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When printing an error message, don't choke if tok->buf is NULL.

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This commit is contained in:
Guido van Rossum 1991-06-07 13:58:56 +00:00
parent 64b4552069
commit 56b07c8ad9
1 changed files with 14 additions and 10 deletions
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24
Parser/parsetok.c
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@ -89,17 +89,21 @@ parsefile(fp, filename, g, start, ps1, ps2, n_ret)
char *p;
fprintf(stderr, "Parsing error: file %s, line %d:\n",
filename, tok->lineno);
*tok->inp = '\0';
if (tok->inp > tok->buf && tok->inp[-1] == '\n')
tok->inp[-1] = '\0';
fprintf(stderr, "%s\n", tok->buf);
for (p = tok->buf; p < tok->cur; p++) {
if (*p == '\t')
putc('\t', stderr);
else
putc(' ', stderr);
if (tok->buf == NULL)
fprintf(stderr, "(EOF)\n");
else {
*tok->inp = '\0';
if (tok->inp > tok->buf && tok->inp[-1] == '\n')
tok->inp[-1] = '\0';
fprintf(stderr, "%s\n", tok->buf);
for (p = tok->buf; p < tok->cur; p++) {
if (*p == '\t')
putc('\t', stderr);
else
putc(' ', stderr);
}
fprintf(stderr, "^\n");
}
fprintf(stderr, "^\n");
}
tok_free(tok);
return ret;