Mercurial > projects > ddmd
annotate dmd/AddAssignExp.d @ 187:b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
| author | Abscissa |
|---|---|
| date | Tue, 07 Jun 2011 23:37:34 -0400 |
| parents | e3afd1303184 |
| children |
| rev | line source |
|---|---|
| 0 | 1 module dmd.AddAssignExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 117 | 4 import dmd.expression.Add; |
| 0 | 5 import dmd.BinExp; |
| 6 import dmd.Loc; | |
| 7 import dmd.Expression; | |
| 8 import dmd.Scope; | |
| 9 import dmd.InterState; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
10 import dmd.Parameter; |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
11 import dmd.STC; |
| 0 | 12 import dmd.OutBuffer; |
| 13 import dmd.ArrayTypes; | |
| 14 import dmd.Identifier; | |
| 15 import dmd.IRState; | |
| 16 import dmd.TOK; | |
| 17 import dmd.Type; | |
| 18 import dmd.TY; | |
| 19 import dmd.AddExp; | |
| 20 import dmd.CastExp; | |
| 21 import dmd.AssignExp; | |
| 22 import dmd.Global; | |
| 23 import dmd.Id; | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
24 import dmd.ArrayLengthExp; |
| 0 | 25 |
| 26 import dmd.backend.OPER; | |
| 27 import dmd.backend.elem; | |
| 28 | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
29 import dmd.DDMDExtensions; |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
30 |
| 0 | 31 class AddAssignExp : BinExp |
| 32 { | |
|
187
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
33 mixin insertMemberExtension!(typeof(this)); |
|
b0d41ff5e0df
Added expandability scheme outlined in http://www.dsource.org/forums/viewtopic.php?t=5659&sid=6f2150ff5b0bffcd47512a6a7608d218
Abscissa
parents:
178
diff
changeset
|
34 |
| 0 | 35 this(Loc loc, Expression e1, Expression e2) |
| 36 { | |
| 178 | 37 register(); |
| 0 | 38 super(loc, TOK.TOKaddass, AddAssignExp.sizeof, e1, e2); |
| 39 } | |
| 40 | |
| 72 | 41 override Expression semantic(Scope sc) |
| 0 | 42 { |
| 43 Expression e; | |
| 44 | |
| 45 if (type) | |
| 46 return this; | |
| 47 | |
| 48 BinExp.semantic(sc); | |
| 49 e2 = resolveProperties(sc, e2); | |
| 50 | |
| 51 e = op_overload(sc); | |
| 52 if (e) | |
| 53 return e; | |
| 54 | |
| 55 Type tb1 = e1.type.toBasetype(); | |
| 56 Type tb2 = e2.type.toBasetype(); | |
| 57 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
58 if (e1.op == TOKarraylength) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
59 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
60 e = ArrayLengthExp.rewriteOpAssign(this); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
61 e = e.semantic(sc); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
62 return e; |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
63 } |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
64 |
| 0 | 65 if (e1.op == TOK.TOKslice) |
| 66 { | |
| 67 typeCombine(sc); | |
| 68 type = e1.type; | |
| 69 return arrayOp(sc); | |
| 70 } | |
| 71 else | |
| 72 { | |
| 73 e1 = e1.modifiableLvalue(sc, e1); | |
| 74 } | |
| 75 | |
| 76 if ((tb1.ty == TY.Tarray || tb1.ty == TY.Tsarray) && (tb2.ty == TY.Tarray || tb2.ty == TY.Tsarray) && tb1.nextOf().equals(tb2.nextOf())) | |
| 77 { | |
| 78 type = e1.type; | |
| 79 typeCombine(sc); | |
| 80 e = this; | |
| 81 } | |
| 82 else | |
| 83 { | |
| 84 e1.checkScalar(); | |
| 85 e1.checkNoBool(); | |
| 86 if (tb1.ty == TY.Tpointer && tb2.isintegral()) | |
| 87 e = scaleFactor(sc); | |
| 88 else if (tb1.ty == TY.Tbit || tb1.ty == TY.Tbool) | |
