Redesign of prototype generation, part 1: varinfo and uvname.

Use a growable, per-chunk variable stack.
Collect varinfo/uvname for prototype at the end.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/lj_lex.h b/src/lj_lex.h
index cc5d5a9f..ee183b40 100644
--- a/src/lj_lex.h
+++ b/src/lj_lex.h
@@ -50,10 +50,14 @@ typedef struct LexState {
   BCLine lastline;      /* Line of last token. */
   GCstr *chunkname;     /* Current chunk name (interned string). */
   const char *chunkarg; /* Chunk name argument. */
+  VarInfo *vstack;      /* Stack for names and extents of local variables. */
+  MSize sizevstack;     /* Size of variable stack. */
+  MSize vtop;           /* Top of variable stack. */
   uint32_t level;       /* Syntactical nesting level. */
 } LexState;
 
-LJ_FUNC void lj_lex_start(lua_State *L, LexState *ls);
+LJ_FUNC void lj_lex_setup(lua_State *L, LexState *ls);
+LJ_FUNC void lj_lex_cleanup(lua_State *L, LexState *ls);
 LJ_FUNC void lj_lex_next(LexState *ls);
 LJ_FUNC LexToken lj_lex_lookahead(LexState *ls);
 LJ_FUNC const char *lj_lex_token2str(LexState *ls, LexToken token);