Mercurial > projects > ddmd
annotate dmd/AnonDeclaration.d @ 187:b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
| author | Abscissa |
|---|---|
| date | Tue, 07 Jun 2011 23:37:34 -0400 |
| parents | cd48cb899aee |
| children |
| rev | line source |
|---|---|
| 72 | 1 module dmd.AnonDeclaration; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.OutBuffer; |
| 5 import dmd.Loc; | |
| 6 import dmd.Scope; | |
| 7 import dmd.Array; | |
| 8 import dmd.AttribDeclaration; | |
| 9 import dmd.HdrGenState; | |
| 0 | 10 import dmd.Dsymbol; |
| 11 import dmd.AggregateDeclaration; | |
| 12 import dmd.AnonymousAggregateDeclaration; | |
| 13 import dmd.STC; | |
| 14 import dmd.Module; | |
| 72 | 15 import dmd.VarDeclaration; |
| 169 | 16 import dmd.Global; |
| 72 | 17 |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
179
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changeset
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18 import dmd.DDMDExtensions; |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
179
diff
changeset
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19 |
| 0 | 20 class AnonDeclaration : AttribDeclaration |
| 21 { | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
179
diff
changeset
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22 mixin insertMemberExtension!(typeof(this)); |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
179
diff
changeset
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23 |
| 0 | 24 int isunion; |
| 25 int sem = 0; // 1 if successful semantic() | |
| 26 | |
|
74
7e0d548de9e6
Switch Arrays of Dsymbols to the new templated Vector type
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
72
diff
changeset
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27 this(Loc loc, int isunion, Dsymbols decl) |
| 0 | 28 { |
| 178 | 29 register(); |
| 0 | 30 super(decl); |
| 31 this.loc = loc; | |
| 32 this.isunion = isunion; | |
| 33 } | |
| 34 | |
| 72 | 35 override Dsymbol syntaxCopy(Dsymbol s) |
| 0 | 36 { |
| 72 | 37 AnonDeclaration ad; |
| 38 | |
| 39 assert(!s); | |
| 40 ad = new AnonDeclaration(loc, isunion, Dsymbol.arraySyntaxCopy(decl)); | |
| 53 | 41 return ad; |
| 0 | 42 } |
| 43 | |
| 72 | 44 override void semantic(Scope sc) |
| 0 | 45 { |
| 46 //printf("\tAnonDeclaration::semantic %s %p\n", isunion ? "union" : "struct", this); | |
| 47 | |
| 48 Scope scx = null; | |
| 49 if (scope_) | |
| 50 { | |
| 51 sc = scope_; | |
| 52 scx = scope_; | |
| 53 scope_ = null; | |
| 54 } | |
| 179 | 55 |
| 56 uint dprogress_save = global.dprogress; | |
| 0 | 57 |
| 58 assert(sc.parent); | |
| 59 | |
| 60 Dsymbol parent = sc.parent.pastMixin(); | |
| 61 AggregateDeclaration ad = parent.isAggregateDeclaration(); | |
| 62 | |
| 63 if (!ad || (!ad.isStructDeclaration() && !ad.isClassDeclaration())) | |
| 64 { | |
| 65 error("can only be a part of an aggregate"); | |
| 66 return; | |
| 67 } | |
| 68 | |
| 69 if (decl) | |
| 70 { | |
| 71 AnonymousAggregateDeclaration aad = new AnonymousAggregateDeclaration(); | |
| 72 int adisunion; | |
| 73 | |
| 74 if (sc.anonAgg) | |
| 75 { | |
| 76 ad = sc.anonAgg; | |
| 77 adisunion = sc.inunion; | |
| 78 } | |
| 79 else | |
| 80 adisunion = ad.isUnionDeclaration() !is null; | |
| 81 | |
| 82 // printf("\tsc.anonAgg = %p\n", sc.anonAgg); | |
| 83 // printf("\tad = %p\n", ad); | |
| 84 // printf("\taad = %p\n", &aad); | |
