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yapp (1)
>> yapp (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
NAME
yapp - A perl frontend to the Parse::Yapp module
SYNOPSYS
yapp [options] grammar[.yp]
yapp -V
yapp -h
DESCRIPTION
yapp is a frontend to the Parse::Yapp module, which lets you compile
Parse::Yapp grammar input files into Perl LALR(1) OO parser modules.
OPTIONS
Options, as of today, are all optionals :-)
-v
Creates a file grammar.output describing your parser. It will
show you a summary of conflicts, rules, the DFA (Deterministic
Finite Automaton) states and overall usage of the parser.
-s
Create a standalone module in which the driver is included.
Note that if you have more than one parser module called from
a program, to have it standalone, you need this option only
for one of your parser module.
-n
Disable source file line numbering embedded in your parser module.
I don't know why one should need it, but it's there.
-m module
Gives your parser module the package name (or name space or module name or
class name or whatever-you-call-it) of module. It defaults to grammar
-o outfile
The compiled output file will be named outfile for your parser module.
It defaults to grammar.pm or, if you specified the option
-m A::Module::Name (see below), to Name.pm.
-t filename
The -t filename option allows you to specify a file which should be
used as template for generating the parser output. The default is to
use the internal template defined in Parse::Yapp::Output.pm.
For how to write your own template and which substitutions are available,
have a look to the module Parse::Yapp::Output.pm : it should be obvious.
-b shebang
If you work on systems that understand so called shebangs, and your
generated parser is directly an executable script, you can specifie one
with the -b option, ie:
