[libc-commits] [libc] [libc] newheadergen: script adjusted for cmake (PR #98825)

[Michael Jones via libc-commits]

================
@@ -0,0 +1,96 @@
+#!/usr/bin/env python
+#
+# ===- HeaderFile Class for libc function headers  -----------*- python -*--==#
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+# ==-------------------------------------------------------------------------==#
+
+
+class HeaderFile:
+    def __init__(self, name):
+        self.name = name
+        self.macros = []
+        self.types = []
+        self.enumerations = []
+        self.objects = []
+        self.functions = []
+        self.includes = []
+
+    def add_macro(self, macro):
+        self.macros.append(macro)
+
+    def add_type(self, type_):
+        self.types.append(type_)
+
+    def add_enumeration(self, enumeration):
+        self.enumerations.append(enumeration)
+
+    def add_object(self, object):
+        self.objects.append(object)
+
+    def add_function(self, function):
+        self.functions.append(function)
+
+    def add_include(self, include):
+        self.includes.append(include)
+
+    def __str__(self):
+        content = []
+
+        content.append(
+            f"//===-- C standard declarations for {self.name} ------------------------------===//"
+        )
+        content.append("//")
+        content.append(
+            "// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions."
+        )
+        content.append("// See https://llvm.org/LICENSE.txt for license information.")
+        content.append("// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception")
+        content.append("//")
+        content.append(
+            "//===----------------------------------------------------------------------===//\n"
+        )
+
+        header_guard = f"__LLVM_LIBC_DECLARATIONS_{self.name.upper()[:-2]}_H"
+        content.append(f"#ifndef {header_guard}")
+        content.append(f"#define {header_guard}\n")
+
+        content.append("#ifndef __LIBC_ATTRS")
+        content.append("#define __LIBC_ATTRS")
+        content.append("#endif\n")
+
+        content.append("#ifdef __cplusplus")
+        content.append('extern "C" {')
+        content.append("#endif\n")
+
+        for include in self.includes:
----------------
michaelrj-google wrote:

for the GPU version we don't need anything but the function and object declarations.

https://github.com/llvm/llvm-project/pull/98825