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 | STATIC int constcnt -1; | |
14 | ||
15 | /* | |
16 | * The const declaration part | |
17 | */ | |
18 | constbeg(l, cline) | |
19 | int l, cline; | |
20 | { | |
21 | ||
22 | line = l; | |
23 | if (nodecl) | |
24 | printoff(); | |
25 | puthedr(); | |
26 | putcm(); | |
27 | ppnl(); | |
28 | indent(); | |
29 | ppkw("const"); | |
30 | ppgoin(DECL); | |
31 | constcnt = 0; | |
32 | setline(cline); | |
33 | } | |
34 | ||
35 | const(cline, cid, cdecl) | |
36 | int cline; | |
37 | char *cid; | |
38 | int *cdecl; | |
39 | { | |
40 | ||
41 | if (constcnt) | |
42 | putcm(); | |
43 | setline(cline); | |
44 | ppitem(); | |
45 | ppid(cid); | |
46 | ppsep(" = "); | |
47 | gconst(cdecl); | |
48 | ppsep(";"); | |
49 | constcnt++; | |
50 | setinfo(cline); | |
51 | putcml(); | |
52 | } | |
53 | ||
54 | constend() | |
55 | { | |
56 | ||
57 | if (constcnt == -1) | |
58 | return; | |
59 | if (nodecl) | |
60 | return; | |
61 | if (constcnt == 0) | |
62 | ppid("{const decls}"); | |
63 | ppgoout(DECL); | |
64 | constcnt = -1; | |
65 | } | |
66 | ||
67 | /* | |
68 | * A constant in an expression | |
69 | * or a declaration. | |
70 | */ | |
71 | gconst(r) | |
72 | int *r; | |
73 | { | |
74 | register *cn; | |
75 | ||
76 | cn = r; | |
77 | loop: | |
78 | if (cn == NIL) { | |
79 | ppid("{constant}"); | |
80 | return; | |
81 | } | |
82 | switch (cn[0]) { | |
83 | default: | |
84 | panic("gconst"); | |
85 | case T_PLUSC: | |
86 | ppop("+"); | |
87 | cn = cn[1]; | |
88 | goto loop; | |
89 | case T_MINUSC: | |
90 | ppop("-"); | |
91 | cn = cn[1]; | |
92 | goto loop; | |
93 | case T_ID: | |
94 | ppid(cn[1]); | |
95 | return; | |
96 | case T_CBINT: | |
97 | case T_CINT: | |
98 | case T_CFINT: | |
99 | ppnumb(cn[1]); | |
100 | if (cn[0] == T_CBINT) | |
101 | ppsep("b"); | |
102 | return; | |
103 | case T_CSTRNG: | |
104 | ppstr(cn[1]); | |
105 | return; | |
106 | } | |
107 | } |