org.robovm.compiler.llvm.Landingpad Maven / Gradle / Ivy
/*
* Copyright (C) 2012 Trillian Mobile AB
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package org.robovm.compiler.llvm;
/**
* @author niklas
*
*/
public class Landingpad extends Instruction {
private final Variable result;
private final Constant personalityFn;
private final boolean cleanup;
private final Clause[] clauses;
public Landingpad(Variable result, Constant personalityFn, Clause ... clauses) {
this(result, personalityFn, false, clauses);
}
public Landingpad(Variable result, Constant personalityFn,
boolean cleanup, Clause ... clauses) {
this.result = result;
this.personalityFn = personalityFn;
this.cleanup = cleanup;
this.clauses = new Clause[clauses.length];
System.arraycopy(clauses, 0, this.clauses, 0, clauses.length);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(result);
sb.append(" = landingpad ");
sb.append(result.getType());
sb.append(" personality ");
sb.append(personalityFn.getType());
sb.append(' ');
sb.append(personalityFn);
if (cleanup) {
sb.append(" cleanup");
}
for (Clause clause : clauses) {
sb.append(' ');
sb.append(clause);
}
return sb.toString();
}
public interface Clause {}
public static class Catch implements Clause {
private final Value value;
public Catch(Value value) {
this.value = value;
}
@Override
public String toString() {
return "catch " + value.getType() + " " + value;
}
}
public static class Filter implements Clause {
private final ArrayConstant value;
public Filter(ArrayConstant value) {
this.value = value;
}
@Override
public String toString() {
return "filter " + value.getType() + " " + value;
}
}
}