Rework apisets to use a table

This removes all fake apiset forwarders,
and handles apisets inside ntdll.
This is not 100% compatible with how windows does it, but it should be good enough for us.

sdk/lib/apisets/update.py

@@ -0,0 +1,150 @@
+'''
+PROJECT:     ReactOS apisets
+LICENSE:     MIT (https://spdx.org/licenses/MIT)
+PURPOSE:     Create apiset lookup table based on the data files of https://apisets.info
+COPYRIGHT:   Copyright 2024 Mark Jansen <mark.jansen@reactos.org>
+'''
+
+from pathlib import Path
+from dataclasses import dataclass, field
+import sys
+import json
+
+# These are modules we do not have, so redirect them to ones we do have.
+REDIRECT_HOSTS = {
+    'kernelbase.dll': 'kernel32.dll',
+    'kernel.appcore.dll': 'kernel32.dll',
+    'combase.dll': 'ole32.dll',
+    'ucrtbase.dll': 'msvcrt.dll',
+    'shcore.dll': 'shell32.dll',
+    'winmmbase.dll': 'winmm.dll',
+    'gdi32full.dll': 'gdi32.dll'
+}
+
+OUTPUT_HEADER = """/*
+ * PROJECT:     ReactOS apisets
+ * LICENSE:     LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
+ * PURPOSE:     Autogenerated table of all apisets
+ * COPYRIGHT:   Copyright 2024 Mark Jansen <mark.jansen@reactos.org>
+ */
+
+#include <ndk/umtypes.h>
+#include <ndk/rtlfuncs.h>
+#include "apisetsp.h"
+
+const ROS_APISET g_Apisets[] = {
+"""
+
+OUTPUT_FOOTER = """};
+
+const LONG g_ApisetsCount = RTL_NUMBER_OF(g_Apisets);
+"""
+
+def winver_to_name(version):
+    major, minor, build, _ = map(int, version.split('.'))
+    if (major, minor) == (6, 1):
+        return 'APISET_WIN7'
+    if (major, minor) == (6, 2):
+        return 'APISET_WIN8'
+    if (major, minor) == (6, 3):
+        return 'APISET_WIN81'
+    if (major, minor) == (10, 0):
+        if build < 22000:
+            return 'APISET_WIN10'
+        return 'APISET_WIN11'
+    assert False, (major, minor, build)
+
+@dataclass
+class Apiset:
+    name: str
+    host: str
+    versions: list[str] = field(default_factory=list)
+
+    def add_version(self, version):
+        if version not in self.versions:
+            self.versions.append(version)
+
+    def __str__(self):
+        version_str = ' | '.join(self.versions)
+        name = self.name
+        assert name[-4:].lower() == '.dll'
+        name = name[:-4]
+        prefix, postfix = '', ''
+        host = self.host
+        if host == '':
+            # Disable forwarders that have an empty host
+            prefix = '// '
+        else:
+            # Check to see if there is any dll we want to swap (kernelbase -> kernel32)
+            replace = REDIRECT_HOSTS.get(host.lower(), None)
+            if replace:
+                postfix = ' // ' + host
+                host = replace
+        return f'    {prefix}{{ RTL_CONSTANT_STRING(L"{name}"), RTL_CONSTANT_STRING(L"{host}"), {version_str} }},{postfix}'
+
+
+class ApisetSchema:
+    def __init__(self, file):
+        self._data = json.load(file.open())
+        self.version = winver_to_name(self._data['PE']['ProductVersion'])
+        self._arch = self._data['PE']['Machine']
+
+    def apisets(self):
+        for elem in self._data['namespaces']:
+            name = elem['name']
+            host = elem['host']
+            yield Apiset(name, host)
+
+
+class CombinedSchemas:
+    def __init__(self):
+        self._apisets = {}
+
+    def add(self, schema: ApisetSchema):
+        for apiset in schema.apisets():
+            lowername = apiset.name.lower()
+            if lowername not in self._apisets:
+                self._apisets[lowername] = apiset
+            else:
+                apiset = self._apisets[lowername]
+            apiset.add_version(schema.version)
+
+    def generate(self, output):
+        for key in sorted(self._apisets):
+            apiset = self._apisets[key]
+            output.write(f'{apiset}\n'.encode('utf-8'))
+
+
+def process_apisetschemas(input_dir: Path, output_file):
+    schemas = CombinedSchemas()
+
+    for schemafile in input_dir.glob('*.json'):
+        schema = ApisetSchema(schemafile)
+        # Skip Win11 for now
+        if schema.version != 'APISET_WIN11':
+            schemas.add(schema)
+
+    output_file.write(OUTPUT_HEADER.encode('utf-8'))
+    schemas.generate(output_file)
+    output_file.write(OUTPUT_FOOTER.encode('utf-8'))
+
+
+def usage():
+    print('Usage: update.py <apisetschema folder>')
+    print('    where <apisetschema folder> is the folder with all apisetschema json files')
+
+def main(args):
+    if len(args) < 1:
+        return usage()
+
+    apisetschemas = Path(args[0])
+    if not apisetschemas.is_dir():
+        return usage()
+
+    output = Path(__file__).parent / 'apisets.table.c'
+
+    process_apisetschemas(apisetschemas, output.open('wb'))
+
+
+if __name__ == '__main__':
+    main(sys.argv[1:])