Class: HDLRuby::High::RefName

Inherits:
Low::RefName show all
Includes:
HRef
Defined in:
lib/HDLRuby/hruby_high.rb,
lib/HDLRuby/hruby_rsim.rb,
lib/HDLRuby/hruby_rcsim.rb

Overview

Describes a name reference.

Constant Summary

Constants included from Low::Low2Symbol

Low::Low2Symbol::Low2SymbolPrefix, Low::Low2Symbol::Low2SymbolTable, Low::Low2Symbol::Symbol2LowTable

Instance Attribute Summary

Attributes inherited from Low::RefName

#name, #ref

Attributes inherited from Low::Expression

#type

Attributes included from Low::Hparent

#parent

Instance Method Summary collapse

Methods included from HRef

#each, included, #objects, #to_event

Methods included from Enumerable

#seach

Methods inherited from Low::RefName

#ancestor, #boolean_in_assign2select, #casts_without_expression!, #clone, #each_deep, #each_node, #each_node_deep, #eql?, #explicit_types, #fix_scope_refnames!, #flatten, #flatten_to, #from_systemI?, #full_name, #get_systemI, #hash, #initialize, #map_nodes!, #path_each, #replace_expressions!, #resolve, #set_name!, #set_ref!, #signal2subs!, #to_another_verilog, #to_c, #to_c_signal, #to_hdr, #to_high, #to_verilog, #to_vhdl, #to_viz_names, #to_viz_node, #use_name?

Methods included from Low::ForceName

#extend_name!, #force_name!

Methods inherited from Low::Ref

#each_node, #each_node_deep, #eql?, #explicit_types, #hash, #map_nodes!, #path_each, #resolve, #to_c, #to_hdr, #to_vhdl

Methods inherited from Low::Expression

#boolean?, #break_types!, #clone, #each_node, #each_node_deep, #each_ref_deep, #eql?, #explicit_types, #extract_selects_to!, #fix_scope_refnames!, #hash, #immutable?, #initialize, #leftvalue?, #map_nodes!, #replace_expressions!, #replace_names!, #rightvalue?, #set_type!, #signal2subs!, #statement, #to_c, #to_c_expr, #to_hdr, #to_high, #to_vhdl, #to_viz_names, #use_name?

Methods included from Low::Low2Symbol

#to_sym

Methods included from Low::Hparent

#absolute_ref, #hierarchy, #no_parent!, #scope

Constructor Details

This class inherits a constructor from HDLRuby::Low::RefName

Instance Method Details

#to_low ⇒ Object

Converts the name reference to HDLRuby::Low.



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# File 'lib/HDLRuby/hruby_high.rb', line 3732

def to_low
    # return HDLRuby::Low::RefName.new(self.type.to_low,
    #                                  self.ref.to_low,self.name)
    refNameL = HDLRuby::Low::RefName.new(self.type.to_low,
                                     self.ref.to_low,self.name)
    # # For debugging: set the source high object 
    # refNameL.properties[:low2high] = self.hdr_id
    # self.properties[:high2low] = refNameL
    return refNameL
end

#to_rcsim ⇒ Object

Generate the C description of the reference range (not ref name!).



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# File 'lib/HDLRuby/hruby_rcsim.rb', line 1102

def to_rcsim
    # Convert the base to a bit vector.
    type_base = Bit[self.ref.type.width]
    # self.ref.parent = nil
    # bit_base = Cast.new(type_base,self.ref)
    bit_base = RCSim.rcsim_make_cast(type_base.to_rcsim,self.ref.to_rcsim)
    # Compute range in bits of the field.
    last = 0
    self.ref.type.each.detect do |name,typ|
        last += typ.width
        name == self.name
    end
    first = last-self.type.width
    last -= 1
    # puts "name=#{self.name} first=#{first} last=#{last}"
    type_int = Bit[type_base.width.width]
    return RCSim.rcsim_make_refRange(self.type.to_rcsim,
                                     Value.new(type_int,last).to_rcsim,
                                     Value.new(type_int,first).to_rcsim,
                                     bit_base)
end

#to_ref ⇒ Object

Converts to a new reference.



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# File 'lib/HDLRuby/hruby_high.rb', line 3727

def to_ref
    return RefName.new(self.type,self.ref.to_ref,self.name)
end