From b64a71330292bd72a38a3c56fd1a1694a2eb15a3 Mon Sep 17 00:00:00 2001
From: Luke Imhoff <Kronic.Deth@gmail.com>
Date: Sun, 6 Aug 2017 21:58:57 -0500
Subject: [PATCH] Include specific message for each decompilation error reason

---
 src/org/elixir_lang/beam/Decompiler.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/org/elixir_lang/beam/Decompiler.java b/src/org/elixir_lang/beam/Decompiler.java
index d5952a2b5..5c7c8a380 100644
--- a/src/org/elixir_lang/beam/Decompiler.java
+++ b/src/org/elixir_lang/beam/Decompiler.java
@@ -19,6 +19,7 @@
 import java.util.List;
 import java.util.SortedSet;
 
+import static org.elixir_lang.beam.chunk.Chunk.TypeID.ATOM;
 import static org.elixir_lang.psi.call.name.Function.DEF;
 import static org.elixir_lang.psi.call.name.Function.DEFMACRO;
 import static org.elixir_lang.psi.call.name.Module.ELIXIR_PREFIX;
@@ -36,7 +37,7 @@ public class Decompiler implements BinaryFileDecompiler {
 
     @NotNull
     private static CharSequence decompiled(@Nullable Beam beam) {
-        StringBuilder decompiled = new StringBuilder("Decompilation Error");
+        StringBuilder decompiled = new StringBuilder("# Decompilation Error: ");
 
         if (beam != null) {
             Atoms atoms = beam.atoms();
@@ -57,8 +58,14 @@ private static CharSequence decompiled(@Nullable Beam beam) {
                     appendExports(decompiled, beam, atoms);
 
                     decompiled.append("end\n");
+                } else {
+                    decompiled.append("No module name found in ").append(ATOM).append(" chunk in BEAM");
                 }
+            } else {
+                decompiled.append("No ").append(ATOM).append(" chunk found in BEAM");
             }
+        } else {
+            decompiled.append("BEAM format could not be read");
         }
 
         return decompiled;