# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/. -}
# frozen_string_literal: true

require 'pathname'
require 'rake/clean'

CLEAN.include 'build/gcc'

task source: ['source/main.elna', 'build/gcc/elna'] do |t|
  sources, compiler  = t.prerequisites.partition { |f| f.end_with? '.elna' }

  sh *compiler, '--parse', *sources
end

rule(/gcc\/.+\.o$/ => ->(file) {
  source = Pathname.new('source') +
    Pathname.new(file).relative_path_from('build/gcc').sub_ext('.elna')

  ['build/host/install/bin/gelna', source]
}) do |t|
  Pathname.new(t.name).dirname.mkpath
  sources, compiler = t.prerequisites.partition { |source| source.end_with? '.elna' }

  sh *compiler, '-c', '-O0', '-g', '-o', t.name, *sources
end

file 'build/gcc/elna' => FileList['source/**/*.elna'].reject { |file|
  file != file.downcase
}.map { |file|
  Pathname.new('build/gcc') +
    Pathname.new(file).relative_path_from('source').sub_ext('.o')
} do |t|
  sh 'build/host/install/bin/gcc', '-o', t.name, *t.prerequisites
end