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Versions: 18
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Contents
# typed: strict
# frozen_string_literal: true
module RubyLsp
class Scope
extend T::Sig
sig { returns(T.nilable(Scope)) }
attr_reader :parent
sig { params(parent: T.nilable(Scope)).void }
def initialize(parent = nil)
@parent = parent
# A hash of name => type
@locals = T.let({}, T::Hash[Symbol, Local])
end
# Add a new local to this scope. The types should only be `:parameter` or `:variable`
sig { params(name: T.any(String, Symbol), type: Symbol).void }
def add(name, type)
@locals[name.to_sym] = Local.new(type)
end
sig { params(name: T.any(String, Symbol)).returns(T.nilable(Local)) }
def lookup(name)
sym = name.to_sym
entry = @locals[sym]
return entry if entry
return unless @parent
@parent.lookup(sym)
end
class Local
extend T::Sig
sig { returns(Symbol) }
attr_reader :type
sig { params(type: Symbol).void }
def initialize(type)
@type = type
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems