Mercurial > projects > ldc
view dmd2/import.h @ 1418:f5f8c21ce6ef
Make "`aa[key]`" use the same runtime call as "`key in aa`". The runtime calls
these were using were different, but with equivalent definitions.
With `ldc -O3`, the following functions now all compile to the exact same code:
{{{
int[int] y;
void foo(int x) {
if (x in y) {
auto z = x in y;
sink(*z);
}
}
void bar(int x) {
if (x in y) {
sink(y[x]);
}
}
void baz(int x) {
if (auto p = x in y) {
sink(*p);
}
}
}}}
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Mon, 25 May 2009 12:50:40 +0200 |
parents | f04dde6e882c |
children | 54b3c1394d62 |
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// Compiler implementation of the D programming language // Copyright (c) 1999-2007 by Digital Mars // All Rights Reserved // written by Walter Bright // http://www.digitalmars.com // License for redistribution is by either the Artistic License // in artistic.txt, or the GNU General Public License in gnu.txt. // See the included readme.txt for details. #ifndef DMD_IMPORT_H #define DMD_IMPORT_H #ifdef __DMC__ #pragma once #endif /* __DMC__ */ #include "dsymbol.h" struct Identifier; struct Scope; struct OutBuffer; struct Module; struct Package; struct AliasDeclaration; #ifdef _DH struct HdrGenState; #endif struct Import : Dsymbol { Array *packages; // array of Identifier's representing packages Identifier *id; // module Identifier Identifier *aliasId; int isstatic; // !=0 if static import enum PROT protection; // Pairs of alias=name to bind into current namespace Array names; Array aliases; Array aliasdecls; // AliasDeclarations for names/aliases Module *mod; Package *pkg; // leftmost package/module Import(Loc loc, Array *packages, Identifier *id, Identifier *aliasId, int isstatic); void addAlias(Identifier *name, Identifier *alias); const char *kind(); enum PROT prot(); Dsymbol *syntaxCopy(Dsymbol *s); // copy only syntax trees void load(Scope *sc); void semantic(Scope *sc); void semantic2(Scope *sc); Dsymbol *toAlias(); int addMember(Scope *sc, ScopeDsymbol *s, int memnum); Dsymbol *search(Loc loc, Identifier *ident, int flags); int overloadInsert(Dsymbol *s); void toCBuffer(OutBuffer *buf, HdrGenState *hgs); Import *isImport() { return this; } }; #endif /* DMD_IMPORT_H */