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Add Lua (.lua) as the 19th supported language with full Tree-sitter grammar support for functions, imports, call sites, and test detection. Lua-specific handling includes: - require() calls extracted as IMPORTS_FROM edges - Variable-assigned anonymous functions (local fn = function() end) - Table-qualified methods via dot syntax (function Tbl.method()) - Table-qualified methods via colon syntax (function Tbl:method()) - Correct parent assignment for metatable-based OOP patterns - Test function detection (test_* pattern) Changes: - parser.py: extension mapping, 4 node-type dicts, Lua constructs handler with 3 sub-handlers, _get_name and _get_call_name branches - tests/fixtures/sample.lua: 139-line fixture covering require imports, top-level/local/anonymous functions, OOP with metatables, inheritance, method calls (dot + colon), and test functions - tests/test_multilang.py: 14 tests in TestLuaParsing - CLAUDE.md, README.md: 18 → 19 languages Full suite: 516 passed, 0 failed. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
.lua) as the 19th supported language with full Tree-sitter grammar supportrequire()imports, metatable-based OOP (dot and colon syntax), and variable-assigned anonymous functionsWhat's extracted
function greet(name)local function helper(x)local fn = function(x) endfunction Animal.new(name)function Animal:speak()local json = require("cjson")print("hello")obj:method()/obj.method()function test_greet()Files changed
code_review_graph/parser.py_extract_lua_constructshandler with 3 sub-handlers,_get_nameand_get_call_namebranchestests/fixtures/sample.luatests/test_multilang.pyTestLuaParsingclass with 14 testsCLAUDE.mdREADME.md