Option '-l' discards version sufix from file name

Like 'require', the command-line option '-l' discards an optional
version suffix (everything after an hyphen) from a file name when
creating the module name.
This commit is contained in:
Roberto Ierusalimschy
2023-05-15 13:46:38 -03:00
parent c197885cb0
commit 09f3c2372f
4 changed files with 26 additions and 11 deletions

12
lua.c
View File

@@ -210,12 +210,17 @@ static int dostring (lua_State *L, const char *s, const char *name) {
/*
** Receives 'globname[=modname]' and runs 'globname = require(modname)'.
** If there is no explicit modname and globname contains a '-', cut
** the sufix after '-' (the "version") to make the global name.
*/
static int dolibrary (lua_State *L, char *globname) {
int status;
char *suffix = NULL;
char *modname = strchr(globname, '=');
if (modname == NULL) /* no explicit name? */
if (modname == NULL) { /* no explicit name? */
modname = globname; /* module name is equal to global name */
suffix = strchr(modname, *LUA_IGMARK); /* look for a suffix mark */
}
else {
*modname = '\0'; /* global name ends here */
modname++; /* module name starts after the '=' */
@@ -223,8 +228,11 @@ static int dolibrary (lua_State *L, char *globname) {
lua_getglobal(L, "require");
lua_pushstring(L, modname);
status = docall(L, 1, 1); /* call 'require(modname)' */
if (status == LUA_OK)
if (status == LUA_OK) {
if (suffix != NULL) /* is there a suffix mark? */
*suffix = '\0'; /* remove sufix from global name */
lua_setglobal(L, globname); /* globname = require(modname) */
}
return report(L, status);
}