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examples: do not rely on YY_LOCATION_PRINT

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* examples/c/bistromathic/parse.y (location_print): New.
Use it.
This commit is contained in:
Akim Demaille
2021-01-31 21:28:58 +01:00
parent fdba54a961
commit 96b881094b
1 changed files with 24 additions and 0 deletions
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24
examples/c/bistromathic/parse.y
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@@ -94,6 +94,10 @@
// Emitted in the implementation file.
%code {
// Print *LOC on OUT.
static void location_print (FILE *out, YYLTYPE const * const loc);
#define YY_LOCATION_PRINT(Out, Loc) location_print(Out, &(Loc))
#if defined ENABLE_NLS && ENABLE_NLS
# define _(Msgid) gettext (Msgid)
#else
@@ -269,6 +273,26 @@ symbol_count (void)
}
/*------------.
| Locations. |
`------------*/
// Print *LOC on OUT. Do it in a compact way, that avoids redundancy.
static void
location_print (FILE *out, YYLTYPE const * const loc)
{
fprintf (out, "%d.%d", loc->first_line, loc->first_column);
int end_col = 0 != loc->last_column ? loc->last_column - 1 : 0;
if (loc->first_line < loc->last_line)
fprintf (out, "-%d.%d", loc->last_line, end_col);
else if (loc->first_column < end_col)
fprintf (out, "-%d", end_col);
}
/*----------.
| Scanner. |
`----------*/