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Common/MsgHandler: Add compile-time format string checks

This commit is contained in:
Léo Lam 2020-11-19 12:56:46 +01:00
parent 62eeb05519
commit dde6090e98
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GPG Key ID: 0DF30F9081000741
1 changed files with 26 additions and 12 deletions
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38
Source/Core/Common/MsgHandler.h
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@ -4,11 +4,14 @@
#pragma once
#include <cstdint>
#include <string>
#include <utility>
#include <fmt/format.h>
#include "Common/FormatUtil.h"
namespace Common
{
// Message alerts
@ -37,9 +40,12 @@ bool MsgAlert(bool yes_no, MsgType style, const char* format, ...)
bool MsgAlertFmtImpl(bool yes_no, MsgType style, fmt::string_view format,
const fmt::format_args& args);
template <typename... Args>
bool MsgAlertFmt(bool yes_no, MsgType style, fmt::string_view format, const Args&... args)
template <std::size_t NumFields, typename S, typename... Args>
bool MsgAlertFmt(bool yes_no, MsgType style, const S& format, const Args&... args)
{
static_assert(NumFields == sizeof...(args),
"Unexpected number of replacement fields in format string; did you pass too few or "
"too many arguments?");
return MsgAlertFmtImpl(yes_no, style, format, fmt::make_args_checked<Args...>(format, args...));
}
@ -88,33 +94,41 @@ std::string FmtFormatT(const char* string, Args&&... args)
// Fmt-capable variants of the macros
#define GenericAlertFmt(yes_no, style, format, ...) \
[&] { \
/* Use a macro-like name to avoid shadowing warnings */ \
constexpr auto GENERIC_ALERT_FMT_N = Common::CountFmtReplacementFields(format); \
return Common::MsgAlertFmt<GENERIC_ALERT_FMT_N>(yes_no, style, FMT_STRING(format), \
##__VA_ARGS__); \
}()
#define SuccessAlertFmt(format, ...) \
Common::MsgAlertFmt(false, Common::MsgType::Information, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(false, Common::MsgType::Information, format, ##__VA_ARGS__)
#define PanicAlertFmt(format, ...) \
Common::MsgAlertFmt(false, Common::MsgType::Warning, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(false, Common::MsgType::Warning, format, ##__VA_ARGS__)
#define PanicYesNoFmt(format, ...) \
Common::MsgAlertFmt(true, Common::MsgType::Warning, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(true, Common::MsgType::Warning, format, ##__VA_ARGS__)
#define AskYesNoFmt(format, ...) \
Common::MsgAlertFmt(true, Common::MsgType::Question, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(true, Common::MsgType::Question, format, ##__VA_ARGS__)
#define CriticalAlertFmt(format, ...) \
Common::MsgAlertFmt(false, Common::MsgType::Critical, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(false, Common::MsgType::Critical, format, ##__VA_ARGS__)
// Use these macros (that do the same thing) if the message should be translated.
#define SuccessAlertFmtT(format, ...) \
Common::MsgAlertFmt(false, Common::MsgType::Information, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(false, Common::MsgType::Information, format, ##__VA_ARGS__)
#define PanicAlertFmtT(format, ...) \
Common::MsgAlertFmt(false, Common::MsgType::Warning, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(false, Common::MsgType::Warning, format, ##__VA_ARGS__)
#define PanicYesNoFmtT(format, ...) \
Common::MsgAlertFmt(true, Common::MsgType::Warning, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(true, Common::MsgType::Warning, format, ##__VA_ARGS__)
#define AskYesNoFmtT(format, ...) \
Common::MsgAlertFmt(true, Common::MsgType::Question, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(true, Common::MsgType::Question, format, ##__VA_ARGS__)
#define CriticalAlertFmtT(format, ...) \
Common::MsgAlertFmt(false, Common::MsgType::Critical, FMT_STRING(format), ##__VA_ARGS__)
GenericAlertFmt(false, Common::MsgType::Critical, format, ##__VA_ARGS__)