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68 lines
2.2 KiB
Ruby
68 lines
2.2 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, 2013-2024, by Samuel Williams.
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# Copyright, 2013, by Carlos Martín Nieto.
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# Copyright, 2013, by Dave Wilkinson.
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# Copyright, 2013, by Takeshi Watanabe.
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# Copyright, 2014, by Masahiro Sano.
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# Copyright, 2023, by Charlie Savage.
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require_relative 'lib/index'
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module FFI
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module Clang
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class Index < AutoPointer
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def initialize(exclude_declarations = true, display_diagnostics = false)
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super Lib.create_index(exclude_declarations ? 1 : 0, display_diagnostics ? 1 : 0)
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end
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def self.release(pointer)
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Lib.dispose_index(pointer)
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end
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def parse_translation_unit(source_file, command_line_args = nil, unsaved = [], opts = {})
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command_line_args = Array(command_line_args)
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unsaved_files = UnsavedFile.unsaved_pointer_from(unsaved)
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translation_unit_pointer_out = FFI::MemoryPointer.new(:pointer)
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error_code = Lib.parse_translation_unit2(self, source_file, args_pointer_from(command_line_args), command_line_args.size, unsaved_files, unsaved.length, options_bitmask_from(opts), translation_unit_pointer_out)
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if error_code != :cx_error_success
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error_name = Lib::ErrorCodes.from_native(error_code, nil)
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message = "Error parsing file. Code: #{error_name}. File: #{source_file.inspect}"
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raise(Error, message)
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end
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translation_unit_pointer = translation_unit_pointer_out.read_pointer
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TranslationUnit.new translation_unit_pointer, self
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end
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def create_translation_unit(ast_filename)
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translation_unit_pointer = Lib.create_translation_unit(self, ast_filename)
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raise Error, "error parsing #{ast_filename.inspect}" if translation_unit_pointer.null?
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TranslationUnit.new translation_unit_pointer, self
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end
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private
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def args_pointer_from(command_line_args)
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args_pointer = MemoryPointer.new(:pointer, command_line_args.length)
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strings = command_line_args.map do |arg|
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MemoryPointer.from_string(arg.to_s)
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end
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args_pointer.put_array_of_pointer(0, strings) unless strings.empty?
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args_pointer
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end
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def options_bitmask_from(opts)
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Lib.bitmask_from(Lib::TranslationUnitFlags, opts)
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end
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end
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end
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end
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