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Fix #14959 (Warning hash for token-based warnings) - #8778
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Pull request overview
This PR introduces deterministic “warning hash” generation for token-based warnings by computing and emitting a hash attribute in XML output, and updates build dependencies and CLI tests accordingly.
Changes:
- Compute and store a warning hash from token callstacks/error paths in
ErrorMessage. - Emit the
hashattribute in XML output and update CLI XML-output expectations. - Update Makefile dependency lists to reflect new header usage.
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| test/cli/other_test.py | Updates expected XML output to include the new hash attribute. |
| oss-fuzz/Makefile | Adds missing header dependencies for errorlogger.o in the OSS-Fuzz build. |
| Makefile | Adds missing header dependencies for errorlogger.o in the main build. |
| lib/errorlogger.h | Declares ErrorMessage::calculateWarningHash helper. |
| lib/errorlogger.cpp | Implements warning hash computation and wires it into relevant constructors. |
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| // hash algorithm: sdbm | ||
| // any hash algorithm can be used but it has to be the same hash on different platforms and compilers | ||
| hash = std::accumulate(hashString.cbegin(), hashString.cend(), 0, [](std::size_t hash, char c) { | ||
| return static_cast<unsigned char>(c) + (hash << 6) + (hash << 16) - hash; | ||
| }); |
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