================
@@ -17928,43 +17928,70 @@ std::optional<std::string>
Expr::tryEvaluateString(ASTContext &Ctx) const {
return {};
}
-bool Expr::EvaluateCharRangeAsString(std::string &Result,
- const Expr *SizeExpression,
- const Expr *PtrExpression, ASTContext
&Ctx,
- EvalResult &Status) const {
- LValue String;
- EvalInfo Info(Ctx, Status, EvalInfo::EM_ConstantExpression);
- Info.InConstantContext = true;
+template <typename T>
+static bool EvaluateCharRangeAsStringImpl(const Expr*, T& Result,
+ const Expr *SizeExpression,
+ const Expr *PtrExpression,
ASTContext &Ctx,
+ Expr::EvalResult &Status) {
+ LValue String;
+ EvalInfo Info(Ctx, Status, EvalInfo::EM_ConstantExpression);
+ Info.InConstantContext = true;
- FullExpressionRAII Scope(Info);
- APSInt SizeValue;
- if (!::EvaluateInteger(SizeExpression, SizeValue, Info))
- return false;
+ FullExpressionRAII Scope(Info);
+ APSInt SizeValue;
+ if (!::EvaluateInteger(SizeExpression, SizeValue, Info))
+ return false;
- uint64_t Size = SizeValue.getZExtValue();
+ uint64_t Size = SizeValue.getZExtValue();
- if (!::EvaluatePointer(PtrExpression, String, Info))
- return false;
+ if constexpr(std::is_same_v<APValue, T>)
+ Result = APValue(APValue::UninitArray{}, Size, Size);
+ //else
----------------
erichkeane wrote:
Eh?
https://github.com/llvm/llvm-project/pull/131003
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