Class: Origen::SubBlocks::Placeholder
- Inherits:
-
Object
- Object
- Origen::SubBlocks::Placeholder
show all
- Defined in:
- lib/origen/sub_blocks.rb
Instance Attribute Summary collapse
Instance Method Summary
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Constructor Details
#initialize(owner, name, attributes) ⇒ Placeholder
Returns a new instance of Placeholder.
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# File 'lib/origen/sub_blocks.rb', line 472
def initialize(owner, name, attributes)
@owner = owner
@name = name
@attributes = attributes
end
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(method, *args, &block) ⇒ Object
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# File 'lib/origen/sub_blocks.rb', line 502
def method_missing(method, *args, &block)
materialize.send(method, *args, &block)
end
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Instance Attribute Details
#attributes ⇒ Object
Returns the value of attribute attributes.
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# File 'lib/origen/sub_blocks.rb', line 470
def attributes
@attributes
end
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Returns the value of attribute name.
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# File 'lib/origen/sub_blocks.rb', line 470
def name
@name
end
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Returns the value of attribute owner.
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# File 'lib/origen/sub_blocks.rb', line 470
def owner
@owner
end
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Instance Method Details
#==(obj) ⇒ Object
Also known as:
equal?
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# File 'lib/origen/sub_blocks.rb', line 525
def ==(obj)
if obj.is_a?(Placeholder)
materialize == obj.materialize
else
materialize == obj
end
end
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#add_attributes(attrs) ⇒ Object
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# File 'lib/origen/sub_blocks.rb', line 478
def add_attributes(attrs)
@attributes = @attributes.merge(attrs)
end
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Make this appear like a sub-block to any application code
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# File 'lib/origen/sub_blocks.rb', line 483
def class
klass
end
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# File 'lib/origen/sub_blocks.rb', line 538
def clone
materialize.clone
end
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# File 'lib/origen/sub_blocks.rb', line 542
def dup
materialize.dup
end
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# File 'lib/origen/sub_blocks.rb', line 534
def freeze
materialize.freeze
end
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Make it look like a sub-block in the console to avoid confusion
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# File 'lib/origen/sub_blocks.rb', line 498
def inspect
"<SubBlock: #{name}>"
end
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#is_a?(klass) ⇒ Boolean
Make this appear like a sub-block to any application code
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# File 'lib/origen/sub_blocks.rb', line 488
def is_a?(klass)
return false if klass == Hash || klass == Array
klass == self.klass || klass == Placeholder
end
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# File 'lib/origen/sub_blocks.rb', line 550
def klass
@klass ||= begin
class_name = attributes.delete(:class_name)
tmp_class = nil
if class_name
begin
tmp_class = "::#{owner.namespace}::#{class_name}"
klass = eval(tmp_class)
rescue NameError => e
raise if e.message !~ /^uninitialized constant (.*)$/ || tmp_class !~ /#{Regexp.last_match(1)}/
begin
tmp_class = "::#{class_name}"
klass = eval(tmp_class)
rescue NameError => e
raise if e.message !~ /^uninitialized constant (.*)$/ || tmp_class !~ /#{Regexp.last_match(1)}/
begin
tmp_class = "#{owner.class}::#{class_name}"
klass = eval(tmp_class)
rescue NameError => e
raise if e.message !~ /^uninitialized constant (.*)$/ || tmp_class !~ /#{Regexp.last_match(1)}/
puts "Could not find class: #{class_name}"
raise 'Unknown sub block class!'
end
end
end
else
klass = Origen::SubBlock
end
unless klass.respond_to?(:includes_origen_model)
puts 'Any class which is to be instantiated as a sub_block must include Origen::Model,'
puts "add this to #{klass}:"
puts ''
puts ' include Origen::Model'
puts ''
fail 'Sub block does not include Origen::Model!'
end
klass
end
end
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#materialize ⇒ Object
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# File 'lib/origen/sub_blocks.rb', line 510
def materialize
block = nil
file = attributes.delete(:file)
load_block = attributes.delete(:load_block)
dir = attributes.delete(:dir) || owner.send(:export_dir)
block = owner.send(:instantiate_sub_block, name, klass, attributes)
if file
require File.join(dir, file)
block.extend owner.send(:export_module_names_from_path, file).join('::').constantize
end
block.load_block(load_block) if load_block
block.owner = owner
block
end
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#respond_to?(method, include_private = false) ⇒ Boolean
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# File 'lib/origen/sub_blocks.rb', line 506
def respond_to?(method, include_private = false)
materialize.respond_to?(method, include_private)
end
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#to_json(*args) ⇒ Object
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# File 'lib/origen/sub_blocks.rb', line 546
def to_json(*args)
materialize.to_json(*args)
end
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