Class: Cxxproject::IDEInterface

Inherits:
ErrorParser show all
Defined in:
lib/cxxproject/ide_interface.rb

Overview

payload of problem type: 4 bytes = length filename x bytes = filename 4 bytes = linenumber 1 byte = severity (0..2) rest = error msg

Constant Summary

Constants inherited from ErrorParser

ErrorParser::SEVERITY_ERROR, ErrorParser::SEVERITY_INFO, ErrorParser::SEVERITY_OK, ErrorParser::SEVERITY_WARNING

Instance Method Summary collapse

Methods inherited from ErrorParser

#get_severity, #scan, #scan_lines

Constructor Details

#initialize ⇒ IDEInterface

Returns a new instance of IDEInterface.



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# File 'lib/cxxproject/ide_interface.rb', line 19

def initialize()
  @socket = nil
  @abort = false
  @thread = nil
end

Instance Method Details

#connect(port) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 29

def connect(port)
  begin
    @socket = TCPSocket.new('localhost', port)

    @thread = Thread.new do
      while true do
      begin
        @socket.recv_nonblock(1)
        set_abort(true)
        break
      rescue Errno::EWOULDBLOCK
        sleep 0.1
      rescue Errno::EAGAIN
        sleep 0.1
      rescue Exception => e
        break
      end
      end
    end

  rescue Exception => e
    Printer.printError "Error: #{e.message}"
    ExitHelper.exit(1)
  end
end

#create_error_packet(msg) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 127

def create_error_packet(msg)
  packet = ""
  [packet, msg.file_name, msg.message].each {|s|force_encoding(s)}

  packet << 1 # error type
  write_long(packet,0) # length (will be corrected below)

  write_string(packet, msg.file_name)
  write_long(packet,msg.line_number)
  packet << (msg.severity & 0xFF)
  packet << msg.message

  set_length_in_header(packet)
  packet
end

#disconnect ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 55

def disconnect()
  if @socket
    sleep 0.1 # hack to let ruby send all data via streams before closing ... strange .. perhaps this should be synchronized!
    begin
      @socket.close
    rescue Exception => e
      Printer.printError "Error: #{e.message}"
      ExitHelper.exit(1)
    end
    @socket = nil
  end

  begin
    @thread.join if @thread
  rescue
  end
  @thread = nil
end

#force_encoding(s) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 81

def force_encoding(s)
  s.force_encoding("binary") if s.respond_to?("force_encoding") # for ruby >= 1.9
end

#get_abort ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 177

def get_abort()
  @abort
end

#get_number_of_projects ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 173

def get_number_of_projects
  @num ||= 0
end

#mutex ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 25

def mutex
  @mutex ||= Mutex.new
end

#set_abort(value) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 181

def set_abort(value)
  @abort = value
  ProcessHelper.killProcess if @abort
end

#set_build_info(name_attr, config_name_attr, num = -1)) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 143

def set_build_info(name_attr, config_name_attr, num = -1)
  @num = num if (num >= 0)
  name = String.new(name_attr)
  config_name = String.new(config_name_attr)

  packet = ""
  [packet, name, config_name].each {|s|force_encoding(s)}

  lname = name.length
  lconfig = config_name.length
  lsum = 4 + lname + 4 + lconfig + 4

  packet << 10 # build info type

  write_long(packet, lsum)
  write_long(packet, lname)
  packet << name
  write_long(packet, lconfig)
  packet << config_name
  write_long(packet, num >=0 ? num : 0)

  begin
    mutex.synchronize { @socket.write(packet) if @socket }
  rescue Exception => e
    Printer.printError "Error: #{e.message}"
    set_abort(true)
  end

end

#set_errors(error_array) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 99

def set_errors(error_array)
  if @socket

    merged_messages = []
    last_msg = nil
    error_array.each do |msg|
      if msg.file_name.nil?
        last_msg.message += "\r\n#{msg.message}" if last_msg
      else
        last_msg = msg.dup
        merged_messages << last_msg
      end
    end

    merged_messages.each do |msg|
      msg.message.rstrip!
      packet = create_error_packet(msg)
      begin
        mutex.synchronize { @socket.write(packet) }
      rescue Exception => e
        Printer.printError "Error: #{e.message}"
        set_abort(true)
      end
    end

  end
end

#set_length_in_header(packet) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 85

def set_length_in_header(packet)
  l = packet.length - 5
  if packet.respond_to?("setbyte")
    (1..4).each { |i| packet.setbyte(i, (l & 0xFF)); l = l >> 8 } # ruby >= 1.9
  else
    (1..4).each { |i| packet[i] = (l & 0xFF); l = l >> 8 } # ruby < 1.9
  end
end

#write_long(packet, l) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 74

def write_long(packet, l)
  4.times do
    packet << (l & 0xff)
    l = l >> 8
  end
end

#write_string(packet, s) ⇒ Object 



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# File 'lib/cxxproject/ide_interface.rb', line 94

def write_string(packet, s)
  write_long(packet, s.length)
  packet << s
end