address bugprone-exception-escape clang-tidy warning in Macro copy constructor #537
Description
Encountered in #421.
/usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/stl_pair.h:295:17: error: an exception may be thrown in function 'pair' which should not throw exceptions [bugprone-exception-escape,-warnings-as-errors]
295 | constexpr pair(pair&&) = default; ///< Move constructor
| ^
/home/runner/work/simplecpp/simplecpp/simplecpp.cpp:1747:29: note: frame #0: unhandled exception of type 'simplecpp::Macro::Error' may be thrown in function 'parseDefine' here
1747 | throw Error(tok->location, "In definition of '" + nameTokDef->str() + "': Missing opening parenthesis for __VA_OPT__");
| ^
/home/runner/work/simplecpp/simplecpp/simplecpp.cpp:1508:21: note: frame #1: function 'operator=' calls function 'parseDefine' here
1508 | parseDefine(other.nameTokDef);
| ^
/home/runner/work/simplecpp/simplecpp/simplecpp.cpp:1495:19: note: frame #2: function 'Macro' calls function 'operator=' here
1495 | *this = other;
| ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/stl_pair.h:295:17: note: frame #3: function 'pair' calls function 'Macro' here
295 | constexpr pair(pair&&) = default; ///< Move constructor
| ^
``