Class: Dentaku::AST::Function
Direct Known Subclasses
Class Method Summary collapse
- .get(name) ⇒ Object
- .register(name, type, implementation) ⇒ Object
- .register_class(name, function_class) ⇒ Object
Instance Method Summary collapse
- #dependencies(context = {}) ⇒ Object
-
#initialize(*args) ⇒ Function
constructor
A new instance of Function.
Methods inherited from Node
Constructor Details
#initialize(*args) ⇒ Function
Returns a new instance of Function.
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# File 'lib/dentaku/ast/function.rb', line 6 def initialize(*args) @args = args end |
Class Method Details
.get(name) ⇒ Object
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# File 'lib/dentaku/ast/function.rb', line 14 def self.get(name) registry.fetch(function_name(name)) { fail "Undefined function #{ name } "} end |
.register(name, type, implementation) ⇒ Object
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# File 'lib/dentaku/ast/function.rb', line 18 def self.register(name, type, implementation) function = Class.new(self) do def self.implementation=(impl) @implementation = impl end def self.implementation @implementation end def self.type=(type) @type = type end def self.type @type end def value(context={}) args = @args.flat_map { |a| a.value(context) } self.class.implementation.call(*args) end def type self.class.type end end function_class = name.to_s.capitalize Dentaku::AST.send(:remove_const, function_class) if Dentaku::AST.const_defined?(function_class) Dentaku::AST.const_set(function_class, function) function.implementation = implementation function.type = type registry[function_name(name)] = function end |
.register_class(name, function_class) ⇒ Object
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# File 'lib/dentaku/ast/function.rb', line 56 def self.register_class(name, function_class) registry[function_name(name)] = function_class end |
Instance Method Details
#dependencies(context = {}) ⇒ Object
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# File 'lib/dentaku/ast/function.rb', line 10 def dependencies(context={}) @args.flat_map { |a| a.dependencies(context) } end |