1 files changed, 30 insertions, 0 deletions
diff --git a/src/util/ragel/ragel.h b/src/util/ragel/ragel.h
new file mode 100644
index 0000000..b2c7572
--- /dev/null
+++ b/src/util/ragel/ragel.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+struct ragel_mem {
+   const char *data, *end;
+   bool binary; // binary input bit
+};
+
+struct ragel {
+   struct ragel_mem input; // block of input data
+   uint64_t lineno; // current line
+   const char *p, *pe, *eof; // see ragel doc
+   const char *cl; // current line start
+   const char *name; // may be current file name for example
+   bool error; // error thrown bit
+};
+
+__attribute__((format(printf, 2, 3))) void
+ragel_throw_error(struct ragel *ragel, const char *fmt, ...);
+
+void
+ragel_set_name(struct ragel *ragel, const char *name);
+
+void
+ragel_advance_line(struct ragel *ragel);
+
+void
+ragel_feed_input(struct ragel *ragel, const bool eof, const struct ragel_mem *input);