IDEA-106902 Option to "View as > Binary" when debugging

2026-09-27 10:03:11 +07:00 · 2015-02-12 14:45:26 +03:00
parent eaba486734
commit aaf6b66003
2 changed files with 97 additions and 0 deletions
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2000-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.debugger.ui.tree.render;
+
+import com.intellij.debugger.DebuggerContext;
+import com.intellij.debugger.engine.evaluation.EvaluateException;
+import com.intellij.debugger.engine.evaluation.EvaluationContext;
+import com.intellij.debugger.ui.tree.DebuggerTreeNode;
+import com.intellij.debugger.ui.tree.NodeDescriptor;
+import com.intellij.debugger.ui.tree.ValueDescriptor;
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.psi.PsiExpression;
+import com.sun.jdi.*;
+
+/**
+ * @author egor
+ */
+public class BinaryRenderer extends NodeRendererImpl {
+  private static final Logger LOG = Logger.getInstance(BinaryRenderer.class);
+
+  @Override
+  public String calcLabel(ValueDescriptor valueDescriptor, EvaluationContext evaluationContext, DescriptorLabelListener listener)
+    throws EvaluateException {
+    Value value = valueDescriptor.getValue();
+    StringBuilder buf = new StringBuilder();
+
+    if (value == null) {
+      return "null";
+    }
+    else {
+      String prefix = "0b";
+      buf.append(prefix);
+      if (value instanceof LongValue) {
+        buf.append(Long.toBinaryString(((LongValue)value).longValue()));
+      }
+      else if (value instanceof PrimitiveValue) {
+        buf.append(Integer.toBinaryString(((PrimitiveValue)value).intValue()));
+      }
+      else {
+        LOG.assertTrue(false);
+      }
+      // group by 8
+      for (int i = prefix.length() + 8; i < buf.length(); i += 9) {
+        buf.insert(i, '_');
+      }
+      return buf.toString();
+    }
+  }
+
+  @Override
+  public void buildChildren(Value value, ChildrenBuilder builder, EvaluationContext evaluationContext) {}
+
+  @Override
+  public PsiExpression getChildValueExpression(DebuggerTreeNode node, DebuggerContext context) throws EvaluateException {
+    return null;
+  }
+
+  @Override
+  public boolean isExpandable(Value value, EvaluationContext evaluationContext, NodeDescriptor parentDescriptor) {
+    return false;
+  }
+
+  @Override
+  public String getName() {
+    return "Binary";
+  }
+
+  @Override
+  public String getUniqueId() {
+    return "BinaryRenderer";
+  }
+
+  @Override
+  public boolean isApplicable(Type t) {
+    if (t == null) {
+      return false;
+    }
+    return t instanceof ByteType ||
+           t instanceof ShortType ||
+           t instanceof IntegerType ||
+           t instanceof LongType;
+  }
+}