Package com.scriptbasic.interfaces

Interface SingleIncludeChecker

All Known Implementing Classes:
BasicSingleIncludeChecker
public interface SingleIncludeChecker
Checks that a file is included only once. This is important to prevent circular includes. When the LexicalAnalyzer realizes that a BASIC program tries to include another file, it uses this checker.
Author:
Peter Verhas

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    check(String key)
    Check that the source file was not included yet.

  • Method Details

    • check

      void check(String key) throws IOException
      Check that the source file was not included yet. If the file was already included then the method throws IOException.
      Parameters:
      key - in a unique key that identifies a file. This is usually the full path to the file. It is important that the key for the file is always the same otherwise the checker can not recognize the repeated include.
      Throws:
      IOException - if the file was already included.