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Support a file name argument to %defines. Deprecate `=' in

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%file-prefix, %name-prefix, and %output.  Discussed at
<http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
* NEWS (2.3a+): Mention.
* doc/bison.texinfo (Decl Summary, Bison Symbols): Add entry for new
form of %defines, and remove `=' from entries for %file-prefix,
%name-prefix, and %output.
* src/parse-gram.y (prologue_declaration): Implement.
* tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
all but one occurrence of %name-prefix.
* tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
* tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
* tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
occurrence of each of %file-prefix and %output.  Add check for %defines
with argument.
* tests/reduce.at (Useless Terminals, Useless Nonterminals,
Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
Remove the `=' from %output.
This commit is contained in:
Joel E. Denny
2006-12-02 01:52:16 +00:00
parent 287b314eef
commit 02975b9aad
10 changed files with 535 additions and 445 deletions
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22
ChangeLog
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@@ -1,3 +1,25 @@
2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
Support a file name argument to %defines. Deprecate `=' in
%file-prefix, %name-prefix, and %output. Discussed at
<http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
* NEWS (2.3a+): Mention.
* doc/bison.texinfo (Decl Summary, Bison Symbols): Add entry for new
form of %defines, and remove `=' from entries for %file-prefix,
%name-prefix, and %output.
* src/parse-gram.y (prologue_declaration): Implement.
* tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
all but one occurrence of %name-prefix.
* tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
* tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
* tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
occurrence of each of %file-prefix and %output. Add check for %defines
with argument.
* tests/reduce.at (Useless Terminals, Useless Nonterminals,
Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
Remove the `=' from %output.
2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu> 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
Don't escape $ in test case titles since Autoconf 2.61 now does that Don't escape $ in test case titles since Autoconf 2.61 now does that

12
NEWS
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@@ -6,6 +6,18 @@ Changes in version 2.3a+ (????-??-??):
* The -g and --graph options now output graphs in Graphviz DOT format, * The -g and --graph options now output graphs in Graphviz DOT format,
not VCG format. not VCG format.
* The grammar file may now specify the name of the parser header file using
%defines. For example:
%defines "parser.h"
* The `=' that used to be required in the following declarations is now
deprecated:
%file-prefix "parser"
%name-prefix "c_"
%output "parser.c"
* Revised warning: unset or unused mid-rule values * Revised warning: unset or unused mid-rule values
Since Bison 2.2, Bison has warned about mid-rule values that are set but not Since Bison 2.2, Bison has warned about mid-rule values that are set but not

