tools: kexttool: implement Makefile generation for internal kexts

tools/kexttool/kext.py

@@ -4,9 +4,11 @@ import os
 import glob
 
 class KextSource:
-    __kext_info = {}
-    __src_dir_path = ''
-
+    src_languages = {
+        'C': [ '.c' ],
+        'CXX': [ '.cpp' ],
+        'ASM': [ '.S' ],
+    }
 
     def scan(path):
         result = []
@@ -29,11 +31,34 @@ class KextSource:
             self.__kext_info = yaml.safe_load(info_fp)
 
 
+    def __extension_is_of_lang(ext, lang_name):
+        for name, exts in KextSource.src_languages.items():
+            if name == lang_name and ext in exts:
+                return True
+
+        return False
+
+    
+    def __extension_get_lang(ext):
+        for name, exts in src_languages.items():
+            if ext in exts:
+                return name
+
+        return None
+    
+
     def name(self):
         return self.__kext_info['name']
 
 
-    def id(self):
+    def description(self):
+        return self.__kext_info['description']
+
+
+    def id(self, underscores=False):
+        if underscores:
+            return self.__kext_info['id'].replace('.', '_').replace('-', '_')
+        
         return self.__kext_info['id']
 
 
@@ -49,5 +74,33 @@ class KextSource:
         return self.__kext_info['sources']
 
 
+    def source_languages(self):
+        langs = []
+
+        for src in self.__kext_info['sources']:
+            ext = os.path.splitext(src)[1]
+            lang = KextSource.__extension_get_lang(ext)
+            if lang == None:
+                continue
+
+            langs.append(lang)
+
+        return langs
+
+
+    def sources_filepath(self, lang=None):
+        sources = []
+        for s in self.__kext_info['sources']:
+            if lang != None:
+                ext = os.path.splitext(s)[1]
+                if KextSource.__extension_is_of_lang(lang, ext):
+                    continue
+                
+            full_path = os.path.join(self.__src_dir_path, s)
+            sources.append(full_path)
+
+        return sources
+        
+
     def src_dirpath(self):
         return self.__src_dir_path