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Fixed bug #81 (Doesn't compile on OS X under gcc-4.9 )

This commit is contained in:
gabime 2015-04-26 23:38:43 +03:00
parent 9600028521
commit 2269f4d9f8
2 changed files with 2535 additions and 2746 deletions
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210
include/spdlog/details/format.cc
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@ -1,7 +1,7 @@
/*
Formatting library for C++
Copyright (c) 2012 - 2014, Victor Zverovich
Copyright (c) 2012 - 2015, Victor Zverovich
All rights reserved.
Redistribution and use in source and binary forms, with or without
@ -66,10 +66,8 @@ using fmt::internal::Arg;
#ifndef FMT_THROW
# if FMT_EXCEPTIONS
# define FMT_THROW(x) throw x
# define FMT_RETURN_AFTER_THROW(x)
# else
# define FMT_THROW(x) assert(false)
# define FMT_RETURN_AFTER_THROW(x) return x
# endif
#endif
@ -83,8 +81,20 @@ using fmt::internal::Arg;
# pragma warning(push)
# pragma warning(disable: 4127) // conditional expression is constant
# pragma warning(disable: 4702) // unreachable code
// Disable deprecation warning for strerror. The latter is not called but
// MSVC fails to detect it.
# pragma warning(disable: 4996)
#endif
// Dummy implementations of strerror_r and strerror_s called if corresponding
// system functions are not available.
static inline fmt::internal::None<> strerror_r(int, char *, ...) {
return fmt::internal::None<>();
}
static inline fmt::internal::None<> strerror_s(char *, std::size_t, ...) {
return fmt::internal::None<>();
}
namespace {
#ifndef _MSC_VER
@ -100,6 +110,12 @@ inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
# define FMT_SNPRINTF fmt_snprintf
#endif // _MSC_VER
#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
# define FMT_SWPRINTF snwprintf
#else
# define FMT_SWPRINTF swprintf
#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned>
@ -135,35 +151,57 @@ typedef void(*FormatFunc)(fmt::Writer &, int, fmt::StringRef);
int safe_strerror(
int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT {
assert(buffer != 0 && buffer_size != 0);
int result = 0;
#if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE) || __ANDROID__
// XSI-compliant version of strerror_r.
result = strerror_r(error_code, buffer, buffer_size);
if (result != 0)
result = errno;
#elif _GNU_SOURCE
// GNU-specific version of strerror_r.
char *message = strerror_r(error_code, buffer, buffer_size);
class StrError {
private:
int error_code_;
char *&buffer_;
std::size_t buffer_size_;
// A noop assignment operator to avoid bogus warnings.
void operator=(const StrError &) {}
// Handle the result of XSI-compliant version of strerror_r.
int handle(int result) {
// glibc versions before 2.13 return result in errno.
return result == -1 ? errno : result;
}
// Handle the result of GNU-specific version of strerror_r.
int handle(char *message) {
// If the buffer is full then the message is probably truncated.
if (message == buffer && strlen(buffer) == buffer_size - 1)
result = ERANGE;
buffer = message;
#elif __MINGW32__
if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
return ERANGE;
buffer_ = message;
return 0;
}
// Handle the case when strerror_r is not available.
int handle(fmt::internal::None<>) {
return fallback(strerror_s(buffer_, buffer_size_, error_code_));
}
// Fallback to strerror_s when strerror_r is not available.
int fallback(int result) {
// If the buffer is full then the message is probably truncated.
return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
ERANGE : result;
}
// Fallback to strerror if strerror_r and strerror_s are not available.
int fallback(fmt::internal::None<>) {
errno = 0;
(void)buffer_size;
buffer = strerror(error_code);
result = errno;
#elif _WIN32
result = strerror_s(buffer, buffer_size, error_code);
// If the buffer is full then the message is probably truncated.
if (result == 0 && std::strlen(buffer) == buffer_size - 1)
result = ERANGE;
#else
result = strerror_r(error_code, buffer, buffer_size);
if (result == -1)
result = errno; // glibc versions before 2.13 return result in errno.
