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Versions: 13
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Stored size: 1.81 KB
Contents
# frozen_string_literal: true
module RuboCop
module Cop
# Help methods for working with nodes containing comments.
module CommentsHelp
def source_range_with_comment(node)
begin_pos = begin_pos_with_comment(node)
end_pos = end_position_for(node)
Parser::Source::Range.new(buffer, begin_pos, end_pos)
end
def contains_comments?(node)
start_line = node.source_range.line
end_line = find_end_line(node)
processed_source.each_comment_in_lines(start_line...end_line).any?
end
private
def end_position_for(node)
end_line = buffer.line_for_position(node.loc.expression.end_pos)
buffer.line_range(end_line).end_pos
end
def begin_pos_with_comment(node)
first_comment = processed_source.ast_with_comments[node].first
if first_comment && (first_comment.loc.line < node.loc.line)
start_line_position(first_comment)
else
start_line_position(node)
end
end
def start_line_position(node)
buffer.line_range(node.loc.line).begin_pos - 1
end
def buffer
processed_source.buffer
end
# Returns the end line of a node, which might be a comment and not part of the AST
# End line is considered either the line at which another node starts, or
# the line at which the parent node ends.
# rubocop:disable Metrics/AbcSize
def find_end_line(node)
if node.if_type? && node.loc.else
node.loc.else.line
elsif (next_sibling = node.right_sibling)
next_sibling.loc.line
elsif (parent = node.parent)
parent.loc.end ? parent.loc.end.line : parent.loc.line
else
node.loc.end.line
end
end
# rubocop:enable Metrics/AbcSize
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems