# /* * pi - Pascal interpreter code translator * * Charles Haley, Bill Joy UCB * Version 1.2 January 1979 * * * pxp - Pascal execution profiler * * Bill Joy UCB * Version 1.2 January 1979 */ #include "0.h" #include "yy.h" #ifdef PXP extern int yyline; extern char errout; #endif char errpfx = 'E'; extern int yyline; /* * Panic is called when impossible * (supposedly, anyways) situations * are encountered. #ifdef PI * Panic messages should be short * as they do not go to the message * file. #endif */ panic(s) char *s; { #ifdef DEBUG printf("Snark (%s) line=%d yyline=%d\n", s, line, yyline); #endif #ifdef PXP Perror( "Snark in pxp", s); #endif #ifdef PI Perror( "Snark in pi", s); #endif pexit(DIED); } extern char *errfile; /* * Error is called for * semantic errors and * prints the error and * a line number. */ error(a1, a2, a3, a4) { #ifdef PI char buf[256]; register int i; #endif #ifdef PXP int ofout; #endif if (errpfx == 'w' && opt('w') != 0) return; #ifdef PXP flush(); ofout = fout[0]; fout[0] = errout; #endif #ifdef PI Enocascade = 0; geterr(a1, buf); a1 = buf; #endif if (line < 0) line = -line; yySsync(); yysetfile(filename); #ifdef PI if (errpfx == ' ') { printf(" "); for (i = line; i >= 10; i /= 10) putchar(' '); printf("... "); } else if (Enoline) printf(" %c - ", errpfx); else #endif printf("%c %d - ", errpfx, line); printf(a1, a2, a3, a4); if (errpfx == 'E') #ifdef PI eflg++, cgenflg++; #endif #ifdef PXP eflg++; #endif errpfx = 'E'; #ifdef PI if (Eholdnl) Eholdnl = 0; else #endif putchar('\n'); #ifdef PXP flush(); fout[0] = ofout; #endif } #ifdef PI cerror(a1, a2, a3, a4) { if (Enocascade) return; setpfx(' '); error(a1, a2, a3, a4); } #endif