35 lines
845 B
C++
35 lines
845 B
C++
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#include "table.hpp"
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// Clear the table. Removes metatable and all key-value pairs.
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int lpx_table_clear(lua_State *L) {
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LuaArg tab;
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LuaStack LS(L, tab);
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LS.checktype(tab, LUA_TTABLE);
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LS.clearmetatable(tab);
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lua_pushnil(L);
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while (lua_next(L, tab.index()) != 0) {
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lua_pop(L, 1); // Pop the old value.
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lua_pushvalue(L, -1); // Clone the key
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lua_pushnil(L); // Push the new value.
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lua_settable(L, tab.index());
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}
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return LS.result();
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}
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int lpx_table_coerce(lua_State *L) {
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if (!lua_istable(L, -1)) {
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lua_pop(L, 1);
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lua_newtable(L);
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}
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return 1;
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}
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void luaopen_lpx_table (lua_State *L) {
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LuaStack::reg(L, "table", "clear", LuaArgCheck<1, lpx_table_clear>);
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LuaStack::reg(L, "table", "coerce", LuaArgCheck<1, lpx_table_coerce>);
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}
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