Class: GuiDebugger::DebugContext

Inherits:
Object
  • Object
show all
Defined in:
lib/gui_debugger/debug_context.rb

Instance Method Summary collapse

Constructor Details

#initialize(context, callers) ⇒ DebugContext

Returns a new instance of DebugContext.



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# File 'lib/gui_debugger/debug_context.rb', line 4

def initialize(context, callers)
  @context = context
  @callers = callers
end

Instance Method Details

#disp_source(index, range = 10) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 17

def disp_source(index, range = 10)
  target_source = source(index)
  target_line_no = line_no(index)

  min_no = [target_line_no - range, 0].max
  max_no = [target_line_no + range, target_source.count].min
  highlight = (max_no < target_source.count) ? range : target_line_no

  text = target_source[min_no...max_no].join

  CodeRay.scan(text, :ruby).div(line_numbers: :inline, line_number_anchors: false, highlight_lines: [highlight])
end

#disp_stack_frame(index) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 61

def disp_stack_frame(index)
  disp_source(index)
end

#file_path(stack) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 57

def file_path(stack)
  stack.eval("__FILE__")
end

#full_path(stack) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 46

def full_path(stack)
  file_path stack
end

#instance_variable_get(index, val) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 36

def instance_variable_get(index, val)
  str = @callers[index.to_i].eval("instance_variable_get('#{val}').inspect")
  GuiDebugger.escape str
end

#instance_variables(index) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 30

def instance_variables(index)
  vals = @callers[index.to_i].eval("instance_variables")
  arr = vals.select { |val| val.to_s.start_with?("@_") }.sort
  (vals - arr).sort + arr
end

#line_no(index) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 13

def line_no(index)
  @callers[index.to_i].eval("__LINE__")
end

#send_code(index, code) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 65

def send_code(index, code)
  return "" if code.blank?
  @callers[index.to_i].eval(URI.unescape(code)).to_s
end

#short_path(stack) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 50

def short_path(stack)
  file_path(stack).tap do |path|
    Gem.path.each { |dir_path| path.sub!("#{dir_path}/gems/", "") }
    path.sub!("#{Rails.root.to_s}/", "")
  end
end

#source(index) ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 9

def source(index)
  File.readlines(@callers[index.to_i].eval("__FILE__"))
end

#stack_frames ⇒ Object 



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# File 'lib/gui_debugger/debug_context.rb', line 41

def stack_frames
  frames = @callers.map.with_index { |stack, index| { path: short_path(stack), index: index } }
  frames.reject { |frame| frame[:index] == 0 }
end