Examples with Attribute org.objectweb.asm.Attribute used on opensource projects

Example 1 with Attribute

use of org.objectweb.asm.Attribute in project sonar-java by SonarSource.

the class AsmExample method main.

public static void main(String[] args) throws Exception {
    ClassVisitor cv = new ClassVisitor(Opcodes.ASM5) {

        @Override
        public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
            System.out.println("CLASS");
            System.out.println("access: " + asFlagSet(access));
            System.out.println("name: " + name);
            System.out.println("signature: " + signature);
            System.out.println("superName: " + superName);
            System.out.println("interfaces: " + Arrays.toString(interfaces));
            System.out.println();
        }

        @Override
        public void visitSource(String source, String debug) {
            System.out.println("SOURCE");
            System.out.println();
        }

        @Override
        public void visitOuterClass(String owner, String name, String desc) {
            System.out.println("OUTER CLASS");
            System.out.println("owner: " + owner);
            System.out.println("name: " + name);
            System.out.println("desc: " + desc);
            System.out.println();
        }

        @Override
        public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
            System.out.println("ANNOTATION");
            System.out.println("desc: " + desc);
            System.out.println("visible: " + visible);
            return null;
        }

        @Override
        public void visitAttribute(Attribute attr) {
            System.out.println("ATTRIBUTE");
            System.out.println();
        }

        @Override
        public void visitInnerClass(String name, String outerName, String innerName, int access) {
            System.out.println("INNER CLASS");
            System.out.println("access: " + asFlagSet(access));
            System.out.println("name: " + name);
            System.out.println("outerName: " + outerName);
            System.out.println("innerName: " + innerName);
            System.out.println();
        }

        @Override
        public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
            System.out.println("FIELD");
            System.out.println("access: " + asFlagSet(access));
            System.out.println("name: " + name);
            System.out.println("desc: " + desc);
            System.out.println("signature: " + desc);
            System.out.println();
            return null;
        }

        @Override
        public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
            System.out.println("METHOD");
            System.out.println("access: " + asFlagSet(access));
            System.out.println("name: " + name);
            System.out.println("desc: " + desc);
            System.out.println("signature: " + desc);
            System.out.println("exceptions: " + Arrays.toString(exceptions));
            System.out.println();
            return null;
        }

        @Override
        public void visitEnd() {
            System.out.println("END");
        }

        public EnumSet<Flag> asFlagSet(int flags) {
            EnumSet<Flag> result = EnumSet.noneOf(Flag.class);
            int mask = 1;
            for (int i = 0; i < 15; i++) {
                if ((flags & mask) != 0) {
                    result.add(Flag.values()[i]);
                }
                mask = mask << 1;
            }
            return result;
        }
    };
    InputStream in = AsmExample.class.getResourceAsStream("/org/sonar/java/resolve/AsmExample.class");
    ClassReader classReader = new ClassReader(in);
    classReader.accept(cv, 0);
}

Example 2 with Attribute

use of org.objectweb.asm.Attribute in project bytecode-viewer by Konloch.

the class ClassNodeDecompiler method decompile.

public static PrefixedStringBuilder decompile(PrefixedStringBuilder sb, List<String> decompiledClasses, ClassNode cn) {
    List<String> unableToDecompile = new ArrayList<>();
    decompiledClasses.add(cn.name);
    sb.append(getAccessString(cn.access));
    sb.append(" ");
    sb.append(cn.name);
    if (cn.superName != null && !cn.superName.equals("java/lang/Object")) {
        sb.append(" extends ");
        sb.append(cn.superName);
    }
    int amountOfInterfaces = cn.interfaces.size();
    if (amountOfInterfaces > 0) {
        sb.append(" implements ");
        sb.append(cn.interfaces.get(0));
        for (int i = 1; i < amountOfInterfaces; i++) {
            sb.append(", ");
            sb.append(cn.interfaces.get(i));
        }
    }
    sb.append(" {");
    sb.append(nl);
    sb.append("     ");
    sb.append("<ClassVersion=" + cn.version + ">");
    sb.append(nl);
    if (cn.sourceDebug != null) {
        sb.append("     ");
        sb.append("<SourceDebug=" + cn.sourceDebug + ">");
        sb.append(nl);
    }
    if (cn.sourceFile != null) {
        sb.append("     ");
        sb.append("<SourceFile=" + cn.sourceFile + ">");
        sb.append(nl);
    }
    if (cn.signature != null) {
        sb.append("     ");
        sb.append("<Sig=" + cn.signature + ">");
    }
    for (FieldNode fn : cn.fields) {
        sb.append(nl);
        sb.append("     ");
        FieldNodeDecompiler.decompile(sb, fn);
    }
    if (cn.fields.size() > 0) {
        sb.append(nl);
    }
    for (MethodNode mn : cn.methods) {
        sb.append(nl);
        MethodNodeDecompiler.decompile(sb, mn, cn);
    }
    for (InnerClassNode o : cn.innerClasses) {
        String innerClassName = o.name;
        if ((innerClassName != null) && !decompiledClasses.contains(innerClassName)) {
            decompiledClasses.add(innerClassName);
            ClassNode cn1 = BytecodeViewer.blindlySearchForClassNode(innerClassName);
            if (cn1 != null) {
                sb.appendPrefix("     ");
                sb.append(nl + nl);
                sb = decompile(sb, decompiledClasses, cn1);
                sb.trimPrefix(5);
                sb.append(nl);
            } else {
                unableToDecompile.add(innerClassName);
            }
        }
    }
    if (!unableToDecompile.isEmpty()) {
        sb.append("// The following inner classes couldn't be decompiled: ");
        for (String s : unableToDecompile) {
            sb.append(s);
            sb.append(" ");
        }
        sb.append(nl);
    }
    if (cn.attrs != null) {
        sb.append(nl);
        for (Attribute attr : cn.attrs) {
            // TODO: finish attributes
            // + attr.content.toString());
            sb.append(attr.type + ": ");
        }
    }
    // sb.append(BytecodeViewer.nl);
    sb.append("}");
    // " with prefix length: " + sb.prefix.length());
    return sb;
}

