Mercurial > projects > ddmd
annotate dmd/XorExp.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 |
|---|---|
| 72 | 1 module dmd.XorExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.Expression; |
| 5 import dmd.Identifier; | |
| 6 import dmd.InterState; | |
| 0 | 7 import dmd.MATCH; |
| 72 | 8 import dmd.Id; |
| 9 import dmd.Type; | |
| 10 import dmd.OutBuffer; | |
| 11 import dmd.Loc; | |
| 12 import dmd.Scope; | |
| 13 import dmd.IntRange; | |
| 14 import dmd.IRState; | |
| 15 import dmd.ArrayTypes; | |
| 16 import dmd.BinExp; | |
| 0 | 17 import dmd.TOK; |
| 72 | 18 import dmd.TY; |
| 19 | |
| 20 import dmd.backend.elem; | |
| 67 | 21 import dmd.backend.OPER; |
| 0 | 22 import dmd.expression.Util; |
| 72 | 23 import dmd.expression.Xor; |
| 24 | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
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25 import dmd.DDMDExtensions; |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
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26 |
| 0 | 27 class XorExp : BinExp |
| 28 { | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
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29 mixin insertMemberExtension!(typeof(this)); |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
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30 |
| 0 | 31 this(Loc loc, Expression e1, Expression e2) |
| 32 { | |
| 178 | 33 register(); |
| 0 | 34 super(loc, TOK.TOKxor, XorExp.sizeof, e1, e2); |
| 35 } | |
| 36 | |
| 72 | 37 override Expression semantic(Scope sc) |
| 0 | 38 { |
| 39 Expression e; | |
| 40 | |
| 41 if (!type) | |
| 42 { | |
| 43 BinExp.semanticp(sc); | |
| 44 e = op_overload(sc); | |
| 45 if (e) | |
| 46 return e; | |
| 47 if (e1.type.toBasetype().ty == Tbool && | |
| 48 e2.type.toBasetype().ty == Tbool) | |
| 49 { | |
| 50 type = e1.type; | |
| 51 e = this; | |
| 52 } | |
| 53 else | |
| 54 { | |
| 55 typeCombine(sc); | |
| 109 | 56 if (!e1.isArrayOperand()) |
| 0 | 57 e1.checkIntegral(); |
| 109 | 58 if (!e2.isArrayOperand()) |
| 0 | 59 e2.checkIntegral(); |
| 60 } | |
| 61 } | |
| 62 return this; | |
| 63 } | |
| 64 | |
| 72 | 65 override Expression optimize(int result) |
| 0 | 66 { |
| 67 Expression e; | |
| 68 | |
| 69 e1 = e1.optimize(result); | |
| 70 e2 = e2.optimize(result); | |
| 71 if (e1.isConst() == 1 && e2.isConst() == 1) | |
| 72 e = Xor(type, e1, e2); | |
| 73 else | |
| 74 e = this; | |
| 75 | |
| 76 return e; | |
| 77 } | |
| 78 | |
| 72 | 79 override Expression interpret(InterState istate) |
| 0 | 80 { |
|
115
6caaf0256da1
+ interpretation of (non-assign) binary expressions
Trass3r
parents:
114
diff
changeset
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81 return interpretCommon(istate, &Xor); |
| 0 | 82 } |
| 83 | |
| 72 | 84 override void buildArrayIdent(OutBuffer buf, Expressions arguments) |
| 0 | 85 { |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
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86 Exp_buildArrayIdent(buf, arguments, "Xor"); |
| 0 | 87 } |
| 88 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
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89 override Expression buildArrayLoop(Parameters fparams) |
| 0 | 90 { |
| 123 | 91 return Exp_buildArrayLoop!(typeof(this))(fparams); |
| 0 | 92 } |
| 93 | |
| 72 | 94 override MATCH implicitConvTo(Type t) |
| 0 | 95 { |
| 72 | 96 MATCH result = Expression.implicitConvTo(t); |
| 97 | |
| 98 if (result == MATCHnomatch) | |
| 99 { | |
| 100 MATCH m1 = e1.implicitConvTo(t); | |
| 101 MATCH m2 = e2.implicitConvTo(t); | |
| 102 | |
| 103 // Pick the worst match | |
| 104 result = (m1 < m2) ? m1 : m2; | |
| 105 } | |
| 56 | 106 return result; |
| 0 | 107 } |
| 108 | |
| 72 | 109 override IntRange getIntRange() |
| 0 | 110 { |
| 111 assert(false); | |
| 112 } | |
| 113 | |
| 72 | 114 override bool isCommutative() |
| 0 | 115 { |
| 116 return true; | |
| 117 } | |
| 118 | |
| 72 | 119 override Identifier opId() |
| 0 | 120 { |
| 121 return Id.ixor; | |
| 122 } | |
| 123 | |
| 72 | 124 override Identifier opId_r() |
| 0 | 125 { |
| 126 return Id.ixor_r; | |
| 127 } | |
| 128 | |
| 72 | 129 override elem* toElem(IRState* irs) |
| 0 | 130 { |
| 67 | 131 return toElemBin(irs,OPxor); |
| 0 | 132 } |
| 133 } | |
| 134 |