org.jruby.compiler.ir.instructions.SET_RETADDR_Instr Maven / Gradle / Ivy
package org.jruby.compiler.ir.instructions;
import java.util.Map;
import org.jruby.compiler.ir.Operation;
import org.jruby.compiler.ir.operands.Label;
import org.jruby.compiler.ir.operands.Variable;
import org.jruby.compiler.ir.representations.InlinerInfo;
import org.jruby.compiler.ir.operands.Label;
import org.jruby.interpreter.InterpreterContext;
import org.jruby.runtime.builtin.IRubyObject;
// This is of the form:
// v = LBL_..
// Used in rescue blocks to tell the ensure block where to return to after it is done doing its thing.
public class SET_RETADDR_Instr extends OneOperandInstr
{
public SET_RETADDR_Instr(Variable d, Label l) {
super(Operation.SET_RETADDR, d, l);
}
public Label getReturnAddr() { return (Label)argument; }
public String toString() { return "\t" + result + " = " + argument; }
public Instr cloneForInlining(InlinerInfo ii) {
return new SET_RETADDR_Instr(ii.getRenamedVariable(result), ii.getRenamedLabel((Label)argument));
}
// Can this instruction raise exceptions?
@Override
public boolean canRaiseException() { return false; }
@Override
public Label interpret(InterpreterContext interp, IRubyObject self) {
getResult().store(interp, ((Label)getArg()));
return null;
}
}