Class: OrigenTesters::IGXLBasedTester::UltraFLEX::Flow

Inherits:
Base::Flow show all
Defined in:
lib/origen_testers/igxl_based_tester/ultraflex/flow.rb

Constant Summary collapse

TEMPLATE =
"#{Origen.root!}/lib/origen_testers/igxl_based_tester/ultraflex/templates/flow.txt.erb"
SCALES =
[:p, :n, :u, :m, :none, :k, :M]

Constants inherited from Base::Flow

Base::Flow::OUTPUT_POSTFIX

Constants included from Flow

Flow::PROGRAM_MODELS_DIR

Instance Attribute Summary

Attributes inherited from Base::Flow

#branch, #context, #current_enable, #current_flag, #set_flags, #stack

Instance Method Summary collapse

Methods inherited from Base::Flow

#branch_if_enable, #clean_job, #completed_lines, #current_line, #flag_to_s, #format, #new_line, #number_of_tests_in, #on_continue, #on_cz, #on_disable, #on_enable, #on_flow, #on_if_any_sites_flag, #on_if_enabled, #on_if_flag, #on_if_job, #on_log, #on_name, #on_number, #on_object, #on_on_fail, #on_on_pass, #on_render, #on_set_flag, #on_set_result, #open_lines, #ultraflex

Methods included from Flow

#active_description, #at_flow_start, #at_run_start, callstack, cc_comments, cc_comments=, #children, comment_stack, #context_changed?, flow_comments, flow_comments=, #generate_unique_label, ht_comments, ht_comments=, #is_the_flow?, #lines, #model, name_stack, #nop, #orig_render, #parent, #path, #program, #render, #save_program, #sig, #test, #top_level, #top_level?, unique_ids, unique_ids=

Methods included from ATP::FlowAPI

#atp, #atp=, #hi_limit, #limit, #lo_limit

Methods included from Generator

#close, #collection, #collection=, #compiler, #current_dir, #dont_diff=, execute_source, #file_extension, #file_pipeline, #filename, #filename=, #finalize, #identity_map, #import, #inhibit_output, #name, #on_close, original_reference_file, original_reference_file=, #output_file, #output_inhibited?, #platform, #reference_file, #render, #set_flow_description, #stats, #to_be_written?, #write_from_template, #write_to_file

Methods inherited from ATP::Formatter

#format, format, run, run_and_format, #run_and_format

Methods inherited from ATP::Processor

#clean_flag, #extract_volatiles, #handler_missing, #process, #process_all, #run, #volatile?, #volatile_flags

Instance Method Details

#lowest_scale(a, b) ⇒ Object

Returns the lowest of the two scales


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# File 'lib/origen_testers/igxl_based_tester/ultraflex/flow.rb', line 154

def lowest_scale(a, b)
  if a == b
    a
  elsif !a
    b
  elsif !b
    a
  else
    if SCALES.index(a) < SCALES.index(b)
      a
    else
      b
    end
  end
end

#on_limit(node) ⇒ Object


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# File 'lib/origen_testers/igxl_based_tester/ultraflex/flow.rb', line 120

def on_limit(node)
  value, rule, unit, selector = *node
  case rule
  when 'gte'
    current_line.lolim = value
  when 'lte'
    current_line.hilim = value
  end
end

#on_sub_test(node) ⇒ Object


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# File 'lib/origen_testers/igxl_based_tester/ultraflex/flow.rb', line 105

def on_sub_test(node)
  # for now assuming sub tests will be limits
  tname = node.find(:object).value
  # for some reason new_line :use_limit does not provide hbin, sbin etc accessors, duplicating behavior in on_test above
  line = open_lines.last.dup
  line.type = :use_limit
  line.opcode = 'Use-Limit'
  line.tname = tname
  line.tnum = nil
  open_lines << line
  process_all(node.children)
  @limit_lines = [] if @limit_lines.nil?
  @limit_lines << open_lines.pop
end

