Martin Vogel ef054ebd4e perf(lsp): C/C++ Tier 2 — pre-built per-language cross-LSP registry ...

Brings C/C++/CUDA to Go's optimization level. Extracts the cross-LSP
registration loop into c_register_lsp_defs (shared by per-file and
Tier 2 paths), adds:
  cbm_c_build_cross_registry  — builds ONE project-wide registry from
    all C-family defs (filters by lang) + both C and C++ stdlibs,
    finalized, shared READ-ONLY across resolve workers.
  cbm_run_c_lsp_cross_with_registry — per-file resolve using the
    shared registry; no per-file registry rebuild.

C cross-LSP is DEF-DRIVEN (fields/returns/embeds come from the def
strings, no per-file AST field collection), so the shared registry
produces identical resolution to the per-file build — zero quality
loss. resolve_worker dispatches CBM_LANG_C/CPP/CUDA to the new path;
pipeline.c builds cross_registries.c; pass_lsp_cross.h includes c_lsp.h.

postgres bench (4,967 files, ADVANCED mode): 628 C files share one
pre-built registry (lsp_cross_prepare=17ms, zero slow files), 44 LSP
overrides, +9 edges vs FULL. All 200 test_c_lsp tests pass. No
SEGV/ASan. Total pipeline overhead vs FULL: +5.2%.

2026-05-26 16:49:12 +02:00

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cbm

perf(lsp): C/C++ Tier 2 — pre-built per-language cross-LSP registry

2026-05-26 16:49:12 +02:00