18. A method of executing a fourth-generation language (4GL) program on a computer, the method comprising: executing a call statement of the 4GL program that has been configured so that, in lieu of calling a third generation language (3GL) and/or an Assembler program, a transformed 3GL and/or Assembler program that includes logic of the 3GL and/or the Assembler program is instead called; and executing the transformed 3GL and/or Assembler program within a 4GL runtime environment without requiring a context switch to the 3GL and/or the Assembler program, or an environment thereof.
22. The method according to claim 18 , wherein the transformed 3GL and/or Assembler program further comprises a relocation stub routine.