TB print hello world

user/tb/interp.h

@@ -0,0 +1,37 @@
+#ifndef TB_INTERP_H_
+#define TB_INTERP_H_
+
+#include <stddef.h>
+#include <stdbool.h>
+#include "runtime.h"
+
+#define INTERP_ERRMSG_BUF_MAX (2048)
+
+typedef struct {
+  char errmsg[INTERP_ERRMSG_BUF_MAX];
+} InterpResult;
+
+typedef struct Token {
+  struct Token *next;
+  const char *ptr;
+  size_t len;
+
+  enum {
+    TOK_STRING,
+    TOK_CMD,
+  } type;
+
+  struct RtCmd *cmd;
+} Token;
+
+typedef struct {
+  const char *str;
+  size_t len;
+  size_t pos;
+
+  Token *tokens;
+} Tokenizer;
+
+bool interp_runstring(const char *string, size_t len, InterpResult **res);
+
+#endif // TB_INTERP_H_