[BCEL-51] LocalVariableTable.getLocalVariable isn't good enough

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 5.1
• Fix Version/s: 5.2
• Component/s: Main
• External issue URL: https://issues.apache.org/bugzilla/show_bug.cgi?id=32077
• External issue ID: 32077
• Assignee: Apache Commons Developers
• Reporter: David Brosius
• Created: 05/Nov/04 05:45
• Updated: 24/Apr/14 12:34
• Resolved: 09/Feb/05 22:13

Description

This patch, adds another method to LocalVariableTable that looks up a
LocalVariable by index AND PC.

Index: src/java/org/apache/bcel/classfile/LocalVariableTable.java
===================================================================
RCS file: /home/cvspublic/jakarta-
bcel/src/java/org/apache/bcel/classfile/LocalVariableTable.java,v
retrieving revision 1.3
diff -u -r1.3 LocalVariableTable.java
--- src/java/org/apache/bcel/classfile/LocalVariableTable.java	23 May 2003 
07:55:12 -0000	1.3
+++ src/java/org/apache/bcel/classfile/LocalVariableTable.java	5 Nov 2004 
05:39:25 -0000
@@ -155,6 +155,19 @@
     return null;
   }
 
+  /** @return matching variable using index when variable is used at supplied 
pc
+   */
+  public final LocalVariable getLocalVariable(int index, int pc) {
+    for(int i=0; i < local_variable_table_length; i++)
+      if(local_variable_table[i].getIndex() == index) {
+        int start_pc = local_variable_table[i].getStartPC();
+        int end_pc = start_pc + local_variable_table[i].getLength();
+	      return local_variable_table[i];
+	  }
+
+    return null;
+  }
+  
   public final void setLocalVariableTable(LocalVariable[] 
local_variable_table)
   {
     this.local_variable_table = local_variable_table;