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75 lines
2.3 KiB
Ruby
75 lines
2.3 KiB
Ruby
# -*- coding: utf-8 -*-
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# Copyright, 2010-2012 by Jari Bakken.
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# Copyright, 2013, by Samuel G. D. Williams. <http://www.codeotaku.com>
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# Copyright, 2013, by Garry C. Marshall. <http://www.meaningfulname.net>
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# Copyright, 2014, by Masahiro Sano.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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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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