fd032eff36
This fixes problems with degenerate cases such as:
local button
assert(coroutine.resume(coroutine.create(function()
button = Button(10, 10, 20, 20)
end)))
button:action(function()
print("hi")
end)
27 lines
451 B
C++
27 lines
451 B
C++
#pragma once
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#include "LuaCompat.h"
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class LuaSmartRef
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{
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int ref;
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lua_State *rootl;
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public:
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LuaSmartRef(lua_State *l);
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~LuaSmartRef();
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void Assign(lua_State *l, int index); // Copies the value before getting reference, stack unchanged.
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void Clear();
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int Push(lua_State *l); // Always pushes exactly one value, possibly nil.
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inline operator int() const
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{
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return ref;
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}
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inline operator bool() const
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{
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return ref != LUA_REFNIL;
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}
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};
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