Add error bundle support to `translate-c`, unify `cmdTranslateC` and `cImport`#25495

Merged

andrewrk merged 6 commits intoziglang:masterfrom

kcbanner:fixup_translate_c

Oct 11, 2025

Commits on Oct 9, 2025

- Rework translate-c to integrate with the build system (by outputing error bundles on stdout) via --zig-integration
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- aro: fixup `toErrorBundle` not emitting the last error if it was followed by .off or .warning
kcbanner
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- Move aroDiagnosticsToErrorBundle to compiler/util.zig
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- Rework common translate-c and cImport logic into `Compilation.translateC`
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- aroDiagnosticsToErrorBundle: fixup not clearing notes after flushing the current error
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- Output error messages for fatal translate-c errors
kcbanner
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