Methods, systems, and computer program products for enabling cross language access to an addressable entity

• US 20080005727A1
• Filed: 06/30/2006
• Published: 01/03/2008
• Est. Priority Date: 06/30/2006
• Status: Abandoned Application

• Current Assignee: Scenera Technologies LLC (Scenera Research LLC)
• Original Assignee: Scenera Technologies LLC (Scenera Research LLC)
• Inventors: Morris, Robert Paul
• Application Number:
  US11/478,907
• Publication Number:
  US 20080005727A1
• Time in Patent Office: Days
• US Class Current: 717/153
• CPC Class Codes: G06F 9/44521 Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading

Abstract

Methods, systems, and computer program products for enabling cross language access of an addressable entity. According to one method, an addressable entity having first source code written in a first programming language is detected. First object code for the addressable program entity is generated. An alias symbol for the addressable entity that represents the addressable entity in a namespace of a second programming language is generated. The alias symbol is associated with the addressable entity for enabling a reference associated with a symbol in a second object code generated from second source code written in the second programming language to be resolved to the addressable entity by matching the symbol in the second object code with the alias symbol.

Claims

1. A method for enabling cross language access to an addressable entity, the method comprising:

detecting an addressable entity having first source code written in a first programming language;

generating first object code for the addressable entity;

generating an alias symbol for the addressable entity that represents the addressable entity in a namespace of a second programming language; and

associating the alias symbol with the addressable entity for enabling a reference associated with a symbol in a second object code generated from second source code written in the second programming language to be resolved to the addressable entity by matching the symbol in the second object code with the alias symbol.

2. The method of claim 1 wherein the addressable entity comprises an instruction entity and wherein generating the first object code comprises generating object code compatible with both the first and second object code.

3. The method of claim 2 wherein the instruction entity comprises at least one instruction formatted according to the second programming language.

4. The method of claim 1 wherein the addressable entity comprises a data entity formatted compatible with both the first and second object code.

5. The method of claim 4 wherein the data entity comprises a data construct formatted according to the second programming language

6. The method of claim 1 wherein the addressable entity comprises at least one of an instruction entity and a data entity in compliance with an execution model used by both the first and second object code.

7. The method of claim 6 wherein the at least one of the instruction entity and the data entity is formatted according to the second programming language

8. The method of claim 1 comprising generating a plurality of alias symbols for the addressable entity in namespaces of a plurality of different programming languages and associating the plurality of alias symbols with the addressable entity in the first object code to enable references each with an associated symbol in object code generated from source code written in the plurality of different programming languages to be resolved to the addressable entity in the first object code by matching a symbol associated with each reference with at least one of the alias symbols.

9. The method of claim 1 wherein the first object code for the addressable entity includes a symbol for the addressable entity in a namespace of the first programming language.

10. The method of claim 1 wherein detecting an addressable entity having first source code written in a first programming language includes detecting the addressable entity during at least one of compiling, linking, and loading of the addressable entity.

11. A method for enabling cross language access to an addressable entity, the method comprising:

detecting a reference to an addressable entity in first source code written in a first programming language;

generating first object code for the reference;

generating an alias symbol for the reference that represents the addressable entity in a namespace of the second programming language; and

associating the alias symbol with the reference for enabling the reference to be resolved to an addressable entity associated with a symbol in a second object code generated from second source code written in the second programming language by matching the symbol in the second object code with the alias symbol.

12. The method of claim 11 wherein the addressable entity comprises an instruction entity and wherein generating the first object code comprises generating object code compatible with both the first and second object code.

13. The method of claim 12 wherein the instruction entity comprises at least one instruction formatted according to the first programming language.

14. The method of claim 11 wherein the addressable entity comprises a data entity formatted compatible with both the first and second object code.

15. The method of claim 14 wherein the data entity comprises a data construct formatted according to the first programming language.

16. The method of claim 11 wherein the addressable entity comprises at least one of an instruction entity and a data entity in compliance with an execution model used by both the first and second object code.

17. The method of claim 16 wherein the at least one of the instruction entity and the data entity is formatted according to the first programming language.

18. The method of claim 11 comprising generating a plurality of alias symbols for the reference in namespaces of a plurality of different programming languages and associating the plurality of alias symbols with the reference in the first object code to enable the reference to be resolved to addressable entities each with an associated symbol in object code generated from source code written in the plurality of different programming languages by matching a symbol associated with each addressable entity with at least one of the alias symbols.

19. The method of claim 11 wherein the second object code for the addressable entity includes a symbol for the addressable entity in a namespace of the second programming language.

20. The method of claim 11 wherein detecting a reference to an addressable entity in a first source code written in a first programming language includes detecting the addressable entity during at least one of compiling, linking, and loading of the addressable entity.

