--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javap/AttributeWriter.java Wed May 27 11:27:42 2015 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,712 +0,0 @@
-/*
- * Copyright (c) 2007, 2014, 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 java.util.Formatter;
-
-import com.sun.tools.classfile.AccessFlags;
-import com.sun.tools.classfile.AnnotationDefault_attribute;
-import com.sun.tools.classfile.Attribute;
-import com.sun.tools.classfile.Attributes;
-import com.sun.tools.classfile.BootstrapMethods_attribute;
-import com.sun.tools.classfile.CharacterRangeTable_attribute;
-import com.sun.tools.classfile.Code_attribute;
-import com.sun.tools.classfile.CompilationID_attribute;
-import com.sun.tools.classfile.ConstantPool;
-import com.sun.tools.classfile.ConstantPoolException;
-import com.sun.tools.classfile.ConstantValue_attribute;
-import com.sun.tools.classfile.DefaultAttribute;
-import com.sun.tools.classfile.Deprecated_attribute;
-import com.sun.tools.classfile.EnclosingMethod_attribute;
-import com.sun.tools.classfile.Exceptions_attribute;
-import com.sun.tools.classfile.InnerClasses_attribute;
-import com.sun.tools.classfile.LineNumberTable_attribute;
-import com.sun.tools.classfile.LocalVariableTable_attribute;
-import com.sun.tools.classfile.LocalVariableTypeTable_attribute;
-import com.sun.tools.classfile.MethodParameters_attribute;
-import com.sun.tools.classfile.RuntimeInvisibleAnnotations_attribute;
-import com.sun.tools.classfile.RuntimeInvisibleParameterAnnotations_attribute;
-import com.sun.tools.classfile.RuntimeInvisibleTypeAnnotations_attribute;
-import com.sun.tools.classfile.RuntimeVisibleAnnotations_attribute;
-import com.sun.tools.classfile.RuntimeVisibleParameterAnnotations_attribute;
-import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute;
-import com.sun.tools.classfile.Signature_attribute;
-import com.sun.tools.classfile.SourceDebugExtension_attribute;
-import com.sun.tools.classfile.SourceFile_attribute;
-import com.sun.tools.classfile.SourceID_attribute;
-import com.sun.tools.classfile.StackMapTable_attribute;
-import com.sun.tools.classfile.StackMap_attribute;
-import com.sun.tools.classfile.Synthetic_attribute;
-
-import static com.sun.tools.classfile.AccessFlags.*;
-
-import com.sun.tools.javac.util.Assert;
-import com.sun.tools.javac.util.StringUtils;
-
-/*
- * A writer for writing Attributes 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 AttributeWriter extends BasicWriter
- implements Attribute.Visitor<Void,Void>
-{
- public static AttributeWriter instance(Context context) {
- AttributeWriter instance = context.get(AttributeWriter.class);
- if (instance == null)
- instance = new AttributeWriter(context);
- return instance;
- }
-
- protected AttributeWriter(Context context) {
- super(context);
- context.put(AttributeWriter.class, this);
- annotationWriter = AnnotationWriter.instance(context);
- codeWriter = CodeWriter.instance(context);
- constantWriter = ConstantWriter.instance(context);
- options = Options.instance(context);
- }
-
- public void write(Object owner, Attribute attr, ConstantPool constant_pool) {
- if (attr != null) {
- Assert.checkNonNull(constant_pool);
- Assert.checkNonNull(owner);
- this.constant_pool = constant_pool;
- this.owner = owner;
- attr.accept(this, null);
- }
- }
-
- public void write(Object owner, Attributes attrs, ConstantPool constant_pool) {
- if (attrs != null) {
- Assert.checkNonNull(constant_pool);
- Assert.checkNonNull(owner);
- this.constant_pool = constant_pool;
- this.owner = owner;
- for (Attribute attr: attrs)
- attr.accept(this, null);
- }
- }
-
- public Void visitDefault(DefaultAttribute attr, Void ignore) {
- if (attr.reason != null) {
- report(attr.reason);
- }
- byte[] data = attr.info;
- int i = 0;
- int j = 0;
- print(" ");
- try {
- print(attr.getName(constant_pool));
