Fix MSVC compiler errors

cmake/antlr_runtime_compat.h

@@ -0,0 +1,38 @@
+// Force-included into the ANTLR C++ runtime's own build (see CMakeLists.txt).
+//
+// ANTLR 4.13's sources use some standard library facilities (std::chrono in
+// ProfilingATNSimulator.cpp, for one) without including the header that
+// declares them. That only worked because older standard libraries included
+// those headers indirectly; newer Visual C++ versions no longer do, and the
+// build fails with errors like "'high_resolution_clock': is not a class or
+// namespace name". Including them up front is harmless everywhere else.
+#pragma once
+
+#include <cstdio>
+
+#include <algorithm>
+#include <atomic>
+#include <chrono>
+#include <cstddef>
+#include <cstdint>
+#include <cstdlib>
+#include <cstring>
+#include <exception>
+#include <functional>
+#include <iostream>
+#include <iterator>
+#include <limits>
+#include <map>
+#include <memory>
+#include <mutex>
+#include <numeric>
+#include <set>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <thread>
+#include <typeinfo>
+#include <unordered_map>
+#include <unordered_set>
+#include <utility>
+#include <vector>