| 1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | # |
| 3 | /* |
| 4 | * pxp - Pascal execution profiler |
| 5 | * |
| 6 | * Bill Joy UCB |
| 7 | * Version 1.2 January 1979 |
| 8 | */ |
| 9 | |
| 10 | #include "0.h" |
| 11 | #include "tree.h" |
| 12 | |
| 13 | /* |
| 14 | * Case statement |
| 15 | */ |
| 16 | caseop(r) |
| 17 | int *r; |
| 18 | { |
| 19 | register *cl, *cs, i; |
| 20 | struct pxcnt scnt; |
| 21 | |
| 22 | savecnt(&scnt); |
| 23 | ppkw("case"); |
| 24 | ppspac(); |
| 25 | rvalue(r[2], NIL); |
| 26 | ppspac(); |
| 27 | ppkw("of"); |
| 28 | for (cl = r[3]; cl != NIL;) { |
| 29 | cs = cl[1]; |
| 30 | if (cs == NIL) |
| 31 | continue; |
| 32 | baroff(); |
| 33 | ppgoin(DECL); |
| 34 | setline(cs[1]); |
| 35 | ppnl(); |
| 36 | indent(); |
| 37 | ppbra(NIL); |
| 38 | cs = cs[2]; |
| 39 | if (cs != NIL) { |
| 40 | i = 0; |
| 41 | for (;;) { |
| 42 | gconst(cs[1]); |
| 43 | cs = cs[2]; |
| 44 | if (cs == NIL) |
| 45 | break; |
| 46 | i++; |
| 47 | if (i == 7) { |
| 48 | ppsep(","); |
| 49 | ppitem(); |
| 50 | i = 0; |
| 51 | } else |
| 52 | ppsep(", "); |
| 53 | } |
| 54 | } else |
| 55 | ppid("{case label list}"); |
| 56 | ppket(":"); |
| 57 | cs = cl[1]; |
| 58 | cs = cs[3]; |
| 59 | getcnt(); |
| 60 | ppgoin(STAT); |
| 61 | if (cs != NIL && cs[0] == T_BLOCK) { |
| 62 | ppnl(); |
| 63 | indent(); |
| 64 | baron(); |
| 65 | ppstbl1(cs, STAT); |
| 66 | baroff(); |
| 67 | ppstbl2(); |
| 68 | baron(); |
| 69 | } else { |
| 70 | baron(); |
| 71 | statement(cs); |
| 72 | } |
| 73 | ppgoout(STAT); |
| 74 | ppgoout(DECL); |
| 75 | cl = cl[2]; |
| 76 | if (cl == NIL) |
| 77 | break; |
| 78 | ppsep(";"); |
| 79 | } |
| 80 | if (rescnt(&scnt)) |
| 81 | getcnt(); |
| 82 | ppnl(); |
| 83 | indent(); |
| 84 | ppkw("end"); |
| 85 | } |