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Summary:
Error reporting in DebugInfoDWARF library currently done in three ways :
1. Direct calls to WithColor::error()/WithColor::warning()
2. ErrorPolicy defaultErrorHandler(Error E);
3. void dumpWarning(Error Warning);
additionally, other locations could have more variations:
lld/ELF/SyntheticSection.cpp
if (Error e = cu->tryExtractDIEsIfNeeded(false)) {
error(toString(sec) + ": " + toString(std::move(e)));
DebugInfo/DWARF/DWARFUnit.cpp
if (Error e = tryExtractDIEsIfNeeded(CUDieOnly))
WithColor::error() << toString(std::move(e));
Thus error reporting could look inconsistent. To have a consistent error
messages it is necessary to have a possibility to redefine error
reporting functions. This patch creates two handlers and allows to
redefine them. It also patches all places inside DebugInfoDWARF
to use these handlers.
The intention is always to use following handlers for error reporting
purposes inside DebugInfoDWARF:
DebugInfo/DWARF/DWARFContext.h
std::function<void(Error E)> RecoverableErrorHandler = WithColor::defaultErrorHandler;
std::function<void(Error E)> WarningHandler = WithColor::defaultWarningHandler;
This is last patch from series of patches: D74481, D74635, D75118.
Reviewers: jhenderson, dblaikie, probinson, aprantl, JDevlieghere
Reviewed By: jhenderson
Subscribers: grimar, hiraditya, llvm-commits
Tags: #llvm, #debug-info
Differential Revision: https://reviews.llvm.org/D74308
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