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018635074a
Add createCCfgVisitor/createCppCfgVisitor over a shared CCfgWalk core. Grammar introspection confirmed tree-sitter-c and tree-sitter-cpp share every control-flow node type/field, so CppCfgWalk extends CCfgWalk with only the C++-only nodes (try/catch/throw/for_range_loop/lambda) via a visitExtra hook -- no language conditionals (AGENTS no-language-naming). Wire both into c-cpp.ts providers. Harvest (c-cpp-harvest.ts): two-phase binding table + per-statement defs/uses/mayDefs (no sites[] yet -- U6). Edge kinds match the TS contract; functionStartColumn populated; non-terminating loops (for(;;), while(1)) emit the structural exit-escape edge so EXIT stays reverse-reachable and CDG is not silently skipped -- verified against the production post-dominator + control-dependence solvers (for(;;) -> 3 CDG edges). buildFunctionCfg returns undefined rather than throwing. 23 real-parser regression tests; grammar-literal gate green (literals validated against both grammars). Documented gaps: C++ RAII destructors, setjmp/longjmp, computed goto (route to EXIT + warn). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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