Make PPerror message more verbose:
give hint to buggy line segment
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parent
064bd39a2f
commit
e6fdf5f7e2
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@ -27,6 +27,8 @@
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while (0)
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static void PPerror (YYLTYPE *locp, char **line, struct pnode **retval, char const *);
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static char *keepline;
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%}
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%name-prefix "PP"
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@ -96,6 +98,7 @@
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{
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$$.num = 0.0;
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yylloc.start = yylloc.stop = NULL;
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keepline = *line;
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};
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%%
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@ -170,6 +173,8 @@ PPerror (YYLTYPE *locp, char **line, struct pnode **retval, char const *s)
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NG_IGNORE(locp);
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NG_IGNORE(line);
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NG_IGNORE(retval);
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fprintf (stderr, "%s: %s\n", __func__, s);
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char *tmpstr = strstr(keepline, *line);
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size_t len = strlen(keepline);
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fprintf (stderr, "%s: %s in line segment\n %s\nnear\n %*s\n",
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__func__, s, keepline, len, strstr(keepline, *line));
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}
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