================
@@ -0,0 +1,974 @@
+#include "clang/Analysis/Scalable/Serialization/JSONFormat.h"
+#include "clang/Analysis/Scalable/TUSummary/TUSummary.h"
+
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/FormatVariadic.h"
+#include "llvm/Support/JSON.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Registry.h"
+
+using namespace clang::ssaf;
+
+using Array = llvm::json::Array;
+using Object = llvm::json::Object;
+using Value = llvm::json::Value;
+
+//----------------------------------------------------------------------------
+// ErrorBuilder - Fluent API for constructing contextual errors
+//----------------------------------------------------------------------------
+
+namespace {
+
+class ErrorBuilder {
+private:
+ std::error_code Code;
+ std::vector<std::string> ContextStack;
+
+ // Private constructor - only accessible via static factories
+ explicit ErrorBuilder(std::error_code EC) : Code(EC) {}
+
+ // Helper: Format message and add to context stack
+ template <typename... Args>
+ void addFormattedContext(const char *Fmt, Args &&...ArgVals) {
+ std::string Message =
+ llvm::formatv(Fmt, std::forward<Args>(ArgVals)...).str();
+ ContextStack.push_back(std::move(Message));
+ }
+
+public:
+ // Static factory: Create new error from error code and formatted message
+ template <typename... Args>
+ static ErrorBuilder create(std::error_code EC, const char *Fmt,
+ Args &&...ArgVals) {
+ ErrorBuilder Builder(EC);
+ Builder.addFormattedContext(Fmt, std::forward<Args>(ArgVals)...);
+ return Builder;
+ }
+
+ // Convenience overload for std::errc
+ template <typename... Args>
+ static ErrorBuilder create(std::errc EC, const char *Fmt, Args &&...ArgVals)
{
+ return create(std::make_error_code(EC), Fmt,
+ std::forward<Args>(ArgVals)...);
+ }
+
+ // Static factory: Wrap existing error and optionally add context
+ static ErrorBuilder wrap(llvm::Error E) {
+ if (!E) {
+ llvm::consumeError(std::move(E));
+ // Return builder with generic error code for success case
+ return ErrorBuilder(std::make_error_code(std::errc::invalid_argument));
+ }
+
+ std::error_code EC;
+ std::string ErrorMsg;
+
+ llvm::handleAllErrors(std::move(E), [&](const llvm::ErrorInfoBase &EI) {
+ EC = EI.convertToErrorCode();
+ ErrorMsg = EI.message();
+ });
----------------
steakhal wrote:
I was a bit confused reading this.
So we basically drop all the errors and only keep the last one.
I know that we don't really pass/create JoinedErrors, but you also expressed
that this ErrorBuilder utility is generic and covers needs beyond what is
currently used.
So this makes me wonder, shouldn't we also handle the JoinedError case?
https://github.com/llvm/llvm-project/pull/180021
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