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Contents?: true
Size: 1.16 KB
Versions: 6
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Stored size: 1.16 KB
Contents
module Pione
module Lang
# Message represents method callers in PIONE language.
class Message < Expr
member :name
member :receiver
member :arguments
# Return PIONE model type of the message result according to type interface.
def pione_type(env)
if pione_method = receiver.pione_type.find_method(env, name, receiver, arguments)
pione_method.get_output_type(receiver)
else
raise MethodNotFound.new(name.to_s, receiver, arguments)
end
end
# Evaluate the application expression and returns application result.
def eval(env)
# evaluate the receiver in the environment
_receiver = receiver.eval(env)
if _receiver.is_a?(Variable)
_receiver = _receiver.eval(env)
end
# send a message to it
_receiver.call_pione_method(env, name, arguments)
end
def eval!(env)
eval(env).eval!(env)
end
# Convert to text string.
def textize
args = arguments.map {|arg| arg.textize}
"#%s{name: %s, receiver: %s, arguments: %s}" % [Message, name, receiver.textize, args]
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems