Reorganize repo, add rust CLI and binding code,

lib/src/alloc.h

@@ -0,0 +1,85 @@
+#ifndef RUNTIME_ALLOC_H_
+#define RUNTIME_ALLOC_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#if defined(TREE_SITTER_TEST)
+
+void *ts_record_malloc(size_t);
+void *ts_record_calloc(size_t, size_t);
+void *ts_record_realloc(void *, size_t);
+void ts_record_free(void *);
+bool ts_record_allocations_toggle(bool);
+
+static inline void *ts_malloc(size_t size) {
+  return ts_record_malloc(size);
+}
+
+static inline void *ts_calloc(size_t count, size_t size) {
+  return ts_record_calloc(count, size);
+}
+
+static inline void *ts_realloc(void *buffer, size_t size) {
+  return ts_record_realloc(buffer, size);
+}
+
+static inline void ts_free(void *buffer) {
+  ts_record_free(buffer);
+}
+
+static inline bool ts_toggle_allocation_recording(bool value) {
+  return ts_record_allocations_toggle(value);
+}
+
+#else
+
+#include <stdlib.h>
+
+static inline bool ts_toggle_allocation_recording(bool value) {
+  return false;
+}
+
+static inline void *ts_malloc(size_t size) {
+  void *result = malloc(size);
+  if (size > 0 && !result) {
+    fprintf(stderr, "tree-sitter failed to allocate %lu bytes", size);
+    exit(1);
+  }
+  return result;
+}
+
+static inline void *ts_calloc(size_t count, size_t size) {
+  void *result = calloc(count, size);
+  if (count > 0 && !result) {
+    fprintf(stderr, "tree-sitter failed to allocate %lu bytes", count * size);
+    exit(1);
+  }
+  return result;
+}
+
+static inline void *ts_realloc(void *buffer, size_t size) {
+  void *result = realloc(buffer, size);
+  if (size > 0 && !result) {
+    fprintf(stderr, "tree-sitter failed to reallocate %lu bytes", size);
+    exit(1);
+  }
+  return result;
+}
+
+static inline void ts_free(void *buffer) {
+  free(buffer);
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // RUNTIME_ALLOC_H_