Add python script to refactor most calls to deleteInstance (#870)

Author: xezon

scripts/cpp/refactor_delete_instance.py

@@ -0,0 +1,93 @@
+# Created with python 3.11.4
+
+import glob
+import os
+
+
+def modifyLine(line: str) -> str:
+    if 'friend_deleteInstance()' in line:
+        return line
+
+    deleteInstanceBegin = line.find('deleteInstance()')
+    deleteInstanceEnd = deleteInstanceBegin + len('deleteInstance()')
+    if deleteInstanceBegin >= 0:
+        i = deleteInstanceBegin
+
+        # Skip MemoryPoolObject::deleteInstance()
+        if i >= 2 and line[i-2:i] == '::':
+            return line
+
+        # Skip void deleteInstance()
+        if i >= 5 and line[i-5:i] == 'void ':
+            return line
+
+        # Skip void friend_deleteInstance()
+        if i >= 5 and line[i-5:i] == 'void ':
+            return line
+
+        # Walk back to object end
+        i -= 1
+        while i >= 0:
+            ch = line[i]
+            if ch != '>' and ch != '-' and not ch.isspace():
+                break
+            i -= 1
+        objectEnd = i + 1
+
+        # Walk back to object begin
+        while i >= 0:
+            ch = line[i]
+            if ch.isspace() or ch == '{' or ch == '}':
+                break
+            i -= 1
+        objectBegin = i + 1
+        objectName = line[objectBegin:objectEnd]
+
+        if objectName:
+            lineCopy = line[:objectBegin]
+            lineCopy += f'MemoryPoolObject::deleteInstance({objectName})'
+            lineCopy += line[deleteInstanceEnd:]
+            return lineCopy
+        else:
+            lineCopy = line[:deleteInstanceBegin]
+            lineCopy += 'MemoryPoolObject::deleteInstance(this)'
+            lineCopy += line[deleteInstanceEnd:]
+            return lineCopy
+
+    return line
+
+
+def main():
+    current_dir = os.path.dirname(os.path.abspath(__file__))
+    root_dir = os.path.join(current_dir, "..", "..")
+    root_dir = os.path.normpath(root_dir)
+    core_dir = os.path.join(root_dir, "Core")
+    generals_dir = os.path.join(root_dir, "Generals")
+    generalsmd_dir = os.path.join(root_dir, "GeneralsMD")
+    fileNames = []
+    fileNames.extend(glob.glob(os.path.join(core_dir, '**', '*.h'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(core_dir, '**', '*.cpp'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(core_dir, '**', '*.inl'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(generals_dir, '**', '*.h'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(generals_dir, '**', '*.cpp'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(generals_dir, '**', '*.inl'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(generalsmd_dir, '**', '*.h'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(generalsmd_dir, '**', '*.cpp'), recursive=True))
+    fileNames.extend(glob.glob(os.path.join(generalsmd_dir, '**', '*.inl'), recursive=True))
+
+    for fileName in fileNames:
+        with open(fileName, 'r', encoding="cp1252") as file:
+            try:
+                lines = file.readlines()
+            except UnicodeDecodeError:
+                continue # Not good.
+        with open(fileName, 'w', encoding="cp1252") as file:
+            for line in lines:
+                line = modifyLine(line)
+                file.write(line)
+
+    return
+
+
+if __name__ == "__main__":
+    main()