- Now doing common array analysis/compilation.

- Now doing common io/log! analysis/compilation.
- Now doing common char/to-text analysis/compilation.
- Expanded compilation of procedures in JS.
- Expanded LuxRT in JS.
- Fixed some bugs.

9 files changed, 436 insertions, 212 deletions

diff --git a/luxc/src/lux/analyser.clj b/luxc/src/lux/analyser.clj
index f5a200cad..e2aa64590 100644
--- a/luxc/src/lux/analyser.clj
+++ b/luxc/src/lux/analyser.clj
@@ -134,7 +134,7 @@
                                    (&/$Nil))) parameters]
             (&/with-analysis-meta cursor exo-type
               (case ?category
-                "jvm" (&&jvm/analyse-host analyse exo-type compilers ?category ?proc ?args)
+                "jvm" (&&jvm/analyse-host analyse exo-type compilers ?proc ?args)
                 ;; "js"
                 ;; common
                 (&&common/analyse-proc analyse exo-type ?category ?proc ?args))
diff --git a/luxc/src/lux/analyser/proc/common.clj b/luxc/src/lux/analyser/proc/common.clj
index f6d1eef8e..3bbc47e88 100644
--- a/luxc/src/lux/analyser/proc/common.clj
+++ b/luxc/src/lux/analyser/proc/common.clj
@@ -179,17 +179,78 @@
   ^:private analyse-nat-to-char  &type/Nat  &type/Char ["nat" "to-char"]
   ^:private analyse-int-to-nat   &type/Int  &type/Nat  ["int" "to-nat"]
   ^:private analyse-char-to-nat  &type/Char &type/Nat  ["char" "to-nat"]
+  ^:private analyse-char-to-text &type/Char &type/Text ["char" "to-text"]
 
-  ^:private analyse-deg-to-real &type/Deg &type/Real ["deg" "to-real"]
-  ^:private analyse-real-to-deg &type/Real &type/Deg ["real" "to-deg"]
+  ^:private analyse-deg-to-real  &type/Deg  &type/Real ["deg" "to-real"]
+  ^:private analyse-real-to-deg  &type/Real &type/Deg  ["real" "to-deg"]
+  
+  ^:private analyse-lux-log!     &type/Text &/$UnitT   ["io" "log!"]
   )
 
+(defn ^:private analyse-array-new [analyse exo-type ?values]
+  (|do [:let [(&/$Cons length (&/$Nil)) ?values]
+        =length (&&/analyse-1 analyse &type/Nat length)
+        _ (&type/check exo-type (&/$UnivQ (&/|list) (&type/Array (&/$BoundT 1))))
+        _cursor &/cursor]
+    (return (&/|list (&&/|meta exo-type _cursor
+                               (&&/$proc (&/T ["array" "new"]) (&/|list =length) (&/|list)))))))
+
+(defn ^:private analyse-array-get [analyse exo-type ?values]
+  (&type/with-var
+    (fn [$var]
+      (|do [:let [(&/$Cons array (&/$Cons idx (&/$Nil))) ?values]
+            =array (&&/analyse-1 analyse (&type/Array $var) array)
+            =idx (&&/analyse-1 analyse &type/Nat idx)
+            _ (&type/check exo-type (&/$AppT &type/Maybe $var))
+            _cursor &/cursor]
+        (return (&/|list (&&/|meta exo-type _cursor
+                                   (&&/$proc (&/T ["array" "get"]) (&/|list =array =idx) (&/|list)))))))))
+
+(defn ^:private analyse-array-put [analyse exo-type ?values]
+  (&type/with-var
+    (fn [$var]
+      (|do [:let [(&/$Cons array (&/$Cons idx (&/$Cons elem (&/$Nil)))) ?values]
+            :let [array-type (&type/Array $var)]
+            =array (&&/analyse-1 analyse array-type array)
+            =idx (&&/analyse-1 analyse &type/Nat idx)
+            =elem (&&/analyse-1 analyse $var elem)
+            _ (&type/check exo-type array-type)
+            _cursor &/cursor]
+        (return (&/|list (&&/|meta exo-type _cursor
+                                   (&&/$proc (&/T ["array" "put"]) (&/|list =array =idx =elem) (&/|list)))))))))
+
+(defn ^:private analyse-array-remove [analyse exo-type ?values]
+  (&type/with-var
+    (fn [$var]
+      (|do [:let [(&/$Cons array (&/$Cons idx (&/$Nil))) ?values]
+            :let [array-type (&type/Array $var)]
+            =array (&&/analyse-1 analyse array-type array)
+            =idx (&&/analyse-1 analyse &type/Nat idx)
+            _ (&type/check exo-type array-type)
+            _cursor &/cursor]
+        (return (&/|list (&&/|meta exo-type _cursor
+                                   (&&/$proc (&/T ["array" "remove"]) (&/|list =array =idx) (&/|list)))))))))
+
+(defn ^:private analyse-array-size [analyse exo-type ?values]
+  (&type/with-var
+    (fn [$var]
+      (|do [:let [(&/$Cons array (&/$Nil)) ?values]
+            =array (&&/analyse-1 analyse (&type/Array $var) array)
+            _ (&type/check exo-type &type/Nat)
+            _cursor &/cursor]
+        (return (&/|list (&&/|meta exo-type _cursor
+                                   (&&/$proc (&/T ["array" "size"]) (&/|list =array) (&/|list)))))))))
+
 (defn analyse-proc [analyse exo-type category proc ?values]
   (case category
     "lux"
     (case proc
       "=="                   (analyse-lux-== analyse exo-type ?values))
 
+    "io"
+    (case proc
+      "log!"                 (analyse-lux-log! analyse exo-type ?values))
+
     "text"
     (case proc
       "="                    (analyse-text-eq analyse exo-type ?values)
@@ -205,13 +266,13 @@
       "shift-right"          (analyse-bit-shift-right analyse exo-type ?values)
       "unsigned-shift-right" (analyse-bit-unsigned-shift-right analyse exo-type ?values))
     