- } catch (ConstantPoolException e) {
- report(e);
- print("attribute name = #" + attr.attribute_name_index);
- }
- print(": ");
- println("length = 0x" + toHex(attr.info.length));
-
- print(" ");
-
- while (i < data.length) {
- print(toHex(data[i], 2));
-
- j++;
- if (j == 16) {
- println();
- print(" ");
- j = 0;
- } else {
- print(" ");
- }
- i++;
- }
- println();
- return null;
- }
-
- public Void visitAnnotationDefault(AnnotationDefault_attribute attr, Void ignore) {
- println("AnnotationDefault:");
- indent(+1);
- print("default_value: ");
- annotationWriter.write(attr.default_value);
- indent(-1);
- return null;
- }
-
- public Void visitBootstrapMethods(BootstrapMethods_attribute attr, Void p) {
- println(Attribute.BootstrapMethods + ":");
- for (int i = 0; i < attr.bootstrap_method_specifiers.length ; i++) {
- BootstrapMethods_attribute.BootstrapMethodSpecifier bsm = attr.bootstrap_method_specifiers[i];
- indent(+1);
- print(i + ": #" + bsm.bootstrap_method_ref + " ");
- println(constantWriter.stringValue(bsm.bootstrap_method_ref));
- indent(+1);
- println("Method arguments:");
- indent(+1);
- for (int j = 0; j < bsm.bootstrap_arguments.length; j++) {
- print("#" + bsm.bootstrap_arguments[j] + " ");
- println(constantWriter.stringValue(bsm.bootstrap_arguments[j]));
- }
- indent(-3);
- }
- return null;
- }
-
- public Void visitCharacterRangeTable(CharacterRangeTable_attribute attr, Void ignore) {
- println("CharacterRangeTable:");
- indent(+1);
- for (int i = 0; i < attr.character_range_table.length; i++) {
- CharacterRangeTable_attribute.Entry e = attr.character_range_table[i];
- print(String.format(" %2d, %2d, %6x, %6x, %4x",
- e.start_pc, e.end_pc,
- e.character_range_start, e.character_range_end,
- e.flags));
- tab();
- print(String.format("// %2d, %2d, %4d:%02d, %4d:%02d",
- e.start_pc, e.end_pc,
- (e.character_range_start >> 10), (e.character_range_start & 0x3ff),
- (e.character_range_end >> 10), (e.character_range_end & 0x3ff)));
- if ((e.flags & CharacterRangeTable_attribute.CRT_STATEMENT) != 0)
- print(", statement");
- if ((e.flags & CharacterRangeTable_attribute.CRT_BLOCK) != 0)
- print(", block");
- if ((e.flags & CharacterRangeTable_attribute.CRT_ASSIGNMENT) != 0)
- print(", assignment");
- if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_CONTROLLER) != 0)
- print(", flow-controller");
- if ((e.flags & CharacterRangeTable_attribute.CRT_FLOW_TARGET) != 0)
- print(", flow-target");
- if ((e.flags & CharacterRangeTable_attribute.CRT_INVOKE) != 0)
- print(", invoke");
- if ((e.flags & CharacterRangeTable_attribute.CRT_CREATE) != 0)
- print(", create");
- if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_TRUE) != 0)
- print(", branch-true");
- if ((e.flags & CharacterRangeTable_attribute.CRT_BRANCH_FALSE) != 0)
- print(", branch-false");
- println();
- }
- indent(-1);
- return null;
- }
-
- public Void visitCode(Code_attribute attr, Void ignore) {
- codeWriter.write(attr, constant_pool);
- return null;
- }
-
- public Void visitCompilationID(CompilationID_attribute attr, Void ignore) {
- constantWriter.write(attr.compilationID_index);
- return null;
- }
-
- public Void visitConstantValue(ConstantValue_attribute attr, Void ignore) {
- print("ConstantValue: ");
- constantWriter.write(attr.constantvalue_index);
- println();
- return null;
- }
-
- public Void visitDeprecated(Deprecated_attribute attr, Void ignore) {
- println("Deprecated: true");
- return null;
- }
-
- public Void visitEnclosingMethod(EnclosingMethod_attribute attr, Void ignore) {
- print("EnclosingMethod: #" + attr.class_index + ".#" + attr.method_index);
- tab();
- print("// " + getJavaClassName(attr));
- if (attr.method_index != 0)
- print("." + getMethodName(attr));
- println();
- return null;
- }
-
- private String getJavaClassName(EnclosingMethod_attribute a) {
- try {
