2200 else if (t.isInvariant()) | |
| 2201 t.vtinfo = new TypeInfoInvariantDeclaration(t); | |
| 2202 else | |
| 2203 t.vtinfo = t.getTypeInfoDeclaration(); | |
| 2204 } else { | |
| 2205 t.vtinfo = t.getTypeInfoDeclaration(); | |
| 2206 } | |
| 2207 assert(t.vtinfo); | |
| 2208 vtinfo = t.vtinfo; | |
| 2209 | |
| 2210 /* If this has a custom implementation in std/typeinfo, then | |
| 2211 * do not generate a COMDAT for it. | |
| 2212 */ | |
| 2213 if (!t.builtinTypeInfo()) | |
| 2214 { | |
| 2215 // Generate COMDAT | |
| 2216 if (sc) // if in semantic() pass | |
| 2217 { | |
| 2218 // Find module that will go all the way to an object file | |
| 2219 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
|
2220 m.members.push(t.vtinfo); |
| 0 | 2221 } |
| 2222 else // if in obj generation pass | |
| 2223 { | |
| 2224 t.vtinfo.toObjFile(global.params.multiobj); | |
| 2225 } | |
| 2226 } | |
| 2227 } | |
| 2228 e = new VarExp(Loc(0), t.vtinfo); | |
| 2229 e = e.addressOf(sc); | |
| 2230 e.type = t.vtinfo.type; // do this so we don't get redundant dereference | |
| 2231 return e; | |
| 2232 } | |
| 2233 | |
| 2234 TypeInfoDeclaration getTypeInfoDeclaration() | |
| 2235 { | |
| 2236 //printf("Type.getTypeInfoDeclaration() %s\n", toChars()); | |
| 2237 return new TypeInfoDeclaration(this, 0); | |
| 2238 } | |
| 2239 | |
| 2240 /* These decide if there's an instance for them already in std.typeinfo, | |
| 2241 * because then the compiler doesn't need to build one. | |
| 2242 */ | |
| 2243 bool builtinTypeInfo() | |
| 2244 { | |
| 2245 return false; | |
| 2246 } | |
| 2247 | |
| 2248 /******************************* | |
| 2249 * If one of the subtypes of this type is a TypeIdentifier, | |
| 2250 * i.e. it's an unresolved type, return that type. | |
| 2251 */ | |
| 2252 Type reliesOnTident() | |
| 2253 { | |
| 2254 return null; | |
| 2255 } | |
| 2256 | |
| 2257 Expression toExpression() | |
| 2258 { | |
| 2259 assert(false); | |
| 2260 } | |
| 2261 | |
| 2262 /*************************************** | |
| 2263 * Return true if type has pointers that need to | |
| 2264 * be scanned by the GC during a collection cycle. | |
| 2265 */ | |
| 2266 bool hasPointers() | |
| 2267 { | |
| 2268 return false; | |
| 2269 } | |
| 2270 | |
| 2271 /************************************* | |
| 2272 * If this is a type of something, return that something. | |
| 2273 */ | |
| 2274 Type nextOf() | |
| 2275 { | |
| 2276 return null; | |
| 2277 } | |
| 2278 | |
| 53 | 2279 /**************************************** |
| 2280 * Return the mask that an integral type will | |
| 2281 * fit into. | |
| 2282 */ | |
| 0 | 2283 ulong sizemask() |
| 2284 { | |
| 53 | 2285 ulong m; |
| 2286 | |
| 2287 switch (toBasetype().ty) | |
| 2288 { | |
| 2289 case Tbool: m = 1; break; | |
| 2290 case Tchar: | |
