Mercurial > projects > ddmd
annotate dmd/TupleDeclaration.d @ 126:1765f3ef917d
ClassDeclarations, Arguments -> Vector
author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
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date | Fri, 03 Sep 2010 23:25:55 +0100 |
parents | e28b18c23469 |
children | 60bb0fe4563e |
rev | line source |
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0 | 1 module dmd.TupleDeclaration; |
2 | |
114 | 3 import dmd.common; |
0 | 4 import dmd.Declaration; |
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5 import dmd.Argument; |
0 | 6 import dmd.ArrayTypes; |
7 import dmd.TypeTuple; | |
8 import dmd.Loc; | |
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9 import dmd.STC; |
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10 import dmd.TOK; |
0 | 11 import dmd.Identifier; |
12 import dmd.Dsymbol; | |
13 import dmd.Type; | |
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14 import dmd.DYNCAST; |
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15 import dmd.OutBuffer; |
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16 import dmd.Expression; |
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17 import dmd.DsymbolExp; |
0 | 18 |
19 class TupleDeclaration : Declaration | |
20 { | |
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21 Objects objects; |
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22 int isexp; // 1: expression tuple |
0 | 23 |
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24 TypeTuple tupletype; // !=NULL if this is a type tuple |
0 | 25 |
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26 this(Loc loc, Identifier ident, Objects objects) |
0 | 27 { |
28 super(ident); | |
13 | 29 this.type = null; |
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30 this.objects = objects; |
13 | 31 this.isexp = 0; |
32 this.tupletype = null; | |
0 | 33 } |
34 | |
72 | 35 override Dsymbol syntaxCopy(Dsymbol) |
0 | 36 { |
37 assert(false); | |
38 } | |
39 | |
72 | 40 override string kind() |
0 | 41 { |
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42 return "tuple"; |
0 | 43 } |
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44 |
72 | 45 override Type getType() |
0 | 46 { |
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47 /* If this tuple represents a type, return that type |
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48 */ |
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49 |
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50 //printf("TupleDeclaration::getType() %s\n", toChars()); |
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51 if (isexp) |
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52 return null; |
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53 if (!tupletype) |
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54 { |
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55 /* It's only a type tuple if all the Object's are types |
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56 */ |
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57 for (size_t i = 0; i < objects.dim; i++) |
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58 { |
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59 Object o = objects[i]; |
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60 |
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61 if (cast(Type)o is null) |
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62 { |
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63 //printf("\tnot[%d], %p, %d\n", i, o, o->dyncast()); |
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64 return null; |
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65 } |
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66 } |
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67 |
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68 /* We know it's a type tuple, so build the TypeTuple |
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69 */ |
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70 Arguments args = new Arguments(); |
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71 args.setDim(objects.dim); |
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72 OutBuffer buf = new OutBuffer(); |
98 | 73 bool hasdeco = 1; |
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74 for (size_t i = 0; i < objects.dim; i++) |
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75 { Type t = cast(Type)objects[i]; |
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76 |
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77 //printf("type = %s\n", t->toChars()); |
98 | 78 static if (false) |
79 { | |
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80 buf.printf("_%s_%d", ident.toChars(), i); |
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81 char *name = cast(char *)buf.extractData(); |
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82 Identifier id = new Identifier(name, TOKidentifier); |
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83 auto arg = new Argument(STCin, t, id, null); |
98 | 84 } else { |
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85 auto arg = new Argument(STCundefined, t, null, null); |
98 | 86 } |
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87 args[i] = arg; |
98 | 88 if (!t.deco) |
89 hasdeco = false; | |
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90 } |
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91 |
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92 tupletype = new TypeTuple(args); |
98 | 93 if (hasdeco) |
99 | 94 return tupletype.semantic(Loc(0), null); |
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95 } |
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96 |
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97 return tupletype; |
0 | 98 } |
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99 |
72 | 100 override bool needThis() |
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101 { |
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102 //printf("TupleDeclaration::needThis(%s)\n", toChars()); |
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103 for (size_t i = 0; i < objects.dim; i++) |
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104 { |
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105 Object o = objects[i]; |
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106 if (auto e = cast(Expression)o) |
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107 { |
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108 if (e.op == TOKdsymbol) |
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109 { |
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110 DsymbolExp ve = cast(DsymbolExp)e; |
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111 Declaration d = ve.s.isDeclaration(); |
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112 if (d && d.needThis()) |
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113 { |
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114 return 1; |
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115 } |
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116 } |
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117 } |
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118 } |
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119 return 0; |
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120 } |
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121 |
72 | 122 override TupleDeclaration isTupleDeclaration() { return this; } |
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123 } |