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comparison dmd/GotoCaseStatement.d @ 64:4290d870944a

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More fixes
author korDen
date Mon, 23 Aug 2010 20:29:15 +0400
parents cab4c37afb89
children 2e2a5c3f943a
comparison
equal deleted inserted replaced
63:cab4c37afb89 64:4290d870944a
8 import dmd.Loc; 8 import dmd.Loc;
9 import dmd.InterState; 9 import dmd.InterState;
10 import dmd.OutBuffer; 10 import dmd.OutBuffer;
11 import dmd.HdrGenState; 11 import dmd.HdrGenState;
12 import dmd.BE; 12 import dmd.BE;
13 import dmd.WANT;
13 14
14 class GotoCaseStatement : Statement 15 class GotoCaseStatement : Statement
15 { 16 {
16 Expression exp; // NULL, or which case to goto 17 Expression exp; // NULL, or which case to goto
17 CaseStatement cs; // case statement it resolves to 18 CaseStatement cs; // case statement it resolves to
18 19
19 this(Loc loc, Expression exp) 20 this(Loc loc, Expression exp)
20 { 21 {
21 assert(false);
22 super(loc); 22 super(loc);
23 cs = null;
24 this.exp = exp;
23 } 25 }
24 26
25 Statement syntaxCopy() 27 Statement syntaxCopy()
26 { 28 {
27 assert(false); 29 Expression e = exp ? exp.syntaxCopy() : null;
30 GotoCaseStatement s = new GotoCaseStatement(loc, e);
31 return s;
28 } 32 }
29 33
30 Statement semantic(Scope sc) 34 Statement semantic(Scope sc)
31 { 35 {
32 assert(false); 36 if (exp)
37 exp = exp.semantic(sc);
38
39 if (!sc.sw)
40 error("goto case not in switch statement");
41 else
42 {
43 sc.sw.gotoCases.push(cast(void*)this);
44 if (exp)
45 {
46 exp = exp.implicitCastTo(sc, sc.sw.condition.type);
47 exp = exp.optimize(WANTvalue);
48 }
49 }
50 return this;
33 } 51 }
34 52
35 Expression interpret(InterState istate) 53 Expression interpret(InterState istate)
36 { 54 {
37 assert(false); 55 assert(false);
38 } 56 }
39 57
40 BE blockExit() 58 BE blockExit()
41 { 59 {
42 assert(false); 60 return BEgoto;
43 } 61 }
44 62
45 void toCBuffer(OutBuffer buf, HdrGenState* hgs) 63 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
46 { 64 {
47 assert(false); 65 buf.writestring("goto case");
66 if (exp)
67 {
68 buf.writebyte(' ');
69 exp.toCBuffer(buf, hgs);
70 }
71 buf.writebyte(';');
72 buf.writenl();
48 } 73 }
49 74
50 void toIR(IRState* irs) 75 void toIR(IRState* irs)
51 { 76 {
52 assert(false); 77 assert(false);