Commit | Line | Data |
---|---|---|
4a9bdf3d BJ |
1 | # |
2 | /* | |
3 | * pxp - Pascal execution profiler | |
4 | * | |
5 | * Bill Joy UCB | |
6 | * Version 1.0 August 1977 | |
7 | */ | |
8 | ||
9 | #include "whoami" | |
10 | #include "0.h" | |
11 | #include "tree.h" | |
12 | ||
13 | /* | |
14 | * Program, procedure or function "header", i.e.: | |
15 | * | |
16 | * function sin: real; | |
17 | */ | |
18 | funchdr(r) | |
19 | int *r; | |
20 | { | |
21 | register **rl, *il; | |
22 | ||
23 | if (inpflist(r[2])) { | |
24 | optstk['z'-'a'] =<< 1; | |
25 | optstk['z'-'a'] =| opts['z'-'a']; | |
26 | opts['z'-'a'] = 1; | |
27 | } | |
28 | cbn++; | |
29 | lastbn = cbn; | |
30 | getcnt(); | |
31 | if (nojunk && !inpflist(r[2])) | |
32 | setprint(); | |
33 | else | |
34 | printon(); | |
35 | if (r[0] == T_PROG && noinclud && bracket) | |
36 | printoff(); | |
37 | if (cbn > 1 && !justify) | |
38 | ppgoin(PRFN); | |
39 | puthedr(); | |
40 | if (noblank(setline(r[1]))) | |
41 | ppnl(); | |
42 | cnttab(r[2], pfcnt++); | |
43 | ppnl(); | |
44 | indent(); | |
45 | switch (r[0]) { | |
46 | case T_PROG: | |
47 | ppkw("program"); | |
48 | break; | |
49 | case T_PDEC: | |
50 | ppkw("procedure"); | |
51 | break; | |
52 | case T_FDEC: | |
53 | ppkw("function"); | |
54 | break; | |
55 | default: | |
56 | panic("funchdr"); | |
57 | } | |
58 | ppspac(); | |
59 | ppid(r[2]); | |
60 | if (r[0] != T_PROG) { | |
61 | rl = r[3]; | |
62 | if (rl != NIL) { | |
63 | ppbra("("); | |
64 | for (;;) { | |
65 | if (rl[1] == NIL) { | |
66 | rl = rl[2]; | |
67 | continue; | |
68 | } | |
69 | switch (rl[1][0]) { | |
70 | case T_PVAR: | |
71 | ppkw("var"); | |
72 | ppspac(); | |
73 | break; | |
74 | case T_PPROC: | |
75 | ppkw("procedure"); | |
76 | ppspac(); | |
77 | break; | |
78 | case T_PFUNC: | |
79 | ppkw("function"); | |
80 | ppspac(); | |
81 | break; | |
82 | } | |
83 | il = rl[1][1]; | |
84 | if (il != NIL) | |
85 | for (;;) { | |
86 | ppid(il[1]); | |
87 | il = il[2]; | |
88 | if (il == NIL) | |
89 | break; | |
90 | ppsep(", "); | |
91 | } | |
92 | else | |
93 | ppid("{identifier list}"); | |
94 | if (rl[1][0] != T_PPROC) { | |
95 | ppsep(":"); | |
96 | gtype(rl[1][2]); | |
97 | } | |
98 | rl = rl[2]; | |
99 | if (rl == NIL) | |
100 | break; | |
101 | ppsep(";"); | |
102 | ppspac(); | |
103 | } | |
104 | ppket(")"); | |
105 | } | |
106 | if (r[0] == T_FDEC && r[4] != NIL) { | |
107 | ppsep(":"); | |
108 | gtype(r[4]); | |
109 | } | |
110 | ppsep(";"); | |
111 | } else { | |
112 | rl = r[3]; | |
113 | if (rl != NIL) { | |
114 | ppbra("("); | |
115 | for (;;) { | |
116 | ppid(rl[1]); | |
117 | rl = rl[2]; | |
118 | if (rl == NIL) | |
119 | break; | |
120 | ppsep(", "); | |
121 | } | |
