index.rb (2797B)
1 # Copyright, 2010-2012 by Jari Bakken. 2 # Copyright, 2013, by Samuel G. D. Williams. <http://www.codeotaku.com> 3 # Copyright, 2014, by Masahiro Sano. 4 # 5 # Permission is hereby granted, free of charge, to any person obtaining a copy 6 # of this software and associated documentation files (the "Software"), to deal 7 # in the Software without restriction, including without limitation the rights 8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 # copies of the Software, and to permit persons to whom the Software is 10 # furnished to do so, subject to the following conditions: 11 # 12 # The above copyright notice and this permission notice shall be included in 13 # all copies or substantial portions of the Software. 14 # 15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 # THE SOFTWARE. 22 23 require_relative 'lib/index' 24 25 module FFI 26 module Clang 27 class Index < AutoPointer 28 def initialize(exclude_declarations = true, display_diagnostics = false) 29 super Lib.create_index(exclude_declarations ? 1 : 0, display_diagnostics ? 1 : 0) 30 end 31 32 def self.release(pointer) 33 Lib.dispose_index(pointer) 34 end 35 36 def parse_translation_unit(source_file, command_line_args = nil, unsaved = [], opts = {}) 37 command_line_args = Array(command_line_args) 38 unsaved_files = UnsavedFile.unsaved_pointer_from(unsaved) 39 40 translation_unit_pointer = Lib.parse_translation_unit(self, source_file, args_pointer_from(command_line_args), command_line_args.size, unsaved_files, unsaved.length, options_bitmask_from(opts)) 41 42 raise Error, "error parsing #{source_file.inspect}" if translation_unit_pointer.null? 43 44 TranslationUnit.new translation_unit_pointer, self 45 end 46 47 def create_translation_unit(ast_filename) 48 translation_unit_pointer = Lib.create_translation_unit(self, ast_filename) 49 raise Error, "error parsing #{ast_filename.inspect}" if translation_unit_pointer.null? 50 TranslationUnit.new translation_unit_pointer, self 51 end 52 53 private 54 55 def args_pointer_from(command_line_args) 56 args_pointer = MemoryPointer.new(:pointer, command_line_args.length) 57 58 strings = command_line_args.map do |arg| 59 MemoryPointer.from_string(arg.to_s) 60 end 61 62 args_pointer.put_array_of_pointer(0, strings) unless strings.empty? 63 args_pointer 64 end 65 66 def options_bitmask_from(opts) 67 Lib.bitmask_from Lib::TranslationUnitFlags, opts 68 end 69 end 70 end 71 end