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Improve lua framework code

This commit is contained in:
halx99 2020-11-17 23:17:40 +08:00
parent f6e87217bf
commit a524d61036
2 changed files with 9 additions and 8 deletions
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4
extensions/scripting/lua-bindings/CMakeLists.txt
View File

@ -185,10 +185,6 @@ if(WINDOWS)
target_compile_definitions(${ENGINEX_LUA_LIB} PUBLIC _USRLUASTATIC)
endif()
target_compile_definitions(${ENGINEX_LUA_LIB}
PUBLIC LUA_COMPAT_MODULE
)
set_target_properties(${ENGINEX_LUA_LIB}
PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"

13
extensions/scripting/lua-bindings/manual/CCLuaStack.cpp
View File

@ -69,8 +69,7 @@ namespace {
size_t sz;
s = lua_tolstring(L, -1, &sz); /* get result */
if (s == NULL)
return luaL_error(L, LUA_QL("tostring") " must return a string to "
LUA_QL("print"));
return luaL_error(L, "'tostring' must return a string to 'print'");
if (i>1) out->append("\t");
out->append(s, sz);
lua_pop(L, 1); /* pop result */
@ -188,11 +187,17 @@ void LuaStack::addSearchPath(const char* path)
void LuaStack::addLuaLoader(lua_CFunction func)
{
if (!func) return;
#if LUA_VERSION_NUM >= 504 || (LUA_VERSION_NUM >= 502 && !defined(LUA_COMPAT_LOADERS))
const char* realname = "searchers";
#else
const char* realname = "loaders";
#endif
// stack content after the invoking of the function
// get loader table
lua_getglobal(_state, "package"); /* L: package */
lua_getfield(_state, -1, "loaders"); /* L: package, loaders */
lua_getfield(_state, -1, realname); /* L: package, loaders */
// insert loader into index 2
lua_pushcfunction(_state, func); /* L: package, loaders, func */
@ -205,7 +210,7 @@ void LuaStack::addLuaLoader(lua_CFunction func)
lua_rawseti(_state, -2, 2); /* L: package, loaders */
// set loaders into package
lua_setfield(_state, -2, "loaders"); /* L: package */
lua_setfield(_state, -2, realname); /* L: package */
lua_pop(_state, 1);
}