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add lexical analyzer and allocator

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* module/language/tree-il/optimize.scm: Rework to just export the
  optimize! procedure.

* module/language/tree-il/compile-glil.scm (analyze-lexicals): New
  function, analyzes and allocates lexical variables. Almost ready to
  compile now.
  (codegen): Dedent.
This commit is contained in:
Andy Wingo 2009-05-14 00:11:25 +02:00
parent cb28c08537
commit 073bb617eb
2 changed files with 415 additions and 221 deletions
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9
module/language/tree-il/optimize.scm
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@ -22,7 +22,14 @@
(define-module (language tree-il optimize)
#:use-module (system base syntax)
#:use-module (language tree-il)
#:export (resolve-primitives!))
#:use-module (language tree-il inline)
#:export (optimize!))
(define (env-module e)
(if e (car e) (current-module)))
(define (optimize! x env opts)
(expand-primitives! (resolve-primitives! x (env-module env))))
;; Possible optimizations:
;; * constant folding, propagation