#endif
return result;
buffer_ = strerror(error_code_);
return errno;
}
public:
StrError(int error_code, char *&buffer, std::size_t buffer_size)
: error_code_(error_code), buffer_(buffer), buffer_size_(buffer_size) {}
int run() { return handle(strerror_r(error_code_, buffer_, buffer_size_)); }
};
return StrError(error_code, buffer, buffer_size).run();
}
void format_error_code(fmt::Writer &out, int error_code,
@ -173,14 +211,14 @@ void format_error_code(fmt::Writer &out, int error_code,
// bad_alloc.
out.clear();
static const char SEP[] = ": ";
static const char ERR[] = "error ";
static const char ERROR_STR[] = "error ";
fmt::internal::IntTraits<int>::MainType ec_value = error_code;
// Subtract 2 to account for terminating null characters in SEP and ERR.
std::size_t error_code_size =
sizeof(SEP) + sizeof(ERR) + fmt::internal::count_digits(ec_value) - 2;
// Subtract 2 to account for terminating null characters in SEP and ERROR_STR.
std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
error_code_size += fmt::internal::count_digits(ec_value);
if (message.size() <= fmt::internal::INLINE_BUFFER_SIZE - error_code_size)
out << message << SEP;
out << ERR << error_code;
out << ERROR_STR << error_code;
assert(out.size() <= fmt::internal::INLINE_BUFFER_SIZE);
}
@ -198,9 +236,7 @@ void report_error(FormatFunc func,
class IsZeroInt : public fmt::internal::ArgVisitor<IsZeroInt, bool> {
public:
template <typename T>
bool visit_any_int(T value) {
return value == 0;
}
bool visit_any_int(T value) { return value == 0; }
};
// Parses an unsigned integer advancing s to the end of the parsed input.
@ -253,9 +289,8 @@ private:
public:
explicit WidthHandler(fmt::FormatSpec &spec) : spec_(spec) {}
unsigned visit_unhandled_arg() {
void report_unhandled_arg() {
FMT_THROW(fmt::FormatError("width is not integer"));
FMT_RETURN_AFTER_THROW(0);
}
template <typename T>
@ -275,9 +310,8 @@ public:
class PrecisionHandler :
public fmt::internal::ArgVisitor<PrecisionHandler, int> {
public:
unsigned visit_unhandled_arg() {
void report_unhandled_arg() {
FMT_THROW(fmt::FormatError("precision is not integer"));
FMT_RETURN_AFTER_THROW(0);
}
template <typename T>
@ -310,20 +344,17 @@ public:
if (is_signed) {
arg_.type = Arg::INT;
arg_.int_value = static_cast<int>(static_cast<T>(value));
}
else {
} else {
arg_.type = Arg::UINT;
arg_.uint_value = static_cast<unsigned>(
static_cast<typename fmt::internal::MakeUnsigned<T>::Type>(value));
}
}
else {
} else {
if (is_signed) {
arg_.type = Arg::LONG_LONG;
arg_.long_long_value =
static_cast<typename fmt::internal::MakeUnsigned<U>::Type>(value);
}
else {
} else {
arg_.type = Arg::ULONG_LONG;
arg_.ulong_long_value =
static_cast<typename fmt::internal::MakeUnsigned<U>::Type>(value);
@ -357,15 +388,11 @@ Arg::StringValue<Char> ignore_incompatible_str(Arg::StringValue<wchar_t>);
template <>
inline Arg::StringValue<char> ignore_incompatible_str(
Arg::StringValue<wchar_t>) {
return Arg::StringValue<char>();
}
Arg::StringValue<wchar_t>) { return Arg::StringValue<char>(); }
template <>
inline Arg::StringValue<wchar_t> ignore_incompatible_str(
Arg::StringValue<wchar_t> s) {
return s;
}
Arg::StringValue<wchar_t> s) { return s; }
} // namespace
FMT_FUNC void fmt::SystemError::init(
@ -397,12 +424,12 @@ int fmt::internal::CharTraits<wchar_t>::format_float(
unsigned width, int precision, T value) {
if (width == 0) {
return precision < 0 ?
