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[/] [soc_maker/] [trunk/] [lib/] [soc_maker/] [ifc_port.rb] - Rev 10
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###############################################################
#
# File: ifc_port.rb
#
# Author: Christian Hättich
#
# Project: System-On-Chip Maker
#
# Target: Linux / Windows / Mac
#
# Language: ruby
#
#
###############################################################
#
#
# Copyright (C) 2014 Christian Hättich - feddischson [ at ] opencores.org
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
###############################################################
#
# Description:
#
#
# A small classes, used to group information
# and to verify, auto-correct and auto-complete
# this information:
# The class represents an interface port within
# SOCMaker::IfcDef (see ifc_def.rb).
# It is used to make a relation between the naming
# of IfcDef and IfcSpc.
# The two data fiels are
# - defn (mandatory: must be the name of the port, defined in IfcSpc)
# - len (optional, default is 1)
#
###############
#
# TODO
# - Add test-code
# - Rename defn to something more meaningful
#
###############################################################
module SOCMaker
class IfcPort
include ERR
attr_accessor :defn
attr_accessor :len
def initialize( defn, len = 1 )
init_with( 'defn' => defn,
'len' => len )
end
def encode_with( coder )
%w[ defn len ].
each { |v| coder[ v ] = instance_variable_get "@#{v}" }
end
def init_with( coder )
serr_if( coder[ 'defn' ] == nil,
'no relation to interface-definition is given for an interface port (nil)',
field: "defn" )
@defn = coder[ 'defn' ]
verr_if( !@defn.is_a?( String ),
'Relation to interface definition is not of type string',
instance: @defn.to_s,
field: "defn")
verr_if( @defn.size == 0,
'Relation to interface definition has zero length',
instance: @defn.to_s,
field: "defn")
@len = coder[ 'len' ] || 1
verr_if( !( @len.is_a?( Fixnum ) || @len.is_a?( String ) ),
'Length is not a fixnum',
instance: @defn.to_s,
field: "defn")
end
def ==(o)
o.class == self.class &&
o.defn == self.defn &&
o.len == self.len
end
end
end
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