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extended with a bit more configurability

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This commit is contained in:
Andy Clement
2014-06-06 12:32:35 -07:00
parent 001c21bf26
commit 55a1ffd690
2 changed files with 27 additions and 10 deletions
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24
springloaded/src/main/java/org/springsource/loaded/test/infra/ClassPrinter.java
View File

@@ -36,20 +36,23 @@ public class ClassPrinter extends ClassVisitor implements Opcodes {
private PrintStream destination;
private boolean includeBytecode;
private int includeFlags = 0x0000;
public final static int INCLUDE_BYTECODE = 0x0001;
public final static int INCLUDE_LINE_NUMBERS = 0x0002;
public static void main(String[] argv) throws Exception {
ClassReader reader = new ClassReader(Utils.loadBytesFromStream(new FileInputStream(new File(argv[0]))));
reader.accept(new ClassPrinter(System.out, true), 0);
reader.accept(new ClassPrinter(System.out, INCLUDE_BYTECODE), 0);
}
public ClassPrinter(PrintStream destination) {
this(destination, true);
this(destination, INCLUDE_BYTECODE);
}
public ClassPrinter(PrintStream destination, boolean includeBytecode) {
public ClassPrinter(PrintStream destination, int includeFlags) {
super(ASM5);
this.destination = destination;
this.includeBytecode = includeBytecode;
this.includeFlags = includeFlags;
}
public static void print(String message, byte[] bytes) {
@@ -60,15 +63,20 @@ public class ClassPrinter extends ClassVisitor implements Opcodes {
public static void print(byte[] bytes) {
print(bytes, true);
}
public static void print(byte[] bytes, int includeFlags) {
ClassReader reader = new ClassReader(bytes);
reader.accept(new ClassPrinter(System.out, includeFlags), 0);
}
public static void print(byte[] bytes, boolean includeBytecode) {
ClassReader reader = new ClassReader(bytes);
reader.accept(new ClassPrinter(System.out, includeBytecode), 0);
reader.accept(new ClassPrinter(System.out, includeBytecode?INCLUDE_BYTECODE:0), 0);
}
public static void print(PrintStream printStream, byte[] bytes, boolean includeBytecode) {
ClassReader reader = new ClassReader(bytes);
reader.accept(new ClassPrinter(printStream, includeBytecode), 0);
reader.accept(new ClassPrinter(printStream, includeBytecode?INCLUDE_BYTECODE:0), 0);
}
public static void print(String message, byte[] bytes, boolean includeBytecode) {
@@ -242,7 +250,7 @@ public class ClassPrinter extends ClassVisitor implements Opcodes {
StringBuilder s = new StringBuilder();
s.append("METHOD: " + toHex(access, 4) + "(" + toAccessForMember(access) + ") " + name + desc + " " + fromArray(exceptions));
destination.println(s.toString().trim());
return includeBytecode ? new MethodPrinter(destination) : null;
return (includeFlags&INCLUDE_BYTECODE)!=0 ? new MethodPrinter(destination,includeFlags) : null;
}
private String fromArray(Object[] os) {

13
springloaded/src/main/java/org/springsource/loaded/test/infra/MethodPrinter.java
View File

@@ -34,7 +34,7 @@ import org.springsource.loaded.Utils;
public class MethodPrinter extends MethodVisitor implements Opcodes {
PrintStream to;
int includeFlags;
List<Label> labels = new ArrayList<Label>();
private String toString(Label label) {
@@ -45,9 +45,14 @@ public class MethodPrinter extends MethodVisitor implements Opcodes {
labels.add(label);
return "L" + labels.indexOf(label);
}
public MethodPrinter(PrintStream destination) {
this(destination,0);
}
public MethodPrinter(PrintStream destination, int includeFlags) {
super(ASM5);
this.includeFlags = includeFlags;
this.to = destination;
}
@@ -121,6 +126,7 @@ public class MethodPrinter extends MethodVisitor implements Opcodes {
}
public void visitAttribute(Attribute attr) {
to.println(" ATTRIBUTE: "+attr);
}
public void visitEnd() {
@@ -167,6 +173,9 @@ public class MethodPrinter extends MethodVisitor implements Opcodes {
}
public void visitLineNumber(int line, Label start) {
if ((includeFlags & ClassPrinter.INCLUDE_LINE_NUMBERS)!=0) {
to.println(" LINE:"+line);
}
}
public void visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index) {