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Upgrading to Lua 5.2.1. (Should be harmless upgrade, bug-fix only.)
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@@ -1,5 +1,5 @@
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/*
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** $Id: llex.c,v 2.59 2011/11/30 12:43:51 roberto Exp $
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** $Id: llex.c,v 2.61 2012/01/23 23:05:51 roberto Exp $
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** Lexical Analyzer
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** See Copyright Notice in lua.h
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*/
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@@ -67,7 +67,7 @@ void luaX_init (lua_State *L) {
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for (i=0; i<NUM_RESERVED; i++) {
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TString *ts = luaS_new(L, luaX_tokens[i]);
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luaS_fix(ts); /* reserved words are never collected */
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ts->tsv.reserved = cast_byte(i+1); /* reserved word */
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ts->tsv.extra = cast_byte(i+1); /* reserved word */
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}
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}
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@@ -222,13 +222,24 @@ static void trydecpoint (LexState *ls, SemInfo *seminfo) {
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/* LUA_NUMBER */
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/*
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** this function is quite liberal in what it accepts, as 'luaO_str2d'
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** will reject ill-formed numerals.
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*/
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static void read_numeral (LexState *ls, SemInfo *seminfo) {
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const char *expo = "Ee";
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int first = ls->current;
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lua_assert(lisdigit(ls->current));
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do {
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save_and_next(ls);
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if (check_next(ls, "EePp")) /* exponent part? */
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save_and_next(ls);
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if (first == '0' && check_next(ls, "Xx")) /* hexadecimal? */
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expo = "Pp";
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for (;;) {
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if (check_next(ls, expo)) /* exponent part? */
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check_next(ls, "+-"); /* optional exponent sign */
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} while (lislalnum(ls->current) || ls->current == '.');
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if (lisxdigit(ls->current) || ls->current == '.')
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save_and_next(ls);
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else break;
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}
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save(ls, '\0');
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buffreplace(ls, '.', ls->decpoint); /* follow locale for decimal point */
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if (!buff2d(ls->buff, &seminfo->r)) /* format error? */
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@@ -480,8 +491,8 @@ static int llex (LexState *ls, SemInfo *seminfo) {
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ts = luaX_newstring(ls, luaZ_buffer(ls->buff),
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luaZ_bufflen(ls->buff));
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seminfo->ts = ts;
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if (ts->tsv.reserved > 0) /* reserved word? */
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return ts->tsv.reserved - 1 + FIRST_RESERVED;
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if (isreserved(ts)) /* reserved word? */
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return ts->tsv.extra - 1 + FIRST_RESERVED;
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else {
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return TK_NAME;
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}
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