| 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 | } |