possible reason:
1. The class header file deletion or structure is defined semicolon ";"
2. ifdef conditional compilation code block lacks braces (}) or a semicolon (;), for example:
#ifdef XXX void func() { #endif
possible reason:
1. The class header file deletion or structure is defined semicolon ";"
2. ifdef conditional compilation code block lacks braces (}) or a semicolon (;), for example:
#ifdef XXX void func() { #endif