# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1484240672 -3600
# Node ID d0eae4e1bdc34a86b4181705dff32f5f2733d6f6
# Parent  3b41a8721f9c901491310a2780e8462c68b4b6d5
Added SystemExit support.

diff -r 3b41a8721f9c -r d0eae4e1bdc3 generator.py
--- a/generator.py	Thu Jan 12 18:03:49 2017 +0100
+++ b/generator.py	Thu Jan 12 18:04:32 2017 +0100
@@ -1115,6 +1115,11 @@
     }
     __Catch(__tmp_exc)
     {
+        if (__ISINSTANCE(__tmp_exc.arg, ((__attr) {0, &__builtins___exception_system_SystemExit})))
+            return __load_via_object(
+                __load_via_object(__tmp_exc.arg.value, %s).value,
+                %s).intvalue;
+
         fprintf(stderr, "Program terminated due to exception: %%s.\\n",
                 __load_via_object(
                     %s((__attr[]) {{0, 0}, __tmp_exc.arg}).value,
@@ -1123,6 +1128,8 @@
     }
 }
 """ % (
+    encode_symbol("pos", "value"),
+    encode_symbol("pos", "__data__"),
     encode_function_pointer("__builtins__.str.str"),
     encode_symbol("pos", "__data__")
     )
diff -r 3b41a8721f9c -r d0eae4e1bdc3 lib/__builtins__/exception/system.py
--- a/lib/__builtins__/exception/system.py	Thu Jan 12 18:03:49 2017 +0100
+++ b/lib/__builtins__/exception/system.py	Thu Jan 12 18:04:32 2017 +0100
@@ -40,6 +40,12 @@
 class RuntimeError(Exception): pass
 class RuntimeWarning(Warning): pass
 class SystemError(Exception): pass
-class SystemExit(Exception): pass
+
+class SystemExit(Exception):
+
+    "An exception exiting the program."
+
+    def __init__(self, value):
+        self.value = value
 
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