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Contents
# frozen_string_literal: true
module DeepCover
##
# A processor which computes which lines to be considered flagged with the
# given lookup
#
class FlagCommentAssociator
##
# @param [DeepCover::RootNode] ast
# @param [Array(Parser::Source::Comment)] comments
def initialize(covered_code, lookup = 'nocov')
@covered_code = covered_code
@lookup = /^#[\s#*-]*#{lookup}[\s#*-]*$/
@ranges = nil
end
def include?(range)
return false unless (exp = range.expression)
lineno = exp.line
ranges.any? { |r| r.cover? lineno }
end
def ranges
@ranges ||= compute_ranges
end
private
def compute_ranges
@ranges = []
@flag_start = nil
index_ast_lines
@covered_code.comments.each { |comment| process(comment) }
toggle_flag(@covered_code.buffer.last_line) # handle end of file in case of opened flag
@ranges
end
def process(comment)
return unless comment.text =~ @lookup
ln = comment.location.expression.line
toggle_flag(ln) unless line_has_only_comments?(ln)
toggle_flag(ln + 1)
end
def toggle_flag(lineno)
if @flag_start
@ranges << (@flag_start..(lineno - 1))
@flag_start = nil
else
@flag_start = lineno
end
end
def index_ast_lines
@starts = []
@covered_code.each_node do |node|
if (exp = node.expression)
@starts[exp.line] = true
end
end
end
def line_has_only_comments?(line)
!@starts[line]
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems