Class: Dentaku::AST::FunctionRegistry
- Inherits:
-
Hash
- Object
- Hash
- Dentaku::AST::FunctionRegistry
- Defined in:
- lib/dentaku/ast/function_registry.rb
Class Method Summary collapse
Instance Method Summary collapse
- #default ⇒ Object
- #get(name) ⇒ Object
- #register(name, type, implementation) ⇒ Object
- #register_class(name, function_class) ⇒ Object
Class Method Details
Instance Method Details
#default ⇒ Object
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# File 'lib/dentaku/ast/function_registry.rb', line 62 def default self.class.default end |
#get(name) ⇒ Object
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# File 'lib/dentaku/ast/function_registry.rb', line 4 def get(name) name = function_name(name) return self[name] if has_key?(name) return default[name] if default.has_key?(name) nil end |
#register(name, type, implementation) ⇒ Object
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# File 'lib/dentaku/ast/function_registry.rb', line 11 def register(name, type, implementation) function = Class.new(Function) do def self.name=(name) @name = name end def self.name @name end 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 self.arity @implementation.arity < 0 ? nil : @implementation.arity end def value(context = {}) args = @args.map { |a| a.value(context) } self.class.implementation.call(*args) end def type self.class.type end end function.name = name function.type = type function.implementation = implementation self[function_name(name)] = function end |
#register_class(name, function_class) ⇒ Object
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# File 'lib/dentaku/ast/function_registry.rb', line 58 def register_class(name, function_class) self[function_name(name)] = function_class end |