Gabriel B. has uploaded this change for review. ( https://gem5-review.googlesource.com/c/public/gem5/+/71840?usp=email ) Change subject: base: Add Printer util class to force use of operator<< helpers ...................................................................... base: Add Printer util class to force use of operator<< helpers Wrapping any value in a Printer instance before using operator<< will force the use of stl_helpers::operator<<. Change-Id: I7b505194eeabc3e0721effd9b5ce98f9e151b807 --- M src/base/stl_helpers/ostream_helpers.hh 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/src/base/stl_helpers/ostream_helpers.hh b/src/base/stl_helpers/ostream_helpers.hh index cee5fc0..d562a4d 100644 --- a/src/base/stl_helpers/ostream_helpers.hh +++ b/src/base/stl_helpers/ostream_helpers.hh @@ -41,6 +41,19 @@ namespace gem5::stl_helpers { +/* + * Wrap any object in a Printer object to force using a opExtract_impl printing + * function. This is not required for types that do not already enable + * operator<< in another namespace. However, to enable the special printing + * function for, e.g., raw pointers, those must be wrapped in a Printer. + */ +template<typename T> +struct Printer +{ + Printer(const T& value): value{value} {} + const T& value; +}; + namespace opExtract_impl { @@ -128,6 +141,13 @@ return opExtractPrimDisp(os, p.get()); } +template <typename T> +std::ostream& +opExtractPrimDisp(std::ostream& os, const Printer<T>& p) +{ + return opExtractSecDisp(os, p.value); +} + template <typename, typename = void> constexpr bool isOpExtractNativelySupported = false; @@ -179,7 +199,8 @@ } // namespace opExtract_impl -// Add "using stl_helpers::operator<<" in the scope where you want to use it. +// use the Printer wrapper or add "using stl_helpers::operator<<" in the scope +// where you want to use that operator<<. template<typename T> std::enable_if_t<opExtract_impl::needsDispatch<T>, std::ostream&> operator<<(std::ostream& os, const T& v) -- To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/71840?usp=email To unsubscribe, or for help writing mail filters, visit https://gem5-review.googlesource.com/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: public/gem5 Gerrit-Branch: develop Gerrit-Change-Id: I7b505194eeabc3e0721effd9b5ce98f9e151b807 Gerrit-Change-Number: 71840 Gerrit-PatchSet: 1 Gerrit-Owner: Gabriel B. <gabriel.busnot@arteris.com>