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still accepts initial '=' for expressions, for compatibility with old

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versions (and old habits...)
This commit is contained in:
Roberto Ierusalimschy 2014-02-05 12:22:55 -02:00
parent 2f3da00e51
commit 1721d09ac8
1 changed files with 5 additions and 2 deletions
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7
lua.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lua.c,v 1.207 2013/10/07 14:20:31 roberto Exp roberto $ ** $Id: lua.c,v 1.208 2013/12/16 14:27:17 roberto Exp roberto $
** Lua stand-alone interpreter ** Lua stand-alone interpreter
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -270,7 +270,10 @@ static int pushline (lua_State *L, int firstline) {
l = strlen(b); l = strlen(b);
if (l > 0 && b[l-1] == '\n') /* line ends with newline? */ if (l > 0 && b[l-1] == '\n') /* line ends with newline? */
b[l-1] = '\0'; /* remove it */ b[l-1] = '\0'; /* remove it */
lua_pushstring(L, b); /* save line in Lua */ if (firstline && b[0] == '=') /* for compatibility with 5.2, ... */
lua_pushfstring(L, "return %s", b + 1); /* change '=' to 'return' */
else
lua_pushstring(L, b);
lua_freeline(L, b); lua_freeline(L, b);
return 1; return 1;
} }