0b55f123 |
1 | /***** spin: reprosrc.c *****/ |
2 | |
3 | /* Copyright (c) 2002-2003 by Lucent Technologies, Bell Laboratories. */ |
4 | /* All Rights Reserved. This software is for educational purposes only. */ |
5 | /* No guarantee whatsoever is expressed or implied by the distribution of */ |
6 | /* this code. Permission is given to distribute this code provided that */ |
7 | /* this introductory message is not removed and no monies are exchanged. */ |
8 | /* Software written by Gerard J. Holzmann. For tool documentation see: */ |
9 | /* http://spinroot.com/ */ |
10 | /* Send all bug-reports and/or questions to: bugs@spinroot.com */ |
11 | |
12 | #include <stdio.h> |
13 | #include "spin.h" |
14 | #include "y.tab.h" |
15 | |
16 | static int indent = 1; |
17 | |
18 | extern ProcList *rdy; |
19 | void repro_seq(Sequence *); |
20 | |
21 | void |
22 | doindent(void) |
23 | { int i; |
24 | for (i = 0; i < indent; i++) |
25 | printf(" "); |
26 | } |
27 | |
28 | void |
29 | repro_sub(Element *e) |
30 | { |
31 | doindent(); |
32 | switch (e->n->ntyp) { |
33 | case D_STEP: |
34 | printf("d_step {\n"); |
35 | break; |
36 | case ATOMIC: |
37 | printf("atomic {\n"); |
38 | break; |
39 | case NON_ATOMIC: |
40 | printf(" {\n"); |
41 | break; |
42 | } |
43 | indent++; |
44 | repro_seq(e->n->sl->this); |
45 | indent--; |
46 | |
47 | doindent(); |
48 | printf(" };\n"); |
49 | } |
50 | |
51 | void |
52 | repro_seq(Sequence *s) |
53 | { Element *e; |
54 | Symbol *v; |
55 | SeqList *h; |
56 | |
57 | for (e = s->frst; e; e = e->nxt) |
58 | { |
59 | v = has_lab(e, 0); |
60 | if (v) printf("%s:\n", v->name); |
61 | |
62 | if (e->n->ntyp == UNLESS) |
63 | { printf("/* normal */ {\n"); |
64 | repro_seq(e->n->sl->this); |
65 | doindent(); |
66 | printf("} unless {\n"); |
67 | repro_seq(e->n->sl->nxt->this); |
68 | doindent(); |
69 | printf("}; /* end unless */\n"); |
70 | } else if (e->sub) |
71 | { |
72 | switch (e->n->ntyp) { |
73 | case DO: doindent(); printf("do\n"); indent++; break; |
74 | case IF: doindent(); printf("if\n"); indent++; break; |
75 | } |
76 | |
77 | for (h = e->sub; h; h = h->nxt) |
78 | { indent--; doindent(); indent++; printf("::\n"); |
79 | repro_seq(h->this); |
80 | printf("\n"); |
81 | } |
82 | |
83 | switch (e->n->ntyp) { |
84 | case DO: indent--; doindent(); printf("od;\n"); break; |
85 | case IF: indent--; doindent(); printf("fi;\n"); break; |
86 | } |
87 | } else |
88 | { if (e->n->ntyp == ATOMIC |
89 | || e->n->ntyp == D_STEP |
90 | || e->n->ntyp == NON_ATOMIC) |
91 | repro_sub(e); |
92 | else if (e->n->ntyp != '.' |
93 | && e->n->ntyp != '@' |
94 | && e->n->ntyp != BREAK) |
95 | { |
96 | doindent(); |
97 | if (e->n->ntyp == C_CODE) |
98 | { printf("c_code "); |
99 | plunk_inline(stdout, e->n->sym->name, 1); |
100 | } else if (e->n->ntyp == 'c' |
101 | && e->n->lft->ntyp == C_EXPR) |
102 | { printf("c_expr { "); |
103 | plunk_expr(stdout, e->n->lft->sym->name); |
104 | printf("} ->\n"); |
105 | } else |
106 | { comment(stdout, e->n, 0); |
107 | printf(";\n"); |
108 | } } |
109 | } |
110 | if (e == s->last) |
111 | break; |
112 | } |
113 | } |
114 | |
115 | void |
116 | repro_proc(ProcList *p) |
117 | { |
118 | if (!p) return; |
119 | if (p->nxt) repro_proc(p->nxt); |
120 | |
121 | if (p->det) printf("D"); /* deterministic */ |
122 | printf("proctype %s()", p->n->name); |
123 | if (p->prov) |
124 | { printf(" provided "); |
125 | comment(stdout, p->prov, 0); |
126 | } |
127 | printf("\n{\n"); |
128 | repro_seq(p->s); |
129 | printf("}\n"); |
130 | } |
131 | |
132 | void |
133 | repro_src(void) |
134 | { |
135 | repro_proc(rdy); |
136 | } |