Class: FFI::Clang::Types::Function

Inherits:
Type
  • Object
show all
Includes:
Enumerable
Defined in:
lib/ffi/clang/types/function.rb

Overview

Represents a function type. This includes functions with and without prototypes.

Instance Attribute Summary

Attributes inherited from Type

#translation_unit, #type

Instance Method Summary collapse

Methods inherited from Type

#==, #alignof, #canonical, #const_qualified?, create, #declaration, #initialize, #kind, #kind_spelling, #non_reference_type, #pod?, #ref_qualifier, #restrict_qualified?, #sizeof, #spelling, #to_s, #volatile_qualified?

Constructor Details

This class inherits a constructor from FFI::Clang::Types::Type

Instance Method Details

#arg_type(i) ⇒ Object

Get the type of a specific argument.



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# File 'lib/ffi/clang/types/function.rb', line 30

def arg_type(i)
  Type.create Lib.get_arg_type(@type, i), @translation_unit
end

#arg_types ⇒ Object

Iterate over all argument types or get an enumerator.



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# File 'lib/ffi/clang/types/function.rb', line 38

def arg_types
  return to_enum(:arg_types) unless block_given?
  
  self.args_size.times do |i|
    yield self.arg_type(i)
  end
  
  self
end

#args_size ⇒ Object

Get the number of arguments this function takes.



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# File 'lib/ffi/clang/types/function.rb', line 23

def args_size
  Lib.get_num_arg_types(@type)
end

#calling_conv ⇒ Object

Get the calling convention of this function.



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# File 'lib/ffi/clang/types/function.rb', line 56

def calling_conv
  Lib.get_fuction_type_calling_conv(@type)
end

#exception_specification ⇒ Object

Get the exception specification type for this function.



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# File 'lib/ffi/clang/types/function.rb', line 62

def exception_specification
  Lib.get_exception_specification_type(@type)
end

#result_type ⇒ Object

Get the return type of this function.



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# File 'lib/ffi/clang/types/function.rb', line 50

def result_type
  Type.create Lib.get_result_type(@type), @translation_unit
end

#variadic? ⇒ Boolean

Check if this function is variadic.

Returns:

  • (Boolean) 


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# File 'lib/ffi/clang/types/function.rb', line 17

def variadic?
  Lib.is_function_type_variadic(@type) != 0
end