Class: JRubyVisualizerController

Inherits:
Object
  • Object
show all
Includes:
JRubyFX::Controller
Defined in:
lib/jruby_visualizer/visualizer_main_app.rb

Overview

Usual controller functionality:

* loading fxml file
* forward UI actions to the CompilerData container
* launch other Applications as concurrent tasks

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(compiler_data) ⇒ JRubyVisualizerController

Returns a new instance of JRubyVisualizerController.



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 131

def initialize(compiler_data)
  @compiler_data = compiler_data
  fill_ast_view(@compiler_data.ast_root)
  # bind change of ast to redrawing AST
  @compiler_data.ast_root_property.add_change_listener do |new_ast|
    fill_ast_view(new_ast)
  end
  # bind ruby view to value of ruby_code
  @ruby_view.text_property.bind(@compiler_data.ruby_code_property)

  # enable scrolling to the ruby code on clicks within the AST
  scroll_ruby_to_selected_ast

  # display the IR compiler passes and set the selection to first pass
  @ir_passes_names = CompilerData.compiler_passes_names
  @ir_passes_box.items = FXCollections.observable_array_list(@ir_passes_names)
  @ir_passes_box.value = @selected_ir_pass = @ir_passes_names[0]

  # background tasks for other views
  @ir_view_task = SubAppTask.new(:ir_view)
  @cfg_view_task = SubAppTask.new(:cfg_view)
  @about_task = SubAppTask.new(:about_page)

  # Use ListCell with Delete Context Menu in the view for compile information
  @compile_information.cell_factory = proc { DeletableListCell.new }
  # information property back ended by the list view for compile information
  @information = @compile_information.items
end

Instance Attribute Details

#compiler_data ⇒ Object

Returns the value of attribute compiler_data.



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 129

def compiler_data
  @compiler_data
end

#information ⇒ Object

Returns the value of attribute information.



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 129

def information
  @information
end

Class Method Details

.pixel_height_of_line ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 211

def self.pixel_height_of_line
  monospaced = Java::javafx.scene.text.FontBuilder::create.name('monospaced').size(13).build
  text = Text.new('  JRubyVisualizer.visualize(ruby_code)')
  text.set_font(monospaced)
  text.get_layout_bounds.get_height
end

Instance Method Details

#clear_information_view ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 192

def clear_information_view
  @information.clear
end

#close_app ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 241

def close_app
  Platform.exit
end

#fill_ast_view(root_node) ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 203

def fill_ast_view(root_node)
  # clear view
  @ast_view.root = nil
  # refill it
  tree_builder = ASTTreeViewBuilder.new(@ast_view)
  tree_builder.build_view(root_node)
end

#launch_about ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 267

def launch_about
  worker_state = Java::javafx.concurrent.Worker::State
  state = @about_task.state
  if state == worker_state::READY
    Platform.run_later(@about_task)
  elsif state != worker_state::RUNNING
    @about_task = SubAppTask.new(:about_page)
    Platform.run_later(@about_task)
  end
end

#launch_cfg_view ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 256

def launch_cfg_view
  worker_state = Java::javafx.concurrent.Worker::State
  state = @cfg_view_task.state
  if state == worker_state::READY
    Platform.run_later(@cfg_view_task)
  elsif state != worker_state::RUNNING
    @cfg_view_task = SubAppTask.new(:cfg_view)
    Platform.run_later(@cfg_view_task)
  end
end

#launch_ir_view ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 245

def launch_ir_view
  worker_state = Java::javafx.concurrent.Worker::State
  state = @ir_view_task.state
  if state == worker_state::READY
    Platform.run_later(@ir_view_task)
  elsif state != worker_state::RUNNING
    @ir_view_task = SubAppTask.new(:ir_view)
    Platform.run_later(@ir_view_task)
  end
end

#mark_selected_line(line_number) ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 218

def mark_selected_line(line_number)
  ruby_code = @ruby_view.text
  ruby_lines = ruby_code.lines.to_a
  char_begin = ruby_lines[0...line_number].join.chars.count
  @ruby_view.position_caret(char_begin)
  char_end = ruby_lines[line_number].chars.count + char_begin
  @ruby_view.extend_selection(char_end)
end

#reset_passes ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 196

def reset_passes
  @compiler_data.reset_scheduler
  @selected_ir_pass = @ir_passes_names[0]
  @ir_passes_box.value = @selected_ir_pass
  clear_information_view
end

#run_previous_passes_for_selection ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 164

def run_previous_passes_for_selection
  if @compiler_data.current_pass.nil?
    return # beginning of ir passes
  end
  current_pass_name = CompilerData.pass_to_s(@compiler_data.current_pass)
  select_pass_index = @ir_passes_names.index(@selected_ir_pass)
  current_pass_index = @ir_passes_names.index(current_pass_name)
  if select_pass_index == current_pass_index
    return
  elsif current_pass_index < select_pass_index
    @compiler_data.step_ir_passes
    run_previous_passes_for_selection
  else
    reset_passes
    run_previous_passes_for_selection
  end
end

#scroll_ruby_to_selected_ast ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 227

def scroll_ruby_to_selected_ast
  @ast_view.selection_model.selected_item_property.add_change_listener do |ast_tree_cell|
    start_line = ast_tree_cell.node.position.start_line
    # first mark the line then scroll to it
    mark_selected_line(start_line)
    line_pixels = self.class.pixel_height_of_line
    # calculate the actual height of the current line in pixels
    scroll_to_pixels = line_pixels * start_line
    # scroll to start position of current ast tree cell
    @ruby_view.set_scroll_top(scroll_to_pixels)
  end
  @ast_view.selection_model.set_selected_item(@ast_view.root)
end

#select_ir_pass ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 160

def select_ir_pass
  @selected_ir_pass = @ir_passes_box.value
end

#step_ir_pass ⇒ Object 



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# File 'lib/jruby_visualizer/visualizer_main_app.rb', line 182

def step_ir_pass
  if @compiler_data.next_pass
    run_previous_passes_for_selection
    @compiler_data.step_ir_passes
    @selected_ir_pass = CompilerData.pass_to_s(@compiler_data.current_pass)
    @ir_passes_box.value = @selected_ir_pass
    @information << "Successfully passed #{@selected_ir_pass}"
  end
end