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added structure for local-variable information to allow extra

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checkings if needed
This commit is contained in:
Roberto Ierusalimschy
2008-05-08 12:44:51 -03:00
parent 24359ae294
commit 198be23f36
2 changed files with 14 additions and 7 deletions
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7
lparser.c
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@@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 2.56 2007/10/25 16:45:47 roberto Exp roberto $
** $Id: lparser.c,v 2.57 2008/04/02 17:19:22 roberto Exp roberto $
** Lua Parser
** See Copyright Notice in lua.h
*/
@@ -29,7 +29,7 @@
#define hasmultret(k) ((k) == VCALL || (k) == VVARARG)
#define getlocvar(fs, i) ((fs)->f->locvars[(fs)->actvar[i]])
#define getlocvar(fs, i) ((fs)->f->locvars[(fs)->actvar[i].idx])
#define luaY_checklimit(fs,v,l,m) if ((v)>(l)) errorlimit(fs,l,m)
@@ -161,8 +161,9 @@ static int registerlocalvar (LexState *ls, TString *varname) {
static void new_localvar (LexState *ls, TString *name, int n) {
FuncState *fs = ls->fs;
int reg = registerlocalvar(ls, name);
luaY_checklimit(fs, fs->nactvar+n+1, LUAI_MAXVARS, "local variables");
fs->actvar[fs->nactvar+n] = cast(unsigned short, registerlocalvar(ls, name));
fs->actvar[fs->nactvar+n].idx = cast(unsigned short, reg);
}