Mercurial > projects > ddmd
annotate dmd/Type.d @ 98:5c859d5fbe27
and more
| author | Trass3r |
|---|---|
| date | Tue, 31 Aug 2010 03:53:49 +0200 |
| parents | ae5b11064a9a |
| children | 12c0c84d13fd |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Type; |
| 2 | |
| 3 import dmd.TY; | |
| 4 import dmd.Argument; | |
| 5 import dmd.TOK; | |
| 6 import dmd.STC; | |
| 7 import dmd.TypeArray; | |
| 8 import dmd.DotVarExp; | |
| 9 import dmd.ErrorExp; | |
| 10 import dmd.StringExp; | |
| 11 import dmd.IntegerExp; | |
| 12 import dmd.VarExp; | |
| 13 import dmd.TemplateParameter; | |
| 14 import dmd.TypeInfoSharedDeclaration; | |
| 15 import dmd.TypeInfoConstDeclaration; | |
| 16 import dmd.TypeInfoInvariantDeclaration; | |
| 17 import dmd.Module; | |
| 18 import dmd.Id; | |
| 19 import dmd.Util; | |
| 20 import dmd.VarDeclaration; | |
| 21 import dmd.Loc; | |
| 22 import dmd.Scope; | |
| 23 import dmd.OutBuffer; | |
| 24 import dmd.Identifier; | |
| 25 import dmd.HdrGenState; | |
| 26 import dmd.Expression; | |
| 27 import dmd.Dsymbol; | |
| 28 import dmd.MATCH; | |
| 29 import dmd.TypeInfoDeclaration; | |
| 30 import dmd.ClassDeclaration; | |
| 31 import dmd.StringTable; | |
| 32 import dmd.ArrayTypes; | |
| 33 import dmd.TypeBasic; | |
| 34 import dmd.DYNCAST; | |
| 35 import dmd.MOD; | |
| 36 import dmd.Lexer; | |
| 37 import dmd.TypeSArray; | |
| 38 import dmd.TypeDArray; | |
| 39 import dmd.TypeAArray; | |
| 40 import dmd.TypePointer; | |
| 41 import dmd.TypeReference; | |
| 42 import dmd.TypeFunction; | |
| 43 import dmd.TypeDelegate; | |
| 44 import dmd.TypeIdentifier; | |
| 45 import dmd.TypeInstance; | |
| 46 import dmd.TypeTypeof; | |
| 47 import dmd.TypeReturn; | |
| 48 import dmd.TypeStruct; | |
| 49 import dmd.TypeEnum; | |
| 50 import dmd.TypeTypedef; | |
| 51 import dmd.TypeClass; | |
| 52 import dmd.TypeTuple; | |
| 53 import dmd.TypeSlice; | |
| 54 import dmd.Global; | |
| 55 import dmd.StringValue; | |
| 56 | |
| 57 import dmd.backend.Symbol; | |
| 58 import dmd.backend.TYPE; | |
| 59 import dmd.backend.dt_t; | |
| 60 import dmd.backend.Util; | |
| 61 import dmd.backend.TYM; | |
| 62 import dmd.backend.mTY; | |
| 63 | |
| 64 import core.stdc.stdio; | |
| 65 | |
| 4 | 66 import core.memory; |
| 2 | 67 |
| 0 | 68 /* These have default values for 32 bit code, they get |
| 69 * adjusted for 64 bit code. | |
| 70 */ | |
| 71 | |
| 72 int PTRSIZE = 4; | |
| 73 | |
| 74 int Tsize_t; | |
| 75 int Tptrdiff_t; | |
| 76 | |
| 77 /* REALSIZE = size a real consumes in memory | |
| 78 * REALPAD = 'padding' added to the CPU real size to bring it up to REALSIZE | |
| 79 * REALALIGNSIZE = alignment for reals | |
| 80 */ | |
| 81 version (TARGET_OSX) { | |
| 82 int REALSIZE = 16; | |
| 83 int REALPAD = 6; | |
| 84 int REALALIGNSIZE = 16; | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
85 } else version (POSIX) { /// TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 86 int REALSIZE = 12; |
| 87 int REALPAD = 2; | |
| 88 int REALALIGNSIZE = 4; | |
| 89 } else { | |
| 90 int REALSIZE = 10; | |
| 91 int REALPAD = 0; | |
| 92 int REALALIGNSIZE = 2; | |
| 93 } | |
| 94 | |
| 95 /**** | |
| 96 * Given an identifier, figure out which TemplateParameter it is. | |
| 97 * Return -1 if not found. | |
| 98 */ | |
| 99 | |
| 100 int templateIdentifierLookup(Identifier id, TemplateParameters parameters) | |
| 101 { | |
| 102 for (size_t i = 0; i < parameters.dim; i++) | |
| 103 { | |
| 104 TemplateParameter tp = cast(TemplateParameter)parameters.data[i]; | |
| 105 | |
| 106 if (tp.ident.equals(id)) | |
| 107 return i; | |
| 108 } | |
| 109 return -1; | |
| 110 } | |
| 111 | |
| 112 int templateParameterLookup(Type tparam, TemplateParameters parameters) | |
| 113 { | |
| 114 assert(tparam.ty == Tident); | |
| 115 TypeIdentifier tident = cast(TypeIdentifier)tparam; | |
| 116 //printf("\ttident = '%s'\n", tident.toChars()); | |
| 117 if (tident.idents.dim == 0) | |
| 118 { | |
| 119 return templateIdentifierLookup(tident.ident, parameters); | |
| 120 } | |
| 121 return -1; | |
| 122 } | |
| 123 | |
| 124 class Type | |
| 125 { | |
| 126 TY ty; | |
| 127 MOD mod; // modifiers MODxxxx | |
| 128 /* pick this order of numbers so switch statements work better | |
| 129 */ | |
| 130 /// #define MODconst 1 // type is const | |
| 95 | 131 /// #define MODinvariant 4 // type is immutable |
| 132 /// #define MODimmutable 4 // type is immutable | |
| 0 | 133 /// #define MODshared 2 // type is shared |
| 134 string deco; | |
| 135 | |
| 136 /* These are cached values that are lazily evaluated by constOf(), invariantOf(), etc. | |
| 137 * They should not be referenced by anybody but mtype.c. | |
| 138 * They can be null if not lazily evaluated yet. | |
| 139 * Note that there is no "shared immutable", because that is just immutable | |
| 140 */ | |
| 141 | |
| 142 Type cto; // MODconst ? mutable version of this type : const version | |
| 143 Type ito; // MODinvariant ? mutable version of this type : invariant version | |
| 144 Type sto; // MODshared ? mutable version of this type : shared mutable version | |
| 145 Type scto; // MODshared|MODconst ? mutable version of this type : shared const version | |
| 146 | |
| 147 Type pto; // merged pointer to this type | |
| 148 Type rto; // reference to this type | |
| 149 Type arrayof; // array of this type | |
| 150 TypeInfoDeclaration vtinfo; // TypeInfo object for this Type | |
| 151 | |
| 152 type* ctype; // for back end | |
| 153 | |
| 154 static ClassDeclaration typeinfo; | |
| 155 static ClassDeclaration typeinfoclass; | |
| 156 static ClassDeclaration typeinfointerface; | |
| 157 static ClassDeclaration typeinfostruct; | |
| 158 static ClassDeclaration typeinfotypedef; | |
| 159 static ClassDeclaration typeinfopointer; | |
| 160 static ClassDeclaration typeinfoarray; | |
| 161 static ClassDeclaration typeinfostaticarray; | |
| 162 static ClassDeclaration typeinfoassociativearray; | |
| 163 static ClassDeclaration typeinfoenum; | |
| 164 static ClassDeclaration typeinfofunction; | |
| 165 static ClassDeclaration typeinfodelegate; | |
| 166 static ClassDeclaration typeinfotypelist; | |
| 167 static ClassDeclaration typeinfoconst; | |
| 168 static ClassDeclaration typeinfoinvariant; | |
| 169 static ClassDeclaration typeinfoshared; | |
| 170 | |
| 171 static Type basic[TY.TMAX]; | |
| 172 static ubyte mangleChar[TY.TMAX]; | |
| 173 static ubyte sizeTy[TY.TMAX]; | |
| 174 static StringTable stringtable; | |
| 175 | |
| 176 // These tables are for implicit conversion of binary ops; | |
| 177 // the indices are the type of operand one, followed by operand two. | |
| 178 static ubyte impcnvResult[TY.TMAX][TY.TMAX] = [ | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 194 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 199 [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], | |
| 200 [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], | |
| 201 [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], | |
| 202 [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], | |
| 203 [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], | |
| 204 [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], | |
| 205 [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], | |
| 206 [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], | |
| 207 [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], | |
| 208 [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], | |
| 209 [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], | |
| 210 [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], | |
| 211 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 212 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,29,30,31,37,33,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 222 ]; | |
| 223 | |
| 224 static ubyte impcnvType1[TY.TMAX][TY.TMAX] = [ | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 240 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,19,37,37,37,37,37,37,37,37,37], | |
| 245 [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], | |
| 246 [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], | |
| 247 [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], | |
| 248 [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], | |
| 249 [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], | |
| 250 [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], | |
| 251 [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], | |
| 252 [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], | |
| 253 [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], | |
| 254 [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], | |
| 255 [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], | |
| 256 [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], | |
| 257 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 258 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,23,24,25,23,24,25,37,33,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 268 ]; | |
| 269 | |
