Class: HDLRuby::High::Behavior
- Inherits:
-
Low::Behavior
- Object
- Low::Behavior
- HDLRuby::High::Behavior
- Includes:
- RCSimBehavior
- Defined in:
- lib/HDLRuby/hruby_high.rb,
lib/HDLRuby/hruby_rsim.rb,
lib/HDLRuby/hruby_rcsim.rb,
lib/HDLRuby/hruby_high_fullname.rb
Overview
Describes a behavior.
Constant Summary collapse
Constants included from Low::Low2Symbol
Low::Low2Symbol::Low2SymbolPrefix, Low::Low2Symbol::Low2SymbolTable, Low::Low2Symbol::Symbol2LowTable
Instance Attribute Summary
Attributes included from RCSimBehavior
Attributes inherited from Low::Behavior
Attributes included from Low::Hparent
Instance Method Summary collapse
-
#execute(mode) ⇒ Object
Execute the expression.
-
#fullname ⇒ Object
Returns the name of the signal with its hierarchy.
-
#init_sim(systemT) ⇒ Object
Initialize the simulation for system +systemT+.
-
#initialize(mode, *events, &ruby_block) ⇒ Behavior
constructor
Creates a new behavior executing +block+ activated on a list of +events+, and built by executing +ruby_block+.
-
#to_low ⇒ Object
Converts the time behavior to HDLRuby::Low.
Methods included from RCSimBehavior
Methods inherited from Low::Behavior
#add_event, #blocks2seq!, #break_concat_assigns!, #delete_event!, #each_block, #each_block_deep, #each_deep, #each_event, #each_node_deep, #each_statement, #eql?, #explicit_types!, #extract_declares!, #get_by_name, #has_event?, #hash, #last_statement, #map_events!, #mixblocks2seq!, #on_edge?, #on_event?, #parent_system, #replace_names!, #reverse_each_statement, #set_block!, #signal2subs!, #to_c, #to_ch, #to_hdr, #to_high, #to_upper_space!, #to_vhdl, #top_scope, #with_boolean!, #with_var!
Methods included from Low::Low2Symbol
Methods included from Low::Hparent
#hierarchy, #no_parent!, #scope
Constructor Details
#initialize(mode, *events, &ruby_block) ⇒ Behavior
Creates a new behavior executing +block+ activated on a list of +events+, and built by executing +ruby_block+. +mode+ can be either :seq or :par for respectively sequential or parallel.
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# File 'lib/HDLRuby/hruby_high.rb', line 4420 def initialize(mode,*events,&ruby_block) # Initialize the behavior with it. super(nil) # # Save the Location for debugging information # @location = caller_locations # # Sets the current behavior # @@cur_behavior = self # Add the events (they may be hierarchical to flatten) events.flatten.each { |event| self.add_event(event) } # Create and add the block. self.block = High.make_block(mode,&ruby_block) # # Unset the current behavior # @@cur_behavior = nil end |
Instance Method Details
#execute(mode) ⇒ Object
Execute the expression.
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# File 'lib/HDLRuby/hruby_rsim.rb', line 398 def execute(mode) return self.block.execute(mode) end |
#fullname ⇒ Object
Returns the name of the signal with its hierarchy.
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# File 'lib/HDLRuby/hruby_rsim.rb', line 460 def fullname return self.parent.fullname end |
#init_sim(systemT) ⇒ Object
Initialize the simulation for system +systemT+.
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# File 'lib/HDLRuby/hruby_rsim.rb', line 403 def init_sim(systemT) # Add the behavior to the list of untimed objects. systemT.add_untimed(self) # Process the sensitivity list. # Is it a clocked behavior? events = self.each_event.to_a if events.empty? then # No events, this is not a clock behavior. # And it is not a time behavior neigther. # Generate the events list from the right values. # First get the references. refs = self.block.each_node_deep.select do |node| node.is_a?(RefObject) && !node.leftvalue? && !node.parent.is_a?(RefObject) end.to_a # Keep only one ref per signal. refs.uniq! { |node| node.fullname } # puts "refs=#{refs.map {|node| node.fullname}}" # The get the left references: the will be removed from the # events. left_refs = self.block.each_node_deep.select do |node| node.is_a?(RefObject) && node.leftvalue? && !node.parent.is_a?(RefObject) end.to_a # Keep only one left ref per signal. left_refs.uniq! { |node| node.fullname } # Remove the inner signals from the list. self.block.each_inner do |inner| refs.delete_if {|r| r.fullname == inner.fullname } end # Remove the left refs. left_refs.each do |l| refs.delete_if {|r| r.fullname == l.fullname } end # Generate the event. events = refs.map {|ref| Event.new(:anyedge,ref.clone) } # Add them to the behavior for further processing. events.each {|event| self.add_event(event) } end # Now process the events: add the behavior to the corresponding # activation list of the signals of the events. self.each_event do |event| sig = event.ref.object case event.type when :posedge sig.add_posedge(self) when :negedge sig.add_negedge(self) else sig.add_anyedge(self) end end # Now process the block. self.block.init_sim(systemT) end |
#to_low ⇒ Object
Converts the time behavior to HDLRuby::Low.
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# File 'lib/HDLRuby/hruby_high.rb', line 4440 def to_low # Create the low level block. blockL = self.block.to_low # Create the low level events. eventLs = self.each_event.map { |event| event.to_low } # Create and return the resulting low level behavior. behaviorL = HDLRuby::Low::Behavior.new(blockL) # # For debugging: set the source high object # behaviorL.properties[:low2high] = self.hdr_id # self.properties[:high2low] = behaviorL eventLs.each(&behaviorL.method(:add_event)) return behaviorL end |