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The 90 Minute Scheme to C compiler90 minute video presentation from Marc Feeley, along with accompanying PowerPoint slides and source code, for a Scheme to C compiler. Good discussion of continuations and closures, as well as some dipping into the area of compiler construction.
The emphasis is on the 4 major problem areas that crop up in an attempt to convert Scheme to C:
The solution presented gives a series of source-to-source transformations. Stage 1 of the compiler expands the 'let' forms in the Scheme code. Stage 2 converts continuations to CPS. Stage 3 converts the code to closures using encapsulated closure objects. Stage 4 is not presented but touches on how the results would lend itself to a GC implementation. |
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