Mercurial > projects > ddmd

comparison dmd/GotoDefaultStatement.d @ 68:ee3a9f34dc48

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
final bits of codegen implementation to compile Phobos
author korDen
date Tue, 24 Aug 2010 16:44:34 +0400
parents 4290d870944a
children 2e2a5c3f943a
comparison
equal deleted inserted replaced
67:f708f0452e81 68:ee3a9f34dc48
8 import dmd.InterState; 8 import dmd.InterState;
9 import dmd.OutBuffer; 9 import dmd.OutBuffer;
10 import dmd.HdrGenState; 10 import dmd.HdrGenState;
11 import dmd.IRState; 11 import dmd.IRState;
12 import dmd.BE; 12 import dmd.BE;
13
14 import dmd.backend.block;
15 import dmd.backend.Blockx;
16 import dmd.backend.Util;
17 import dmd.backend.BC;
13 18
14 class GotoDefaultStatement : Statement 19 class GotoDefaultStatement : Statement
15 { 20 {
16 SwitchStatement sw; 21 SwitchStatement sw;
17 22
50 buf.writestring("goto default;\n"); 55 buf.writestring("goto default;\n");
51 } 56 }
52 57
53 void toIR(IRState *irs) 58 void toIR(IRState *irs)
54 { 59 {
55 assert(false); 60 block *b;
61 Blockx *blx = irs.blx;
62 block *bdest = irs.getDefaultBlock();
63
64 b = blx.curblock;
65
66 // The rest is equivalent to GotoStatement
67
68 // Adjust exception handler scope index if in different try blocks
69 if (b.Btry != bdest.Btry)
70 {
71 // Check that bdest is in an enclosing try block
72 for (block* bt = b.Btry; bt != bdest.Btry; bt = bt.Btry)
73 {
74 if (!bt)
75 {
76 //printf("b.Btry = %p, bdest.Btry = %p\n", b.Btry, bdest.Btry);
77 error("cannot goto into try block");
78 break;
79 }
80 }
81
82 //setScopeIndex(blx, b, bdest.Btry ? bdest.Btry.Bscope_index : -1);
83 }
84
85 list_append(&b.Bsucc,bdest);
86 incUsage(irs, loc);
87 block_next(blx,BCgoto,null);
56 } 88 }
57 } 89 }