net.sandius.rembulan.compiler.gen.asm.helpers.ExecutionContextMethods Maven / Gradle / Ivy
The newest version!
/*
* 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.Table;
import net.sandius.rembulan.runtime.ExecutionContext;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.InsnList;
import org.objectweb.asm.tree.MethodInsnNode;
import static org.objectweb.asm.Opcodes.INVOKEINTERFACE;
public abstract class ExecutionContextMethods {
private ExecutionContextMethods() {
// not to be instantiated or extended
}
private static Type selfTpe() {
return Type.getType(ExecutionContext.class);
}
public static MethodInsnNode registerTicks() {
return new MethodInsnNode(
INVOKEINTERFACE,
selfTpe().getInternalName(),
"registerTicks",
Type.getMethodDescriptor(
Type.VOID_TYPE,
Type.INT_TYPE),
true);
}
public static MethodInsnNode checkCallYield() {
return new MethodInsnNode(
INVOKEINTERFACE,
selfTpe().getInternalName(),
"pauseIfRequested",
Type.getMethodDescriptor(
Type.VOID_TYPE),
true);
}
public static InsnList newTable(int array, int hash) {
InsnList il = new InsnList();
il.add(ASMUtils.loadInt(array));
il.add(ASMUtils.loadInt(hash));
il.add(new MethodInsnNode(
INVOKEINTERFACE,
selfTpe().getInternalName(),
"newTable",
Type.getMethodType(
Type.getType(Table.class),
Type.INT_TYPE,
Type.INT_TYPE).getDescriptor(),
true));
return il;
}
}