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

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Use a growable, per-chunk variable stack.
Collect varinfo/uvname for prototype at the end.
This commit is contained in:
Mike Pall
2010-02-08 05:26:52 +01:00
parent 1307f49137
commit 60b5af4422
6 changed files with 109 additions and 96 deletions
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14
src/lj_lex.c
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@@ -301,12 +301,16 @@ static int llex(LexState *ls, TValue *tv)
/* -- Lexer API ----------------------------------------------------------- */
void lj_lex_start(lua_State *L, LexState *ls)
/* Setup lexer state. */
void lj_lex_setup(lua_State *L, LexState *ls)
{
ls->L = L;
ls->fs = NULL;
ls->n = 0;
ls->p = NULL;
ls->vstack = NULL;
ls->sizevstack = 0;
ls->vtop = 0;
ls->lookahead = TK_eof; /* No look-ahead token. */
ls->linenumber = 1;
ls->lastline = 1;
@@ -335,6 +339,14 @@ void lj_lex_start(lua_State *L, LexState *ls)
ls->chunkname = lj_str_newz(L, ls->chunkarg);
}
/* Cleanup lexer state. */
void lj_lex_cleanup(lua_State *L, LexState *ls)
{
global_State *g = G(L);
lj_mem_freevec(g, ls->vstack, ls->sizevstack, VarInfo);
lj_str_freebuf(g, &ls->sb);
}
void lj_lex_next(LexState *ls)
{
ls->lastline = ls->linenumber;