From 498af2e0123c1ce65e46bf15fe3854266ad58f53 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Sun, 21 Jan 2018 12:58:48 -0400
Subject: - WIP: Host procedures for JS.

---
 .../luxc/lang/translation/js/primitive.jvm.lux     | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 new-luxc/source/luxc/lang/translation/js/primitive.jvm.lux

(limited to 'new-luxc/source/luxc/lang/translation/js/primitive.jvm.lux')

diff --git a/new-luxc/source/luxc/lang/translation/js/primitive.jvm.lux b/new-luxc/source/luxc/lang/translation/js/primitive.jvm.lux
new file mode 100644
index 000000000..860cc7fae
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/js/primitive.jvm.lux
@@ -0,0 +1,56 @@
+(.module:
+  lux
+  (lux (control pipe)
+       (data [bit]
+             [number]
+             text/format)
+       [macro "meta/" Monad<Meta>])
+  [//]
+  (// [".T" runtime]))
+
+(def: #export translate-bool
+  (-> Bool (Meta //.Expression))
+  (|>> %b meta/wrap))
+
+(def: low-mask Nat (n/dec (bit.shift-left +32 +1)))
+
+(def: #export (translate-nat value)
+  (-> Nat (Meta //.Expression))
+  (let [high (|> value
+                 (bit.shift-right +32)
+                 nat-to-int %i)
+        low (|> value
+                (bit.and low-mask)
+                nat-to-int %i)]
+    (meta/wrap (format runtimeT.int//new "(" high "," low ")"))))
+
+(def: #export translate-int
+  (-> Int (Meta //.Expression))
+  (|>> int-to-nat translate-nat))
+
+(def: deg-to-nat
+  (-> Deg Nat)
+  (|>> (:! Nat)))
+
+(def: #export translate-deg
+  (-> Deg (Meta //.Expression))
+  (|>> deg-to-nat translate-nat))
+
+(def: #export translate-frac
+  (-> Frac (Meta //.Expression))
+  (|>> (cond> [(f/= number.positive-infinity)]
+              [(new> "Infinity")]
+              
+              [(f/= number.negative-infinity)]
+              [(new> "-Infinity")]
+              
+              [(f/= number.not-a-number)]
+              [(new> "NaN")]
+              
+              ## else
+              [%f])
+       meta/wrap))
+
+(def: #export translate-text
+  (-> Text (Meta //.Expression))
+  (|>> %t meta/wrap))
-- 
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