25
doc/bison.texinfo
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@@ -4598,12 +4598,16 @@ header also contains their code.
@xref{Table of Symbols, ,%requires}. @xref{Table of Symbols, ,%requires}.
@end deffn @end deffn
@deffn {Directive} %defines @var{defines-file}
Same as above, but save in the file @var{defines-file}.
@end deffn
@deffn {Directive} %destructor @deffn {Directive} %destructor
Specify how the parser should reclaim the memory associated to Specify how the parser should reclaim the memory associated to
discarded symbols. @xref{Destructor Decl, , Freeing Discarded Symbols}. discarded symbols. @xref{Destructor Decl, , Freeing Discarded Symbols}.
@end deffn @end deffn
@deffn {Directive} %file-prefix="@var{prefix}" @deffn {Directive} %file-prefix "@var{prefix}"
Specify a prefix to use for all Bison output file names. The names are Specify a prefix to use for all Bison output file names. The names are
chosen as if the input file were named @file{@var{prefix}.y}. chosen as if the input file were named @file{@var{prefix}.y}.
@end deffn @end deffn
@@ -4616,14 +4620,14 @@ grammar does not use it, using @samp{%locations} allows for more
accurate syntax error messages. accurate syntax error messages.
@end deffn @end deffn
@deffn {Directive} %name-prefix="@var{prefix}" @deffn {Directive} %name-prefix "@var{prefix}"
Rename the external symbols used in the parser so that they start with Rename the external symbols used in the parser so that they start with
@var{prefix} instead of @samp{yy}. The precise list of symbols renamed @var{prefix} instead of @samp{yy}. The precise list of symbols renamed
in C parsers in C parsers
is @code{yyparse}, @code{yylex}, @code{yyerror}, @code{yynerrs}, is @code{yyparse}, @code{yylex}, @code{yyerror}, @code{yynerrs},
@code{yylval}, @code{yychar}, @code{yydebug}, and @code{yylval}, @code{yychar}, @code{yydebug}, and
(if locations are used) @code{yylloc}. For example, if you use (if locations are used) @code{yylloc}. For example, if you use
@samp{%name-prefix="c_"}, the names become @code{c_parse}, @code{c_lex}, @samp{%name-prefix "c_"}, the names become @code{c_parse}, @code{c_lex},
and so on. In C++ parsers, it is only the surrounding namespace which is and so on. In C++ parsers, it is only the surrounding namespace which is
named @var{prefix} instead of @samp{yy}. named @var{prefix} instead of @samp{yy}.
@xref{Multiple Parsers, ,Multiple Parsers in the Same Program}. @xref{Multiple Parsers, ,Multiple Parsers in the Same Program}.
@@ -4656,7 +4660,7 @@ associate errors with the parser file, treating it an independent source
file in its own right. file in its own right.
@end deffn @end deffn
@deffn {Directive} %output="@var{file}" @deffn {Directive} %output "@var{file}"
Specify @var{file} for the parser file. Specify @var{file} for the parser file.
@end deffn @end deffn
@@ -7265,7 +7269,7 @@ Pretend that @code{%locations} was specified. @xref{Decl Summary}.
@item -p @var{prefix} @item -p @var{prefix}
@itemx --name-prefix=@var{prefix} @itemx --name-prefix=@var{prefix}
Pretend that @code{%name-prefix="@var{prefix}"} was specified. Pretend that @code{%name-prefix "@var{prefix}"} was specified.
@xref{Decl Summary}. @xref{Decl Summary}.
@item -l @item -l
@@ -8653,6 +8657,11 @@ Bison declaration to create a header file meant for the scanner.
@xref{Decl Summary}. @xref{Decl Summary}.
@end deffn @end deffn
@deffn {Directive} %defines @var{defines-file}
Same as above, but save in the file @var{defines-file}.
@xref{Decl Summary}.
@end deffn
@deffn {Directive} %destructor @deffn {Directive} %destructor
Specify how the parser should reclaim the memory associated to Specify how the parser should reclaim the memory associated to
discarded symbols. @xref{Destructor Decl, , Freeing Discarded Symbols}. discarded symbols. @xref{Destructor Decl, , Freeing Discarded Symbols}.
@@ -8685,7 +8694,7 @@ Bison declaration to request verbose, specific error message strings
when @code{yyerror} is called. when @code{yyerror} is called.
@end deffn @end deffn
@deffn {Directive} %file-prefix="@var{prefix}" @deffn {Directive} %file-prefix "@var{prefix}"
Bison declaration to set the prefix of the output files. @xref{Decl Bison declaration to set the prefix of the output files. @xref{Decl
Summary}. Summary}.
@end deffn @end deffn
@@ -8717,7 +8726,7 @@ function is applied to the two semantic values to get a single result.
@xref{GLR Parsers, ,Writing @acronym{GLR} Parsers}. @xref{GLR Parsers, ,Writing @acronym{GLR} Parsers}.
@end deffn @end deffn
@deffn {Directive} %name-prefix="@var{prefix}" @deffn {Directive} %name-prefix "@var{prefix}"
Bison declaration to rename the external symbols. @xref{Decl Summary}. Bison declaration to rename the external symbols. @xref{Decl Summary}.
@end deffn @end deffn
@@ -8739,7 +8748,7 @@ Bison declaration to assign nonassociativity to token(s).
@xref{Precedence Decl, ,Operator Precedence}. @xref{Precedence Decl, ,Operator Precedence}.
@end deffn @end deffn
@deffn {Directive} %output="@var{file}" @deffn {Directive} %output "@var{file}"
Bison declaration to set the name of the parser file. @xref{Decl Bison declaration to set the name of the parser file. @xref{Decl
Summary}. Summary}.
@end deffn @end deffn

