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🧑‍💻 "static_warning"

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This commit is contained in:
Scott Lahteine 2024-02-07 18:09:36 -06:00
parent a3c78c4510
commit 0829a511f0
1 changed files with 18 additions and 0 deletions
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18
Marlin/src/inc/Warnings.cpp
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@ -31,6 +31,24 @@
// Warnings! Located here so they will appear just once in the build output. // Warnings! Located here so they will appear just once in the build output.
// //
// static_warning works like a static_assert but only emits a (messy) warning.
#ifdef __GNUC__
namespace mfwarn {
struct true_type {};
struct false_type {};
template <int test> struct converter : public true_type {};
template <> struct converter<0> : public false_type {};
}
#define static_warning(cond, msg) \
struct CAT(static_warning, __LINE__) { \
void _(::mfwarn::false_type const&) __attribute__((deprecated(msg))) {}; \
void _(::mfwarn::true_type const&) {}; \
CAT(static_warning, __LINE__)() {_(::mfwarn::converter<(cond)>());} \
}
#else
#define static_warning(...)
#endif
#if ENABLED(MARLIN_DEV_MODE) #if ENABLED(MARLIN_DEV_MODE)
#warning "WARNING! Disable MARLIN_DEV_MODE for the final build!" #warning "WARNING! Disable MARLIN_DEV_MODE for the final build!"
#ifdef __LONG_MAX__ #ifdef __LONG_MAX__