Mercurial > projects > ddmd
annotate dmd/DivAssignExp.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 | e3afd1303184 |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.DivAssignExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.BinExp; |
| 5 import dmd.Loc; | |
| 6 import dmd.Expression; | |
| 7 import dmd.Scope; | |
| 8 import dmd.InterState; | |
| 9 import dmd.OutBuffer; | |
| 10 import dmd.ArrayTypes; | |
| 11 import dmd.Identifier; | |
| 12 import dmd.IRState; | |
| 13 import dmd.TOK; | |
| 14 import dmd.Type; | |
| 15 import dmd.TY; | |
| 16 import dmd.Id; | |
| 17 import dmd.CommaExp; | |
| 18 import dmd.RealExp; | |
| 19 import dmd.AssignExp; | |
|
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20 import dmd.ArrayLengthExp; |
| 0 | 21 |
| 22 import dmd.backend.elem; | |
| 23 import dmd.backend.OPER; | |
| 24 import dmd.backend.Util; | |
| 117 | 25 import dmd.expression.Div; |
| 0 | 26 import dmd.expression.Util; |
| 27 | |
|
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Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
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28 import dmd.DDMDExtensions; |
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b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
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29 |
| 0 | 30 class DivAssignExp : BinExp |
| 31 { | |
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Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
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32 mixin insertMemberExtension!(typeof(this)); |
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b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
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33 |
| 0 | 34 this(Loc loc, Expression e1, Expression e2) |
| 35 { | |
| 178 | 36 register(); |
| 0 | 37 super(loc, TOK.TOKdivass, DivAssignExp.sizeof, e1, e2); |
| 38 } | |
| 39 | |
| 72 | 40 override Expression semantic(Scope sc) |
| 0 | 41 { |
| 42 Expression e; | |
| 43 | |
| 44 BinExp.semantic(sc); | |
| 45 e2 = resolveProperties(sc, e2); | |
| 46 | |
| 47 e = op_overload(sc); | |
| 48 if (e) | |
| 49 return e; | |
| 50 | |
|
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parents:
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51 version(DMDV2) { |
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parents:
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52 if (e1.op == TOK.TOKarraylength) |
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parents:
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53 { |
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parents:
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54 e = ArrayLengthExp.rewriteOpAssign(this); |
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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55 e = e.semantic(sc); |
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dmdfe 2.037 first main iteration
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parents:
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56 return e; |
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60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
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diff
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57 } |
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60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
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58 } |
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60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
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59 |
| 0 | 60 if (e1.op == TOKslice) |
| 61 { // T[] -= ... | |
| 62 typeCombine(sc); | |
| 63 type = e1.type; | |
| 64 return arrayOp(sc); | |
| 65 } | |
| 66 | |
| 67 e1 = e1.modifiableLvalue(sc, e1); | |
| 68 e1.checkScalar(); | |
| 69 e1.checkNoBool(); | |
| 70 type = e1.type; | |
| 71 typeCombine(sc); | |
| 72 e1.checkArithmetic(); | |
| 73 e2.checkArithmetic(); | |
| 73 | 74 checkComplexMulAssign(); |
| 0 | 75 if (e2.type.isimaginary()) |
| 76 { | |
| 77 Type t1; | |
| 78 Type t2; | |
| 79 | |
| 80 t1 = e1.type; | |
| 81 if (t1.isreal()) | |
| 82 { | |
| 83 // x/iv = i(-x/v) | |
| 84 // Therefore, the result is 0 | |
| 85 e2 = new CommaExp(loc, e2, new RealExp(loc, 0, t1)); | |
| 86 e2.type = t1; | |
| 87 e = new AssignExp(loc, e1, e2); | |
| 88 e.type = t1; | |
| 89 return e; | |
| 90 } | |
| 91 else if (t1.isimaginary()) | |
| 92 { | |
| 93 Expression e3; | |
| 94 | |
| 95 switch (t1.ty) | |
| 96 { | |
| 97 case Timaginary32: t2 = Type.tfloat32; break; | |
| 98 case Timaginary64: t2 = Type.tfloat64; break; | |
| 99 case Timaginary80: t2 = Type.tfloat80; break; | |
| 100 default: | |
| 101 assert(0); | |
| 102 } | |
| 103 e2 = e2.castTo(sc, t2); | |
| 104 e3 = new AssignExp(loc, e1, e2); | |
| 105 e3.type = t1; | |
| 106 return e3; | |
| 107 } | |
| 108 } | |
| 109 return this; | |
| 110 } | |
| 111 | |
| 72 | 112 override Expression interpret(InterState istate) |
| 0 | 113 { |
| 117 | 114 return interpretAssignCommon(istate, &Div); |
| 0 | 115 } |
| 116 | |
| 72 | 117 override void buildArrayIdent(OutBuffer buf, Expressions arguments) |
| 0 | 118 { |
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*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
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119 AssignExp_buildArrayIdent(buf, arguments, "Div"); |
| 0 | 120 } |
| 121 | |
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parents:
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122 override Expression buildArrayLoop(Parameters fparams) |
| 0 | 123 { |
| 123 | 124 return AssignExp_buildArrayLoop!(typeof(this))(fparams); |
| 0 | 125 } |
| 126 | |
| 72 | 127 override Identifier opId() /* For operator overloading */ |
| 0 | 128 { |
| 129 return Id.divass; | |
| 130 } | |
| 131 | |
| 72 | 132 override elem* toElem(IRState* irs) |
| 0 | 133 { |
| 134 return toElemBin(irs,OPdivass); | |
| 135 } | |
| 72 | 136 } |