Mercurial > projects > ddmd
annotate dmd/TypeDArray.d @ 135:af1bebfd96a4 dmd2037
dmd 2.038
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Mon, 13 Sep 2010 22:19:42 +0100 |
| parents | e28b18c23469 |
| children | fa9a71a9f5a8 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.TypeDArray; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.TypeArray; |
| 5 import dmd.MOD; | |
| 6 import dmd.Id; | |
| 7 import dmd.TOK; | |
| 8 import dmd.StringExp; | |
| 9 import dmd.IntegerExp; | |
| 10 import dmd.ArrayLengthExp; | |
| 11 import dmd.Type; | |
| 12 import dmd.Loc; | |
| 13 import dmd.Scope; | |
| 14 import dmd.OutBuffer; | |
| 15 import dmd.HdrGenState; | |
| 16 import dmd.Expression; | |
| 17 import dmd.Identifier; | |
| 18 import dmd.MATCH; | |
| 19 import dmd.ArrayTypes; | |
| 20 import dmd.TypeInfoDeclaration; | |
| 21 import dmd.TypeInfoArrayDeclaration; | |
| 22 import dmd.NullExp; | |
| 23 import dmd.TY; | |
| 24 import dmd.TypeStruct; | |
| 25 import dmd.Util; | |
| 26 import dmd.TypePointer; | |
| 27 import dmd.Global; | |
| 28 | |
| 29 import dmd.backend.TYPE; | |
| 30 import dmd.backend.Symbol; | |
| 31 import dmd.backend.Classsym; | |
| 32 import dmd.backend.Util; | |
| 33 import dmd.backend.SC; | |
| 34 import dmd.backend.TYM; | |
| 35 import dmd.backend.LIST; | |
| 36 | |
| 37 import core.stdc.stdlib; | |
| 38 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
|
39 version (Bug4054) import core.memory; |
| 0 | 40 |
| 41 // Dynamic array, no dimension | |
| 42 class TypeDArray : TypeArray | |
| 43 { | |
| 44 this(Type t) | |
| 45 { | |
| 46 super(TY.Tarray, t); | |
| 47 //printf("TypeDArray(t = %p)\n", t); | |
| 48 } | |
| 49 | |
| 50 version (DumbClone) { | |
| 51 } else { | |
| 52 Type clone() | |
| 53 { | |
| 54 assert(false); | |
| 55 } | |
| 56 } | |
| 72 | 57 override Type syntaxCopy() |
| 0 | 58 { |
| 59 Type t = next.syntaxCopy(); | |
| 60 if (t == next) | |
| 61 t = this; | |
| 62 else | |
| 63 { | |
| 64 t = new TypeDArray(t); | |
| 65 t.mod = mod; | |
| 66 } | |
| 67 return t; | |
| 68 } | |
| 69 | |
| 72 | 70 override ulong size(Loc loc) |
| 0 | 71 { |
| 72 //printf("TypeDArray.size()\n"); | |
| 73 return PTRSIZE * 2; | |
| 74 } | |
| 75 | |
| 72 | 76 override uint alignsize() |
| 0 | 77 { |
| 78 // A DArray consists of two ptr-sized values, so align it on pointer size | |
| 79 // boundary | |
| 80 return PTRSIZE; | |
| 81 } | |
| 82 | |
| 72 | 83 override Type semantic(Loc loc, Scope sc) |
| 0 | 84 { |
| 85 Type tn = next; | |
| 86 | |
| 87 tn = next.semantic(loc,sc); | |
| 88 Type tbn = tn.toBasetype(); | |
| 89 switch (tbn.ty) | |
| 90 { | |
| 91 case TY.Tfunction: | |
| 92 case TY.Tnone: | |
| 93 case TY.Ttuple: | |
| 94 error(loc, "can't have array of %s", tbn.toChars()); | |
| 95 tn = next = tint32; | |
| 96 break; | |
| 97 case TY.Tstruct: | |
| 98 { | |
| 99 TypeStruct ts = cast(TypeStruct)tbn; | |
| 100 if (ts.sym.isnested) | |
| 101 error(loc, "cannot have array of inner structs %s", ts.toChars()); | |
| 102 break; | |
| 103 } | |
| 104 | |
| 105 default: | |
| 106 break; /// | |
| 107 } | |
| 108 if (tn.isauto()) | |
| 109 error(loc, "cannot have array of auto %s", tn.toChars()); | |
| 110 | |
| 111 next = tn; | |
| 112 transitive(); | |
| 113 return merge(); | |
| 114 } | |
| 115 | |
| 72 | 116 override void toDecoBuffer(OutBuffer buf, int flag) |
| 0 | 117 { |
| 118 Type.toDecoBuffer(buf, flag); | |
| 119 if (next) | |
| 120 next.toDecoBuffer(buf, (flag & 0x100) ? 0 : mod); | |
| 121 } | |
| 122 | |
| 96 | 123 override void toCBuffer2(OutBuffer buf, HdrGenState* hgs, MOD mod) |
| 0 | 124 { |
| 125 if (mod != this.mod) | |
| 126 { | |
| 127 toCBuffer3(buf, hgs, mod); | |
| 128 return; | |
| 129 } | |
| 96 | 130 if (equals(tstring)) |
