llpyg: use inspect.Signature

py/arg.go

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package py
+
+import (
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+// https://docs.python.org/3/c-api/arg.html
+
+// Create a new value based on a format string similar to those accepted by the
+// PyArg_Parse* family of functions and a sequence of values. Returns the value or
+// nil in the case of an error; an exception will be raised if nil is returned.
+// See https://docs.python.org/3/c-api/arg.html#c.Py_BuildValue
+//
+//go:linkname BuildValue C.Py_BuildValue
+func BuildValue(format *c.Char, __llgo_va_list ...any) *Object