com.oracle.graal.python.nodes.expression.LookupAndCallInplaceNode Maven / Gradle / Ivy
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package com.oracle.graal.python.nodes.expression;
import com.oracle.graal.python.builtins.objects.PNone;
import com.oracle.graal.python.builtins.objects.PNotImplemented;
import com.oracle.graal.python.nodes.PGuards;
import com.oracle.graal.python.nodes.PNodeWithContext;
import com.oracle.graal.python.nodes.attributes.LookupAttributeInMRONode;
import com.oracle.graal.python.nodes.attributes.LookupCallableSlotInMRONode;
import com.oracle.graal.python.nodes.attributes.LookupInMROBaseNode;
import com.oracle.graal.python.nodes.call.special.CallBinaryMethodNode;
import com.oracle.graal.python.nodes.call.special.LookupAndCallTernaryNode;
import com.oracle.graal.python.nodes.object.GetClassNode;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.dsl.Bind;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.NeverDefault;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.Node;
public abstract class LookupAndCallInplaceNode extends PNodeWithContext implements BinaryOp {
public abstract static class NotImplementedHandler extends PNodeWithContext {
public abstract Object execute(Object arg, Object arg2);
}
@Child private CallBinaryMethodNode callBinaryMethodNode;
@Child private BinaryOpNode binaryOpNode;
@Child private LookupAndCallTernaryNode lookupAndCallTernaryNode;
@Child private NotImplementedHandler handler;
final InplaceArithmetic arithmetic;
LookupAndCallInplaceNode(InplaceArithmetic arithmetic) {
this.arithmetic = arithmetic;
}
public static LookupAndCallInplaceNode create(InplaceArithmetic arithmetic) {
return LookupAndCallInplaceNodeGen.create(arithmetic);
}
private CallBinaryMethodNode ensureBinaryCallNode() {
if (callBinaryMethodNode == null) {
CompilerDirectives.transferToInterpreterAndInvalidate();
callBinaryMethodNode = insert(CallBinaryMethodNode.create());
}
return callBinaryMethodNode;
}
private BinaryOpNode ensureLookupAndCallBinaryNode() {
if (binaryOpNode == null) {
CompilerDirectives.transferToInterpreterAndInvalidate();
binaryOpNode = insert(arithmetic.binary.create());
}
return binaryOpNode;
}
private LookupAndCallTernaryNode ensureLookupAndCallTernaryNode() {
if (lookupAndCallTernaryNode == null) {
CompilerDirectives.transferToInterpreterAndInvalidate();
lookupAndCallTernaryNode = insert(LookupAndCallTernaryNode.createReversible(arithmetic.binaryOpName, null));
}
return lookupAndCallTernaryNode;
}
@Override
public final Object executeObject(VirtualFrame frame, Object left, Object right) {
return execute(frame, left, right);
}
public final Object execute(VirtualFrame frame, Object left, Object right) {
return executeTernary(frame, left, right, PNone.NO_VALUE);
}
public abstract Object executeTernary(VirtualFrame frame, Object x, Object y, Object z);
@NeverDefault
protected final LookupInMROBaseNode createInplaceLookup() {
if (arithmetic.slot != null) {
return LookupCallableSlotInMRONode.create(arithmetic.slot);
} else {
return LookupAttributeInMRONode.create(arithmetic.methodName);
}
}
@Specialization
Object doBinary(VirtualFrame frame, Object left, Object right, Object z,
@Bind("this") Node inliningTarget,
@Cached GetClassNode getClassNode,
@Cached("createInplaceLookup()") LookupInMROBaseNode lookupInplace) {
Object result;
Object inplaceCallable = lookupInplace.execute(getClassNode.execute(inliningTarget, left));
if (inplaceCallable != PNone.NO_VALUE) {
// nb.: The only ternary in-place operator is '__ipow__' but according to 'typeobject.c:
// slot_nb_inplace_power', this is always called as binary.
result = ensureBinaryCallNode().executeObject(frame, inplaceCallable, left, right);
if (result != PNotImplemented.NOT_IMPLEMENTED) {
return result;
}
}
// try non-inplace variant
boolean isBinary = PGuards.isPNone(z);
if (isBinary) {
result = ensureLookupAndCallBinaryNode().executeObject(frame, left, right);
} else {
result = ensureLookupAndCallTernaryNode().execute(frame, left, right, z);
}
if (result != PNotImplemented.NOT_IMPLEMENTED) {
return result;
}
if (handler == null) {
CompilerDirectives.transferToInterpreterAndInvalidate();
handler = insert(arithmetic.notImplementedHandler.get());
}
return handler.execute(left, right);
}
}
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