Mercurial > projects > ddmd
annotate dmd/XorExp.d @ 109:ceda59b4d255
expression.c changes, now only ddoc should be left
| author | Trass3r |
|---|---|
| date | Tue, 31 Aug 2010 22:08:52 +0200 |
| parents | 2e2a5c3f943a |
| children | e28b18c23469 |
| rev | line source |
|---|---|
| 72 | 1 module dmd.XorExp; |
| 2 | |
| 3 import dmd.Expression; | |
| 4 import dmd.Identifier; | |
| 5 import dmd.InterState; | |
| 0 | 6 import dmd.MATCH; |
| 72 | 7 import dmd.Id; |
| 8 import dmd.Type; | |
| 9 import dmd.OutBuffer; | |
| 10 import dmd.Loc; | |
| 11 import dmd.Scope; | |
| 12 import dmd.IntRange; | |
| 13 import dmd.IRState; | |
| 14 import dmd.ArrayTypes; | |
| 15 import dmd.BinExp; | |
| 0 | 16 import dmd.TOK; |
| 72 | 17 import dmd.TY; |
| 18 | |
| 19 import dmd.backend.elem; | |
| 67 | 20 import dmd.backend.OPER; |
| 0 | 21 import dmd.expression.Util; |
| 72 | 22 import dmd.expression.Xor; |
| 23 | |
| 0 | 24 class XorExp : BinExp |
| 25 { | |
| 26 this(Loc loc, Expression e1, Expression e2) | |
| 27 { | |
| 28 super(loc, TOK.TOKxor, XorExp.sizeof, e1, e2); | |
| 29 } | |
| 30 | |
| 72 | 31 override Expression semantic(Scope sc) |
| 0 | 32 { |
| 33 Expression e; | |
| 34 | |
| 35 if (!type) | |
| 36 { | |
| 37 BinExp.semanticp(sc); | |
| 38 e = op_overload(sc); | |
| 39 if (e) | |
| 40 return e; | |
| 41 if (e1.type.toBasetype().ty == Tbool && | |
| 42 e2.type.toBasetype().ty == Tbool) | |
| 43 { | |
| 44 type = e1.type; | |
| 45 e = this; | |
| 46 } | |
| 47 else | |
| 48 { | |
| 49 typeCombine(sc); | |
| 109 | 50 if (!e1.isArrayOperand()) |
| 0 | 51 e1.checkIntegral(); |
| 109 | 52 if (!e2.isArrayOperand()) |
| 0 | 53 e2.checkIntegral(); |
| 54 } | |
| 55 } | |
| 56 return this; | |
| 57 } | |
| 58 | |
| 72 | 59 override Expression optimize(int result) |
| 0 | 60 { |
| 61 Expression e; | |
| 62 | |
| 63 e1 = e1.optimize(result); | |
| 64 e2 = e2.optimize(result); | |
| 65 if (e1.isConst() == 1 && e2.isConst() == 1) | |
| 66 e = Xor(type, e1, e2); | |
| 67 else | |
| 68 e = this; | |
| 69 | |
| 70 return e; | |
| 71 } | |
| 72 | |
| 72 | 73 override Expression interpret(InterState istate) |
| 0 | 74 { |
| 75 assert(false); | |
| 76 } | |
| 77 | |
| 72 | 78 override void buildArrayIdent(OutBuffer buf, Expressions arguments) |
| 0 | 79 { |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
80 Exp_buildArrayIdent(buf, arguments, "Xor"); |
| 0 | 81 } |
| 82 | |
| 72 | 83 override Expression buildArrayLoop(Arguments fparams) |
| 0 | 84 { |
| 72 | 85 /* Evaluate assign expressions left to right |
| 86 */ | |
| 87 Expression ex1 = e1.buildArrayLoop(fparams); | |
| 88 Expression ex2 = e2.buildArrayLoop(fparams); | |
| 89 Expression e = new XorExp(Loc(0), ex1, ex2); | |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
90 return e; |
| 0 | 91 } |
| 92 | |
| 72 | 93 override MATCH implicitConvTo(Type t) |
| 0 | 94 { |
| 72 | 95 MATCH result = Expression.implicitConvTo(t); |
| 96 | |
| 97 if (result == MATCHnomatch) | |
| 98 { | |
| 99 MATCH m1 = e1.implicitConvTo(t); | |
| 100 MATCH m2 = e2.implicitConvTo(t); | |
| 101 | |
| 102 // Pick the worst match | |
| 103 result = (m1 < m2) ? m1 : m2; | |
| 104 } | |
| 56 | 105 return result; |
| 0 | 106 } |
| 107 | |
| 72 | 108 override IntRange getIntRange() |
| 0 | 109 { |
| 110 assert(false); | |
| 111 } | |
| 112 | |
| 72 | 113 override bool isCommutative() |
| 0 | 114 { |
| 115 return true; | |
| 116 } | |
| 117 | |
| 72 | 118 override Identifier opId() |
| 0 | 119 { |
| 120 return Id.ixor; | |
| 121 } | |
| 122 | |
| 72 | 123 override Identifier opId_r() |
| 0 | 124 { |
| 125 return Id.ixor_r; | |
| 126 } | |
| 127 | |
| 72 | 128 override elem* toElem(IRState* irs) |
| 0 | 129 { |
| 67 | 130 return toElemBin(irs,OPxor); |
| 0 | 131 } |
| 132 } | |
| 133 |