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more on nyacc extension languages
From: |
Matt Wette |
Subject: |
more on nyacc extension languages |
Date: |
Fri, 31 Aug 2018 07:42:02 -0700 |
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Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
Just goofing off a bit:
scheme@(guile-user)> ,use (nyacc lang nx-lib)
scheme@(guile-user)> (install-inline-language-evaluator)
scheme@(guile-user)> #<nx-matlab: a=[1, 2, 3]; >#
scheme@(guile-user)> (define b (vector-ref a 2))
scheme@(guile-user)> #<nx-javascript: var c = b + 2; >#
scheme@(guile-user)> c
$1 = 5
scheme@(guile-user)> (define d 1)
scheme@(guile-user)> (set! d #<nx-matlab: d + 1; >#)
scheme@(guile-user)> (set! d #<nx-javascript: d + 1; >#)
scheme@(guile-user)> d
$2 = 3
This is using read-hash-extend with a handler that looks
up the language then compiles the code to tree-il, then
decompiles to scheme and returns the scheme form.
Matt
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