Class: HDLRuby::High::SignalC
- Inherits:
-
Low::SignalC
- Object
- Base::SignalI
- Low::SignalI
- Low::SignalC
- HDLRuby::High::SignalC
- Includes:
- HRef
- Defined in:
- lib/HDLRuby/hruby_high.rb
Overview
Describes a high-level constant signal.
Constant Summary collapse
Constants included from Low::Low2Symbol
Low::Low2Symbol::Low2SymbolPrefix, Low::Low2Symbol::Low2SymbolTable, Low::Low2Symbol::Symbol2LowTable
Instance Attribute Summary
Attributes inherited from Low::SignalI
Attributes included from Low::Hparent
Instance Method Summary collapse
-
#coerce(obj) ⇒ Object
Coerce by converting signal to an expression.
-
#initialize(name, type, value) ⇒ SignalC
constructor
Creates a new constant signal named +name+ typed as +type+ and +value+.
-
#to_expr ⇒ Object
Converts to a new expression.
-
#to_low(name = self.name) ⇒ Object
Converts the system to HDLRuby::Low and set its +name+.
-
#to_ref ⇒ Object
Converts to a new reference.
Methods included from HRef
Methods inherited from Low::SignalC
Methods inherited from Low::SignalI
#clone, #each_deep, #eql?, #explicit_types!, #hash, #immutable?, #replace_names!, #set_name!, #set_type!, #set_value!, #to_c, #to_c_alias, #to_c_signal, #to_ch, #to_hdr, #to_high, #to_verilog, #to_vhdl, #width
Methods included from Low::Low2Symbol
Methods included from Low::Hparent
Constructor Details
#initialize(name, type, value) ⇒ SignalC
Creates a new constant signal named +name+ typed as +type+ and +value+.
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# File 'lib/HDLRuby/hruby_high.rb', line 3740 def initialize(name,type,value) # Check the value is a constant. value = value.to_expr.match_type(type) unless value.constant? then raise AnyError,"Non-constant value assignment to constant." end # Initialize the type structure. super(name,type,value) unless name.empty? then # Named signal, set the hdl-like access to the signal. obj = self # For using the right self within the proc High.space_reg(name) { obj } end # Hierarchical type allows access to sub references, so generate # the corresponding methods. if type.struct? then type.each_name do |name| self.define_singleton_method(name) do RefObject.new(self.to_ref, SignalC.new(name,type.get_type(name), value[name])) end end end end |
Instance Method Details
#coerce(obj) ⇒ Object
Coerce by converting signal to an expression.
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# File 'lib/HDLRuby/hruby_high.rb', line 3779 def coerce(obj) return [obj,self.to_expr] end |
#to_expr ⇒ Object
Converts to a new expression.
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# File 'lib/HDLRuby/hruby_high.rb', line 3774 def to_expr return self.to_ref end |
#to_low(name = self.name) ⇒ Object
Converts the system to HDLRuby::Low and set its +name+.
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# File 'lib/HDLRuby/hruby_high.rb', line 3784 def to_low(name = self.name) # return HDLRuby::Low::SignalC.new(name,self.type.to_low, # self.value.to_low) signalCL = HDLRuby::Low::SignalC.new(name,self.type.to_low, self.value.to_low) # # For debugging: set the source high object # signalCL.properties[:low2high] = self.hdr_id # self.properties[:high2low] = signalCL return signalCL end |