Commit | Line | Data |
---|---|---|
49e8dbd7 BJ |
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 | } |