Mercurial > projects > ddmd
annotate dmd/AndExp.d @ 63:cab4c37afb89
A bunch of implementations
author | korDen |
---|---|
date | Mon, 23 Aug 2010 16:52:24 +0400 |
parents | a8b50ff7f201 |
children | 2e2a5c3f943a |
rev | line source |
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0 | 1 module dmd.AndExp; |
2 | |
3 import dmd.Expression; | |
4 import dmd.Identifier; | |
5 import dmd.InterState; | |
6 import dmd.OutBuffer; | |
7 import dmd.Loc; | |
8 import dmd.Scope; | |
9 import dmd.IntRange; | |
10 import dmd.IRState; | |
11 import dmd.BinExp; | |
12 import dmd.TOK; | |
13 import dmd.ArrayTypes; | |
14 import dmd.TY; | |
15 import dmd.Type; | |
16 import dmd.Id; | |
17 import dmd.Global; | |
18 | |
19 import dmd.backend.elem; | |
20 import dmd.backend.Util; | |
21 import dmd.backend.OPER; | |
22 import dmd.expression.Util; | |
23 import dmd.expression.And; | |
24 | |
25 class AndExp : BinExp | |
26 { | |
27 this(Loc loc, Expression e1, Expression e2) | |
28 { | |
29 super(loc, TOK.TOKand, AndExp.sizeof, e1, e2); | |
30 } | |
31 | |
32 Expression semantic(Scope sc) | |
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); | |
52 if (e1.op != TOK.TOKslice && e2.op != TOK.TOKslice) | |
53 { | |
54 e1.checkIntegral(); | |
55 e2.checkIntegral(); | |
56 } | |
57 } | |
58 } | |
59 return this; | |
60 } | |
61 | |
62 Expression optimize(int result) | |
63 { | |
64 Expression e; | |
65 | |
66 e1 = e1.optimize(result); | |
67 e2 = e2.optimize(result); | |
68 if (e1.isConst() == 1 && e2.isConst() == 1) | |
69 e = And(type, e1, e2); | |
70 else | |
71 e = this; | |
72 | |
73 return e; | |
74 } | |
75 | |
63 | 76 Expression interpret(InterState istate) |
0 | 77 { |
78 assert(false); | |
79 } | |
80 | |
81 void buildArrayIdent(OutBuffer buf, Expressions arguments) | |
82 { | |
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
83 Exp_buildArrayIdent(buf, arguments, "And"); |
0 | 84 } |
85 | |
86 Expression buildArrayLoop(Arguments fparams) | |
87 { | |
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
88 /* Evaluate assign expressions left to right |
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
89 */ |
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
90 Expression ex1 = e1.buildArrayLoop(fparams); |
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
91 Expression ex2 = e2.buildArrayLoop(fparams); |
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
92 Expression e = new AndExp(Loc(0), ex1, ex2); |
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
93 return e; |
0 | 94 } |
95 | |
96 IntRange getIntRange() | |
97 { | |
53 | 98 IntRange ir; |
99 IntRange ir1 = e1.getIntRange(); | |
100 IntRange ir2 = e2.getIntRange(); | |
101 | |
102 ir.imin = ir1.imin; | |
103 if (ir2.imin < ir.imin) | |
104 ir.imin = ir2.imin; | |
105 | |
106 ir.imax = ir1.imax; | |
107 if (ir2.imax > ir.imax) | |
108 ir.imax = ir2.imax; | |
109 | |
110 ulong u; | |
111 | |
112 u = getMask(ir1.imax); | |
113 ir.imin &= u; | |
114 ir.imax &= u; | |
115 | |
116 u = getMask(ir2.imax); | |
117 ir.imin &= u; | |
118 ir.imax &= u; | |
119 | |
120 ir.imin &= type.sizemask(); | |
121 ir.imax &= type.sizemask(); | |
122 | |
123 //printf("AndExp: imin = x%llx, imax = x%llx\n", ir.imin, ir.imax); | |
124 //e1.dump(0); | |
125 | |
126 return ir; | |
0 | 127 } |
128 | |
129 bool isCommutative() | |
130 { | |
131 return true; | |
132 } | |
133 | |
134 Identifier opId() | |
135 { | |
136 return Id.iand; | |
137 } | |
138 | |
139 Identifier opId_r() | |
140 { | |
141 return Id.iand_r; | |
142 } | |
143 | |
144 elem* toElem(IRState* irs) | |
145 { | |
146 return toElemBin(irs, OPER.OPand); | |
147 } | |
148 } | |
149 |