Hi I want lua C api to create Lua table like
table={['key1']={5,4,3,2},['key2']={1,0,1,1,0},['key3']={0,10,0,30,0,50}}
thanks in-advance....
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1 Answer
My lua2c gives this:
lua_newtable(L);
lua_pushliteral(L,"key1");
lua_newtable(L);
lua_pushnumber(L,5);
lua_pushnumber(L,4);
lua_pushnumber(L,3);
lua_pushnumber(L,2);
lua_rawseti(L,-5,4);
lua_rawseti(L,-4,3);
lua_rawseti(L,-3,2);
lua_rawseti(L,-2,1);
lua_pushliteral(L,"key2");
lua_newtable(L);
lua_pushnumber(L,1);
lua_pushnumber(L,0);
lua_pushnumber(L,1);
lua_pushnumber(L,1);
lua_pushnumber(L,0);
lua_rawseti(L,-6,5);
lua_rawseti(L,-5,4);
lua_rawseti(L,-4,3);
lua_rawseti(L,-3,2);
lua_rawseti(L,-2,1);
lua_pushliteral(L,"key3");
lua_newtable(L);
lua_pushnumber(L,0);
lua_pushnumber(L,10);
lua_pushnumber(L,0);
lua_pushnumber(L,30);
lua_pushnumber(L,0);
lua_pushnumber(L,50);
lua_rawseti(L,-7,6);
lua_rawseti(L,-6,5);
lua_rawseti(L,-5,4);
lua_rawseti(L,-4,3);
lua_rawseti(L,-3,2);
lua_rawseti(L,-2,1);
lua_settable(L,-7);
lua_settable(L,-5);
lua_settable(L,-3);
lua_setglobal(L,"table");
This automatically generated code postpones setting table entries to the end; it can be more readable to set them as soon as possible, but you need to adjust the indices carefully.
1 Comment
lhf
For a recent thread on this, see lua-users.org/lists/lua-l/2022-01/msg00156.html