1 /* static char *sccsid = "@(#)0.h 1.1 (Berkeley) 03/02/81";*/ 2 /* Copyright (c) 1979 Regents of the University of California */ 3 /* #define DEBUG */ 4 #define CHAR 5 #define STATIC 6 /* 7 * pxp - Pascal execution profiler 8 * 9 * Bill Joy 10 * University of California, Berkeley (UCB) 11 * Version 1.1 February 1978 12 */ 13 14 /* 15 * Option flags 16 * 17 * The following options are recognized on the command line by pxp. 18 * Only the u, w, and z options here have effect in comments in the 19 * program; the others are command line only, and unrelated 20 * to the options with the same designations in comments. 21 * 22 * a Print all routines in a profile; normally, routines 23 * which have never been executed have their bodies suppressed. 24 * 25 * c Extract profile data from the file core, or the file 26 * named after the last argument rather than the file 'pmon.out'. 27 * Must be used with z to have an effect. 28 * 29 * d Suppress declarations 30 * 31 * f Fully parenthesize expressions. 32 * 33 * j Left justify all procedures and functions rather than 34 * indenting them. 35 * 36 * n Eject a new page in the listing as each 'include' file 37 * is incorporated into the profile. 38 * 39 * o Put output prettyprint in first argument file 40 * 41 * p Pretty print a main program without processing 42 * the include statements. 43 * 44 * t Print a table summarizing procedure and function call counts. 45 * 46 * u Card image mode; only the first 72 chars on a line count. 47 * 48 * w Suppress certain warning diagnostics. 49 * 50 * z Generate an execution profile of the program. 51 * May also be followed by a list of procedure and function 52 * names mixed, if desired, with include file names. 53 * Only these procedures and functions, and the contents 54 * of the specified include files will then be profiled. 55 * 56 * [23456789] Use the specified number of spaces for the basic 57 * indenting unit in the program. 58 * 59 * _ Underline keywords in the output. 60 */ 61 62 char all, core, nodecl, full, justify, pmain, stripcomm, table, underline; 63 char profile, onefile; 64 char *firstname, *stdoutn; 65 #ifdef DEBUG 66 char fulltrace, errtrace, testtrace, yyunique, typetest; 67 #endif 68 int unit; 69 70 /* 71 * The flag nojunk means that header lines 72 * of procedures and functions are to be suppressed 73 * when the z option is off. 74 * It is the default when command line z option 75 * control is specified. 76 * 77 * The flag noinclude indicates that include statements are not 78 * to be processed since we are pretty-printing the contents 79 * of a single file. 80 * 81 * The flag bracket indicates that the source code should be 82 * bracketed with lines of the form 83 * program x(output); 84 * and 85 * begin end. 86 * so that an include will pretty print without syntax errors. 87 */ 88 char nojunk, noinclude, bracket; 89 90 /* 91 * IMPORTANT NOTE 92 * 93 * Many of the following globals are shared by pi and pxp. 94 * For more discussion of these see the available documentation 95 * on the structure of pi. 96 */ 97 98 /* 99 * Each option has a stack of 17 option values, with opts giving 100 * the current, top value, and optstk the value beneath it. 101 * One refers to option `l' as, e.g., opt('l') in the text for clarity. 102 */ 103 char opts[26]; 104 int optstk[26]; 105 106 #define opt(c) opts[c-'a'] 107 108 /* 109 * NOTES ON THE DYNAMIC NATURE OF THE DATA STRUCTURES 110 * 111 * Pxp uses expandable tables for its string table 112 * hash table, and parse tree space. The following 113 * definitions specify the size of the increments 114 * for these items in fundamental units so that 115 * each uses approximately 1024 bytes. 116 */ 117 118 #define STRINC 1024 /* string space increment */ 119 #define TRINC 512 /* tree space increment */ 120 #define HASHINC 509 /* hash table size in words, each increment */ 121 122 /* 123 * The initial sizes of the structures. 124 * These should be large enough to profile 125 * an "average" sized program so as to minimize 126 * storage requests. 