Mercurial > projects > ddmd
annotate dmd/ScopeDsymbol.d @ 79:43073c7c7769
updated to 2.035
also implemented a few missing functions
still crashes in Import.importAll though
| author | Trass3r |
|---|---|
| date | Mon, 30 Aug 2010 03:57:51 +0200 |
| parents | ad4792a1cfd6 |
| children | e28b18c23469 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.ScopeDsymbol; |
| 2 | |
| 3 import dmd.Dsymbol; | |
| 4 import dmd.Declaration; | |
| 5 import dmd.Array; | |
| 6 import dmd.OverloadSet; | |
| 7 import dmd.Import; | |
| 8 import dmd.DsymbolTable; | |
| 9 import dmd.Identifier; | |
| 10 import dmd.Loc; | |
| 11 import dmd.PROT; | |
| 12 import dmd.FuncDeclaration; | |
| 13 import dmd.Scope; | |
| 14 import dmd.Util; | |
| 15 import dmd.Id; | |
| 16 import dmd.expression.Util; | |
| 17 | |
| 79 | 18 import std.stdio : writef; |
| 19 //core.stdc.stdlib; | |
| 4 | 20 import core.memory; |
| 0 | 21 |
| 22 class ScopeDsymbol : Dsymbol | |
| 23 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
changeset
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24 Dsymbols members; // all Dsymbol's in this scope |
| 0 | 25 DsymbolTable symtab; // members[] sorted into table |
| 26 | |
| 27 Array imports; // imported ScopeDsymbol's | |
| 28 PROT* prots; // array of PROT, one for each import | |
| 29 | |
| 30 this() | |
| 31 { | |
| 32 // do nothing | |
| 33 } | |
| 34 | |
| 35 this(Identifier id) | |
| 36 { | |
| 37 super(id); | |
| 38 } | |
| 39 | |
| 72 | 40 override Dsymbol syntaxCopy(Dsymbol s) |
| 0 | 41 { |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
42 //printf("ScopeDsymbol.syntaxCopy('%s')\n", toChars()); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
43 |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
44 ScopeDsymbol sd; |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
45 if (s) |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
46 sd = cast(ScopeDsymbol)s; |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
47 else |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
48 sd = new ScopeDsymbol(ident); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
49 sd.members = arraySyntaxCopy(members); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
50 return sd; |
| 0 | 51 } |
| 52 | |
| 72 | 53 override Dsymbol search(Loc loc, Identifier ident, int flags) |
| 0 | 54 { |
| 55 //printf("%s.ScopeDsymbol.search(ident='%s', flags=x%x)\n", toChars(), ident.toChars(), flags); | |
| 56 //if (strcmp(ident.toChars(),"c") == 0) *(char*)0=0; | |
| 57 | |
| 58 // Look in symbols declared in this module | |
| 59 Dsymbol s = symtab ? symtab.lookup(ident) : null; | |
| 79 | 60 // writef("\ts = %p, imports = %p, %d\n", s, imports, imports ? imports->dim : 0); |
| 0 | 61 if (s) |
| 62 { | |
| 63 //printf("\ts = '%s.%s'\n",toChars(),s.toChars()); | |
| 64 } | |
| 65 else if (imports) | |
| 66 { | |
| 67 OverloadSet a = null; | |
| 68 | |
| 69 // Look in imported modules | |
| 70 for (int i = 0; i < imports.dim; i++) | |
| 71 { | |
| 72 ScopeDsymbol ss = cast(ScopeDsymbol)imports.data[i]; | |
| 73 Dsymbol s2; | |
| 74 | |
| 75 // If private import, don't search it | |
| 76 if (flags & 1 && prots[i] == PROT.PROTprivate) | |
| 77 continue; | |
| 78 | |