Example 3 with Attribute

use of org.objectweb.asm.Attribute in project robovm by robovm.

the class ObjCProtocolProxyPlugin method generateProxyMethods.

private void generateProxyMethods(Config config, List<String> interfazes, ClassWriter cw) throws IOException {
    Clazzes clazzes = config.getClazzes();
    final Set<String> addedMethods = new HashSet<>();
    for (String interfaze : interfazes) {
        Clazz clazz = clazzes.load(interfaze);
        if (clazz == null) {
            continue;
        }
        // Copy all abstract method (we skip default methods) to the proxy 
        // and make them native instead of abstract.
        ClassReader classReader = new ClassReader(clazz.getBytes());
        classReader.accept(new ClassVisitor(ASM4, cw) {

            @Override
            public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
                String key = name + desc;
                if ((access & ACC_ABSTRACT) > 0 && !addedMethods.contains(key)) {
                    access &= ~ACC_ABSTRACT;
                    access |= ACC_NATIVE;
                    addedMethods.add(key);
                    return super.visitMethod(access, name, desc, signature, exceptions);
                }
                return null;
            }

            @Override
            public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
            // Ignored
            }

            @Override
            public void visitEnd() {
            // Ignored
            }

            @Override
            public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
                // Ignored
                return null;
            }

            @Override
            public void visitAttribute(Attribute attr) {
            // Ignored
            }

            @Override
            public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
                // Ignored
                return null;
            }

            @Override
            public void visitInnerClass(String name, String outerName, String innerName, int access) {
            // Ignored
            }

            @Override
            public void visitOuterClass(String owner, String name, String desc) {
            // Ignored
            }

            @Override
            public void visitSource(String source, String debug) {
            // Ignored
            }
        }, 0);
    }
}

Example 4 with Attribute

use of org.objectweb.asm.Attribute in project jacoco by jacoco.

the class ClassAnalyzerTest method should_collect_attributes.

@Test
public void should_collect_attributes() {
    assertTrue(analyzer.getClassAttributes().isEmpty());
    analyzer.visitAttribute(new Attribute("foo") {
    });
    assertTrue(analyzer.getClassAttributes().contains("foo"));
}

Example 5 with Attribute

use of org.objectweb.asm.Attribute in project maple-ir by LLVM-but-worse.

the class ASMPrinter method emitLiteral.

@Override
public void emitLiteral(Object o) {
    if (o instanceof AnnotationNode) {
        AnnotationNode an = (AnnotationNode) o;
        Map<Object, Object> map = new HashMap<>();
        map.put("desc", an.desc);
        if (isNonEmpty(an.values)) {
            List<Object> valuesList = new ArrayList<>();
            List<Object> realValues = an.values;
            if ((realValues.size() % 2) != 0) {
                throw new IllegalStateException(String.format("AN values: %s", realValues));
            }
            for (int i = 0; i < realValues.size() / 2; i++) {
                int j = (i * 2);
                String key = (String) realValues.get(j);
                Object val = realValues.get(j + 1);
                Map<String, Object> innerMap = new HashMap<>();
                innerMap.put(key, val);
                valuesList.add(innerMap);
            }
            map.put("values", valuesList);
        }
        this.emitDirectiveValue(map);
    } else if (o instanceof Attribute) {
        Attribute attr = (Attribute) o;
        Map<String, Object> map = new HashMap<>();
        map.put("type", attr.type);
        // TODO: check
        map.put("values", new String(attr.value));
        this.emitDirectiveValue(map);
        throw new UnsupportedOperationException("TODO");
    } else if (o instanceof Type) {
        this.sw.print("T\"").print(o.toString()).print("\"");
    } else {
        super.emitLiteral(o);
    }
}