# /* * 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" long tokname(); STATIC char bounce; /* * Printing representation of a * "character" - a lexical token * not in a yytok structure. */ long charname(ch) int ch; { struct yytok Ych; Ych.Yychar = ch; Ych.Yylval = nullsem(ch); return (tokname(&Ych)); } /* * Printing representation of a token */ long tokname(tp) register struct yytok *tp; { register char *cp; register struct kwtab *kp; long l; (&l)->pint2 = ""; switch (tp->Yychar) { case YCASELAB: cp = "case-label"; break; case YEOF: cp = "end-of-file"; break; case YILLCH: cp = "illegal character"; break; case 256: /* error token */ cp = "error"; break; case YID: cp = "identifier"; break; case YNUMB: cp = "real number"; break; case YINT: case YBINT: cp = "number"; break; case YSTRING: cp = tp->Yylval; cp = cp == NIL || cp[1] == 0 ? "character" : "string"; break; case YDOTDOT: cp = "'..'"; break; default: if (tp->Yychar < 256) { cp = "'x'\0'x'"; if (bounce = ((bounce + 1) & 1)) cp =+ 4; cp[1] = tp->Yychar; break; } for (kp = yykey; kp->kw_str != NIL && kp->kw_val != tp->Yychar; kp++) continue; cp = "keyword "; (&l)->pint2 = kp->kw_str; } (&l)->pint = cp; return (l); }