Example usage for org.objectweb.asm Opcodes ACC_STATIC

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ACC_STATIC.

Prototype

int ACC_STATIC

To view the source code for org.objectweb.asm Opcodes ACC_STATIC.

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Usage

From source file:com.google.devtools.depan.java.bytecode.impl.ClassDepLister.java

License:Apache License

@Override
public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
    TypeElement type = TypeNameUtil.fromDescriptor(desc);
    FieldElement field = new FieldElement(name, type, mainClass);

    // simple className
    builder.newDep(mainClass, type, JavaRelation.TYPE);

    // field//  w  ww  .  j av  a2s. c  o m
    JavaRelation r = null;
    if ((Opcodes.ACC_STATIC & access) != 0) {
        r = JavaRelation.STATIC_FIELD;
    } else {
        r = JavaRelation.MEMBER_FIELD;
    }
    builder.newDep(mainClass, field, r);

    // generic types in signature
    // TODO(ycoppel): how to get types in generics ? (signature)

    return asmFactory.getGenericFieldVisitor();
}

---

From source file:com.google.devtools.depan.java.bytecode.impl.ClassDepLister.java

License:Apache License

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

    // the method itself
    MethodElement m = new MethodElement(desc, name, mainClass);

    JavaRelation r = null;/*from   w  w  w.ja v  a  2  s. c o  m*/
    if ((Opcodes.ACC_STATIC & access) != 0) {
        r = JavaRelation.STATIC_METHOD;
    } else {
        r = JavaRelation.MEMBER_METHOD;
    }
    builder.newDep(mainClass, m, r);

    // arguments dependencies
    for (Type t : Type.getArgumentTypes(desc)) {
        builder.newDep(m, TypeNameUtil.fromDescriptor(t.getDescriptor()), JavaRelation.TYPE);
    }

    // return-type dependency
    TypeElement type = TypeNameUtil.fromDescriptor(Type.getReturnType(desc).getDescriptor());
    builder.newDep(m, type, JavaRelation.READ);

    return asmFactory.buildMethodVisitor(builder, m);
}

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From source file:com.google.gwt.dev.javac.asm.CollectClassData.java

License:Apache License

/**
 * Called once for every inner class of this class.
 *
 * @param internalName internal name of inner class (ie, com/google/Foo$1)
 * @param enclosingInternalName internal name of enclosing class (null if not a member
 *          class or anonymous)//  www  . j  av a  2s  .  co m
 * @param innerName simple name of the inner class (null if anonymous)
 * @param access access flags (bitwise or of Opcodes.ACC_*) as declared in the
 *          enclosing class
 */
@Override
public void visitInnerClass(String internalName, String enclosingInternalName, String innerName, int access) {

    buildNestedSourceName(internalName, enclosingInternalName, innerName);

    // If this inner class is ourselves, take the access flags defined in the InnerClass attribute.
    if (this.internalName.equals(internalName)) {
        if (enclosingInternalName != null) {
            this.enclosingInternalName = enclosingInternalName;
        }
        this.access = access;
        boolean isStatic = (access & Opcodes.ACC_STATIC) != 0;
        switch (classType) {
        case TopLevel:
            classType = isStatic ? ClassType.Nested : ClassType.Inner;
            break;
        case Anonymous:
            if (innerName != null) {
                classType = ClassType.Local;
            }
            break;
        case Inner:
            // Already marked as inner class by the synthetic this$1 field
            break;
        default:
            throw new IllegalStateException("Unexpected INNERCLASS with type of " + classType);
        }
    }
}

---

From source file:com.google.gwt.dev.javac.asm.CollectClassDataTest.java

License:Apache License

public void testOne() {
    CollectClassData cd = collect(One.class);
    // Don't check for super bit, as it will depend on the JDK used to compile.
    assertEquals(Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC, cd.getAccess() & ~Opcodes.ACC_SUPER);
    assertEquals(ClassType.Nested, cd.getClassType());
    assertEquals(0, cd.getFields().size());
    assertEquals(0, cd.getInterfaceInternalNames().length);
    assertEquals(0, cd.getAnnotations().size());
    assertEquals("com/google/gwt/dev/javac/asmbridge/EmptyVisitor", cd.getSuperInternalName());
    assertEquals("CollectClassDataTest.One", cd.getNestedSourceName());

