Class: Rubinius::Debugger::Command::SetBreakPoint

Inherits:
Rubinius::Debugger::Command show all
Defined in:
lib/rubinius/debugger/commands.rb

Direct Known Subclasses

SetTempBreakPoint

Instance Method Summary collapse

Methods inherited from Rubinius::Debugger::Command

commands, #current_frame, #current_method, descriptor, ext_help, help, #initialize, #listen, match?, pattern, #run_code, #variables

Methods included from Display

#ask, #crit, #display, #error, #info, #section

Constructor Details

This class inherits a constructor from Rubinius::Debugger::Command

Instance Method Details

#ask_deferred(klass_name, which, name, line) ⇒ Object 



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# File 'lib/rubinius/debugger/commands.rb', line 167

def ask_deferred(klass_name, which, name, line)
  answer = ask "Would you like to defer this breakpoint to later? [y/n] "

  if answer.strip.downcase[0] == ?y
    @debugger.add_deferred_breakpoint(klass_name, which, name, line)
    info "Deferred breakpoint created."
  end
end

#match_method(method_identifier) ⇒ Object

provide this method so it can be overriden for other languages wanting to use this debugger



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# File 'lib/rubinius/debugger/commands.rb', line 123

def match_method(method_identifier)
  /([A-Z]\w*(?:::[A-Z]\w*)*)([.#]|::)([a-zA-Z0-9_\[\]]+[!?=]?)(?:[:](\d+))?(\s+if\s+.*)?/.match(method_identifier)
end

#run(args, temp = false) ⇒ Object 



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# File 'lib/rubinius/debugger/commands.rb', line 127

def run(args, temp=false)
  m = match_method(args)
  unless m
    error "Unrecognized position: '#{args}'"
    return
  end

  klass_name = m[1]
  which      = m[2]
  name       = m[3]
  line       = m[4] ? m[4].to_i : nil
  condition  = m[5] ? m[5].sub(/\A\s+if\s+/, '') : nil

  begin
    klass = run_code(klass_name)
  rescue NameError
    error "Unable to find class/module: #{m[1]}"
    ask_deferred klass_name, which, name, line
    return
  end

  begin
    if which == "#"
      method = klass.instance_method(name)
    else
      method = klass.method(name)
    end
  rescue NameError
    error "Unable to find method '#{name}' in #{klass}"
    ask_deferred klass_name, which, name, line
    return
  end

  bp = @debugger.set_breakpoint_method args.strip, method, line, condition

  bp.set_temp! if temp

  return bp
end