| 131 buf.writestring("string"); | |
| 132 else | |
| 133 { | |
| 134 next.toCBuffer2(buf, hgs, this.mod); | |
| 135 buf.writestring("[]"); | |
| 136 } | |
| 0 | 137 } |
| 138 | |
| 72 | 139 override Expression dotExp(Scope sc, Expression e, Identifier ident) |
| 0 | 140 { |
| 141 version (LOGDOTEXP) { | |
| 142 printf("TypeDArray.dotExp(e = '%s', ident = '%s')\n", e.toChars(), ident.toChars()); | |
| 143 } | |
| 144 if (ident is Id.length) | |
| 145 { | |
| 146 if (e.op == TOK.TOKstring) | |
| 147 { | |
| 148 StringExp se = cast(StringExp)e; | |
| 149 | |
| 150 return new IntegerExp(se.loc, se.len, Type.tindex); | |
| 151 } | |
| 152 e = new ArrayLengthExp(e.loc, e); | |
| 153 e.type = Type.tsize_t; | |
| 154 return e; | |
| 155 } | |
| 156 else if (ident is Id.ptr) | |
| 157 { | |
| 158 e = e.castTo(sc, next.pointerTo()); | |
| 159 return e; | |
| 160 } | |
| 161 else | |
| 162 { | |
| 163 e = TypeArray.dotExp(sc, e, ident); | |
| 164 } | |
| 165 return e; | |
| 166 } | |
| 167 | |
| 72 | 168 override bool isString() |
| 0 | 169 { |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
170 TY nty = next.toBasetype().ty; |
|
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
171 return nty == Tchar || nty == Twchar || nty == Tdchar; |
| 0 | 172 } |
| 173 | |
| 72 | 174 override bool isZeroInit(Loc loc) |
| 0 | 175 { |
| 176 return true; | |
| 177 } | |
| 178 | |
| 72 | 179 override bool checkBoolean() |
| 0 | 180 { |
| 181 return true; | |
| 182 } | |
| 183 | |
| 72 | 184 override MATCH implicitConvTo(Type to) |
| 0 | 185 { |
| 186 //printf("TypeDArray.implicitConvTo(to = %s) this = %s\n", to.toChars(), toChars()); | |
| 187 if (equals(to)) | |
| 188 return MATCHexact; | |
| 189 | |
| 190 // Allow implicit conversion of array to pointer | |
| 191 if (IMPLICIT_ARRAY_TO_PTR && to.ty == Tpointer) | |
| 192 { | |
| 193 TypePointer tp = cast(TypePointer)to; | |
| 194 | |
| 195 /* Allow conversion to void* | |
| 196 */ | |
| 197 if (tp.next.ty == Tvoid && | |
| 135 | 198 MODimplicitConv(next.mod, tp.next.mod)) |
| 0 | 199 { |
| 200 return MATCHconvert; | |
| 201 } | |
| 202 | |
| 203 return next.constConv(to); | |
| 204 } | |
| 205 | |
| 206 if (to.ty == Tarray) | |
| 207 { | |
| 208 int offset = 0; | |
| 209 TypeDArray ta = cast(TypeDArray)to; | |
| 210 | |
| 135 | 211 if (!MODimplicitConv(next.mod, ta.next.mod)) |
| 0 | 212 return MATCHnomatch; // not const-compatible |
| 213 | |
| 214 /* Allow conversion to void[] | |
| 215 */ | |
| 216 if (next.ty != Tvoid && ta.next.ty == Tvoid) | |
| 217 { | |
| 218 return MATCHconvert; | |
| 219 } | |
| 220 | |
| 221 MATCH m = next.constConv(ta.next); | |
| 222 if (m != MATCHnomatch) | |
| 223 { | |
| 224 if (m == MATCHexact && mod != to.mod) | |
| 225 m = MATCHconst; | |
| 226 return m; | |
| 227 } | |
| 228 | |
| 135 | 229 static if(false) { |
| 0 | 230 /* Allow conversions of T[][] to const(T)[][] |
| 231 */ | |
| 232 if (mod == ta.mod && next.ty == Tarray && ta.next.ty == Tarray) | |
| 233 { | |
| 234 m = next.implicitConvTo(ta.next); | |
| 235 if (m == MATCHconst) | |
| 236 return m; | |
| 237 } | |
| 135 | 238 } |
| 0 | 239 /* Conversion of array of derived to array of base |
| 240 */ | |
| 241 if (ta.next.isBaseOf(next, &offset) && offset == 0) | |
| 242 return MATCHconvert; | |
| 243 } | |
| 244 return Type.implicitConvTo(to); | |
| 245 } | |
| 246 | |
| 72 | 247 override Expression defaultInit(Loc loc) |
| 0 | 248 { |
| 249 version (LOGDEFAULTINIT) { | |
| 250 printf("TypeDArray.defaultInit() '%s'\n", toChars()); | |
| 251 } | |
| 135 | 252 return new NullExp(loc, this); |
| 0 | 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 | |
| 135 | 260 next.ty == Tchar && next.mod == MODimmutable); |
| 0 | 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 } |