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Versions: 7
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Contents
module Mirah
class MirahError < StandardError
attr_accessor :position
attr_accessor :cause
def initialize(message, position=nil)
super(message)
@position = position
end
end
class NodeError < MirahError
attr_reader :node
def initialize(message, node=nil)
position = node.position if node
super(message, position)
@node = node
end
def node=(node)
@position = node ? node.position : nil
@node = node
end
def self.wrap(ex, node)
if ex.kind_of?(NodeError)
ex.node ||= node
return ex
elsif ex.kind_of?(MirahError)
ex.position ||= node.position
return ex
else
new_ex = new(ex.message, node)
new_ex.cause = ex
new_ex.position ||= ex.position if ex.respond_to?(:position)
new_ex.set_backtrace(ex.backtrace)
return new_ex
end
end
def position
if node && node.position
node.position
else
super
end
end
end
class SyntaxError < NodeError
end
class InferenceError < NodeError
end
class InternalCompilerError < NodeError
end
end
Version data entries
7 entries across 7 versions & 1 rubygems