35 lines
861 B
Go
35 lines
861 B
Go
package luar
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import (
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"reflect"
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"github.com/yuin/gopher-lua"
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)
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// Meta can be implemented by a struct or struct pointer. Each method defines
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// a fallback action for the corresponding Lua metamethod.
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//
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// The signature of the methods does not matter; they will be converted using
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// the standard function conversion rules. Also, a type is allowed to implement
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// only a subset of the interface.
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type Meta interface {
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LuarCall(arguments ...interface{}) interface{}
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LuarIndex(key interface{}) interface{}
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LuarNewIndex(key, value interface{})
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}
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const (
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luarCallFunc = "LuarCall"
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luarIndexFunc = "LuarIndex"
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luarNewIndexFunc = "LuarNewIndex"
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)
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func metaFunction(L *lua.LState, name string, ref reflect.Value) int {
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refType := ref.Type()
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method, ok := refType.MethodByName(name)
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if !ok {
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return -1
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}
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return funcEvaluate(L, method.Func)
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}
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