| 85 | |
| 86 sc = sc.push(); | |
| 87 sc.anonAgg = aad; | |
| 88 sc.stc &= ~(STCauto | STCscope | STCstatic | STCtls | STCgshared); | |
| 89 sc.inunion = isunion; | |
| 90 sc.offset = 0; | |
| 91 sc.flags = cast(SCOPE)0; | |
| 92 aad.structalign = sc.structalign; | |
| 93 aad.parent = ad; | |
| 94 | |
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77
ad4792a1cfd6
more D-ification container accessing
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
74
diff
changeset
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95 foreach(Dsymbol s; decl) |
| 0 | 96 { |
| 97 s.semantic(sc); | |
| 98 if (isunion) | |
| 99 sc.offset = 0; | |
| 100 if (aad.sizeok == 2) | |
| 101 break; | |
| 102 } | |
| 103 sc = sc.pop(); | |
| 104 | |
| 105 // If failed due to forward references, unwind and try again later | |
| 106 if (aad.sizeok == 2) | |
| 107 { | |
| 108 ad.sizeok = 2; | |
| 109 //printf("\tsetting ad.sizeok %p to 2\n", ad); | |
| 110 if (!sc.anonAgg) | |
| 111 { | |
|
87
b17640f0e4e8
Fixed a bug with a Scope.this(Scope enclosing) being called instead of Scope.clone() method (as a copy ctor replacement)
korDen
parents:
79
diff
changeset
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112 scope_ = scx ? scx : sc.clone(); |
| 0 | 113 scope_.setNoFree(); |
| 114 scope_.module_.addDeferredSemantic(this); | |
| 115 } | |
| 179 | 116 global.dprogress = dprogress_save; |
| 0 | 117 //printf("\tforward reference %p\n", this); |
| 118 return; | |
| 119 } | |
| 120 if (sem == 0) | |
| 121 { | |
| 169 | 122 global.dprogress++; |
| 0 | 123 sem = 1; |
| 124 //printf("\tcompleted %p\n", this); | |
| 125 } | |
| 126 else { | |
| 127 ;//printf("\talready completed %p\n", this); | |
| 128 } | |
| 129 | |
| 130 // 0 sized structs are set to 1 byte | |
| 131 if (aad.structsize == 0) | |
| 132 { | |
| 133 aad.structsize = 1; | |
| 134 aad.alignsize = 1; | |
| 135 } | |
| 136 | |
| 137 // Align size of anonymous aggregate | |
| 138 //printf("aad.structalign = %d, aad.alignsize = %d, sc.offset = %d\n", aad.structalign, aad.alignsize, sc.offset); | |
| 139 ad.alignmember(aad.structalign, aad.alignsize, &sc.offset); | |
| 140 //ad.structsize = sc.offset; | |
| 141 //printf("sc.offset = %d\n", sc.offset); | |
| 142 | |
| 143 // Add members of aad to ad | |
| 144 //printf("\tadding members of aad to '%s'\n", ad.toChars()); | |
| 145 for (uint i = 0; i < aad.fields.dim; i++) | |
| 146 { | |
|
84
be2ab491772e
Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
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147 auto v = aad.fields[i]; |
| 0 | 148 |
| 149 v.offset += sc.offset; | |
| 79 | 150 ad.fields.push(v); |
| 0 | 151 } |
| 152 | |
| 153 // Add size of aad to ad | |
| 154 if (adisunion) | |
| 155 { | |
| 156 if (aad.structsize > ad.structsize) | |
| 157 ad.structsize = aad.structsize; | |
| 158 sc.offset = 0; | |
| 159 } | |
| 160 else | |
| 161 { | |
| 162 ad.structsize = sc.offset + aad.structsize; | |
| 163 sc.offset = ad.structsize; | |
| 164 } | |
| 165 | |
| 166 if (ad.alignsize < aad.alignsize) | |
| 167 ad.alignsize = aad.alignsize; | |
| 168 } | |
| 169 } | |
| 170 | |
| 72 | 171 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 172 { |
| 173 assert(false); | |
| 174 } | |
| 175 | |
| 72 | 176 override string kind() |
| 0 | 177 { |
| 178 assert(false); | |
| 179 } | |
| 180 } | |
| 181 |