WIP restart of lib

parser/nsrc/clock.h

@@ -0,0 +1,41 @@
+#ifndef TREE_SITTER_CLOCK_H_
+#define TREE_SITTER_CLOCK_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef uint64_t TSDuration;
+
+#include <time.h>
+typedef uint64_t TSClock;
+
+static inline TSDuration duration_from_micros(uint64_t micros) {
+  return micros * (uint64_t)CLOCKS_PER_SEC / 1000000;
+}
+
+static inline uint64_t duration_to_micros(TSDuration self) {
+  return self * 1000000 / (uint64_t)CLOCKS_PER_SEC;
+}
+
+static inline TSClock clock_null(void) {
+  return 0;
+}
+
+static inline TSClock clock_now(void) {
+  return (uint64_t)clock();
+}
+
+static inline TSClock clock_after(TSClock base, TSDuration duration) {
+  return base + duration;
+}
+
+static inline bool clock_is_null(TSClock self) {
+  return !self;
+}
+
+static inline bool clock_is_gt(TSClock self, TSClock other) {
+  return self > other;
+}
+
+
+#endif  // TREE_SITTER_CLOCK_H_