Class: Debugger::XmlPrinter

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-debug-ide/xml_printer.rb

Overview

:nodoc:

Defined Under Namespace

Classes: ExceptionProxy

Constant Summary collapse

@@monitor = 
Monitor.new

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(interface) ⇒ XmlPrinter

Returns a new instance of XmlPrinter.



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 39

def initialize(interface)
  @interface = interface
end

Instance Attribute Details

#interface ⇒ Object

Returns the value of attribute interface.



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 37

def interface
  @interface
end

Class Method Details

.protect(mname) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 23

def self.protect(mname)
  return if instance_methods.include?("__#{mname}")
  alias_method "__#{mname}", mname
  class_eval %{
    def #{mname}(*args, &block)
      @@monitor.synchronize do
        return unless @interface
        __#{mname}(*args, &block)
      end
    end
  }
end

Instance Method Details

#build_compact_name(value_str, value) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 182

def build_compact_name(value_str, value)
  compact = value_str
  if value.is_a?(Array)
    slice = value[0..10]
    compact = slice.inspect
    if value.size != slice.size
      compact = compact[0..compact.size-2] + ", ...]"
    end
  end
  if value.is_a?(Hash)
    slice = value.sort_by { |k, _| k.to_s }[0..5]
    compact = slice.map {|kv| "#{kv[0]}: #{handle_binary_data(kv[1])}"}.join(", ")
    compact = "{" + compact + (slice.size != value.size ? ", ..." : "") + "}"
  end
  compact
end

#print_array(array) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 107

def print_array(array)
  print_element("variables") do
    index = 0 
    array.each { |e|
      print_variable('[' + index.to_s + ']', e, 'instance') 
      index += 1 
    }
  end
end

#print_at_line(context, file, line) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 300

def print_at_line(context, file, line)
  print "<suspended file=\'%s\' line=\'%s\' threadId=\'%d\' frames=\'%d\'/>",
    File.expand_path(file), line, context.thnum, context.stack_size
end

#print_breakpoint(_, breakpoint) ⇒ Object

Events



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 283

def print_breakpoint(_, breakpoint)
  print("<breakpoint file=\"%s\" line=\"%s\" threadId=\"%d\"/>", 
  breakpoint.source, breakpoint.pos, Debugger.current_context.thnum)
end

#print_breakpoint_added(b) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 207

def print_breakpoint_added(b)
  print "<breakpointAdded no=\"%s\" location=\"%s:%s\"/>", b.id, b.source, b.pos
end

#print_breakpoint_deleted(b) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 211

def print_breakpoint_deleted(b)
  print "<breakpointDeleted no=\"%s\"/>", b.id
end

#print_breakpoint_disabled(b) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 219

def print_breakpoint_disabled(b)
  print "<breakpointDisabled bp_id=\"%s\"/>", b.id
end

#print_breakpoint_enabled(b) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 215

def print_breakpoint_enabled(b)
  print "<breakpointEnabled bp_id=\"%s\"/>", b.id
end

#print_breakpoints(breakpoints) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 199

def print_breakpoints(breakpoints)
  print_element 'breakpoints' do
    breakpoints.sort_by{|b| b.id }.each do |b|
      print "<breakpoint n=\"%d\" file=\"%s\" line=\"%s\" />", b.id, b.source, b.pos.to_s
    end
  end
end

#print_catchpoint(exception) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 288

def print_catchpoint(exception)
  context = Debugger.current_context
  print("<exception file=\"%s\" line=\"%s\" type=\"%s\" message=\"%s\" threadId=\"%d\"/>", 
  context.frame_file(0), context.frame_line(0), exception.class, CGI.escapeHTML(exception.to_s), context.thnum)
end

#print_catchpoint_set(exception_class_name) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 227

def print_catchpoint_set(exception_class_name)
  print "<catchpointSet exception=\"%s\"/>", exception_class_name
end

#print_contdition_set(bp_id) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 223

def print_contdition_set(bp_id)
  print "<conditionSet bp_id=\"%d\"/>", bp_id
end