| 2291 case Tint8: | |
| 2292 case Tuns8: m = 0xFF; break; | |
| 2293 case Twchar: | |
| 2294 case Tint16: | |
| 2295 case Tuns16: m = 0xFFFFUL; break; | |
| 2296 case Tdchar: | |
| 2297 case Tint32: | |
| 2298 case Tuns32: m = 0xFFFFFFFFUL; break; | |
| 2299 case Tint64: | |
| 2300 case Tuns64: m = 0xFFFFFFFFFFFFFFFFUL; break; | |
| 2301 default: | |
| 2302 assert(0); | |
| 2303 } | |
| 2304 return m; | |
| 0 | 2305 } |
| 2306 | |
| 2307 static void error(T...)(Loc loc, string format, T t) | |
| 2308 { | |
| 2309 .error(loc, format, t); | |
| 2310 } | |
| 2311 | |
| 2312 static void warning(T...)(Loc loc, string format, T t) | |
| 2313 { | |
| 2314 assert(false); | |
| 2315 } | |
| 2316 | |
| 2317 // For backend | |
| 2318 /***************************** | |
| 2319 * Return back end type corresponding to D front end type. | |
| 2320 */ | |
| 2321 TYM totym() | |
| 2322 { | |
| 2323 TYM t; | |
| 2324 | |
| 2325 switch (ty) | |
| 2326 { | |
| 2327 case TY.Tvoid: t = TYM.TYvoid; break; | |
| 2328 case TY.Tint8: t = TYM.TYschar; break; | |
| 2329 case TY.Tuns8: t = TYM.TYuchar; break; | |
| 2330 case TY.Tint16: t = TYM.TYshort; break; | |
| 2331 case TY.Tuns16: t = TYM.TYushort; break; | |
| 2332 case TY.Tint32: t = TYM.TYint; break; | |
| 2333 case TY.Tuns32: t = TYM.TYuint; break; | |
| 2334 case TY.Tint64: t = TYM.TYllong; break; | |
| 2335 case TY.Tuns64: t = TYM.TYullong; break; | |
| 2336 case TY.Tfloat32: t = TYM.TYfloat; break; | |
| 2337 case TY.Tfloat64: t = TYM.TYdouble; break; | |
| 2338 case TY.Tfloat80: t = TYM.TYldouble; break; | |
| 2339 case TY.Timaginary32: t = TYM.TYifloat; break; | |
| 2340 case TY.Timaginary64: t = TYM.TYidouble; break; | |
| 2341 case TY.Timaginary80: t = TYM.TYildouble; break; | |
| 2342 case TY.Tcomplex32: t = TYM.TYcfloat; break; | |
| 2343 case TY.Tcomplex64: t = TYM.TYcdouble; break; | |
| 2344 case TY.Tcomplex80: t = TYM.TYcldouble; break; | |
| 2345 //case Tbit: t = TYM.TYuchar; break; | |
| 2346 case TY.Tbool: t = TYM.TYbool; break; | |
| 2347 case TY.Tchar: t = TYM.TYchar; break; | |
| 2348 version (XXX) { ///TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS | |
| 2349 case TY.Twchar: t = TYM.TYwchar_t; break; | |
| 2350 case TY.Tdchar: t = TYM.TYdchar; break; | |
| 2351 } else { | |
| 2352 case TY.Twchar: t = TYM.TYwchar_t; break; | |
| 2353 case TY.Tdchar: | |
| 2354 t = (global.params.symdebug == 1) ? TYM.TYdchar : TYM.TYulong; | |
| 2355 break; | |
| 2356 } | |
| 2357 | |
| 2358 case TY.Taarray: t = TYM.TYaarray; break; | |
| 2359 case TY.Tclass: | |
| 2360 case TY.Treference: | |
| 2361 case TY.Tpointer: t = TYM.TYnptr; break; | |
| 2362 case TY.Tdelegate: t = TYM.TYdelegate; break; | |
| 2363 case TY.Tarray: t = TYM.TYdarray; break; | |
| 98 | 2364 version(SARRAYVALUE) |
| 2365 { case TY.Tsarray: t = TYstruct; break;} | |
