Class: RubyHDL::High::Ruby

Inherits:
Expression show all
Defined in:
lib/HDLRuby/std/sequencer_sw.rb

Overview

Describes arbitrary code.

Constant Summary collapse

@@ruby_blocks = 
[]

Instance Attribute Summary

Attributes inherited from Expression

#type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Expression

#<=, #[], #mux, #sdownto, #seach, #stimes, #supto, #to_value

Constructor Details

#initialize(str = nil, &ruby_block) ⇒ Ruby

Create a new ruby code block for either +ruby_block+ or string +str+.



2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2792

def initialize(str = nil, &ruby_block)
  @str = str
  # puts "ruby_block=#{ruby_block}"
  # Create the id for the block.
  @id = @@ruby_blocks.size
  # Adds the block.
  if ruby_block then
    @@ruby_blocks << ruby_block
  else
    @@ruby_blocks << proc { TOPLEVEL_BINDING.eval(@str.to_s) }
  end
end

Class Method Details

.call(id) ⇒ Object

Execute a ruby code block for +ruby_block+.



2827
2828
2829
2830
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2827

def self.call(id)
  # puts "id=#{id}"
  @@ruby_blocks[id].call
end

Instance Method Details

#each_statement(&ruby_block) ⇒ Object

Iterate on the statements.



2814
2815
2816
2817
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2814

def each_statement(&ruby_block)
  return to_enum(:each_statement) unless ruby_block
  # By default nothing to do.
end

#each_statement_deep(&ruby_block) ⇒ Object

Iterate deeply on the statements.



2820
2821
2822
2823
2824
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2820

def each_statement_deep(&ruby_block)
  return to_enum(:each_statement_deep) unless ruby_block
  # Just apply ruby_block on self.
  ruby_block.call(self)
end

#to_c ⇒ Object

Convert to C code.



2843
2844
2845
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2843

def to_c
  return "rb_eval_string(\"#{@str.to_s}\");"
end

#to_expr ⇒ Object

Convert to expression: does not change but remove from the statement list.



2807
2808
2809
2810
2811
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2807

def to_expr
  # Remove the transmit from the top SW block.
  RubyHDL::High.top_sblock.delete(self)
  return self
end

#to_python(l = "") ⇒ Object

Convert to Python code.



2848
2849
2850
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2848

def to_python(l = "")
  raise "Ruby objects cannot be converted to Python yet."
end

#to_ruby ⇒ Object

Convert to Ruby code.



2833
2834
2835
2836
2837
2838
2839
2840
 
# File 'lib/HDLRuby/std/sequencer_sw.rb', line 2833

def to_ruby
  # puts caller[0]
  if @str then
    return TOPLEVEL_BINDING.eval(@str)
  else
    return "RubyHDL::High::Ruby.call(#{@id})"
  end
end