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%printer: promote yyo rather than yyoutput

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* doc/bison.texi: Promote yyo rather than yyoutput.

* data/c.m4, data/glr.cc, tests/types.at, tests/calc.at,
tests/regression.at: Adjust.
This commit is contained in:
Akim Demaille
2018-10-20 10:36:09 +02:00
parent 35068fbe66
commit e7b709ab0b
6 changed files with 40 additions and 39 deletions
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25
doc/bison.texi
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@@ -3193,14 +3193,14 @@ type:
%code requires @{ #include "type1.h" @}
%union @{ type1 field1; @}
%destructor @{ type1_free ($$); @} <field1>
%printer @{ type1_print (yyoutput, $$); @} <field1>
%printer @{ type1_print (yyo, $$); @} <field1>
@end group
@group
%code requires @{ #include "type2.h" @}
%union @{ type2 field2; @}
%destructor @{ type2_free ($$); @} <field2>
%printer @{ type2_print (yyoutput, $$); @} <field2>
%printer @{ type2_print (yyo, $$); @} <field2>
@end group
@end example
@@ -5166,11 +5166,12 @@ Decl, , Freeing Discarded Symbols}).
@deffn {Directive} %printer @{ @var{code} @} @var{symbols}
@findex %printer
@vindex yyo
@vindex yyoutput
@c This is the same text as for %destructor.
Invoke the braced @var{code} whenever the parser displays one of the
@var{symbols}. Within @var{code}, @code{yyoutput} denotes the output stream
(a @code{FILE*} in C, and an @code{std::ostream&} in C++), @code{$$} (or
@var{symbols}. Within @var{code}, @code{yyo} denotes the output stream (a
@code{FILE*} in C, and an @code{std::ostream&} in C++), @code{$$} (or
@code{$<@var{tag}>$}) designates the semantic value associated with the
symbol, and @code{@@$} its location. The additional parser parameters are
also available (@pxref{Parser Function, , The Parser Function
@@ -5195,10 +5196,10 @@ For example:
%type <character> chr
%token TAGLESS
%printer @{ fprintf (yyoutput, "'%c'", $$); @} <character>
%printer @{ fprintf (yyoutput, "&%p", $$); @} <*>
%printer @{ fprintf (yyoutput, "\"%s\"", $$); @} STRING1 string1
%printer @{ fprintf (yyoutput, "<>"); @} <>
%printer @{ fprintf (yyo, "'%c'", $$); @} <character>
%printer @{ fprintf (yyo, "&%p", $$); @} <*>
%printer @{ fprintf (yyo, "\"%s\"", $$); @} STRING1 string1
%printer @{ fprintf (yyo, "<>"); @} <>
@end example
@noindent
@@ -9861,9 +9862,9 @@ prologue:
%define parse.trace
/* Formatting semantic values. */
%printer @{ fprintf (yyoutput, "%s", $$->name); @} VAR;
%printer @{ fprintf (yyoutput, "%s()", $$->name); @} FNCT;
%printer @{ fprintf (yyoutput, "%g", $$); @} <double>;
%printer @{ fprintf (yyo, "%s", $$->name); @} VAR;
%printer @{ fprintf (yyo, "%s()", $$->name); @} FNCT;
%printer @{ fprintf (yyo, "%g", $$); @} <double>;
@end example
The @code{%define} directive instructs Bison to generate run-time trace
@@ -11541,7 +11542,7 @@ regular destructors. All the values are printed using their
@comment file: calc++/parser.yy
@example
%printer @{ yyoutput << $$; @} <*>;
%printer @{ yyo << $$; @} <*>;
@end example
@noindent