static void forstat (LexState *ls, int line) { /* forstat -> FOR (fornum | forlist) END */ FuncState *fs = GetCurrentFuncState( ls ); TString *varname; BlockCnt bl; enterblock(fs, &bl, 1); /* scope for loop and control variables */ luaX_next(ls); /* skip `for' */ varname = str_checkname(ls); /* first variable name */ switch (ls->t.token) { case '=': fornum(ls, varname, line); break; case ',': case TK_IN: forlist(ls, varname); break; default: luaX_syntaxerror(ls, LUA_QL("=") " or " LUA_QL("in") " expected"); break; } check_match(ls, TK_END, TK_FOR, line); leaveblock(fs); /* loop scope (`break' jumps to this point) */ }
static void forstat (LexState *ls, int line) { /* forstat -> fornum | forlist */ FuncState *fs = ls->fs; TString *varname; BlockCnt bl; enterblock(fs, &bl, 0); /* block to control variable scope */ next(ls); /* skip `for' */ varname = str_checkname(ls); /* first variable name */ switch (ls->t.token) { case '=': fornum(ls, varname, line); break; case ',': case TK_IN: forlist(ls, varname); break; default: luaX_syntaxerror(ls, "`=' or `in' expected"); } check_match(ls, TK_END, TK_FOR, line); leaveblock(fs); }