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-rw-r--r--stdlib/compiler.tl10
-rw-r--r--stdlib/doc-syms.tl1
2 files changed, 11 insertions, 0 deletions
diff --git a/stdlib/compiler.tl b/stdlib/compiler.tl
index cc4eef7b..504d3ea8 100644
--- a/stdlib/compiler.tl
+++ b/stdlib/compiler.tl
@@ -564,6 +564,7 @@
((+ *) me.(comp-arith-form oreg env form))
((- /) me.(comp-arith-neg-form oreg env form))
(typep me.(comp-typep oreg env form))
+ (compiler-let me.(comp-compiler-let oreg env form))
(t me.(comp-fun-form oreg env form))))
((and (consp sym)
(eq (car sym) 'lambda)) me.(compile oreg env ^(call ,*form)))
@@ -1390,6 +1391,12 @@
(@nil
me.(comp-fun-form oreg env form))))
+(defmeth compiler comp-compiler-let (me oreg env form)
+ (tree-bind (t bindings . body) form
+ (progv [mapcar car bindings]
+ [mapcar [chain cadr no-dvbind-eval] bindings]
+ me.(comp-progn oreg env body))))
+
(defmeth compiler comp-fun-form (me oreg env form)
(let* ((olev *opt-level*)
(sym (car form))
@@ -2306,6 +2313,9 @@
(member (symbol-package sym)
(load-time (list user-package system-package))))
+(defun no-dvbind-eval (form)
+ (eval (if-match (sys:dvbind @nil @exp) form exp form)))
+
(defun usr:compile-toplevel (exp : (expanded-p nil))
(let ((co (new compiler))
(as (new assembler))
diff --git a/stdlib/doc-syms.tl b/stdlib/doc-syms.tl
index 8dbadf88..6391695f 100644
--- a/stdlib/doc-syms.tl
+++ b/stdlib/doc-syms.tl
@@ -379,6 +379,7 @@
("compile-toplevel" "N-00DE8B13")
("compile-update-file" "N-0211BE68")
("compile-warning" "N-032EA7D7")
+ ("compiler-let" "N-0345D216")
("compl-span-str" "N-0171717F")
("cond" "N-016C9E24")
("conda" "N-025CC33C")