org.objectweb.asm.util

Class CheckClassAdapter

public class CheckClassAdapter extends ClassAdapter

A {@link ClassAdapter} that checks that its methods are properly used. More precisely this class adapter checks each method call individually, based only on its arguments, but does not check the sequence of method calls. For example, the invalid sequence visitField(ACC_PUBLIC, "i", "I", null) visitField(ACC_PUBLIC, "i", "D", null) will not be detected by this class adapter.

Author: Eric Bruneton

Constructor Summary
CheckClassAdapter(ClassVisitor cv)
Constructs a new {@link CheckClassAdapter}.
Method Summary
static voidmain(String[] args)
Checks a given class.
static voidverify(ClassReader cr, boolean dump, PrintWriter pw)
Checks a given class
voidvisit(int version, int access, String name, String signature, String superName, String[] interfaces)
AnnotationVisitorvisitAnnotation(String desc, boolean visible)
voidvisitAttribute(Attribute attr)
voidvisitEnd()
FieldVisitorvisitField(int access, String name, String desc, String signature, Object value)
voidvisitInnerClass(String name, String outerName, String innerName, int access)
MethodVisitorvisitMethod(int access, String name, String desc, String signature, String[] exceptions)
voidvisitOuterClass(String owner, String name, String desc)
voidvisitSource(String file, String debug)

Constructor Detail

CheckClassAdapter

public CheckClassAdapter(ClassVisitor cv)
Constructs a new {@link CheckClassAdapter}.

Parameters: cv the class visitor to which this adapter must delegate calls.

Method Detail

main

public static void main(String[] args)
Checks a given class.

Usage: CheckClassAdapter <fully qualified class name or class file name>

Parameters: args the command line arguments.

Throws: Exception if the class cannot be found, or if an IO exception occurs.

verify

public static void verify(ClassReader cr, boolean dump, PrintWriter pw)
Checks a given class

Parameters: cr a ClassReader that contains bytecode for the analysis. dump true if bytecode should be printed out not only when errors are found. pw write where results going to be printed

visit

public void visit(int version, int access, String name, String signature, String superName, String[] interfaces)

visitAnnotation

public AnnotationVisitor visitAnnotation(String desc, boolean visible)

visitAttribute

public void visitAttribute(Attribute attr)

visitEnd

public void visitEnd()

visitField

public FieldVisitor visitField(int access, String name, String desc, String signature, Object value)

visitInnerClass

public void visitInnerClass(String name, String outerName, String innerName, int access)

visitMethod

public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions)

visitOuterClass

public void visitOuterClass(String owner, String name, String desc)

visitSource

public void visitSource(String file, String debug)