-    ;; "array"
-    ;; (case proc
-    ;;   "new"    (analyse-array-new analyse exo-type ?values)
-    ;;   "get"    (analyse-array-get analyse exo-type ?values)
-    ;;   "put"    (analyse-jvm-aastore analyse exo-type ?values)
-    ;;   "remove" (analyse-array-remove analyse exo-type ?values)
-    ;;   "size"   (analyse-array-size analyse exo-type ?values))
+    "array"
+    (case proc
+      "new"    (analyse-array-new analyse exo-type ?values)
+      "get"    (analyse-array-get analyse exo-type ?values)
+      "put"    (analyse-array-put analyse exo-type ?values)
+      "remove" (analyse-array-remove analyse exo-type ?values)
+      "size"   (analyse-array-size analyse exo-type ?values))
 
     "nat"
     (case proc
@@ -281,6 +342,7 @@
 
     "char"
     (case proc
+      "to-text" (analyse-char-to-text analyse exo-type ?values)
       "to-nat" (analyse-char-to-nat analyse exo-type ?values)
       )
     
diff --git a/luxc/src/lux/analyser/proc/jvm.clj b/luxc/src/lux/analyser/proc/jvm.clj
index 480cb341a..72b871686 100644
--- a/luxc/src/lux/analyser/proc/jvm.clj
+++ b/luxc/src/lux/analyser/proc/jvm.clj
@@ -881,46 +881,6 @@
     (return (&/|list (&&/|meta output-type _cursor
                                (&&/$proc (&/T ["jvm" "load-class"]) (&/|list) (&/|list _class-name output-type)))))))
 
-(let [length-type &type/Nat
-      idx-type &type/Nat]
-  (defn ^:private analyse-array-new [analyse exo-type ?values]
-    (|do [:let [(&/$Cons length (&/$Nil)) ?values]
-          :let [gclass (&/$GenericClass "java.lang.Object" (&/|list))
-                array-type (&/$UnivQ (&/|list) (&/$HostT &host-type/array-data-tag (&/|list (&/$BoundT 1))))]
-          gtype-env &/get-type-env
-          =length (&&/analyse-1 analyse length-type length)
-          _ (&type/check exo-type array-type)
-          _cursor &/cursor]
-      (return (&/|list (&&/|meta exo-type _cursor
-                                 (&&/$proc (&/T ["jvm" "anewarray"]) (&/|list =length) (&/|list gclass gtype-env)))))))
-
-  (defn ^:private analyse-array-get [analyse exo-type ?values]
-    (|do [:let [(&/$Cons array (&/$Cons idx (&/$Nil))) ?values]
-          =array (&&/analyse-1+ analyse array)
-          [arr-class arr-params] (ensure-object (&&/expr-type* =array))
-          _ (&/assert! (= &host-type/array-data-tag arr-class) (str "[Analyser Error] Expected array. Instead got: " arr-class))
-          :let [(&/$Cons inner-arr-type (&/$Nil)) arr-params]
-          =idx (&&/analyse-1 analyse idx-type idx)
-          _ (&type/check exo-type (&/$AppT &type/Maybe inner-arr-type))
-          _cursor &/cursor]
-      (return (&/|list (&&/|meta exo-type _cursor
-                                 (&&/$proc (&/T ["array" "get"]) (&/|list =array =idx) (&/|list)))))))
-
-  (defn ^:private analyse-array-remove [analyse exo-type ?values]
-    (|do [:let [(&/$Cons array (&/$Cons idx (&/$Nil))) ?values]
-          =array (&&/analyse-1+ analyse array)
-          :let [array-type (&&/expr-type* =array)]
-          [arr-class arr-params] (ensure-object array-type)
-          _ (&/assert! (= &host-type/array-data-tag arr-class) (str "[Analyser Error] Expected array. Instead got: " arr-class))
-          :let [(&/$Cons inner-arr-type (&/$Nil)) arr-params]
-          =idx (&&/analyse-1 analyse idx-type idx)
-          _cursor &/cursor
-          :let [=elem (&&/|meta inner-arr-type _cursor
-                                (&&/$proc (&/T ["jvm" "null"]) (&/|list) (&/|list)))]
-          _ (&type/check exo-type array-type)]
-      (return (&/|list (&&/|meta exo-type _cursor
-                                 (&&/$proc (&/T ["jvm" "aastore"]) (&/|list =array =idx =elem) (&/|list))))))))
-
 (defn ^:private analyse-jvm-interface [analyse compile-interface interface-decl supers =anns =methods]
   (|do [module &/get-module-name
         _ (compile-interface interface-decl supers =anns =methods)
diff --git a/luxc/src/lux/compiler/js/lux.clj b/luxc/src/lux/compiler/js/lux.clj
index a7b1217f0..61f21bf55 100644
--- a/luxc/src/lux/compiler/js/lux.clj
+++ b/luxc/src/lux/compiler/js/lux.clj
@@ -284,15 +284,18 @@
               func-args (->> (&/|range* 0 (dec arity))
                              (&/|map (fn [register] (str "var " (register-name (inc register)) " = arguments[" register "];")))
                              (&/fold str ""))]
-        =env (&/map% (fn [=captured]
-                       (|case =captured
-                         [_ (&o/$captured ?scope ?captured-id ?source)]
-                         (|do [=source (compile ?source)]
-                           (return (str "var " (captured-name ?captured-id) " = " =source ";")))))
-                     (&/|vals ?env))
+        =env-vars (&/map% (fn [=captured]
+                            (|case =captured
+                              [_ (&o/$captured ?scope ?captured-id ?source)]
+                              (return (captured-name ?captured-id))))
+                          (&/|vals ?env))
+        =env-values (&/map% (fn [=captured]
+                              (|case =captured
+                                [_ (&o/$captured ?scope ?captured-id ?source)]
+                                (compile ?source)))
+                            (&/|vals ?env))
         =body (compile ?body)]
-    (return (str "(function() {"
-                 (->> =env (&/fold str ""))
+    (return (str "(function(" (->> =env-vars (&/|interpose ",") (&/fold str "")) ") {"
                  "return "
                  (str "(function " function-name "() {"
                       "\"use strict\";"
@@ -316,7 +319,7 @@
                       " };"
                       "}"
                       "})")
-                 ";})()"))))
+                 ";})(" (->> =env-values (&/|interpose ",") (&/fold str "")) ")"))))
 
