FIXME: placeholder for function source

src-input/duk_bi_function.c

@@ -135,6 +135,13 @@ DUK_INTERNAL duk_ret_t duk_bi_function_prototype_to_string(duk_context *ctx) {
 			func_name = duk_to_string(ctx, -1);
 			DUK_ASSERT(func_name != NULL);
 		}
+		/* Leave func_name on value stack for reachability. */
+
+		if (duk_get_prop_stridx(ctx, -2, DUK_STRIDX_INT_SOURCE)) {
+			/* If function has _Source, use it as is. */
+			return 1;
+		}
+		/* No need to duk_pop() here; save footprint. */
 
 		if (DUK_HOBJECT_IS_COMPFUNC(obj)) {
 			duk_push_sprintf(ctx, "function %s() { [ecmascript code] }", (const char *) func_name);

src-input/duk_js_compiler.c

@@ -888,8 +888,9 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
 	}
 
 	/* _Source */
-#if defined(DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY)
-	if (0) {
+	/* FIXME: implement */
+#if  1 /* FIXME: defined(DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY) */
+	if (1) {
 		/* XXX: Currently function source code is not stored, as it is not
 		 * required by the standard.  Source code should not be stored by
 		 * default (user should enable it explicitly), and the source should
@@ -928,10 +929,8 @@ DUK_LOCAL void duk__convert_to_func_template(duk_compiler_ctx *comp_ctx, duk_boo
 		 *    'function a(foo,bar) { print(foo); }'
 		 */
 
-#if 0
 		duk_push_string(ctx, "XXX");
 		duk_xdef_prop_stridx(ctx, -2, DUK_STRIDX_INT_SOURCE, DUK_PROPDESC_FLAGS_NONE);
-#endif
 	}
 #endif  /* DUK_USE_NONSTD_FUNC_SOURCE_PROPERTY */