Add %define lr.keep_unreachable_states.

[bison.git] / doc / bison.1

diff --git a/doc/bison.1 b/doc/bison.1
index 93eaf20129908cebe5ff0f2035c036e0801465f3..62c1721edab121d1bedfe0ca9a5293dfb56d9629 100644 (file)
--- a/doc/bison.1
+++ b/doc/bison.1
@@ -24,10 +24,6 @@ bison \- GNU Project parser generator (yacc replacement)
 ] [
 .B \-\-no-lines
 ] [
-.B \-n
-] [
-.B \-\-no-parser
-] [
 .BI \-o " outfile"
 ] [
 .BI \-\-output-file= outfile
@@ -59,6 +55,11 @@ bison \- GNU Project parser generator (yacc replacement)
 .B \-\-fixed-output-files
 ]
 file
+.br
+.B yacc
+[
+.I "similar options and operands"
+]
 .SH DESCRIPTION
 .I Bison
 is a parser generator in the style of
@@ -75,10 +76,10 @@ Unlike
 .IR yacc ,
 the generated files do not have fixed names, but instead use the prefix
 of the input file.
-Moreover, if you need to put 
-.IR C++
+Moreover, if you need to put
+.I C++
 code in the input file, you can end his name by a C++-like extension
-(.ypp or .y++), then bison will follow your extension to name the 
+(.ypp or .y++), then bison will follow your extension to name the
 output file (.cpp or .c++).
 For instance, a grammar description file named
 .B parse.yxx
@@ -86,10 +87,10 @@ would produce the generated parser in a file named
 .BR parse.tab.cxx ,
 instead of
 .IR yacc 's
-.BR y.tab.c 
-or old 
-.IR Bison
-versions
+.B y.tab.c
+or old
+.I Bison
+version's
 .BR parse.tab.c .
 .PP
 This description of the options that can be given to
@@ -122,7 +123,7 @@ Specify a prefix to use for all
 .I bison
 output file names.  The names are
 chosen as if the input file were named
-\fIfile-prefix\fB.c\fR.
+\fIfile-prefix\fP\fB.c\fP.
 .TP
 .B \-d
 .br
@@ -135,10 +136,10 @@ as well as a few
 variable declarations.
 .sp
 If the parser output file is named
-\fIname\fB.c\fR
+.IB name .c
 then this file
 is named
-\fIname\fB.h\fR.
+\fIname\fP\fB.h\fP.
 .sp
 This output file is essential if you wish to put the definition of
 .B yylex
@@ -148,29 +149,29 @@ needs to be able to refer to token type codes and the variable
 .BR yylval .
 .TP
 .BI \-\-defines= defines-file
-The behaviour of
-.BI \-\-defines 
-is the same than 
-.BI \-d 
-option. 
-The only difference is that it has an optionnal argument which is 
+The behavior of
+.B \-\-defines
+is the same than
+.B \-d
+option.
+The only difference is that it has an optional argument which is
 the name of the output filename.
 .TP
 .BI \-g
 .br
 .ns
-Output a VCG definition of the LALR(1) grammar automaton computed by
-Bison. If the grammar file is 
+Output a graph of the grammar automaton computed by
+Bison.  If the grammar file is
 .BR foo.y
-, the VCG output file will be
-.BR foo.vcg .
+, the output file will be
+.BR foo.dot .
 .TP
 .BI \-\-graph= graph-file
-The behaviour of 
-.BI \-\-graph 
+The behavior of
+.BI \-\-graph
 is the same than
 .BI \-g
-option. The only difference is that it has an optionnal argument which 
+option.  The only difference is that it has an optional argument which
 is the name of the output graph filename.
 .TP
 .B \-k
@@ -178,8 +179,10 @@ is the name of the output graph filename.
 .ns
 .TP
 .B \-\-token-table
-This switch causes the \fIname\fB.tab.c\fR output to include a list of
-token names in order by their token numbers;  this is defined in the array
+This switch causes the
+.IB name .tab.c
+output to include a list of
+token names in order by their token numbers; this is defined in the array
 .IR yytname .
 Also generated
 are #defines for
@@ -204,17 +207,6 @@ and debuggers will associate errors with your source file, the
 grammar file.  This option causes them to associate errors with the
 parser file, treating it an independent source file in its own right.
 .TP
-.B \-n
-.br
-.ns
-.TP
-.B \-\-no-parser
-Do not generate the parser code into the output;  generate only
-declarations.  The generated \fIname\fB.tab.c\fR file will have only
-constant declarations.  In addition, a \fIname\fB.act\fR file is
-generated containing a switch statement body containing all the
-translated actions.
-.TP
 .BI \-o " outfile"
 .br
 .ns
@@ -273,7 +265,7 @@ so that the debugging facilities are compiled.
 .TP
 .B \-\-verbose
 Write an extra output file containing verbose descriptions of the
-parser states and what is done for each type of look-ahead token in
+parser states and what is done for each type of lookahead token in
 that state.
 .sp
 This file also describes all the conflicts, both those resolved by
@@ -334,29 +326,16 @@ The purpose of this switch is to imitate
 .IR yacc 's
 output file name conventions.
 Thus, the following shell script can substitute for
+.I yacc
+and is often installed as
 .IR yacc :
 .sp
 .RS
 .ft B
-bison \-y $*
+bison \-y "$@"
 .ft R
 .sp
 .RE
-.SH FILES
-/usr/local/share/bison/bison.simple    simple parser
-.br
-/usr/local/share/bison/bison.hairy     complicated parser
-.SH "ENVIRONMENT VARIABLES"
-.TP
-.SM BISON_SIMPLE
-If this is set, it specifies the location in which the
-.B bison.simple
-parser can be found.
-.TP
-.SM BISON_HAIRY
-If this is set, it specifies the location in which the
-.B bison.hairy
-parser can be found.
 .SH SEE ALSO
 .IR yacc (1)
 .br
@@ -369,3 +348,9 @@ in the
 source distribution.
 .SH DIAGNOSTICS
 Self explanatory.
+.SH COPYRIGHT
+Copyright \(co 2006 Free Software Foundation, Inc.
+.br
+This is free software.  You may redistribute copies of it under the terms of
+the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
+There is NO WARRANTY, to the extent permitted by law.