Class: OrigenTesters::SmartestBasedTester::Base::Flow

Inherits:
ATP::Formatter show all
Includes:
Flow
Defined in:
lib/origen_testers/smartest_based_tester/base/flow.rb

Direct Known Subclasses

V93K::Flow, V93K_SMT8::Flow

Constant Summary collapse

RELATIONAL_OPERATOR_STRINGS = 
{
  eq: '==',
  ne: '!=',
  gt: '>',
  ge: '>=',
  lt: '<',
  le: '<='
}

Constants included from Flow

Flow::PROGRAM_MODELS_DIR

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Flow

#active_description, #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?, #model, #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=, #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 Attribute Details

#add_flow_enable ⇒ Object

Returns the value of attribute add_flow_enable.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 21

def add_flow_enable
  @add_flow_enable
end

#flow_description ⇒ Object

Returns the value of attribute flow_description.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 21

def flow_description
  @flow_description
end

#flow_name(filename = nil) ⇒ Object

Returns the value of attribute flow_name.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 21

def flow_name
  @flow_name
end

#lines ⇒ Object

Returns the value of attribute lines.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 17

def lines
  @lines
end

#set_runtime_variables ⇒ Object (readonly)

Returns an array containing all runtime variables which get set by the flow



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 19

def set_runtime_variables
  @set_runtime_variables
end

#stack ⇒ Object

Returns the value of attribute stack.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 17

def stack
  @stack
end

#test_methods ⇒ Object

Returns the value of attribute test_methods.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 17

def test_methods
  @test_methods
end

#test_suites ⇒ Object

Returns the value of attribute test_suites.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 17

def test_suites
  @test_suites
end

#var_filename ⇒ Object

Returns the value of attribute var_filename.



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 17

def var_filename
  @var_filename
end

Class Method Details

.generate_flag_name(flag) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 23

def self.generate_flag_name(flag)
  case flag[0]
  when '$'
    flag[1..-1]
  else
    flag.upcase
  end
end

Instance Method Details

#all_sub_flows ⇒ Object

Returns an array containing all sub-flow objects, not just the immediate children



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 150

def all_sub_flows
  @all_sub_flows ||= begin
    sub_flows = []
    extract_sub_flows(self, sub_flows)
    sub_flows
  end
end

#ast ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 138

def ast
  @ast = nil unless @finalized
  @ast ||= begin
    unique_id = smt8? ? nil : sig
    atp.ast(unique_id: unique_id, optimization: :smt,
          implement_continue: !tester.force_pass_on_continue,
          optimize_flags_when_continue: !tester.force_pass_on_continue
           )
  end
end

#at_flow_end ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 133

def at_flow_end
  # Take whatever the test modes are set to at the end of the flow as what we go with
  @test_modes = tester.limitfile_test_modes
end

#at_flow_start ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 113

def at_flow_start
  model # Call to ensure the signature gets populated
end

#capture_lines ⇒ Object

Any calls to line made within the given block will be returned in an array, rather than immediately being put into the @lines array



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 257

def capture_lines
  @lines_buffer << []
  yield
  @lines_buffer.pop
end

#clean_job(job) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 646

def clean_job(job)
  var = smt8? ? 'JOB' : '@JOB'
  [job].flatten.map { |j| "#{var} == \"#{j.to_s.upcase}\"" }
end

#extract_sub_flows(flow, sub_flows) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 159

def extract_sub_flows(flow, sub_flows)
  flow.children.each do |id, sub_flow|
    sub_flows << sub_flow
    extract_sub_flows(sub_flow, sub_flows)
  end
  sub_flows
end

#filename ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 56

def filename
  base = super.gsub('_flow', '')
  if smt8?
    flow_name(base) + '.flow'
  else
    base
  end
end

#finalize(options = {}) ⇒ Object

This is called by Origen on each flow after they have all been executed but before they are finally written/rendered



