Class: Build::RuleNode

Inherits:
Graph::Node
  • Object
show all
Defined in:
lib/build/rule_node.rb

Overview

Represents a build graph node that applies a specific rule with given arguments.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rule, arguments, &block) ⇒ RuleNode

Initialize the rule node.



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# File 'lib/build/rule_node.rb', line 14

def initialize(rule, arguments, &block)
	@arguments = arguments
	@rule = rule
	
	@callback = block
	
	inputs, outputs = @rule.files(@arguments)
	
	super(inputs, outputs)
end

Instance Attribute Details

#arguments ⇒ Object (readonly)

Returns the value of attribute arguments.



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# File 'lib/build/rule_node.rb', line 25

def arguments
  @arguments
end

#callback ⇒ Object (readonly)

Returns the value of attribute callback.



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# File 'lib/build/rule_node.rb', line 27

def callback
  @callback
end

#rule ⇒ Object (readonly)

Returns the value of attribute rule.



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# File 'lib/build/rule_node.rb', line 26

def rule
  @rule
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/build/rule_node.rb', line 30

def == other
	super and
		@arguments == other.arguments and
		@rule == other.rule and
		@callback == other.callback
end

#apply!(scope) ⇒ Object

Apply the rule in the given scope, then invoke the callback if present.



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# File 'lib/build/rule_node.rb', line 54

def apply!(scope)
	@rule.apply!(scope, @arguments)
	
	if @callback
		scope.instance_exec(@arguments, &@callback)
	end
end

#hash ⇒ Object 



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# File 'lib/build/rule_node.rb', line 38

def hash
	super ^ @arguments.hash ^ @rule.hash ^ @callback.hash
end

#inspect ⇒ Object 



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# File 'lib/build/rule_node.rb', line 63

def inspect
	@rule.name.inspect
end

#name ⇒ Object 



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# File 'lib/build/rule_node.rb', line 48

def name
	@rule.name
end

#task_class(parent_task) ⇒ Object 



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# File 'lib/build/rule_node.rb', line 43

def task_class(parent_task)
	parent_task.class
end