 (defn compile-def [compile ?name ?body def-meta]
   (|do [module-name &/get-module-name
@@ -345,8 +348,7 @@
                              _
                              false)
                   def-type (&a/expr-type* ?body)
-                  _ (&/|log! (str "def-js >>\n"
-                                  (string/replace def-js "
+                  _ (&/|log! (string/replace def-js "
             _ (&&/run-js! def-js)
             def-value (&&/run-js!+ var-name)
             _ (&/without-repl-closure
diff --git a/luxc/src/lux/compiler/js/proc/common.clj b/luxc/src/lux/compiler/js/proc/common.clj
index 7e052892b..385761dbe 100644
--- a/luxc/src/lux/compiler/js/proc/common.clj
+++ b/luxc/src/lux/compiler/js/proc/common.clj
@@ -89,26 +89,26 @@
   ^:private compile-nat-add   "addI64"
   ^:private compile-nat-sub   "subI64"
   ^:private compile-nat-mul   "mulI64"
-  ;; ^:private compile-nat-div   "/"
-  ;; ^:private compile-nat-rem   "%"
+  ^:private compile-nat-div   "divN64"
+  ^:private compile-nat-rem   "remN64"
   ^:private compile-nat-eq    "eqI64"
-  ;; ^:private compile-nat-lt    "<"
+  ^:private compile-nat-lt    "ltN64"
 
   ^:private compile-int-add   "addI64"
   ^:private compile-int-sub   "subI64"
   ^:private compile-int-mul   "mulI64"
-  ;; ^:private compile-int-div   "/"
-  ;; ^:private compile-int-rem   "%"
+  ^:private compile-int-div   "divI64"
+  ^:private compile-int-rem   "remI64"
   ^:private compile-int-eq    "eqI64"
-  ;; ^:private compile-int-lt    "<"
+  ^:private compile-int-lt    "ltI64"
 
   ^:private compile-deg-add   "addI64"
   ^:private compile-deg-sub   "subI64"
-  ;; ^:private compile-deg-mul   "*"
-  ;; ^:private compile-deg-div   "/"
+  ^:private compile-deg-mul   "mulD64"
+  ^:private compile-deg-div   "divD64"
   ^:private compile-deg-rem   "subI64"
   ^:private compile-deg-eq    "eqI64"
-  ;; ^:private compile-deg-lt    "<"
+  ^:private compile-deg-lt    "ltD64"
   ^:private compile-deg-scale "mulI64"
   )
 
@@ -128,6 +128,22 @@
   ^:private compile-real-lt    "<"
   )
 
+(do-template [<name> <method>]
+  (defn <name> [compile ?values special-args]
+    (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
+          =x (compile ?x)]
+      (return (str &&rt/LuxRT "." <method> "(" =x ")"))))
+
+  ^:private compile-int-encode "encodeI64"
+  ^:private compile-nat-encode "encodeN64"
+  ^:private compile-deg-encode "encodeD64"
+  )
+
+(defn ^:private compile-real-encode [compile ?values special-args]
+  (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
+        =x (compile ?x)]
+    (return (str "(" =x ")" ".toString()"))))
+
 ;; (defn ^:private compile-nat-lt [compile ?values special-args]
 ;;   (|do [:let [(&/$Cons ?x (&/$Cons ?y (&/$Nil))) ?values]
 ;;         ^MethodVisitor *writer* &/get-writer
@@ -166,35 +182,6 @@
 ;;   ^:private compile-deg-max-value (.visitLdcInsn -1) &&/wrap-long
 ;;   )
 
-;; (do-template [<encode-name> <encode-method> <decode-name> <decode-method>]
-;;   (do (defn <encode-name> [compile ?values special-args]
-;;         (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
-;;               ^MethodVisitor *writer* &/get-writer
-;;               _ (compile ?x)
-;;               :let [_ (doto *writer*
-;;                         &&/unwrap-long
-;;                         (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" <encode-method> "(J)Ljava/lang/String;"))]]
-;;           (return nil)))
-
-;;     (let [+wrapper-class+ (&host-generics/->bytecode-class-name "java.lang.String")]
-;;       (defn <decode-name> [compile ?values special-args]
-;;         (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
-;;               ^MethodVisitor *writer* &/get-writer
-;;               _ (compile ?x)
-;;               :let [_ (doto *writer*
-;;                         (.visitTypeInsn Opcodes/CHECKCAST +wrapper-class+)
-;;                         (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" <decode-method> "(Ljava/lang/String;)Ljava/lang/Object;"))]]
-;;           (return nil)))))
-
-;;   ^:private compile-nat-encode "encode_nat" ^:private compile-nat-decode "decode_nat"
-;;   ^:private compile-deg-encode "encode_deg" ^:private compile-deg-decode "decode_deg"
-;;   )
-
-(defn compile-int-encode [compile ?values special-args]
-  (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
-        =x (compile ?x)]
-    (return (str "(" =x ").toString()"))))
-
 ;; (do-template [<name> <method>]
 ;;   (defn <name> [compile ?values special-args]
 ;;     (|do [:let [(&/$Cons ?x (&/$Cons ?y (&/$Nil))) ?values]
@@ -261,24 +248,37 @@
   ^:private compile-int-to-nat
   )
 
