Commit | Line | Data |
---|---|---|
09530172 PK |
1 | static char *sccsid = "@(#)fdec.c 1.1 (Berkeley) %G%"; |
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 | ||
14 | /* | |
15 | * Program, procedure or function "header", i.e.: | |
16 | * | |
17 | * function sin: real; | |
18 | */ | |
19 | funchdr(r) | |
20 | int *r; | |
21 | { | |
22 | register **rl, *il; | |
23 | ||
24 | if (inpflist(r[2])) { | |
25 | optstk['z'-'a'] =<< 1; | |
26 | optstk['z'-'a'] =| opts['z'-'a']; | |
27 | opts['z'-'a'] = 1; | |
28 | } | |
29 | cbn++; | |
30 | lastbn = cbn; | |
31 | getcnt(); | |
32 | if (nojunk && !inpflist(r[2])) | |
33 | setprint(); | |
34 | else | |
35 | printon(); | |
36 | if (r[0] == T_PROG && noinclude && bracket) | |
37 | printoff(); | |
38 | if (cbn > 1 && !justify) | |
39 | ppgoin(PRFN); | |
40 | puthedr(); | |
41 | if (noblank(setline(r[1]))) | |
42 | ppnl(); | |
43 | cnttab(r[2], pfcnt++); | |
44 | ppnl(); | |
45 | indent(); | |
46 | switch (r[0]) { | |
47 | case T_PROG: | |
48 | ppkw("program"); | |
49 | break; | |
50 | case T_PDEC: | |
51 | ppkw("procedure"); | |
52 | break; | |
53 | case T_FDEC: | |
54 | ppkw("function"); | |
55 | break; | |
56 | default: | |
57 | panic("funchdr"); | |
58 | } | |
59 | ppspac(); | |
60 | ppid(r[2]); | |
61 | if (r[0] != T_PROG) { | |
62 | rl = r[3]; | |
63 | if (rl != NIL) { | |
64 | ppbra("("); | |
65 | for (;;) { | |
66 | if (rl[1] == NIL) { | |
67 | rl = rl[2]; | |
68 | continue; | |
69 | } | |
70 | switch (rl[1][0]) { | |
71 | case T_PVAR: | |
72 | ppkw("var"); | |
73 | ppspac(); | |
74 | break; | |
75 | case T_PPROC: | |
76 | ppkw("procedure"); | |
77 | ppspac(); | |
78 | break; | |
79 | case T_PFUNC: | |
80 | ppkw("function"); | |
81 | ppspac(); | |
82 | break; | |
83 | } | |
84 | il = rl[1][1]; | |
85 | if (il != NIL) | |
86 | for (;;) { | |
87 | ppid(il[1]); | |
88 | il = il[2]; | |
89 | if (il == NIL) | |
90 | break; | |
91 | ppsep(", "); | |
92 | } | |
93 | else | |
94 | ppid("{identifier list}"); | |
95 | if (rl[1][0] != T_PPROC) { | |
96 | ppsep(":"); | |
97 | gtype(rl[1][2]); | |
98 | } | |
99 | rl = rl[2]; | |
100 | if (rl == NIL) | |
101 | break; | |
102 | ppsep(";"); | |
103 | ppspac(); | |
104 | } | |
105 | ppket(")"); | |
106 | } | |
107 | if (r[0] == T_FDEC && r[4] != NIL) { | |
108 | ppsep(":"); | |
109 | gtype(r[4]); | |
110 | } | |
111 | ppsep(";"); | |
112 | } else { | |
113 | rl = r[3]; | |
114 | if (rl != NIL) { | |
115 | ppbra("("); | |
116 | for (;;) { | |
117 | ppid(rl[1]); | |
118 | rl = rl[2]; | |
119 | if (rl == NIL) | |
120 | break; | |
121 | ppsep(", "); | |
122 | } | |
123 | ppket(")"); | |
124 | } | |
125 | ppsep(";"); | |
126 | } | |
127 | fhout: | |
128 | setline(r[1]); | |
129 | putcml(); | |
130 | savecnt(&pfcnts[cbn]); | |
131 | setprint(); | |
132 | --cbn; | |
133 | if (cbn && !justify) | |
134 | ppgoout(PRFN); | |
135 | return (r[2]); | |
136 | } | |
137 | ||
138 | /* | |
139 | * Forward declaration i.e. the second line of | |
140 | * | |
141 | * procedure fum(var i: integer); | |
142 | * forward; | |
143 | */ | |
144 | funcfwd(fp) | |
145 | char *fp; | |
146 | { | |
147 | ||
148 | baroff(); | |
149 | ppgoin(DECL); | |
150 | ppnl(); | |
151 | indent(); | |
152 | ppkw("forward"); | |
153 | ppsep(";"); | |
154 | ppgoout(DECL); | |
155 | baron(); | |
156 | return (fp); | |
157 | } | |
158 | ||
159 | /* | |
160 | * The "body" of a procedure, function, or program declaration, | |
161 | * i.e. a non-forward definition encounter. | |
162 | */ | |
163 | funcbody(fp) | |
164 | char *fp; | |
165 | { | |
166 | ||
167 | if (cbn && !justify) | |
168 | ppgoin(PRFN); | |
169 | cbn++; | |
170 | lastbn = cbn; | |
171 | return (fp); | |
172 | } | |
173 | ||
174 | /* | |
175 | * The guts of the procedure, function or program, i.e. | |
176 | * the part between the begin and the end. | |
177 | */ | |
178 | funcend(fp, bundle, binfo) | |
179 | char *fp; | |
180 | int *bundle, *binfo; | |
181 | { | |
182 | int *blk; | |
183 | extern int cntstat; | |
184 | ||
185 | cntstat = 0; | |
186 | blk = bundle[2]; | |
187 | rescnt(&pfcnts[cbn]); | |
188 | setprint(); | |
189 | if (cbn == 1 && noinclude && bracket) | |
190 | printoff(); | |
191 | if (lastbn > cbn) | |
192 | unprint(); | |
193 | if (cbn == 1) | |
194 | puthedr(); | |
195 | if (noblank(setline(bundle[1])) && lastbn > cbn) | |
196 | ppnl(); | |
197 | ppnl(); | |
198 | indent(); | |
199 | ppkw("begin"); | |
200 | setline(bundle[1]); | |
201 | if (putcml() == 0 && lastbn > cbn) | |
202 | ppsname(fp); | |
203 | ppgoin(DECL); | |
204 | statlist(blk); | |
205 | setinfo(bundle[1]); | |
206 | putcmp(); | |
207 | ppgoout(DECL); | |
208 | ppnl(); | |
209 | indent(); | |
210 | ppkw("end"); | |
211 | ppsep(cbn == 1 ? "." : ";"); | |
212 | setinfo(binfo); | |
213 | if (putcml() == 0) | |
214 | ppsname(fp); | |
215 | cbn--; | |
216 | if (cbn && !justify) | |
217 | ppgoout(PRFN); | |
218 | if (inpflist(fp)) { | |
219 | opts['z'-'a'] = optstk['z'-'a'] & 1; | |
220 | optstk['z'-'a'] =>> 1; | |
221 | } | |
222 | if (cbn == 0) { | |
223 | flushcm(); | |
224 | printon(); | |
225 | ppnl(); | |
226 | } | |
227 | } | |
228 | ||
229 | ppsname(fp) | |
230 | char *fp; | |
231 | { | |
232 | if (fp == NIL) | |
233 | return; | |
234 | ppsep(" { "); | |
235 | ppid(fp); | |
236 | ppsep(" }"); | |
237 | } |