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1 | /*- |
2 | * Copyright (c) 1980 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * %sccs.include.redist.c% | |
252367af DF |
6 | */ |
7 | ||
8 | #ifndef lint | |
0fc6e47b KB |
9 | static char sccsid[] = "@(#)error.c 5.3 (Berkeley) %G%"; |
10 | #endif /* not lint */ | |
252367af | 11 | |
6ef1487c PK |
12 | /* |
13 | * pi - Pascal interpreter code translator | |
14 | * | |
15 | * Charles Haley, Bill Joy UCB | |
16 | * Version 1.2 January 1979 | |
17 | * | |
18 | * | |
19 | * pxp - Pascal execution profiler | |
20 | * | |
21 | * Bill Joy UCB | |
22 | * Version 1.2 January 1979 | |
23 | */ | |
24 | ||
84ef74c0 | 25 | #include "whoami.h" |
6ef1487c PK |
26 | #include "0.h" |
27 | #include "yy.h" | |
28 | ||
29 | #ifdef PXP | |
30 | extern int yyline; | |
31 | extern char errout; | |
32 | #endif | |
33 | ||
f4e01610 | 34 | char errpfx = 'E'; |
6ef1487c PK |
35 | extern int yyline; |
36 | /* | |
37 | * Panic is called when impossible | |
38 | * (supposedly, anyways) situations | |
39 | * are encountered. | |
40 | #ifdef PI | |
41 | * Panic messages should be short | |
42 | * as they do not go to the message | |
43 | * file. | |
44 | #endif | |
45 | */ | |
46 | panic(s) | |
47 | char *s; | |
48 | { | |
49 | ||
50 | #ifdef DEBUG | |
51 | fprintf(stderr, "Snark (%s) line=%d yyline=%d\n", s, line, yyline); | |
52 | #endif | |
53 | #ifdef PXP | |
54 | Perror( "Snark in pxp", s); | |
55 | #endif | |
56 | #ifdef PI | |
57 | Perror( "Snark in pi", s); | |
58 | #endif | |
59 | pexit(DIED); | |
60 | } | |
61 | ||
62 | extern char *errfile; | |
63 | /* | |
64 | * Error is called for | |
65 | * semantic errors and | |
66 | * prints the error and | |
67 | * a line number. | |
68 | */ | |
69 | error(a1, a2, a3, a4) | |
70 | { | |
71 | #ifdef PI | |
72 | char buf[256]; | |
73 | register int i; | |
74 | #endif | |
75 | #ifdef PXP | |
76 | /* | |
77 | int ofout; | |
78 | */ | |
79 | #endif | |
80 | ||
8e00b863 PK |
81 | if (errpfx == 'w' && opt('w') != 0) { |
82 | errpfx == 'E'; | |
6ef1487c | 83 | return; |
8e00b863 | 84 | } |
6ef1487c PK |
85 | #ifdef PXP |
86 | /* | |
87 | flush(); | |
88 | ofout = fout[0]; | |
89 | fout[0] = errout; | |
90 | */ | |
91 | #endif | |
92 | #ifdef PI | |
93 | Enocascade = 0; | |
94 | geterr(a1, buf); | |
95 | a1 = buf; | |
96 | #endif | |
97 | if (line < 0) | |
98 | line = -line; | |
99 | yySsync(); | |
100 | yysetfile(filename); | |
101 | #ifdef PI | |
102 | if (errpfx == ' ') { | |
103 | printf(" "); | |
7169b77a | 104 | for (i = line; i >= 10; i /= 10) |
6ef1487c PK |
105 | putchar(' '); |
106 | printf("... "); | |
107 | } else if (Enoline) | |
108 | printf(" %c - ", errpfx); | |
109 | else | |
110 | #endif | |
111 | fprintf(stderr, "%c %d - ", errpfx, line); | |
112 | fprintf(stderr, a1, a2, a3, a4); | |
113 | if (errpfx == 'E') | |
114 | #ifdef PI | |
115 | eflg++, cgenflg++; | |
116 | #endif | |
117 | #ifdef PXP | |
118 | eflg++; | |
119 | #endif | |
120 | errpfx = 'E'; | |
121 | #ifdef PI | |
122 | if (Eholdnl) | |
123 | Eholdnl = 0; | |
124 | else | |
125 | #endif | |
126 | putc('\n', stderr); | |
127 | #ifdef PXP | |
128 | /* | |
129 | flush(); | |
130 | fout[0] = ofout; | |
131 | */ | |
132 | #endif | |
133 | } | |
134 | ||
135 | #ifdef PI | |
136 | cerror(a1, a2, a3, a4) | |
137 | { | |
138 | ||
139 | if (Enocascade) | |
140 | return; | |
141 | setpfx(' '); | |
142 | error(a1, a2, a3, a4); | |
143 | } | |
144 | #endif |