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digitalmars.D.learn - LuaD: How to load modules

reply "Chris" <wendlec tcd.ie> writes:
I'm using / testing LuaD atm. It works very well, however, I've 
encountered a problem. When I load the module lualsp (for "lua 
server pages") the app crashes. If I run the lua script on its own

$ lua5.1 test.lua

it works perfectly fine. The lua server page is executed 
correctly. If I run the same script from within LuaD, the app 
crashes, same goes for

lua.doString("require \"lualsp\"");

I haven't been able to figure out how to load the module into lua 
correctly, obviously there is something going wrong. I hope there 
is a way.

The script test.lua:

-- test.lua
require "lualsp"

-- function from lualsp module written in C++
dofile_lsp("../examples/example1.html")
-- end test.lua

The lsp file:

<html>
   <body>

     <? name = "Chris"?>

     <? print(name) ?>

   </body>
</html>
Jul 17 2014
parent "Chris" <wendlec tcd.ie> writes:
On Thursday, 17 July 2014 at 10:53:56 UTC, Chris wrote:

 I'm using / testing LuaD atm. It works very well, however, I've 
 encountered a problem. When I load the module lualsp (for "lua 
 server pages") the app crashes. If I run the lua script on its 
 own

 $ lua5.1 test.lua

 it works perfectly fine. The lua server page is executed 
 correctly. If I run the same script from within LuaD, the app 
 crashes, same goes for

 lua.doString("require \"lualsp\"");

 I haven't been able to figure out how to load the module into 
 lua correctly, obviously there is something going wrong. I hope 
 there is a way.

 The script test.lua:

 -- test.lua
 require "lualsp"

 -- function from lualsp module written in C++
 dofile_lsp("../examples/example1.html")
 -- end test.lua

 The lsp file:

 <html>
   <body>

     <? name = "Chris"?>

     <? print(name) ?>

   </body>
 </html>


What works is when I compile lualsp into a static library and 
then link my program against it. Then I can do:

lua_State* L = luaL_newstate();
auto lua = new LuaState(L);
lua.openLibs();
int lib = luaopen_lualsp(L);  // defined in llsplib.cpp (i.e. the 
module)

if (lib == 0) {
   auto lsp = lua.get!LuaFunction("dofile_lsp");
   lua.doString("dofile_lsp('path/to/example1.html')");
}

But I want to be able to load an external library dynamically.
Jul 17 2014