Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-19 17:23:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

doc: correct typo: s/can not/cannot/

Browse Source 
* doc/bison.texinfo (Bug Reports): s/can not/cannot/
And remove trailing blanks.
This commit is contained in:
Jim Meyering
2012-01-16 11:42:55 +01:00
parent 2d404819d0
commit 411614fac4
1 changed files with 9 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
doc/bison.texinfo
View File

@@ -1178,8 +1178,8 @@ Another Bison feature requiring special consideration is @code{YYERROR}
initiate error recovery. initiate error recovery.
During deterministic GLR operation, the effect of @code{YYERROR} is During deterministic GLR operation, the effect of @code{YYERROR} is
the same as its effect in a deterministic parser. the same as its effect in a deterministic parser.
The effect in a deferred action is similar, but the precise point of the The effect in a deferred action is similar, but the precise point of the
error is undefined; instead, the parser reverts to deterministic operation, error is undefined; instead, the parser reverts to deterministic operation,
selecting an unspecified stack on which to continue with a syntax error. selecting an unspecified stack on which to continue with a syntax error.
In a semantic predicate (see @ref{Semantic Predicates}) during nondeterministic In a semantic predicate (see @ref{Semantic Predicates}) during nondeterministic
parsing, @code{YYERROR} silently prunes parsing, @code{YYERROR} silently prunes
@@ -1210,12 +1210,12 @@ widget :
@end smallexample @end smallexample
@noindent @noindent
is one way to allow the same parser to handle two different syntaxes for is one way to allow the same parser to handle two different syntaxes for
widgets. The clause preceded by @code{%?} is treated like an ordinary widgets. The clause preceded by @code{%?} is treated like an ordinary
action, except that its text is treated as an expression and is always action, except that its text is treated as an expression and is always
evaluated immediately (even when in nondeterministic mode). If the evaluated immediately (even when in nondeterministic mode). If the
expression yields 0 (false), the clause is treated as a syntax error, expression yields 0 (false), the clause is treated as a syntax error,
which, in a nondeterministic parser, causes the stack in which it is reduced which, in a nondeterministic parser, causes the stack in which it is reduced
to die. In a deterministic parser, it acts like YYERROR. to die. In a deterministic parser, it acts like YYERROR.
As the example shows, predicates otherwise look like semantic actions, and As the example shows, predicates otherwise look like semantic actions, and
@@ -1226,7 +1226,7 @@ labels.
There is a subtle difference between semantic predicates and ordinary There is a subtle difference between semantic predicates and ordinary
actions in nondeterministic mode, since the latter are deferred. actions in nondeterministic mode, since the latter are deferred.
For example, we could try to rewrite the previous example as For example, we could try to rewrite the previous example as
@smallexample @smallexample
widget : widget :
@@ -1240,7 +1240,7 @@ widget :
false). However, this false). However, this
does @emph{not} have the same effect if @code{new_args} and @code{old_args} does @emph{not} have the same effect if @code{new_args} and @code{old_args}
have overlapping syntax. have overlapping syntax.
Since the mid-rule actions testing @code{new_syntax} are deferred, Since the mid-rule actions testing @code{new_syntax} are deferred,
a GLR parser first encounters the unresolved ambiguous reduction a GLR parser first encounters the unresolved ambiguous reduction
for cases where @code{new_args} and @code{old_args} recognize the same string for cases where @code{new_args} and @code{old_args} recognize the same string
@emph{before} performing the tests of @code{new_syntax}. It therefore @emph{before} performing the tests of @code{new_syntax}. It therefore
@@ -7745,7 +7745,7 @@ that allows variable-length arrays. The default is 200.
Do not allow @code{YYINITDEPTH} to be greater than @code{YYMAXDEPTH}. Do not allow @code{YYINITDEPTH} to be greater than @code{YYMAXDEPTH}.
You can generate a deterministic parser containing C++ user code from You can generate a deterministic parser containing C++ user code from
the default (C) skeleton, as well as from the C++ skeleton the default (C) skeleton, as well as from the C++ skeleton
(@pxref{C++ Parsers}). However, if you do use the default skeleton (@pxref{C++ Parsers}). However, if you do use the default skeleton
and want to allow the parsing stack to grow, and want to allow the parsing stack to grow,
be careful not to use semantic types or location types that require be careful not to use semantic types or location types that require
@@ -10937,7 +10937,7 @@ transcript of the build session, starting with the invocation of
send additional files as well (such as `config.h' or `config.cache'). send additional files as well (such as `config.h' or `config.cache').
Patches are most welcome, but not required. That is, do not hesitate to Patches are most welcome, but not required. That is, do not hesitate to
send a bug report just because you can not provide a fix. send a bug report just because you cannot provide a fix.
Send bug reports to @email{bug-bison@@gnu.org}. Send bug reports to @email{bug-bison@@gnu.org}.