Sha256: 8fe6e466fe6f7ec908552ffd08f81252e6bc806a042eb3b33eae02ca6d84001d
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Size: 989 Bytes
Versions: 57
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Stored size: 989 Bytes
Contents
# Adapted from https://github.com/whitequark/parser/blob/master/lib/parser/source/buffer.rb
module CC
module Analyzer
class SourceBuffer
attr_reader :name
attr_reader :source
def initialize(name, source)
@name = name
@source = source
end
def decompose_position(position)
line_no, line_begin = line_for(position)
[ 1 + line_no, position - line_begin ]
end
def line_count
@source.lines.count
end
private
def line_for(position)
line_begins.bsearch do |line, line_begin|
line_begin <= position
end
end
def line_begins
unless @line_begins
@line_begins, index = [ [ 0, 0 ] ], 1
@source.each_char do |char|
if char == "\n"
@line_begins.unshift [ @line_begins.length, index ]
end
index += 1
end
end
@line_begins
end
end
end
end
Version data entries
57 entries across 57 versions & 1 rubygems