1 files changed, 127 insertions, 0 deletions
diff --git a/asm-tree/src/main/java/org/objectweb/asm/tree/TryCatchBlockNode.java b/asm-tree/src/main/java/org/objectweb/asm/tree/TryCatchBlockNode.java
new file mode 100644
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+++ b/asm-tree/src/main/java/org/objectweb/asm/tree/TryCatchBlockNode.java
@@ -0,0 +1,127 @@
+// ASM: a very small and fast Java bytecode manipulation framework
+// Copyright (c) 2000-2011 INRIA, France Telecom
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. Neither the name of the copyright holders nor the names of its
+//    contributors may be used to endorse or promote products derived from
+//    this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+package org.objectweb.asm.tree;
+
+import java.util.List;
+import org.objectweb.asm.MethodVisitor;
+
+/**
+ * A node that represents a try catch block.
+ *
+ * @author Eric Bruneton
+ */
+public class TryCatchBlockNode {
+
+  /** The beginning of the exception handler's scope (inclusive). */
+  public LabelNode start;
+
+  /** The end of the exception handler's scope (exclusive). */
+  public LabelNode end;
+
+  /** The beginning of the exception handler's code. */
+  public LabelNode handler;
+
+  /**
+   * The internal name of the type of exceptions handled by the handler. May be {@literal null} to
+   * catch any exceptions (for "finally" blocks).
+   */
+  public String type;
+
+  /** The runtime visible type annotations on the exception handler type. May be {@literal null}. */
+  public List<TypeAnnotationNode> visibleTypeAnnotations;
+
+  /**
+   * The runtime invisible type annotations on the exception handler type. May be {@literal null}.
+   */
+  public List<TypeAnnotationNode> invisibleTypeAnnotations;
+
+  /**
+   * Constructs a new {@link TryCatchBlockNode}.
+   *
+   * @param start the beginning of the exception handler's scope (inclusive).
+   * @param end the end of the exception handler's scope (exclusive).
+   * @param handler the beginning of the exception handler's code.
+   * @param type the internal name of the type of exceptions handled by the handler (see {@link
+   *     org.objectweb.asm.Type#getInternalName()}), or {@literal null} to catch any exceptions (for
+   *     "finally" blocks).
+   */
+  public TryCatchBlockNode(
+      final LabelNode start, final LabelNode end, final LabelNode handler, final String type) {
+    this.start = start;
+    this.end = end;
+    this.handler = handler;
+    this.type = type;
+  }
+
+  /**
+   * Updates the index of this try catch block in the method's list of try catch block nodes. This
+   * index maybe stored in the 'target' field of the type annotations of this block.
+   *
+   * @param index the new index of this try catch block in the method's list of try catch block
+   *     nodes.
+   */
+  public void updateIndex(final int index) {
+    int newTypeRef = 0x42000000 | (index << 8);
+    if (visibleTypeAnnotations != null) {
+      for (int i = 0, n = visibleTypeAnnotations.size(); i < n; ++i) {
+        visibleTypeAnnotations.get(i).typeRef = newTypeRef;
+      }
+    }
+    if (invisibleTypeAnnotations != null) {
+      for (int i = 0, n = invisibleTypeAnnotations.size(); i < n; ++i) {
+        invisibleTypeAnnotations.get(i).typeRef = newTypeRef;
+      }
+    }
+  }
+
+  /**
+   * Makes the given visitor visit this try catch block.
+   *
+   * @param methodVisitor a method visitor.
+   */
+  public void accept(final MethodVisitor methodVisitor) {
+    methodVisitor.visitTryCatchBlock(
+        start.getLabel(), end.getLabel(), handler == null ? null : handler.getLabel(), type);
+    if (visibleTypeAnnotations != null) {
+      for (int i = 0, n = visibleTypeAnnotations.size(); i < n; ++i) {
+        TypeAnnotationNode typeAnnotation = visibleTypeAnnotations.get(i);
+        typeAnnotation.accept(
+            methodVisitor.visitTryCatchAnnotation(
+                typeAnnotation.typeRef, typeAnnotation.typePath, typeAnnotation.desc, true));
+      }
+    }
+    if (invisibleTypeAnnotations != null) {
+      for (int i = 0, n = invisibleTypeAnnotations.size(); i < n; ++i) {
+        TypeAnnotationNode typeAnnotation = invisibleTypeAnnotations.get(i);
+        typeAnnotation.accept(
+            methodVisitor.visitTryCatchAnnotation(
+                typeAnnotation.typeRef, typeAnnotation.typePath, typeAnnotation.desc, false));
+      }
+    }
+  }
+}