Adding value visitor.
Adding integer_type visitor.
Moving integer_type generation in to visitor.
Adding element visitor.
Moving unit to analyzer.
Moved constant_int to visitor.
Moving pointer_type to visitor.
Moving values to visitor.
Moving array_type to visitor.
Moving constant_array.
Moving set expression.
Moved global_variable.
Moving node processing to visitors.
Moving loop to visitor.
Moving definite_expression processing to visitor.
Removing old processing checks.
Removing empty functions.