Inprise Corporation

James Lee Cantey

Regis Crelier

A development system having a compiler, a linker, and an interface for detecting invalid use of resource is generated. When the system is (optionally) operating in a 'code guarded' mode, the linker links the object modules with a CodeGuard.RTM. Library to generate 'code guarded' program(s). The API (Application Programming Interface) calls to the runtime libraries are 'wrappered' by CodeGuard wrapper functions. Additionally in this mode, operation of the compiler is altered to insert calls from the user code (e.g., compiled code in object modules) to the CodeGuard Runtime Library, for checking runtime use of resources and memory. As a result, the system can identify a programming error at the location where it occurs that is, at the original line of code which gave rise to the problem in the first place. Errors are found immediately as they happen, so that the original offending site can be determined. In this manner, the task of creating computer programs is simplified.

Development system and methods with direct compiler support for

A development system having a compiler, a linker, and an interface is generated. When the system is (optionally) operating in a 'code guarded' mode, the linker links the object modules with a CodeGuard.TM. Library to generate 'code guarded' program(s). The API (Application Programming Interface) calls to the runtime libraries are 'wrappered' by CodeGuard wrapper functions. Additionally in this mode, operation of the compiler is altered to insert calls from the user code (e.g., compiled user code in object modules) to the CodeGuard Runtime Library, for checking runtime use of resources and memory. As a result, the system can identify a programming error at the location where it occurs that is, at the original line of code which gave rise to the problem in the first place. Errors are found immediately as they happen, so that the original offending site can be determined. In this manner, the task of creating computer programs is simplified.

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Campbell, CA, United States of America

James Lee Cantey