| 270 static ubyte impcnvType2[TY.TMAX][TY.TMAX] = [ | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 286 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,19,37,37,37,37,37,37,37,37,37], | |
| 291 [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], | |
| 292 [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], | |
| 293 [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], | |
| 294 [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], | |
| 295 [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], | |
| 296 [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], | |
| 297 [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], | |
| 298 [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], | |
| 299 [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], | |
| 300 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,23,23,23,23,23,23,23,23,23,24,25,26,27,28,29,30,31,37,23,37,37,37,37,37,37,37,37,37], | |
| 301 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,24,24,24,24,24,24,24,24,24,24,25,27,27,28,30,30,31,37,24,37,37,37,37,37,37,37,37,37], | |
| 302 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,25,25,25,25,25,25,25,25,25,25,25,28,28,28,31,31,31,37,25,37,37,37,37,37,37,37,37,37], | |
| 303 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 304 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,19,19,19,19,19,20,21,22,23,24,25,26,27,28,29,30,31,37,33,37,37,37,37,37,37,37,37,37], | |
| 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 [37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37], | |
| 314 ]; | |
| 315 | |
| 316 // If !=0, give warning on implicit conversion | |
| 317 static const(bool) impcnvWarn[TY.TMAX][TY.TMAX] = [ | |
| 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 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 333 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0], | |
| 334 [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], | |
| 335 [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], | |
| 336 [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], | |
| 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 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0], | |
| 339 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0], | |
| 340 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0], | |
| 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 [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], | |
| 361 ]; | |
| 362 | |
| 363 static this() | |
| 364 { | |
| 365 stringtable = new StringTable(); | |
| 366 } | |
| 367 | |
| 368 static ~this() | |
| 369 { | |
| 370 delete stringtable; | |
| 371 } | |
| 372 | |
| 373 this(TY ty) | |
| 374 { | |
| 375 this.ty = ty; | |
| 376 } | |
| 377 | |
| 378 Type syntaxCopy() | |
| 379 { | |
| 380 assert(false); | |
| 381 } | |
| 382 | |
| 45 | 383 bool equals(Object o) |
| 0 | 384 { |
| 385 Type t = cast(Type)o; | |
| 386 //printf("Type.equals(%s, %s)\n", toChars(), t.toChars()); | |
| 387 if (this is o || (t && deco == t.deco) && // deco strings are unique | |
| 388 deco !is null) // and semantic() has been run | |
| 389 { | |
| 390 //printf("deco = '%s', t.deco = '%s'\n", deco, t.deco); | |
| 391 return 1; | |
| 392 } | |
| 393 //if (deco && t && t.deco) printf("deco = '%s', t.deco = '%s'\n", deco, t.deco); | |
| 394 return 0; | |
| 395 } | |
| 396 | |
| 397 DYNCAST dyncast() { return DYNCAST.DYNCAST_TYPE; } // kludge for template.isType() | |
| 398 | |
| 399 /******************************* | |
| 98 | 400 * Covariant means that 'this' can substitute for 't'. |
| 0 | 401 * Returns: |
| 402 * 0 types are distinct | |
| 403 * 1 this is covariant with t | |
| 404 * 2 arguments match as far as overloading goes, | |
| 405 * but types are not covariant | |
| 406 * 3 cannot determine covariance because of forward references | |
| 407 */ | |
| 408 int covariant(Type t) | |
| 409 { | |
| 79 | 410 static if (false) |
| 411 { | |
| 0 | 412 printf("Type.covariant(t = %s) %s\n", t.toChars(), toChars()); |
| 413 printf("deco = %p, %p\n", deco, t.deco); | |
| 414 // printf("ty = %d\n", next.ty); | |
| 415 printf("mod = %x, %x\n", mod, t.mod); | |
| 416 } | |
| 417 | |
| 418 int inoutmismatch = 0; | |
| 419 | |
| 420 TypeFunction t1; | |
| 421 TypeFunction t2; | |
| 422 | |
| 423 if (equals(t)) | |
| 424 return 1; // covariant | |
| 425 | |
| 426 if (ty != TY.Tfunction || t.ty != TY.Tfunction) | |
| 427 goto Ldistinct; | |
| 428 | |
| 429 t1 = cast(TypeFunction)this; | |
| 430 t2 = cast(TypeFunction)t; | |
| 431 | |
| 432 if (t1.varargs != t2.varargs) | |
| 433 goto Ldistinct; | |
| 434 | |
| 435 if (t1.parameters && t2.parameters) | |
| 436 { | |
| 437 size_t dim = Argument.dim(t1.parameters); | |
| 438 if (dim != Argument.dim(t2.parameters)) | |
| 439 goto Ldistinct; | |
| 440 | |
| 441 for (size_t i = 0; i < dim; i++) | |
| 442 { | |
| 443 Argument arg1 = Argument.getNth(t1.parameters, i); | |
| 444 Argument arg2 = Argument.getNth(t2.parameters, i); | |
| 445 | |
| 446 if (!arg1.type.equals(arg2.type)) | |
| 447 { | |
| 448 ///static if (false) { | |
| 449 /// // turn on this for contravariant argument types, see bugzilla 3075 | |
| 98 | 450 /// // BUG: cannot convert ref to const to ref to immutable |
| 0 | 451 /// // We can add const, but not subtract it |
| 452 /// if (arg2.type.implicitConvTo(arg1.type) < MATCH.MATCHconst) | |
| 453 ///} | |
| 454 goto Ldistinct; | |
| 455 } | |
| 456 if ((arg1.storageClass & ~STC.STCscope) != (arg2.storageClass & ~STC.STCscope)) | |
| 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) | |
| 525 goto Lnotcovariant; | |
| 526 | |
| 527 //printf("\tcovaraint: 1\n"); | |
| 528 return 1; | |
| 529 | |
| 530 Ldistinct: | |
| 531 //printf("\tcovaraint: 0\n"); | |
| 532 return 0; | |
| 533 | |
| 534 Lnotcovariant: | |
| 535 //printf("\tcovaraint: 2\n"); | |
| 536 return 2; | |
| 537 } | |
| 538 | |
| 539 string toChars() | |
| 540 { | |
| 541 scope OutBuffer buf = new OutBuffer(); | |
| 542 | |
| 543 HdrGenState hgs; | |
| 544 toCBuffer(buf, null, &hgs); | |
| 545 return buf.toChars(); | |
| 546 } | |
| 547 | |
| 548 static char needThisPrefix() | |
| 549 { | |
| 550 return 'M'; // name mangling prefix for functions needing 'this' | |
| 551 } | |
| 552 | |
| 553 static void init() | |
| 554 { | |
| 555 Lexer.initKeywords(); | |
| 556 | |
| 557 for (int i = 0; i < TY.TMAX; i++) | |
| 558 sizeTy[i] = TypeBasic.sizeof; | |
| 559 | |
| 560 sizeTy[TY.Tsarray] = TypeSArray.sizeof; | |
| 561 sizeTy[TY.Tarray] = TypeDArray.sizeof; | |
| 562 //sizeTy[TY.Tnarray] = TypeNArray.sizeof; | |
| 563 sizeTy[TY.Taarray] = TypeAArray.sizeof; | |
| 564 sizeTy[TY.Tpointer] = TypePointer.sizeof; | |
| 565 sizeTy[TY.Treference] = TypeReference.sizeof; | |
| 566 sizeTy[TY.Tfunction] = TypeFunction.sizeof; | |
| 567 sizeTy[TY.Tdelegate] = TypeDelegate.sizeof; | |
| 568 sizeTy[TY.Tident] = TypeIdentifier.sizeof; | |
| 569 sizeTy[TY.Tinstance] = TypeInstance.sizeof; | |
| 570 sizeTy[TY.Ttypeof] = TypeTypeof.sizeof; | |
| 571 sizeTy[TY.Tenum] = TypeEnum.sizeof; | |
| 572 sizeTy[TY.Ttypedef] = TypeTypedef.sizeof; | |
| 573 sizeTy[TY.Tstruct] = TypeStruct.sizeof; | |
| 574 sizeTy[TY.Tclass] = TypeClass.sizeof; | |
| 575 sizeTy[TY.Ttuple] = TypeTuple.sizeof; | |
| 576 sizeTy[TY.Tslice] = TypeSlice.sizeof; | |
| 577 sizeTy[TY.Treturn] = TypeReturn.sizeof; | |
| 578 | |
| 579 mangleChar[TY.Tarray] = 'A'; | |
| 580 mangleChar[TY.Tsarray] = 'G'; | |
| 581 mangleChar[TY.Tnarray] = '@'; | |
| 582 mangleChar[TY.Taarray] = 'H'; | |
| 583 mangleChar[TY.Tpointer] = 'P'; | |
| 584 mangleChar[TY.Treference] = 'R'; | |
| 585 mangleChar[TY.Tfunction] = 'F'; | |
| 586 mangleChar[TY.Tident] = 'I'; | |
| 587 mangleChar[TY.Tclass] = 'C'; | |
| 588 mangleChar[TY.Tstruct] = 'S'; | |
| 589 mangleChar[TY.Tenum] = 'E'; | |
| 590 mangleChar[TY.Ttypedef] = 'T'; | |
| 591 mangleChar[TY.Tdelegate] = 'D'; | |
| 592 | |
| 593 mangleChar[TY.Tnone] = 'n'; | |
| 594 mangleChar[TY.Tvoid] = 'v'; | |
| 595 mangleChar[TY.Tint8] = 'g'; | |
| 596 mangleChar[TY.Tuns8] = 'h'; | |
| 597 mangleChar[TY.Tint16] = 's'; | |
| 598 mangleChar[TY.Tuns16] = 't'; | |
| 599 mangleChar[TY.Tint32] = 'i'; | |
| 600 mangleChar[TY.Tuns32] = 'k'; | |
| 601 mangleChar[TY.Tint64] = 'l'; | |
| 602 mangleChar[TY.Tuns64] = 'm'; | |
| 603 mangleChar[TY.Tfloat32] = 'f'; | |
| 604 mangleChar[TY.Tfloat64] = 'd'; | |
| 605 mangleChar[TY.Tfloat80] = 'e'; | |
| 606 | |
| 607 mangleChar[TY.Timaginary32] = 'o'; | |
| 608 mangleChar[TY.Timaginary64] = 'p'; | |
| 609 mangleChar[TY.Timaginary80] = 'j'; | |
| 610 mangleChar[TY.Tcomplex32] = 'q'; | |
| 611 mangleChar[TY.Tcomplex64] = 'r'; | |
| 612 mangleChar[TY.Tcomplex80] = 'c'; | |
| 613 | |
| 614 mangleChar[TY.Tbool] = 'b'; | |
| 615 mangleChar[TY.Tascii] = 'a'; | |
| 616 mangleChar[TY.Twchar] = 'u'; | |
| 617 mangleChar[TY.Tdchar] = 'w'; | |
| 618 | |
| 619 mangleChar[TY.Tbit] = '@'; | |
| 620 mangleChar[TY.Tinstance] = '@'; | |
| 621 mangleChar[TY.Terror] = '@'; | |
| 622 mangleChar[TY.Ttypeof] = '@'; | |
| 623 mangleChar[TY.Ttuple] = 'B'; | |
