Flatten and compress in-memory debug info (saves ~70%).

1 files changed, 7 insertions, 0 deletions

diff --git a/src/lj_lex.h b/src/lj_lex.h
index 0718f5a6..78a7e1a9 100644
--- a/src/lj_lex.h
+++ b/src/lj_lex.h
@@ -38,6 +38,13 @@ typedef struct BCInsLine {
   BCLine line;          /* Line number for this bytecode. */
 } BCInsLine;
 
+/* Info for local variables. Only used during bytecode generation. */
+typedef struct VarInfo {
+  GCRef name;           /* Local variable name. */
+  BCPos startpc;        /* First point where the local variable is active. */
+  BCPos endpc;          /* First point where the local variable is dead. */
+} VarInfo;
+
 /* Lua lexer state. */
 typedef struct LexState {
   struct FuncState *fs; /* Current FuncState. Defined in lj_parse.c. */