- Initial R back-end implementation.

1 files changed, 42 insertions, 0 deletions

diff --git a/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux b/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux
new file mode 100644
index 000000000..0a1bcae1f
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux
@@ -0,0 +1,42 @@
+(.module:
+  lux
+  (lux [macro]
+       (data [text]
+             text/format))
+  (luxc ["&" lang]
+        (lang [".L" variable #+ Variable Register]
+              (host [r #+ Expression Statement SVar @@])))
+  [//]
+  (// [".T" runtime]))
+
+(do-template [<register> <translation> <prefix>]
+  [(def: #export (<register> register)
+     (-> Register SVar)
+     (r.var (format <prefix> (%i (nat-to-int register)))))
+   
+   (def: #export (<translation> register)
+     (-> Register (Meta Expression))
+     (:: macro.Monad<Meta> wrap (@@ (<register> register))))]
+
+  [closure  translate-captured "c"]
+  [variable translate-local    "v"])
+
+(def: #export (local var)
+  (-> Variable SVar)
+  (if (variableL.captured? var)
+    (closure (variableL.captured-register var))
+    (variable (int-to-nat var))))
+
+(def: #export (translate-variable var)
+  (-> Variable (Meta Expression))
+  (if (variableL.captured? var)
+    (translate-captured (variableL.captured-register var))
+    (translate-local (int-to-nat var))))
+
+(def: #export global
+  (-> Ident SVar)
+  (|>> //.definition-name r.var))
+
+(def: #export (translate-definition name)
+  (-> Ident (Meta Expression))
+  (:: macro.Monad<Meta> wrap (@@ (global name))))