| 624 mangleChar[TY.Tslice] = '@'; | |
| 625 mangleChar[TY.Treturn] = '@'; | |
| 626 | |
| 627 debug { | |
| 628 for (int i = 0; i < TY.TMAX; i++) { | |
| 629 if (!mangleChar[i]) { | |
| 630 writef("ty = %d\n", i); | |
| 631 } | |
| 632 assert(mangleChar[i]); | |
| 633 } | |
| 634 } | |
| 635 // Set basic types | |
| 636 static TY[] basetab = [ | |
| 637 TY.Tvoid, TY.Tint8, TY.Tuns8, TY.Tint16, TY.Tuns16, TY.Tint32, TY.Tuns32, TY.Tint64, TY.Tuns64, | |
| 638 TY.Tfloat32, TY.Tfloat64, TY.Tfloat80, | |
| 639 TY.Timaginary32, TY.Timaginary64, TY.Timaginary80, | |
| 640 TY.Tcomplex32, TY.Tcomplex64, TY.Tcomplex80, | |
| 641 TY.Tbool, | |
| 642 TY.Tascii, TY.Twchar, TY.Tdchar | |
| 643 ]; | |
| 644 | |
| 645 foreach (bt; basetab) { | |
| 646 Type t = new TypeBasic(bt); | |
| 647 t = t.merge(); | |
| 648 basic[bt] = t; | |
| 649 } | |
| 650 | |
| 651 basic[TY.Terror] = basic[TY.Tint32]; | |
| 652 | |
| 653 tvoidptr = tvoid.pointerTo(); | |
| 98 | 654 tstring = tchar.invariantOf().arrayOf(); |
| 0 | 655 |
| 656 if (global.params.isX86_64) { | |
| 657 PTRSIZE = 8; | |
| 658 if (global.params.isLinux || global.params.isFreeBSD || global.params.isSolaris) | |
| 659 REALSIZE = 10; | |
| 660 else | |
| 661 REALSIZE = 8; | |
| 662 Tsize_t = TY.Tuns64; | |
| 663 Tptrdiff_t = TY.Tint64; | |
| 664 } | |
| 665 else | |
| 666 { | |
| 667 PTRSIZE = 4; | |
| 668 version (TARGET_OSX) { | |
| 669 REALSIZE = 16; | |
| 670 REALPAD = 6; | |
| 671 } else version (XXX) { //#elif TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS | |
| 672 REALSIZE = 12; | |
| 673 REALPAD = 2; | |
| 674 } else { | |
| 675 REALSIZE = 10; | |
| 676 REALPAD = 0; | |
| 677 } | |
| 678 Tsize_t = TY.Tuns32; | |
| 679 Tptrdiff_t = TY.Tint32; | |
| 680 } | |
| 681 } | |
| 682 | |
| 683 ulong size() | |
| 684 { | |
| 685 return size(Loc(0)); | |
| 686 } | |
| 687 | |
| 688 ulong size(Loc loc) | |
| 689 { | |
| 690 error(loc, "no size for type %s", toChars()); | |
| 691 return 1; | |
| 692 } | |
| 693 | |
| 694 uint alignsize() | |
| 695 { | |
| 696 return cast(uint)size(Loc(0)); /// | |
| 697 } | |
| 698 | |
| 699 Type semantic(Loc loc, Scope sc) | |
| 700 { | |
| 701 return merge(); | |
| 702 } | |
| 703 | |
| 704 Type trySemantic(Loc loc, Scope sc) | |
| 705 { | |
| 706 uint errors = global.errors; | |
| 707 global.gag++; // suppress printing of error messages | |
| 708 Type t = semantic(loc, sc); | |
| 709 global.gag--; | |
| 710 if (errors != global.errors) // if any errors happened | |
| 711 { | |
| 712 global.errors = errors; | |
| 713 t = null; | |
| 714 } | |
| 715 return t; | |
| 716 } | |
| 717 | |
| 718 /******************************** | |
| 719 * Name mangling. | |
| 720 * Input: | |
| 721 * flag 0x100 do not do const/invariant | |
| 722 */ | |
| 723 void toDecoBuffer(OutBuffer buf, int flag = 0) | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
16
diff
changeset
|
724 { |
| 0 | 725 if (flag != mod && flag != 0x100) |
| 726 { | |
| 727 if (mod & MOD.MODshared) | |
| 728 buf.writeByte('O'); | |
| 729 | |
| 730 if (mod & MOD.MODconst) | |
| 731 buf.writeByte('x'); | |
| 732 else if (mod & MOD.MODinvariant) | |
| 733 buf.writeByte('y'); | |
| 734 | |
| 735 // Cannot be both const and invariant | |
| 736 assert((mod & (MOD.MODconst | MOD.MODinvariant)) != (MOD.MODconst | MOD.MODinvariant)); | |
| 737 } | |
| 738 buf.writeByte(mangleChar[ty]); | |
| 739 } | |
| 740 | |
| 741 Type merge() | |
| 742 { | |
| 743 Type t = this; | |
| 744 assert(t); | |
| 745 | |
| 746 //printf("merge(%s)\n", toChars()); | |
| 747 if (deco is null) | |
| 748 { | |
| 749 OutBuffer buf = new OutBuffer(); | |
| 750 | |
| 751 //if (next) | |
| 752 //next = next.merge(); | |
| 753 toDecoBuffer(buf); | |
| 754 StringValue* sv = stringtable.update(buf.extractString()); | |
| 755 if (sv.ptrvalue) | |
| 756 { | |
| 757 t = cast(Type) sv.ptrvalue; | |
| 758 debug { | |
| 759 if (!t.deco) | |
| 760 writef("t = %s\n", t.toChars()); | |
| 761 } | |
| 762 assert(t.deco); | |
| 763 //printf("old value, deco = '%s' %p\n", t.deco, t.deco); | |
| 764 } | |
| 765 else | |
| 766 { | |
| 767 sv.ptrvalue = cast(void*)this; | |
| 768 deco = sv.lstring.string_; | |
| 769 //printf("new value, deco = '%s' %p\n", t.deco, t.deco); | |
| 770 } | |
| 771 } | |
| 772 return t; | |
| 773 } | |
| 774 | |
| 775 /************************************* | |
| 776 * This version does a merge even if the deco is already computed. | |
| 777 * Necessary for types that have a deco, but are not merged. | |
| 778 */ | |
| 779 Type merge2() | |
| 780 { | |
| 781 //printf("merge2(%s)\n", toChars()); | |
| 782 Type t = this; | |
| 783 assert(t); | |
| 784 if (!t.deco) | |
| 785 return t.merge(); | |
| 786 | |
| 787 StringValue* sv = stringtable.lookup(t.deco); | |
| 788 if (sv && sv.ptrvalue) | |
| 789 { | |
| 790 t = cast(Type)sv.ptrvalue; | |
| 791 assert(t.deco); | |
| 792 } | |
| 793 else | |
| 794 assert(0); | |
| 795 | |
| 796 return t; | |
| 797 } | |
| 798 | |
| 799 void toCBuffer(OutBuffer buf, Identifier ident, HdrGenState* hgs) | |
| 800 { | |
| 801 toCBuffer2(buf, hgs, MOD.MODundefined); | |
| 802 if (ident) | |
| 803 { | |
| 804 buf.writeByte(' '); | |
| 805 buf.writestring(ident.toChars()); | |
| 806 } | |
| 807 } | |
| 808 | |
| 809 void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) | |
| 810 { | |
| 811 if (mod != this.mod) | |
| 812 { | |
| 813 toCBuffer3(buf, hgs, mod); | |
| 814 return; | |
| 815 } | |
| 816 buf.writestring(toChars()); | |
| 817 } | |
| 818 | |
| 819 void toCBuffer3(OutBuffer buf, HdrGenState* hgs, MOD mod) | |
| 820 { | |
| 821 if (mod != this.mod) | |
| 822 { | |
| 823 string p; | |
| 824 | |
| 825 if (this.mod & MOD.MODshared) | |
| 826 buf.writestring("shared("); | |
| 827 | |
| 828 switch (this.mod & (MOD.MODconst | MOD.MODinvariant)) | |
| 829 { | |
| 830 case MOD.MODundefined: | |
| 831 toCBuffer2(buf, hgs, this.mod); | |
| 832 break; | |
| 833 case MOD.MODconst: | |
| 834 p = "const("; | |
| 835 goto L1; | |
| 836 case MOD.MODinvariant: | |
| 837 p = "immutable("; | |
| 838 L1: buf.writestring(p); | |
| 839 toCBuffer2(buf, hgs, this.mod); | |
| 840 buf.writeByte(')'); | |
| 841 break; | |
| 842 } | |
| 843 | |
| 844 if (this.mod & MOD.MODshared) | |
| 845 buf.writeByte(')'); | |
| 846 } | |
| 847 } | |
| 848 | |
| 849 void modToBuffer(OutBuffer buf) | |
| 850 { | |
| 851 if (mod & MOD.MODshared) | |
| 852 buf.writestring(" shared"); | |
| 853 if (mod & MOD.MODconst) | |
| 854 buf.writestring(" const"); | |
| 855 if (mod & MOD.MODinvariant) | |
| 856 buf.writestring(" immutable"); | |
| 857 } | |
| 858 | |
| 859 version (CPP_MANGLE) { | |
| 860 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 861 { | |
| 862 assert(false); | |
| 863 } | |
| 864 } | |
| 865 bool isintegral() | |
| 866 { | |
| 867 return false; | |
| 868 } | |
| 869 | |
| 870 bool isfloating() // real, imaginary, or complex | |
| 871 { | |
| 872 return false; | |
| 873 } | |
| 874 | |
| 875 bool isreal() | |
| 876 { | |
| 877 return false; | |
| 878 } | |
| 879 | |
| 880 bool isimaginary() | |
| 881 { | |
| 882 return false; | |
| 883 } | |
| 884 | |
| 885 bool iscomplex() | |
| 886 { | |
| 887 return false; | |
| 888 } | |
| 889 | |
| 890 bool isscalar() | |
| 891 { | |
| 892 return false; | |
| 893 } | |
| 894 | |
| 895 bool isunsigned() | |
| 896 { | |
| 897 return false; | |
| 898 } | |
| 899 | |
| 900 bool isauto() | |
| 901 { | |
| 902 return false; | |
| 903 } | |
| 904 | |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
4
diff
changeset
|
905 bool isString() |
| 0 | 906 { |
| 907 return false; | |
| 908 } | |
| 909 | |
| 910 /************************** | |
| 911 * Given: | |
| 912 * T a, b; | |
| 913 * Can we assign: | |
| 914 * a = b; | |
| 915 * ? | |
| 916 */ | |
| 73 | 917 bool isAssignable() |
| 0 | 918 { |
| 919 return true; | |
| 920 } | |
| 921 | |
| 922 bool checkBoolean() // if can be converted to boolean value | |
| 923 { | |
| 924 return isscalar(); | |
| 925 } | |
| 926 | |
| 927 /********************************* | |
| 928 * Check type to see if it is based on a deprecated symbol. | |
| 929 */ | |
| 930 void checkDeprecated(Loc loc, Scope sc) | |
| 931 { | |
| 932 Dsymbol s = toDsymbol(sc); | |
| 933 if (s) | |
| 934 s.checkDeprecated(loc, sc); | |
| 935 } | |
| 936 | |
| 937 bool isConst() { return (mod & MOD.MODconst) != 0; } | |
| 938 | |
| 939 int isInvariant() { return mod & MOD.MODinvariant; } | |
| 940 | |
| 941 int isMutable() { return !(mod & (MOD.MODconst | MOD.MODinvariant)); } | |
| 942 | |
| 943 int isShared() { return mod & MOD.MODshared; } | |
| 944 | |
| 945 int isSharedConst() { return mod == (MOD.MODshared | MOD.MODconst); } | |
| 946 | |
| 947 /******************************** | |
| 948 * Convert to 'const'. | |
| 949 */ | |
| 950 Type constOf() | |
| 951 { | |
| 952 //printf("Type.constOf() %p %s\n", this, toChars()); | |
| 953 if (mod == MOD.MODconst) | |
| 954 return this; | |
| 955 if (cto) | |
| 956 { | |
| 957 assert(cto.mod == MOD.MODconst); | |
| 958 return cto; | |
| 959 } | |
| 960 Type t = makeConst(); | |
| 961 t = t.merge(); | |
| 962 t.fixTo(this); | |
| 963 //printf("-Type.constOf() %p %s\n", t, toChars()); | |
| 964 return t; | |
| 965 } | |
| 966 | |
| 967 /******************************** | |
| 968 * Convert to 'immutable'. | |
| 969 */ | |
| 970 Type invariantOf() | |
| 971 { | |
| 972 //printf("Type.invariantOf() %p %s\n", this, toChars()); | |
| 973 if (isInvariant()) | |
| 974 { | |
| 975 return this; | |
| 976 } | |
| 977 if (ito) | |
| 978 { | |
| 979 assert(ito.isInvariant()); | |
| 980 return ito; | |
| 981 } | |
| 982 Type t = makeInvariant(); | |
| 983 t = t.merge(); | |
| 984 t.fixTo(this); | |
| 985 //printf("\t%p\n", t); | |
| 986 return t; | |
| 987 } | |
| 988 | |
| 989 Type mutableOf() | |
| 990 { | |
| 991 //printf("Type.mutableOf() %p, %s\n", this, toChars()); | |
| 992 Type t = this; | |
| 993 if (isConst()) | |
| 994 { | |
| 995 if (isShared()) | |
| 996 t = sto; // shared const => shared | |
| 997 else | |
| 998 t = cto; | |
| 999 assert(!t || t.isMutable()); | |
| 1000 } | |
| 1001 else if (isInvariant()) | |
| 1002 { | |
| 1003 t = ito; | |
| 1004 assert(!t || (t.isMutable() && !t.isShared())); | |
| 1005 } | |
| 1006 if (!t) | |
| 1007 { | |
| 1008 uint sz = this.classinfo.init.length; | |
| 2 | 1009 t = cast(Type)GC.malloc(sz); |
| 0 | 1010 memcpy(cast(void*)t, cast(void*)this, sz); |
| 98 | 1011 t.mod = mod & MODshared; |
| 0 | 1012 t.deco = null; |
| 1013 t.arrayof = null; | |
| 1014 t.pto = null; | |
| 1015 t.rto = null; | |
| 1016 t.cto = null; | |
| 1017 t.ito = null; | |
| 1018 t.sto = null; | |
| 1019 t.scto = null; | |
| 1020 t.vtinfo = null; | |
| 1021 t = t.merge(); | |
| 1022 | |
| 1023 t.fixTo(this); | |
| 1024 | |
| 1025 switch (mod) | |
| 1026 { | |
| 1027 case MODconst: | |
| 1028 t.cto = this; | |
| 1029 break; | |
| 1030 | |
| 1031 case MODinvariant: | |
| 1032 t.ito = this; | |
| 1033 break; | |
| 1034 | |
| 1035 case MODshared | MODconst: | |
| 1036 t.scto = this; | |
| 1037 break; | |
| 1038 | |
| 1039 default: | |
| 1040 assert(0); | |
| 1041 } | |
| 1042 } | |
| 1043 return t; | |
| 1044 } | |
| 1045 | |
| 1046 Type sharedOf() | |
| 1047 { | |
| 1048 //printf("Type.sharedOf() %p, %s\n", this, toChars()); | |
| 1049 if (mod == MOD.MODshared) | |
| 1050 { | |
| 1051 return this; | |
| 1052 } | |
| 1053 if (sto) | |
| 1054 { | |
| 1055 assert(sto.isShared()); | |
| 1056 return sto; | |
| 1057 } | |
| 1058 | |
| 1059 Type t = makeShared(); | |
| 1060 t = t.merge(); | |
| 1061 t.fixTo(this); | |
| 1062 | |
| 1063 //printf("\t%p\n", t); | |
| 1064 return t; | |
| 1065 } | |
| 1066 | |
| 1067 Type sharedConstOf() | |
| 1068 { | |
| 1069 //printf("Type.sharedConstOf() %p, %s\n", this, toChars()); | |
| 1070 if (mod == (MODshared | MODconst)) | |
| 1071 { | |
| 1072 return this; | |
| 1073 } | |
| 1074 if (scto) | |
| 1075 { | |
| 1076 assert(scto.mod == (MODshared | MODconst)); | |
| 1077 return scto; | |
| 1078 } | |
| 1079 | |
| 1080 Type t = makeSharedConst(); | |
| 1081 t = t.merge(); | |
| 1082 t.fixTo(this); | |
| 1083 //printf("\t%p\n", t); | |
| 1084 | |
| 1085 return t; | |
| 1086 } | |
| 98 | 1087 |
| 1088 /******************************** | |
| 1089 * Make type unshared. | |
| 1090 */ | |
| 1091 Type unSharedOf() | |
| 1092 { | |
| 1093 //writef("Type::unSharedOf() %p, %s\n", this, toChars()); | |
| 1094 Type t = this; | |
| 1095 | |
| 1096 if (isShared()) | |
| 1097 { | |
| 1098 if (isConst()) | |
| 1099 t = cto; // shared const => const | |
| 1100 else | |
| 1101 t = sto; | |
| 1102 assert(!t || !t.isShared()); | |
| 1103 } | |
| 1104 | |
| 1105 if (!t) | |
| 1106 { | |
| 1107 uint sz = this.classinfo.init.length; | |
| 1108 t = cast(Type)GC.malloc(sz); | |
| 1109 memcpy(cast(void*)t, cast(void*)this, sz); | |
| 1110 t.mod = mod & ~MODshared; | |
| 1111 t.deco = null; | |
| 1112 t.arrayof = null; | |
| 1113 t.pto = null; | |
| 1114 t.rto = null; | |
| 1115 t.cto = null; | |
| 1116 t.ito = null; | |
| 1117 t.sto = null; | |
| 1118 t.scto = null; | |
| 1119 t.vtinfo = null; | |
| 1120 t = t.merge(); | |
| 0 | 1121 |
| 98 | 1122 t.fixTo(this); |
| 1123 | |
| 1124 switch (mod) | |
| 1125 { | |
| 1126 case MODshared: | |
| 1127 t.sto = this; | |
| 1128 break; | |
| 1129 | |
| 1130 case MODshared | MODconst: | |
| 1131 t.scto = this; | |
| 1132 break; | |
| 1133 | |
| 1134 default: | |
| 1135 assert(0); | |
| 1136 } | |
| 1137 } | |
| 1138 assert(!t.isShared()); | |
| 1139 return t; | |
| 1140 } | |
| 1141 | |
| 0 | 1142 static uint X(MOD m, MOD n) |
| 1143 { | |
| 1144 return (((m) << 3) | (n)); | |
| 1145 } | |
| 1146 | |
| 1147 /********************************** | |
| 1148 * For our new type 'this', which is type-constructed from t, | |
| 1149 * fill in the cto, ito, sto, scto shortcuts. | |
| 1150 */ | |
| 1151 void fixTo(Type t) | |
| 1152 { | |
| 1153 ito = t.ito; | |
| 1154 static if (false) { | |
| 1155 /* Cannot do these because these are not fully transitive: | |
| 1156 * there can be a shared ptr to immutable, for example. | |
| 1157 * Immutable subtypes are always immutable, though. | |
| 1158 */ | |
| 1159 cto = t.cto; | |
| 1160 sto = t.sto; | |
| 1161 scto = t.scto; | |
| 1162 } | |
| 1163 | |
| 1164 assert(mod != t.mod); | |
| 1165 | |
| 1166 switch (X(mod, t.mod)) | |
| 1167 { | |
| 1168 case X(MOD.MODundefined, MOD.MODconst): | |
| 1169 cto = t; | |
| 1170 break; | |
| 1171 | |
| 1172 case X(MOD.MODundefined, MOD.MODinvariant): | |
| 1173 ito = t; | |
| 1174 break; | |
| 1175 | |
| 1176 case X(MOD.MODundefined, MOD.MODshared): | |
| 1177 sto = t; | |
| 1178 break; | |
| 1179 | |
| 1180 case X(MOD.MODundefined, MOD.MODshared | MOD.MODconst): | |
| 1181 scto = t; | |
| 1182 break; | |
| 1183 | |
| 1184 | |
| 1185 case X(MOD.MODconst, MOD.MODundefined): | |
| 1186 cto = null; | |
| 1187 goto L2; | |
| 1188 | |
| 1189 case X(MOD.MODconst, MOD.MODinvariant): | |
| 1190 ito = t; | |
| 1191 goto L2; | |
| 1192 | |
| 1193 case X(MOD.MODconst, MOD.MODshared): | |
| 1194 sto = t; | |
| 1195 goto L2; | |
| 1196 | |
| 1197 case X(MOD.MODconst, MOD.MODshared | MOD.MODconst): | |
| 1198 scto = t; | |
| 1199 L2: | |
| 1200 t.cto = this; | |
| 1201 break; | |
| 1202 | |
| 1203 | |
| 1204 case X(MOD.MODinvariant, MOD.MODundefined): | |
| 1205 ito = null; | |
| 1206 goto L3; | |
| 1207 | |
| 1208 case X(MOD.MODinvariant, MOD.MODconst): | |
| 1209 cto = t; | |
| 1210 goto L3; | |
| 1211 | |
| 1212 case X(MOD.MODinvariant, MOD.MODshared): | |
| 1213 sto = t; | |
| 1214 goto L3; | |
| 1215 | |
| 1216 case X(MOD.MODinvariant, MOD.MODshared | MOD.MODconst): | |
| 1217 scto = t; | |
| 1218 L3: | |
| 1219 t.ito = this; | |
| 1220 if (t.cto) t.cto.ito = this; | |
| 1221 if (t.sto) t.sto.ito = this; | |
| 1222 if (t.scto) t.scto.ito = this; | |
| 1223 break; | |
| 1224 | |
| 1225 | |
| 1226 case X(MOD.MODshared, MOD.MODundefined): | |
| 1227 sto = null; | |
| 1228 goto L4; | |
| 1229 | |
| 1230 case X(MOD.MODshared, MOD.MODconst): | |
| 1231 cto = t; | |
| 1232 goto L4; | |
| 1233 | |
| 1234 case X(MOD.MODshared, MOD.MODinvariant): | |
| 1235 ito = t; | |
| 1236 goto L4; | |
| 1237 | |
| 1238 case X(MOD.MODshared, MOD.MODshared | MOD.MODconst): | |
| 1239 scto = t; | |
| 1240 L4: | |
| 1241 t.sto = this; | |
| 1242 break; | |
| 1243 | |
| 1244 | |
| 1245 case X(MOD.MODshared | MOD.MODconst, MOD.MODundefined): | |
| 1246 scto = null; | |
| 1247 break; | |
| 1248 | |
| 1249 case X(MOD.MODshared | MOD.MODconst, MOD.MODconst): | |
| 1250 cto = t; | |
| 1251 break; | |
| 1252 | |
| 1253 case X(MOD.MODshared | MOD.MODconst, MOD.MODinvariant): | |
| 1254 ito = t; | |
| 1255 break; | |
| 1256 | |
| 1257 case X(MOD.MODshared | MOD.MODconst, MOD.MODshared): | |
| 1258 sto = t; | |
| 1259 L5: | |
| 1260 t.scto = this; | |
| 1261 break; | |
| 1262 } | |
| 1263 | |
| 1264 check(); | |
| 1265 t.check(); | |
| 1266 //printf("fixTo: %s, %s\n", toChars(), t.toChars()); | |
| 1267 } | |
| 1268 | |
| 1269 /*************************** | |
| 1270 * Look for bugs in constructing types. | |
| 1271 */ | |
| 1272 void check() | |
| 1273 { | |
| 1274 switch (mod) | |
| 1275 { | |
| 1276 case MOD.MODundefined: | |
| 1277 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1278 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1279 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1280 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1281 break; | |
| 1282 | |
| 1283 case MOD.MODconst: | |
| 1284 if (cto) assert(cto.mod == MOD.MODundefined); | |
| 1285 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1286 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1287 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1288 break; | |
| 1289 | |
| 1290 case MOD.MODinvariant: | |
| 1291 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1292 if (ito) assert(ito.mod == MOD.MODundefined); | |
| 1293 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1294 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1295 break; | |
| 1296 | |
| 1297 case MOD.MODshared: | |