| 79 //printf("\tscanning import '%s', prots = %d, isModule = %p, isImport = %p\n", ss.toChars(), prots[i], ss.isModule(), ss.isImport()); | |
| 80 /* Don't find private members if ss is a module | |
| 81 */ | |
| 82 s2 = ss.search(loc, ident, ss.isModule() ? 1 : 0); | |
| 83 if (!s) | |
| 84 s = s2; | |
| 85 else if (s2 && s != s2) | |
| 86 { | |
| 87 if (s.toAlias() == s2.toAlias()) | |
| 88 { | |
| 89 /* After following aliases, we found the same symbol, | |
| 90 * so it's not an ambiguity. | |
| 91 * But if one alias is deprecated, prefer the other. | |
| 92 */ | |
| 93 if (s.isDeprecated()) | |
| 94 s = s2; | |
| 95 } | |
| 96 else | |
| 97 { | |
| 98 /* Two imports of the same module should be regarded as | |
| 99 * the same. | |
| 100 */ | |
| 101 Import i1 = s.isImport(); | |
| 102 Import i2 = s2.isImport(); | |
| 103 if (!(i1 && i2 && | |
| 104 (i1.mod == i2.mod || | |
| 105 (!i1.parent.isImport() && !i2.parent.isImport() && | |
| 106 i1.ident.equals(i2.ident)) | |
| 107 ) | |
| 108 ) | |
| 109 ) | |
| 110 { | |
| 111 /* If both s2 and s are overloadable (though we only | |
| 112 * need to check s once) | |
| 113 */ | |
| 114 if (s2.isOverloadable() && (a || s.isOverloadable())) | |
| 115 { if (!a) | |
| 116 a = new OverloadSet(); | |
| 117 /* Don't add to a[] if s2 is alias of previous sym | |
| 118 */ | |
|
77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
|
119 foreach (size_t j, Dsymbol s3; a.a) |
| 0 | 120 { |
| 121 if (s2.toAlias() == s3.toAlias()) | |
| 122 { | |
| 123 if (s3.isDeprecated()) | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
124 a.a[j] = s2; |
| 0 | 125 goto Lcontinue; |
| 126 } | |
| 127 } | |
| 128 a.push(s2); | |
| 129 Lcontinue: | |
| 130 continue; | |
| 131 } | |
| 132 if (flags & 4) // if return null on ambiguity | |
| 133 return null; | |
| 134 if (!(flags & 2)) | |
| 135 ss.multiplyDefined(loc, s, s2); | |
| 136 break; | |
| 137 } | |
| 138 } | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 /* Build special symbol if we had multiple finds | |
| 143 */ | |
| 144 if (a) | |
| 145 { | |
| 146 assert(s); | |
| 147 a.push(s); | |
| 148 s = a; | |
| 149 } | |
| 150 | |
| 151 if (s) | |
| 152 { | |
| 153 Declaration d = s.isDeclaration(); | |
| 154 if (d && d.protection == PROT.PROTprivate && !d.parent.isTemplateMixin() && !(flags & 2)) | |
| 155 error("%s is private", d.toPrettyChars()); | |
| 156 } | |
| 157 } | |
| 158 return s; | |
| 159 } | |
| 160 | |
| 161 void importScope(ScopeDsymbol s, PROT protection) | |
| 162 { | |
| 79 | 163 //writef("%s.ScopeDsymbol.importScope(%s, %d)\n", toChars(), s.toChars(), protection); |
| 0 | 164 |
| 165 // No circular or redundant import's | |
| 79 | 166 if (s !is this) |
| 0 | 167 { |
| 168 if (!imports) | |
| 169 imports = new Array(); | |
| 170 else | |
| 171 { | |
| 172 for (int i = 0; i < imports.dim; i++) | |
| 173 { | |
| 174 ScopeDsymbol ss = cast(ScopeDsymbol)imports.data[i]; | |
| 175 if (ss is s) // if already imported | |
| 176 { | |
| 177 if (protection > prots[i]) | |
| 178 prots[i] = protection; // upgrade access | |
| 179 return; | |
| 180 } | |
| 181 } | |
| 182 } | |
| 183 imports.push(cast(void*)s); | |
| 2 | 184 prots = cast(PROT*)GC.realloc(prots, imports.dim * prots[0].sizeof); |
| 0 | 185 prots[imports.dim - 1] = protection; |
| 186 } | |
| 187 } | |
| 188 | |
| 72 | 189 override int isforwardRef() |
