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# 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 'open3'
require 'rake/clean'
STAGES = Dir.glob('boot/stage*')
.collect { |stage| File.basename stage }
.sort { |a, b| a.delete_prefix('stage').to_i <=> b.delete_prefix('stage').to_i }
.drop(1) # First assembly stage does not count.
CLOBBER.include 'build'
def run(exe)
ENV.fetch('QEMU', '').split << exe
end
directory 'build'
task default: :boot
desc 'Final stage'
task boot: "build/valid/#{STAGES.last}/cl"
task boot: "boot/#{STAGES.last}/cl.elna" do |t|
groupped = t.prerequisites.group_by { |stage| File.extname stage }.transform_values(&:first)
exe = groupped['']
expected = groupped[''] + '.s'
source = groupped['.elna']
cat_arguments = ['cat', source]
diff_arguments = ['diff', '-Nur', '--text', expected, '-']
Open3.pipeline(cat_arguments, run(exe), diff_arguments)
end
desc 'Convert previous stage language into the current stage language'
task :convert do
File.open('boot/stage23/cl.elna', 'w') do |current_stage|
seen_proc = false
File.readlines('boot/stage22/cl.elna').each do |line|
if line.start_with? 'proc'
seen_proc = true
current_stage << line
elsif seen_proc && line.start_with?('begin')
seen_proc = false
current_stage << line
elsif !seen_proc && line.start_with?('begin')
current_stage << <<~CODE
proc f()
begin
\tprintf("# %.*s %p %i\\n\\0".ptr, "location".length, "location".ptr, "location".ptr, "location".length)
end
CODE
current_stage << line
current_stage << <<~CODE
\tf();
CODE
else
current_stage << line
end
end
end
end
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