Mercurial > projects > ddmd

annotate dmd/ArrayLengthExp.d @ 173:d237b38b5858

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Small changes
author korDen
date Sun, 10 Oct 2010 01:55:35 +0400
parents 438eaa11eed4
children af724d3510d7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
1 module dmd.ArrayLengthExp;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
2
114
e28b18c23469 added a module dmd.common for commonly used stuff
Trass3r
parents: 72
diff changeset
3 import dmd.common;
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
4 import dmd.Expression;
162
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
5 import dmd.GlobalExpressions;
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
6 import dmd.IntegerExp;
130
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
7 import dmd.BinExp;
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
8 import dmd.backend.elem;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
9 import dmd.UnaExp;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
10 import dmd.InterState;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
11 import dmd.OutBuffer;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
12 import dmd.Loc;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
13 import dmd.Scope;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
14 import dmd.IRState;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
15 import dmd.HdrGenState;
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
16 import dmd.TOK;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
17 import dmd.Type;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
18 import dmd.WANT;
130
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
19 import dmd.VarExp;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
20 import dmd.VarDeclaration;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
21 import dmd.PtrExp;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
22 import dmd.Lexer;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
23 import dmd.Identifier;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
24 import dmd.ExpInitializer;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
25 import dmd.DeclarationExp;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
26 import dmd.CommaExp;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
27 import dmd.AssignExp;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
28 import dmd.AddrExp;
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
29
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
30 import dmd.expression.ArrayLength;
173
d237b38b5858 Small changes
korDen
parents: 162
diff changeset
31 import dmd.expression.Util;
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
32
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
33 import dmd.backend.Util;
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
34 import dmd.backend.OPER;
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
35
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
36 class ArrayLengthExp : UnaExp
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
37 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
38 this(Loc loc, Expression e1)
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
39 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
40 super(loc, TOK.TOKarraylength, ArrayLengthExp.sizeof, e1);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
41 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
42
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
43 override Expression semantic(Scope sc)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
44 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
45 version (LOGSEMANTIC) {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
46 printf("ArrayLengthExp::semantic('%s')\n", toChars());
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
47 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
48 if (!type)
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
49 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
50 UnaExp.semantic(sc);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
51 e1 = resolveProperties(sc, e1);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
52
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
53 type = Type.tsize_t;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
54 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
55 return this;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
56 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
57
130
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
58 static Expression rewriteOpAssign(BinExp exp)
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
59 {
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
60 Expression e;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
61
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
62 assert(exp.e1.op == TOKarraylength);
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
63 auto ale = cast(ArrayLengthExp)exp.e1;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
64 if (ale.e1.op == TOK.TOKvar)
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
65 {
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
66 e = opAssignToOp(exp.loc, exp.op, ale, exp.e2);
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
67 e = new AssignExp(exp.loc, ale.syntaxCopy(), e);
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
68 }
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
69 else
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
70 {
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
71 /* auto tmp = &array;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
72 * (*tmp).length = (*tmp).length op e2
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
73 */
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
74 Identifier id = Lexer.uniqueId("__arraylength");
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
75 ExpInitializer ei = new ExpInitializer(ale.loc, new AddrExp(ale.loc, ale.e1));
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
76 VarDeclaration tmp = new VarDeclaration(ale.loc, ale.e1.type.pointerTo(), id, ei);
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
77
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
78 Expression e1 = new ArrayLengthExp(ale.loc, new PtrExp(ale.loc, new VarExp(ale.loc, tmp)));
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
79 Expression elvalue = e1.syntaxCopy();
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
80 e = opAssignToOp(exp.loc, exp.op, e1, exp.e2);
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
81 e = new AssignExp(exp.loc, elvalue, e);
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
82 e = new CommaExp(exp.loc, new DeclarationExp(ale.loc, tmp), e);
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
83 }
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
84 return e;
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
85 }
60bb0fe4563e dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents: 114
diff changeset
86
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
87 override Expression optimize(int result)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
88 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
89 //printf("ArrayLengthExp::optimize(result = %d) %s\n", result, toChars());
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
90 e1 = e1.optimize(WANTvalue | (result & WANTinterpret));
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
91 Expression e = this;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
92 if (e1.op == TOKstring || e1.op == TOKarrayliteral || e1.op == TOKassocarrayliteral)
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
93 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
94 e = ArrayLength(type, e1);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
95 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
96 return e;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
97 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
98
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
99 override Expression interpret(InterState istate)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
100 {
162
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
101 Expression e;
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
102 Expression e1;
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
103
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
104 version (LOG) {
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
105 printf("ArrayLengthExp.interpret() %s\n", toChars());
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
106 }
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
107 e1 = this.e1.interpret(istate);
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
108 if (e1 is EXP_CANT_INTERPRET)
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
109 goto Lcant;
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
110 if (e1.op == TOKstring || e1.op == TOKarrayliteral || e1.op == TOKassocarrayliteral)
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
111 {
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
112 e = ArrayLength(type, e1);
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
113 }
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
114 else if (e1.op == TOKnull)
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
115 {
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
116 e = new IntegerExp(loc, 0, type);
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
117 }
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
118 else
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
119 goto Lcant;
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
120 return e;
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
121
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
122 Lcant:
438eaa11eed4 updated build script to use dmd2.039
korDen
parents: 130
diff changeset
123 return EXP_CANT_INTERPRET;
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
124 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
125
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
126 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
127 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
128 assert(false);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
129 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
130
72
2e2a5c3f943a reduced warnings by adding override to the methods
Trass3r
parents: 63
diff changeset
131 override elem* toElem(IRState* irs)
0
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
132 {
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
133 elem *e = e1.toElem(irs);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
134 e = el_una(OP64_32, type.totym(), e);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
135 el_setLoc(e,loc);
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
136 return e;
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
137 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
138 }
10317f0c89a5 Initial commit
korDen
parents:
diff changeset
139