From a85bfc405e7acaf86c61fcd8f7987da0200d7b03 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Wed, 29 May 2019 23:34:17 -0400
Subject: Various fixes and tweaks.

---
 new-luxc/source/luxc/lang/host/jvm/def.lux         | 31 ++++++++++++++++++++--
 .../luxc/lang/translation/jvm/procedure/host.lux   | 18 ++++++++++---
 2 files changed, 44 insertions(+), 5 deletions(-)

(limited to 'new-luxc')

diff --git a/new-luxc/source/luxc/lang/host/jvm/def.lux b/new-luxc/source/luxc/lang/host/jvm/def.lux
index bf4abc8ed..4d1b99da0 100644
--- a/new-luxc/source/luxc/lang/host/jvm/def.lux
+++ b/new-luxc/source/luxc/lang/host/jvm/def.lux
@@ -12,7 +12,8 @@
      ["." list ("#/." functor)]]]
    [target
     [jvm
-     ["$t" type (#+ Method Class Type Parameter)]]]]
+     ["$t" type (#+ Method Class Type Parameter)
+      ["." reflection]]]]]
   ["." //])
 
 (import: #long java/lang/Object)
@@ -71,10 +72,36 @@
                     (list.enumerate values))
       output)))
 
+(def: (exception-class-name type)
+  (-> Type Text)
+  (case type
+    (#$t.Primitive prim)
+    (case prim
+      #$t.Boolean reflection.boolean
+      #$t.Byte    reflection.byte
+      #$t.Short   reflection.short
+      #$t.Int     reflection.int
+      #$t.Long    reflection.long
+      #$t.Float   reflection.float
+      #$t.Double  reflection.double
+      #$t.Char    reflection.char)
+
+    (#$t.Array sub)
+    (format $t.array-prefix (exception-class-name sub))
+
+    (#$t.Generic generic)
+    (case generic
+      (#$t.Class class params)
+      ($t.binary-name class)
+
+      (^or (#$t.Var _) (#$t.Wildcard _))
+      ($t.binary-name $t.object-class))
+    ))
+
 (def: exceptions-array
   (-> Method (Array Text))
   (|>> (get@ #$t.exceptions)
-       (list/map (|>> #$t.Generic $t.descriptor))
+       (list/map (|>> #$t.Generic ..exception-class-name))
        string-array))
 
 (def: (version-flag version)
diff --git a/new-luxc/source/luxc/lang/translation/jvm/procedure/host.lux b/new-luxc/source/luxc/lang/translation/jvm/procedure/host.lux
index 83cbd017b..4239a89aa 100644
--- a/new-luxc/source/luxc/lang/translation/jvm/procedure/host.lux
+++ b/new-luxc/source/luxc/lang/translation/jvm/procedure/host.lux
@@ -4,6 +4,7 @@
     ["." monad (#+ do)]]
    [control
     ["." exception (#+ exception:)]
+    ["." function]
     ["<>" parser ("#@." monad)
      ["<t>" text]
      ["<s>" synthesis (#+ Parser)]]]
@@ -343,7 +344,7 @@
       (do phase.monad
         [lengthI (generate lengthS)]
         (wrap (|>> lengthI
-                   (_.array (jvm.array 1 jvm-primitive)))))
+                   (_.array jvm-primitive))))
 
       _
       (phase.throw extension.invalid-syntax [extension-name %synthesis inputs]))))
@@ -728,6 +729,15 @@
     #.None
     argI))
 
+(def: (prepare-returnI return)
+  (-> Return Inst)
+  (case return
+    (#.Some _)
+    function.identity
+
+    #.None
+    (_.string synthesis.unit)))
+
 (def: invoke::static
   Handler
   (..custom
@@ -739,7 +749,8 @@
         (wrap (|>> (_.fuse (list@map ..prepare-argI argsTI))
                    (_.INVOKESTATIC class method
                                    (jvm.method (list@map product.left argsTI) returnT (list))
-                                   false)))))]))
+                                   false)
+                   (prepare-returnI returnT)))))]))
 
 (template [<name> <invoke> <interface?>]
   [(def: <name>
@@ -756,7 +767,8 @@
                       (_.fuse (list@map ..prepare-argI argsTI))
                       (<invoke> class method
                                 (jvm.method (list@map product.left argsTI) returnT (list))
-                                <interface?>)))))]))]
+                                <interface?>)
+                      (prepare-returnI returnT)))))]))]
 
   [invoke::virtual _.INVOKEVIRTUAL false]
   [invoke::special _.INVOKESPECIAL false]
-- 
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