Apply Reference type usage

amos402 · amos402 · commit 8e3c0284d778 · 2020-03-10T15:44:47.000+08:00
diff --git a/src/runtime/typemanager.cs b/src/runtime/typemanager.cs
@@ -891,7 +891,8 @@ public static IntPtr CreateObjectType()
                 throw new PythonException();
             }
             const string code = "class A(object): pass";
-            IntPtr res = Runtime.PyRun_String(code, RunFlagType.File, globals, globals);
+            var resRef = Runtime.PyRun_String(code, RunFlagType.File, globals, globals);
+            IntPtr res = resRef.DangerousGetAddress();
             if (res == IntPtr.Zero)
             {
                 try
@@ -903,7 +904,7 @@ public static IntPtr CreateObjectType()
                     Runtime.XDecref(globals);
                 }
             }
-            Runtime.XDecref(res);
+            resRef.Dispose();
             IntPtr A = Runtime.PyDict_GetItemString(globals, "A");
             Debug.Assert(A != IntPtr.Zero);
             Runtime.XIncref(A);

Original file line number	Diff line number	Diff line change
`@@ -891,7 +891,8 @@ public static IntPtr CreateObjectType()`
`891`	`891`	`throw new PythonException();`
`892`	`892`	`}`
`893`	`893`	`const string code = "class A(object): pass";`
`894`		`- IntPtr res = Runtime.PyRun_String(code, RunFlagType.File, globals, globals);`
	`894`	`+ var resRef = Runtime.PyRun_String(code, RunFlagType.File, globals, globals);`
	`895`	`+ IntPtr res = resRef.DangerousGetAddress();`
`895`	`896`	`if (res == IntPtr.Zero)`
`896`	`897`	`{`
`897`	`898`	`try`
`@@ -903,7 +904,7 @@ public static IntPtr CreateObjectType()`
`903`	`904`	`Runtime.XDecref(globals);`
`904`	`905`	`}`
`905`	`906`	`}`
`906`		`- Runtime.XDecref(res);`
	`907`	`+ resRef.Dispose();`
`907`	`908`	`IntPtr A = Runtime.PyDict_GetItemString(globals, "A");`
`908`	`909`	`Debug.Assert(A != IntPtr.Zero);`
`909`	`910`	`Runtime.XIncref(A);`