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 175

def finalize(options = {})
  if smt8?
    return unless top_level? || options[:called_by_top_level]
    super
    @finalized = true
    # All flows have now been executed and the top-level contains the final AST.
    # The AST contained in each child flow may not be complete since it has not been subject to the
    # full-flow processing, e.g. to set flags in the event of a reference to a test being made from
    # outside of a sub-flow.
    # So here we substitute the AST in all sub-flows with the corresponding sub-flow node from the
    # top-level AST, then we finalize the sub-flows with the final AST in place and then later final
    # writing/rendering will be called as normal.
    if top_level?
      ast.find_all(:sub_flow, recursive: true).each do |sub_flow_ast|
        sub_flow = sub_flow_from(sub_flow_ast)
        unless sub_flow
          fail "Something went wrong, couldn't find the sub-flow object for path #{path}"
        end
        # on_fail and on_pass nodes are removed because they will be rendered by the sub-flow's parent
        sub_flow.instance_variable_set(:@ast, sub_flow_ast.remove(:on_fail, :on_pass).updated(:flow))
        sub_flow.instance_variable_set(:@finalized, true)  # To stop the AST being regenerated
      end
      options[:called_by_top_level] = true
      all_sub_flows.each { |f| f.finalize(options) }
      options.delete(:called_by_top_level)
    end
  else
    super
    @finalized = true
  end
  if smt8?
    @indent = (add_flow_enable && top_level?) ? 3 : 2
  else
    @indent = add_flow_enable ? 2 : 1
  end
  @lines = []
  @lines_buffer = []
  @open_test_methods = []
  @open_test_names = []
  @post_test_lines = []
  @stack = { on_fail: [], on_pass: [] }
  @set_runtime_variables = ast.excluding_sub_flows.set_flags
  process(ast)
  unless smt8?
    unless flow_variables[:empty?]
      Origen.interface.variables_file(self).add_variables(flow_variables)
    end
  end
  test_suites.finalize
  test_methods.finalize
  if tester.create_limits_file && top_level?
    render_limits_file
  end
end

#flow_enable_var_name ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 65

def flow_enable_var_name
  var = filename.sub(/\..*/, '').upcase
  if smt8?
    'ENABLE'
  else
    generate_flag_name("#{var}_ENABLE")
  end
end

#flow_variables ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 94

def flow_variables
  @flow_variables ||= begin
    vars = Processors::ExtractFlowVars.new.run(ast)
    if !smt8? || (smt8? && top_level?)
      if add_flow_enable
        if add_flow_enable == :enabled
          vars[:all][:referenced_enables] << [flow_enable_var_name, 1]
          vars[:this_flow][:referenced_enables] << [flow_enable_var_name, 1]
        else
          vars[:all][:referenced_enables] << [flow_enable_var_name, 0]
          vars[:this_flow][:referenced_enables] << [flow_enable_var_name, 0]
        end
        vars[:empty?] = false
      end
    end
    vars
  end
end

#generate_expr_string(node, options = {}) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 461

def generate_expr_string(node, options = {})
  return node unless node.respond_to?(:type)
  case node.type
  when :eq, :ne, :gt, :ge, :lt, :le
    result = "#{generate_expr_term(node.to_a[0])} "             # operand 1
    result += "#{RELATIONAL_OPERATOR_STRINGS[node.type]} "      # relational condition
    result += "#{generate_expr_term(node.to_a[1])}"             # operand 2
    result
  else
    fail "Relational operator '#{node.type}' not  supported"
  end
end

#generate_expr_term(val) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 474

def generate_expr_term(val)
  return val if val.is_a?(Fixnum) || val.is_a?(Integer) || val.is_a?(Float)
  case val[0]
  when '$'
    if smt8?
      "#{val[1..-1]}"
    else
      "@#{val[1..-1]}"
    end
  else
    if val.is_a? String
      "\"#{val}\""
    else
      val
    end
  end
end

