1 files changed, 5 insertions, 0 deletions
diff --git a/lpvm.h b/lpvm.h
index 576429f..9fde967 100644
--- a/lpvm.h
+++ b/lpvm.h
@@ -17,6 +17,7 @@ typedef enum Opcode {
  ITestChar,  /* if char != aux, jump to 'offset' */
  ITestSet,  /* if char not in buff, jump to 'offset' */
  ISpan,  /* read a span of chars in buff */
+  IUTFR,  /* if codepoint not in range [offset, utf_to], fail */
  IBehind,  /* walk back 'aux' characters (fail if not possible) */
  IRet,  /* return from a rule */
  IEnd,  /* end of pattern */
@@ -50,6 +51,10 @@ typedef union Instruction {
 } Instruction;
+/* extract 24-bit value from an instruction */
+#define utf_to(inst)    (((inst)->i.key << 8) | (inst)->i.aux)
 void printpatt (Instruction *p, int n);
 const char *match (lua_State *L, const char *o, const char *s, const char *e,
                   Instruction *op, Capture *capture, int ptop);