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repair decompiler to properly reflect the beg0 bytecode form

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A single expression in `beg0` is never in tail position, unlike
a single expression within `begin0`.
This commit is contained in:
Gustavo Massaccesi 2014-12-01 15:20:37 -03:00 committed by Matthew Flatt
parent acc484f146
commit 9650129c86
1 changed files with 5 additions and 2 deletions
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5
compiler-lib/compiler/decompile.rkt
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@ -425,8 +425,11 @@
`(begin ,@(for/list ([expr (in-list exprs)])
(decompile-expr expr globs stack closed)))]
[(struct beg0 (exprs))
(if (> (length exprs) 1)
`(begin0 ,@(for/list ([expr (in-list exprs)])
(decompile-expr expr globs stack closed)))]
(decompile-expr expr globs stack closed)))
`(begin0 ,(decompile-expr (car exprs) globs stack closed)
(void)))]
[(struct with-cont-mark (key val body))
`(with-continuation-mark
,(decompile-expr key globs stack closed)