jjg@46: /* jjg@1521: * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. jjg@46: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. jjg@46: * jjg@46: * This code is free software; you can redistribute it and/or modify it jjg@46: * under the terms of the GNU General Public License version 2 only, as ohair@554: * published by the Free Software Foundation. Oracle designates this jjg@46: * particular file as subject to the "Classpath" exception as provided ohair@554: * by Oracle in the LICENSE file that accompanied this code. jjg@46: * jjg@46: * This code is distributed in the hope that it will be useful, but WITHOUT jjg@46: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or jjg@46: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License jjg@46: * version 2 for more details (a copy is included in the LICENSE file that jjg@46: * accompanied this code). jjg@46: * jjg@46: * You should have received a copy of the GNU General Public License version jjg@46: * 2 along with this work; if not, write to the Free Software Foundation, jjg@46: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. jjg@46: * ohair@554: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ohair@554: * or visit www.oracle.com if you need additional information or have any ohair@554: * questions. jjg@46: */ jjg@46: jjg@46: package com.sun.tools.javap; jjg@46: jjg@46: import com.sun.tools.classfile.Annotation; jjg@1521: import com.sun.tools.classfile.TypeAnnotation; jjg@46: import com.sun.tools.classfile.Annotation.Annotation_element_value; jjg@46: import com.sun.tools.classfile.Annotation.Array_element_value; jjg@46: import com.sun.tools.classfile.Annotation.Class_element_value; jjg@46: import com.sun.tools.classfile.Annotation.Enum_element_value; jjg@46: import com.sun.tools.classfile.Annotation.Primitive_element_value; jjg@338: import com.sun.tools.classfile.ConstantPool; jjg@338: import com.sun.tools.classfile.ConstantPoolException; jjg@338: import com.sun.tools.classfile.Descriptor; jjg@338: import com.sun.tools.classfile.Descriptor.InvalidDescriptor; jjg@46: jjg@46: /** jjg@46: * A writer for writing annotations as text. jjg@46: * jjg@581: *
This is NOT part of any supported API.
jjg@581: * If you write code that depends on this, you do so at your own risk.
jjg@46: * This code and its internal interfaces are subject to change or
jjg@46: * deletion without notice.
jjg@46: */
jjg@46: public class AnnotationWriter extends BasicWriter {
jjg@46: static AnnotationWriter instance(Context context) {
jjg@46: AnnotationWriter instance = context.get(AnnotationWriter.class);
jjg@46: if (instance == null)
jjg@46: instance = new AnnotationWriter(context);
jjg@46: return instance;
jjg@46: }
jjg@46:
jjg@46: protected AnnotationWriter(Context context) {
jjg@46: super(context);
jjg@338: classWriter = ClassWriter.instance(context);
jjg@338: constantWriter = ConstantWriter.instance(context);
jjg@46: }
jjg@46:
jjg@46: public void write(Annotation annot) {
jjg@338: write(annot, false);
jjg@338: }
jjg@338:
jjg@338: public void write(Annotation annot, boolean resolveIndices) {
jjg@338: writeDescriptor(annot.type_index, resolveIndices);
jjg@338: boolean showParens = annot.num_element_value_pairs > 0 || !resolveIndices;
jjg@338: if (showParens)
jjg@338: print("(");
jjg@46: for (int i = 0; i < annot.num_element_value_pairs; i++) {
jjg@46: if (i > 0)
jjg@46: print(",");
jjg@338: write(annot.element_value_pairs[i], resolveIndices);
jjg@46: }
jjg@338: if (showParens)
jjg@338: print(")");
jjg@46: }
jjg@46:
jjg@1521: public void write(TypeAnnotation annot) {
jjg@1521: write(annot, true, false);
jjg@1521: }
jjg@1521:
jjg@1521: public void write(TypeAnnotation annot, boolean showOffsets, boolean resolveIndices) {
jjg@1521: write(annot.annotation, resolveIndices);
jjg@1521: print(": ");
jjg@1521: write(annot.position, showOffsets);
jjg@1521: }
jjg@1521:
jjg@1521: public void write(TypeAnnotation.Position pos, boolean showOffsets) {
jjg@1521: print(pos.type);
jjg@1521:
jjg@1521: switch (pos.type) {
jjg@1521: // instanceof
jjg@1521: case INSTANCEOF:
jjg@1521: // new expression
jjg@1521: case NEW:
jjg@1563: // constructor/method reference receiver
jjg@1563: case CONSTRUCTOR_REFERENCE:
jjg@1563: case METHOD_REFERENCE:
jjg@1521: if (showOffsets) {
jjg@1521: print(", offset=");
jjg@1521: print(pos.offset);
jjg@1521: }
jjg@1521: break;
jjg@1521: // local variable