839
src/parse-gram.c
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File diff suppressed because it is too large Load Diff

14
src/parse-gram.y
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@@ -226,10 +226,16 @@ prologue_declaration:
| "%debug" { debug_flag = true; } | "%debug" { debug_flag = true; }
| "%define" STRING content.opt { muscle_insert ($2, $3); } | "%define" STRING content.opt { muscle_insert ($2, $3); }
| "%defines" { defines_flag = true; } | "%defines" { defines_flag = true; }
| "%defines" STRING
{
defines_flag = true;
spec_defines_file = xstrdup ($2);
}
| "%error-verbose" { error_verbose = true; } | "%error-verbose" { error_verbose = true; }
| "%expect" INT { expected_sr_conflicts = $2; } | "%expect" INT { expected_sr_conflicts = $2; }
| "%expect-rr" INT { expected_rr_conflicts = $2; } | "%expect-rr" INT { expected_rr_conflicts = $2; }
| "%file-prefix" "=" STRING { spec_file_prefix = $3; } | "%file-prefix" STRING { spec_file_prefix = $2; }
| "%file-prefix" "=" STRING { spec_file_prefix = $3; } /* deprecated */
| "%glr-parser" | "%glr-parser"
{ {
nondeterministic_parser = true; nondeterministic_parser = true;
@@ -241,10 +247,12 @@ prologue_declaration:
} }
| "%lex-param" "{...}" { add_param ("lex_param", $2, @2); } | "%lex-param" "{...}" { add_param ("lex_param", $2, @2); }
| "%locations" { locations_flag = true; } | "%locations" { locations_flag = true; }
| "%name-prefix" "=" STRING { spec_name_prefix = $3; } | "%name-prefix" STRING { spec_name_prefix = $2; }
| "%name-prefix" "=" STRING { spec_name_prefix = $3; } /* deprecated */
| "%no-lines" { no_lines_flag = true; } | "%no-lines" { no_lines_flag = true; }
| "%nondeterministic-parser" { nondeterministic_parser = true; } | "%nondeterministic-parser" { nondeterministic_parser = true; }
| "%output" "=" STRING { spec_outfile = $3; } | "%output" STRING { spec_outfile = $2; }
| "%output" "=" STRING { spec_outfile = $3; } /* deprecated */
| "%parse-param" "{...}" { add_param ("parse_param", $2, @2); } | "%parse-param" "{...}" { add_param ("parse_param", $2, @2); }
| "%pure-parser" { pure_parser = true; } | "%pure-parser" { pure_parser = true; }
| "%push-parser" { push_parser = true; } | "%push-parser" { push_parser = true; }

