commons-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From kohs...@apache.org
Subject svn commit: r359175 - in /jakarta/commons/sandbox/javaflow/trunk/src/test: Justice.java RewriteTool.java
Date Tue, 27 Dec 2005 05:27:14 GMT
Author: kohsuke
Date: Mon Dec 26 21:27:10 2005
New Revision: 359175

URL: http://svn.apache.org/viewcvs?rev=359175&view=rev
Log:
added two small utility programs used during debuggin. I hope it's OK to put those little
programs in here...

Added:
    jakarta/commons/sandbox/javaflow/trunk/src/test/Justice.java   (with props)
    jakarta/commons/sandbox/javaflow/trunk/src/test/RewriteTool.java   (with props)

Added: jakarta/commons/sandbox/javaflow/trunk/src/test/Justice.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/javaflow/trunk/src/test/Justice.java?rev=359175&view=auto
==============================================================================
--- jakarta/commons/sandbox/javaflow/trunk/src/test/Justice.java (added)
+++ jakarta/commons/sandbox/javaflow/trunk/src/test/Justice.java Mon Dec 26 21:27:10 2005
@@ -0,0 +1,60 @@
+/*
+ * Copyright 1999-2004 The Apache Software Foundation.
+ *
+ * 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.
+ */
+import org.apache.bcel.verifier.VerifierFactory;
+import org.apache.bcel.verifier.Verifier;
+import org.apache.bcel.verifier.VerificationResult;
+import org.apache.bcel.classfile.JavaClass;
+import org.apache.bcel.classfile.ClassParser;
+import org.apache.bcel.Repository;
+
+/**
+ * Reads a class file from stdin and runs BCEL Justice verifier.
+ *
+ * <p>
+ * This is supposed to help us by giving us where the generate byte code is wrong,
+ * but it turns out that this isn't as useful as I hoped for ...
+ *
+ * <h3>Usage</h3>
+ * <pre>
+ * $ cat Foo.class | java Justice
+ * </pre>
+ *
+ * @author Kohsuke Kawaguchi
+ */
+public class Justice {
+    public static void main(String[] args) throws Exception {
+        ClassParser cp = new ClassParser(System.in,null);
+        JavaClass clazz = cp.parse();
+        Repository.addClass(clazz);
+        Verifier v = VerifierFactory.getVerifier(clazz.getClassName());
+
+        System.out.println("Pass 1");
+        report(v.doPass1());
+        System.out.println("Pass 2");
+        report(v.doPass2());
+        for( int i=0; i<clazz.getMethods().length; i++ ) {
+            String name = clazz.getMethods()[i].getName();
+            System.out.println("Pass 3a on "+name);
+            report(v.doPass3a(i));
+            System.out.println("Pass 3b on "+name);
+            report(v.doPass3b(i));
+        }
+    }
+
+    private static void report(VerificationResult r) {
+        System.out.println(r);
+    }
+}

Propchange: jakarta/commons/sandbox/javaflow/trunk/src/test/Justice.java
------------------------------------------------------------------------------
    svn:eol-style = native

Added: jakarta/commons/sandbox/javaflow/trunk/src/test/RewriteTool.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/sandbox/javaflow/trunk/src/test/RewriteTool.java?rev=359175&view=auto
==============================================================================
--- jakarta/commons/sandbox/javaflow/trunk/src/test/RewriteTool.java (added)
+++ jakarta/commons/sandbox/javaflow/trunk/src/test/RewriteTool.java Mon Dec 26 21:27:10 2005
@@ -0,0 +1,40 @@
+/*
+ * Copyright 1999-2004 The Apache Software Foundation.
+ *
+ * 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.
+ */
+import org.apache.commons.javaflow.bytecode.transformation.ResourceTransformer;
+import org.apache.commons.javaflow.bytecode.transformation.asm.AsmClassTransformer;
+import org.apache.commons.javaflow.bytecode.transformation.bcel.BcelClassTransformer;
+import org.apache.commons.io.IOUtils;
+
+import java.io.IOException;
+
+/**
+ * A small test utility for performing a transformation on a single class file.
+ *
+ * <p>
+ * Reads a class file image from stdin, write to stdout.
+ * 
+ * @author Kohsuke Kawaguchi
+ */
+public class RewriteTool {
+    public static void main(String[] args) throws IOException {
+        ResourceTransformer trans = new BcelClassTransformer();
+        if(args.length>0 && args[0].equals("asm"))
+            trans = new AsmClassTransformer();
+
+        byte[] out = trans.transform(IOUtils.toByteArray(System.in));
+        System.out.write(out);
+    }
+}

Propchange: jakarta/commons/sandbox/javaflow/trunk/src/test/RewriteTool.java
------------------------------------------------------------------------------
    svn:eol-style = native



---------------------------------------------------------------------
To unsubscribe, e-mail: commons-dev-unsubscribe@jakarta.apache.org
For additional commands, e-mail: commons-dev-help@jakarta.apache.org


Mime
View raw message