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comparison dmd/ScopeExp.d @ 0:10317f0c89a5

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Initial commit
author korDen
date Sat, 24 Oct 2009 08:42:06 +0400
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children 2e2a5c3f943a
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-1:000000000000 0:10317f0c89a5
1 module dmd.ScopeExp;
2
3 import dmd.Expression;
4 import dmd.backend.elem;
5 import dmd.ScopeDsymbol;
6 import dmd.OutBuffer;
7 import dmd.TemplateInstance;
8 import dmd.Loc;
9 import dmd.TOK;
10 import dmd.Scope;
11 import dmd.IRState;
12 import dmd.HdrGenState;
13 import dmd.Global;
14 import dmd.Dsymbol;
15 import dmd.VarExp;
16 import dmd.DotVarExp;
17 import dmd.DsymbolExp;
18 import dmd.Type;
19
20 class ScopeExp : Expression
21 {
22 ScopeDsymbol sds;
23
24 this(Loc loc, ScopeDsymbol pkg)
25 {
26 super(loc, TOK.TOKimport, ScopeExp.sizeof);
27 //printf("ScopeExp.ScopeExp(pkg = '%s')\n", pkg.toChars());
28 //static int count; if (++count == 38) *(char*)0=0;
29 this.sds = pkg;
30 }
31
32 Expression syntaxCopy()
33 {
34 ScopeExp se = new ScopeExp(loc, cast(ScopeDsymbol)sds.syntaxCopy(null));
35 return se;
36 }
37
38 Expression semantic(Scope sc)
39 {
40 TemplateInstance ti;
41 ScopeDsymbol sds2;
42
43 version (LOGSEMANTIC) {
44 printf("+ScopeExp.semantic('%s')\n", toChars());
45 }
46 Lagain:
47 ti = sds.isTemplateInstance();
48 if (ti && !global.errors)
49 {
50 Dsymbol s;
51 if (!ti.semanticRun)
52 ti.semantic(sc);
53 s = ti.inst.toAlias();
54 sds2 = s.isScopeDsymbol();
55 if (!sds2)
56 {
57 Expression e;
58
59 //printf("s = %s, '%s'\n", s.kind(), s.toChars());
60 if (ti.withsym)
61 {
62 // Same as wthis.s
63 e = new VarExp(loc, ti.withsym.withstate.wthis);
64 e = new DotVarExp(loc, e, s.isDeclaration());
65 }
66 else
67 e = new DsymbolExp(loc, s);
68
69 e = e.semantic(sc);
70 //printf("-1ScopeExp.semantic()\n");
71 return e;
72 }
73 if (sds2 != sds)
74 {
75 sds = sds2;
76 goto Lagain;
77 }
78 //printf("sds = %s, '%s'\n", sds.kind(), sds.toChars());
79 }
80 else
81 {
82 //printf("sds = %s, '%s'\n", sds.kind(), sds.toChars());
83 //printf("\tparent = '%s'\n", sds.parent.toChars());
84 sds.semantic(sc);
85 }
86 type = Type.tvoid;
87 //printf("-2ScopeExp.semantic() %s\n", toChars());
88 return this;
89 }
90
91 elem* toElem(IRState* irs)
92 {
93 assert(false);
94 }
95
96 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
97 {
98 if (sds.isTemplateInstance())
99 {
100 sds.toCBuffer(buf, hgs);
101 }
102 else
103 {
104 buf.writestring(sds.kind());
105 buf.writestring(" ");
106 buf.writestring(sds.toChars());
107 }
108 }
109 }
110