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(Debugging): Remove YYSTDERR; it's no longer defined or used.

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Also, s/cstdio.h/cstdio/.
This commit is contained in:
Paul Eggert
2002-01-05 01:25:38 +00:00
parent 1109455ce9
commit e2742e46ba
1 changed files with 4 additions and 4 deletions
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8
doc/bison.texinfo
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@@ -4950,13 +4950,13 @@ Summary}). We suggest that you always define @code{YYDEBUG} so that
debugging is always possible.
The trace facility outputs messages with macro calls of the form
@code{YYFPRINTF (YYSTDERR, @var{format}, @var{args})} where
@code{YYFPRINTF (stderr, @var{format}, @var{args})} where
@var{format} and @var{args} are the usual @code{printf} format and
arguments. If you define @code{YYDEBUG} to a nonzero value but do not
define @code{YYFPRINTF}, @code{<stdio.h>} is automatically included
and the macros are defined to @code{fprintf} and @code{stderr}. In
the same situation, C++ parsers include @code{<cstdio.h>} instead, and
use @code{std::fprintf} and @code{std::stderr}.
and @code{YYPRINTF} is defined to @code{fprintf}. In the same
situation, C++ parsers include @code{<cstdio>} and use
@code{std::fprintf} instead.
Once you have compiled the program with trace facilities, the way to
request a trace is to store a nonzero value in the variable @code{yydebug}.