com.oracle.graal.python.nodes.call.InvokeNode Maven / Gradle / Ivy
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package com.oracle.graal.python.nodes.call;
import com.oracle.graal.python.PythonLanguage;
import com.oracle.graal.python.builtins.objects.function.PArguments;
import com.oracle.graal.python.builtins.objects.function.PBuiltinFunction;
import com.oracle.graal.python.builtins.objects.function.PFunction;
import com.oracle.graal.python.builtins.objects.method.PBuiltinMethod;
import com.oracle.graal.python.nodes.IndirectCallNode;
import com.oracle.graal.python.nodes.builtins.FunctionNodes.GetCallTargetNode;
import com.oracle.graal.python.nodes.bytecode.PBytecodeGeneratorFunctionRootNode;
import com.oracle.graal.python.runtime.PythonOptions;
import com.oracle.truffle.api.Assumption;
import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.api.CompilerAsserts;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.RootCallTarget;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.RootNode;
import com.oracle.truffle.api.profiles.InlinedConditionProfile;
public abstract class InvokeNode extends Node implements IndirectCallNode {
protected static boolean shouldInlineGenerators() {
CompilerAsserts.neverPartOfCompilation();
return PythonLanguage.get(null).getEngineOption(PythonOptions.ForceInlineGeneratorCalls);
}
protected static boolean forceSplitBuiltins() {
CompilerAsserts.neverPartOfCompilation();
return PythonLanguage.get(null).getEngineOption(PythonOptions.EnableForcedSplits);
}
@TruffleBoundary
protected static RootCallTarget getCallTarget(Object callee) {
Object actualCallee = callee;
RootCallTarget callTarget = GetCallTargetNode.getUncached().execute(actualCallee);
if (callTarget == null) {
throw CompilerDirectives.shouldNotReachHere("Unsupported callee type " + actualCallee);
}
return callTarget;
}
protected static void optionallySetGeneratorFunction(Node inliningTarget, Object[] arguments, CallTarget callTarget, InlinedConditionProfile isGeneratorFunctionProfile, PFunction callee) {
RootNode rootNode = ((RootCallTarget) callTarget).getRootNode();
if (isGeneratorFunctionProfile.profile(inliningTarget, rootNode instanceof PBytecodeGeneratorFunctionRootNode)) {
assert callee != null : "generator function callee not passed to invoke node";
PArguments.setGeneratorFunction(arguments, callee);
}
}
protected static boolean isBuiltin(Object callee) {
return callee instanceof PBuiltinFunction || callee instanceof PBuiltinMethod;
}
public static Object invokeUncached(PBuiltinFunction callee, Object[] arguments) {
return GenericInvokeNode.getUncached().execute(callee, arguments);
}
public static Object invokeUncached(RootCallTarget ct, Object[] arguments) {
return GenericInvokeNode.getUncached().execute(ct, arguments);
}
}
abstract class DirectInvokeNode extends InvokeNode {
/**
* Flags indicating if some child node of this root node (or a callee) eventually needs the
* caller or exception state. Hence, the caller of this root node should provide the exception
* state in the arguments.
*/
@CompilationFinal private Assumption dontNeedExceptionState = createExceptionStateAssumption();
@CompilationFinal private Assumption dontNeedCallerFrame = createCallerFrameAssumption();
private static Assumption createCallerFrameAssumption() {
return Truffle.getRuntime().createAssumption("does not need caller frame");
}
private static Assumption createExceptionStateAssumption() {
return Truffle.getRuntime().createAssumption("does not need exception state");
}
@Override
public Assumption needNotPassFrameAssumption() {
return dontNeedCallerFrame;
}
@Override
public Assumption needNotPassExceptionAssumption() {
return dontNeedExceptionState;
}
@CompilationFinal private int state = 0;
protected boolean profileIsNullFrame(boolean isNullFrame) {
if (state == 0) {
CompilerDirectives.transferToInterpreterAndInvalidate();
if (isNullFrame) {
state = 0x1;
} else {
state = 0x2;
}
}
if (state == 0x1) {
if (!isNullFrame) {
CompilerDirectives.transferToInterpreterAndInvalidate();
throw new IllegalStateException("Invoke node was initialized for a null frame. Cannot use it with non-null frame now.");
}
return true;
}
assert state == 0x2;
if (isNullFrame) {
CompilerDirectives.transferToInterpreterAndInvalidate();
throw new IllegalStateException("Invoke node was initialized for a non-null frame. Cannot use it with null frame now.");
}
return false;
}
@Override
public Node copy() {
DirectInvokeNode copy = (DirectInvokeNode) super.copy();
copy.dontNeedCallerFrame = createCallerFrameAssumption();
copy.dontNeedExceptionState = createExceptionStateAssumption();
return copy;
}
}
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