#print_context(context) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 93

def print_context(context)
  print "<thread id=\"%s\" status=\"%s\" pid=\"%s\" #{current_thread_attr(context)}/>", context.thnum, context.thread.status, Process.pid
end

#print_contexts(contexts) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 85

def print_contexts(contexts)
  print_element("threads") do
    contexts.each do |c|
      print_context(c) unless c.ignored?
    end
  end
end

#print_current_frame(frame_pos) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 74

def print_current_frame(frame_pos)
  print_debug "Selected frame no #{frame_pos}"
end

#print_debug(*args) ⇒ Object

Sends debug message to the frontend if XML debug logging flag (–xml-debug) is on.



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 50

def print_debug(*args)
  Debugger.print_debug(*args)
  if Debugger.xml_debug
    msg, *args = args
    xml_message = CGI.escapeHTML(msg % args)
    @interface.print("<message debug='true'>#{xml_message}</message>")
  end
end

#print_element(name) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 330

def print_element(name)
  print("<#{name}>")
  begin
    yield
  ensure
    print("</#{name}>")
  end
end

#print_error(*args) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 59

def print_error(*args)
  print_element("error") do
    msg, *args = args
    print CGI.escapeHTML(msg % args)
  end
end

#print_eval(exp, value) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 248

def print_eval(exp, value)
  print "<eval expression=\"%s\" value=\"%s\" />",  CGI.escapeHTML(exp), value
end

#print_exception(exception, _) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 305

def print_exception(exception, _)
  print_element("variables") do
    proxy = ExceptionProxy.new(exception)
    InspectCommand.reference_result(proxy)
    print_variable('error', proxy, 'exception')
  end
rescue Exception
  print "<processingException type=\"%s\" message=\"%s\"/>", 
    exception.class, CGI.escapeHTML(exception.to_s)
end

#print_expression(exp, value, idx) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 239

def print_expression(exp, value, idx)
  print "<dispay name=\"%s\" value=\"%s\" no=\"%d\" />", exp, value, idx
end

#print_expression_info(incomplete, prompt, indent) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 243

def print_expression_info(incomplete, prompt, indent)
  print "<expressionInfo incomplete=\"%s\" prompt=\"%s\" indent=\"%s\"></expressionInfo>",
    incomplete, CGI.escapeHTML(prompt), indent
end

#print_expressions(exps) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 231

def print_expressions(exps)
  print_element "expressions" do
    exps.each_with_index do |(exp, value), idx|
      print_expression(exp, value, idx+1)
    end
  end unless exps.empty?
end

#print_frame(context, frame_id, current_frame_id) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 78

def print_frame(context, frame_id, current_frame_id)
  # idx + 1: one-based numbering as classic-debugger
  file = context.frame_file(frame_id)
  print "<frame no=\'%s\' file=\'%s\' line=\'%s\' #{"current='true' " if frame_id == current_frame_id}/>",
    frame_id + 1, File.expand_path(file), context.frame_line(frame_id)
end

#print_frames(context, current_frame_id) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 66

def print_frames(context, current_frame_id)
  print_element("frames") do
    (0...context.stack_size).each do |id|
      print_frame(context, id, current_frame_id)
    end
  end
end

#print_hash(hash) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 117

def print_hash(hash)
  print_element("variables") do
    hash.keys.each { | k |
      if k.class.name == "String"
        name = '\'' + k + '\''
      else
        name = k.to_s
      end
      print_variable(name, hash[k], 'instance') 
    }
  end
end

#print_inspect(eval_result) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 316

def print_inspect(eval_result)
  print_element("variables") do 
    print_variable("eval_result", eval_result, 'local')
  end
end

#print_list(b, e, file, line) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 256

def print_list(b, e, file, line)
  print "[%d, %d] in %s\n", b, e, file
  if (lines = Debugger.source_for(file))
    b.upto(e) do |n|
      if n > 0 && lines[n-1]
        if n == line
          print "=> %d  %s\n", n, lines[n-1].chomp
        else
          print "   %d  %s\n", n, lines[n-1].chomp
        end
      end
    end
  else
    print "No source-file available for %s\n", file
  end
end