38
tests/calc.at
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@@ -556,7 +556,7 @@ AT_CHECK_CALC_LALR()
AT_CHECK_CALC_LALR([%defines]) AT_CHECK_CALC_LALR([%defines])
AT_CHECK_CALC_LALR([%locations]) AT_CHECK_CALC_LALR([%locations])
AT_CHECK_CALC_LALR([%name-prefix="calc"]) AT_CHECK_CALC_LALR([%name-prefix="calc"]) dnl test deprecated `='
AT_CHECK_CALC_LALR([%verbose]) AT_CHECK_CALC_LALR([%verbose])
AT_CHECK_CALC_LALR([%yacc]) AT_CHECK_CALC_LALR([%yacc])
AT_CHECK_CALC_LALR([%error-verbose]) AT_CHECK_CALC_LALR([%error-verbose])
@@ -565,15 +565,15 @@ AT_CHECK_CALC_LALR([%pure-parser %locations])
AT_CHECK_CALC_LALR([%push-parser %locations]) AT_CHECK_CALC_LALR([%push-parser %locations])
AT_CHECK_CALC_LALR([%error-verbose %locations]) AT_CHECK_CALC_LALR([%error-verbose %locations])
AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR([%debug]) AT_CHECK_CALC_LALR([%debug])
AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR([%push-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_LALR([%push-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
# ----------------------- # # ----------------------- #
@@ -594,7 +594,7 @@ AT_CHECK_CALC_GLR()
AT_CHECK_CALC_GLR([%defines]) AT_CHECK_CALC_GLR([%defines])
AT_CHECK_CALC_GLR([%locations]) AT_CHECK_CALC_GLR([%locations])
AT_CHECK_CALC_GLR([%name-prefix="calc"]) AT_CHECK_CALC_GLR([%name-prefix "calc"])
AT_CHECK_CALC_GLR([%verbose]) AT_CHECK_CALC_GLR([%verbose])
AT_CHECK_CALC_GLR([%yacc]) AT_CHECK_CALC_GLR([%yacc])
AT_CHECK_CALC_GLR([%error-verbose]) AT_CHECK_CALC_GLR([%error-verbose])
@@ -602,14 +602,14 @@ AT_CHECK_CALC_GLR([%error-verbose])
AT_CHECK_CALC_GLR([%pure-parser %locations]) AT_CHECK_CALC_GLR([%pure-parser %locations])
AT_CHECK_CALC_GLR([%error-verbose %locations]) AT_CHECK_CALC_GLR([%error-verbose %locations])
AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR([%debug]) AT_CHECK_CALC_GLR([%debug])
AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
# ----------------------------- # # ----------------------------- #
@@ -626,13 +626,13 @@ m4_define([AT_CHECK_CALC_LALR1_CC],
[AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations] $@)]) [AT_CHECK_CALC([%skeleton "lalr1.cc" %defines %locations] $@)])
AT_CHECK_CALC_LALR1_CC([]) AT_CHECK_CALC_LALR1_CC([])
AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_LALR1_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
@@ -650,11 +650,11 @@ m4_define([AT_CHECK_CALC_GLR_CC],
[AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations] $@)]) [AT_CHECK_CALC([%skeleton "glr.cc" %defines %locations] $@)])
AT_CHECK_CALC_GLR_CC([]) AT_CHECK_CALC_GLR_CC([])
AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_GLR_CC([%error-verbose %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR_CC([%debug]) AT_CHECK_CALC_GLR_CC([%debug])
AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_GLR_CC([%error-verbose %debug %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc]) AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc])
AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}]) AT_CHECK_CALC_GLR_CC([%pure-parser %error-verbose %debug %name-prefix "calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])

2
tests/headers.at
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@@ -89,7 +89,7 @@ AT_SETUP([export YYLTYPE])
AT_DATA_GRAMMAR([input.y], AT_DATA_GRAMMAR([input.y],
[%locations [%locations
%name-prefix="my_" %name-prefix "my_"
%{ %{
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>

4
tests/local.at
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@@ -64,8 +64,8 @@ m4_pushdef([AT_PURE_AND_LOC_IF],
m4_pushdef([AT_GLR_OR_PARAM_IF], m4_pushdef([AT_GLR_OR_PARAM_IF],
[m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])]) [m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])])
m4_pushdef([AT_NAME_PREFIX], m4_pushdef([AT_NAME_PREFIX],
[m4_bmatch([$3], [%name-prefix=".*"], [m4_bmatch([$3], [%name-prefix ".*"],
[m4_bregexp([$3], [name-prefix="\([^"]*\)"], [\1])], [m4_bregexp([$3], [name-prefix "\([^"]*\)"], [\1])],
[yy])]) [yy])])
# yyerror receives the location if %location & %pure & (%glr or %parse-param). # yyerror receives the location if %location & %pure & (%glr or %parse-param).
m4_pushdef([AT_YYERROR_ARG_LOC_IF], m4_pushdef([AT_YYERROR_ARG_LOC_IF],

