Mercurial > projects > ldc
comparison dmd2/aliasthis.c @ 1452:638d16625da2
LDC 2 compiles again.
| author | Robert Clipsham <robert@octarineparrot.com> |
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| date | Sat, 30 May 2009 17:23:32 +0100 |
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| 1423:42bd767ec5a4 | 1452:638d16625da2 |
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| 1 | |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 2009-2009 by Digital Mars | |
| 4 // All Rights Reserved | |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #include <stdio.h> | |
| 12 #include <assert.h> | |
| 13 | |
| 14 #include "mars.h" | |
| 15 #include "identifier.h" | |
| 16 #include "aliasthis.h" | |
| 17 #include "scope.h" | |
| 18 #include "aggregate.h" | |
| 19 #include "dsymbol.h" | |
| 20 | |
| 21 #if DMDV2 | |
| 22 | |
| 23 | |
| 24 AliasThis::AliasThis(Loc loc, Identifier *ident) | |
| 25 : Dsymbol(NULL) // it's anonymous (no identifier) | |
| 26 { | |
| 27 this->loc = loc; | |
| 28 this->ident = ident; | |
| 29 } | |
| 30 | |
| 31 Dsymbol *AliasThis::syntaxCopy(Dsymbol *s) | |
| 32 { | |
| 33 assert(!s); | |
| 34 /* Since there is no semantic information stored here, | |
| 35 * we don't need to copy it. | |
| 36 */ | |
| 37 return this; | |
| 38 } | |
| 39 | |
| 40 void AliasThis::semantic(Scope *sc) | |
| 41 { | |
| 42 Dsymbol *parent = sc->parent; | |
| 43 if (parent) | |
| 44 parent = parent->pastMixin(); | |
| 45 AggregateDeclaration *ad = NULL; | |
| 46 if (parent) | |
| 47 ad = parent->isAggregateDeclaration(); | |
| 48 if (ad) | |
| 49 { | |
| 50 if (ad->aliasthis) | |
| 51 error("there can be only one alias this"); | |
| 52 assert(ad->members); | |
| 53 Dsymbol *s = ad->search(loc, ident, 0); | |
| 54 ad->aliasthis = s; | |
| 55 } | |
| 56 else | |
| 57 error("alias this can only appear in struct or class declaration, not %s", parent ? parent->toChars() : "nowhere"); | |
| 58 } | |
| 59 | |
| 60 const char *AliasThis::kind() | |
| 61 { | |
| 62 return "alias this"; | |
| 63 } | |
| 64 | |
| 65 void AliasThis::toCBuffer(OutBuffer *buf, HdrGenState *hgs) | |
| 66 { | |
| 67 buf->writestring("alias "); | |
| 68 buf->writestring(ident->toChars()); | |
| 69 buf->writestring(" this;\n"); | |
| 70 } | |
| 71 | |
| 72 #endif |