jjg@1521: case LOCAL_VARIABLE:
jjg@1521: // resource variable
jjg@1521: case RESOURCE_VARIABLE:
jjg@1521: if (pos.lvarOffset == null) {
jjg@1521: print(", lvarOffset is Null!");
jjg@1521: break;
jjg@1521: }
jjg@1521: print(", {");
jjg@1521: for (int i = 0; i < pos.lvarOffset.length; ++i) {
jjg@1521: if (i != 0) print("; ");
jjg@1521: if (showOffsets) {
jjg@1521: print("start_pc=");
jjg@1521: print(pos.lvarOffset[i]);
jjg@1521: }
jjg@1521: print(", length=");
jjg@1521: print(pos.lvarLength[i]);
jjg@1521: print(", index=");
jjg@1521: print(pos.lvarIndex[i]);
jjg@1521: }
jjg@1521: print("}");
jjg@1521: break;
jjg@1521: // exception parameter
jjg@1521: case EXCEPTION_PARAMETER:
jjg@1521: print(", exception_index=");
jjg@1521: print(pos.exception_index);
jjg@1521: break;
jjg@1521: // method receiver
jjg@1521: case METHOD_RECEIVER:
jjg@1521: // Do nothing
jjg@1521: break;
jjg@1521: // type parameter
jjg@1521: case CLASS_TYPE_PARAMETER:
jjg@1521: case METHOD_TYPE_PARAMETER:
jjg@1521: print(", param_index=");
jjg@1521: print(pos.parameter_index);
jjg@1521: break;
jjg@1521: // type parameter bound
jjg@1521: case CLASS_TYPE_PARAMETER_BOUND:
jjg@1521: case METHOD_TYPE_PARAMETER_BOUND:
jjg@1521: print(", param_index=");
jjg@1521: print(pos.parameter_index);
jjg@1521: print(", bound_index=");
jjg@1521: print(pos.bound_index);
jjg@1521: break;
jjg@1521: // class extends or implements clause
jjg@1521: case CLASS_EXTENDS:
jjg@1521: print(", type_index=");
jjg@1521: print(pos.type_index);
jjg@1521: break;
jjg@1521: // throws
jjg@1521: case THROWS:
jjg@1521: print(", type_index=");
jjg@1521: print(pos.type_index);
jjg@1521: break;
jjg@1521: // method parameter
jjg@1521: case METHOD_FORMAL_PARAMETER:
jjg@1521: print(", param_index=");
jjg@1521: print(pos.parameter_index);
jjg@1521: break;
jjg@1563: // type cast
jjg@1563: case CAST:
jjg@1521: // method/constructor/reference type argument
jjg@1521: case CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT:
jjg@1521: case METHOD_INVOCATION_TYPE_ARGUMENT:
jjg@1563: case CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT:
jjg@1521: case METHOD_REFERENCE_TYPE_ARGUMENT:
jjg@1521: if (showOffsets) {
jjg@1521: print(", offset=");
jjg@1521: print(pos.offset);
jjg@1521: }
jjg@1521: print(", type_index=");
jjg@1521: print(pos.type_index);
jjg@1521: break;
jjg@1521: // We don't need to worry about these
jjg@1521: case METHOD_RETURN:
jjg@1521: case FIELD:
jjg@1521: break;
jjg@1521: case UNKNOWN:
jjg@1521: throw new AssertionError("AnnotationWriter: UNKNOWN target type should never occur!");
jjg@1521: default:
jjg@1521: throw new AssertionError("AnnotationWriter: Unknown target type for position: " + pos);
jjg@1521: }
jjg@1521:
jjg@1521: // Append location data for generics/arrays.
jjg@1521: if (!pos.location.isEmpty()) {
jjg@1521: print(", location=");
jjg@1521: print(pos.location);
jjg@1521: }
jjg@1521: }
jjg@1521:
jjg@46: public void write(Annotation.element_value_pair pair) {
jjg@338: write(pair, false);
jjg@338: }
jjg@338:
jjg@338: public void write(Annotation.element_value_pair pair, boolean resolveIndices) {
jjg@338: writeIndex(pair.element_name_index, resolveIndices);
jjg@338: print("=");
jjg@338: write(pair.value, resolveIndices);
jjg@46: }
jjg@46:
jjg@46: public void write(Annotation.element_value value) {
jjg@338: write(value, false);
jjg@338: }
jjg@338:
jjg@338: public void write(Annotation.element_value value, boolean resolveIndices) {
jjg@338: ev_writer.write(value, resolveIndices);
jjg@338: }
jjg@338:
jjg@338: private void writeDescriptor(int index, boolean resolveIndices) {
jjg@338: if (resolveIndices) {
jjg@338: try {
jjg@338: ConstantPool constant_pool = classWriter.getClassFile().constant_pool;
jjg@338: Descriptor d = new Descriptor(index);
jjg@338: print(d.getFieldType(constant_pool));
jjg@338: return;
jjg@338: } catch (ConstantPoolException ignore) {
jjg@338: } catch (InvalidDescriptor ignore) {
jjg@338: }
jjg@338: }
jjg@338:
jjg@338: print("#" + index);
jjg@338: }
jjg@338:
jjg@338: private void writeIndex(int index, boolean resolveIndices) {
jjg@338: if (resolveIndices) {
jjg@338: print(constantWriter.stringValue(index));
jjg@338: } else
jjg@338: print("#" + index);
jjg@46: }
jjg@46:
jjg@46: element_value_Writer ev_writer = new element_value_Writer();
jjg@46:
jjg@338: class element_value_Writer implements Annotation.element_value.Visitor