package org.jruby.ir.instructions;
import java.util.Arrays;
import org.jruby.RubyArray;
import org.jruby.ir.IRScope;
import org.jruby.ir.IRVisitor;
import org.jruby.ir.Operation;
import org.jruby.ir.operands.Operand;
import org.jruby.ir.operands.UndefinedValue;
import org.jruby.ir.operands.Variable;
import org.jruby.ir.runtime.IRReturnJump;
import org.jruby.ir.runtime.IRRuntimeHelpers;
import org.jruby.ir.transformations.inlining.InlinerInfo;
import org.jruby.runtime.Block;
import org.jruby.runtime.DynamicScope;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.util.unsafe.UnsafeFactory;
import java.util.Map;
public class RuntimeHelperCall extends Instr implements ResultInstr {
Variable result;
String helperMethod;
Operand[] args;
public RuntimeHelperCall(Variable result, String helperMethod, Operand[] args) {
super(Operation.RUNTIME_HELPER);
this.result = result;
this.helperMethod = helperMethod;
this.args = args;
}
public Operand[] getOperands() {
return args;
}
public Variable getResult() {
return result;
}
public void updateResult(Variable v) {
this.result = v;
}
@Override
public void simplifyOperands(Map<Operand, Operand> valueMap, boolean force) {
for (int i = 0; i < args.length; i++) {
args[i] = args[i].getSimplifiedOperand(valueMap, force);
}
}
@Override
public Instr cloneForInlining(InlinerInfo ii) {
// SSS FIXME: array of args cloning should be part of utility class
Operand[] clonedArgs = new Operand[args.length];
for (int i = 0; i < args.length; i++) {
clonedArgs[i++] = args[i].cloneForInlining(ii);
}
Variable var = getResult();
return new RuntimeHelperCall(var == null ? null : ii.getRenamedVariable(var), helperMethod, clonedArgs);
}
@Override
public String toString() {
return (getResult() == null ? "" : (getResult() + " = ")) + getOperation() + "(" + helperMethod + ", " + Arrays.toString(args) + ")";
}
public IRubyObject callHelper(ThreadContext context, DynamicScope currDynScope, IRubyObject self, Object[] temp, IRScope scope, Block.Type blockType) {
Object exc = args[0].retrieve(context, self, currDynScope, temp);
if (helperMethod.equals("handlePropagatedBreak")) {
return IRRuntimeHelpers.handlePropagatedBreak(context, scope, exc, blockType);
} else if (helperMethod.equals("handleNonlocalReturn")) {
return IRRuntimeHelpers.handleNonlocalReturn(scope, exc, blockType);
} else if (helperMethod.equals("catchUncaughtBreakInLambdas")) {
IRRuntimeHelpers.catchUncaughtBreakInLambdas(context, scope, exc, blockType);
// should not get here
return null;
} else {
// Unknown helper method!
return null;
}
}
@Override
public void visit(IRVisitor visitor) {
visitor.RuntimeHelperCall(this);
}
}