127 * On a small system or and 11/34 or 11/40 128 * these numbers can be trimmed to make the 129 * profiler smaller. 130 */ 131 #define ITREE 2000 132 #define IHASH 509 133 134 /* 135 * The following limits on hash and tree tables currently 136 * allow approximately 1200 symbols and 20k words of tree 137 * space. The fundamental limit of 64k total data space 138 * should be exceeded well before these are full. 139 */ 140 #define MAXHASH 4 141 #define MAXTREE 30 142 #define MAXDEPTH 150 143 144 /* 145 * ERROR RELATED DEFINITIONS 146 */ 147 148 /* 149 * Exit statuses to pexit 150 * 151 * AOK 152 * ERRS Compilation errors inhibit obj productin 153 * NOSTART Errors before we ever got started 154 * DIED We ran out of memory or some such 155 */ 156 #define AOK 0 157 #define ERRS 1 158 #define NOSTART 2 159 #define DIED 3 160 161 char Recovery; 162 /* 163 * The flag eflg is set whenever we have a hard error. 164 * The character in errpfx will precede the next error message. 165 */ 166 int eflg; 167 char errpfx; 168 169 #define setpfx(x) errpfx = x 170 171 #define standard() setpfx('s') 172 #define warning() setpfx('w') 173 #define recovered() setpfx('e') 174 #define quit() setpfx('Q') 175 176 /* 177 * SEMANTIC DEFINITIONS 178 */ 179 180 #define NIL 0 181 182 /* 183 * NOCON and SAWCON are flags in the tree telling whether 184 * a constant set is part of an expression. 185 */ 186 #define NOCON 0 187 #define SAWCON 1 188 189 /* 190 * The variable cbn gives the current block number. 191 * The variable lastbn gives the block number before 192 * it last changed and is used to know that we were 193 * in a nested procedure so that we can print 194 * begin { solve } 195 * when solve has nested procedures or functions in it. 196 */ 197 int cbn, lastbn; 198 199 /* 200 * The variable line is the current semantic 201 * line and is set in stat.c from the numbers 202 * embedded in statement type tree nodes. 203 */ 204 int line; 205 206 /* 207 * The size of the display 208 * which defines the maximum nesting 209 * of procedures and functions allowed. 210 */ 211 #define DSPLYSZ 20 212 213 /* 214 * Routines which need types 215 * other than "integer" to be 216 * assumed by the compiler. 217 */ 218 int *tree(); 219 int *hash(); 220 char *alloc(); 221 long cntof(); 222 long nowcnt(); 223 224 /* 225 * Funny structures to use 226 * pointers in wild and wooly ways 227 */ 228 struct { 229 char pchar; 230 }; 231 struct { 232 int pint; 233 int pint2; 234 }; 235 struct { 236 long plong; 237 }; 238 struct { 239 double pdouble; 240 }; 241 242 #define OCT 1 243 #define HEX 2 244 245 /* 246 * MAIN PROGRAM GLOBALS, MISCELLANY 247 */ 248 249 /* 250 * Variables forming a data base referencing 251 * the command line arguments with the "z" option. 252 */ 253 char **pflist; 254 int pflstc; 255 int pfcnt; 256 257 char *filename; /* current source file name */ 258 char *lastname; /* last file name printed */ 259 long tvec; /* mod time of the source file */ 260 long ptvec; /* time profiled */ 261 char printed; /* current file has been printed */ 262 char hadsome; /* had some output */ 263 264 /* 265 * PROFILING AND FORMATTING DEFINITIONS 266 */ 267 268 /* 269 * The basic counter information recording structure. 270 * This is global only because people outside 271 * the cluster in pmon.c need to know its size. 272 */ 273 struct pxcnt { 274 long ntimes; /* the count this structure is all about */ 275 int counter; /* a unique counter number for us */ 276 int gos; /* global goto count when we hatched */ 277 int printed; /* are we considered to have been printed? */ 278 } pfcnts[DSPLYSZ]; 279 280 /* 281 * The pieces we divide the output line indents into: 282 * line# PRFN label: STAT 999.---| DECL text 283 */ 284 #define STAT 0 285 #define DECL 1 286 #define PRFN 2 287 288 /* 289 * Gocnt records the total number of goto's and 290 * cnts records the current counter for generating 291 * COUNT operators. 292 */ 293 int gocnt; 294 int cnts; 295 296 #include <stdio.h> 297 298 #undef putchar 299