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60 lines
1.3 KiB
Ruby
60 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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# Released under the MIT License.
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# Copyright, 2010, by Jari Bakken.
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# Copyright, 2012, by Hal Brodigan.
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# Copyright, 2013-2022, by Samuel Williams.
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# Copyright, 2013, by Garry Marshall.
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# Copyright, 2014, by Masahiro Sano.
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require_relative 'lib/source_range'
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module FFI
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module Clang
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class SourceRange
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def self.null_range
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SourceRange.new Lib.get_null_range
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end
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def initialize(range_or_begin_location, end_location = nil)
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if end_location.nil?
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@range = range_or_begin_location
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else
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@range = Lib.get_range(range_or_begin_location.location, end_location.location)
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end
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end
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def start
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@start ||= ExpansionLocation.new(Lib.get_range_start @range)
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end
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def end
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@end ||= ExpansionLocation.new(Lib.get_range_end @range)
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end
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# The size, in bytes, of the source range.
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def bytesize
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self.end.offset - self.start.offset
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end
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# Read the part of the source file referred to by this source range.
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def text
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::File.open(self.start.file, "r") do |file|
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file.seek(self.start.offset)
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return file.read(self.bytesize)
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end
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end
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def null?
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Lib.range_is_null(@range) != 0
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end
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attr_reader :range
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def ==(other)
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Lib.equal_range(@range, other.range) != 0
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end
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end
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end
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end
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