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Contents
module Liquidscript
module Compiler
class Base
class Callable
# Initialize the callable.
#
# @param bind [Object] the object that holds the method (if
# this represents a method call).
# @param block [Symbol, Block] if it's a Symbol, it represents
# a method on bind; otherwise, it's a pure block.
def initialize(bind, block)
@bind = bind
@block = if block.is_a? Symbol
:"compile_#{block}"
else
block
end
end
# Calls the thing that this represents. If this represents a
# method call, it calls the method with the given arguments;
# otherwise, it calls {#call} on the block.
#
# @param args [Object] passed to the call.
# @return [Object] the result of the call.
def call(*args)
if @block.is_a? Symbol
@bind.public_send(@block, *args)
elsif @block.respond_to?(:call)
@block.call(*args)
end
end
# How many arguments the call can take. If this represents a
# block that has tricks enabled, then this isn't an issue; if
# it's a method call, however, it becomes important.
#
# @return [Numeric] the number of arguments it can take.
def arity
if @block.is_a? Symbol
@bind.method(@block).arity
else
@block.arity
end
end
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems