================
@@ -191,6 +191,60 @@ static MarshallingInfo createMarshallingInfo(const Record
&R) {
return Ret;
}
+static void EmitHelpTextsForVariants(
+ raw_ostream &OS, std::vector<std::pair<std::vector<std::string>,
StringRef>>
+ HelpTextsForVariants) {
+ // OptTable must be constexpr so it uses std::arrays with these capacities.
+ const unsigned MaxVisibilityPerHelp = 2;
+ const unsigned MaxVisibilityHelp = 1;
+
+ // This function must initialise any unused elements of those arrays.
+ for (auto [Visibilities, _] : HelpTextsForVariants)
+ while (Visibilities.size() < MaxVisibilityPerHelp)
+ Visibilities.push_back("0");
+
+ while (HelpTextsForVariants.size() < MaxVisibilityHelp)
+ HelpTextsForVariants.push_back(
+ {std::vector<std::string>(MaxVisibilityPerHelp, "0"), ""});
+
+ OS << ", (std::array<std::pair<std::array<unsigned, " << MaxVisibilityPerHelp
+ << ">, const char*>, " << MaxVisibilityHelp << ">{{ ";
+
+ assert(HelpTextsForVariants.size() <= MaxVisibilityHelp &&
+ "Too many help text variants to store in "
+ "OptTable::HelpTextsForVariants");
+
+ for (auto VisibilityHelp = HelpTextsForVariants.cbegin();
+ VisibilityHelp != HelpTextsForVariants.cend(); ++VisibilityHelp) {
----------------
luporl wrote:
Nit: save `HelpTextsForVariants.cend()` in a variable.
https://llvm.org/docs/CodingStandards.html#don-t-evaluate-end-every-time-through-a-loop
https://github.com/llvm/llvm-project/pull/81869
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