WIP restart of lib

parser/nsrc/unicode.h

@@ -0,0 +1,32 @@
+#ifndef TREE_SITTER_UNICODE_H_
+#define TREE_SITTER_UNICODE_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <limits.h>
+#include <stdint.h>
+
+#define U_EXPORT
+#define U_EXPORT2
+
+	static const int32_t TS_DECODE_ERROR = -1;
+
+	// These functions read one unicode code point from the given string,
+	// returning the number of bytes consumed.
+	typedef uint32_t (*UnicodeDecodeFunction)(const uint8_t *string, uint32_t length, int32_t *code_point);
+
+	static inline uint32_t ts_decode_ascii(const uint8_t *string, uint32_t length, int32_t *code_point)
+	{
+		if (length >= 1 && string[0] <= 127)
+			return (*code_point = string[0], 1);
+		return (0);
+	}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // TREE_SITTER_UNICODE_H_