122 | ppket(")"); | |
123 | } | |
124 | ppsep(";"); | |
125 | } | |
126 | fhout: | |
127 | setline(r[1]); | |
128 | putcml(); | |
129 | savecnt(&pfcnts[cbn]); | |
130 | setprint(); | |
131 | --cbn; | |
132 | if (cbn && !justify) | |
133 | ppgoout(PRFN); | |
134 | return (r[2]); | |
135 | } | |
136 | ||
137 | /* | |
138 | * Forward declaration i.e. the second line of | |
139 | * | |
140 | * procedure fum(var i: integer); | |
141 | * forward; | |
142 | */ | |
143 | funcfwd(fp) | |
144 | char *fp; | |
145 | { | |
146 | ||
147 | baroff(); | |
148 | ppgoin(DECL); | |
149 | ppnl(); | |
150 | indent(); | |
151 | ppkw("forward"); | |
152 | ppsep(";"); | |
153 | ppgoout(DECL); | |
154 | baron(); | |
155 | return (fp); | |
156 | } | |
157 | ||
158 | /* | |
159 | * The "body" of a procedure, function, or program declaration, | |
160 | * i.e. a non-forward definition encounter. | |
161 | */ | |
162 | funcbody(fp) | |
163 | char *fp; | |
164 | { | |
165 | ||
166 | if (cbn && !justify) | |
167 | ppgoin(PRFN); | |
168 | cbn++; | |
169 | lastbn = cbn; | |
170 | return (fp); | |
171 | } | |
172 | ||
173 | /* | |
174 | * The guts of the procedure, function or program, i.e. | |
175 | * the part between the begin and the end. | |
176 | */ | |
177 | funcend(fp, bundle, binfo) | |
178 | char *fp; | |
179 | int *bundle, *binfo; | |
180 | { | |
181 | int *blk; | |
182 | extern int cntstat; | |
183 | ||
184 | cntstat = 0; | |
185 | blk = bundle[1]; | |
186 | rescnt(&pfcnts[cbn]); | |
187 | setprint(); | |
188 | if (cbn == 1 && noinclud && bracket) | |
189 | printoff(); | |
190 | if (lastbn > cbn) | |
191 | unprint(); | |
192 | if (cbn == 1) | |
193 | puthedr(); | |
194 | if (noblank(setline(bundle[0])) && lastbn > cbn) | |
195 | ppnl(); | |
196 | ppnl(); | |
197 | indent(); | |
198 | ppkw("begin"); | |
199 | setline(bundle[0]); | |
200 | if (putcml() == 0 && lastbn > cbn) | |
201 | ppsname(fp); | |
202 | ppgoin(DECL); | |
203 | statlist(blk); | |
204 | setinfo(bundle[0]); | |
205 | putcmp(); | |
206 | ppgoout(DECL); | |
207 | ppnl(); | |
208 | indent(); | |
209 | ppkw("end"); | |
210 | ppsep(cbn == 1 ? "." : ";"); | |
211 | setinfo(binfo); | |
212 | if (putcml() == 0) | |
213 | ppsname(fp); | |
214 | cbn--; | |
215 | if (cbn && !justify) | |
216 | ppgoout(PRFN); | |
217 | if (inpflist(fp)) { | |
218 | opts['z'-'a'] = optstk['z'-'a'] & 1; | |
219 | optstk['z'-'a'] =>> 1; | |
220 | } | |
221 | if (cbn == 0) { | |
222 | flushcm(); | |
223 | printon(); | |
224 | ppnl(); | |
225 | } | |
226 | } | |
227 | ||
228 | ppsname(fp) | |
229 | char *fp; | |
230 | { | |
231 | if (fp == NIL) | |
232 | return; | |
233 | ppsep(" { "); | |
234 | ppid(fp); | |
235 | ppsep(" }"); | |
236 | } |