-(defn compile-text-eq [compile ?values special-args]
+(defn ^:private compile-text-eq [compile ?values special-args]
   (|do [:let [(&/$Cons ?x (&/$Cons ?y (&/$Nil))) ?values]
         =x (compile ?x)
         =y (compile ?y)]
     (return (str "(" =x "===" =y ")"))))
 
-(defn compile-text-append [compile ?values special-args]
+(defn ^:private compile-text-append [compile ?values special-args]
   (|do [:let [(&/$Cons ?x (&/$Cons ?y (&/$Nil))) ?values]
         =x (compile ?x)
         =y (compile ?y)]
     (return (str =x ".concat(" =y ")"))))
 
+(defn ^:private compile-char-to-text [compile ?values special-args]
+  (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]]
+    (compile ?x)))
+
+(defn ^:private compile-lux-log! [compile ?values special-args]
+  (|do [:let [(&/$Cons ?message (&/$Nil)) ?values]
+        =message (compile ?message)]
+    (return (str "LuxRT.log(" =message ")"))))
+
 (defn compile-proc [compile proc-category proc-name ?values special-args]
   (case proc-category
     ;; "lux"
     ;; (case proc-name
     ;;   "=="                   (compile-lux-== compile ?values special-args))
 
+    "io"
+    (case proc-name
+      "log!"                   (compile-lux-log! compile ?values special-args))
+
     "text"
     (case proc-name
       "="                    (compile-text-eq compile ?values special-args)
@@ -303,11 +303,11 @@
       "+"         (compile-nat-add compile ?values special-args)
       "-"         (compile-nat-sub compile ?values special-args)
       "*"         (compile-nat-mul compile ?values special-args)
-      ;; "/"         (compile-nat-div compile ?values special-args)
-      ;; "%"         (compile-nat-rem compile ?values special-args)
+      "/"         (compile-nat-div compile ?values special-args)
+      "%"         (compile-nat-rem compile ?values special-args)
       "="         (compile-nat-eq compile ?values special-args)
-      ;; "<"         (compile-nat-lt compile ?values special-args)
-      ;; "encode"    (compile-nat-encode compile ?values special-args)
+      "<"         (compile-nat-lt compile ?values special-args)
+      "encode"    (compile-nat-encode compile ?values special-args)
       ;; "decode"    (compile-nat-decode compile ?values special-args)
       ;; "max-value" (compile-nat-max-value compile ?values special-args)
       ;; "min-value" (compile-nat-min-value compile ?values special-args)
@@ -320,11 +320,11 @@
       "+"         (compile-int-add compile ?values special-args)
       "-"         (compile-int-sub compile ?values special-args)
       "*"         (compile-int-mul compile ?values special-args)
-      ;; "/"         (compile-int-div compile ?values special-args)
-      ;; "%"         (compile-int-rem compile ?values special-args)
+      "/"         (compile-int-div compile ?values special-args)
+      "%"         (compile-int-rem compile ?values special-args)
       "="         (compile-int-eq compile ?values special-args)
-      ;; "<"         (compile-int-lt compile ?values special-args)
-      ;; "encode"    (compile-int-encode compile ?values special-args)
+      "<"         (compile-int-lt compile ?values special-args)
+      "encode"    (compile-int-encode compile ?values special-args)
       ;; "decode"    (compile-int-decode compile ?values special-args)
       ;; "max-value" (compile-int-max-value compile ?values special-args)
       ;; "min-value" (compile-int-min-value compile ?values special-args)
@@ -335,12 +335,12 @@
     (case proc-name
       "+"         (compile-deg-add compile ?values special-args)
       "-"         (compile-deg-sub compile ?values special-args)
-      ;; "*"         (compile-deg-mul compile ?values special-args)
-      ;; "/"         (compile-deg-div compile ?values special-args)
+      "*"         (compile-deg-mul compile ?values special-args)
+      "/"         (compile-deg-div compile ?values special-args)
       "%"         (compile-deg-rem compile ?values special-args)
       "="         (compile-deg-eq compile ?values special-args)
-      ;; "<"         (compile-deg-lt compile ?values special-args)
-      ;; "encode"    (compile-deg-encode compile ?values special-args)
+      "<"         (compile-deg-lt compile ?values special-args)
+      "encode"    (compile-deg-encode compile ?values special-args)
       ;; "decode"    (compile-deg-decode compile ?values special-args)
       ;; "max-value" (compile-deg-max-value compile ?values special-args)
       ;; "min-value" (compile-deg-min-value compile ?values special-args)
@@ -357,17 +357,18 @@
       "%"         (compile-real-rem compile ?values special-args)
       "="         (compile-real-eq compile ?values special-args)
       "<"         (compile-real-lt compile ?values special-args)
-      ;; "encode"    (compile-real-encode compile ?values special-args)
+      "encode"    (compile-real-encode compile ?values special-args)
       ;; "decode"    (compile-real-decode compile ?values special-args)
       ;; "max-value" (compile-real-max-value compile ?values special-args)
       ;; "min-value" (compile-real-min-value compile ?values special-args)
       ;; "to-deg"    (compile-real-to-deg compile ?values special-args)
       )
 
-    ;; "char"
-    ;; (case proc-name
-    ;;   "to-nat"    (compile-char-to-nat compile ?values special-args)
-    ;;   )
+    "char"
+    (case proc-name
+      "to-text" (compile-char-to-text compile ?values special-args)
+      ;; "to-nat"    (compile-char-to-nat compile ?values special-args)
+      )
     
