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comparison dmd/XorExp.d @ 0:10317f0c89a5

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Initial commit
author korDen
date Sat, 24 Oct 2009 08:42:06 +0400
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children 832f71e6f96c
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-1:000000000000 0:10317f0c89a5
1 module dmd.XorExp;
2
3 import dmd.Expression;
4 import dmd.Identifier;
5 import dmd.InterState;
6 import dmd.MATCH;
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;
16 import dmd.TOK;
17 import dmd.TY;
18
19 import dmd.backend.elem;
20 import dmd.expression.Util;
21 import dmd.expression.Xor;
22
23 class XorExp : BinExp
24 {
25 this(Loc loc, Expression e1, Expression e2)
26 {
27 super(loc, TOK.TOKxor, XorExp.sizeof, e1, e2);
28 }
29
30 Expression semantic(Scope sc)
31 {
32 Expression e;
33
34 if (!type)
35 {
36 BinExp.semanticp(sc);
37 e = op_overload(sc);
38 if (e)
39 return e;
40 if (e1.type.toBasetype().ty == Tbool &&
41 e2.type.toBasetype().ty == Tbool)
42 {
43 type = e1.type;
44 e = this;
45 }
46 else
47 {
48 typeCombine(sc);
49 if (e1.op != TOKslice && e2.op != TOKslice)
50 {
51 e1.checkIntegral();
52 e2.checkIntegral();
53 }
54 }
55 }
56 return this;
57 }
58
59 Expression optimize(int result)
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
73 Expression interpret(InterState* istate)
74 {
75 assert(false);
76 }
77
78 void buildArrayIdent(OutBuffer buf, Expressions arguments)
79 {
80 assert(false);
81 }
82
83 Expression buildArrayLoop(Arguments fparams)
84 {
85 assert(false);
86 }
87
88 MATCH implicitConvTo(Type t)
89 {
90 assert(false);
91 }
92
93 IntRange getIntRange()
94 {
95 assert(false);
96 }
97
98 bool isCommutative()
99 {
100 return true;
101 }
102
103 Identifier opId()
104 {
105 return Id.ixor;
106 }
107
108 Identifier opId_r()
109 {
110 return Id.ixor_r;
111 }
112
113 elem* toElem(IRState* irs)
114 {
115 assert(false);
116 }
117 }
118