- return getJavaName(a.getClassName(constant_pool));
- } catch (ConstantPoolException e) {
- return report(e);
- }
- }
-
- private String getMethodName(EnclosingMethod_attribute a) {
- try {
- return a.getMethodName(constant_pool);
- } catch (ConstantPoolException e) {
- return report(e);
- }
- }
-
- public Void visitExceptions(Exceptions_attribute attr, Void ignore) {
- println("Exceptions:");
- indent(+1);
- print("throws ");
- for (int i = 0; i < attr.number_of_exceptions; i++) {
- if (i > 0)
- print(", ");
- print(getJavaException(attr, i));
- }
- println();
- indent(-1);
- return null;
- }
-
- private String getJavaException(Exceptions_attribute attr, int index) {
- try {
- return getJavaName(attr.getException(index, constant_pool));
- } catch (ConstantPoolException e) {
- return report(e);
- }
- }
-
- public Void visitInnerClasses(InnerClasses_attribute attr, Void ignore) {
- boolean first = true;
- for (int i = 0 ; i < attr.classes.length; i++) {
- InnerClasses_attribute.Info info = attr.classes[i];
- //access
- AccessFlags access_flags = info.inner_class_access_flags;
- if (options.checkAccess(access_flags)) {
- if (first) {
- writeInnerClassHeader();
- first = false;
- }
- for (String name: access_flags.getInnerClassModifiers())
- print(name + " ");
- if (info.inner_name_index != 0) {
- print("#" + info.inner_name_index + "= ");
- }
- print("#" + info.inner_class_info_index);
- if (info.outer_class_info_index != 0) {
- print(" of #" + info.outer_class_info_index);
- }
- print(";");
- tab();
- print("// ");
- if (info.inner_name_index != 0) {
- print(getInnerName(constant_pool, info) + "=");
- }
- constantWriter.write(info.inner_class_info_index);
- if (info.outer_class_info_index != 0) {
- print(" of ");
- constantWriter.write(info.outer_class_info_index);
- }
- println();
- }
- }
- if (!first)
- indent(-1);
- return null;
- }
-
- String getInnerName(ConstantPool constant_pool, InnerClasses_attribute.Info info) {
- try {
- return info.getInnerName(constant_pool);
- } catch (ConstantPoolException e) {
- return report(e);
- }
- }
-
- private void writeInnerClassHeader() {
- println("InnerClasses:");
- indent(+1);
- }
-
- public Void visitLineNumberTable(LineNumberTable_attribute attr, Void ignore) {
- println("LineNumberTable:");
- indent(+1);
- for (LineNumberTable_attribute.Entry entry: attr.line_number_table) {
- println("line " + entry.line_number + ": " + entry.start_pc);
- }
- indent(-1);
- return null;
- }
-
- public Void visitLocalVariableTable(LocalVariableTable_attribute attr, Void ignore) {
- println("LocalVariableTable:");
- indent(+1);
- println("Start Length Slot Name Signature");
- for (LocalVariableTable_attribute.Entry entry : attr.local_variable_table) {
- println(String.format("%5d %7d %5d %5s %s",
- entry.start_pc, entry.length, entry.index,
- constantWriter.stringValue(entry.name_index),
- constantWriter.stringValue(entry.descriptor_index)));
- }
- indent(-1);
- return null;
- }
-
- public Void visitLocalVariableTypeTable(LocalVariableTypeTable_attribute attr, Void ignore) {
- println("LocalVariableTypeTable:");
- indent(+1);
- println("Start Length Slot Name Signature");
- for (LocalVariableTypeTable_attribute.Entry entry : attr.local_variable_table) {
- println(String.format("%5d %7d %5d %5s %s",
- entry.start_pc, entry.length, entry.index,
- constantWriter.stringValue(entry.name_index),
- constantWriter.stringValue(entry.signature_index)));
- }
- indent(-1);
- return null;
- }
-
- private static final String format = "%-31s%s";
-
- public Void visitMethodParameters(MethodParameters_attribute attr,
- Void ignore) {
-
- final String header = String.format(format, "Name", "Flags");
- println("MethodParameters:");
- indent(+1);
- println(header);
- for (MethodParameters_attribute.Entry entry :
- attr.method_parameter_table) {
- String namestr =
- entry.name_index != 0 ?
