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Contents
# encoding: utf-8
module Rubocop
module Cop
module Style
# This cop makes sure that all variables use the configured style,
# snake_case or camelCase, for their names.
class VariableName < Cop
include ConfigurableNaming
def on_lvasgn(node)
check(node, name_of_variable(node))
end
def on_ivasgn(node)
check(node, name_of_variable(node))
end
def on_send(node)
check(node, name_of_setter(node))
end
def name_of_variable(vasgn_node)
expr = vasgn_node.loc.expression
name = vasgn_node.children.first
Parser::Source::Range.new(expr.source_buffer, expr.begin_pos,
expr.begin_pos + name.length)
end
def name_of_setter(send_node)
receiver, method_name = *send_node
return unless receiver && receiver.type == :self
return unless method_name.to_s.end_with?('=')
after_dot(send_node, method_name.length - '='.length,
Regexp.escape(receiver.loc.expression.source))
end
def message(style)
format('Use %s for variables.', style)
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems