Mercurial > projects > ldc
annotate dmd2/enum.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> |
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date | Fri, 06 Mar 2009 16:00:47 +0100 |
parents | f04dde6e882c |
children | 638d16625da2 |
rev | line source |
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758
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1 |
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2 // Compiler implementation of the D programming language |
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3 // Copyright (c) 1999-2008 by Digital Mars |
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4 // All Rights Reserved |
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5 // written by Walter Bright |
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6 // http://www.digitalmars.com |
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7 // License for redistribution is by either the Artistic License |
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8 // in artistic.txt, or the GNU General Public License in gnu.txt. |
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9 // See the included readme.txt for details. |
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10 |
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11 #ifndef DMD_ENUM_H |
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12 #define DMD_ENUM_H |
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13 |
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14 #ifdef __DMC__ |
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15 #pragma once |
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16 #endif /* __DMC__ */ |
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17 |
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18 #include "root.h" |
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19 #include "dsymbol.h" |
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20 |
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21 struct Identifier; |
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22 struct Type; |
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23 struct Expression; |
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24 #ifdef _DH |
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25 struct HdrGenState; |
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26 #endif |
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27 |
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28 |
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29 struct EnumDeclaration : ScopeDsymbol |
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30 { /* enum ident : memtype { ... } |
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31 */ |
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32 Type *type; // the TypeEnum |
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33 Type *memtype; // type of the members |
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34 |
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35 #if DMDV1 |
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36 integer_t maxval; |
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37 integer_t minval; |
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38 integer_t defaultval; // default initializer |
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39 #else |
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40 Expression *maxval; |
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41 Expression *minval; |
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42 Expression *defaultval; // default initializer |
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43 |
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44 Scope *scope; // !=NULL means context to use |
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45 #endif |
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46 int isdeprecated; |
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47 |
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48 EnumDeclaration(Loc loc, Identifier *id, Type *memtype); |
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49 Dsymbol *syntaxCopy(Dsymbol *s); |
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50 void semantic(Scope *sc); |
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51 int oneMember(Dsymbol **ps); |
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52 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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53 Type *getType(); |
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54 const char *kind(); |
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55 #if DMDV2 |
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56 Dsymbol *search(Loc, Identifier *ident, int flags); |
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57 #endif |
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58 int isDeprecated(); // is Dsymbol deprecated? |
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59 |
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60 void emitComment(Scope *sc); |
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61 void toDocBuffer(OutBuffer *buf); |
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62 |
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63 EnumDeclaration *isEnumDeclaration() { return this; } |
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64 |
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65 void toObjFile(int multiobj); // compile to .obj file |
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66 void toDebug(); |
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67 int cvMember(unsigned char *p); |
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68 |
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69 Symbol *sinit; |
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70 Symbol *toInitializer(); |
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71 }; |
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72 |
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73 |
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74 struct EnumMember : Dsymbol |
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75 { |
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76 Expression *value; |
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77 Type *type; |
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78 |
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79 EnumMember(Loc loc, Identifier *id, Expression *value, Type *type); |
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80 Dsymbol *syntaxCopy(Dsymbol *s); |
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81 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); |
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82 const char *kind(); |
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83 |
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84 void emitComment(Scope *sc); |
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85 void toDocBuffer(OutBuffer *buf); |
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86 |
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87 EnumMember *isEnumMember() { return this; } |
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88 }; |
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89 |
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90 #endif /* DMD_ENUM_H */ |