[Fb-contrib-commit] SF.net SVN: fb-contrib: [415] trunk/fb-contrib/src/com/mebigfatguy/fbcontrib/detect/StaticMethodInstanceInvocation.java

[<dbr...@us...>]

Revision: 415
Author:   dbrosius
Date:     2006-04-08 07:19:15 -0700 (Sat, 08 Apr 2006)
ViewCVS:  http://svn.sourceforge.net/fb-contrib/?rev=415&view=rev

Log Message:
-----------
prescreen for INVOKESTATIC opcodes

Modified Paths:
--------------
    trunk/fb-contrib/src/com/mebigfatguy/fbcontrib/detect/StaticMethodInstanceInvocation.java
Modified: trunk/fb-contrib/src/com/mebigfatguy/fbcontrib/detect/StaticMethodInstanceInvocation.java
===================================================================
--- trunk/fb-contrib/src/com/mebigfatguy/fbcontrib/detect/StaticMethodInstanceInvocation.java	2006-04-08 14:18:47 UTC (rev 414)
+++ trunk/fb-contrib/src/com/mebigfatguy/fbcontrib/detect/StaticMethodInstanceInvocation.java	2006-04-08 14:19:15 UTC (rev 415)
@@ -19,14 +19,19 @@
 package com.mebigfatguy.fbcontrib.detect;
 
 import java.util.ArrayList;
+import java.util.BitSet;
 import java.util.Iterator;
 import java.util.List;
 
+import org.apache.bcel.Constants;
 import org.apache.bcel.Repository;
+import org.apache.bcel.classfile.Code;
 import org.apache.bcel.classfile.JavaClass;
 import org.apache.bcel.classfile.Method;
 import org.apache.bcel.generic.Type;
 
+import com.mebigfatguy.fbcontrib.utils.VersionTransition;
+
 import edu.umd.cs.findbugs.BugInstance;
 import edu.umd.cs.findbugs.BugReporter;
 import edu.umd.cs.findbugs.BytecodeScanningDetector;
@@ -61,15 +66,29 @@
 	}
 	
 	/**
+	 * looks for methods that contain a INVOKESTATIC opcodes
+	 * 
+	 * @param method the context object of the current method
+	 * @return if the class uses synchronization
+	 */
+	public boolean prescreen(Method method) {
+		BitSet bytecodeSet = VersionTransition.getBytecodeSet(getClassContext(), method);
+		return (bytecodeSet != null) && (bytecodeSet.get(Constants.INVOKESTATIC));
+	}
+
+	/**
 	 * implement the visitor to reset the stack
 	 * 
 	 * @param obj the context object of the currently parsed method
 	 */
 	@Override
-	public void visitMethod(Method obj) {
-		stack.resetForMethodEntry(this);
-		popStack.clear();
-		super.visitMethod(obj);
+	public void visitCode(Code obj) {
+		Method m = getMethod();
+		if (prescreen(m)) {
+			stack.resetForMethodEntry(this);
+			popStack.clear();
+			super.visitCode(obj);
+		}
 	}
 	
 	/**


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