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Remove the so called hairy (semantic) parsers.

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* src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
* src/gram.h, src/gram.c (semantic_parser): Remove.
(rule_t): Remove the guard and guard_line members.
* src/lex.h (token_t): remove tok_guard.
* src/options.c (option_table): Remove %guard and %semantic_parser
support.
* src/output.c, src/output.h (guards_output): Remove.
(prepare): Adjust.
(token_definitions_output): Don't output the `T'
tokens (???).
(output_skeleton): Don't output the guards.
* src/files.c, src/files.c (attrsfile): Remove.
* src/reader.c (symbol_list): Remove the guard and guard_line
members.
Adjust dependencies.
(parse_guard): Remove.
* data/bison.hairy: Remove.
* doc/bison.texinfo (Environment Variables): Remove occurrences of
BISON_HAIRY.
This commit is contained in:
Akim Demaille
2002-05-02 15:06:46 +00:00
parent 64bd62a1be
commit fdbcd8e289
21 changed files with 49 additions and 512 deletions
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8
doc/bison.texinfo
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@@ -5233,7 +5233,6 @@ the output graph filename.
@node Environment Variables
@section Environment Variables
@cindex environment variables
@cindex BISON_HAIRY
@cindex BISON_SIMPLE
Here is a list of environment variables which affect the way Bison
@@ -5241,18 +5240,11 @@ runs.
@table @samp
@item BISON_SIMPLE
@itemx BISON_HAIRY
Much of the parser generated by Bison is copied verbatim from a file
called @file{bison.simple}. If Bison cannot find that file, or if you
would like to direct Bison to use a different copy, setting the
environment variable @code{BISON_SIMPLE} to the path of the file will
cause Bison to use that copy instead.
When the @samp{%semantic-parser} declaration is used, Bison copies from
a file called @file{bison.hairy} instead. The location of this file can
also be specified or overridden in a similar fashion, with the
@code{BISON_HAIRY} environment variable.
@end table
@node Option Cross Key