     ;; else
     (&/fail-with-loc (str "[Compiler Error] Unknown host procedure: " [proc-category proc-name]))))
diff --git a/luxc/src/lux/compiler/js/rt.clj b/luxc/src/lux/compiler/js/rt.clj
index 194248f10..ce5bf5d16 100644
--- a/luxc/src/lux/compiler/js/rt.clj
+++ b/luxc/src/lux/compiler/js/rt.clj
@@ -765,47 +765,6 @@
 ;;                  (.visitInsn Opcodes/ARETURN)
 ;;                  (.visitMaxs 0 0)
 ;;                  (.visitEnd)))
-;;            ;; http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#172
-;;            _ (let [$too-big (new Label)]
-;;                (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "encode_nat" "(J)Ljava/lang/String;" nil nil)
-;;                  (.visitCode)
-;;                  (.visitLdcInsn "+")
-;;                  (.visitVarInsn Opcodes/LLOAD 0)
-;;                  (.visitLdcInsn (long 0))
-;;                  (.visitInsn Opcodes/LCMP)
-;;                  (.visitJumpInsn Opcodes/IFLT $too-big)
-;;                  ;; then
-;;                  (.visitVarInsn Opcodes/LLOAD 0)
-;;                  (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "toString" "(J)Ljava/lang/String;")
-;;                  (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
-;;                  (.visitInsn Opcodes/ARETURN)
-;;                  ;; else
-;;                  (.visitLabel $too-big)
-;;                  ;; Set up parts of the number string...
-;;                  ;; First digits
-;;                  (.visitVarInsn Opcodes/LLOAD 0)
-;;                  (.visitLdcInsn (int 1))
-;;                  (.visitInsn Opcodes/LUSHR)
-;;                  (.visitLdcInsn (long 5))
-;;                  (.visitInsn Opcodes/LDIV) ;; quot
-;;                  ;; Last digit
-;;                  (.visitInsn Opcodes/DUP2)
-;;                  (.visitLdcInsn (long 10))
-;;                  (.visitInsn Opcodes/LMUL)
-;;                  (.visitVarInsn Opcodes/LLOAD 0)
-;;                  swap2
-;;                  (.visitInsn Opcodes/LSUB) ;; quot, rem
-;;                  ;; Conversion to string...
-;;                  (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "toString" "(J)Ljava/lang/String;") ;; quot, rem*
-;;                  (.visitInsn Opcodes/DUP_X2);; rem*, quot, rem*
-;;                  (.visitInsn Opcodes/POP) ;; rem*, quot
-;;                  (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "toString" "(J)Ljava/lang/String;") ;; rem*, quot*
-;;                  (.visitInsn Opcodes/SWAP) ;; quot*, rem*
-;;                  (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
-;;                  (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
-;;                  (.visitInsn Opcodes/ARETURN)
-;;                  (.visitMaxs 0 0)
-;;                  (.visitEnd)))
 ;;            ;; http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#215
 ;;            _ (let [$simple-case (new Label)]
 ;;                (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "_toUnsignedBigInteger" "(J)Ljava/math/BigInteger;" nil nil)
@@ -936,10 +895,57 @@
 ;;                  (.visitEnd)))]
 ;;       nil)))
 
