Mercurial > projects > ldc

annotate dmd2/irstate.c @ 1452:638d16625da2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LDC 2 compiles again.
author Robert Clipsham <robert@octarineparrot.com>
date Sat, 30 May 2009 17:23:32 +0100
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1452
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
1
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
2 // Compiler implementation of the D programming language
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
3 // Copyright (c) 1999-2008 by Digital Mars
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
4 // All Rights Reserved
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
5 // written by Walter Bright
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
6 // http://www.digitalmars.com
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
7
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
8 #include <stdio.h>
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
9
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
10 #include "irstate.h"
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
11
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
12 IRState::IRState(IRState *irs, Statement *s)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
13 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
14 prev = irs;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
15 statement = s;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
16 symbol = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
17 breakBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
18 contBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
19 switchBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
20 defaultBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
21 ident = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
22 ehidden = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
23 startaddress = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
24 if (irs)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
25 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
26 m = irs->m;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
27 shidden = irs->shidden;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
28 sclosure = irs->sclosure;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
29 sthis = irs->sthis;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
30 blx = irs->blx;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
31 deferToObj = irs->deferToObj;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
32 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
33 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
34 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
35 m = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
36 shidden = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
37 sclosure = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
38 sthis = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
39 blx = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
40 deferToObj = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
41 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
42 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
43
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
44 IRState::IRState(IRState *irs, Dsymbol *s)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
45 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
46 prev = irs;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
47 statement = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
48 symbol = s;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
49 breakBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
50 contBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
51 switchBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
52 defaultBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
53 ident = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
54 ehidden = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
55 startaddress = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
56 if (irs)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
57 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
58 m = irs->m;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
59 shidden = irs->shidden;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
60 sclosure = irs->sclosure;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
61 sthis = irs->sthis;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
62 blx = irs->blx;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
63 deferToObj = irs->deferToObj;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
64 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
65 else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
66 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
67 m = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
68 shidden = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
69 sclosure = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
70 sthis = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
71 blx = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
72 deferToObj = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
73 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
74 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
75
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
76 IRState::IRState(Module *m, Dsymbol *s)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
77 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
78 prev = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
79 statement = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
80 this->m = m;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
81 symbol = s;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
82 breakBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
83 contBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
84 switchBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
85 defaultBlock = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
86 ident = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
87 ehidden = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
88 shidden = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
89 sclosure = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
90 sthis = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
91 blx = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
92 deferToObj = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
93 startaddress = NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
94 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
95
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
96 block *IRState::getBreakBlock(Identifier *ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
97 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
98 IRState *bc;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
99
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
100 for (bc = this; bc; bc = bc->prev)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
101 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
102 if (ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
103 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
104 if (bc->prev && bc->prev->ident == ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
105 return bc->breakBlock;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
106 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
107 else if (bc->breakBlock)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
108 return bc->breakBlock;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
109 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
110 return NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
111 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
112
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
113 block *IRState::getContBlock(Identifier *ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
114 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
115 IRState *bc;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
116
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
117 for (bc = this; bc; bc = bc->prev)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
118 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
119 if (ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
120 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
121 if (bc->prev && bc->prev->ident == ident)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
122 return bc->contBlock;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
123 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
124 else if (bc->contBlock)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
125 return bc->contBlock;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
126 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
127 return NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
128 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
129
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
130 block *IRState::getSwitchBlock()
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
131 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
132 IRState *bc;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
133
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
134 for (bc = this; bc; bc = bc->prev)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
135 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
136 if (bc->switchBlock)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
137 return bc->switchBlock;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
138 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
139 return NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
140 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
141
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
142 block *IRState::getDefaultBlock()
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
143 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
144 IRState *bc;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
145
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
146 for (bc = this; bc; bc = bc->prev)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
147 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
148 if (bc->defaultBlock)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
149 return bc->defaultBlock;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
150 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
151 return NULL;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
152 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
153
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
154 FuncDeclaration *IRState::getFunc()
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
155 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
156 IRState *bc;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
157
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
158 for (bc = this; bc->prev; bc = bc->prev)
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
159 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
160 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
161 return (FuncDeclaration *)(bc->symbol);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
162 }
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
163
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
164