Mercurial > projects > ddmd
annotate dmd/TypeDArray.d @ 96:acd69f84627e
further work
| author | Trass3r |
|---|---|
| date | Tue, 31 Aug 2010 02:12:15 +0200 |
| parents | 2e2a5c3f943a |
| children | e28b18c23469 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.TypeDArray; |
| 2 | |
| 3 import dmd.TypeArray; | |
| 4 import dmd.MOD; | |
| 5 import dmd.Id; | |
| 6 import dmd.TOK; | |
| 7 import dmd.StringExp; | |
| 8 import dmd.IntegerExp; | |
| 9 import dmd.ArrayLengthExp; | |
| 10 import dmd.Type; | |
| 11 import dmd.Loc; | |
| 12 import dmd.Scope; | |
| 13 import dmd.OutBuffer; | |
| 14 import dmd.HdrGenState; | |
| 15 import dmd.Expression; | |
| 16 import dmd.Identifier; | |
| 17 import dmd.MATCH; | |
| 18 import dmd.ArrayTypes; | |
| 19 import dmd.TypeInfoDeclaration; | |
| 20 import dmd.TypeInfoArrayDeclaration; | |
| 21 import dmd.NullExp; | |
| 22 import dmd.TY; | |
| 23 import dmd.TypeStruct; | |
| 24 import dmd.Util; | |
| 25 import dmd.TypePointer; | |
| 26 import dmd.Global; | |
| 27 | |
| 28 import dmd.backend.TYPE; | |
| 29 import dmd.backend.Symbol; | |
| 30 import dmd.backend.Classsym; | |
| 31 import dmd.backend.Util; | |
| 32 import dmd.backend.SC; | |
| 33 import dmd.backend.TYM; | |
| 34 import dmd.backend.LIST; | |
| 35 | |
| 36 import core.stdc.stdlib; | |
| 37 import core.stdc.stdio; | |
|
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:
0
diff
changeset
|
38 version (Bug4054) import core.memory; |
| 0 | 39 |
| 40 // Dynamic array, no dimension | |
| 41 class TypeDArray : TypeArray | |
| 42 { | |
| 43 this(Type t) | |
| 44 { | |
| 45 super(TY.Tarray, t); | |
| 46 //printf("TypeDArray(t = %p)\n", t); | |
| 47 } | |
| 48 | |
| 49 version (DumbClone) { | |
| 50 } else { | |
| 51 Type clone() | |
| 52 { | |
| 53 assert(false); | |
| 54 } | |
| 55 } | |
| 72 | 56 override Type syntaxCopy() |
| 0 | 57 { |
| 58 Type t = next.syntaxCopy(); | |
| 59 if (t == next) | |
| 60 t = this; | |
| 61 else | |
| 62 { | |
| 63 t = new TypeDArray(t); | |
| 64 t.mod = mod; | |
| 65 } | |
| 66 return t; | |
| 67 } | |
| 68 | |
| 72 | 69 override ulong size(Loc loc) |
| 0 | 70 { |
| 71 //printf("TypeDArray.size()\n"); | |
| 72 return PTRSIZE * 2; | |
| 73 } | |
| 74 | |
| 72 | 75 override uint alignsize() |
| 0 | 76 { |
| 77 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 78 // boundary | |
| 79 return PTRSIZE; | |
| 80 } | |
| 81 | |
| 72 | 82 override Type semantic(Loc loc, Scope sc) |
| 0 | 83 { |
| 84 Type tn = next; | |
| 85 | |
| 86 tn = next.semantic(loc,sc); | |
| 87 Type tbn = tn.toBasetype(); | |
| 88 switch (tbn.ty) | |
| 89 { | |
| 90 case TY.Tfunction: | |
| 91 case TY.Tnone: | |
| 92 case TY.Ttuple: | |
| 93 error(loc, "can't have array of %s", tbn.toChars()); | |
| 94 tn = next = tint32; | |
| 95 break; | |
| 96 case TY.Tstruct: | |
| 97 { | |
| 98 TypeStruct ts = cast(TypeStruct)tbn; | |
| 99 if (ts.sym.isnested) | |
| 100 error(loc, "cannot have array of inner structs %s", ts.toChars()); | |
| 101 break; | |
| 102 } | |
| 103 | |
| 104 default: | |
| 105 break; /// | |
| 106 } | |
| 107 if (tn.isauto()) | |
| 108 error(loc, "cannot have array of auto %s", tn.toChars()); | |
| 109 | |
| 110 next = tn; | |
| 111 transitive(); | |
| 112 return merge(); | |
| 113 } | |
| 114 | |
| 72 | 115 override void toDecoBuffer(OutBuffer buf, int flag) |
| 0 | 116 { |
| 117 Type.toDecoBuffer(buf, flag); | |
| 118 if (next) | |
| 119 next.toDecoBuffer(buf, (flag & 0x100) ? 0 : mod); | |
| 120 } | |
| 121 | |
| 96 | 122 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 123 { |