swprintf(buffer, size, format, value) :
swprintf(buffer, size, format, precision, value);
FMT_SWPRINTF(buffer, size, format, value) :
FMT_SWPRINTF(buffer, size, format, precision, value);
}
return precision < 0 ?
swprintf(buffer, size, format, width, value) :
swprintf(buffer, size, format, width, precision, value);
FMT_SWPRINTF(buffer, size, format, width, value) :
FMT_SWPRINTF(buffer, size, format, width, precision, value);
}
template <typename T>
@ -440,6 +467,7 @@ const uint64_t fmt::internal::BasicData<T>::POWERS_OF_10_64[] = {
};
FMT_FUNC void fmt::internal::report_unknown_type(char code, const char *type) {
(void)type;
if (std::isprint(static_cast<unsigned char>(code))) {
FMT_THROW(fmt::FormatError(
fmt::format("unknown format code '{}' for {}", code, type)));
@ -525,12 +553,8 @@ FMT_FUNC void fmt::internal::format_windows_error(
public:
String() : str_() {}
~String() {
LocalFree(str_);
}
LPWSTR *ptr() {
return &str_;
}
~String() { LocalFree(str_); }
LPWSTR *ptr() { return &str_; }
LPCWSTR c_str() const { return str_; }
};
FMT_TRY {
@ -568,14 +592,10 @@ public:
: formatter_(f), writer_(f.writer()), spec_(s), format_(fmt) {}
template <typename T>
void visit_any_int(T value) {
writer_.write_int(value, spec_);
}
void visit_any_int(T value) { writer_.write_int(value, spec_); }
template <typename T>
void visit_any_double(T value) {
writer_.write_double(value, spec_);
}
void visit_any_double(T value) { writer_.write_double(value, spec_); }
void visit_char(int value) {
if (spec_.type_ && spec_.type_ != 'c') {
@ -597,15 +617,12 @@ public:
if (spec_.align_ == fmt::ALIGN_RIGHT) {
std::fill_n(out, spec_.width_ - 1, fill);
out += spec_.width_ - 1;
}
else if (spec_.align_ == fmt::ALIGN_CENTER) {
} else if (spec_.align_ == fmt::ALIGN_CENTER) {
out = writer_.fill_padding(out, spec_.width_, 1, fill);
}
else {
} else {
std::fill_n(out + 1, spec_.width_ - 1, fill);
}
}
else {
} else {
out = writer_.grow_buffer(1);
}
*out = static_cast<Char>(value);
@ -631,6 +648,11 @@ public:
}
};
template <typename Char>
void fmt::internal::FixedBuffer<Char>::grow(std::size_t) {
FMT_THROW(std::runtime_error("buffer overflow"));
}
template <typename Char>
template <typename StrChar>
void fmt::BasicWriter<Char>::write_str(
@ -720,6 +742,7 @@ void fmt::internal::PrintfFormatter<Char>::parse_flags(
template <typename Char>
Arg fmt::internal::PrintfFormatter<Char>::get_arg(
const Char *s, unsigned arg_index) {
(void)s;
const char *error = 0;
Arg arg = arg_index == UINT_MAX ?
next_arg(error) : FormatterBase::get_arg(arg_index - 1, error);
@ -740,8 +763,7 @@ unsigned fmt::internal::PrintfFormatter<Char>::parse_header(
if (*s == '$') { // value is an argument index
++s;
arg_index = value;
}
else {
} else {
if (c == '0')
spec.fill_ = '0';
if (value != 0) {
@ -756,8 +778,7 @@ unsigned fmt::internal::PrintfFormatter<Char>::parse_header(
// Parse width.