21. A system for enabling cross language access to an addressable entity, the system comprising:

at least one of a compiler, a linker, and a loader for the first programming language configured for;

detecting an addressable entity having first source code written in a first programming language;

generating first object code for the addressable entity;

generate an alias symbol for the addressable entity that represents the addressable entity in a namespace of a second programming language; and

associating the alias symbol with the addressable entity for enabling a reference associated with a symbol in a second object code generated from second source code written in the second programming language to be resolved to the addressable entity by matching the symbol in the second object code with the alias symbol.

22. The system of claim 21 wherein the addressable entity comprises a routine and wherein generating the first object code comprises generating object code compatible with both the first and second object code.

23. The system of claim 21 wherein the addressable entity comprises a data construct accessible via a format compatible with both the first and second object code and wherein, for generating the first object code, the at the least one of a compiler, a linker, and a loader for the first programming language is configured for generating object code compatible with both the first and second object code.

24. The system of claim 21 wherein the addressable entity comprises at least one of a routine and a data construct formatted according to an execution model used by both the first and second object code and wherein, for generating the first object code, the at the least one of a compiler, a linker, and a loader for the first programming language is configured for generating object code compatible with both the first and second object code.

25. The system of claim 21 wherein the at the least one of a compiler, a linker, and a loader for the first programming language is configured for generating a plurality of alias symbols for the addressable entity in namespaces of a plurality of different programming languages and associating the plurality of alias symbols with the addressable entity in the first object code to enable references each with an associated symbol in object code generated from source code written in the plurality of different programming languages to be resolved to the addressable entity in the first object code by matching a symbol associated with each reference with at least one of the alias symbols.

26. A system for enabling cross language access to an addressable entity, the system comprising:

at least one of a compiler, a linker, and a loader for a first programming language configured for;

detecting a reference to an addressable entity in first source code written in the first programming language;

generate first object code for the reference;

generating an alias symbol for the reference that represents the addressable entity in a namespace of the second programming language; and

associating the alias symbol with the reference for enabling the reference to be resolved to an addressable entity associated with a symbol in a second object code generated from second source code written in the second programming language by matching the symbol in the second object code with the alias symbol.

27. The system of claim 26 wherein the addressable entity comprises a routine including at least one instruction formatted according to the first programming language and the at the least one of a compiler, a linker, and a loader for the first programming language is configured for generating object code compatible with both the first and second object code.

28. The system of claim 26 wherein the addressable entity comprises a data construct formatted according to the first programming language and the at the least one of a compiler, a linker, and a loader for the first programming language is configured for generating object code compatible with both the first and second object code.

29. The system of claim 26 wherein the addressable entity comprises an object including at least one of a routine and a data construct formatted according to the first programming language and wherein generating the first object code includes generating object code compatible with both the first and second object code.

30. The system of claim 26 wherein the at the least one of a compiler, a linker, and a loader for the first programming language is configured for generating a plurality of alias symbols for the reference to an addressable entity in namespaces of a plurality of different programming languages and associating the plurality of alias symbols with the reference in the first object code to enable the reference to be resolved to addressable entities each with an associated symbol in object code generated from source code written in the plurality of different programming languages by a symbol associated with each addressable entity with at least one of the alias symbols.

31. A computer program product comprising computer instructions embodied in a computer readable medium for performing steps comprising:

detecting an addressable entity having first source code written in a first programming language;

generating first object code for the addressable entity;

generating an alias symbol for the addressable entity that represents the addressable entity in a namespace of the second programming language; and

associating the alias symbol with the addressable entity for enabling a reference associated with a symbol in second object code generated from second source code written in the second programming language to be resolved to the addressable entity by matching the symbol in the second object code with the alias symbol.

32. A computer program product comprising computer instructions embodied in a computer readable medium for performing steps comprising:

detecting a reference to an addressable entity in first source code written in the first programming language;

generating first object code for the reference;

generating an alias symbol for the reference that represents the addressable entity in a namespace of the second programming language; and

associating the alias symbol with the reference for enabling the reference to be resolved to an addressable entity associated with a symbol in second object code generated from second source code written in the second programming language by matching the symbol in the second object code with the alias symbol.

33. A system for enabling cross language access to an addressable entity, the system comprising:

at least one of a compiler, a linker, and a loader for the first programming language including;

means for detecting an addressable entity having first source code written in a first programming language;

means for generating first object code for the addressable entity;

means for generating an alias symbol for the addressable entity that represents the addressable entity in a namespace of the second programming language; and

means for associating the alias symbol with the addressable entity for enabling a reference associated with a symbol in second object code generated from second source code written in the second programming language to be resolved to the addressable entity in the first object code by matching the symbol in the second object code with the alias symbol.

34. A system for enabling cross language access to an addressable entity, the system comprising:

at least one of a compiler, a linker, and a loader for a first programming language including;

means for detecting a reference to an addressable entity in first source code written in the first programming language;

means for generating first object code for the reference;

means for generating an alias symbol for the reference that represents the addressable entity in a namespace of the second programming language; and

means for associating the alias symbol with the reference for enabling the reference to be resolved to an addressable entity associated with a symbol in second object code generated from second source code written in the second programming language by matching the symbol in the second object code with the alias symbol.