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Versions: 35
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Stored size: 1.83 KB
Contents
module Steep
module AST
class Location
attr_reader :buffer
attr_reader :start_pos
attr_reader :end_pos
def initialize(buffer:, start_pos:, end_pos:)
@buffer = buffer
@start_pos = start_pos
@end_pos = end_pos
end
def inspect
"#<#{self.class}:#{self.__id__} @buffer=#{buffer.name}, @start_pos=#{start_pos}, @end_pos=#{end_pos}, source='#{source.lines.first}', start_line=#{start_line}, start_column=#{start_column}>"
end
def name
buffer.name
end
def start_line
start_loc[0]
end
def start_column
start_loc[1]
end
def end_line
end_loc[0]
end
def end_column
end_loc[1]
end
def start_loc
@start_loc ||= buffer.pos_to_loc(start_pos)
end
def end_loc
@end_loc ||= buffer.pos_to_loc(end_pos)
end
def source
@source ||= buffer.source(start_pos...end_pos)
end
def to_s
"#{start_line}:#{start_column}...#{end_line}:#{end_column}"
end
def ==(other)
other.is_a?(Location) &&
other.buffer == buffer &&
other.start_pos == start_pos &&
other.end_pos == end_pos
end
def +(other)
if other
raise "Invalid concat: buffer=#{buffer.name}, other.buffer=#{other.buffer.name}" unless other.buffer == buffer
self.class.new(buffer: buffer,
start_pos: start_pos,
end_pos: other.end_pos)
else
self
end
end
def self.concat(*locations)
locations.inject {|l1, l2|
l1 + l2
}
end
def pred?(loc)
loc.is_a?(Location) &&
loc.name == name &&
loc.start_pos == end_pos
end
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems