Fix JDK5 class constant handling in ldc

Maintain major/minor class file version from original file

changes.txt

@@ -1,3 +1,12 @@
+2007-10-25
+
+- ClassFileLoader#loadClassFromRessource(): String#replaceAll() -> String#replace()
+- Added BloatingClassLoader#getEditorContext() 
+- CodeArray#visit_ldc: fix for JDK5 class literal constant references
+- ClassFile: maintain original major/minor class format version information
+
+---
+
 - FlowGraph#addHandlerEdges: added visited parameter to keep track of
 blocks already visited to break 'infinite loop' in compiler-generated
 'self-handling' exception handlers since JDK 1.4

src/EDU/purdue/cs/bloat/context/BloatingClassLoader.java

@@ -99,6 +99,10 @@ public abstract class BloatingClassLoader extends URLClassLoader {
 		return this.loader;
 	}
 
+	protected EditorContext getEditorContext() {
+		return context;
+	}
+
 	/**
 	 * This method is invoked as a class is being loaded.
 	 */

src/EDU/purdue/cs/bloat/editor/CodeArray.java

@@ -853,9 +853,19 @@ public class CodeArray implements InstructionVisitor, Opcode {
 			}
 
 			stackHeight += 2;
-
 		} else if (operand instanceof String) {
-			final int index = constants.addConstant(Constant.STRING, operand);
+			int index = constants.addConstant(Constant.STRING, operand);
+			createLDC(index);
+		} else if (operand instanceof Type) {
+			// JDK5+ class literal
+			int index = constants.addConstant(Constant.CLASS, operand);
+			createLDC(index);
+		} else {
+			throw new RuntimeException();
+		}
+	}
+
+	private void createLDC(int index) {
 
 		if (index < 256) {
 			addOpcode(Opcode.opc_ldc);
@@ -866,9 +876,6 @@ public class CodeArray implements InstructionVisitor, Opcode {
 		}
 
 		stackHeight++;
-		} else {
-			throw new RuntimeException();
-		}
 	}
 
 	/*

src/EDU/purdue/cs/bloat/file/ClassFile.java

@@ -60,6 +60,10 @@ public class ClassFile implements ClassInfo {
 
 	private File file; // (.class) File in which this class resides
 
+	private int major = 45;
+
+	private int minor = 3;
+
 	/**
 	 * Constructor. This constructor parses the class file from the input
 	 * stream.
@@ -407,8 +411,8 @@ public class ClassFile implements ClassInfo {
 	 */
 	private void writeHeader(final DataOutputStream out) throws IOException {
 		out.writeInt(0xCAFEBABE);
-		out.writeShort(3);
+		out.writeShort(major);
-		out.writeShort(45);
+		out.writeShort(minor);
 	}
 
 	/**
@@ -650,8 +654,8 @@ public class ClassFile implements ClassInfo {
 			throw new ClassFormatError("Bad magic number.");
 		}
 
-		in.readUnsignedShort(); // major
+		this.major = in.readUnsignedShort(); // major
-		in.readUnsignedShort(); // minor
+		this.minor = in.readUnsignedShort(); // minor
 	}
 
 	/**

src/EDU/purdue/cs/bloat/file/ClassFileLoader.java

@@ -210,7 +210,7 @@ public class ClassFileLoader implements ClassInfoLoader {
      * @return the ClassInfo
      */
     private ClassInfo loadClassFromRessource(String name){
-        name = name.replaceAll("/",".");
+        name = name.replace('/','.');
         try {
             Class clazz = _classSource.loadClass(name);
             int i = name.lastIndexOf('.');