| 2366 else | |
| 2367 { case TY.Tsarray: t = TYM.TYarray; break;} | |
| 0 | 2368 case TY.Tstruct: t = TYM.TYstruct; break; |
| 2369 | |
| 2370 case TY.Tenum: | |
| 2371 case TY.Ttypedef: | |
| 2372 t = toBasetype().totym(); | |
| 2373 break; | |
| 2374 | |
| 2375 case TY.Tident: | |
| 2376 case TY.Ttypeof: | |
| 2377 debug { | |
| 2378 writef("ty = %d, '%s'\n", ty, toChars()); | |
| 2379 } | |
| 2380 error (Loc(0), "forward reference of %s", toChars()); | |
| 2381 t = TYM.TYint; | |
| 2382 break; | |
| 2383 | |
| 2384 default: | |
| 2385 debug { | |
| 2386 writef("ty = %d, '%s'\n", ty, toChars()); | |
| 2387 } | |
| 2388 assert(0); | |
| 2389 } | |
| 2390 | |
| 2391 version (DMDV2) { | |
| 2392 // Add modifiers | |
| 2393 switch (mod) | |
| 2394 { | |
| 2395 case MOD.MODundefined: | |
| 2396 break; | |
| 2397 case MOD.MODconst: | |
| 2398 t |= mTY.mTYconst; | |
| 2399 break; | |
| 2400 case MOD.MODinvariant: | |
| 2401 t |= mTY.mTYimmutable; | |
| 2402 break; | |
| 2403 case MOD.MODshared: | |
| 2404 t |= mTY.mTYshared; | |
| 2405 break; | |
| 2406 case MOD.MODshared | MOD.MODconst: | |
| 2407 t |= mTY.mTYshared | mTY.mTYconst; | |
| 2408 break; | |
| 2409 default: | |
| 2410 assert(0); | |
| 2411 } | |
| 2412 } | |
| 2413 | |
| 2414 return t; | |
| 2415 } | |
| 2416 | |
| 2417 /*************************************** | |
| 2418 * Convert from D type to C type. | |
| 2419 * This is done so C debug info can be generated. | |
| 2420 */ | |
| 2421 type* toCtype() | |
| 2422 { | |
| 2423 if (!ctype) | |
| 2424 { | |
| 2425 ctype = type_fake(totym()); | |
| 2426 ctype.Tcount++; | |
| 2427 } | |
| 2428 return ctype; | |
| 2429 } | |
| 2430 | |
| 2431 type* toCParamtype() | |
| 2432 { | |
| 2433 return toCtype(); | |
| 2434 } | |
| 2435 | |
| 2436 Symbol* toSymbol() | |
| 2437 { | |
| 2438 assert(false); | |
| 2439 } | |
| 2440 | |
| 2441 // For eliminating dynamic_cast | |
| 2442 TypeBasic isTypeBasic() | |
| 2443 { | |
| 2444 return null; | |
| 2445 } | |
| 2446 | |
| 2447 static Type tvoid() | |
| 2448 { | |
| 2449 return basic[TY.Tvoid]; | |
| 2450 } | |
| 2451 | |
| 2452 static Type tint8() | |
| 2453 { | |
| 2454 return basic[TY.Tint8]; | |
| 2455 } | |
| 2456 | |
| 2457 static Type tuns8() | |
| 2458 { | |
| 2459 return basic[TY.Tuns8]; | |
| 2460 } | |
| 2461 | |
| 2462 static Type tint16() | |
| 2463 { | |
| 2464 return basic[TY.Tint16]; | |
| 2465 } | |
| 2466 | |
| 2467 static Type tuns16() | |
| 2468 { | |
| 2469 return basic[TY.Tuns16]; | |
| 2470 } | |
| 2471 | |
| 2472 static Type tint32() | |
| 2473 { | |
| 2474 return basic[TY.Tint32]; | |
| 2475 } | |
| 2476 | |
| 2477 static Type tuns32() | |
| 2478 { | |
| 2479 return basic[TY.Tuns32]; | |
| 2480 } | |
| 2481 | |
| 2482 static Type tint64() | |
| 2483 { | |
| 2484 return basic[TY.Tint64]; | |
