Module: Kumi::Dev::Parse

Defined in:
lib/kumi/dev/parse.rb

Class Method Summary collapse

Class Method Details

.run(schema_path, opts = {}) ⇒ Object 



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# File 'lib/kumi/dev/parse.rb', line 10

def run(schema_path, opts = {})
  # Load schema via text frontend
  begin
    schema, _inputs = Kumi::Frontends::Text.load(path: schema_path)
  rescue LoadError
    puts "Error: kumi-parser gem not available. Install: gem install kumi-parser"
    return false
  rescue StandardError => e
    puts "Parse error: #{e.message}"
    return false
  end

  # Run analyzer
  runner_opts = opts.slice(:trace, :snap, :snap_dir, :resume_from, :resume_at, :stop_after)
  res = Dev::Runner.run(schema, runner_opts)

  unless res.ok?
    puts "Analysis errors:"
    res.errors.each { |err| puts "  #{err}" }
    return false
  end

  unless res.ir
    puts "Error: No IR generated"
    return false
  end

  # Report trace file if enabled
  puts "Trace written to: #{res.trace_file}" if opts[:trace] && res.respond_to?(:trace_file)

  # Determine file extension and renderer
  extension = opts[:json] ? "json" : "txt"

  file_name = File.basename(schema_path)
  golden_path = File.join(File.dirname(schema_path), "expected", "#{file_name}_ir.#{extension}")

  # Render IR
  rendered = if opts[:json]
               Dev::IR.to_json(res.ir, pretty: true)
             else
               Dev::IR.to_text(res.ir)
             end

  # Handle write mode
  if opts[:write]
    FileUtils.mkdir_p(File.dirname(golden_path))
    File.write(golden_path, rendered)
    puts "Wrote: #{golden_path}"
    return true
  end

  # Handle update mode (write only if different)
  if opts[:update]
    if File.exist?(golden_path) && File.read(golden_path) == rendered
      puts "No changes (#{golden_path})"
      return true
    else
      FileUtils.mkdir_p(File.dirname(golden_path))
      File.write(golden_path, rendered)
      puts "Updated: #{golden_path}"
      return true
    end
  end

  # Handle no-diff mode
  if opts[:no_diff]
    puts rendered
    return true
  end

  # Default: diff mode (same as write but show diff instead)
  if File.exist?(golden_path)
    # Use diff directly with the golden file path
    require "tempfile"
    Tempfile.create(["actual", File.extname(golden_path)]) do |actual_file|
      actual_file.write(rendered)
      actual_file.flush

      result = `diff -u --label=expected --label=actual #{golden_path} #{actual_file.path}`
      if result.empty?
        puts "No changes (#{golden_path})"
        return true
      else
        puts result.chomp
        return false
      end
    end
  else
    # No golden file exists, just print the output
    puts rendered
    true
  end
end