Class: RubyBindgen::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-bindgen/parser.rb

Defined Under Namespace

Classes: ParseError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(inputter, clang_args, libclang: nil) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/ruby-bindgen/parser.rb', line 28

def initialize(inputter, clang_args, libclang: nil)
  @inputter = inputter
  @clang_args = clang_args

  # Set libclang path before loading ffi-clang (it reads ENV on load)
  ENV['LIBCLANG'] = libclang if libclang

  # Lazy-load ffi-clang and its refinements so CMake format doesn't need libclang
  require 'ffi/clang'
  require 'ruby-bindgen/refinements/cursor'

  @index = FFI::Clang::Index.new(exclude_declarations_from_pch: false, display_diagnostics: true)
end

Instance Attribute Details

#clang_args ⇒ Object (readonly)

Returns the value of attribute clang_args.



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# File 'lib/ruby-bindgen/parser.rb', line 26

def clang_args
  @clang_args
end

#inputter ⇒ Object (readonly)

Returns the value of attribute inputter.



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# File 'lib/ruby-bindgen/parser.rb', line 26

def inputter
  @inputter
end

Instance Method Details

#generate(visitor) ⇒ Object 



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# File 'lib/ruby-bindgen/parser.rb', line 42

def generate(visitor)
  visitor.visit_start

  STDOUT << "\n" << "Processing:" << "\n"
  self.inputter.each do |path, relative_path|
    STDOUT << "  " << path << "\n"
    begin
      translation_unit = parse_translation_unit(path)
    rescue ParseError => error
      raise unless visitor.respond_to?(:visit_parse_error)

      visitor.visit_parse_error(path, relative_path, error)
      next
    end
    visitor.visit_translation_unit(translation_unit, path, relative_path)
  end

  visitor.visit_end
end