Sha256: 2c4dbd5ef4cb8dc401d6a02ecbd3bc672029d8eedd0c900cb70fd0ee56f9e86c
Contents?: true
Size: 962 Bytes
Versions: 12
Compression:
Stored size: 962 Bytes
Contents
module Parser
module Source
# General idea for Map subclasses: only store what's
# absolutely necessary; don't duplicate the info contained in
# ASTs; if it can be extracted from source given only the other
# stored information, don't store it.
#
class Map
attr_reader :expression
def initialize(expression)
@expression = expression
freeze
end
def line
@expression.line
end
def column
@expression.column
end
def with_expression(expression_l)
with { |map| map.update_expression(expression_l) }
end
def to_hash
Hash[instance_variables.map do |ivar|
[ ivar[1..-1].to_sym, instance_variable_get(ivar) ]
end]
end
protected
def with(&block)
dup.tap(&block).freeze
end
def update_expression(expression_l)
@expression = expression_l
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems