Use tree-feller for DataZinc parsing - #1053
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Parse data files directly from the DataZinc grammar's reduction stream, avoiding construction of a tree-sitter syntax tree for large inputs. Share parser primitives between the tree-sitter and tree-feller lowerers, retain tree-sitter-based diagnostics and MiniZinc fallback handling, and update the differential test harness accordingly. Fetch pinned tree-sitter and tree-feller dependencies through CMake instead of vendoring the tree-sitter runtime.
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Parse data files directly from the DataZinc grammar's reduction stream, avoiding construction of a tree-sitter syntax tree for large inputs.
Share parser primitives between the tree-sitter and tree-feller lowerers, retain tree-sitter-based diagnostics and MiniZinc fallback handling, and update the differential test harness accordingly.
Fetch pinned tree-sitter and tree-feller dependencies through CMake instead of vendoring the tree-sitter runtime.
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