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Fix MSVC build. FormatError -> FormatMessage to avoid ambiguity.

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This commit is contained in:
Victor Zverovich 2014-06-28 12:49:51 -07:00
parent 5aa36285b1
commit 4f4e6c965f
2 changed files with 15 additions and 14 deletions
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15
format.h
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@ -2184,7 +2184,8 @@ inline void FormatDec(char *&buffer, T value) {
#define FMT_RSEQ_N() 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
#define FMT_CONCAT(a, b) a##b
#define FMT_FOR_EACH_(N, f, ...) FMT_CONCAT(FMT_FOR_EACH, N)(f, __VA_ARGS__)
#define FMT_FOR_EACH_(N, f, ...) \
FMT_EXPAND(FMT_CONCAT(FMT_FOR_EACH, N)(f, __VA_ARGS__))
#define FMT_FOR_EACH(f, ...) \
FMT_EXPAND(FMT_FOR_EACH_(FMT_NARG(__VA_ARGS__), f, __VA_ARGS__))
@ -2194,26 +2195,26 @@ inline void FormatDec(char *&buffer, T value) {
// Defines a wrapper for a function taking __VA_ARGS__ arguments
// and n additional arguments of arbitrary types.
# define FMT_WRAP(return_type, func, n, ...) FMT_EXPAND( \
# define FMT_WRAP(return_type, func, n, ...) \
template <FMT_GEN(n, FMT_MAKE_TEMPLATE_ARG)> \
inline return_type func(FMT_FOR_EACH(FMT_ADD_ARG_NAME, __VA_ARGS__), \
FMT_GEN(n, FMT_MAKE_ARG)) { \
const fmt::internal::ArgInfo args[] = {FMT_GEN(n, FMT_MAKE_REF)}; \
return func(FMT_FOR_EACH(FMT_GET_ARG_NAME, __VA_ARGS__), \
fmt::ArgList(args, sizeof(args) / sizeof(*args))); \
})
}
// Defines a variadic function with the specified return type and argument
// types passed as variable arguments.
// Example:
// std::string FormatError(int error_code, const char *format,
// const fmt::ArgList &args) {
// std::string FormatMessage(const char *format, int id,
// const fmt::ArgList &args) {
// fmt::Writer w;
// w.format("Error {}: ", error_code);
// w.format("[{}] ", id);
// w.format(format, args);
// return w.str();
// }
// FMT_VARIADIC(std::string, FormatError, int, const char *)
// FMT_VARIADIC(std::string, FormatMessage, int, const char *)
#define FMT_VARIADIC(return_type, func, ...) \
inline return_type func(FMT_FOR_EACH(FMT_ADD_ARG_NAME, __VA_ARGS__)) { \
return func(FMT_FOR_EACH(FMT_GET_ARG_NAME, __VA_ARGS__), \

14
test/format-test.cc
View File

@ -1677,17 +1677,17 @@ TEST(FormatTest, VariadicMacro) {
EXPECT_EQ("42 abc 1.2", test(42, " {} {}", "abc", 1.2));
}
std::string FormatError(int error_code, const char *format,
std::string FormatMessage(const char *format, int id,
const fmt::ArgList &args) {
fmt::Writer w;
w.format("Error {}: ", error_code);
w.format("[{}] ", id);
w.format(format, args);
return w.str();
}
FMT_VARIADIC(std::string, FormatError, int, const char *)
FMT_VARIADIC(std::string, FormatMessage, int, const char *)
TEST(FormatTest, FormatError) {
EXPECT_EQ("Error 42: something happened",
FormatError(42, "{} happened", "something"));
}
TEST(FormatTest, FormatMessageExample) {
EXPECT_EQ("[42] something happened",
MyFormatError(42, "{} happened", "something"));
}