| 2485 } | |
| 2486 | |
| 2487 static Type tuns64() | |
| 2488 { | |
| 2489 return basic[TY.Tuns64]; | |
| 2490 } | |
| 2491 | |
| 2492 static Type tfloat32() | |
| 2493 { | |
| 2494 return basic[TY.Tfloat32]; | |
| 2495 } | |
| 2496 | |
| 2497 static Type tfloat64() | |
| 2498 { | |
| 2499 return basic[TY.Tfloat64]; | |
| 2500 } | |
| 2501 | |
| 2502 static Type tfloat80() | |
| 2503 { | |
| 2504 return basic[TY.Tfloat80]; | |
| 2505 } | |
| 2506 | |
| 2507 static Type timaginary32() | |
| 2508 { | |
| 2509 return basic[TY.Timaginary32]; | |
| 2510 } | |
| 2511 | |
| 2512 static Type timaginary64() | |
| 2513 { | |
| 2514 return basic[TY.Timaginary64]; | |
| 2515 } | |
| 2516 | |
| 2517 static Type timaginary80() | |
| 2518 { | |
| 2519 return basic[TY.Timaginary80]; | |
| 2520 } | |
| 2521 | |
| 2522 static Type tcomplex32() | |
| 2523 { | |
| 2524 return basic[TY.Tcomplex32]; | |
| 2525 } | |
| 2526 | |
| 2527 static Type tcomplex64() | |
| 2528 { | |
| 2529 return basic[TY.Tcomplex64]; | |
| 2530 } | |
| 2531 | |
| 2532 static Type tcomplex80() | |
| 2533 { | |
| 2534 return basic[TY.Tcomplex80]; | |
| 2535 } | |
| 2536 | |
| 2537 static Type tbit() | |
| 2538 { | |
| 2539 return basic[TY.Tbit]; | |
| 2540 } | |
| 2541 | |
| 2542 static Type tbool() | |
| 2543 { | |
| 2544 return basic[TY.Tbool]; | |
| 2545 } | |
| 2546 | |
| 2547 static Type tchar() | |
| 2548 { | |
| 2549 return basic[TY.Tchar]; | |
| 2550 } | |
| 2551 | |
| 2552 static Type twchar() | |
| 2553 { | |
| 2554 return basic[TY.Twchar]; | |
| 2555 } | |
| 2556 | |
| 2557 static Type tdchar() | |
| 2558 { | |
| 2559 return basic[TY.Tdchar]; | |
| 2560 } | |
| 2561 | |
| 2562 // Some special types | |
| 2563 static Type tshiftcnt() | |
| 2564 { | |
| 2565 return tint32; // right side of shift expression | |
| 2566 } | |
| 2567 | |
| 2568 // #define tboolean tint32 // result of boolean expression | |
| 2569 static Type tboolean() | |
| 2570 { | |
| 2571 return tbool; // result of boolean expression | |
| 2572 } | |
| 2573 | |
| 2574 static Type tindex() | |
| 2575 { | |
| 2576 return tint32; // array/ptr index | |
| 2577 } | |
| 2578 | |
| 2579 static Type tvoidptr; // void* | |
| 98 | 2580 static Type tstring; // immutable(char)[] |
| 2581 | |
| 0 | 2582 static Type terror() |
| 2583 { | |
| 2584 return basic[TY.Terror]; // for error recovery | |
| 2585 } | |
| 2586 | |
| 2587 static Type tsize_t() | |
| 2588 { | |
| 2589 return basic[Tsize_t]; // matches size_t alias | |
| 2590 } | |
| 2591 | |
| 2592 static Type tptrdiff_t() | |
| 2593 { | |
| 2594 return basic[Tptrdiff_t]; // matches ptrdiff_t alias | |
| 2595 } | |
| 2596 | |
| 2597 static Type thash_t() | |
| 2598 { | |
| 2599 return tsize_t; // matches hash_t alias | |
| 2600 } | |
|
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
|
2601 } |