#print_load_result(file, exception = nil) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 322

def print_load_result(file, exception=nil)
  if exception
    print("<loadResult file=\"%s\" exceptionType=\"%s\" exceptionMessage=\"%s\"/>", file, exception.class, CGI.escapeHTML(exception.to_s))        
  else
    print("<loadResult file=\"%s\" status=\"OK\"/>", file)        
  end
end

#print_methods(methods) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 273

def print_methods(methods)
  print_element "methods" do
    methods.each do |method|
      print "<method name=\"%s\" />", method
    end
  end
end

#print_msg(*args) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 43

def print_msg(*args)
  msg, *args = args
  xml_message = CGI.escapeHTML(msg % args)
  print "<message>#{xml_message}</message>"
end

#print_pp(value) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 252

def print_pp(value)
  print value
end

#print_string(string) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 130

def print_string(string)
  print_element("variables") do
    if string.respond_to?('bytes')
      bytes = string.bytes.to_a
      InspectCommand.reference_result(bytes)
      print_variable('bytes', bytes, 'instance')
    end
    print_variable('encoding', string.encoding, 'instance') if string.respond_to?('encoding')         
  end
end

#print_trace(context, file, line) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 294

def print_trace(context, file, line)
  Debugger::print_debug "trace: location=\"%s:%s\", threadId=%d", file, line, context.thnum
  # TBD: do we want to clog fronend with the <trace> elements? There are tons of them.
  # print "<trace file=\"%s\" line=\"%s\" threadId=\"%d\" />", file, line, context.thnum
end

#print_variable(name, value, kind) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 141

def print_variable(name, value, kind)
  name = name.to_s
  if value.nil?
    print("<variable name=\"%s\" kind=\"%s\"/>", CGI.escapeHTML(name), kind)
    return
  end
  if value.is_a?(Array) || value.is_a?(Hash)
    has_children = !value.empty?
    if has_children
      size      = value.size
      value_str = "#{value.class} (#{value.size} element#{size > 1 ? "s" : "" })"
    else
      value_str = "Empty #{value.class}"
    end
  elsif value.is_a?(String)
    has_children = value.respond_to?('bytes') || value.respond_to?('encoding')
    value_str = value
  else  
    has_children = !value.instance_variables.empty? || !value.class.class_variables.empty?
    value_str = value.to_s || 'nil' rescue "<#to_s method raised exception: #{$!}>"
    unless value_str.is_a?(String)
      value_str = "ERROR: #{value.class}.to_s method returns #{value_str.class}. Should return String." 
    end
  end

  if value_str.respond_to?('encode')
    # noinspection RubyEmptyRescueBlockInspection
    begin
     value_str = value_str.encode("UTF-8")
    rescue
    end
  end
  value_str = handle_binary_data(value_str)
  compact_value_str = build_compact_name(value_str, value)
  print("<variable name=\"%s\" compactValue=\"%s\" kind=\"%s\" value=\"%s\" type=\"%s\" hasChildren=\"%s\" objectId=\"%#+x\">",
      CGI.escapeHTML(name), CGI.escapeHTML(compact_value_str), kind, CGI.escapeHTML(value_str), value.class,
      has_children, value.respond_to?(:object_id) ? value.object_id : value.id)
  print("<value><![CDATA[%s]]></value>", CGI.escapeHTML(value_str))
  print('</variable>')
end

#print_variables(vars, kind) ⇒ Object 



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# File 'lib/ruby-debug-ide/xml_printer.rb', line 97

def print_variables(vars, kind)
  print_element("variables") do
    # print self at top position
    print_variable('self', yield('self'), kind) if vars.include?('self')
    vars.sort.each do |v|
      print_variable(v, yield(v), kind) unless v == 'self'
    end
  end
end