--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jdeps/share/classes/com/sun/tools/javap/AnnotationWriter.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,291 @@
+/*
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.tools.javap;
+
+import com.sun.tools.classfile.Annotation;
+import com.sun.tools.classfile.TypeAnnotation;
+import com.sun.tools.classfile.Annotation.Annotation_element_value;
+import com.sun.tools.classfile.Annotation.Array_element_value;
+import com.sun.tools.classfile.Annotation.Class_element_value;
+import com.sun.tools.classfile.Annotation.Enum_element_value;
+import com.sun.tools.classfile.Annotation.Primitive_element_value;
+import com.sun.tools.classfile.ConstantPool;
+import com.sun.tools.classfile.ConstantPoolException;
+import com.sun.tools.classfile.Descriptor;
+import com.sun.tools.classfile.Descriptor.InvalidDescriptor;
+
+/**
+ * A writer for writing annotations as text.
+ *
+ * <p><b>This is NOT part of any supported API.
+ * If you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ */
+public class AnnotationWriter extends BasicWriter {
+ static AnnotationWriter instance(Context context) {
+ AnnotationWriter instance = context.get(AnnotationWriter.class);
+ if (instance == null)
+ instance = new AnnotationWriter(context);
+ return instance;
+ }
+
+ protected AnnotationWriter(Context context) {
+ super(context);
+ classWriter = ClassWriter.instance(context);
+ constantWriter = ConstantWriter.instance(context);
+ }
+
+ public void write(Annotation annot) {
+ write(annot, false);
+ }
+
+ public void write(Annotation annot, boolean resolveIndices) {
+ writeDescriptor(annot.type_index, resolveIndices);
+ boolean showParens = annot.num_element_value_pairs > 0 || !resolveIndices;
+ if (showParens)
+ print("(");
+ for (int i = 0; i < annot.num_element_value_pairs; i++) {
+ if (i > 0)
+ print(",");
+ write(annot.element_value_pairs[i], resolveIndices);
+ }
+ if (showParens)
+ print(")");
+ }
+
+ public void write(TypeAnnotation annot) {
+ write(annot, true, false);
+ }
+
+ public void write(TypeAnnotation annot, boolean showOffsets, boolean resolveIndices) {
+ write(annot.annotation, resolveIndices);
+ print(": ");
+ write(annot.position, showOffsets);
+ }
+
+ public void write(TypeAnnotation.Position pos, boolean showOffsets) {
+ print(pos.type);
+
+ switch (pos.type) {
+ // instanceof
+ case INSTANCEOF:
+ // new expression
+ case NEW:
+ // constructor/method reference receiver
+ case CONSTRUCTOR_REFERENCE:
+ case METHOD_REFERENCE:
+ if (showOffsets) {
+ print(", offset=");
+ print(pos.offset);
+ }
+ break;
+ // local variable
+ case LOCAL_VARIABLE:
+ // resource variable
+ case RESOURCE_VARIABLE:
+ if (pos.lvarOffset == null) {
+ print(", lvarOffset is Null!");
+ break;
+ }
+ print(", {");
+ for (int i = 0; i < pos.lvarOffset.length; ++i) {
+ if (i != 0) print("; ");
+ if (showOffsets) {
+ print("start_pc=");
+ print(pos.lvarOffset[i]);
+ }
+ print(", length=");
+ print(pos.lvarLength[i]);
+ print(", index=");
+ print(pos.lvarIndex[i]);
+ }
+ print("}");
+ break;
+ // exception parameter
+ case EXCEPTION_PARAMETER:
+ print(", exception_index=");
+ print(pos.exception_index);
+ break;
+ // method receiver
+ case METHOD_RECEIVER:
+ // Do nothing
+ break;
+ // type parameter
+ case CLASS_TYPE_PARAMETER:
+ case METHOD_TYPE_PARAMETER:
+ print(", param_index=");
+ print(pos.parameter_index);
+ break;
+ // type parameter bound
+ case CLASS_TYPE_PARAMETER_BOUND:
+ case METHOD_TYPE_PARAMETER_BOUND:
+ print(", param_index=");
+ print(pos.parameter_index);
+ print(", bound_index=");
+ print(pos.bound_index);
+ break;
+ // class extends or implements clause
+ case CLASS_EXTENDS:
+ print(", type_index=");
+ print(pos.type_index);
+ break;
+ // throws
+ case THROWS:
+ print(", type_index=");
+ print(pos.type_index);
+ break;
+ // method parameter
+ case METHOD_FORMAL_PARAMETER:
+ print(", param_index=");
+ print(pos.parameter_index);
+ break;
+ // type cast
+ case CAST:
+ // method/constructor/reference type argument
+ case CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT:
+ case METHOD_INVOCATION_TYPE_ARGUMENT:
+ case CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT:
+ case METHOD_REFERENCE_TYPE_ARGUMENT:
+ if (showOffsets) {
+ print(", offset=");
+ print(pos.offset);
+ }
+ print(", type_index=");
+ print(pos.type_index);
+ break;
+ // We don't need to worry about these
+ case METHOD_RETURN:
+ case FIELD:
+ break;
+ case UNKNOWN:
+ throw new AssertionError("AnnotationWriter: UNKNOWN target type should never occur!");
+ default:
+ throw new AssertionError("AnnotationWriter: Unknown target type for position: " + pos);
+ }
+
+ // Append location data for generics/arrays.
