From 67687850677bb34df37d6e9d1a2578d1198108d6 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Thu, 20 Jun 2019 03:10:30 -0400
Subject: Re-factored exceptions.

---
 .../lux/target/jvm/attribute/code/exception.lux    | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 stdlib/source/lux/target/jvm/attribute/code/exception.lux

(limited to 'stdlib/source/lux/target/jvm/attribute/code/exception.lux')

diff --git a/stdlib/source/lux/target/jvm/attribute/code/exception.lux b/stdlib/source/lux/target/jvm/attribute/code/exception.lux
new file mode 100644
index 000000000..6ec0a1773
--- /dev/null
+++ b/stdlib/source/lux/target/jvm/attribute/code/exception.lux
@@ -0,0 +1,51 @@
+(.module:
+  [lux #*
+   [abstract
+    ["." equivalence (#+ Equivalence)]]
+   [data
+    [format
+     [".F" binary (#+ Format)]]]]
+  ["." // #_
+   ["#." label (#+ Label)]
+   ["//#" /// #_
+    [constant (#+ Class)]
+    ["#." encoding (#+ U2)]
+    ["#." index (#+ Index)]]])
+
+(type: #export Exception
+  {#start-pc Label
+   #end-pc Label
+   #handler-pc Label
+   #catch-type (Index Class)})
+
+(def: #export equivalence
+  (Equivalence Exception)
+  ($_ equivalence.product
+      //label.equivalence
+      //label.equivalence
+      //label.equivalence
+      ////index.equivalence
+      ))
+
+## https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.3
+(def: #export length
+  Nat
+  ($_ n/+
+      ## u2 start_pc;
+      ////encoding.u2-bytes
+      ## u2 end_pc;
+      ////encoding.u2-bytes
+      ## u2 handler_pc;
+      ////encoding.u2-bytes
+      ## u2 catch_type;
+      ////encoding.u2-bytes
+      ))
+
+(def: #export format
+  (Format Exception)
+  ($_ binaryF.and
+      //label.format
+      //label.format
+      //label.format
+      ////index.format
+      ))
-- 
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