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George Harold Bosworth

Patrick Henri Dussud

James S Miller

Daryl B Olander

Christopher Wellington Brumme

Vance Palmer Morrison

Brian D Harry

Bradley Moore Abrams

Simon Jeremy Hall

A type system includes a dual representation for basic data types. One representation is the basic data type representation common to such basic built-in data types, known as an unboxed value type or simply as a value type. Each of the basic data types also has a boxed representation that can be stored in the object hierarchy of the type system. This dual representation can also be extended to user-defined types, so that user-defined types may exist both as an unboxed value type and as an object within the object hierarchy of the type system. This dual representation allows the compiler and/or runtime environment to select the most effective and efficient representation for the data type depending on the particular need at the moment.

Unified data type system and method

A method and system for compiling multiple source language files that share a common library. The common library is represented in a common language that can be used by multiple different source languages. Font end compiler systems read the common language files that make up the common library and the source language files that use the library. Additionally, the front end systems produce common language files. The common language files produced by the front end systems can be used in the common library. The common language files may also be supplied to a back end system or runtime environment that further compiles the common language file to an executable form and executes the file. At runtime, the common language file is used by the runtime environment to layout the objects and methods used during execution.

Method and system for compiling multiple languages

Dynamic call site binding includes determining, based on a context of a call received from a call site, a pointer to target code to be executed to carry out the call. A cache entry is generated, for use with subsequent calls from the call site, the cache entry associating the context of the call with the pointer to the target code. The cache entry is saved as being associated with the call site.

Dynamic call site binding

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George Harold Bosworth