From 6c3397fac8300afe55be4007faea932771c85199 Mon Sep 17 00:00:00 2001
From: Steven Watanabe <steven@providere-consulting.com>
Date: Sat, 16 Dec 2017 15:19:00 -0700
Subject: [PATCH] Fix crash when calling a member function that doesn't exist. 
 Fixes #260.

---
 src/engine/compile.c  |  2 +-
 src/engine/function.c | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/engine/compile.c b/src/engine/compile.c
index 6adb83fa2..6ebb4006c 100644
--- a/src/engine/compile.c
+++ b/src/engine/compile.c
@@ -99,7 +99,7 @@ LIST * evaluate_rule( RULE * rule, OBJECT * rulename, FRAME * frame )
 
     /* Check traditional targets $(<) and sources $(>). */
     if ( !rule->actions && !rule->procedure )
-        unknown_rule( frame, NULL, frame->module, rule->name );
+        unknown_rule( frame, NULL, frame->module, rulename );
 
     /* If this rule will be executed for updating the targets then construct the
      * action for make().
diff --git a/src/engine/function.c b/src/engine/function.c
index d426f5386..2244c3e30 100644
--- a/src/engine/function.c
+++ b/src/engine/function.c
@@ -533,7 +533,20 @@ static LIST * function_call_member_rule( JAM_FUNCTION * function, FRAME * frame,
     if ( module->class_module )
     {
         rule = bindrule( rulename, module );
-        real_rulename = object_copy( function_rulename( rule->procedure ) );
+        if ( rule->procedure )
+        {
+            real_rulename = object_copy( function_rulename( rule->procedure ) );
+        }
+        else
+        {
+            string buf[ 1 ];
+            string_new( buf );
+            string_append( buf, object_str( module->name ) );
+            string_push_back( buf, '.' );
+            string_append( buf, object_str( rulename ) );
+            real_rulename = object_new( buf->value );
+            string_free( buf );
+        }
     }
     else
     {