Sha256: 3261680e131fe689214977fc7a68f033a1245d65a2f2387c91242af46e3f45bd
Contents?: true
Size: 829 Bytes
Versions: 55
Compression:
Stored size: 829 Bytes
Contents
# frozen_string_literal: true
module Parser
class StaticEnvironment
FORWARD_ARGS = :FORWARD_ARGS
def initialize
reset
end
def reset
@variables = Set[]
@stack = []
end
def extend_static
@stack.push(@variables)
@variables = Set[]
self
end
def extend_dynamic
@stack.push(@variables)
@variables = @variables.dup
self
end
def unextend
@variables = @stack.pop
self
end
def declare(name)
@variables.add(name.to_sym)
self
end
def declared?(name)
@variables.include?(name.to_sym)
end
def declare_forward_args
declare(FORWARD_ARGS)
end
def declared_forward_args?
declared?(FORWARD_ARGS)
end
def empty?
@stack.empty?
end
end
end
Version data entries
55 entries across 52 versions & 9 rubygems