| 1298 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1299 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1300 if (sto) assert(sto.mod == MOD.MODundefined); | |
| 1301 if (scto) assert(scto.mod == (MOD.MODshared | MOD.MODconst)); | |
| 1302 break; | |
| 1303 | |
| 1304 case MOD.MODshared | MOD.MODconst: | |
| 1305 if (cto) assert(cto.mod == MOD.MODconst); | |
| 1306 if (ito) assert(ito.mod == MOD.MODinvariant); | |
| 1307 if (sto) assert(sto.mod == MOD.MODshared); | |
| 1308 if (scto) assert(scto.mod == MOD.MODundefined); | |
| 1309 break; | |
| 1310 } | |
| 1311 | |
| 1312 Type tn = nextOf(); | |
| 1313 if (tn && ty != TY.Tfunction && ty != TY.Tdelegate) | |
| 1314 { | |
| 1315 // Verify transitivity | |
| 1316 switch (mod) | |
| 1317 { | |
| 1318 case MOD.MODundefined: | |
| 1319 break; | |
| 1320 | |
| 1321 case MOD.MODconst: | |
| 1322 assert(tn.mod & MOD.MODinvariant || tn.mod & MOD.MODconst); | |
| 1323 break; | |
| 1324 | |
| 1325 case MOD.MODinvariant: | |
| 1326 assert(tn.mod == MOD.MODinvariant); | |
| 1327 break; | |
| 1328 | |
| 1329 case MOD.MODshared: | |
| 1330 assert(tn.mod & MOD.MODinvariant || tn.mod & MOD.MODshared); | |
| 1331 break; | |
| 1332 | |
| 1333 case MOD.MODshared | MOD.MODconst: | |
| 1334 assert(tn.mod & MOD.MODinvariant || tn.mod & (MOD.MODshared | MOD.MODconst)); | |
| 1335 break; | |
| 1336 } | |
| 1337 tn.check(); | |
| 1338 } | |
| 1339 } | |
| 1340 | |
| 51 | 1341 /************************************ |
| 1342 * Apply MODxxxx bits to existing type. | |
| 1343 */ | |
| 0 | 1344 Type castMod(uint mod) |
| 1345 { | |
| 51 | 1346 Type t; |
| 1347 | |
| 1348 switch (mod) | |
| 1349 { | |
| 1350 case 0: | |
| 1351 t = mutableOf(); | |
| 1352 break; | |
| 1353 | |
| 1354 case MODconst: | |
| 1355 t = constOf(); | |
| 1356 break; | |
| 1357 | |
| 1358 case MODinvariant: | |
| 1359 t = invariantOf(); | |
| 1360 break; | |
| 1361 | |
| 1362 case MODshared: | |
| 1363 t = sharedOf(); | |
| 1364 break; | |
| 1365 | |
| 1366 case MODshared | MODconst: | |
| 1367 t = sharedConstOf(); | |
| 1368 break; | |
| 1369 | |
| 1370 default: | |
| 1371 assert(0); | |
| 1372 } | |
| 1373 return t; | |
| 0 | 1374 } |
| 1375 | |
| 1376 /************************************ | |
| 1377 * Add MODxxxx bits to existing type. | |
| 1378 * We're adding, not replacing, so adding const to | |
| 1379 * a shared type => "shared const" | |
| 1380 */ | |
| 1381 Type addMod(MOD mod) | |
| 1382 { | |
| 1383 Type t = this; | |
| 1384 | |
| 1385 /* Add anything to immutable, and it remains immutable | |
| 1386 */ | |
| 1387 if (!t.isInvariant()) | |
| 1388 { | |
| 1389 switch (mod) | |
| 1390 { | |
| 1391 case MOD.MODundefined: | |
| 1392 break; | |
| 1393 | |
| 1394 case MOD.MODconst: | |
| 1395 if (isShared()) | |
| 1396 t = sharedConstOf(); | |
| 1397 else | |
| 1398 t = constOf(); | |
| 1399 break; | |
| 1400 | |
| 1401 case MOD.MODinvariant: | |
| 1402 t = invariantOf(); | |
| 1403 break; | |
| 1404 | |
| 1405 case MOD.MODshared: | |
| 1406 if (isConst()) | |
| 1407 t = sharedConstOf(); | |
| 1408 else | |
| 1409 t = sharedOf(); | |
| 1410 break; | |
| 1411 | |
| 1412 case MOD.MODshared | MOD.MODconst: | |
| 1413 t = sharedConstOf(); | |
| 1414 break; | |
| 1415 } | |
| 1416 } | |
| 1417 return t; | |
| 1418 } | |
| 1419 | |
| 1420 Type addStorageClass(STC stc) | |
| 1421 { | |
| 1422 /* Just translate to MOD bits and let addMod() do the work | |
| 1423 */ | |
| 1424 MOD mod = MOD.MODundefined; | |
| 1425 | |
| 1426 if (stc & STC.STCimmutable) | |
| 1427 mod = MOD.MODinvariant; | |
| 1428 else | |
| 1429 { | |
| 1430 if (stc & (STC.STCconst | STC.STCin)) | |
| 1431 mod = MOD.MODconst; | |
| 1432 if (stc & STC.STCshared) | |
| 1433 mod |= MOD.MODshared; | |
| 1434 } | |
| 1435 | |
| 1436 return addMod(mod); | |
| 1437 } | |
| 1438 | |
| 1439 Type pointerTo() | |
| 1440 { | |
| 1441 if (pto is null) | |
| 1442 { | |
| 1443 Type t = new TypePointer(this); | |
| 1444 pto = t.merge(); | |
| 1445 } | |
| 1446 | |
| 1447 return pto; | |
| 1448 } | |
| 1449 | |
| 1450 Type referenceTo() | |
| 1451 { | |
| 1452 assert(false); | |
| 1453 } | |
| 1454 | |
| 1455 version (DumbClone) { | |
| 1456 final Type clone() | |
| 1457 { | |
| 1458 auto size = this.classinfo.init.length; | |
| 2 | 1459 auto ptr = GC.malloc(size); |
| 0 | 1460 memcpy(ptr, cast(void*)this, size); |
| 1461 | |
| 1462 return cast(Type)ptr; | |
| 1463 } | |
| 1464 } else { | |
| 1465 final Type cloneTo(Type t) | |
| 1466 { | |
| 1467 t.ctype = ctype; | |
| 1468 return t; | |
| 1469 } | |
| 1470 | |
| 1471 Type clone() | |
| 1472 { | |
| 1473 assert(this.classinfo is Type.classinfo); | |
| 1474 return cloneTo(new Type(ty)); | |
| 1475 } | |
| 1476 } | |
| 1477 | |
| 1478 Type arrayOf() | |
| 1479 { | |
| 1480 if (!arrayof) | |
| 1481 { | |
| 1482 Type t = new TypeDArray(this); | |
| 1483 arrayof = t.merge(); | |
| 1484 } | |
| 1485 return arrayof; | |
| 1486 } | |
| 1487 | |
| 1488 Type makeConst() | |
| 1489 { | |
| 1490 //printf("Type.makeConst() %p, %s\n", this, toChars()); | |
| 1491 if (cto) | |
| 1492 return cto; | |
| 1493 | |
| 1494 Type t = clone(); | |
| 1495 t.mod = MOD.MODconst; | |
| 1496 | |
| 1497 t.deco = null; | |
| 1498 t.arrayof = null; | |
| 1499 t.pto = null; | |
| 1500 t.rto = null; | |
| 1501 t.cto = null; | |
| 1502 t.ito = null; | |
| 1503 t.sto = null; | |
| 1504 t.scto = null; | |
| 1505 t.vtinfo = null; | |
| 1506 | |
| 1507 //printf("-Type.makeConst() %p, %s\n", t, toChars()); | |
| 1508 return t; | |
| 1509 } | |
| 1510 | |
| 1511 Type makeInvariant() | |
| 1512 { | |
| 1513 if (ito) { | |
| 1514 return ito; | |
| 1515 } | |
| 1516 | |
| 1517 Type t = clone(); | |
| 1518 t.mod = MOD.MODinvariant; | |
| 1519 | |
| 1520 t.deco = null; | |
| 1521 t.arrayof = null; | |
| 1522 t.pto = null; | |
| 1523 t.rto = null; | |
| 1524 t.cto = null; | |
| 1525 t.ito = null; | |
| 1526 t.sto = null; | |
| 1527 t.scto = null; | |
| 1528 t.vtinfo = null; | |
| 1529 | |
| 1530 return t; | |
| 1531 } | |
| 1532 | |
| 1533 Type makeShared() | |
| 1534 { | |
| 1535 if (sto) | |
| 1536 return sto; | |
| 1537 | |
| 1538 Type t = clone(); | |
| 1539 t.mod = MOD.MODshared; | |
| 1540 | |
| 1541 t.deco = null; | |
| 1542 t.arrayof = null; | |
| 1543 t.pto = null; | |
| 1544 t.rto = null; | |
| 1545 t.cto = null; | |
| 1546 t.ito = null; | |
| 1547 t.sto = null; | |
| 1548 t.scto = null; | |
| 1549 t.vtinfo = null; | |
| 1550 | |
| 1551 return t; | |
| 1552 } | |
| 1553 | |
| 1554 Type makeSharedConst() | |
| 1555 { | |
| 1556 if (scto) | |
| 1557 return scto; | |
| 1558 | |
| 1559 Type t = clone(); | |
| 1560 t.mod = MODshared | MODconst; | |
| 1561 | |
| 1562 t.deco = null; | |
| 1563 t.arrayof = null; | |
| 1564 t.pto = null; | |
| 1565 t.rto = null; | |
| 1566 t.cto = null; | |
| 1567 t.ito = null; | |
| 1568 t.sto = null; | |
| 1569 t.scto = null; | |
| 1570 t.vtinfo = null; | |
| 1571 | |
| 1572 return t; | |
| 1573 } | |
| 1574 | |
| 1575 Dsymbol toDsymbol(Scope sc) | |
| 1576 { | |
| 1577 return null; | |
| 1578 } | |
| 1579 | |
| 1580 /******************************* | |
| 1581 * If this is a shell around another type, | |
| 1582 * get that other type. | |
| 1583 */ | |
| 1584 | |
| 1585 Type toBasetype() | |
| 1586 { | |
| 1587 return this; | |
| 1588 } | |
| 1589 | |
| 1590 /************************** | |
| 1591 * Return type with the top level of it being mutable. | |
| 1592 */ | |
| 1593 Type toHeadMutable() | |
| 1594 { | |
| 1595 if (!mod) | |
| 1596 return this; | |
| 1597 | |
| 1598 return mutableOf(); | |
| 1599 } | |
| 1600 | |
| 1601 bool isBaseOf(Type t, int* poffset) | |
| 1602 { | |
| 1603 return false; // assume not | |
| 1604 } | |
| 1605 | |
| 1606 /******************************* | |
| 1607 * Determine if converting 'this' to 'to' is an identity operation, | |
| 1608 * a conversion to const operation, or the types aren't the same. | |
| 1609 * Returns: | |
| 1610 * MATCHequal 'this' == 'to' | |
| 1611 * MATCHconst 'to' is const | |
| 1612 * MATCHnomatch conversion to mutable or invariant | |
| 1613 */ | |
| 1614 MATCH constConv(Type to) | |
| 1615 { | |
| 1616 if (equals(to)) | |
| 1617 return MATCH.MATCHexact; | |
| 1618 if (ty == to.ty && to.mod == MOD.MODconst) | |
| 1619 return MATCH.MATCHconst; | |
| 1620 return MATCH.MATCHnomatch; | |
| 1621 } | |
| 1622 | |
| 1623 /******************************** | |
| 1624 * Determine if 'this' can be implicitly converted | |
| 1625 * to type 'to'. | |
| 1626 * Returns: | |
| 1627 * MATCHnomatch, MATCHconvert, MATCHconst, MATCHexact | |
| 1628 */ | |
| 1629 MATCH implicitConvTo(Type to) | |
| 1630 { | |
| 1631 //printf("Type.implicitConvTo(this=%p, to=%p)\n", this, to); | |
| 1632 //printf("from: %s\n", toChars()); | |
| 1633 //printf("to : %s\n", to.toChars()); | |
| 1634 if (this is to) | |
| 1635 return MATCHexact; | |
| 1636 | |
| 1637 return MATCHnomatch; | |
| 1638 } | |
| 1639 | |
| 1640 ClassDeclaration isClassHandle() | |
| 1641 { | |
| 1642 return null; | |
| 1643 } | |
| 1644 | |
| 1645 Expression getProperty(Loc loc, Identifier ident) | |
| 1646 { | |
| 1647 Expression e; | |