    List<CollectMethodData> methods = cd.getMethods();
    assertEquals(2, methods.size());/*from  www . j  av  a2s. c o m*/
    // TODO(jat): Is it safe to assume the implicit constructor is always first?
    CollectMethodData method = methods.get(0);
    Type[] argTypes = method.getArgTypes();
    String[] argNames = method.getArgNames();
    assertEquals("<init>", method.getName());
    assertEquals(0, argTypes.length);
    assertEquals(0, argNames.length);
    assertEquals(0, method.getArgAnnotations().length);
    assertEquals(0, method.getAnnotations().size());
    assertEquals(0, method.getExceptions().length);

    method = methods.get(1);
    argTypes = method.getArgTypes();
    argNames = method.getArgNames();
    assertEquals("visitAnnotation", method.getName());
    assertEquals(2, argTypes.length);
    assertEquals("java.lang.String", argTypes[0].getClassName());
    assertEquals("boolean", argTypes[1].getClassName());
    assertEquals(2, argNames.length);
    assertEquals("desc", argNames[0]);
    assertEquals("visible", argNames[1]);
    assertEquals(2, method.getArgAnnotations().length);
    assertEquals(0, method.getArgAnnotations()[0].size());
    assertEquals(0, method.getArgAnnotations()[1].size());
    // Note that @Override is a source-only annotation
    assertEquals(0, method.getAnnotations().size());
    assertEquals(0, method.getExceptions().length);
}

---

From source file:com.google.gwt.dev.javac.asm.CollectClassDataTest.java

License:Apache License

public void testTwo() {
    CollectClassData cd = collect(Two.class);
    // Don't check for super bit, as it will depend on the JDK used to compile.
    assertEquals(Opcodes.ACC_PROTECTED | Opcodes.ACC_STATIC, cd.getAccess() & ~Opcodes.ACC_SUPER);
    assertEquals(ClassType.Nested, cd.getClassType());
    List<CollectFieldData> fields = cd.getFields();
    assertEquals(2, fields.size());/*from  ww  w .  j a  v  a2s  . c  o  m*/
    CollectFieldData field = fields.get(0);
    assertEquals("field", field.getName());
    assertEquals("Ljava/lang/String;", field.getDesc());
    List<CollectAnnotationData> annotations = field.getAnnotations();
    assertEquals(0, annotations.size());
    field = fields.get(1);
    assertEquals("annotatedField", field.getName());
    assertEquals("Ljava/lang/String;", field.getDesc());
    annotations = field.getAnnotations();
    assertEquals(1, annotations.size());
    AnnotationData annotation = annotations.get(0).getAnnotation();
    assertEquals("Lcom/google/gwt/dev/javac/typemodel/test/TestAnnotation;", annotation.getDesc());
    assertEquals("field", annotation.getValues().get("value"));
    assertEquals(0, cd.getInterfaceInternalNames().length);
    annotations = cd.getAnnotations();
    assertEquals(1, annotations.size());
    annotation = annotations.get(0).getAnnotation();
    assertEquals("Lcom/google/gwt/dev/javac/typemodel/test/PrimitiveValuesAnnotation;", annotation.getDesc());
    assertEquals(Byte.valueOf((byte) 42), annotation.getValues().get("b"));
    assertEquals(42, annotation.getValues().get("i"));
    assertEquals("java/lang/Object", cd.getSuperInternalName());
    assertEquals("CollectClassDataTest.Two", cd.getNestedSourceName());

    List<CollectMethodData> methods = cd.getMethods();
    assertEquals(3, methods.size());
    // TODO(jat): Is it safe to assume the order?
    CollectMethodData method = methods.get(0);
    Type[] argTypes = method.getArgTypes();
    String[] argNames = method.getArgNames();
    assertEquals("<init>", method.getName());
    assertEquals(1, argTypes.length);
    assertEquals(1, argNames.length);
    assertEquals(1, method.getArgAnnotations().length);
    assertEquals(0, method.getAnnotations().size());
    assertEquals(0, method.getExceptions().length);

    method = methods.get(1);
    argTypes = method.getArgTypes();
    argNames = method.getArgNames();
    assertEquals("foo", method.getName());
    assertEquals(1, argTypes.length);
    assertEquals("int", argTypes[0].getClassName());
    assertEquals(1, argNames.length);
    assertEquals("a", argNames[0]);
    assertEquals(1, method.getArgAnnotations().length);
    assertEquals(0, method.getArgAnnotations()[0].size());
    assertEquals(1, method.getAnnotations().size());
    assertEquals(1, method.getExceptions().length);

    method = methods.get(2);
    argTypes = method.getArgTypes();
    argNames = method.getArgNames();
    assertEquals("<init>", method.getName());
    assertEquals(2, argTypes.length);
    assertEquals("int", argTypes[0].getClassName());
    assertEquals("java.lang.String", argTypes[1].getClassName());
    assertEquals(2, argNames.length);
    assertEquals("a", argNames[0]);
    assertEquals("b", argNames[1]);
    assertEquals(2, method.getArgAnnotations().length);
    assertEquals(0, method.getArgAnnotations()[0].size());
    assertEquals(0, method.getArgAnnotations()[1].size());
    assertEquals(0, method.getAnnotations().size());
    assertEquals(0, method.getExceptions().length);
}