| 89 { | |
| 90 static if (false) { | |
| 91 // Need to rethink this | |
| 92 if (e1.op != TOK.TOKvar) | |
| 93 { | |
| 94 // Rewrite e1+=e2 to (v=&e1),*v=*v+e2 | |
| 95 VarDeclaration v; | |
| 96 Expression ea; | |
| 97 Expression ex; | |
| 98 | |
| 99 Identifier id = Lexer.uniqueId("__name"); | |
| 100 | |
| 101 v = new VarDeclaration(loc, tb1.pointerTo(), id, null); | |
| 102 v.semantic(sc); | |
| 103 if (!sc.insert(v)) | |
| 104 assert(0); | |
| 105 | |
| 106 v.parent = sc.func; | |
| 107 | |
| 108 ea = new AddrExp(loc, e1); | |
| 109 ea = new AssignExp(loc, new VarExp(loc, v), ea); | |
| 110 | |
| 111 ex = new VarExp(loc, v); | |
| 112 ex = new PtrExp(loc, ex); | |
| 113 e = new AddExp(loc, ex, e2); | |
| 114 e = new CastExp(loc, e, e1.type); | |
| 115 e = new AssignExp(loc, ex.syntaxCopy(), e); | |
| 116 | |
| 117 e = new CommaExp(loc, ea, e); | |
| 118 } | |
| 119 else | |
| 120 { | |
| 121 // Rewrite e1+=e2 to e1=e1+e2 | |
| 122 // BUG: doesn't account for side effects in e1 | |
| 123 // BUG: other assignment operators for bits aren't handled at all | |
| 124 e = new AddExp(loc, e1, e2); | |
| 125 e = new CastExp(loc, e, e1.type); | |
| 126 e = new AssignExp(loc, e1.syntaxCopy(), e); | |
| 127 } | |
| 128 } else { | |
| 129 // Rewrite e1+=e2 to e1=e1+e2 | |
| 130 // BUG: doesn't account for side effects in e1 | |
| 131 // BUG: other assignment operators for bits aren't handled at all | |
| 132 e = new AddExp(loc, e1, e2); | |
| 133 e = new CastExp(loc, e, e1.type); | |
| 134 e = new AssignExp(loc, e1.syntaxCopy(), e); | |
| 135 } | |
| 136 e = e.semantic(sc); | |
| 137 } | |
| 138 else | |
| 139 { | |
| 140 type = e1.type; | |
| 141 typeCombine(sc); | |
| 142 e1.checkArithmetic(); | |
| 143 e2.checkArithmetic(); | |
| 73 | 144 checkComplexAddAssign(); |
| 0 | 145 |
| 146 if (type.isreal() || type.isimaginary()) | |
| 147 { | |
| 148 assert(global.errors || e2.type.isfloating()); | |
| 149 e2 = e2.castTo(sc, e1.type); | |
| 150 } | |
| 151 e = this; | |
| 152 } | |
| 153 } | |
| 154 return e; | |
| 155 } | |
| 156 | |
| 72 | 157 override Expression interpret(InterState istate) |
| 0 | 158 { |
| 117 | 159 return interpretAssignCommon(istate, &Add); |
| 0 | 160 } |
| 161 | |
| 72 | 162 override void buildArrayIdent(OutBuffer buf, Expressions arguments) |
| 0 | 163 { |
|
12
832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
0
diff
changeset
|
164 AssignExp_buildArrayIdent(buf, arguments, "Add"); |
| 0 | 165 } |
| 166 | |
|
130
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
123
diff
changeset
|
167 override Expression buildArrayLoop(Parameters fparams) |
| 0 | 168 { |
| 123 | 169 return AssignExp_buildArrayLoop!(typeof(this))(fparams); |
| 0 | 170 } |
| 171 | |
| 72 | 172 override Identifier opId() /* For operator overloading */ |
| 0 | 173 { |
| 174 return Id.addass; | |
| 175 } | |
| 176 | |
| 72 | 177 override elem* toElem(IRState* irs) |
| 0 | 178 { |
| 179 //printf("AddAssignExp::toElem() %s\n", toChars()); | |
| 180 elem *e; | |
| 181 Type tb1 = e1.type.toBasetype(); | |
| 182 Type tb2 = e2.type.toBasetype(); | |
| 183 | |
| 184 if ((tb1.ty == TY.Tarray || tb1.ty == TY.Tsarray) && (tb2.ty == TY.Tarray || tb2.ty == TY.Tsarray)) | |
| 185 { | |
| 186 error("Array operations not implemented"); | |
| 187 } | |
| 188 else | |
| 189 e = toElemBin(irs, OPER.OPaddass); | |
| 190 | |
| 191 return e; | |
| 192 } | |
| 72 | 193 } |