From 012f6bd41e527479dddbccbdab10daa78fd9a0fd Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Wed, 1 Nov 2017 00:51:45 -0400
Subject: - Re-organized code-generation, and re-named it "translation".

---
 new-luxc/source/luxc/lang/translation/eval.jvm.lux | 80 ++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 new-luxc/source/luxc/lang/translation/eval.jvm.lux

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

diff --git a/new-luxc/source/luxc/lang/translation/eval.jvm.lux b/new-luxc/source/luxc/lang/translation/eval.jvm.lux
new file mode 100644
index 000000000..9514741f8
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/eval.jvm.lux
@@ -0,0 +1,80 @@
+(;module:
+  lux
+  (lux (control monad)
+       (data text/format)
+       [meta]
+       [host #+ do-to])
+  (luxc ["&" base]
+        (host ["$" jvm]
+              (jvm ["$t" type]
+                   ["$d" def]
+                   ["$i" inst]))
+        (lang ["la" analysis]
+              ["ls" synthesis]
+              (translation [";T" common]))
+        ))
+
+(host;import java.lang.Object)
+(host;import java.lang.String)
+
+(host;import java.lang.reflect.Field
+  (get [Object] Object))
+
+(host;import (java.lang.Class a)
+  (getField [String] Field))
+
+(host;import org.objectweb.asm.Opcodes
+  (#static ACC_PUBLIC int)
+  (#static ACC_SUPER int)
+  (#static ACC_FINAL int)
+  (#static ACC_STATIC int)
+  (#static PUTSTATIC int)
+  (#static RETURN int)
+  (#static V1_6 int)
+  )
+
+(host;import org.objectweb.asm.MethodVisitor
+  (visitCode [] void)
+  (visitEnd [] void)
+  (visitLdcInsn [Object] void)
+  (visitFieldInsn [int String String String] void)
+  (visitInsn [int] void)
+  (visitMaxs [int int] void))
+
+(host;import org.objectweb.asm.FieldVisitor
+  (visitEnd [] void))
+
+(host;import org.objectweb.asm.ClassWriter
+  (#static COMPUTE_MAXS int)
+  (new [int])
+  (visit [int int String String String (Array String)] void)
+  (visitEnd [] void)
+  (visitField [int String String String Object] FieldVisitor)
+  (visitMethod [int String String String (Array String)] MethodVisitor)
+  (toByteArray [] (Array byte)))
+
+(def: #export (eval valueI)
+  (-> $;Inst (Meta Top))
+  (do meta;Monad<Meta>
+    [class-name (:: @ map %code (meta;gensym "eval"))
+     #let [writer (|> (do-to (ClassWriter.new ClassWriter.COMPUTE_MAXS)
+                        (ClassWriter.visit [commonT;bytecode-version
+                                            (i.+ Opcodes.ACC_PUBLIC Opcodes.ACC_SUPER)
+                                            class-name
+                                            (host;null)
+                                            "java/lang/Object"
+                                            (host;null)]))
+                      ($d;field #$;Public ($_ $;++F $;finalF $;staticF)
+                                commonT;value-field commonT;$Object)
+                      ($d;method #$;Public ($_ $;++M $;staticM $;strictM)
+                                 "<clinit>"
+                                 ($t;method (list) #;None (list))
+                                 (|>. valueI
+                                      ($i;PUTSTATIC class-name commonT;value-field commonT;$Object)
+                                      $i;RETURN)))
+           bytecode (ClassWriter.toByteArray [] (do-to writer (ClassWriter.visitEnd [])))]
+     _ (commonT;store-class class-name bytecode)
+     class (commonT;load-class class-name)]
+    (wrap (|> class
+              (Class.getField [commonT;value-field])
+              (Field.get (host;null))))))
-- 
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