Mercurial > projects > ddmd
annotate dmd/expression/Min.d @ 157:b7b61140701d
* added all missing default cases in switch statements
+ Lexer.getDocComment
+ Lexer.combineComments
| author | trass3r |
|---|---|
| date | Thu, 16 Sep 2010 01:34:10 +0200 |
| parents | e28b18c23469 |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.expression.Min; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Expression; |
| 5 import dmd.Type; | |
| 6 import dmd.Loc; | |
| 7 import dmd.RealExp; | |
| 8 import dmd.ComplexExp; | |
| 9 import dmd.IntegerExp; | |
| 10 import dmd.TOK; | |
| 11 import dmd.SymOffExp; | |
| 12 import dmd.Complex; | |
| 13 | |
| 14 Expression Min(Type type, Expression e1, Expression e2) | |
| 15 { | |
| 16 Expression e; | |
| 17 Loc loc = e1.loc; | |
| 18 | |
| 19 if (type.isreal()) | |
| 20 { | |
| 21 e = new RealExp(loc, e1.toReal() - e2.toReal(), type); | |
| 22 } | |
| 23 else if (type.isimaginary()) | |
| 24 { | |
| 25 e = new RealExp(loc, e1.toImaginary() - e2.toImaginary(), type); | |
| 26 } | |
| 27 else if (type.iscomplex()) | |
| 28 { | |
| 29 // This rigamarole is necessary so that -0.0 doesn't get | |
| 30 // converted to +0.0 by doing an extraneous add with +0.0 | |
| 31 Complex!(real) c1; | |
| 32 real r1; | |
| 33 real i1; | |
| 34 | |
| 35 Complex!(real) c2; | |
| 36 real r2; | |
| 37 real i2; | |
| 38 | |
| 39 Complex!(real) v; | |
| 40 int x; | |
| 41 | |
| 42 if (e1.type.isreal()) | |
| 43 { | |
| 44 r1 = e1.toReal(); | |
| 45 x = 0; | |
| 46 } | |
| 47 else if (e1.type.isimaginary()) | |
| 48 { | |
| 49 i1 = e1.toImaginary(); | |
| 50 x = 3; | |
| 51 } | |
| 52 else | |
| 53 { | |
| 54 c1 = e1.toComplex(); | |
| 55 x = 6; | |
| 56 } | |
| 57 | |
| 58 if (e2.type.isreal()) | |
| 59 { | |
| 60 r2 = e2.toReal(); | |
| 61 } | |
| 62 else if (e2.type.isimaginary()) | |
| 63 { | |
| 64 i2 = e2.toImaginary(); | |
| 65 x += 1; | |
| 66 } | |
| 67 else | |
| 68 { | |
| 69 c2 = e2.toComplex(); | |
| 70 x += 2; | |
| 71 } | |
| 72 | |
| 73 switch (x) | |
| 74 { | |
| 75 case 0+0: v = Complex!(real)(r1 - r2, 0); break; | |
| 76 case 0+1: v = Complex!(real)(r1, -i2); break; | |
| 77 case 0+2: v = Complex!(real)(r1 - c2.re, -c2.im); break; | |
| 78 case 3+0: v = Complex!(real)(-r2, i1); break; | |
| 79 case 3+1: v = Complex!(real)(0, i1 - i2); break; | |
| 80 case 3+2: v = Complex!(real)(c2.re, i1 - c2.im); break; | |
| 81 case 6+0: v = Complex!(real)(c1.re - r2, c1.im); break; | |
| 82 case 6+1: v = Complex!(real)(c1.re, c1.im - i2); break; | |
| 83 case 6+2: v = Complex!(real)(c1.re - c2.re, c1.im - c2.im); break; | |
|
157
b7b61140701d
* added all missing default cases in switch statements
trass3r
parents:
114
diff
changeset
|
84 default: |
| 0 | 85 } |
| 86 e = new ComplexExp(loc, v, type); | |
| 87 } | |
| 88 else if (e1.op == TOK.TOKsymoff) | |
| 89 { | |
| 90 SymOffExp soe = cast(SymOffExp)e1; | |
| 91 e = new SymOffExp(loc, soe.var, soe.offset - cast(uint)e2.toInteger()); | |
| 92 e.type = type; | |
| 93 } | |
| 94 else | |
| 95 { | |
| 96 e = new IntegerExp(loc, e1.toInteger() - e2.toInteger(), type); | |
| 97 } | |
| 98 return e; | |
| 99 } |