#hardware_bin_descriptions ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 90

def hardware_bin_descriptions
  @hardware_bin_descriptions ||= {}
end

#limits_file ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 129

def limits_file
  @limits_file
end

#line(str, options = {}) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 238

def line(str, options = {})
  if options[:already_indented]
    line = str
  else
    if smt8?
      line = ('    ' * @indent) + str
    else
      line = '    ' + ('   ' * (@indent - 1)) + str
    end
  end
  if @lines_buffer.last
    @lines_buffer.last << line
  else
    @lines << line
  end
end

#on_condition_flag(node, state) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 379

def on_condition_flag(node, state)
  flag, *nodes = *node
  else_node = node.find(:else)
  if smt8?
    if flag.is_a?(Array)
      condition = flag.map { |f| "(#{generate_flag_name(f)} == 1)" }.join(' || ')
    else
      condition = "#{generate_flag_name(flag)} == 1"
    end
    line "if (#{condition}) {"
  else
    if flag.is_a?(Array)
      condition = flag.map { |f| "@#{generate_flag_name(f)} == 1" }.join(' or ')
    else
      condition = "@#{generate_flag_name(flag)} == 1"
    end
    line "if #{condition} then"
    line '{'
  end
  @indent += 1
  if state
    process_all(node.children - [else_node])
  else
    process(else_node) if else_node
  end
  @indent -= 1
  if smt8?
    line '} else {'
  else
    line '}'
    line 'else'
    line '{'
  end
  @indent += 1
  if state
    process(else_node) if else_node
  else
    process_all(node.children - [else_node])
  end
  @indent -= 1
  line '}'
end

#on_disable(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 511

def on_disable(node)
  flag = node.value.upcase
  if smt8?
    line "#{flag} = 0;"
  else
    line "@#{flag} = 0;"
  end
end

#on_enable(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 502

def on_enable(node)
  flag = node.value.upcase
  if smt8?
    line "#{flag} = 1;"
  else
    line "@#{flag} = 1;"
  end
end

#on_group(node) ⇒ Object

Note that for smt8?, this should never be hit anymore since groups are now generated as sub-flows



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 571

def on_group(node)
  on_fail = node.children.find { |n| n.try(:type) == :on_fail }
  on_pass = node.children.find { |n| n.try(:type) == :on_pass }
  group_name = unique_group_name(node.find(:name).value)
  if smt8?
    line '// *******************************************************'
    line "// GROUP - #{group_name}"
    line '// *******************************************************'
  else
    line '{'
  end
  @indent += 1
  stack[:on_fail] << on_fail if on_fail
  stack[:on_pass] << on_pass if on_pass
  process_all(node.children - [on_fail, on_pass])
  stack[:on_fail].pop if on_fail
  stack[:on_pass].pop if on_pass
  @indent -= 1
  if smt8?
    line '// *******************************************************'
    line "// /GROUP - #{group_name}"
    line '// *******************************************************'
  else
    line "}, open,\"#{group_name}\", \"\""
  end
end

#on_if_enabled(node) ⇒ Object Also known as: on_unless_enabled 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 422

def on_if_enabled(node)
  flag, *nodes = *node
  state = node.type == :if_enabled
  on_condition_flag(node, state)
end

#on_if_flag(node) ⇒ Object Also known as: on_unless_flag 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 429

def on_if_flag(node)
  flag, *nodes = *node
  state = node.type == :if_flag
  on_condition_flag(node, state)
end

#on_if_job(node) ⇒ Object Also known as: on_unless_job 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 346

def on_if_job(node)
  jobs, *nodes = *node
  jobs = clean_job(jobs)
  state = node.type == :if_job
  if smt8?
    if jobs.size == 1
      condition = jobs.first
    else
      condition = jobs.map { |j| "(#{j})" }.join(' || ')
    end
    line "if (#{condition}) {"
  else
    condition = jobs.join(' or ')
    line "if #{condition} then"
    line '{'
  end
  @indent += 1
  process_all(node) if state
  @indent -= 1
  if smt8?
    line '} else {'
  else
    line '}'
    line 'else'
    line '{'
  end
  @indent += 1
  process_all(node) unless state
  @indent -= 1
  line '}'
end

