Mercurial > projects > ddmd
annotate dmd/OrExp.d @ 130:60bb0fe4563e
dmdfe 2.037 first main iteration
author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
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date | Thu, 09 Sep 2010 22:51:44 +0100 |
parents | 9e39c7de8438 |
children | e3afd1303184 |
rev | line source |
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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 | |
0 | 25 class OrExp : BinExp |
26 { | |
27 this(Loc loc, Expression e1, Expression e2) | |
28 { | |
29 super(loc, TOK.TOKor, OrExp.sizeof, e1, e2); | |
30 } | |
31 | |
72 | 32 override Expression semantic(Scope sc) |
0 | 33 { |
34 Expression e; | |
35 | |
36 if (!type) | |
37 { | |
38 BinExp.semanticp(sc); | |
39 e = op_overload(sc); | |
40 | |
41 if (e) | |
42 return e; | |
43 | |
44 if (e1.type.toBasetype().ty == TY.Tbool && e2.type.toBasetype().ty == TY.Tbool) | |
45 { | |
46 type = e1.type; | |
47 e = this; | |
48 } | |
49 else | |
50 { | |
51 typeCombine(sc); | |
109 | 52 if (!e1.isArrayOperand()) |
0 | 53 e1.checkIntegral(); |
109 | 54 if (!e2.isArrayOperand()) |
0 | 55 e2.checkIntegral(); |
56 } | |
57 } | |
58 | |
59 return this; | |
60 } | |
61 | |
72 | 62 override Expression optimize(int result) |
0 | 63 { |
64 Expression e; | |
65 | |
66 e1 = e1.optimize(result); | |
67 e2 = e2.optimize(result); | |
68 | |
69 if (e1.isConst() == 1 && e2.isConst() == 1) | |
70 e = Or(type, e1, e2); | |
71 else | |
72 e = this; | |
73 | |
74 return e; | |
75 } | |
76 | |
72 | 77 override Expression interpret(InterState istate) |
0 | 78 { |
115
6caaf0256da1
+ interpretation of (non-assign) binary expressions
Trass3r
parents:
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changeset
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79 return interpretCommon(istate, &Or); |
0 | 80 } |
81 | |
72 | 82 override void buildArrayIdent(OutBuffer buf, Expressions arguments) |
0 | 83 { |
123 | 84 Exp_buildArrayIdent(buf, arguments, "Or"); |
0 | 85 } |
86 | |
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
87 override Expression buildArrayLoop(Parameters fparams) |
0 | 88 { |
123 | 89 return Exp_buildArrayLoop!(typeof(this))(fparams); |
0 | 90 } |
91 | |
72 | 92 override MATCH implicitConvTo(Type t) |
0 | 93 { |
94 MATCH result = Expression.implicitConvTo(t); | |
95 | |
96 if (result == MATCH.MATCHnomatch) | |
97 { | |
98 MATCH m1 = e1.implicitConvTo(t); | |
99 MATCH m2 = e2.implicitConvTo(t); | |
100 | |
101 // Pick the worst match | |
102 result = (m1 < m2) ? m1 : m2; | |
103 } | |
104 | |
105 return result; | |
106 } | |
107 | |
72 | 108 override IntRange getIntRange() |
0 | 109 { |
72 | 110 IntRange ir; |
111 IntRange ir1 = e1.getIntRange(); | |
112 IntRange ir2 = e2.getIntRange(); | |
113 | |
114 ir.imin = ir1.imin; | |
115 if (ir2.imin < ir.imin) | |
116 ir.imin = ir2.imin; | |
117 | |
118 ir.imax = ir1.imax; | |
119 if (ir2.imax > ir.imax) | |
120 ir.imax = ir2.imax; | |
121 | |
122 ir.imin &= type.sizemask(); | |
123 ir.imax &= type.sizemask(); | |
124 | |
125 //printf("OrExp: imin = x%llx, imax = x%llx\n", ir.imin, ir.imax); | |
126 //e1.dump(0); | |
127 | |
53 | 128 return ir; |
0 | 129 } |
130 | |
72 | 131 override bool isCommutative() |
0 | 132 { |
133 return true; | |
134 } | |
135 | |
72 | 136 override Identifier opId() |
0 | 137 { |
138 return Id.ior; | |
139 } | |
140 | |
72 | 141 override Identifier opId_r() |
0 | 142 { |
143 return Id.ior_r; | |
144 } | |
145 | |
72 | 146 override elem* toElem(IRState* irs) |
0 | 147 { |
148 return toElemBin(irs, OPER.OPor); | |
149 } | |
150 } | |
151 |