| 1648 | |
| 1649 version (LOGDOTEXP) { | |
| 1650 printf("Type.getProperty(type = '%s', ident = '%s')\n", toChars(), ident.toChars()); | |
| 1651 } | |
| 1652 if (ident == Id.__sizeof) | |
| 1653 { | |
| 1654 e = new IntegerExp(loc, size(loc), Type.tsize_t); | |
| 1655 } | |
| 1656 else if (ident == Id.size) | |
| 1657 { | |
| 1658 error(loc, ".size property should be replaced with .sizeof"); | |
| 1659 e = new ErrorExp(); | |
| 1660 } | |
| 1661 else if (ident is Id.alignof_) | |
| 1662 { | |
| 1663 e = new IntegerExp(loc, alignsize(), Type.tsize_t); | |
| 1664 } | |
| 1665 else if (ident == Id.typeinfo_) | |
| 1666 { | |
| 1667 if (!global.params.useDeprecated) | |
| 1668 error(loc, ".typeinfo deprecated, use typeid(type)"); | |
| 1669 e = getTypeInfo(null); | |
| 1670 } | |
| 1671 else if (ident == Id.init_) | |
| 1672 { | |
| 1673 if (ty == TY.Tvoid) | |
| 1674 error(loc, "void does not have an initializer"); | |
| 1675 e = defaultInit(loc); | |
| 1676 } | |
| 1677 else if (ident is Id.mangleof_) | |
| 1678 { | |
| 1679 string s; | |
| 1680 if (!deco) { | |
| 1681 s = toChars(); | |
| 1682 error(loc, "forward reference of type %s.mangleof", s); | |
| 1683 } else { | |
| 1684 s = deco; | |
| 1685 } | |
| 1686 | |
| 1687 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
|
1688 scope Scope sc = new Scope(); |
| 0 | 1689 e = e.semantic(sc); |
| 1690 } | |
| 1691 else if (ident is Id.stringof_) | |
| 1692 { | |
| 1693 string s = toChars(); | |
| 1694 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
|
1695 scope Scope sc = new Scope(); |
| 0 | 1696 e = e.semantic(sc); |
| 1697 } | |
| 1698 else | |
| 1699 { | |
| 1700 error(loc, "no property '%s' for type '%s'", ident.toChars(), toChars()); | |
| 1701 e = new ErrorExp(); | |
| 1702 } | |
| 1703 return e; | |
| 1704 } | |
| 1705 | |
| 1706 Expression dotExp(Scope sc, Expression e, Identifier ident) | |
| 1707 { | |
| 1708 VarDeclaration v = null; | |
| 1709 | |
| 1710 version (LOGDOTEXP) { | |
| 1711 printf("Type.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 1712 } | |
| 1713 if (e.op == TOK.TOKdotvar) | |
| 1714 { | |
| 1715 DotVarExp dv = cast(DotVarExp)e; | |
| 1716 v = dv.var.isVarDeclaration(); | |
| 1717 } | |
| 1718 else if (e.op == TOK.TOKvar) | |
| 1719 { | |
| 1720 VarExp ve = cast(VarExp)e; | |
| 1721 v = ve.var.isVarDeclaration(); | |
| 1722 } | |
| 1723 if (v) | |
| 1724 { | |
| 1725 if (ident is Id.offset) | |
| 1726 { | |
| 1727 if (!global.params.useDeprecated) | |
| 1728 error(e.loc, ".offset deprecated, use .offsetof"); | |
| 1729 goto Loffset; | |
| 1730 } | |
| 1731 else if (ident is Id.offsetof) | |
| 1732 { | |
| 1733 Loffset: | |
| 1734 if (v.storage_class & STC.STCfield) | |
| 1735 { | |
| 1736 e = new IntegerExp(e.loc, v.offset, Type.tsize_t); | |
| 1737 return e; | |
| 1738 } | |
| 1739 } | |
| 1740 else if (ident is Id.init_) | |
| 1741 { | |
| 1742 static if (false) { | |
| 1743 if (v.init) | |
| 1744 { | |
| 1745 if (v.init.isVoidInitializer()) | |
| 1746 error(e.loc, "%s.init is void", v.toChars()); | |
| 1747 else | |
| 1748 { Loc loc = e.loc; | |
| 1749 e = v.init.toExpression(); | |
| 1750 if (e.op == TOK.TOKassign || e.op == TOK.TOKconstruct || e.op == TOK.TOKblit) | |
| 1751 { | |
| 1752 e = (cast(AssignExp)e).e2; | |
| 1753 | |
| 1754 /* Take care of case where we used a 0 | |
| 1755 * to initialize the struct. | |
| 1756 */ | |
| 1757 if (e.type == Type.tint32 && | |
| 1758 e.isBool(0) && | |
| 1759 v.type.toBasetype().ty == TY.Tstruct) | |
| 1760 { | |
| 1761 e = v.type.defaultInit(e.loc); | |
| 1762 } | |
| 1763 } | |
| 1764 e = e.optimize(WANTvalue | WANTinterpret); | |
| 1765 // if (!e.isConst()) | |
| 1766 // error(loc, ".init cannot be evaluated at compile time"); | |
| 1767 } | |
| 1768 return e; | |
| 1769 } | |
| 1770 } | |
| 1771 Expression ex = defaultInit(e.loc); | |
| 1772 return ex; | |
| 1773 } | |
| 1774 } | |
| 1775 if (ident is Id.typeinfo_) | |
| 1776 { | |
| 1777 if (!global.params.useDeprecated) | |
| 1778 error(e.loc, ".typeinfo deprecated, use typeid(type)"); | |
| 1779 e = getTypeInfo(sc); | |
| 1780 return e; | |
| 1781 } | |
| 1782 if (ident is Id.stringof_) | |
| 1783 { | |
| 1784 string s = e.toChars(); | |
| 1785 e = new StringExp(e.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
|
1786 scope Scope sc2 = new Scope(); /// |
| 0 | 1787 e = e.semantic(sc2); |
| 1788 return e; | |
| 1789 } | |
| 1790 return getProperty(e.loc, ident); | |
| 1791 } | |
| 1792 | |
| 1793 uint memalign(uint salign) | |
| 1794 { | |
| 1795 return salign; | |
| 1796 } | |
| 1797 | |
| 1798 ///Expression defaultInit(Loc loc = Loc(0)) | |
| 1799 Expression defaultInit(Loc loc) | |
| 1800 { | |
| 1801 assert(false); | |
| 1802 } | |
| 1803 | |
| 1804 ///bool isZeroInit(Loc loc = Loc(0)) // if initializer is 0 | |
| 1805 bool isZeroInit(Loc loc) // if initializer is 0 | |
| 1806 { | |
| 1807 assert(false); | |
| 1808 } | |
| 1809 | |
| 1810 dt_t** toDt(dt_t** pdt) | |
| 1811 { | |
| 1812 //printf("Type.toDt()\n"); | |
| 1813 Expression e = defaultInit(Loc(0)); | |
| 1814 return e.toDt(pdt); | |
| 1815 } | |
| 1816 | |
| 1817 Identifier getTypeInfoIdent(int internal) | |
| 1818 { | |
| 1819 // _init_10TypeInfo_%s | |
| 1820 scope OutBuffer buf = new OutBuffer(); | |
| 1821 Identifier id; | |
| 1822 char* name; | |
| 1823 int len; | |
| 1824 | |
| 1825 if (internal) | |
| 1826 { | |
| 1827 buf.writeByte(mangleChar[ty]); | |
| 1828 if (ty == TY.Tarray) | |
| 1829 buf.writeByte(mangleChar[(cast(TypeArray)this).next.ty]); | |
| 1830 } | |
| 1831 else | |
| 1832 toDecoBuffer(buf); | |
| 1833 | |
| 1834 len = buf.offset; | |
|
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
|
1835 version (Bug4054) |
|
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
|
1836 name = cast(char*)GC.malloc(19 + len.sizeof * 3 + len + 1); |
|
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
|
1837 else |
| 0 | 1838 name = cast(char*)alloca(19 + len.sizeof * 3 + len + 1); |
| 1839 buf.writeByte(0); | |
| 1840 version (TARGET_OSX) { | |
| 1841 // The LINKc will prepend the _ | |
| 1842 len = sprintf(name, "D%dTypeInfo_%s6__initZ".ptr, 9 + len, buf.data); | |
| 1843 } else { | |
| 1844 len = sprintf(name, "_D%dTypeInfo_%s6__initZ".ptr, 9 + len, buf.data); | |
| 1845 } | |
| 1846 if (global.params.isWindows) | |
| 1847 name++; // C mangling will add it back in | |
| 1848 //printf("name = %s\n", name); | |
| 1849 id = Lexer.idPool(name[0..len-1].idup); | |
| 1850 return id; | |
| 1851 } | |
| 1852 | |
| 1853 /* These form the heart of template argument deduction. | |
| 1854 * Given 'this' being the type argument to the template instance, | |
| 1855 * it is matched against the template declaration parameter specialization | |
| 1856 * 'tparam' to determine the type to be used for the parameter. | |
| 1857 * Example: | |
| 1858 * template Foo(T:T*) // template declaration | |
| 1859 * Foo!(int*) // template instantiation | |
| 1860 * Input: | |
| 1861 * this = int* | |
| 1862 * tparam = T | |
| 1863 * parameters = [ T:T* ] // Array of TemplateParameter's | |
| 1864 * Output: | |
| 1865 * dedtypes = [ int ] // Array of Expression/Type's | |
| 1866 */ | |
| 1867 MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) | |
| 1868 { | |
| 98 | 1869 static if (false) |
| 1870 { | |
| 0 | 1871 printf("Type.deduceType()\n"); |
| 1872 printf("\tthis = %d, ", ty); print(); | |
| 1873 printf("\ttparam = %d, ", tparam.ty); tparam.print(); | |
| 1874 } | |
| 1875 if (!tparam) | |
| 1876 goto Lnomatch; | |
| 1877 | |
| 1878 if (this == tparam) | |
| 1879 goto Lexact; | |
| 1880 | |
| 1881 if (tparam.ty == Tident) | |
| 1882 { | |
| 1883 // Determine which parameter tparam is | |
| 1884 int i = templateParameterLookup(tparam, parameters); | |
| 1885 if (i == -1) | |
| 1886 { | |
| 1887 if (!sc) | |
| 1888 goto Lnomatch; | |
| 1889 | |
| 1890 /* Need a loc to go with the semantic routine. | |
| 1891 */ | |
| 1892 Loc loc; | |
| 1893 if (parameters.dim) | |
| 1894 { | |
| 1895 TemplateParameter tp = cast(TemplateParameter)parameters.data[0]; | |
| 1896 loc = tp.loc; | |
| 1897 } | |
| 1898 | |
| 1899 /* BUG: what if tparam is a template instance, that | |
| 1900 * has as an argument another Tident? | |
| 1901 */ | |
| 1902 tparam = tparam.semantic(loc, sc); | |
| 1903 assert(tparam.ty != Tident); | |
| 1904 return deduceType(sc, tparam, parameters, dedtypes); | |
| 1905 } | |
| 1906 | |
| 1907 TemplateParameter tp = cast(TemplateParameter)parameters.data[i]; | |
| 1908 | |
| 1909 // Found the corresponding parameter tp | |
| 1910 if (!tp.isTemplateTypeParameter()) | |
| 1911 goto Lnomatch; | |
| 1912 Type tt = this; | |
| 1913 Type at = cast(Type)dedtypes.data[i]; | |
| 1914 | |
| 98 | 1915 // 5*5 == 25 cases |
| 1916 static pure int X(int U, int T) { return ((U << 3) | T); } | |
| 1917 | |
| 1918 switch (X(tparam.mod, mod)) | |
| 1919 { | |
| 1920 case X(0, 0): | |
| 1921 case X(0, MODconst): | |
| 1922 case X(0, MODinvariant): | |
| 1923 case X(0, MODshared): | |
| 1924 case X(0, MODconst | MODshared): | |
