Sha256: 78c2e3c92d8722b994ef5a7ada286b904f483b60fbe3fef0f73769c6be25642d

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Size: 1.03 KB

Versions: 13

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Stored size: 1.03 KB

Contents

module Steep
  module AST
    module Types
      class Var
        attr_reader :name
        attr_reader :location

        def initialize(name:, location: nil)
          @name = name
          @location = location
        end

        def ==(other)
          other.is_a?(Var) &&
            other.name == name
        end

        def hash
          self.class.hash ^ name.hash
        end

        alias eql? ==

        def self.fresh(name)
          @mutex ||= Mutex.new

          @mutex.synchronize do
            @max ||= 0
            @max += 1

            new(name: :"#{name}(#{@max})")
          end
        end

        def to_s
          "'#{name}"
        end

        def subst(s)
          if s.key?(name)
            s[name]
          else
            self
          end
        end

        def free_variables
          Set.new([name])
        end

        def level
          [0]
        end

        def with_location(new_location)
          self.class.new(name: name, location: new_location)
        end
      end
    end
  end
end

Version data entries

13 entries across 13 versions & 1 rubygems

Version Path
steep-0.11.1 lib/steep/ast/types/var.rb
steep-0.11.0 lib/steep/ast/types/var.rb
steep-0.10.0 lib/steep/ast/types/var.rb
steep-0.9.0 lib/steep/ast/types/var.rb
steep-0.8.2 lib/steep/ast/types/var.rb
steep-0.8.1 lib/steep/ast/types/var.rb
steep-0.8.0 lib/steep/ast/types/var.rb
steep-0.7.1 lib/steep/ast/types/var.rb
steep-0.7.0 lib/steep/ast/types/var.rb
steep-0.6.0 lib/steep/ast/types/var.rb
steep-0.5.1 lib/steep/ast/types/var.rb
steep-0.5.0 lib/steep/ast/types/var.rb
steep-0.4.0 lib/steep/ast/types/var.rb