+(def ^:private adt-methods
+  {"product_getLeft" (str "(function product_getLeft(product,index) {"
+                          "var index_min_length = (index+1);"
+                          "if(product.length > index_min_length) {"
+                          ;; No need for recursion
+                          "return product[index];"
+                          "}"
+                          "else {"
+                          ;; Needs recursion
+                          "return product_getLeft(product[product.length - 1], (index_min_length - product.length));"
+                          "}"
+                          "})")
+   "product_getRight" (str "(function product_getRight(product,index) {"
+                           "var index_min_length = (index+1);"
+                           "if(product.length === index_min_length) {"
+                           ;; Last element.
+                           "return product[index];"
+                           "}"
+                           "else if(product.length < index_min_length) {"
+                           ;; Needs recursion
+                           "return product_getRight(product[product.length - 1], (index_min_length - product.length));"
+                           "}"
+                           "else {"
+                           ;; Must slice
+                           "return product.slice(index);"
+                           "}"
+                           "})")
+   "sum_get" (str "(function sum_get(sum,wantedTag,wantsLast) {"
+                  "if(sum[0] === wantedTag && sum[1] === wantsLast) {"
+                  ;; Exact match.
+                  "return sum[2];"
+                  "}"
+                  "else if(sum[0] < wantedTag || sum[1] !== wantsLast) {"
+                  "if(sum[1]) {"
+                  ;; Must recurse.
+                  "return sum_get(sum[2], (wantedTag - sum[0]), wantsLast);"
+                  "}"
+                  ;; No match.
+                  "else { return null; }"
+                  "}"
+                  ;; No match.
+                  "else { return null; }"
+                  "})")
+   })
+
 (def ^:private i64-methods
   {"makeI64" (str "(function makeI64(high,low) {"
                   "return { H: (high|0), L: (low|0)};"
                   "})")
+   "MIN_VALUE" "{ H: 0x80000000, L: 0}"
+   "ONE" "{ H: 0, L: 1}"
    "notI64" (str "(function notI64(i64) {"
                  "return LuxRT.makeI64(~i64.H,~i64.L);"
                  "})")
@@ -1030,59 +1036,163 @@
                  "return LuxRT.makeI64((x48 << 16) | x32, (x16 << 16) | x00);"
                  "}"
                  "})")
-   })
-
-(def ^:private adt-methods
-  {"product_getLeft" (str "(function product_getLeft(product,index) {"
-                          "var index_min_length = (index+1);"
-                          "if(product.length > index_min_length) {"
-                          ;; No need for recursion
-                          "return product[index];"
-                          "}"
-                          "else {"
-                          ;; Needs recursion
-                          "return product_getLeft(product[product.length - 1], (index_min_length - product.length));"
-                          "}"
-                          "})")
-   "product_getRight" (str "(function product_getRight(product,index) {"
-                           "var index_min_length = (index+1);"
-                           "if(product.length === index_min_length) {"
-                           ;; Last element.
-                           "return product[index];"
+   "divI64" (str "(function divI64(l,r) {"
+                 (str "if((r.H === 0) && (r.L === 0)) {"
+                      ;; Special case: R = 0
+                      "throw Error('division by zero');"
+                      "}"
+                      "else if((l.H === 0) && (l.L === 0)) {"
+                      ;; Special case: L = 0
+                      "return l;"
+                      "}")
+                 (str "if(LuxRT.eqI64(l,LuxRT.MIN_VALUE)) {"
+                      ;; Special case: L = MIN
+                      (str "if(LuxRT.eqI64(r,LuxRT.ONE) || LuxRT.eqI64(r,LuxRT.negateI64(LuxRT.ONE))) {"
+                           ;; Special case: L = MIN, R = 1|-1
+                           "return LuxRT.MIN_VALUE;"
                            "}"
-                           "else if(product.length < index_min_length) {"
-                           ;; Needs recursion
-                           "return product_getRight(product[product.length - 1], (index_min_length - product.length));"
+                           ;; Special case: L = R = MIN
+                           "else if(LuxRT.eqI64(r,LuxRT.MIN_VALUE)) {"
+                           "return LuxRT.ONE;"
                            "}"
+                           ;; Special case: L = MIN
                            "else {"
-                           ;; Must slice
-                           "return product.slice(index);"
+                           "var halfL = LuxRT.shrI64(l,LuxRT.ONE);"
+                           "var approx = LuxRT.shlI64(LuxRT.divI64(halfL,r),LuxRT.ONE);"
+                           (str "if((approx.H === 0) && (approx.L === 0)) {"
+                                (str "if(r.H < 0) {"
+                                     "return LuxRT.ONE;"
+                                     "}"
+                                     "else {"
+                                     "return LuxRT.negateI64(LuxRT.ONE);"
+                                     "}")
+                                "}"
+                                "else {"
+                                "var rem = LuxRT.subI64(l,LuxRT.mulI64(r,approx));"
+                                "return LuxRT.addI64(approx,LuxRT.divI64(rem,r));"
+                                "}")
+                           "}")
+                      "}"
+                      "else if(LuxRT.eqI64(r,LuxRT.MIN_VALUE)) {"
+                      ;; Special case: R = MIN
+                      "return LuxRT.makeI64(0,0);"
+                      "}")
+                 ;; Special case: negatives
+                 (str "if(l.H < 0) {"
+                      (str "if(r.H < 0) {"
+                           ;; Both are negative
+                           "return LuxRT.divI64(LuxRT.negateI64(l),LuxRT.negateI64(r));"
                            "}"
-                           "})")
-   "sum_get" (str "(function sum_get(sum,wantedTag,wantsLast) {"
-                  "if(sum[0] === wantedTag && sum[1] === wantsLast) {"
-                  ;; Exact match.
-                  "return sum[2];"
-                  "}"
-                  "else if(sum[0] < wantedTag || sum[1] !== wantsLast) {"
-                  "if(sum[1]) {"
-                  ;; Must recurse.
-                  "return sum_get(sum[2], (wantedTag - sum[0]), wantsLast);"
-                  "}"
-                  ;; No match.
-                  "else { return null; }"
-                  "}"
-                  ;; No match.
-                  "else { return null; }"
-                  "})")
+                           "else {"
+                           ;; Only L is negative
+                           "return LuxRT.negateI64(LuxRT.divI64(LuxRT.negateI64(l),r));"
+                           "}")
+                      "}"
+                      "else if(r.H < 0) {"
+                      ;; R is negative
+                      "return LuxRT.negateI64(LuxRT.divI64(l,LuxRT.negateI64(r)));"
+                      "}")
+                 ;; Common case
+                 (str "var res = { H: 0, L: 0};"
+                      "var rem = l;"
+                      (str "while(LuxRT.ltI64(r,rem) || LuxRT.eqI64(r,rem)) {"
+                           "var approx = Math.max(1, Math.floor(LuxRT.toNumberI64(rem) / LuxRT.toNumberI64(r)));"
+                           "var log2 = Math.ceil(Math.log(approx) / Math.LN2);"
+                           "var delta = (log2 <= 48) ? 1 : Math.pow(2, log2 - 48);"
+                           "var approxRes = LuxRT.fromNumberI64(approx);"
+                           "var approxRem = LuxRT.mulI64(approxRes,r);"
+                           (str "while((approxRem.H < 0) || LuxRT.ltI64(rem,approxRem)) {"
+                                "approx -= delta;"
+                                "approxRes = LuxRT.fromNumberI64(approx);"
+                                "approxRem = LuxRT.mulI64(approxRes,r);"
+                                "}")
+                           (str "if((approxRes.H === 0) && (approxRes.L === 0)) {"
+                                "approxRes = LuxRT.ONE;"
+                                "}")
+                           "res = LuxRT.addI64(res,approxRes);"
+                           "rem = LuxRT.subI64(rem,approxRem);"
+                           "}")
+                      "return res;")
+                 "})")
+   "remI64" (str "(function remI64(l,r) {"
+                 "return LuxRT.subI64(l,LuxRT.mulI64(LuxRT.divI64(l,r),r));"
+                 "})")
+   "encodeI64" (str "(function encodeI64(input) {"
+                    ;; If input = 0
+                    (str "if((input.H === 0) && (input.L === 0)) {"
+                         "return '0';"
+                         "}")
+                    ;; If input < 0
+                    (str "if(input.H < 0) {"
+                         (str "if(LuxRT.eqI64(input,LuxRT.MIN_VALUE)) {"
+                              "var radix = LuxRT.makeI64(0,10);"
+                              "var div = LuxRT.divI64(input,radix);"
+                              "var rem = LuxRT.subI64(LuxRT.mulI64(div,radix),input);"
+                              "return LuxRT.encodeI64(div).concat(rem.L+'');"
+                              "}")
+                         "}"
+                         "else {"
+                         "return '-'.concat(LuxRT.encodeI64(LuxRT.negateI64(input)));"
+                         "}")
+                    ;; If input > 0
+                    (str "var chunker = LuxRT.makeI64(0,1000000);"
+                         "var rem = input;"
+                         "var result = '';"
+                         "while (true) {"
+                         (str "var remDiv = LuxRT.divI64(rem,chunker);"
+                              "var chunk = LuxRT.subI64(rem,LuxRT.mulI64(remDiv,chunker));"
+                              "var digits = (chunk.L >>> 0)+'';"
+                              "rem = remDiv;"
+                              (str "if((rem.H === 0) && (rem.L === 0)) {"
+                                   "return digits.concat(result);"
+                                   "}"
+                                   "else {"
+                                   (str "while (digits.length < 6) {"
+                                        "digits = '0' + digits;"
+                                        "}")
+                                   "result = '' + digits + result;"
+                                   "}"))
+                         "}")
+                    "})")
+   "ltI64" (str "(function ltI64(l,r) {"
+                "var ln = l.H < 0;"
+                "var rn = r.H < 0;"
+                "if(ln && !rn) { return true; }"
+                "if(!ln && rn) { return false; }"
+                "return (LuxRT.subI64(l,r).H < 0);"
+                "})")
+   })
+
+(def ^:private n64-methods
+  {"encodeN64" (str "(function encodeN64(input) {"
+                    (str "if(input.H < 0) {"
+                         ;; Too big
+                         "var lastDigit = LuxRT.remI64(input, LuxRT.makeI64(0,10));"
+                         "var minusLastDigit = LuxRT.divI64(input, LuxRT.makeI64(0,10));"
+                         "return '+'.concat(LuxRT.encodeI64(minusLastDigit)).concat(LuxRT.encodeI64(lastDigit));"
+                         "}"
+                         "else {"
+                         ;; Small enough
+                         "return '+'.concat(LuxRT.encodeI64(input));"
+                         "}")
+                    "})")
+   })
+
+(def ^:private io-methods
+  {"log" (str "(function log(message) {"
+              "console.log(message);"
+              (str "return " &&/unit ";")
+              "})")
    })
 
