Method: HDLRuby::Viz::Node#statement_svg_deep

Defined in:
lib/HDLRuby/hruby_viz.rb

#statement_svg_deep(stmnt, no = false) ⇒ Object

Generate recursively the content of a flow from statement +stmnt+, where +no+ tells if there is an else branch.



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# File 'lib/HDLRuby/hruby_viz.rb', line 3837

def statement_svg_deep(stmnt,no=false)
  case stmnt.type
  when :assign
    res = assign_svg(stmnt)
  when :seq, :par
    res = block_svg(stmnt)
    # And its arrows.
    stmnt.arrows.each { |x0,y0,x1,y1| res += arrow_svg(x0,y0,x1,y1) }
  when :if
    res = if_svg(stmnt, no || stmnt.branches[2])
  when :case
    res = case_svg(stmnt, no || stmnt.branches[3])
  when :repeat
    res = repeat_svg(stmnt)
  when :wait
    res = wait_svg(stmnt)
  when :terminate
    res = terminate_svg(stmnt)
  when :print
    res = print_svg(stmnt)
  else
    # The other types are the condition expression, they are
    # not statements so they are skipped.
    return ""
  end
  # Recurse on the branches.
  case stmnt.type
  when :if, :case, :repeat
    fs = stmnt.type != :case ? 1 : 2 # First statement position.
    stmnt.branches[fs..-2].each {|b| res += statement_svg_deep(b,true) }
    res += statement_svg_deep(stmnt.branches[-1],false)
  when :seq, :par
    res += statement_svg_deep(stmnt.branches[0])
  end
  # And the successor
  res += statement_svg_deep(stmnt.successor) if stmnt.successor
  return res
end