---

From source file:com.google.gwt.dev.javac.asm.CollectMethodData.java

License:Apache License

@Override
public void visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index) {
    // The incoming index is based on counting long and double
    // arguments as taking up two slots.  For example, a method 'm(int
    // a, long b, String c, double d, Object e)' will call this method
    // with indices 0, 1, 3, 4, 6 (ignoring 'this' for the sake of the
    // example).  To compensate, we set a counter to 0 at the first
    // argument of each method and increment it for each long or
    // double argument we encounter.  Then each incoming index is
    // adjusted down by the value of the counter to obtain a simple
    // index./*  w ww . jav a  2s .c  o  m*/
    if (index == 0) {
        longDoubleCounter = 0;
    } else {
        index -= longDoubleCounter;
    }

    if ((access & Opcodes.ACC_STATIC) == 0) {
        // adjust for "this"
        // TODO(jat): do we need to account for this$0 in inner classes?
        --index;
    }
    // TODO(jat): is it safe to assume parameter slots don't get reused?
    // Do we need to check if the name has already been assigned?
    if (index >= 0 && index < argNames.length) {
        actualArgNames = true;
        argNames[index] = name;
    }

    // Adjust the counter
    if ("J".equals(desc) || "D".equals(desc)) {
        longDoubleCounter++;
    }
}

---

From source file:com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.java

License:Apache License

/**
 * Returns true if this class is a non-static class inside a generic class.
 *///from   w  w w.  jav  a 2  s. c  om
// TODO(jat): do we need to consider the entire hierarchy?
private static boolean nonStaticInsideGeneric(CollectClassData classData, CollectClassData enclosingClassData) {
    if (enclosingClassData == null || (classData.getAccess() & Opcodes.ACC_STATIC) != 0) {
        return false;
    }
    return getTypeParametersForClass(enclosingClassData) != null;
}

---

From source file:com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.java

License:Apache License

private boolean resolveEnclosingClass(TreeLogger logger, JRealClassType unresolvedType,
        TypeOracleBuildContext context) {
    assert unresolvedType != null;
    if (unresolvedType.getEnclosingType() != null) {
        return true;
    }//  ww w  .  ja  va2 s  . c om

    // Find our enclosing class and set it
    CollectClassData classData = context.classDataByType.get(unresolvedType);
    assert classData != null;
    String enclosingClassInternalName = classData.getEnclosingInternalName();
    JRealClassType enclosingType = null;
    if (enclosingClassInternalName != null) {
        enclosingType = findByInternalName(enclosingClassInternalName);
        // Ensure enclosing classes are resolved
        if (enclosingType != null) {
            if (!resolveEnclosingClass(logger, enclosingType, context)) {
                return false;
            }
            if (enclosingType.isGenericType() != null
                    && (classData.getAccess() & (Opcodes.ACC_STATIC | Opcodes.ACC_INTERFACE)) != 0) {
                // If the inner class doesn't have access to it's enclosing type's
                // type variables, the enclosing type must be the raw type instead
                // of the generic type.
                JGenericType genericType = enclosingType.isGenericType();
                setEnclosingType(unresolvedType, genericType.getRawType());
            } else {
                setEnclosingType(unresolvedType, enclosingType);
            }
        }
    }
    return true;
}

---

From source file:com.google.gwt.dev.javac.TypeOracleMediator.java

License:Open Source License

/**
 * Returns true if this class is a non-static class inside a generic class.
 * /*from www  . j  a v a  2  s.  c o  m*/
 * TODO(jat): do we need to consider the entire hierarchy?
 * 
 * @param classData
 * @param enclosingClassData
 * @return true if this class is a non-static class inside a generic class
 */
private static boolean nonStaticInsideGeneric(CollectClassData classData, CollectClassData enclosingClassData) {
    if (enclosingClassData == null || (classData.getAccess() & Opcodes.ACC_STATIC) != 0) {
        return false;
    }
    return getTypeParametersForClass(enclosingClassData) != null;
}

---

From source file:com.google.gwt.dev.javac.TypeOracleMediator.java

License:Open Source License

private boolean resolveEnclosingClass(TreeLogger logger, JRealClassType type) {
    assert type != null;
    if (type.getEnclosingType() != null) {
        return true;
    }/* w  ww  . j a  va 2  s  .c om*/
    // Find our enclosing class and set it
    CollectClassData classData = classMapType.get(type);
    assert classData != null;
    String outerClass = classData.getOuterClass();
    JRealClassType enclosingType = null;
    if (outerClass != null) {
        enclosingType = binaryMapper.get(outerClass);
        // Ensure enclosing classes are resolved
        if (enclosingType != null) {
            if (!resolveEnclosingClass(logger, enclosingType)) {
                return false;
            }
            if (enclosingType.isGenericType() != null
                    && (classData.getAccess() & (Opcodes.ACC_STATIC | Opcodes.ACC_INTERFACE)) != 0) {
                // If the inner class doesn't have access to it's enclosing type's
                // type variables, the enclosign type must be the raw type instead
                // of the generic type.
                JGenericType genericType = enclosingType.isGenericType();
                setEnclosingType(type, genericType.getRawType());
            } else {
                setEnclosingType(type, enclosingType);
            }
        }
    }
    return true;
}

---

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