commit 16fd4abaf618fb37ade221cbc64399c519685854
parent f26b85c5b7740d2a185998a155e1323bac86dc13
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 7 Dec 2005 13:33:05 -0200
corrects decimal point to follow current locale
Diffstat:
2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/llex.c b/llex.c
@@ -1,11 +1,12 @@
/*
-** $Id: llex.c,v 2.12 2005/05/17 19:49:15 roberto Exp roberto $
+** $Id: llex.c,v 2.13 2005/11/08 19:45:14 roberto Exp roberto $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/
#include <ctype.h>
+#include <locale.h>
#include <string.h>
#define llex_c
@@ -134,6 +135,8 @@ static void inclinenumber (LexState *ls) {
void luaX_setinput (lua_State *L, LexState *ls, ZIO *z, TString *source) {
+ struct lconv *cv = localeconv();
+ ls->decpoint = (cv ? cv->decimal_point[0] : '.');
ls->L = L;
ls->lookahead.token = TK_EOS; /* no look-ahead token */
ls->z = z;
@@ -163,6 +166,13 @@ static int check_next (LexState *ls, const char *set) {
}
+static void correctbuff (LexState *ls, char from, char to) {
+ int n = luaZ_bufflen(ls->buff);
+ char *p = luaZ_buffer(ls->buff);
+ while (n--)
+ if (p[n] == from) p[n] = to;
+}
+
/* LUA_NUMBER */
static void read_numeral (LexState *ls, SemInfo *seminfo) {
@@ -177,8 +187,11 @@ static void read_numeral (LexState *ls, SemInfo *seminfo) {
}
}
save(ls, '\0');
- if (!luaO_str2d(luaZ_buffer(ls->buff), &seminfo->r))
+ correctbuff(ls, '.', ls->decpoint); /* follow locale for decimal point */
+ if (!luaO_str2d(luaZ_buffer(ls->buff), &seminfo->r)) {
+ correctbuff(ls, ls->decpoint, '.'); /* undo change */
luaX_lexerror(ls, "malformed number", TK_NUMBER);
+ }
}
diff --git a/llex.h b/llex.h
@@ -1,5 +1,5 @@
/*
-** $Id: llex.h,v 1.54 2005/04/25 19:24:10 roberto Exp roberto $
+** $Id: llex.h,v 1.55 2005/06/06 13:30:25 roberto Exp roberto $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/
@@ -63,6 +63,7 @@ typedef struct LexState {
ZIO *z; /* input stream */
Mbuffer *buff; /* buffer for tokens */
TString *source; /* current source name */
+ char decpoint; /* locale decimal point */
} LexState;