Lexer: - proper support of preprocessor - parse float numbers - octal&hex escape sequences - wide string constants - proper handling of different file encodings Parser: - the expect macros abort functions directly. This leads to some functions not resetting the current context properly (parse_for) - proper handling of function pointer types - outermost typequalifiers can differ between function declarations and implementations... - fix semantic to ignore type qualifiers (const double is the same as double) ast2firm: - output source file positions for panics...