#on_log(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 627

def on_log(node)
  if smt8?
    line "println(\"#{node.to_a[0]}\");"
  else
    line "print_dl(\"#{node.to_a[0]}\");"
  end
end

#on_render(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 340

def on_render(node)
  node.to_a[0].split("\n").each do |l|
    line(l)
  end
end

#on_set(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 492

def on_set(node)
  flag = generate_flag_name(node.to_a[0])
  val = generate_expr_term(node.to_a[1])
  if smt8?
    line "#{flag} = #{val};"
  else
    line "@#{flag} = #{val};"
  end
end

#on_set_flag(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 520

def on_set_flag(node)
  flag = generate_flag_name(node.value)
  # This means if we are currently generating an on_test node and tester.force_pass_on_continue has been set
  if @open_test_methods.last
    if pass_branch?
      if smt8?
        @post_test_lines.last << "#{flag} = #{@open_test_names.last}.setOnPassFlags;"
      else
        if @open_test_methods.last.respond_to?(:on_pass_flag)
          if @open_test_methods.last.on_pass_flag == ''
            @open_test_methods.last.on_pass_flag = flag
          else
            Origen.log.error "The test method cannot set #{flag} on passing, because it already sets: #{@open_test_methods.last.on_pass_flag}"
            Origen.log.error "  #{node.source}"
            exit 1
          end
        else
          Origen.log.error 'Force pass on continue has been requested, but the test method does not have an :on_pass_flag attribute:'
          Origen.log.error "  #{node.source}"
          exit 1
        end
      end
    else
      if smt8?
        @post_test_lines.last << "#{flag} = #{@open_test_names.last}.setOnFailFlags;"
      else
        if @open_test_methods.last.respond_to?(:on_fail_flag)
          if @open_test_methods.last.on_fail_flag == ''
            @open_test_methods.last.on_fail_flag = flag
          else
            Origen.log.error "The test method cannot set #{flag} on failing, because it already sets: #{@open_test_methods.last.on_fail_flag}"
            Origen.log.error "  #{node.source}"
            exit 1
          end
        else
          Origen.log.error 'Force pass on continue has been requested, but the test method does not have an :on_fail_flag attribute:'
          Origen.log.error "  #{node.source}"
          exit 1
        end
      end
    end
  else
    if smt8?
      line "#{flag} = 1;"
    else
      line "@#{flag} = 1;"
    end
  end
end

#on_set_result(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 598

def on_set_result(node)
  bin = node.find(:bin).try(:value)
  desc = node.find(:bin).to_a[1]
  sbin = node.find(:softbin).try(:value)
  sdesc = node.find(:softbin).to_a[1] || 'fail'
  overon = (node.find(:not_over_on).try(:value) == true) ? 'not_over_on' : 'over_on'
  if bin && desc
    hardware_bin_descriptions[bin] ||= desc
  end

  if smt8?
    # Currently only rendering pass bins or those not associated with a test (should come from the bin
    # table if its associated with a test)
    if node.to_a[0] == 'pass' || @open_test_methods.empty?
      line "addBin(#{sbin || bin});"
    end
  else
    if node.to_a[0] == 'pass'
      line "stop_bin \"#{sbin}\", \"\", , good, noreprobe, green, #{bin}, over_on;"
    else
      if tester.create_limits_file
        line 'multi_bin;'
      else
        line "stop_bin \"#{sbin}\", \"#{sdesc}\", , bad, noreprobe, red, #{bin}, #{overon};"
      end
    end
  end
end