10
tests/output.at
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@@ -64,13 +64,13 @@ AT_CHECK_OUTPUT([foo.y], [%defines %verbose %yacc],[],
AT_CHECK_OUTPUT([foo.yy], [%defines %verbose %yacc],[], AT_CHECK_OUTPUT([foo.yy], [%defines %verbose %yacc],[],
[y.output y.tab.c y.tab.h]) [y.output y.tab.c y.tab.h])
# Exercise %output and %file-prefix # Exercise %output and %file-prefix including deprecated `='
AT_CHECK_OUTPUT([foo.y], [%file-prefix="bar" %defines %verbose], [], AT_CHECK_OUTPUT([foo.y], [%file-prefix "bar" %defines %verbose], [],
[bar.output bar.tab.c bar.tab.h]) [bar.output bar.tab.c bar.tab.h])
AT_CHECK_OUTPUT([foo.y], [%output="bar.c" %defines %verbose %yacc],[], AT_CHECK_OUTPUT([foo.y], [%output="bar.c" %defines %verbose %yacc],[],
[bar.output bar.c bar.h]) [bar.output bar.c bar.h])
AT_CHECK_OUTPUT([foo.y], AT_CHECK_OUTPUT([foo.y],
[%file-prefix="baz" %output="bar.c" %defines %verbose %yacc], [%file-prefix="baz" %output "bar.c" %defines %verbose %yacc],
[], [],
[bar.output bar.c bar.h]) [bar.output bar.c bar.h])
@@ -86,6 +86,10 @@ AT_CHECK_OUTPUT([foo.yy], [],
[--defines=foo.hpp -o foo.c++], [--defines=foo.hpp -o foo.c++],
[foo.c++ foo.hpp]) [foo.c++ foo.hpp])
AT_CHECK_OUTPUT([foo.yy], [%defines "foo.hpp"],
[-o foo.c++],
[foo.c++ foo.hpp])
AT_CHECK_OUTPUT([foo.yy], [], AT_CHECK_OUTPUT([foo.yy], [],
[-o foo.c++ --graph=foo.gph], [-o foo.c++ --graph=foo.gph],
[foo.c++ foo.gph]) [foo.c++ foo.gph])

14
tests/reduce.at
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@@ -27,7 +27,7 @@ AT_SETUP([Useless Terminals])
AT_DATA([[input.y]], AT_DATA([[input.y]],
[[%verbose [[%verbose
%output="input.c" %output "input.c"
%token useless1 %token useless1
%token useless2 %token useless2
@@ -71,7 +71,7 @@ AT_SETUP([Useless Nonterminals])
AT_DATA([[input.y]], AT_DATA([[input.y]],
[[%verbose [[%verbose
%output="input.c" %output "input.c"
%nterm useless1 %nterm useless1
%nterm useless2 %nterm useless2
@@ -128,7 +128,7 @@ AT_KEYWORDS([report])
AT_DATA([[input.y]], AT_DATA([[input.y]],
[[%verbose [[%verbose
%output="input.c" %output "input.c"
%token useful %token useful
%% %%
exp: useful; exp: useful;
@@ -221,7 +221,7 @@ AT_DATA([[not-reduced.y]],
/* A useful one. */ /* A useful one. */
%token useful %token useful
%verbose %verbose
%output="not-reduced.c" %output "not-reduced.c"
%% %%
@@ -267,7 +267,7 @@ AT_DATA([[reduced.y]],
/* A useful one. */ /* A useful one. */
%token useful %token useful
%verbose %verbose
%output="reduced.c" %output "reduced.c"
%% %%
@@ -304,7 +304,7 @@ AT_KEYWORDS([report])
AT_DATA([[input.y]], AT_DATA([[input.y]],
[[%verbose [[%verbose
%output="input.c" %output "input.c"
%token useful %token useful
%% %%
exp: useful | underivable; exp: useful | underivable;
@@ -342,7 +342,7 @@ AT_CLEANUP
AT_SETUP([Empty Language]) AT_SETUP([Empty Language])
AT_DATA([[input.y]], AT_DATA([[input.y]],
[[%output="input.c" [[%output "input.c"
%% %%
exp: exp; exp: exp;
]]) ]])