 (def LuxRT "LuxRT")
 
 (def compile-LuxRT
-  (|do [_ (return nil)
+  (|do [_ (&&/run-js! "var console = { log: print };")
         :let [rt-object (str "{" (->> (merge adt-methods
-                                             i64-methods)
+                                             i64-methods
+                                             n64-methods
+                                             io-methods)
                                       (map (fn [[key val]]
                                              (str key ":" val)))
                                       (interpose ",")
diff --git a/luxc/src/lux/compiler/jvm/host.clj b/luxc/src/lux/compiler/jvm/host.clj
index 9583c3106..867dd1ff0 100644
--- a/luxc/src/lux/compiler/jvm/host.clj
+++ b/luxc/src/lux/compiler/jvm/host.clj
@@ -2290,6 +2290,16 @@
                   (&&/wrap-boolean))]]
     (return nil)))
 
+(defn ^:private compile-array-new [compile ?values special-args]
+  (|do [:let [(&/$Cons ?length (&/$Nil)) ?values]
+        ^MethodVisitor *writer* &/get-writer
+        _ (compile ?length)
+        :let [_ (doto *writer*
+                  &&/unwrap-long
+                  (.visitInsn Opcodes/L2I))]
+        :let [_ (.visitTypeInsn *writer* Opcodes/ANEWARRAY "java/lang/Object")]]
+    (return nil)))
+
 (defn ^:private compile-array-get [compile ?values special-args]
   (|do [:let [(&/$Cons ?array (&/$Cons ?idx (&/$Nil))) ?values
               ;; (&/$Nil) special-args
@@ -2323,6 +2333,54 @@
                   (.visitLabel $end))]]
     (return nil)))
 
+(defn ^:private compile-array-put [compile ?values special-args]
+  (|do [:let [(&/$Cons ?array (&/$Cons ?idx (&/$Cons ?elem (&/$Nil)))) ?values
+              ;; (&/$Nil) special-args
+              ]
+        ^MethodVisitor *writer* &/get-writer
+        _ (compile ?array)
+        :let [_ (doto *writer*
+                  (.visitTypeInsn Opcodes/CHECKCAST "[Ljava/lang/Object;")
+                  (.visitInsn Opcodes/DUP))]
+        _ (compile ?idx)
+        :let [_ (doto *writer*
+                  &&/unwrap-long
+                  (.visitInsn Opcodes/L2I))]
+        _ (compile ?elem)
+        :let [_ (.visitInsn *writer* Opcodes/AASTORE)]]
+    (return nil)))
+
+(defn ^:private compile-array-remove [compile ?values special-args]
+  (|do [:let [(&/$Cons ?array (&/$Cons ?idx (&/$Nil))) ?values
+              ;; (&/$Nil) special-args
+              ]
+        ^MethodVisitor *writer* &/get-writer
+        _ (compile ?array)
+        :let [_ (doto *writer*
+                  (.visitTypeInsn Opcodes/CHECKCAST "[Ljava/lang/Object;")
+                  (.visitInsn Opcodes/DUP))]
+        _ (compile ?idx)
+        :let [_ (doto *writer*
+                  &&/unwrap-long
+                  (.visitInsn Opcodes/L2I))]
+        :let [_ (doto *writer*
+                  (.visitInsn Opcodes/ACONST_NULL)
+                  (.visitInsn Opcodes/AASTORE))]]
+    (return nil)))
+
+(defn ^:private compile-array-size [compile ?values special-args]
+  (|do [:let [(&/$Cons ?array (&/$Nil)) ?values
+              ;; (&/$Nil) special-args
+              ]
+        ^MethodVisitor *writer* &/get-writer
+        _ (compile ?array)
+        :let [_ (.visitTypeInsn *writer* Opcodes/CHECKCAST "[Ljava/lang/Object;")]
+        :let [_ (doto *writer*
+                  (.visitInsn Opcodes/ARRAYLENGTH)
+                  (.visitInsn Opcodes/I2L)
+                  &&/wrap-long)]]
+    (return nil)))
+
 (do-template [<name> <op>]
   (defn <name> [compile ?values special-args]
     (|do [:let [(&/$Cons ?input (&/$Cons ?mask (&/$Nil))) ?values]
@@ -2611,6 +2669,14 @@
     ^:private compile-char-to-nat &&/unwrap-char &&/wrap-long widen
     ))
 
