commit 09f3c2372f5dbeaec9f50614a26c1b5761726a88
parent c197885cb00b85251c35cffdc4057efaee2d7a88
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 15 May 2023 13:46:11 -0300
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.
Diffstat:
4 files changed, 26 insertions(+), 11 deletions(-)
diff --git a/loadlib.c b/loadlib.c
@@ -25,15 +25,6 @@
/*
-** LUA_IGMARK is a mark to ignore all before it when building the
-** luaopen_ function name.
-*/
-#if !defined (LUA_IGMARK)
-#define LUA_IGMARK "-"
-#endif
-
-
-/*
** LUA_CSUBSEP is the character that replaces dots in submodule names
** when searching for a C loader.
** LUA_LSUBSEP is the character that replaces dots in submodule names
diff --git a/lua.c b/lua.c
@@ -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);
}
diff --git a/luaconf.h b/luaconf.h
@@ -257,6 +257,15 @@
#endif
+
+/*
+** LUA_IGMARK is a mark to ignore all after it when building the
+** module name (e.g., used to build the luaopen_ function name).
+** Typically, the sufix after the mark is the module version,
+** as in "mod-v1.2.so".
+*/
+#define LUA_IGMARK "-"
+
/* }================================================================== */
diff --git a/testes/main.lua b/testes/main.lua
@@ -225,6 +225,13 @@ prepfile("print(str.upper'alo alo', m.max(10, 20))")
RUN("lua -l 'str=string' '-lm=math' -e 'print(m.sin(0))' %s > %s", prog, out)
checkout("0.0\nALO ALO\t20\n")
+
+-- test module names with version sufix ("libs/lib2-v2")
+RUN("env LUA_CPATH='./libs/?.so' lua -l lib2-v2 -e 'print(lib2.id())' > %s",
+ out)
+checkout("true\n")
+
+
-- test 'arg' table
local a = [[
assert(#arg == 3 and arg[1] == 'a' and
