From 33894b1cae728946d3363b5ad27fcbfcf33c86d1 Mon Sep 17 00:00:00 2001
From: chiba <chiba@30ef5769-5b8d-40dd-aea6-55b5d6557bb3>
Date: Wed, 31 Dec 2003 05:56:29 +0000
Subject: CtBehavior#insertAt() and support methods have been implemented.

git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@63 30ef5769-5b8d-40dd-aea6-55b5d6557bb3
---
 src/main/javassist/bytecode/LocalVariableAttribute.java | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/main/javassist/bytecode/LocalVariableAttribute.java')

diff --git a/src/main/javassist/bytecode/LocalVariableAttribute.java b/src/main/javassist/bytecode/LocalVariableAttribute.java
index 74262b67..0bc273d5 100644
--- a/src/main/javassist/bytecode/LocalVariableAttribute.java
+++ b/src/main/javassist/bytecode/LocalVariableAttribute.java
@@ -68,6 +68,22 @@ public class LocalVariableAttribute extends AttributeInfo {
         return ByteArray.readU16bit(info, i * 10 + 4);
     }
 
+    /**
+     * Adjusts start_pc and length if bytecode is inserted in a method body.
+     */
+    void shiftPc(int where, int gapLength, boolean exclusive) {
+        int n = tableLength();
+        for (int i = 0; i < n; ++i) {
+            int pos = i * 10 + 2;
+            int pc = ByteArray.readU16bit(info, pos);
+            int len = ByteArray.readU16bit(info, pos + 2);
+            if (pc > where || (exclusive && pc == where))
+                ByteArray.write16bit(pc + gapLength, info, pos);
+            else if (pc + len > where)
+                ByteArray.write16bit(len + gapLength, info, pos + 2);
+        }
+    }
+
     /**
      * Returns <code>local_variable_table[i].name_index</code>.
      * This represents the name of the local variable.
-- 
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