Commit | Line | Data |
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f4e01610 | 1 | static char *sccsid = "@(#)const.c 1.2 (Berkeley) %G%"; |
9fad0514 PK |
2 | /* Copyright (c) 1979 Regents of the University of California */ |
3 | # | |
4 | /* | |
5 | * pxp - Pascal execution profiler | |
6 | * | |
7 | * Bill Joy UCB | |
8 | * Version 1.2 January 1979 | |
9 | */ | |
10 | ||
11 | #include "0.h" | |
12 | #include "tree.h" | |
13 | ||
f4e01610 | 14 | STATIC int constcnt = -1; |
9fad0514 PK |
15 | |
16 | /* | |
17 | * The const declaration part | |
18 | */ | |
19 | constbeg(l, cline) | |
20 | int l, cline; | |
21 | { | |
22 | ||
23 | line = l; | |
24 | if (nodecl) | |
25 | printoff(); | |
26 | puthedr(); | |
27 | putcm(); | |
28 | ppnl(); | |
29 | indent(); | |
30 | ppkw("const"); | |
31 | ppgoin(DECL); | |
32 | constcnt = 0; | |
33 | setline(cline); | |
34 | } | |
35 | ||
36 | const(cline, cid, cdecl) | |
37 | int cline; | |
38 | char *cid; | |
39 | int *cdecl; | |
40 | { | |
41 | ||
42 | if (constcnt) | |
43 | putcm(); | |
44 | setline(cline); | |
45 | ppitem(); | |
46 | ppid(cid); | |
47 | ppsep(" = "); | |
48 | gconst(cdecl); | |
49 | ppsep(";"); | |
50 | constcnt++; | |
51 | setinfo(cline); | |
52 | putcml(); | |
53 | } | |
54 | ||
55 | constend() | |
56 | { | |
57 | ||
58 | if (constcnt == -1) | |
59 | return; | |
60 | if (nodecl) | |
61 | return; | |
62 | if (constcnt == 0) | |
63 | ppid("{const decls}"); | |
64 | ppgoout(DECL); | |
65 | constcnt = -1; | |
66 | } | |
67 | ||
68 | /* | |
69 | * A constant in an expression | |
70 | * or a declaration. | |
71 | */ | |
72 | gconst(r) | |
73 | int *r; | |
74 | { | |
75 | register *cn; | |
76 | ||
77 | cn = r; | |
78 | loop: | |
79 | if (cn == NIL) { | |
80 | ppid("{constant}"); | |
81 | return; | |
82 | } | |
83 | switch (cn[0]) { | |
84 | default: | |
85 | panic("gconst"); | |
86 | case T_PLUSC: | |
87 | ppop("+"); | |
88 | cn = cn[1]; | |
89 | goto loop; | |
90 | case T_MINUSC: | |
91 | ppop("-"); | |
92 | cn = cn[1]; | |
93 | goto loop; | |
94 | case T_ID: | |
95 | ppid(cn[1]); | |
96 | return; | |
97 | case T_CBINT: | |
98 | case T_CINT: | |
99 | case T_CFINT: | |
100 | ppnumb(cn[1]); | |
101 | if (cn[0] == T_CBINT) | |
102 | ppsep("b"); | |
103 | return; | |
104 | case T_CSTRNG: | |
105 | ppstr(cn[1]); | |
106 | return; | |
107 | } | |
108 | } |