if (*s >= '0' && *s <= '9') {
spec.width_ = parse_nonnegative_int(s);
}
else if (*s == '*') {
} else if (*s == '*') {
++s;
spec.width_ = WidthHandler(spec).visit(get_arg(s));
}
@ -792,8 +813,7 @@ void fmt::internal::PrintfFormatter<Char>::format(
++s;
if ('0' <= *s && *s <= '9') {
spec.precision_ = parse_nonnegative_int(s);
}
else if (*s == '*') {
} else if (*s == '*') {
++s;
spec.precision_ = PrecisionHandler().visit(get_arg(s));
}
@ -848,8 +868,7 @@ void fmt::internal::PrintfFormatter<Char>::format(
if (arg.type <= Arg::LAST_INTEGER_TYPE) {
// Normalize type.
switch (spec.type_) {
case 'i':
case 'u':
case 'i': case 'u':
spec.type_ = 'd';
break;
case 'c':
@ -886,12 +905,10 @@ void fmt::internal::PrintfFormatter<Char>::format(
if (spec.align_ != ALIGN_LEFT) {
std::fill_n(out, spec.width_ - 1, fill);
out += spec.width_ - 1;
}
else {
} else {
std::fill_n(out + 1, spec.width_ - 1, fill);
}
}
else {
} else {
out = writer.grow_buffer(1);
}
*out = static_cast<Char>(arg.int_value);
@ -972,8 +989,7 @@ const Char *fmt::BasicFormatter<Char>::format(
FMT_THROW(FormatError("invalid fill character '{'"));
s += 2;
spec.fill_ = c;
}
else ++s;
} else ++s;
if (spec.align_ == ALIGN_NUMERIC)
require_numeric_argument(arg, '=');
break;
@ -1021,8 +1037,7 @@ const Char *fmt::BasicFormatter<Char>::format(
spec.precision_ = 0;
if ('0' <= *s && *s <= '9') {
spec.precision_ = parse_nonnegative_int(s);
}
else if (*s == '{') {
} else if (*s == '{') {
++s;
const Arg &precision_arg = parse_arg_index(s);
if (*s++ != '}')
@ -1051,8 +1066,7 @@ const Char *fmt::BasicFormatter<Char>::format(
if (value > INT_MAX)
FMT_THROW(FormatError("number is too big"));
spec.precision_ = static_cast<int>(value);
}
else {
} else {
FMT_THROW(FormatError("missing precision specifier"));
}
if (arg.type < Arg::LAST_INTEGER_TYPE || arg.type == Arg::POINTER) {
@ -1141,8 +1155,12 @@ FMT_FUNC int fmt::fprintf(std::FILE *f, StringRef format, ArgList args) {
return std::fwrite(w.data(), 1, size, f) < size ? -1 : static_cast<int>(size);
}
#ifndef FMT_HEADER_ONLY
// Explicit instantiations for char.
template void fmt::internal::FixedBuffer<char>::grow(std::size_t);
template const char *fmt::BasicFormatter<char>::format(
const char *&format_str, const fmt::internal::Arg &arg);
@ -1162,6 +1180,8 @@ template int fmt::internal::CharTraits<char>::format_float(
// Explicit instantiations for wchar_t.
template void fmt::internal::FixedBuffer<wchar_t>::grow(std::size_t);
template const wchar_t *fmt::BasicFormatter<wchar_t>::format(
const wchar_t *&format_str, const fmt::internal::Arg &arg);
@ -1180,6 +1200,8 @@ template int fmt::internal::CharTraits<wchar_t>::format_float(
wchar_t *buffer, std::size_t size, const wchar_t *format,
unsigned width, int precision, long double value);
#endif // FMT_HEADER_ONLY
#if _MSC_VER
# pragma warning(pop)
#endif

1317
include/spdlog/details/format.h
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