#on_test(node) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 263

def on_test(node)
  test_suite = node.find(:object).to_a[0]
  if test_suite.is_a?(String)
    name = test_suite
  else
    name = test_suite.name
    test_method = test_suite.test_method
    if test_method.respond_to?(:test_name) && test_method.test_name == '' &&
       n = node.find(:name)
      test_method.test_name = n.value
    end
  end

  if node.children.any? { |n| t = n.try(:type); t == :on_fail || t == :on_pass } ||
     !stack[:on_pass].empty? || !stack[:on_fail].empty?
    if smt8?
      line "#{name}.execute();"
    else
      line "run_and_branch(#{name})"
    end
    process_all(node.to_a.reject { |n| t = n.try(:type); t == :on_fail || t == :on_pass })
    on_pass = node.find(:on_pass)
    on_fail = node.find(:on_fail)

    if on_fail && on_fail.find(:continue) && tester.force_pass_on_continue
      if test_method.respond_to?(:force_pass)
        test_method.force_pass = 1
      else
        Origen.log.error 'Force pass on continue has been enabled, but the test method does not have a force_pass attribute!'
        Origen.log.error "  #{node.source}"
        exit 1
      end
      @open_test_methods << test_method
    else
      if test_method.respond_to?(:force_pass)
        test_method.force_pass = 0
      end
      @open_test_methods << nil
    end

    if smt8?
      line "if (#{name}.pass) {"
    else
      line 'then'
      line '{'
    end
    @indent += 1
    pass_branch do
      process_all(on_pass) if on_pass
      stack[:on_pass].each { |n| process_all(n) }
    end
    @indent -= 1
    if smt8?
      line '} else {'
    else
      line '}'
      line 'else'
      line '{'
    end
    @indent += 1
    fail_branch do
      process_all(on_fail) if on_fail
      stack[:on_fail].each { |n| process_all(n) }
    end
    @indent -= 1
    line '}'

    @open_test_methods.pop
  else
    if smt8?
      line "#{name}.execute();"
    else
      line "run(#{name});"
    end
  end
end

#on_top_level_set ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 117

def on_top_level_set
  if top_level?
    if smt8?
      @limits_file = platform::LimitsFile.new(self, manually_register: true, filename: filename.sub(/\..*/, ''), test_modes: @test_modes)
    else
      @limits_file = platform::LimitsFile.new(self, manually_register: true, filename: "#{name}_limits", test_modes: @test_modes)
    end
  else
    @limits_file = top_level.limits_file
  end
end

#on_whenever(node) ⇒ Object Also known as: on_whenever_any, on_whenever_all 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 436

def on_whenever(node)
  expressions, *nodes = *node

  case node.type
  when :whenever_all
    condition = expressions.map { |e| "#{generate_expr_string(e)}" }.join(' and ')
  when :whenever_any
    condition = expressions.map { |e| "#{generate_expr_string(e)}" }.join(' or ')
  else
    condition = expressions.map { |e| "#{generate_expr_string(e)}" }.join('ERROR')
  end

  line "if #{condition} then"
  line '{'
  @indent += 1
  process_all(node.children)
  @indent -= 1
  line '}'
  line 'else'
  line '{'
  line '}'
end

#render_limits_file ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 230

def render_limits_file
  if limits_file
    limits_file.test_modes = @test_modes
    limits_file.generate(ast)
    limits_file.write_to_file
  end
end

#smt8? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 32

def smt8?
  tester.smt8?
end

#sub_flow_from(sub_flow_ast) ⇒ Object

Returns the sub_flow object corresponding to the given sub_flow AST



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 168

def sub_flow_from(sub_flow_ast)
  path = sub_flow_ast.find(:path).value
  sub_flow = all_sub_flows.find { |f| File.join(f.subdirectory, f.filename) == path }
end

#subdirectory ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 40

def subdirectory
  @subdirectory ||= begin
    if smt8?
      parents = []
      f = parent
      while f
        parents.unshift(File.basename(f.filename, '.*').to_s.downcase)
        f = f.parent
      end
      File.join tester.package_namespace, 'flows', *parents
    else
      'testflow/mfh.testflow.group'
    end
  end
end

#unique_group_name(name) ⇒ Object 



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# File 'lib/origen_testers/smartest_based_tester/base/flow.rb', line 635

def unique_group_name(name)
  @group_names ||= {}
  if @group_names[name]
    @group_names[name] += 1
    "#{name}_#{@group_names[name]}"
  else
    @group_names[name] = 1
    name
  end
end