Microsoft Technology Licensing, LLC

Andrew Spenser Gocke

Stephen Harris Toub

Jan Kotas

Jared Porter Parsons

Julien Couvreur

David M Fowler

Richard Steele Gibson

Christopher Sienkiewicz

Improved compilers recognize interception declarations in source code, and emit code that replaces invocations of specified artifacts with invocations of specified interceptors instead. Source generators proactively modify program behavior in arbitrary desired ways without introducing hidden security violations and without requiring edits by the program's developers. Interception declarations are visible in source code and development tools. In some cases, different invocations of a particular method at respective locations are intercepted by different replacement methods. Replacement methods have identical signatures, or are otherwise compatible. Some interceptors specify optional parameters. Method calls, field accesses, and property calls may be intercepted. Work to modify program behavior is moved in the program lifecycle from runtime to compile time, thus improving runtime performance and eliminating JIT compilation security risks.

Member invocation declarative interception

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Andrew Spenser Gocke