+(defn ^:private compile-char-to-text [compile ?values special-args]
+  (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
+        ^MethodVisitor *writer* &/get-writer
+        _ (compile ?x)
+        :let [_ (doto *writer*
+                  (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/Object" "toString" "()Ljava/lang/String;"))]]
+    (return nil)))
+
 (do-template [<name>]
   (defn <name> [compile ?values special-args]
     (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
@@ -2645,12 +2711,28 @@
                   (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;"))]]
     (return nil)))
 
+(defn compile-io-log! [compile ?values special-args]
+  (|do [:let [(&/$Cons ?x (&/$Nil)) ?values]
+        ^MethodVisitor *writer* &/get-writer
+        :let [_ (doto *writer*
+                  (.visitFieldInsn Opcodes/GETSTATIC "java/lang/System" "out" "Ljava/io/PrintStream;"))]
+        _ (compile ?x)
+        :let [_ (doto *writer*
+                  (.visitTypeInsn Opcodes/CHECKCAST "java/lang/String")
+                  (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/io/PrintStream" "println" "(Ljava/lang/String;)V")
+                  (.visitLdcInsn &/unit-tag))]]
+    (return nil)))
+
 (defn compile-host [compile proc-category proc-name ?values special-args]
   (case proc-category
     "lux"
     (case proc-name
       "=="                   (compile-lux-== compile ?values special-args))
 
+    "io"
+    (case proc-name
+      "log!"                 (compile-io-log! compile ?values special-args))
+
     "text"
     (case proc-name
       "="                    (compile-text-eq compile ?values special-args)
@@ -2668,7 +2750,11 @@
     
     "array"
     (case proc-name
-      "get" (compile-array-get compile ?values special-args))
+      "new" (compile-array-new compile ?values special-args)
+      "get" (compile-array-get compile ?values special-args)
+      "put" (compile-array-put compile ?values special-args)
+      "remove" (compile-array-remove compile ?values special-args)
+      "size" (compile-array-size compile ?values special-args))
 
     "nat"
     (case proc-name
@@ -2733,6 +2819,7 @@
     "char"
     (case proc-name
       "to-nat"    (compile-char-to-nat compile ?values special-args)
+      "to-text"   (compile-char-to-text compile ?values special-args)
       )
     
     "jvm"
diff --git a/luxc/src/lux/type.clj b/luxc/src/lux/type.clj
index d37a061f8..d3805cabc 100644
--- a/luxc/src/lux/type.clj
+++ b/luxc/src/lux/type.clj
@@ -32,6 +32,9 @@
 (def Text (&/$NamedT (&/T ["lux" "Text"]) (&/$HostT "java.lang.String" &/$Nil)))
 (def Ident (&/$NamedT (&/T ["lux" "Ident"]) (&/$ProdT Text Text)))
 
+(defn Array [elem-type]
+  (&/$HostT "#Array" (&/|list elem-type)))
+
 (def Bottom
   (&/$NamedT (&/T ["lux" "Bottom"])
              (&/$UnivQ empty-env
diff --git a/stdlib/source/lux.lux b/stdlib/source/lux.lux
index 1c74cac80..06c0fd2fd 100644
--- a/stdlib/source/lux.lux
+++ b/stdlib/source/lux.lux
@@ -2099,7 +2099,7 @@
                    #"\f" "\\f"
                    #"\"" "\\\""
                    #"\\" "\\\\"
-                   _     (_lux_proc ["jvm" "invokevirtual:java.lang.Object:toString:"] [x]))]
+                   _     (_lux_proc ["char" "to-text"] [x]))]
         ($_ Text/append "#\"" as-text "\"")))
 
 (macro:' #export (do-template tokens)
@@ -2241,6 +2241,13 @@
   (-> Bool Bool)
   (if x false true))
 
+(def:''' #export (log! message)
+  (list [["lux" "doc"] (#TextA "Logs message to standard output.
+
+                                Useful for debugging.")])
+  (-> Text Unit)
+  (_lux_proc ["io" "log!"] [message]))
+
 (def:''' (find-macro' modules current-module module name)
   #Nil
   (-> ($' List (& Text Module))
@@ -2998,14 +3005,6 @@
     (#;Some (#;Right []))
     (list (' #hidden))))
 
-(def:''' #export (log! message)
-  (list [["lux" "doc"] (#TextA "Logs message to standard output.
-
-                                Useful for debugging.")])
-  (-> Text Unit)
-  (_lux_proc ["jvm" "invokevirtual:java.io.PrintStream:println:java.lang.String"]
-             [(_lux_proc ["jvm" "getstatic:java.lang.System:out"] []) message]))
-
 (macro:' #export (def: tokens)
   (list [["lux" "doc"] (#TextA "## Defines global constants/functions.
                                 (def: (rejoin-pair pair)