Add an argument parser

Rakefile

@@ -4,8 +4,12 @@ require 'open3'
 
 DFLAGS = ['--warn-no-deprecated', '-L/usr/lib64/gcc-12']
 BINARY = 'build/bin/elna'
-TESTS = FileList['tests/*.elna']
-  .map { |test| (Pathname.new('build') + test).sub_ext('').to_path }
+TESTS = FileList['tests/*.elna'].flat_map do |test|
+  build = Pathname.new 'build'
+  asm_test = build + 'asm' + Pathname.new(test).basename('')
+
+  [build + test, asm_test].map { |path| path.sub_ext('').to_path }
+end
 SOURCES = FileList['source/**/*.d']
 
 directory 'build'
@@ -13,22 +17,24 @@ directory 'build'
 CLEAN.include 'build'
 CLEAN.include '.dub'
 
-rule(/build\/tests\/.+/ => ->(file) { test_for_out(file) }) do |t|
+rule(/build\/tests\/[^\/\.]+$/ => ->(file) { test_for_out(file) }) do |t|
+  sh 'gcc', '-o', t.name, "#{t.name}.o"
+end
+
+rule(/build\/asm\/[^\/\.]+$/ => ->(file) { test_for_object(file) }) do |t|
+  Pathname.new(t.name).dirname.mkpath
+  Open3.pipeline [BINARY, t.source], ['gcc', '-x', 'assembler', '-o', t.name,  '-']
+end
+
+rule(/build\/tests\/.+\.o$/ => ->(file) { test_for_object(file) }) do |t|
   Pathname.new(t.name).dirname.mkpath
   sh BINARY, t.source
-  sh 'gcc', '-o', t.name, "#{t.name}.o"
-  # Open3.pipeline [BINARY, t.source], ['gcc', '-x', 'assembler', '-o', t.name,  '-']
 end
 
 file BINARY => SOURCES do |t|
   sh({ 'DFLAGS' => (DFLAGS * ' ') }, 'dub', 'build', '--compiler=gdc-12')
 end
 
-file 'build/tests/sample' => BINARY do |t|
-  sh t.source
-  sh 'gcc', '-o', t.name, 'build/tests/sample.o'
-end
-
 task default: BINARY
 
 desc 'Run all tests and check the results'
@@ -38,7 +44,7 @@ task test: BINARY do
     expected = Pathname
       .new(test)
       .sub_ext('.txt')
-      .sub(/^build\/tests\//, 'tests/expectations/')
+      .sub(/^build\/[[:alpha:]]+\//, 'tests/expectations/')
       .read
       .to_i
 
@@ -48,10 +54,6 @@ task test: BINARY do
 
     fail "#{test}: Expected #{expected}, got #{actual}" unless expected == actual
   end
-
-  # system './build/tests/sample'
-  # actual = $?.exitstatus
-  # fail "./build/tests/sample: Expected 3, got #{actual}" unless 3 == actual
 end
 
 desc 'Run unittest blocks'
@@ -59,11 +61,18 @@ task unittest: SOURCES do |t|
   sh('dub', 'test', '--compiler=gdc-12')
 end
 
-def test_for_out(out_file)
+def test_for_object(out_file)
   test_source = Pathname
     .new(out_file)
     .sub_ext('.elna')
-    .sub(/^build\//, '')
+    .sub(/^build\/[[:alpha:]]+\//, 'tests/')
     .to_path
   [test_source, BINARY]
 end
+
+def test_for_out(out_file)
+  Pathname
+    .new(out_file)
+    .sub_ext('.o')
+    .to_path
+end