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author Miodrag Milanovic <mmicko@gmail.com>2016-10-07 14:43:09 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2016-10-07 14:43:09 +0200
commit377472a6dd2c9bdff4d5667f5789c49aee2abb4c (patch)
treea0ce4d6fc3db1524609efc61307d48448e703f38 /3rdparty/sol2/sol/stack_reference.hpp
parent1335933ce00cf6095e403a24d0b1dd9e0b565650 (diff)
Added sol2 header only library as future replacement for luabridge (nw)
Diffstat (limited to '3rdparty/sol2/sol/stack_reference.hpp')
-rw-r--r--3rdparty/sol2/sol/stack_reference.hpp84
1 files changed, 84 insertions, 0 deletions
diff --git a/3rdparty/sol2/sol/stack_reference.hpp b/3rdparty/sol2/sol/stack_reference.hpp
new file mode 100644
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--- /dev/null
+++ b/3rdparty/sol2/sol/stack_reference.hpp
@@ -0,0 +1,84 @@
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SOL_STACK_REFERENCE_HPP
+#define SOL_STACK_REFERENCE_HPP
+
+namespace sol {
+ class stack_reference {
+ private:
+ lua_State* L = nullptr;
+ int index = 0;
+
+ protected:
+ int registry_index() const noexcept {
+ return LUA_NOREF;
+ }
+
+ public:
+ stack_reference() noexcept = default;
+ stack_reference(nil_t) noexcept : stack_reference() {};
+ stack_reference(lua_State* L, int i) noexcept : L(L), index(lua_absindex(L, i)) {}
+ stack_reference(lua_State* L, absolute_index i) noexcept : L(L), index(i) {}
+ stack_reference(lua_State* L, raw_index i) noexcept : L(L), index(i) {}
+ stack_reference(stack_reference&& o) noexcept = default;
+ stack_reference& operator=(stack_reference&&) noexcept = default;
+ stack_reference(const stack_reference&) noexcept = default;
+ stack_reference& operator=(const stack_reference&) noexcept = default;
+
+ int push() const noexcept {
+ lua_pushvalue(L, index);
+ return 1;
+ }
+
+ void pop(int n = 1) const noexcept {
+ lua_pop(lua_state(), n);
+ }
+
+ int stack_index() const noexcept {
+ return index;
+ }
+
+ type get_type() const noexcept {
+ int result = lua_type(L, index);
+ return static_cast<type>(result);
+ }
+
+ lua_State* lua_state() const noexcept {
+ return L;
+ }
+
+ bool valid() const noexcept {
+ type t = get_type();
+ return t != type::nil && t != type::none;
+ }
+ };
+
+ inline bool operator== (const stack_reference& l, const stack_reference& r) {
+ return lua_compare(l.lua_state(), l.stack_index(), r.stack_index(), LUA_OPEQ) == 0;
+ }
+
+ inline bool operator!= (const stack_reference& l, const stack_reference& r) {
+ return !operator==(l, r);
+ }
+} // sol
+
+#endif // SOL_STACK_REFERENCE_HPP