| 0 | 190 { |
| 79 | 191 return (members is null); |
| 0 | 192 } |
| 193 | |
| 72 | 194 override void defineRef(Dsymbol s) |
| 0 | 195 { |
| 79 | 196 ScopeDsymbol ss = s.isScopeDsymbol(); |
| 197 members = ss.members; | |
| 198 ss.members = null; | |
| 0 | 199 } |
| 200 | |
| 201 static void multiplyDefined(Loc loc, Dsymbol s1, Dsymbol s2) | |
| 202 { | |
| 203 static if (false) { | |
| 204 printf("ScopeDsymbol::multiplyDefined()\n"); | |
| 205 printf("s1 = %p, '%s' kind = '%s', parent = %s\n", s1, s1.toChars(), s1.kind(), s1.parent ? s1.parent.toChars() : ""); | |
| 206 printf("s2 = %p, '%s' kind = '%s', parent = %s\n", s2, s2.toChars(), s2.kind(), s2.parent ? s2.parent.toChars() : ""); | |
| 207 } | |
| 208 if (loc.filename) | |
| 209 { | |
| 210 .error(loc, "%s at %s conflicts with %s at %s", | |
| 211 s1.toPrettyChars(), | |
| 212 s1.locToChars(), | |
| 213 s2.toPrettyChars(), | |
| 214 s2.locToChars()); | |
| 215 } | |
| 216 else | |
| 217 { | |
| 218 s1.error(loc, "conflicts with %s %s at %s", s2.kind(), s2.toPrettyChars(), s2.locToChars()); | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 Dsymbol nameCollision(Dsymbol s) | |
| 223 { | |
| 224 assert(false); | |
| 225 } | |
| 226 | |
| 72 | 227 override string kind() |
| 0 | 228 { |
| 229 assert(false); | |
| 230 } | |
| 231 | |
| 79 | 232 version(DMDV2) |
| 233 { | |
| 0 | 234 /******************************************* |
| 235 * Look for member of the form: | |
| 236 * const(MemberInfo)[] getMembers(string); | |
| 237 * Returns NULL if not found | |
| 238 */ | |
| 239 FuncDeclaration findGetMembers() | |
| 240 { | |
| 241 Dsymbol s = search_function(this, Id.getmembers); | |
| 242 FuncDeclaration fdx = s ? s.isFuncDeclaration() : null; | |
| 243 | |
| 244 static if (false) { // Finish | |
| 245 static __gshared TypeFunction tfgetmembers; | |
| 246 | |
| 247 if (!tfgetmembers) | |
| 248 { | |
| 249 Scope sc; | |
| 250 Arguments arguments = new Arguments(); | |
| 251 Arguments arg = new Argument(STCin, Type.tchar.constOf().arrayOf(), null, null); | |
| 252 arguments.push(arg); | |
| 253 | |
| 254 Type tret = null; | |
| 255 tfgetmembers = new TypeFunction(arguments, tret, 0, LINK.LINKd); | |
| 256 tfgetmembers = cast(TypeFunction)tfgetmembers.semantic(0, &sc); | |
| 257 } | |
| 258 if (fdx) | |
| 259 fdx = fdx.overloadExactMatch(tfgetmembers); | |
| 260 } | |
| 261 if (fdx && fdx.isVirtual()) { | |
| 262 fdx = null; | |
| 263 } | |
| 264 | |
| 265 return fdx; | |
| 266 } | |
| 79 | 267 } |
| 268 | |
| 269 Dsymbol symtabInsert(Dsymbol s) | |
| 270 { | |
| 271 return symtab.insert(s); | |
| 272 } | |
| 0 | 273 |
| 274 void emitMemberComments(Scope sc) | |
| 275 { | |
| 276 assert(false); | |
| 277 } | |
| 278 | |
| 79 | 279 version(DMDV2) |
| 280 { | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
281 static size_t dim(Dsymbols members) |
| 0 | 282 { |
| 283 assert(false); | |
| 284 } | |
| 79 | 285 |
| 286 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
|
287 static Dsymbol getNth(Dsymbols members, size_t nth, size_t* pn = null) |
| 0 | 288 { |
| 289 assert(false); | |
| 290 } | |
| 79 | 291 } |
| 72 | 292 override ScopeDsymbol isScopeDsymbol() { return this; } |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
4
diff
changeset
|
293 } |