| 1925 // foo(U:U) T => T | |
| 1926 // foo(U:U) const(T) => const(T) | |
| 1927 // foo(U:U) immutable(T) => immutable(T) | |
| 1928 // foo(U:U) shared(T) => shared(T) | |
| 1929 // foo(U:U) const(shared(T)) => const(shared(T)) | |
| 0 | 1930 if (!at) |
| 98 | 1931 { dedtypes.data[i] = cast(void *)tt; |
| 0 | 1932 goto Lexact; |
| 1933 } | |
| 98 | 1934 break; |
| 1935 | |
| 1936 case X(MODconst, MODconst): | |
| 1937 case X(MODinvariant, MODinvariant): | |
| 1938 case X(MODshared, MODshared): | |
| 1939 case X(MODconst | MODshared, MODconst | MODshared): | |
| 1940 // foo(U:const(U)) const(T) => T | |
| 1941 // foo(U:immutable(U)) immutable(T) => T | |
| 1942 // foo(U:shared(U)) shared(T) => T | |
| 1943 // foo(U:const(shared(U)) const(shared(T))=> T | |
| 1944 tt = mutableOf().unSharedOf(); | |
| 1945 if (!at) | |
| 1946 { dedtypes.data[i] = cast(void *)tt; | |
| 1947 goto Lexact; | |
| 1948 } | |
| 1949 break; | |
| 1950 | |
| 1951 case X(MODconst, 0): | |
| 1952 case X(MODconst, MODimmutable): | |
| 1953 case X(MODconst, MODconst | MODshared): | |
| 1954 case X(MODconst | MODshared, MODimmutable): | |
| 1955 // foo(U:const(U)) T => T | |
| 1956 // foo(U:const(U)) immutable(T) => T | |
| 1957 // foo(U:const(U)) const(shared(T)) => shared(T) | |
| 1958 // foo(U:const(shared(U)) immutable(T) => T | |
| 0 | 1959 tt = mutableOf(); |
| 1960 if (!at) | |
| 98 | 1961 { dedtypes.data[i] = cast(void *)tt; |
| 1962 goto Lconst; | |
| 0 | 1963 } |
| 98 | 1964 break; |
| 1965 | |
| 1966 case X(MODshared, MODconst | MODshared): | |
| 1967 case X(MODconst | MODshared, MODshared): | |
| 1968 // foo(U:shared(U)) const(shared(T)) => const(T) | |
| 1969 // foo(U:const(shared(U)) shared(T) => T | |
| 1970 tt = unSharedOf(); | |
| 0 | 1971 if (!at) |
| 98 | 1972 { dedtypes.data[i] = cast(void *)tt; |
| 0 | 1973 goto Lconst; |
| 1974 } | |
| 98 | 1975 break; |
| 1976 | |
| 1977 case X(MODimmutable, 0): | |
| 1978 case X(MODimmutable, MODconst): | |
| 1979 case X(MODimmutable, MODshared): | |
| 1980 case X(MODimmutable, MODconst | MODshared): | |
| 1981 case X(MODconst, MODshared): | |
| 1982 case X(MODshared, 0): | |
| 1983 case X(MODshared, MODconst): | |
| 1984 case X(MODshared, MODimmutable): | |
| 1985 case X(MODconst | MODshared, 0): | |
| 1986 case X(MODconst | MODshared, MODconst): | |
| 1987 // foo(U:immutable(U)) T => nomatch | |
| 1988 // foo(U:immutable(U)) const(T) => nomatch | |
| 1989 // foo(U:immutable(U)) shared(T) => nomatch | |
| 1990 // foo(U:immutable(U)) const(shared(T)) => nomatch | |
| 1991 // foo(U:const(U)) shared(T) => nomatch | |
| 1992 // foo(U:shared(U)) T => nomatch | |
| 1993 // foo(U:shared(U)) const(T) => nomatch | |
| 1994 // foo(U:shared(U)) immutable(T) => nomatch | |
| 1995 // foo(U:const(shared(U)) T => nomatch | |
| 1996 // foo(U:const(shared(U)) const(T) => nomatch | |
| 1997 //if (!at) | |
| 0 | 1998 goto Lnomatch; |
| 98 | 1999 break; |
| 2000 | |
| 2001 default: | |
| 2002 assert(0); | |
| 0 | 2003 } |
| 2004 | |
| 2005 if (tt.equals(at)) | |
| 2006 goto Lexact; | |
| 2007 else if (tt.ty == Tclass && at.ty == Tclass) | |
| 2008 { | |
| 2009 return tt.implicitConvTo(at); | |
| 2010 } | |
| 2011 else if (tt.ty == Tsarray && at.ty == Tarray && | |
| 2012 tt.nextOf().implicitConvTo(at.nextOf()) >= MATCHconst) | |
| 2013 { | |
| 2014 goto Lexact; | |
| 2015 } | |
| 2016 else | |
| 2017 goto Lnomatch; | |
| 2018 } | |
| 2019 | |
| 2020 if (ty != tparam.ty) | |
| 2021 return implicitConvTo(tparam); | |
| 2022 // goto Lnomatch; | |
| 2023 | |
| 2024 if (nextOf()) | |
| 2025 return nextOf().deduceType(sc, tparam.nextOf(), parameters, dedtypes); | |
| 2026 | |
| 2027 Lexact: | |
| 2028 return MATCHexact; | |
| 2029 | |
| 2030 Lnomatch: | |
| 2031 return MATCHnomatch; | |
| 2032 | |
| 2033 version (DMDV2) { | |
| 2034 Lconst: | |
| 2035 return MATCHconst; | |
| 2036 } | |
| 2037 } | |
| 2038 | |
| 2039 void resolve(Loc loc, Scope sc, Expression* pe, Type* pt, Dsymbol* ps) | |
| 2040 { | |
| 2041 //printf("Type.resolve() %s, %d\n", toChars(), ty); | |
| 2042 Type t = semantic(loc, sc); | |
| 2043 *pt = t; | |
| 2044 *pe = null; | |
| 2045 *ps = null; | |
| 2046 } | |
| 2047 | |
| 2048 /******************************************* | |
| 2049 * Get a canonicalized form of the TypeInfo for use with the internal | |
| 2050 * runtime library routines. Canonicalized in that static arrays are | |
| 2051 * represented as dynamic arrays, enums are represented by their | |
| 2052 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
| 2053 * so we can use the custom internal ones more. | |
| 2054 */ | |
| 2055 Expression getInternalTypeInfo(Scope sc) | |
| 2056 { | |
| 2057 TypeInfoDeclaration tid; | |
| 2058 Expression e; | |
| 2059 Type t; | |
| 2060 static TypeInfoDeclaration internalTI[TMAX]; | |
| 2061 | |
| 2062 //printf("Type.getInternalTypeInfo() %s\n", toChars()); | |
| 2063 t = toBasetype(); | |
| 2064 switch (t.ty) | |
| 2065 { | |
| 2066 case Tsarray: | |
| 2067 static if (false) { | |
| 2068 // convert to corresponding dynamic array type | |
| 2069 t = t.nextOf().mutableOf().arrayOf(); | |
| 2070 } | |
| 2071 break; | |
| 2072 | |
| 2073 case Tclass: | |
| 2074 if ((cast(TypeClass)t).sym.isInterfaceDeclaration()) | |
| 2075 break; | |
| 2076 goto Linternal; | |
| 2077 | |
| 2078 case Tarray: | |
| 2079 // convert to corresponding dynamic array type | |
| 2080 t = t.nextOf().mutableOf().arrayOf(); | |
| 2081 if (t.nextOf().ty != Tclass) | |
| 2082 break; | |
| 2083 goto Linternal; | |
| 2084 | |
| 2085 case Tfunction: | |
| 2086 case Tdelegate: | |
| 2087 case Tpointer: | |
| 2088 Linternal: | |
| 2089 tid = internalTI[t.ty]; | |
| 2090 if (!tid) | |
| 2091 { | |
| 2092 tid = new TypeInfoDeclaration(t, 1); | |
| 2093 internalTI[t.ty] = tid; | |
| 2094 } | |
| 2095 e = new VarExp(Loc(0), tid); | |
| 2096 e = e.addressOf(sc); | |
| 2097 e.type = tid.type; // do this so we don't get redundant dereference | |
| 2098 return e; | |
| 2099 | |
| 2100 default: | |
| 2101 break; | |
| 2102 } | |
| 2103 //printf("\tcalling getTypeInfo() %s\n", t.toChars()); | |
| 2104 return t.getTypeInfo(sc); | |
| 2105 } | |
| 2106 | |
| 2107 /**************************************************** | |
| 2108 * Get the exact TypeInfo. | |
| 2109 */ | |
| 2110 Expression getTypeInfo(Scope sc) | |
| 2111 { | |
| 2112 Expression e; | |
| 2113 Type t; | |
| 2114 | |
| 2115 //printf("Type.getTypeInfo() %p, %s\n", this, toChars()); | |
| 2116 t = merge2(); // do this since not all Type's are merge'd | |
| 2117 if (!t.vtinfo) | |
| 2118 { | |
| 2119 version (DMDV2) { | |
| 2120 if (t.isShared()) // does both 'shared' and 'shared const' | |
| 2121 t.vtinfo = new TypeInfoSharedDeclaration(t); | |
| 2122 else if (t.isConst()) | |
| 2123 t.vtinfo = new TypeInfoConstDeclaration(t); | |
| 2124 else if (t.isInvariant()) | |
| 2125 t.vtinfo = new TypeInfoInvariantDeclaration(t); | |
| 2126 else | |
| 2127 t.vtinfo = t.getTypeInfoDeclaration(); | |
| 2128 } else { | |
| 2129 t.vtinfo = t.getTypeInfoDeclaration(); | |
| 2130 } | |
| 2131 assert(t.vtinfo); | |
| 2132 vtinfo = t.vtinfo; | |
| 2133 | |
| 2134 /* If this has a custom implementation in std/typeinfo, then | |
| 2135 * do not generate a COMDAT for it. | |
| 2136 */ | |
| 2137 if (!t.builtinTypeInfo()) | |
| 2138 { | |
| 2139 // Generate COMDAT | |
| 2140 if (sc) // if in semantic() pass | |
| 2141 { | |
| 2142 // Find module that will go all the way to an object file | |
| 2143 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
|
2144 m.members.push(t.vtinfo); |
| 0 | 2145 } |
| 2146 else // if in obj generation pass | |
| 2147 { | |
| 2148 t.vtinfo.toObjFile(global.params.multiobj); | |
| 2149 } | |
| 2150 } | |
| 2151 } | |
| 2152 e = new VarExp(Loc(0), t.vtinfo); | |
| 2153 e = e.addressOf(sc); | |
| 2154 e.type = t.vtinfo.type; // do this so we don't get redundant dereference | |
| 2155 return e; | |
| 2156 } | |
| 2157 | |
| 2158 TypeInfoDeclaration getTypeInfoDeclaration() | |
| 2159 { | |
| 2160 //printf("Type.getTypeInfoDeclaration() %s\n", toChars()); | |
| 2161 return new TypeInfoDeclaration(this, 0); | |
| 2162 } | |
| 2163 | |
| 2164 /* These decide if there's an instance for them already in std.typeinfo, | |
| 2165 * because then the compiler doesn't need to build one. | |
| 2166 */ | |
| 2167 bool builtinTypeInfo() | |
| 2168 { | |
| 2169 return false; | |
| 2170 } | |
| 2171 | |
| 2172 /******************************* | |
| 2173 * If one of the subtypes of this type is a TypeIdentifier, | |
| 2174 * i.e. it's an unresolved type, return that type. | |
| 2175 */ | |
| 2176 Type reliesOnTident() | |
| 2177 { | |
| 2178 return null; | |
| 2179 } | |
| 2180 | |
| 2181 Expression toExpression() | |
| 2182 { | |
| 2183 assert(false); | |
| 2184 } | |
| 2185 | |
| 2186 /*************************************** | |
| 2187 * Return true if type has pointers that need to | |
| 2188 * be scanned by the GC during a collection cycle. | |
| 2189 */ | |
| 2190 bool hasPointers() | |
| 2191 { | |
| 2192 return false; | |