| 124 if (mod != this.mod) | |
| 125 { | |
| 126 toCBuffer3(buf, hgs, mod); | |
| 127 return; | |
| 128 } | |
| 96 | 129 if (equals(tstring)) |
| 130 buf.writestring("string"); | |
| 131 else | |
| 132 { | |
| 133 next.toCBuffer2(buf, hgs, this.mod); | |
| 134 buf.writestring("[]"); | |
| 135 } | |
| 0 | 136 } |
| 137 | |
| 72 | 138 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 139 { |
| 140 version (LOGDOTEXP) { | |
| 141 printf("TypeDArray.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 142 } | |
| 143 if (ident is Id.length) | |
| 144 { | |
| 145 if (e.op == TOK.TOKstring) | |
| 146 { | |
| 147 StringExp se = cast(StringExp)e; | |
| 148 | |
| 149 return new IntegerExp(se.loc, se.len, Type.tindex); | |
| 150 } | |
| 151 e = new ArrayLengthExp(e.loc, e); | |
| 152 e.type = Type.tsize_t; | |
| 153 return e; | |
| 154 } | |
| 155 else if (ident is Id.ptr) | |
| 156 { | |
| 157 e = e.castTo(sc, next.pointerTo()); | |
| 158 return e; | |
| 159 } | |
| 160 else | |
| 161 { | |
| 162 e = TypeArray.dotExp(sc, e, ident); | |
| 163 } | |
| 164 return e; | |
| 165 } | |
| 166 | |
| 72 | 167 override bool isString() |
| 0 | 168 { |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
169 TY nty = next.toBasetype().ty; |
|
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
170 return nty == Tchar || nty == Twchar || nty == Tdchar; |
| 0 | 171 } |
| 172 | |
| 72 | 173 override bool isZeroInit(Loc loc) |
| 0 | 174 { |
| 175 return true; | |
| 176 } | |
| 177 | |
| 72 | 178 override bool checkBoolean() |
| 0 | 179 { |
| 180 return true; | |
| 181 } | |
| 182 | |
| 72 | 183 override MATCH implicitConvTo(Type to) |
| 0 | 184 { |
| 185 //printf("TypeDArray.implicitConvTo(to = %s) this = %s\n", to.toChars(), toChars()); | |
| 186 if (equals(to)) | |
| 187 return MATCHexact; | |
| 188 | |
| 189 // Allow implicit conversion of array to pointer | |
| 190 if (IMPLICIT_ARRAY_TO_PTR && to.ty == Tpointer) | |
| 191 { | |
| 192 TypePointer tp = cast(TypePointer)to; | |
| 193 | |
| 194 /* Allow conversion to void* | |
| 195 */ | |
| 196 if (tp.next.ty == Tvoid && | |
| 197 (next.mod == tp.next.mod || tp.next.mod == MODconst)) | |
| 198 { | |
| 199 return MATCHconvert; | |
| 200 } | |
| 201 | |
| 202 return next.constConv(to); | |
| 203 } | |
| 204 | |
| 205 if (to.ty == Tarray) | |
| 206 { | |
| 207 int offset = 0; | |
| 208 TypeDArray ta = cast(TypeDArray)to; | |
| 209 | |
| 210 if (!(next.mod == ta.next.mod || ta.next.mod == MODconst)) | |
| 211 return MATCHnomatch; // not const-compatible | |
| 212 | |
| 213 /* Allow conversion to void[] | |
| 214 */ | |
| 215 if (next.ty != Tvoid && ta.next.ty == Tvoid) | |
| 216 { | |
| 217 return MATCHconvert; | |
| 218 } | |
| 219 | |
| 220 MATCH m = next.constConv(ta.next); | |
| 221 if (m != MATCHnomatch) | |
| 222 { | |
| 223 if (m == MATCHexact && mod != to.mod) | |
| 224 m = MATCHconst; | |
| 225 return m; | |
| 226 } | |
| 227 | |
| 228 /* Allow conversions of T[][] to const(T)[][] | |
| 229 */ | |
| 230 if (mod == ta.mod && next.ty == Tarray && ta.next.ty == Tarray) | |
| 231 { | |
| 232 m = next.implicitConvTo(ta.next); | |
| 233 if (m == MATCHconst) | |
| 234 return m; | |
| 235 } | |
| 236 | |
| 237 /* Conversion of array of derived to array of base | |
| 238 */ | |
| 239 if (ta.next.isBaseOf(next, &offset) && offset == 0) | |
| 240 return MATCHconvert; | |
| 241 } | |
| 242 return Type.implicitConvTo(to); | |
| 243 } | |
| 244 | |
| 72 | 245 override Expression defaultInit(Loc loc) |