#on_test(node) ⇒ Object


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# File 'lib/origen_testers/igxl_based_tester/ultraflex/flow.rb', line 10

def on_test(node)
  super
  ins = node.find(:object).value

  # allow defer limits when limits are only given in sub tests
  if ins.respond_to?(:defer_limits)
    if ins.defer_limits
      completed_lines.last.opcode = 'Test-defer-limits'
    end
  end

  if ins.respond_to?(:lo_limit) && (ins.lo_limit || ins.hi_limit) || ins.respond_to?(:lo) && (ins.lo || ins.hi)
    limit = completed_lines.last.dup
    limit.type = :use_limit
    limit.opcode = 'Use-Limit'
    limit.parameter = nil
    limit.tnum = nil                            # Don't duplate test numbers, allow auto-increment by leaving blank
    if ins.respond_to?(:lo_limit)
      lo = ins.lo_limit
      hi = ins.hi_limit
      if lo.nil?
        lo = ins.lo
      end
      if hi.nil?
        hi = ins.hi
      end
    elsif ins.respond_to?(:lo)
      lo = ins.lo
      hi = ins.hi
    end

    size = 1
    if lo.is_a?(Array)
      size = lo.size if lo.size > size
    end
    if hi.is_a?(Array)
      size = hi.size if hi.size > size
    end

    size.times do |i|
      line = limit.dup

      if lo.is_a?(Array)
        l = lo[i]
      else
        l = lo
      end

      if hi.is_a?(Array)
        h = hi[i]
      else
        h = hi
      end

      if ins.scale
        if ins.scale.is_a?(Array)
          s = ins.scale[i]
        else
          s = ins.scale
        end
      else
        unless $tester.ultraflex?
          s = lowest_scale(scale_of(l), scale_of(h))
          l = scaled(l, s)
          h = scaled(h, s)
        end
      end
      line.lolim = l
      line.hilim = h
      line.scale = s unless s == :none
      if ins.units
        if ins.units.is_a?(Array)
          line.units = ins.units[i]
        else
          line.units = ins.units
        end
      end
      completed_lines << line
    end
  end
  # finish off any limit lines from sub tests
  unless @limit_lines.nil?
    tl = completed_lines.last
    tnum = tl.tnum
    @limit_lines.each do |line|
      line.parameter = tl.parameter
      line.sbin = tl.sbin
      line.bin = tl.bin
      line.tnum = tnum += 1 if tnum.is_a?(Numeric) && !line.tnum
      completed_lines << line
    end
    @limit_lines = nil
  end
end

#scale_of(number) ⇒ Object

Returns the scale that should be best used to represent the given number, returns nil in the case where the given number is nil


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# File 'lib/origen_testers/igxl_based_tester/ultraflex/flow.rb', line 132

def scale_of(number)
  if number && number.is_a?(Numeric)
    number = number.abs
    if number >= 1_000_000
      :M
    elsif number >= 1_000
      :k
    elsif number >= 0.1
      :none
    elsif number >= 0.000_1
      :m
    elsif number >= 0.000_000_1
      :u
    elsif number >= 0.000_000_000_1
      :n
    else
      :p
    end
  end
end

#scaled(number, scale) ⇒ Object


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# File 'lib/origen_testers/igxl_based_tester/ultraflex/flow.rb', line 170

def scaled(number, scale)
  if number
    if number.is_a?(Numeric)
      number = number.to_f
      if scale
        case scale
        when :M
          number = number / 1_000_000
        when :k
          number = number / 1_000
        when :m
          number = number * 1_000
        when :u
          number = number * 1_000_000
        when :n
          number = number * 1_000_000_000
        when :p
          number = number * 1_000_000_000_000
        end
      end
      if number.round(2) == number.to_i.to_f.round(2)
        number.to_i
      else
        number.round(2)
      end
    else
      number
    end
  end
end