| 2193 } | |
| 2194 | |
| 2195 /************************************* | |
| 2196 * If this is a type of something, return that something. | |
| 2197 */ | |
| 2198 Type nextOf() | |
| 2199 { | |
| 2200 return null; | |
| 2201 } | |
| 2202 | |
| 53 | 2203 /**************************************** |
| 2204 * Return the mask that an integral type will | |
| 2205 * fit into. | |
| 2206 */ | |
| 0 | 2207 ulong sizemask() |
| 2208 { | |
| 53 | 2209 ulong m; |
| 2210 | |
| 2211 switch (toBasetype().ty) | |
| 2212 { | |
| 2213 case Tbool: m = 1; break; | |
| 2214 case Tchar: | |
| 2215 case Tint8: | |
| 2216 case Tuns8: m = 0xFF; break; | |
| 2217 case Twchar: | |
| 2218 case Tint16: | |
| 2219 case Tuns16: m = 0xFFFFUL; break; | |
| 2220 case Tdchar: | |
| 2221 case Tint32: | |
| 2222 case Tuns32: m = 0xFFFFFFFFUL; break; | |
| 2223 case Tint64: | |
| 2224 case Tuns64: m = 0xFFFFFFFFFFFFFFFFUL; break; | |
| 2225 default: | |
| 2226 assert(0); | |
| 2227 } | |
| 2228 return m; | |
| 0 | 2229 } |
| 2230 | |
| 2231 static void error(T...)(Loc loc, string format, T t) | |
| 2232 { | |
| 2233 .error(loc, format, t); | |
| 2234 } | |
| 2235 | |
| 2236 static void warning(T...)(Loc loc, string format, T t) | |
| 2237 { | |
| 2238 assert(false); | |
| 2239 } | |
| 2240 | |
| 2241 // For backend | |
| 2242 /***************************** | |
| 2243 * Return back end type corresponding to D front end type. | |
| 2244 */ | |
| 2245 TYM totym() | |
| 2246 { | |
| 2247 TYM t; | |
| 2248 | |
| 2249 switch (ty) | |
| 2250 { | |
| 2251 case TY.Tvoid: t = TYM.TYvoid; break; | |
| 2252 case TY.Tint8: t = TYM.TYschar; break; | |
| 2253 case TY.Tuns8: t = TYM.TYuchar; break; | |
| 2254 case TY.Tint16: t = TYM.TYshort; break; | |
| 2255 case TY.Tuns16: t = TYM.TYushort; break; | |
| 2256 case TY.Tint32: t = TYM.TYint; break; | |
| 2257 case TY.Tuns32: t = TYM.TYuint; break; | |
| 2258 case TY.Tint64: t = TYM.TYllong; break; | |
| 2259 case TY.Tuns64: t = TYM.TYullong; break; | |
| 2260 case TY.Tfloat32: t = TYM.TYfloat; break; | |
| 2261 case TY.Tfloat64: t = TYM.TYdouble; break; | |
| 2262 case TY.Tfloat80: t = TYM.TYldouble; break; | |
| 2263 case TY.Timaginary32: t = TYM.TYifloat; break; | |
| 2264 case TY.Timaginary64: t = TYM.TYidouble; break; | |
| 2265 case TY.Timaginary80: t = TYM.TYildouble; break; | |
| 2266 case TY.Tcomplex32: t = TYM.TYcfloat; break; | |
| 2267 case TY.Tcomplex64: t = TYM.TYcdouble; break; | |
| 2268 case TY.Tcomplex80: t = TYM.TYcldouble; break; | |
| 2269 //case Tbit: t = TYM.TYuchar; break; | |
| 2270 case TY.Tbool: t = TYM.TYbool; break; | |
| 2271 case TY.Tchar: t = TYM.TYchar; break; | |
| 2272 version (XXX) { ///TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS | |
| 2273 case TY.Twchar: t = TYM.TYwchar_t; break; | |
| 2274 case TY.Tdchar: t = TYM.TYdchar; break; | |
| 2275 } else { | |
| 2276 case TY.Twchar: t = TYM.TYwchar_t; break; | |
| 2277 case TY.Tdchar: | |
| 2278 t = (global.params.symdebug == 1) ? TYM.TYdchar : TYM.TYulong; | |
| 2279 break; | |
| 2280 } | |
| 2281 | |
| 2282 case TY.Taarray: t = TYM.TYaarray; break; | |
| 2283 case TY.Tclass: | |
| 2284 case TY.Treference: | |
| 2285 case TY.Tpointer: t = TYM.TYnptr; break; | |
| 2286 case TY.Tdelegate: t = TYM.TYdelegate; break; | |
| 2287 case TY.Tarray: t = TYM.TYdarray; break; | |
| 98 | 2288 version(SARRAYVALUE) |
| 2289 { case TY.Tsarray: t = TYstruct; break;} | |
| 2290 else | |
| 2291 { case TY.Tsarray: t = TYM.TYarray; break;} | |
| 0 | 2292 case TY.Tstruct: t = TYM.TYstruct; break; |
| 2293 | |
| 2294 case TY.Tenum: | |
| 2295 case TY.Ttypedef: | |
| 2296 t = toBasetype().totym(); | |
| 2297 break; | |
| 2298 | |
| 2299 case TY.Tident: | |
| 2300 case TY.Ttypeof: | |
| 2301 debug { | |
| 2302 writef("ty = %d, '%s'\n", ty, toChars()); | |
| 2303 } | |
| 2304 error (Loc(0), "forward reference of %s", toChars()); | |
| 2305 t = TYM.TYint; | |
| 2306 break; | |
| 2307 | |
| 2308 default: | |
| 2309 debug { | |
| 2310 writef("ty = %d, '%s'\n", ty, toChars()); | |
| 2311 } | |
| 2312 assert(0); | |
| 2313 } | |
| 2314 | |
| 2315 version (DMDV2) { | |
| 2316 // Add modifiers | |
| 2317 switch (mod) | |
| 2318 { | |
| 2319 case MOD.MODundefined: | |
| 2320 break; | |
| 2321 case MOD.MODconst: | |
| 2322 t |= mTY.mTYconst; | |
| 2323 break; | |
| 2324 case MOD.MODinvariant: | |
| 2325 t |= mTY.mTYimmutable; | |
| 2326 break; | |
| 2327 case MOD.MODshared: | |
| 2328 t |= mTY.mTYshared; | |
| 2329 break; | |
| 2330 case MOD.MODshared | MOD.MODconst: | |
| 2331 t |= mTY.mTYshared | mTY.mTYconst; | |
| 2332 break; | |
| 2333 default: | |
| 2334 assert(0); | |
| 2335 } | |
| 2336 } | |
| 2337 | |
| 2338 return t; | |
| 2339 } | |
| 2340 | |
| 2341 /*************************************** | |
| 2342 * Convert from D type to C type. | |
| 2343 * This is done so C debug info can be generated. | |
| 2344 */ | |
| 2345 type* toCtype() | |
| 2346 { | |
| 2347 if (!ctype) | |
| 2348 { | |
| 2349 ctype = type_fake(totym()); | |
| 2350 ctype.Tcount++; | |
| 2351 } | |
| 2352 return ctype; | |
| 2353 } | |
| 2354 | |
| 2355 type* toCParamtype() | |
| 2356 { | |
| 2357 return toCtype(); | |
| 2358 } | |
| 2359 | |
| 2360 Symbol* toSymbol() | |
| 2361 { | |
| 2362 assert(false); | |
| 2363 } | |
| 2364 | |
| 2365 // For eliminating dynamic_cast | |
| 2366 TypeBasic isTypeBasic() | |
| 2367 { | |
| 2368 return null; | |
| 2369 } | |
| 2370 | |
| 2371 static Type tvoid() | |
| 2372 { | |
| 2373 return basic[TY.Tvoid]; | |
| 2374 } | |
| 2375 | |
| 2376 static Type tint8() | |
| 2377 { | |
| 2378 return basic[TY.Tint8]; | |
| 2379 } | |
| 2380 | |
| 2381 static Type tuns8() | |
| 2382 { | |
| 2383 return basic[TY.Tuns8]; | |
| 2384 } | |
| 2385 | |
| 2386 static Type tint16() | |
| 2387 { | |
| 2388 return basic[TY.Tint16]; | |
| 2389 } | |
| 2390 | |
| 2391 static Type tuns16() | |
| 2392 { | |
| 2393 return basic[TY.Tuns16]; | |
| 2394 } | |
| 2395 | |
| 2396 static Type tint32() | |
| 2397 { | |
| 2398 return basic[TY.Tint32]; | |
| 2399 } | |
| 2400 | |
| 2401 static Type tuns32() | |
| 2402 { | |
| 2403 return basic[TY.Tuns32]; | |
| 2404 } | |
| 2405 | |
| 2406 static Type tint64() | |
| 2407 { | |
| 2408 return basic[TY.Tint64]; | |
| 2409 } | |
| 2410 | |
| 2411 static Type tuns64() | |
| 2412 { | |
| 2413 return basic[TY.Tuns64]; | |
| 2414 } | |
| 2415 | |
| 2416 static Type tfloat32() | |
| 2417 { | |
| 2418 return basic[TY.Tfloat32]; | |
| 2419 } | |
| 2420 | |
| 2421 static Type tfloat64() | |
| 2422 { | |
| 2423 return basic[TY.Tfloat64]; | |
| 2424 } | |
| 2425 | |
| 2426 static Type tfloat80() | |
| 2427 { | |
| 2428 return basic[TY.Tfloat80]; | |
| 2429 } | |
| 2430 | |
| 2431 static Type timaginary32() | |
| 2432 { | |
| 2433 return basic[TY.Timaginary32]; | |
| 2434 } | |
| 2435 | |
| 2436 static Type timaginary64() | |
| 2437 { | |
| 2438 return basic[TY.Timaginary64]; | |
| 2439 } | |
| 2440 | |
| 2441 static Type timaginary80() | |
| 2442 { | |
| 2443 return basic[TY.Timaginary80]; | |
| 2444 } | |
| 2445 | |
| 2446 static Type tcomplex32() | |
| 2447 { | |
| 2448 return basic[TY.Tcomplex32]; | |
| 2449 } | |
| 2450 | |
| 2451 static Type tcomplex64() | |
| 2452 { | |
| 2453 return basic[TY.Tcomplex64]; | |
| 2454 } | |
| 2455 | |
| 2456 static Type tcomplex80() | |
| 2457 { | |
| 2458 return basic[TY.Tcomplex80]; | |
| 2459 } | |
| 2460 | |
| 2461 static Type tbit() | |
| 2462 { | |
| 2463 return basic[TY.Tbit]; | |
| 2464 } | |
| 2465 | |
| 2466 static Type tbool() | |
| 2467 { | |
| 2468 return basic[TY.Tbool]; | |
| 2469 } | |
| 2470 | |
| 2471 static Type tchar() | |
| 2472 { | |
| 2473 return basic[TY.Tchar]; | |
| 2474 } | |
| 2475 | |
| 2476 static Type twchar() | |
| 2477 { | |
| 2478 return basic[TY.Twchar]; | |
| 2479 } | |
| 2480 | |
| 2481 static Type tdchar() | |
| 2482 { | |
| 2483 return basic[TY.Tdchar]; | |
| 2484 } | |
| 2485 | |
| 2486 // Some special types | |
| 2487 static Type tshiftcnt() | |
| 2488 { | |
| 2489 return tint32; // right side of shift expression | |
| 2490 } | |
| 2491 | |
| 2492 // #define tboolean tint32 // result of boolean expression | |
| 2493 static Type tboolean() | |
| 2494 { | |
| 2495 return tbool; // result of boolean expression | |
| 2496 } | |
| 2497 | |
| 2498 static Type tindex() | |
| 2499 { | |
| 2500 return tint32; // array/ptr index | |
| 2501 } | |
| 2502 | |
| 2503 static Type tvoidptr; // void* | |
| 98 | 2504 static Type tstring; // immutable(char)[] |
| 2505 | |
| 0 | 2506 static Type terror() |
| 2507 { | |
| 2508 return basic[TY.Terror]; // for error recovery | |
| 2509 } | |
| 2510 | |
| 2511 static Type tsize_t() | |
| 2512 { | |
| 2513 return basic[Tsize_t]; // matches size_t alias | |
| 2514 } | |
| 2515 | |
| 2516 static Type tptrdiff_t() | |
| 2517 { | |
| 2518 return basic[Tptrdiff_t]; // matches ptrdiff_t alias | |
| 2519 } | |
| 2520 | |
| 2521 static Type thash_t() | |
| 2522 { | |
| 2523 return tsize_t; // matches hash_t alias | |
| 2524 } | |
|
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
|
2525 } |