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Contents
module Johnson
module Nodes
SINGLE_NODES = %w{
BitwiseNot
Break
Continue
Delete
False
Name
Not
Null
Number
Parenthesis
PostfixIncrement
PrefixIncrement
PostfixDecrement
PrefixDecrement
Regexp
Return
String
This
Throw
True
Typeof
UnaryNegative
UnaryPositive
Void
}
class Node
include Johnson::Visitable
include Johnson::Visitors
attr_accessor :value
attr_reader :line, :column
def initialize(line, column, value)
@line = line
@column = column
@value = value
end
def to_s
to_sexp.inspect
end
alias_method :inspect, :to_s
def to_sexp
SexpVisitor.new.accept(self)
end
def to_ecma
EcmaVisitor.new.accept(self)
end
alias_method :to_js, :to_ecma
def to_dot
DotVisitor.new { |d| d.accept(self) }
end
def each(&block)
EnumeratingVisitor.new(block).accept(self)
self
end
end
SINGLE_NODES.each { |se| const_set(se.to_sym, Class.new(Node)) }
end
end
Version data entries
27 entries across 27 versions & 5 rubygems