| .. title:: clang-tidy - readability-uppercase-literal-suffix |
| |
| readability-uppercase-literal-suffix |
| ==================================== |
| |
| `cert-dcl16-c` redirects here as an alias for this check. |
| By default, only the suffixes that begin with ``l`` (``l``, ``ll``, ``lu``, |
| ``llu``, but not ``u``, ``ul``, ``ull``) are diagnosed by that alias. |
| |
| `hicpp-uppercase-literal-suffix` redirects here as an alias for this check. |
| |
| Detects when the integral literal or floating point (decimal or hexadecimal) |
| literal has a non-uppercase suffix and provides a fix-it hint with the uppercase |
| suffix. |
| |
| All valid combinations of suffixes are supported. |
| |
| .. code:: c |
| |
| auto x = 1; // OK, no suffix. |
| |
| auto x = 1u; // warning: integer literal suffix 'u' is not upper-case |
| |
| auto x = 1U; // OK, suffix is uppercase. |
| |
| ... |
| |
| Options |
| ------- |
| |
| .. option:: NewSuffixes |
| |
| Optionally, a list of the destination suffixes can be provided. When the |
| suffix is found, a case-insensitive lookup in that list is made, and if a |
| replacement is found that is different from the current suffix, then the |
| diagnostic is issued. This allows for fine-grained control of what suffixes to |
| consider and what their replacements should be. |
| |
| Example |
| ^^^^^^^ |
| |
| Given a list `L;uL`: |
| |
| * ``l`` -> ``L`` |
| * ``L`` will be kept as is. |
| * ``ul`` -> ``uL`` |
| * ``Ul`` -> ``uL`` |
| * ``UL`` -> ``uL`` |
| * ``uL`` will be kept as is. |
| * ``ull`` will be kept as is, since it is not in the list |
| * and so on. |
| |
| .. option:: IgnoreMacros |
| |
| If this option is set to `true` (default is `true`), the check will not warn |
| about literal suffixes inside macros. |
