Mercurial > projects > ddmd
annotate dmd/TypeEnum.d @ 179:cd48cb899aee
Updated to dmd2.040
| author | korDen |
|---|---|
| date | Sun, 17 Oct 2010 20:56:07 +0400 |
| parents | e3afd1303184 |
| children | b0d41ff5e0df |
| rev | line source |
|---|---|
| 0 | 1 module dmd.TypeEnum; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Type; |
| 5 import dmd.EnumDeclaration; | |
| 6 import dmd.Scope; | |
| 7 import dmd.Loc; | |
| 8 import dmd.Id; | |
| 9 import dmd.ErrorExp; | |
| 10 import dmd.Dsymbol; | |
| 11 import dmd.EnumMember; | |
| 12 import dmd.OutBuffer; | |
| 13 import dmd.HdrGenState; | |
| 14 import dmd.Expression; | |
| 15 import dmd.Identifier; | |
| 16 import dmd.MATCH; | |
| 17 import dmd.OutBuffer; | |
| 18 import dmd.CppMangleState; | |
| 156 | 19 import dmd.StringExp; |
| 0 | 20 import dmd.TypeInfoDeclaration; |
| 21 import dmd.TypeInfoEnumDeclaration; | |
| 22 import dmd.ArrayTypes; | |
| 23 import dmd.TY; | |
|
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24 import dmd.MOD; |
| 0 | 25 import dmd.Util; |
| 26 | |
| 27 import dmd.backend.TYPE; | |
| 28 | |
| 29 class TypeEnum : Type | |
| 30 { | |
| 31 EnumDeclaration sym; | |
| 32 | |
| 33 this(EnumDeclaration sym) | |
| 34 { | |
| 178 | 35 register(); |
| 0 | 36 super(TY.Tenum); |
| 37 this.sym = sym; | |
| 38 } | |
| 39 | |
| 72 | 40 override Type syntaxCopy() |
| 0 | 41 { |
| 42 assert(false); | |
| 43 } | |
| 44 | |
| 72 | 45 override ulong size(Loc loc) |
| 0 | 46 { |
| 47 if (!sym.memtype) | |
| 48 { | |
| 49 error(loc, "enum %s is forward referenced", sym.toChars()); | |
| 50 return 4; | |
| 51 } | |
| 52 return sym.memtype.size(loc); | |
| 53 } | |
| 54 | |
| 156 | 55 override uint alignsize() |
| 0 | 56 { |
| 156 | 57 if (!sym.memtype) |
| 58 { | |
| 59 debug writef("1: "); | |
| 60 | |
| 61 error(Loc(0), "enum %s is forward referenced", sym.toChars()); | |
| 62 return 4; | |
| 63 } | |
| 64 return sym.memtype.alignsize(); | |
| 0 | 65 } |
| 156 | 66 |
| 67 override string toChars() | |
| 0 | 68 { |
| 156 | 69 if (mod) |
| 70 return super.toChars(); | |
| 71 return sym.toChars(); | |
| 0 | 72 } |
| 73 | |
| 72 | 74 override Type semantic(Loc loc, Scope sc) |
| 0 | 75 { |
| 76 //printf("TypeEnum::semantic() %s\n", toChars()); | |
| 77 //sym.semantic(sc); | |
| 78 return merge(); | |
| 79 } | |
| 80 | |
| 72 | 81 override Dsymbol toDsymbol(Scope sc) |
| 0 | 82 { |
| 83 return sym; | |
| 84 } | |
| 85 | |
| 72 | 86 override void toDecoBuffer(OutBuffer buf, int flag) |
| 0 | 87 { |
| 88 string name = sym.mangle(); | |
| 89 Type.toDecoBuffer(buf, flag); | |
| 90 buf.printf("%s", name); | |
| 91 } | |
| 92 | |
| 72 | 93 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 94 { |
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95 if (mod != this.mod) |
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96 { |
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97 toCBuffer3(buf, hgs, mod); |
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98 return; |
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99 } |
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100 buf.writestring(sym.toChars()); |
| 0 | 101 } |
| 102 | |
| 72 | 103 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 104 { |
| 105 version (LOGDOTEXP) { | |
