re_match: byte-match functions with the game's compiler (Visual C++ 2003)

Runs R:/Workspace/Tools/re/match71.py for up to 50 addresses from main or
an agent's worktree; configured by matcher/match_flags in [reverse].

tests/test_reverse.py

@@ -136,3 +136,17 @@ class DebuggerForwarder(unittest.TestCase):
             d.close()
         with self.assertRaises(HarborError):
             Debugger({})
+
+
+class MatchFunctions(unittest.TestCase):
+    def test_runs_the_matcher_and_reads_its_results(self):
+        from pathlib import Path
+        from harbor.reverse import match_functions
+        config = {"matcher": str(Path(__file__).with_name("fake_matcher.py")), "match_flags": "-TC -O2"}
+        res = match_functions(config, "0x412F70, 0x404810")
+        self.assertEqual([r["address"] for r in res["results"]], ["0x412F70", "0x404810"])
+        self.assertIn("-TC -O2", res["summary"])
+        with self.assertRaises(HarborError):
+            match_functions(config, "")
+        with self.assertRaises(HarborError):
+            match_functions({}, "0x412F70")