From 234ae5d9d62e8edcd9555c075cb5b1f404ef67a7 Mon Sep 17 00:00:00 2001
From: walter <walter@4a9d5153-6564-4b3f-b5e1-7e8e9dac548f>
Date: Mon, 13 Oct 2008 17:19:53 +0000
Subject: [PATCH] add hidden function error support

git-svn-id: http://svn.dsource.org/projects/druntime/trunk@24 4a9d5153-6564-4b3f-b5e1-7e8e9dac548f
---
 import/object.di          |  2 ++
 src/compiler/dmd/dmain2.d |  3 +++
 src/core/exception.d      | 29 +++++++++++++++++++++++++++++
 3 files changed, 34 insertions(+)

diff --git a/import/object.di b/import/object.di
index 3301d27..ff7ad8d 100644
--- a/import/object.di
+++ b/import/object.di
@@ -22,6 +22,8 @@ class Object
         void lock();
         void unlock();
     }
+
+    static Object factory(string classname);
 }
 
 struct Interface
diff --git a/src/compiler/dmd/dmain2.d b/src/compiler/dmd/dmain2.d
index 4141920..ec42e66 100644
--- a/src/compiler/dmd/dmain2.d
+++ b/src/compiler/dmd/dmain2.d
@@ -74,10 +74,13 @@ extern (C) void _d_switch_error( string file, uint line )
     onSwitchError( file, line );
 }
 
+/+
 extern (C) void _d_hidden_func()
 {
     // TODO: Figure out what to do with this routine
+    // it's in exception.d for the moment
 }
++/
 
 bool _d_isHalting = false;
 
diff --git a/src/core/exception.d b/src/core/exception.d
index 1dd603d..e44392a 100644
--- a/src/core/exception.d
+++ b/src/core/exception.d
@@ -29,6 +29,18 @@ class ArrayBoundsException : Exception
 }
 
 
+/**
+ * Thrown on hidden function error.
+ */
+class HiddenFuncException : Exception
+{
+    this(ClassInfo ci)
+    {
+        super("hidden method called for " ~ ci.name);
+    }
+}
+
+
 /**
  * Thrown on an assert error.
  */
@@ -249,3 +261,20 @@ extern (C) void onUnicodeError( string msg, size_t idx )
 {
     throw new UnicodeException( msg, idx );
 }
+
+/********************************************
+ * Called by the compiler generated code.
+ */
+
+extern (C) void _d_hidden_func()
+{   Object o;
+    asm
+    {
+        mov o, EAX;
+    }
+
+    //printf("_d_hidden_func()\n");
+    auto a = new HiddenFuncException(o.classinfo);
+    //printf("assertion %p created\n", a);
+    throw a;
+}
-- 
2.43.0