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view dmd2/import.h @ 1047:6bb04dbee21f
Some calling convention work for x86-64:
- Implement x86-64 extern(C), hopefully correctly.
- Tried to be a bit smarter about extern(D) while I was there.
Interestingly, this code seems to be generating more efficient code than
gcc and llvm-gcc in some edge cases, like returning a `{ [7 x i8] }` loaded from
a stack slot from an extern(C) function. (gcc generates 7 1-byte loads, while
this code generates a 4-byte, a 2-byte and a 1-byte load)
I also added some changes to make sure structs being returned from functions or
passed in as parameters are stored in memory where the rest of the backend seems
to expect them to be. These should be removed when support for first-class
aggregates improves.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Fri, 06 Mar 2009 16:00:47 +0100 |
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 */