Mercurial > projects > ddmd
annotate dmd/OrExp.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.OrExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.Expression; |
| 5 import dmd.Identifier; | |
| 6 import dmd.InterState; | |
| 7 import dmd.MATCH; | |
| 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; |
| 17 import dmd.TY; | |
| 72 | 18 import dmd.Id; |
| 19 | |
| 0 | 20 import dmd.backend.elem; |
| 21 import dmd.backend.OPER; | |
| 22 | |
| 72 | 23 import dmd.expression.Or; |
| 24 | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
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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
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26 |
| 0 | 27 class OrExp : BinExp |
| 28 { | |
|
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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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29 mixin insertMemberExtension!(typeof(this)); |
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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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30 |
| 0 | 31 this(Loc loc, Expression e1, Expression e2) |
| 32 { | |
| 178 | 33 register(); |
| 0 | 34 super(loc, TOK.TOKor, OrExp.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 | |
| 46 if (e) | |
| 47 return e; | |
| 48 | |
| 49 if (e1.type.toBasetype().ty == TY.Tbool && e2.type.toBasetype().ty == TY.Tbool) | |
| 50 { | |
| 51 type = e1.type; | |
| 52 e = this; | |
| 53 } | |
| 54 else | |
| 55 { | |
| 56 typeCombine(sc); | |
| 109 | 57 if (!e1.isArrayOperand()) |
| 0 | 58 e1.checkIntegral(); |
| 109 | 59 if (!e2.isArrayOperand()) |
| 0 | 60 e2.checkIntegral(); |
| 61 } | |
| 62 } | |
| 63 | |
| 64 return this; | |
| 65 } | |
| 66 | |
| 72 | 67 override Expression optimize(int result) |
| 0 | 68 { |
| 69 Expression e; | |
| 70 | |
| 71 e1 = e1.optimize(result); | |
| 72 e2 = e2.optimize(result); | |
| 73 | |
| 74 if (e1.isConst() == 1 && e2.isConst() == 1) | |
| 75 e = Or(type, e1, e2); | |
| 76 else | |
| 77 e = this; | |
| 78 | |
| 79 return e; | |
| 80 } | |
| 81 | |
| 72 | 82 override Expression interpret(InterState istate) |
| 0 | 83 { |
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+ interpretation of (non-assign) binary expressions
Trass3r
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84 return interpretCommon(istate, &Or); |
| 0 | 85 } |
| 86 | |
| 72 | 87 override void buildArrayIdent(OutBuffer buf, Expressions arguments) |
| 0 | 88 { |
| 123 | 89 Exp_buildArrayIdent(buf, arguments, "Or"); |
| 0 | 90 } |
| 91 | |
|
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dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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92 override Expression buildArrayLoop(Parameters fparams) |
| 0 | 93 { |
| 123 | 94 return Exp_buildArrayLoop!(typeof(this))(fparams); |
| 0 | 95 } |
| 96 | |
| 72 | 97 override MATCH implicitConvTo(Type t) |
| 0 | 98 { |
| 99 MATCH result = Expression.implicitConvTo(t); | |
| 100 | |
| 101 if (result == MATCH.MATCHnomatch) | |
| 102 { | |
| 103 MATCH m1 = e1.implicitConvTo(t); | |
| 104 MATCH m2 = e2.implicitConvTo(t); | |
| 105 | |
| 106 // Pick the worst match | |
| 107 result = (m1 < m2) ? m1 : m2; | |
| 108 } | |
| 109 | |
| 110 return result; | |
| 111 } | |
| 112 | |
| 72 | 113 override IntRange getIntRange() |
| 0 | 114 { |
| 72 | 115 IntRange ir; |
| 116 IntRange ir1 = e1.getIntRange(); | |
| 117 IntRange ir2 = e2.getIntRange(); | |
| 118 | |
| 119 ir.imin = ir1.imin; | |
| 120 if (ir2.imin < ir.imin) | |
| 121 ir.imin = ir2.imin; | |
| 122 | |
| 123 ir.imax = ir1.imax; | |
| 124 if (ir2.imax > ir.imax) | |
| 125 ir.imax = ir2.imax; | |
| 126 | |
| 127 ir.imin &= type.sizemask(); | |
| 128 ir.imax &= type.sizemask(); | |
| 129 | |
| 130 //printf("OrExp: imin = x%llx, imax = x%llx\n", ir.imin, ir.imax); | |
| 131 //e1.dump(0); | |
| 132 | |
| 53 | 133 return ir; |
| 0 | 134 } |
| 135 | |
| 72 | 136 override bool isCommutative() |
| 0 | 137 { |
| 138 return true; | |
| 139 } | |
| 140 | |
| 72 | 141 override Identifier opId() |
| 0 | 142 { |
| 143 return Id.ior; | |
| 144 } | |
| 145 | |
| 72 | 146 override Identifier opId_r() |
| 0 | 147 { |
| 148 return Id.ior_r; | |
| 149 } | |
| 150 | |
| 72 | 151 override elem* toElem(IRState* irs) |
| 0 | 152 { |
| 153 return toElemBin(irs, OPER.OPor); | |
| 154 } | |
| 155 } | |
| 156 |