Class: Kumi::Core::Analyzer::PassManager

Inherits:
Object
  • Object
show all
Defined in:
lib/kumi/core/analyzer/pass_manager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(passes) ⇒ PassManager

Returns a new instance of PassManager.



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# File 'lib/kumi/core/analyzer/pass_manager.rb', line 9

def initialize(passes)
  @passes = passes
  @errors = []
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/kumi/core/analyzer/pass_manager.rb', line 7

def errors
  @errors
end

#passes ⇒ Object (readonly)

Returns the value of attribute passes.



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# File 'lib/kumi/core/analyzer/pass_manager.rb', line 7

def passes
  @passes
end

Instance Method Details

#run(syntax_tree, initial_state = nil, errors = [], options = {}) ⇒ Object 



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# File 'lib/kumi/core/analyzer/pass_manager.rb', line 14

def run(syntax_tree, initial_state = nil, errors = [], options = {})
  state = initial_state || AnalysisState.new

  passes.each_with_index do |pass_class, phase_index|
    pass_name = pass_class.name.split("::").last

    # Checkpoint support
    Checkpoint.entering(pass_name:, idx: phase_index, state:) if options[:checkpoint_enabled]

    # Debug support
    debug_on = options[:debug_enabled]
    before = state.to_h if debug_on
    Debug.reset_log(pass: pass_name) if debug_on

    # Performance profiling support
    t0 = Process.clock_gettime(Process::CLOCK_MONOTONIC) if options[:profiling_enabled]

    begin
      pass_instance = pass_class.new(syntax_tree, state)

      if options[:profiling_enabled]
        state = Dev::Profiler.phase("analyzer.pass", pass: pass_name) do
          pass_instance.run(errors)
        end
      else
        state = pass_instance.run(errors)
      end
    rescue StandardError => e
      # Capture exception context
      message = "Error in Analysis Pass(#{pass_name}): #{e.message}"
      error_obj = ErrorReporter.create_error(message, location: nil, type: :semantic, backtrace: e.backtrace)
      errors << error_obj

      if debug_on
        logs = Debug.drain_log
        elapsed_ms = ((Process.clock_gettime(Process::CLOCK_MONOTONIC) - t0) * 1000).round(2) if options[:profiling_enabled]
        Debug.emit(
          pass: pass_name,
          diff: {},
          elapsed_ms: elapsed_ms || 0,
          logs: logs + [{ level: :error, id: :exception, message: e.message, error_class: e.class.name }]
        )
      end

      # Return failure result instead of raising - let caller decide what to do
      phase = ExecutionPhase.new(pass_class: pass_class, index: phase_index)
      converted_error = PassFailure.new(
        message: error_obj.message,
        phase: phase_index,
        pass_name: phase.pass_name,
        location: error_obj.location
      )
      return ExecutionResult.failure(
        final_state: state,
        errors: [converted_error],
        failed_at_phase: phase_index
      )
    end

    # Type checking (PassManager enforces AnalysisState)
    unless state.is_a?(AnalysisState)
      raise "Pass #{pass_name} returned #{state.class}, expected AnalysisState"
    end

    # Debug logging with state diff
    if debug_on
      after = state.to_h

      # Optional immutability guard
      if ENV["KUMI_DEBUG_REQUIRE_FROZEN"] == "1"
        (after || {}).each do |k, v|
          if v.nil? || v.is_a?(Numeric) || v.is_a?(Symbol) || v.is_a?(TrueClass) || v.is_a?(FalseClass) || (v.is_a?(String) && v.frozen?)
            next
          end
          raise "State[#{k}] not frozen: #{v.class}" unless v.frozen?
        end
      end

      diff = Debug.diff_state(before, after)
      logs = Debug.drain_log
      elapsed_ms = ((Process.clock_gettime(Process::CLOCK_MONOTONIC) - t0) * 1000).round(2) if options[:profiling_enabled]

      Debug.emit(
        pass: pass_name,
        diff: diff,
        elapsed_ms: elapsed_ms || 0,
        logs: logs
      )
    end

    # Checkpoint support
    Checkpoint.leaving(pass_name:, idx: phase_index, state:) if options[:checkpoint_enabled]

    # Handle errors
    if !errors.empty?
      phase = ExecutionPhase.new(pass_class: pass_class, index: phase_index)
      converted_errors = errors.map do |error|
        PassFailure.new(
          message: error.message,
          phase: phase_index,
          pass_name: phase.pass_name,
          location: error.respond_to?(:location) ? error.location : nil
        )
      end
      return ExecutionResult.failure(
        final_state: state,
        errors: converted_errors,
        failed_at_phase: phase_index
      )
    end

    # Check stop_after
    if options[:stop_after] && pass_name == options[:stop_after]
      return ExecutionResult.success(final_state: state, stopped: true)
    end
  end

  ExecutionResult.success(final_state: state)
end