Use standard attribute syntax instead of IBM __attribute__

Move format attrs to proper standard location

For some reason, GCC 13 is more lax than earlier versions...
This commit is contained in:
ISSOtm
2024-03-28 00:47:58 +01:00
committed by Rangi42
parent 506911d7d0
commit cae7b5dcf6
11 changed files with 36 additions and 42 deletions

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@@ -62,7 +62,7 @@ void processWarningFlag(char const *flag);
* Used to warn the user about problems that don't prevent the generation of
* valid code.
*/
void warning(WarningID id, char const *fmt, ...) format_(printf, 2, 3);
[[gnu::format(printf, 2, 3)]] void warning(WarningID id, char const *fmt, ...);
/*
* Used for errors that compromise the whole assembly process by affecting the
@@ -71,7 +71,7 @@ void warning(WarningID id, char const *fmt, ...) format_(printf, 2, 3);
* It is also used when the assembler goes into an invalid state (for example,
* when it fails to allocate memory).
*/
[[noreturn]] void fatalerror(char const *fmt, ...) format_(printf, 1, 2);
[[gnu::format(printf, 1, 2), noreturn]] void fatalerror(char const *fmt, ...);
/*
* Used for errors that make it impossible to assemble correctly, but don't
@@ -79,6 +79,6 @@ void warning(WarningID id, char const *fmt, ...) format_(printf, 2, 3);
* get a list of all errors at the end, making it easier to fix all of them at
* once.
*/
void error(char const *fmt, ...) format_(printf, 1, 2);
[[gnu::format(printf, 1, 2)]] void error(char const *fmt, ...);
#endif // WARNING_H

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@@ -3,16 +3,15 @@
#ifndef RGBDS_ERROR_H
#define RGBDS_ERROR_H
#include "helpers.hpp"
#include "platform.hpp"
extern "C" {
void warn(char const *fmt...) format_(printf, 1, 2);
void warnx(char const *fmt, ...) format_(printf, 1, 2);
[[gnu::format(printf, 1, 2)]] void warn(char const *fmt...);
[[gnu::format(printf, 1, 2)]] void warnx(char const *fmt, ...);
[[noreturn]] void err(char const *fmt, ...) format_(printf, 1, 2);
[[noreturn]] void errx(char const *fmt, ...) format_(printf, 1, 2);
[[gnu::format(printf, 1, 2), noreturn]] void err(char const *fmt, ...);
[[gnu::format(printf, 1, 2), noreturn]] void errx(char const *fmt, ...);
}
#endif // RGBDS_ERROR_H

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@@ -58,7 +58,7 @@ struct Options {
static constexpr uint8_t VERB_DEBUG = 4; // Internals are logged
static constexpr uint8_t VERB_UNMAPPED = 5; // Unused so far
static constexpr uint8_t VERB_VVVVVV = 6; // What, can't I have a little fun?
format_(printf, 3, 4) void verbosePrint(uint8_t level, char const *fmt, ...) const;
[[gnu::format(printf, 3, 4)]] void verbosePrint(uint8_t level, char const *fmt, ...) const;
mutable bool hasTransparentPixels = false;
uint8_t maxOpaqueColors() const { return nbColorsPerPal - hasTransparentPixels; }
@@ -73,11 +73,11 @@ extern Options options;
/*
* Prints a warning, and does not change the error count
*/
void warning(char const *fmt, ...) format_(printf, 1, 2);
[[gnu::format(printf, 1, 2)]] void warning(char const *fmt, ...);
/*
* Prints an error, and increments the error count
*/
void error(char const *fmt, ...) format_(printf, 1, 2);
[[gnu::format(printf, 1, 2)]] void error(char const *fmt, ...);
/*
* Prints an error, and increments the error count
* Does not take format arguments so `format_` and `-Wformat-security` won't complain about
@@ -87,7 +87,7 @@ void errorMessage(char const *msg);
/*
* Prints a fatal error, increments the error count, and gives up
*/
[[noreturn]] void fatal(char const *fmt, ...) format_(printf, 1, 2);
[[gnu::format(printf, 1, 2), noreturn]] void fatal(char const *fmt, ...);
struct Palette {
// An array of 4 GBC-native (RGB555) colors

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@@ -5,9 +5,6 @@
// Ideally, we'd use `__has_attribute` and `__has_builtin`, but these were only introduced in GCC 9
#ifdef __GNUC__ // GCC or compatible
#define format_(archetype, str_index, first_arg) \
__attribute__((format(archetype, str_index, first_arg)))
#define attr_(...) __attribute__((__VA_ARGS__))
// In release builds, define "unreachable" as such, but trap in debug builds
#ifdef NDEBUG
#define unreachable_ __builtin_unreachable
@@ -15,9 +12,6 @@
#define unreachable_ __builtin_trap
#endif
#else
// Unsupported, but no need to throw a fit
#define format_(archetype, str_index, first_arg)
#define attr_(...)
// This seems to generate similar code to __builtin_unreachable, despite different semantics
// Note that executing this is undefined behavior (declared [[noreturn]], but does return)
[[noreturn]] static inline void unreachable_() {

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@@ -59,10 +59,11 @@ struct FileStackNode {
std::string const &dump(uint32_t curLineNo) const;
};
void warning(FileStackNode const *where, uint32_t lineNo, char const *fmt, ...)
format_(printf, 3, 4);
void error(FileStackNode const *where, uint32_t lineNo, char const *fmt, ...) format_(printf, 3, 4);
[[noreturn]] void fatal(FileStackNode const *where, uint32_t lineNo, char const *fmt, ...)
format_(printf, 3, 4);
[[gnu::format(printf, 3, 4)]] void
warning(FileStackNode const *where, uint32_t lineNo, char const *fmt, ...);
[[gnu::format(printf, 3, 4)]] void
error(FileStackNode const *where, uint32_t lineNo, char const *fmt, ...);
[[gnu::format(printf, 3, 4), noreturn]] void
fatal(FileStackNode const *where, uint32_t lineNo, char const *fmt, ...);
#endif // RGBDS_LINK_MAIN_H