| 106 printf("TypeEnum::dotExp(e = '%s', ident = '%s') '%s'\n", e.toChars(), ident.toChars(), toChars()); | |
| 107 } | |
| 108 Dsymbol s = sym.search(e.loc, ident, 0); | |
| 109 if (!s) | |
| 110 { | |
| 111 if (ident is Id.max || | |
| 112 ident is Id.min || | |
| 113 ident is Id.init_ || | |
| 114 ident is Id.stringof_ || | |
| 115 !sym.memtype | |
| 116 ) | |
| 117 { | |
| 118 return getProperty(e.loc, ident); | |
| 119 } | |
| 120 | |
| 121 return sym.memtype.dotExp(sc, e, ident); | |
| 122 } | |
| 123 | |
| 124 EnumMember m = s.isEnumMember(); | |
| 125 Expression em = m.value.copy(); | |
| 126 em.loc = e.loc; | |
| 127 return em; | |
| 128 } | |
| 129 | |
| 156 | 130 override Expression getProperty(Loc loc, Identifier ident) |
| 0 | 131 { |
| 156 | 132 Expression e; |
| 133 | |
| 134 if (ident is Id.max) | |
| 135 { | |
| 136 if (!sym.maxval) | |
| 137 goto Lfwd; | |
| 138 e = sym.maxval; | |
| 139 } | |
| 140 else if (ident is Id.min) | |
| 141 { | |
| 142 if (!sym.minval) | |
| 143 goto Lfwd; | |
| 144 e = sym.minval; | |
| 145 } | |
| 146 else if (ident is Id.init_) | |
| 147 { | |
| 148 e = defaultInitLiteral(loc); | |
| 149 } | |
| 150 else if (ident is Id.stringof_) | |
| 151 { | |
| 152 string s = toChars(); | |
| 153 e = new StringExp(loc, s, 'c'); | |
| 154 Scope sc; | |
| 155 e = e.semantic(sc); | |
| 156 } | |
| 157 else if (ident is Id.mangleof_) | |
| 158 { | |
| 159 e = Type.getProperty(loc, ident); | |
| 160 } | |
| 161 else | |
| 162 { | |
| 163 e = toBasetype().getProperty(loc, ident); | |
| 164 } | |
| 165 return e; | |
| 166 | |
| 167 Lfwd: | |
| 168 error(loc, "forward reference of %s.%s", toChars(), ident.toChars()); | |
| 169 return new ErrorExp(); | |
| 0 | 170 } |
| 171 | |
| 72 | 172 override bool isintegral() |
| 0 | 173 { |
| 73 | 174 return sym.memtype.isintegral(); |
| 0 | 175 } |
| 176 | |
| 72 | 177 override bool isfloating() |
| 0 | 178 { |
| 73 | 179 return sym.memtype.isfloating(); |
| 180 } | |
| 181 | |
| 79 | 182 override bool isreal() |
| 73 | 183 { |
| 184 return sym.memtype.isreal(); | |
| 185 } | |
| 186 | |
| 79 | 187 override bool isimaginary() |
| 73 | 188 { |
| 189 return sym.memtype.isimaginary(); | |
| 190 } | |
| 191 | |
| 79 | 192 override bool iscomplex() |
| 73 | 193 { |
| 194 return sym.memtype.iscomplex(); | |
| 195 } | |
| 196 | |
| 79 | 197 override bool checkBoolean() |
| 73 | 198 { |
| 199 return sym.memtype.checkBoolean(); | |
| 200 } | |
| 201 | |
| 79 | 202 override bool isAssignable() |
| 73 | 203 { |
| 204 return sym.memtype.isAssignable(); | |
| 0 | 205 } |
| 206 | |
| 72 | 207 override bool isscalar() |
| 0 | 208 { |
| 73 | 209 return sym.memtype.isscalar(); |
| 0 | 210 } |
| 211 | |
| 72 | 212 override bool isunsigned() |
| 0 | 213 { |
| 214 return sym.memtype.isunsigned(); | |
| 215 } | |
| 216 | |
| 72 | 217 override MATCH implicitConvTo(Type to) |
| 0 | 218 { |
| 219 MATCH m; | |
| 220 | |
| 221 //printf("TypeEnum::implicitConvTo()\n"); | |
| 222 if (ty == to.ty && sym == (cast(TypeEnum)to).sym) | |
| 223 m = (mod == to.mod) ? MATCHexact : MATCHconst; | |
| 224 else if (sym.memtype.implicitConvTo(to)) | |
| 225 m = MATCHconvert; // match with conversions | |
| 226 else | |
| 227 m = MATCHnomatch; // no match | |
| 228 return m; | |
| 229 } | |
