projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| d27a781b CH |
1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | # | |
| 3 | /* | |
| 4 | * pi - Pascal interpreter code translator | |
| 5 | * | |
| 6 | * Charles Haley, Bill Joy UCB | |
| 7 | * Version 1.2 November 1978 | |
| 8 | */ | |
| 9 | ||
| 10 | #include "whoami" | |
| 11 | #include "0.h" | |
| 12 | #ifndef PI1 | |
| 13 | #include "yy.h" | |
| 14 | #endif | |
| 15 | ||
| 16 | char errpfx = 'E'; | |
| 17 | extern int yyline; | |
| 18 | /* | |
| 19 | * Panic is called when impossible | |
| 20 | * (supposedly, anyways) situations | |
| 21 | * are encountered. | |
| 22 | * Panic messages should be short | |
| 23 | * as they do not go to the message | |
| 24 | * file. | |
| 25 | */ | |
| 26 | panic(s) | |
| 27 | char *s; | |
| 28 | { | |
| 29 | ||
| 30 | #ifdef DEBUG | |
| 31 | #ifdef PI1 | |
| 32 | printf("Snark (%s) line=%d\n", s, line); | |
| 33 | abort(); | |
| 34 | #else | |
| 35 | printf("Snark (%s) line=%d, yyline=%d\n", s, line, yyline); | |
| 36 | abort () ; /* die horribly */ | |
| 37 | #endif | |
| 38 | #endif | |
| 39 | #ifdef PI1 | |
| 40 | Perror( "Snark in pi1", s); | |
| 41 | #else | |
| 42 | Perror( "Snark in pi", s); | |
| 43 | #endif | |
| 44 | pexit(DIED); | |
| 45 | } | |
| 46 | ||
| 47 | extern char *errfile; | |
| 48 | /* | |
| 49 | * Error is called for | |
| 50 | * semantic errors and | |
| 51 | * prints the error and | |
| 52 | * a line number. | |
| 53 | */ | |
| 54 | ||
| 55 | /*VARARGS*/ | |
| 56 | ||
| 57 | error(a1, a2, a3, a4) | |
| 58 | register char *a1; | |
| 59 | { | |
| 60 | char errbuf[256]; /* was extern. why? ...pbk */ | |
| 61 | register int i; | |
| 62 | ||
| 63 | if (errpfx == 'w' && opt('w') != 0) | |
| 64 | return; | |
| 65 | Enocascade = 0; | |
| 66 | geterr(a1, errbuf); | |
| 67 | a1 = errbuf; | |
| 68 | if (line < 0) | |
| 69 | line = -line; | |
| 70 | #ifndef PI1 | |
| 71 | if (opt('l')) | |
| 72 | yyoutline(); | |
| 73 | #endif | |
| 74 | yysetfile(filename); | |
| 75 | if (errpfx == ' ') { | |
| 76 | printf(" "); | |
| 77 | for (i = line; i >= 10; i /= 10) | |
| 78 | pchr( ' ' ); | |
| 79 | printf("... "); | |
| 80 | } else if (Enoline) | |
| 81 | printf(" %c - ", errpfx); | |
| 82 | else | |
| 83 | printf("%c %d - ", errpfx, line); | |
| 84 | printf(a1, a2, a3, a4); | |
| 85 | if (errpfx == 'E') | |
| 86 | #ifndef PI0 | |
| 87 | eflg++, cgenflg++; | |
| 88 | #else | |
| 89 | eflg++; | |
| 90 | #endif | |
| 91 | errpfx = 'E'; | |
| 92 | if (Eholdnl) | |
| 93 | Eholdnl = 0; | |
| 94 | else | |
| 95 | pchr( '\n' ); | |
| 96 | } | |
| 97 | ||
| 98 | /*VARAGRS*/ | |
| 99 | ||
| 100 | cerror(a1, a2, a3, a4) | |
| 101 | { | |
| 102 | ||
| 103 | if (Enocascade) | |
| 104 | return; | |
| 105 | setpfx(' '); | |
| 106 | error(a1, a2, a3, a4); | |
| 107 | } | |
| 108 | ||
| 109 | #ifdef PI1 | |
| 110 | ||
| 111 | /*VARARGS*/ | |
| 112 | ||
| 113 | derror(a1, a2, a3, a4) | |
| 114 | { | |
| 115 | ||
| 116 | if (!holdderr) | |
| 117 | error(a1, a2, a3, a4); | |
| 118 | errpfx = 'E'; | |
| 119 | } | |
| 120 | ||
| 121 | char *lastname, printed, hadsome; | |
| 122 | ||
| 123 | yysetfile(name) | |
| 124 | char *name; | |
| 125 | { | |
| 126 | ||
| 127 | if (lastname == name) | |
| 128 | return; | |
| 129 | printed =| 1; | |
| 130 | gettime( name ); | |
| 131 | printf("%s %s:\n" , myctime( &tvec ) , name ); | |
| 132 | lastname = name; | |
| 133 | } | |
| 134 | #endif |