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#!/usr/bin/perl -sw
use Parse::RecDescent;
$grammar = q {
list: <leftop: <matchrule:$arg{rule}> /$arg{sep}/ <matchrule:$arg{rule}> >
function: 'func' ident '(' list[rule=>'param',sep=>';'] ')'
{{ name=>$item{ident}, param=>$item{list} }}
param: list[rule=>'ident',sep=>','] ':' typename
{{ vars=>$item{list}, type=>$item{typename} }}
ident: /\w+/
typename: /\w+/
};
unless( $parser = new Parse::RecDescent( $grammar ))
{
die "bad grammar; bailing\n";
}
while (defined($input = <DATA>))
{
use Data::Dumper;
print Data::Dumper->Dump([$parser->function( $input )]);
}
__DATA__
func f (a,b,c:int; d:float; e,f:string)
func g (x:int)
func h (y;x)