| 230 | |
| 72 | 231 override MATCH constConv(Type to) |
| 0 | 232 { |
| 135 | 233 if (equals(to)) |
| 234 return MATCHexact; | |
| 235 if (ty == to.ty && sym == (cast(TypeEnum)to).sym && | |
| 236 MODimplicitConv(mod, to.mod)) | |
| 237 return MATCHconst; | |
| 238 return MATCHnomatch; | |
| 0 | 239 } |
| 240 | |
| 72 | 241 override Type toBasetype() |
| 0 | 242 { |
| 135 | 243 if (sym.scope_) |
| 244 { | |
| 179 | 245 // Enum is forward referenced. We don't need to resolve the whole thing, |
| 246 // just the base type | |
| 247 if (sym.memtype) | |
| 248 { | |
| 249 sym.memtype = sym.memtype.semantic(sym.loc, sym.scope_); | |
| 250 } | |
| 251 else | |
| 252 { | |
| 253 if (!sym.isAnonymous()) | |
| 254 sym.memtype = Type.tint32; | |
| 255 } | |
| 135 | 256 } |
| 0 | 257 if (!sym.memtype) |
| 258 { | |
| 259 debug writef("2: "); | |
| 260 error(sym.loc, "enum %s is forward referenced", sym.toChars()); | |
| 261 return tint32; | |
| 262 } | |
| 263 | |
| 264 return sym.memtype.toBasetype(); | |
| 265 } | |
| 266 | |
| 72 | 267 override Expression defaultInit(Loc loc) |
| 0 | 268 { |
| 269 version (LOGDEFAULTINIT) { | |
| 270 printf("TypeEnum::defaultInit() '%s'\n", toChars()); | |
| 271 } | |
| 272 // Initialize to first member of enum | |
| 273 //printf("%s\n", sym.defaultval.type.toChars()); | |
| 274 if (!sym.defaultval) | |
| 275 { | |
| 276 error(loc, "forward reference of %s.init", toChars()); | |
| 277 return new ErrorExp(); | |
| 278 } | |
| 279 return sym.defaultval; | |
| 280 } | |
| 281 | |
| 72 | 282 override bool isZeroInit(Loc loc) |
| 0 | 283 { |
| 284 if (!sym.defaultval) | |
| 285 { | |
| 286 debug writef("3: "); | |
| 287 error(loc, "enum %s is forward referenced", sym.toChars()); | |
| 288 return 0; | |
| 289 } | |
| 290 return sym.defaultval.isBool(false); | |
| 291 } | |
| 292 | |
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293 override MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) |
| 0 | 294 { |
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295 // Extra check |
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296 if (tparam && tparam.ty == Tenum) |
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297 { |
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298 TypeEnum tp = cast(TypeEnum)tparam; |
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299 |
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300 if (sym != tp.sym) |
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301 return MATCHnomatch; |
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302 } |
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303 return Type.deduceType(sc, tparam, parameters, dedtypes); |
| 0 | 304 } |
| 305 | |
| 72 | 306 override TypeInfoDeclaration getTypeInfoDeclaration() |
| 0 | 307 { |
| 308 return new TypeInfoEnumDeclaration(this); | |
| 309 } | |
| 310 | |
| 72 | 311 override bool hasPointers() |
| 0 | 312 { |
| 313 return toBasetype().hasPointers(); | |
| 314 } | |
| 315 | |
| 316 version (CPP_MANGLE) { | |
| 317 void toCppMangle(OutBuffer buf, CppMangleState* cms) | |
| 318 { | |
| 319 assert(false); | |
| 320 } | |
| 321 } | |
| 322 | |
| 72 | 323 override type* toCtype() |
| 0 | 324 { |
| 325 return sym.memtype.toCtype(); | |
| 326 } | |
| 72 | 327 } |