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Re: (r6rs io ports)

From: Julian Graham
Subject: Re: (r6rs io ports)
Date: Sat, 10 Apr 2010 23:34:58 -0400

Hi Mike and Ludo,

>> Works for me.  Some questions that will have to be answered.
>> Is there a C API for raising R6RS error conditions?
> No, not yet.  Actually, Julian’s work on R6RS libraries isn’t merged
> yet.

FWIW, the way this works right now on the wip-r6rs-libraries branch is
that R6RS `raise' is implemented in terms of Guile's `throw' -- my
implementation just uses a wrapper record type that encapsulates the
original exception object for handling by R6RS exception handlers and
optionally stores a continuation in order to support
`raise-continuable'.  (I suppose I could move some of that code to C
if people thought it made sense.)


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