Mercurial > projects > ddmd
annotate dmd/ModExp.d @ 115:6caaf0256da1
+ interpretation of (non-assign) binary expressions
+ BinExp.isunsigned
+ EqualExp.isBit
author | Trass3r |
---|---|
date | Thu, 02 Sep 2010 01:29:29 +0200 |
parents | e28b18c23469 |
children | 9e39c7de8438 |
rev | line source |
---|---|
72 | 1 module dmd.ModExp; |
2 | |
114 | 3 import dmd.common; |
72 | 4 import dmd.Expression; |
5 import dmd.Identifier; | |
6 import dmd.backend.elem; | |
7 import dmd.InterState; | |
8 import dmd.OutBuffer; | |
9 import dmd.Loc; | |
10 import dmd.Scope; | |
11 import dmd.IRState; | |
12 import dmd.ArrayTypes; | |
13 import dmd.BinExp; | |
0 | 14 import dmd.TOK; |
15 import dmd.Id; | |
16 import dmd.ErrorExp; | |
17 | |
18 import dmd.expression.Util; | |
19 import dmd.expression.Mod; | |
20 import dmd.backend.RTLSYM; | |
21 import dmd.backend.OPER; | |
72 | 22 import dmd.backend.Util; |
23 | |
0 | 24 class ModExp : BinExp |
25 { | |
26 this(Loc loc, Expression e1, Expression e2) | |
27 { | |
28 super(loc, TOK.TOKmod, ModExp.sizeof, e1, e2); | |
29 } | |
30 | |
72 | 31 override Expression semantic(Scope sc) |
0 | 32 { |
33 Expression e; | |
34 | |
35 if (type) | |
36 return this; | |
37 | |
38 BinExp.semanticp(sc); | |
39 e = op_overload(sc); | |
40 if (e) | |
41 return e; | |
42 | |
43 typeCombine(sc); | |
109 | 44 if (!e1.isArrayOperand()) |
0 | 45 e1.checkArithmetic(); |
109 | 46 if (!e2.isArrayOperand()) |
0 | 47 e2.checkArithmetic(); |
109 | 48 |
0 | 49 if (type.isfloating()) |
50 { | |
51 type = e1.type; | |
52 if (e2.type.iscomplex()) | |
53 { | |
54 error("cannot perform modulo complex arithmetic"); | |
55 return new ErrorExp(); | |
56 } | |
57 } | |
58 return this; | |
59 } | |
60 | |
72 | 61 override Expression optimize(int result) |
0 | 62 { |
63 Expression e; | |
64 | |
65 e1 = e1.optimize(result); | |
66 e2 = e2.optimize(result); | |
67 if (e1.isConst() == 1 && e2.isConst() == 1) | |
68 { | |
69 e = Mod(type, e1, e2); | |
70 } | |
71 else | |
72 e = this; | |
73 return e; | |
74 } | |
75 | |
72 | 76 override Expression interpret(InterState istate) |
0 | 77 { |
115
6caaf0256da1
+ interpretation of (non-assign) binary expressions
Trass3r
parents:
114
diff
changeset
|
78 return interpretCommon(istate, &Mod); |
0 | 79 } |
80 | |
72 | 81 override void buildArrayIdent(OutBuffer buf, Expressions arguments) |
0 | 82 { |
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
83 Exp_buildArrayIdent(buf, arguments, "Mod"); |
0 | 84 } |
85 | |
72 | 86 override Expression buildArrayLoop(Arguments fparams) |
0 | 87 { |
72 | 88 /* Evaluate assign expressions left to right |
89 */ | |
90 Expression ex1 = e1.buildArrayLoop(fparams); | |
91 Expression ex2 = e2.buildArrayLoop(fparams); | |
92 Expression e = new ModExp(Loc(0), ex1, ex2); | |
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
93 return e; |
0 | 94 } |
95 | |
72 | 96 override Identifier opId() |
0 | 97 { |
98 return Id.mod; | |
99 } | |
100 | |
72 | 101 override Identifier opId_r() |
0 | 102 { |
103 return Id.mod_r; | |
104 } | |
105 | |
72 | 106 override elem* toElem(IRState* irs) |
0 | 107 { |
108 elem* e; | |
109 elem* e1; | |
110 elem* e2; | |
111 tym_t tym; | |
112 | |
113 tym = type.totym(); | |
114 | |
115 e1 = this.e1.toElem(irs); | |
116 e2 = this.e2.toElem(irs); | |
117 | |
118 static if (false) { // Now inlined | |
119 if (this.e1.type.isfloating()) | |
120 { | |
121 elem* ep; | |
122 | |
123 switch (this.e1.type.ty) | |
124 { | |
125 case Tfloat32: | |
126 case Timaginary32: | |
127 e1 = el_una(OPf_d, TYdouble, e1); | |
128 e2 = el_una(OPf_d, TYdouble, e2); | |
129 case Tfloat64: | |
130 case Timaginary64: | |
131 e1 = el_una(OPd_ld, TYldouble, e1); | |
132 e2 = el_una(OPd_ld, TYldouble, e2); | |
133 break; | |
134 case Tfloat80: | |
135 case Timaginary80: | |
136 break; | |
137 default: | |
138 assert(0); | |
139 break; | |
140 } | |
141 ep = el_param(e2,e1); | |
142 e = el_bin(OPcall,tym,el_var(rtlsym[RTLSYM_MODULO]),ep); | |
143 } | |
144 else | |
145 { | |
146 e = el_bin(OPmod,tym,e1,e2); | |
147 el_setLoc(e,loc); | |
148 } | |
149 } else { | |
150 e = el_bin(OPmod,tym,e1,e2); | |
151 el_setLoc(e,loc); | |
152 } | |
153 return e; | |
154 } | |
155 } | |
156 |