92 lines
2.5 KiB
Raku
92 lines
2.5 KiB
Raku
# Vocabulary generation utilities
|
|
#
|
|
# Copyright (C) 2021 Ngô Ngọc Đức Huy
|
|
#
|
|
# This file is a part of CreLang-corelibs and was cherry-picked for this document.
|
|
#
|
|
# CreLang-corelibs is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# CreLang-corelibs is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with CreLang-corelibs. If not, see <https://www.gnu.org/licenses/>.
|
|
use v6;
|
|
|
|
enum ParseCategoryError <LongLHS EmptyLHS EmptyRHS>;
|
|
|
|
sub get-categories ($raw-input) is export {
|
|
my %categories;
|
|
for $raw-input.lines -> $line {
|
|
next unless $line;
|
|
my ($left, $right) = $line.split("=");
|
|
my $key = $left.trim;
|
|
my @symbols = $right.words;
|
|
die LongLHS if $key.chars > 1;
|
|
die EmptyLHS if $key.chars == 0;
|
|
die EmptyRHS if @symbols.elems == 0;
|
|
%categories{$left.trim} = $right.words;
|
|
}
|
|
return %categories;
|
|
};
|
|
|
|
sub generate-words ($pattern, %categories) is export {
|
|
my @generated-words;
|
|
sub support ($to-do, $so-far) {
|
|
if $to-do.chars == 0 {
|
|
@generated-words.push: $so-far;
|
|
return;
|
|
}
|
|
my $current = $to-do.substr(0, 1);
|
|
my $remainder = $to-do.substr(1);
|
|
|
|
die "Invalid category: $current" unless
|
|
$current ∈ %categories.keys;
|
|
for @(%categories{$current}) -> $char {
|
|
support($remainder, $so-far ~ $char)
|
|
}
|
|
}
|
|
support($pattern, "");
|
|
return @generated-words;
|
|
}
|
|
|
|
sub rewrite ($rules, $word) {
|
|
my $ret = $word;
|
|
for $rules.lines -> $rule {
|
|
my ($left, $right) = $rule.split(",");
|
|
if $word.match($left) {
|
|
$ret = $ret.subst($left, $right)
|
|
}
|
|
}
|
|
return $ret
|
|
}
|
|
|
|
my $category-input = slurp "categories";
|
|
my $rewrite-rules = slurp "rewrite";
|
|
my $categories = get-categories($category-input);
|
|
my @possible-syllables;
|
|
|
|
for "patterns".IO.lines -> $pattern {
|
|
@possible-syllables.append: generate-words($pattern, $categories);
|
|
}
|
|
|
|
sub MAIN($max-syllables, $n-outputs) {
|
|
# my $output = open "output.txt", :w;
|
|
|
|
for (1..$n-outputs) {
|
|
my $word = '';
|
|
my $n-syllables = $max-syllables.rand.ceiling;
|
|
for (1..$n-syllables) {
|
|
$word ~= @possible-syllables[@possible-syllables.elems.rand.floor];
|
|
}
|
|
# $output.say(rewrite($rewrite-rules, $word))
|
|
say rewrite($rewrite-rules, $word)
|
|
}
|
|
# $output.close
|
|
}
|