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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.truffle.debug;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TraceTruffleCompilationAST;
import java.util.List;
import org.graalvm.compiler.code.CompilationResult;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.truffle.GraalTruffleRuntime;
import org.graalvm.compiler.truffle.OptimizedCallTarget;
import org.graalvm.compiler.truffle.TruffleCompilerOptions;
import org.graalvm.compiler.truffle.TruffleInlining;
import org.graalvm.compiler.truffle.TruffleInlining.CallTreeNodeVisitor;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.NodeClass;
public final class TraceCompilationASTListener extends AbstractDebugCompilationListener {
public static void install(GraalTruffleRuntime runtime) {
if (TruffleCompilerOptions.getValue(TraceTruffleCompilationAST)) {
runtime.addCompilationListener(new TraceCompilationASTListener());
}
}
@Override
public void notifyCompilationSuccess(OptimizedCallTarget target, TruffleInlining inliningDecision, StructuredGraph graph, CompilationResult result) {
log(0, "opt AST", target.toString(), target.getDebugProperties(inliningDecision));
printCompactTree(target, inliningDecision);
}
private static void printCompactTree(OptimizedCallTarget target, TruffleInlining inliningDecision) {
target.accept(new CallTreeNodeVisitor() {
@Override
public boolean visit(List<TruffleInlining> decisionStack, Node node) {
if (node == null) {
return true;
}
int level = CallTreeNodeVisitor.getNodeDepth(decisionStack, node);
StringBuilder indent = new StringBuilder();
for (int i = 0; i < level; i++) {
indent.append(" ");
}
Node parent = node.getParent();
if (parent == null) {
OptimizedCallTarget.log(String.format("%s%s", indent, node.getClass().getSimpleName()));
} else {
String fieldName = getFieldName(parent, node);
OptimizedCallTarget.log(String.format("%s%s = %s", indent, fieldName, node.getClass().getSimpleName()));
}
return true;
}
@SuppressWarnings("deprecation")
private String getFieldName(Node parent, Node node) {
for (com.oracle.truffle.api.nodes.NodeFieldAccessor field : NodeClass.get(parent).getFields()) {
Object value = field.loadValue(parent);
if (value == node) {
return field.getName();
} else if (value instanceof Node[]) {
int index = 0;
for (Node arrayNode : (Node[]) value) {
if (arrayNode == node) {
return field.getName() + "[" + index + "]";
}
index++;
}
}
}
return "unknownField";
}
}, inliningDecision);
}
}