84 lines
2.3 KiB
Ruby
84 lines
2.3 KiB
Ruby
require 'pathname'
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require 'rake/clean'
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require 'open3'
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M2C = 'gm2' # Modula-2 compiler.
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BOOT_OBJECTS = FileList['boot/*.mod']
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.map do |source|
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Pathname.new(source).basename.sub_ext('.o')
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end
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def source_for_object(out_file)
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path = Pathname.new(out_file).relative_path_from('build')
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result = ['build/boot']
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definition = File.join('boot', path.basename.sub_ext('.def'))
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result << definition if File.exist? definition
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implementation = path.sub_ext('.mod').to_path
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implementation = File.join 'build', implementation unless File.exist? implementation
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result << implementation
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end
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directory 'build/boot'
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directory 'build/self'
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CLEAN.include 'build'
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rule(/build\/.+\.o$/ => ->(file) { source_for_object(file) }) do |t|
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sources = t.prerequisites.filter { |f| f.end_with? '.mod' }
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sh M2C, '-c', '-I', 'boot', '-o', t.name, *sources
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end
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rule(/build\/self\/.+\.mod$/ => [
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'build/self', 'build/boot/Compiler',
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->(file) { File.join('boot', Pathname.new(file).basename) }
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]) do |t|
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sources, compiler = t.prerequisites
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.reject { |f| File.directory? f }
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.partition { |f| f.end_with? '.mod' }
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File.open t.name, 'w' do |output|
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puts
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puts(compiler * ' ')
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Open3.popen2(*compiler) do |cl_in, cl_out|
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cl_in.write File.read(*sources)
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cl_in.close
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IO.copy_stream cl_out, output
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cl_out.close
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end
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end
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end
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['boot', 'self'].each do |sub|
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compiler_binary = Pathname.new('build') + sub + 'Compiler'
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file compiler_binary.to_path => BOOT_OBJECTS.map { |file| File.join('build', sub, file) } do |t|
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sh M2C, '-o', t.name, *t.prerequisites
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end
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compiler_object = compiler_binary.sub_ext('.o')
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file compiler_object.to_path => source_for_object(compiler_object) do |t|
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sources = t.prerequisites.filter { |f| f.end_with? '.mod' }
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sh M2C, '-fscaffold-main', '-c', '-I', 'boot', '-o', t.name, *sources
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end
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end
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task default: 'build/self/Compiler'
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task default: 'build/self/Compiler.mod'
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task default: 'boot/Compiler.mod'
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task :default do |t|
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exe, previous_output, source = t.prerequisites
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cat_arguments = ['cat', source]
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diff_arguments = ['diff', '-Nur', '--text', previous_output, '-']
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puts [cat_arguments * ' ', exe, diff_arguments * ' '].join(' | ')
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Open3.pipeline(cat_arguments, exe, diff_arguments)
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end
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