net.sandius.rembulan.compiler.gen.asm.helpers.InvokeKind Maven / Gradle / Ivy
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/*
* Copyright 2016 Miroslav Janíček
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.sandius.rembulan.compiler.gen.asm.helpers;
import net.sandius.rembulan.runtime.AbstractFunction0;
import net.sandius.rembulan.runtime.AbstractFunction1;
import net.sandius.rembulan.runtime.AbstractFunction2;
import net.sandius.rembulan.runtime.AbstractFunction3;
import net.sandius.rembulan.runtime.AbstractFunction4;
import net.sandius.rembulan.runtime.AbstractFunction5;
import net.sandius.rembulan.runtime.AbstractFunctionAnyArg;
import net.sandius.rembulan.runtime.LuaFunction;
public abstract class InvokeKind {
private InvokeKind() {
// not to be instantiated or extended
}
// 0 means variable number of parameters packed in an array
// n > 0 means exactly (n - 1) parameters
public static int encode(int numOfFixedArgs, boolean vararg) {
return vararg ? 0 : numOfFixedArgs + 1;
}
public static int adjust_nativeKind(int kind) {
return kind > 0 ? (nativeClassForKind(kind) != null ? kind : 0) : 0;
}
public static Class nativeClassForKind(int kind) {
switch (kind) {
case 0: return AbstractFunctionAnyArg.class;
case 1: return AbstractFunction0.class;
case 2: return AbstractFunction1.class;
case 3: return AbstractFunction2.class;
case 4: return AbstractFunction3.class;
case 5: return AbstractFunction4.class;
case 6: return AbstractFunction5.class;
default: return null;
}
}
}