| 0 | 246 { |
| 247 version (LOGDEFAULTINIT) { | |
| 248 printf("TypeDArray.defaultInit() '%s'\n", toChars()); | |
| 249 } | |
| 250 Expression e = new NullExp(loc); | |
| 251 e.type = this; | |
| 252 return e; | |
| 253 } | |
| 254 | |
| 72 | 255 override bool builtinTypeInfo() |
| 0 | 256 { |
| 257 version (DMDV2) { | |
| 258 return !mod && (next.isTypeBasic() !is null && !next.mod || | |
| 259 // strings are so common, make them builtin | |
| 260 next.ty == Tchar && next.mod == MODinvariant); | |
| 261 } else { | |
| 262 return next.isTypeBasic() !is null; | |
| 263 } | |
| 264 } | |
| 265 version (DMDV2) { | |
| 72 | 266 override MATCH deduceType(Scope sc, Type tparam, TemplateParameters parameters, Objects dedtypes) |
| 0 | 267 { |
| 268 static if (false) { | |
| 269 printf("TypeDArray.deduceType()\n"); | |
| 270 printf("\tthis = %d, ", ty); print(); | |
| 271 printf("\ttparam = %d, ", tparam.ty); tparam.print(); | |
| 272 } | |
| 273 return Type.deduceType(sc, tparam, parameters, dedtypes); | |
| 274 | |
| 275 Lnomatch: | |
| 276 return MATCHnomatch; | |
| 277 } | |
| 278 } | |
| 72 | 279 override TypeInfoDeclaration getTypeInfoDeclaration() |
| 0 | 280 { |
| 281 return new TypeInfoArrayDeclaration(this); | |
| 282 } | |
| 283 | |
| 72 | 284 override bool hasPointers() |
| 0 | 285 { |
| 286 return true; | |
| 287 } | |
| 288 | |
| 289 version (CPP_MANGLE) { | |
| 290 void toCppMangle(OutBuffer buf, CppMangleState* cms); | |
| 291 } | |
| 292 | |
| 72 | 293 override type* toCtype() |
| 0 | 294 { |
| 295 type *t; | |
| 296 | |
| 297 if (ctype) | |
| 298 return ctype; | |
| 299 | |
| 300 if (0 && global.params.symdebug) | |
| 301 { | |
| 302 /* Create a C type out of: | |
| 303 * struct _Array_T { size_t length; T* data; } | |
| 304 */ | |
| 305 Symbol* s; | |
| 306 char *id; | |
| 307 | |
| 308 assert(next.deco); | |
|
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:
0
diff
changeset
|
309 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:
0
diff
changeset
|
310 id = cast(char*) GC.malloc(7 + next.deco.length + 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:
0
diff
changeset
|
311 else |
| 0 | 312 id = cast(char*) alloca(7 + next.deco.length + 1); |
| 313 sprintf(id, "_Array_%.*s", next.deco); | |
| 314 s = symbol_calloc(id); | |
| 315 s.Sclass = SC.SCstruct; | |
| 316 s.Sstruct = struct_calloc(); | |
| 317 s.Sstruct.Sflags |= 0; | |
| 318 s.Sstruct.Salignsize = alignsize(); | |
| 319 s.Sstruct.Sstructalign = cast(ubyte)global.structalign; | |
| 320 s.Sstruct.Sstructsize = cast(uint)size(Loc(0)); | |
| 321 slist_add(s); | |
| 322 | |
| 323 Symbol* s1 = symbol_name("length", SC.SCmember, Type.tsize_t.toCtype()); | |
| 324 list_append(&s.Sstruct.Sfldlst, s1); | |
| 325 | |
| 326 Symbol* s2 = symbol_name("data", SC.SCmember, next.pointerTo().toCtype()); | |
| 327 s2.Smemoff = cast(uint)Type.tsize_t.size(); | |
| 328 list_append(&s.Sstruct.Sfldlst, s2); | |
| 329 | |
| 330 t = type_alloc(TYM.TYstruct); | |
| 331 t.Ttag = cast(Classsym*)s; // structure tag name | |
| 332 t.Tcount++; | |
| 333 s.Stype = t; | |
| 334 } | |
| 335 else | |
| 336 { | |
| 337 if (global.params.symdebug == 1) | |
| 338 { | |
| 339 // Generate D symbolic debug info, rather than C | |
| 340 t = type_allocn(TYM.TYdarray, next.toCtype()); | |
| 341 } | |
| 342 else | |
| 343 t = type_fake(TYM.TYdarray); | |
| 344 } | |
| 345 t.Tcount++; | |
| 346 ctype = t; | |
| 347 return t; | |
| 348 } | |
|
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:
0
diff
changeset
|
349 } |