+ if (!pos.location.isEmpty()) {
+ print(", location=");
+ print(pos.location);
+ }
+ }
+
+ public void write(Annotation.element_value_pair pair) {
+ write(pair, false);
+ }
+
+ public void write(Annotation.element_value_pair pair, boolean resolveIndices) {
+ writeIndex(pair.element_name_index, resolveIndices);
+ print("=");
+ write(pair.value, resolveIndices);
+ }
+
+ public void write(Annotation.element_value value) {
+ write(value, false);
+ }
+
+ public void write(Annotation.element_value value, boolean resolveIndices) {
+ ev_writer.write(value, resolveIndices);
+ }
+
+ private void writeDescriptor(int index, boolean resolveIndices) {
+ if (resolveIndices) {
+ try {
+ ConstantPool constant_pool = classWriter.getClassFile().constant_pool;
+ Descriptor d = new Descriptor(index);
+ print(d.getFieldType(constant_pool));
+ return;
+ } catch (ConstantPoolException | InvalidDescriptor ignore) {
+ }
+ }
+
+ print("#" + index);
+ }
+
+ private void writeIndex(int index, boolean resolveIndices) {
+ if (resolveIndices) {
+ print(constantWriter.stringValue(index));
+ } else
+ print("#" + index);
+ }
+
+ element_value_Writer ev_writer = new element_value_Writer();
+
+ class element_value_Writer implements Annotation.element_value.Visitor<Void,Boolean> {
+ public void write(Annotation.element_value value, boolean resolveIndices) {
+ value.accept(this, resolveIndices);
+ }
+
+ public Void visitPrimitive(Primitive_element_value ev, Boolean resolveIndices) {
+ if (resolveIndices)
+ writeIndex(ev.const_value_index, resolveIndices);
+ else
+ print(((char) ev.tag) + "#" + ev.const_value_index);
+ return null;
+ }
+
+ public Void visitEnum(Enum_element_value ev, Boolean resolveIndices) {
+ if (resolveIndices) {
+ writeIndex(ev.type_name_index, resolveIndices);
+ print(".");
+ writeIndex(ev.const_name_index, resolveIndices);
+ } else
+ print(((char) ev.tag) + "#" + ev.type_name_index + ".#" + ev.const_name_index);
+ return null;
+ }
+
+ public Void visitClass(Class_element_value ev, Boolean resolveIndices) {
+ if (resolveIndices) {
+ writeIndex(ev.class_info_index, resolveIndices);
+ print(".class");
+ } else
+ print(((char) ev.tag) + "#" + ev.class_info_index);
+ return null;
+ }
+
+ public Void visitAnnotation(Annotation_element_value ev, Boolean resolveIndices) {
+ print((char) ev.tag);
+ AnnotationWriter.this.write(ev.annotation_value, resolveIndices);
+ return null;
+ }
+
+ public Void visitArray(Array_element_value ev, Boolean resolveIndices) {
+ print("[");
+ for (int i = 0; i < ev.num_values; i++) {
+ if (i > 0)
+ print(",");
+ write(ev.values[i], resolveIndices);
+ }
+ print("]");
+ return null;
+ }
+
+ }
+
+ private ClassWriter classWriter;
+ private ConstantWriter constantWriter;
+}