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update to lua 5.3.1

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Cloud Wu
2015-06-17 22:06:11 +08:00
parent 7fa1d548ed
commit f36b173155
44 changed files with 1149 additions and 976 deletions
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28
3rd/lua/llex.c
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@@ -1,5 +1,5 @@
/*
** $Id: llex.c,v 2.89 2014/11/14 16:06:09 roberto Exp $
** $Id: llex.c,v 2.93 2015/05/22 17:45:56 roberto Exp $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/
@@ -16,6 +16,7 @@
#include "lua.h"
#include "lctype.h"
#include "ldebug.h"
#include "ldo.h"
#include "lgc.h"
#include "llex.h"
@@ -68,7 +69,7 @@ static void save (LexState *ls, int c) {
void luaX_init (lua_State *L) {
int i;
TString *e = luaS_new(L, LUA_ENV); /* create env name */
TString *e = luaS_newliteral(L, LUA_ENV); /* create env name */
luaC_fix(L, obj2gco(e)); /* never collect this name */
for (i=0; i<NUM_RESERVED; i++) {
TString *ts = luaS_new(L, luaX_tokens[i]);
@@ -106,9 +107,7 @@ static const char *txtToken (LexState *ls, int token) {
static l_noret lexerror (LexState *ls, const char *msg, int token) {
char buff[LUA_IDSIZE];
luaO_chunkid(buff, getstr(ls->source), LUA_IDSIZE);
msg = luaO_pushfstring(ls->L, "%s:%d: %s", buff, ls->linenumber, msg);
msg = luaG_addinfo(ls->L, msg, ls->source, ls->linenumber);
if (token)
luaO_pushfstring(ls->L, "%s near %s", msg, txtToken(ls, token));
luaD_throw(ls->L, LUA_ERRSYNTAX);
@@ -172,7 +171,7 @@ void luaX_setinput (lua_State *L, LexState *ls, ZIO *z, TString *source,
ls->linenumber = 1;
ls->lastline = 1;
ls->source = source;
ls->envn = luaS_new(L, LUA_ENV); /* get env name */
ls->envn = luaS_newliteral(L, LUA_ENV); /* get env name */
luaZ_resizebuffer(ls->L, ls->buff, LUA_MINBUFFER); /* initialize buffer */
}
@@ -221,11 +220,6 @@ static void buffreplace (LexState *ls, char from, char to) {
}
#if !defined(l_getlocaledecpoint)
#define l_getlocaledecpoint() (localeconv()->decimal_point[0])
#endif
#define buff2num(b,o) (luaO_str2num(luaZ_buffer(b), o) != 0)
/*
@@ -234,7 +228,7 @@ static void buffreplace (LexState *ls, char from, char to) {
*/
static void trydecpoint (LexState *ls, TValue *o) {
char old = ls->decpoint;
ls->decpoint = l_getlocaledecpoint();
ls->decpoint = lua_getlocaledecpoint();
buffreplace(ls, old, ls->decpoint); /* try new decimal separator */
if (!buff2num(ls->buff, o)) {
/* format error with correct decimal point: no more options */
@@ -283,8 +277,9 @@ static int read_numeral (LexState *ls, SemInfo *seminfo) {
/*
** skip a sequence '[=*[' or ']=*]' and return its number of '='s or
** -1 if sequence is malformed
** skip a sequence '[=*[' or ']=*]'; if sequence is wellformed, return
** its number of '='s; otherwise, return a negative number (-1 iff there
** are no '='s after initial bracket)
*/
static int skip_sep (LexState *ls) {
int count = 0;
@@ -501,8 +496,9 @@ static int llex (LexState *ls, SemInfo *seminfo) {
read_long_string(ls, seminfo, sep);
return TK_STRING;
}
else if (sep == -1) return '[';
else lexerror(ls, "invalid long string delimiter", TK_STRING);
else if (sep != -1) /* '[=...' missing second bracket */
lexerror(ls, "invalid long string delimiter", TK_STRING);
return '[';
}
case '=': {
next(ls);