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tint: Fix build on windows + cmake 

Change-Id: Id24e6c27a00700123e1677585ff7759c0bbcfe07
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/122523
Commit-Queue: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
This commit is contained in:
Ben Clayton 2023-03-04 00:15:24 +00:00 committed by Dawn LUCI CQ
parent db19adeb51
commit 472815d3c1
1 changed files with 12 additions and 36 deletions
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48
src/tint/utils/string_stream.h
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@ -30,6 +30,16 @@ namespace tint::utils {
/// Stringstream wrapper which automatically resets the locale and sets floating point emission
/// settings needed for Tint.
class StringStream {
using SetWRetTy = decltype(std::setw(std::declval<int>()));
using SetPrecisionRetTy = decltype(std::setprecision(std::declval<int>()));
using SetFillRetTy = decltype(std::setfill(std::declval<char>()));
/// Evaluates to true if `T` is the return type of std::setw, std:setprecision or std::setfill.
template <typename T>
static constexpr bool IsSetType = std::is_same_v<SetWRetTy, std::decay_t<T>> ||
std::is_same_v<SetPrecisionRetTy, std::decay_t<T>> ||
std::is_same_v<SetFillRetTy, std::decay_t<T>>;
public:
/// Constructor
StringStream();
@ -149,12 +159,9 @@ class StringStream {
return *this;
}
/// The callback to emit a `std::hex` to the stream
using StdHex = std::ios_base& (*)(std::ios_base&);
/// @param manipulator the callback to emit too
/// @returns a reference to this
StringStream& operator<<(StdHex manipulator) {
StringStream& operator<<(decltype(std::hex) manipulator) {
// call the function, and return it's value
manipulator(sstream_);
return *this;
@ -162,38 +169,7 @@ class StringStream {
/// @param value the value to emit
/// @returns a reference to this
template <typename T,
typename std::enable_if<std::is_same<decltype(std::setw(std::declval<int>())),
typename std::decay<T>::type>::value,
int>::type = 0>
StringStream& operator<<(T&& value) {
// call the function, and return it's value
sstream_ << std::forward<T>(value);
return *this;
}
// On MSVC the type of `std::setw` and `std::setprecision` are the same. Can't check for
// _MSC_VER because this is also set by clang-cl on windows.
#if defined(__GNUC__) || defined(__clang__)
/// @param value the value to emit
/// @returns a reference to this
template <typename T,
typename std::enable_if<std::is_same<decltype(std::setprecision(std::declval<int>())),
typename std::decay<T>::type>::value,
int>::type = 0>
StringStream& operator<<(T&& value) {
// call the function, and return it's value
sstream_ << std::forward<T>(value);
return *this;
}
#endif // defined(_MSC_VER)
/// @param value the value to emit
/// @returns a reference to this
template <typename T,
typename std::enable_if<std::is_same<decltype(std::setfill(std::declval<char>())),
typename std::decay<T>::type>::value,
char>::type = 0>
template <typename T, typename std::enable_if_t<IsSetType<T>, int> = 0>
StringStream& operator<<(T&& value) {
// call the function, and return it's value
sstream_ << std::forward<T>(value);