- constantWriter.stringValue(entry.name_index) : "<no name>";
- String flagstr =
- (0 != (entry.flags & ACC_FINAL) ? "final " : "") +
- (0 != (entry.flags & ACC_MANDATED) ? "mandated " : "") +
- (0 != (entry.flags & ACC_SYNTHETIC) ? "synthetic" : "");
- println(String.format(format, namestr, flagstr));
- }
- indent(-1);
- return null;
- }
-
- public Void visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute attr, Void ignore) {
- println("RuntimeVisibleAnnotations:");
- indent(+1);
- for (int i = 0; i < attr.annotations.length; i++) {
- print(i + ": ");
- annotationWriter.write(attr.annotations[i]);
- println();
- }
- indent(-1);
- return null;
- }
-
- public Void visitRuntimeInvisibleAnnotations(RuntimeInvisibleAnnotations_attribute attr, Void ignore) {
- println("RuntimeInvisibleAnnotations:");
- indent(+1);
- for (int i = 0; i < attr.annotations.length; i++) {
- print(i + ": ");
- annotationWriter.write(attr.annotations[i]);
- println();
- }
- indent(-1);
- return null;
- }
-
- public Void visitRuntimeVisibleTypeAnnotations(RuntimeVisibleTypeAnnotations_attribute attr, Void ignore) {
- println("RuntimeVisibleTypeAnnotations:");
- indent(+1);
- for (int i = 0; i < attr.annotations.length; i++) {
- print(i + ": ");
- annotationWriter.write(attr.annotations[i]);
- println();
- }
- indent(-1);
- return null;
- }
-
- public Void visitRuntimeInvisibleTypeAnnotations(RuntimeInvisibleTypeAnnotations_attribute attr, Void ignore) {
- println("RuntimeInvisibleTypeAnnotations:");
- indent(+1);
- for (int i = 0; i < attr.annotations.length; i++) {
- print(i + ": ");
- annotationWriter.write(attr.annotations[i]);
- println();
- }
- indent(-1);
- return null;
- }
-
- public Void visitRuntimeVisibleParameterAnnotations(RuntimeVisibleParameterAnnotations_attribute attr, Void ignore) {
- println("RuntimeVisibleParameterAnnotations:");
- indent(+1);
- for (int param = 0; param < attr.parameter_annotations.length; param++) {
- println("parameter " + param + ": ");
- indent(+1);
- for (int i = 0; i < attr.parameter_annotations[param].length; i++) {
- print(i + ": ");
- annotationWriter.write(attr.parameter_annotations[param][i]);
- println();
- }
- indent(-1);
- }
- indent(-1);
- return null;
- }
-
- public Void visitRuntimeInvisibleParameterAnnotations(RuntimeInvisibleParameterAnnotations_attribute attr, Void ignore) {
- println("RuntimeInvisibleParameterAnnotations:");
- indent(+1);
- for (int param = 0; param < attr.parameter_annotations.length; param++) {
- println(param + ": ");
- indent(+1);
- for (int i = 0; i < attr.parameter_annotations[param].length; i++) {
- print(i + ": ");
- annotationWriter.write(attr.parameter_annotations[param][i]);
- println();
- }
- indent(-1);
- }
- indent(-1);
- return null;
- }
-
- public Void visitSignature(Signature_attribute attr, Void ignore) {
- print("Signature: #" + attr.signature_index);
- tab();
- println("// " + getSignature(attr));
- return null;
- }
-
- String getSignature(Signature_attribute info) {
- try {
- return info.getSignature(constant_pool);
- } catch (ConstantPoolException e) {
- return report(e);
- }
- }
-
- public Void visitSourceDebugExtension(SourceDebugExtension_attribute attr, Void ignore) {
- println("SourceDebugExtension:");
- indent(+1);
- for (String s: attr.getValue().split("[\r\n]+")) {
- println(s);
- }
- indent(-1);
- return null;
- }
-
- public Void visitSourceFile(SourceFile_attribute attr, Void ignore) {
- println("SourceFile: \"" + getSourceFile(attr) + "\"");
- return null;
- }
-
- private String getSourceFile(SourceFile_attribute attr) {
- try {
- return attr.getSourceFile(constant_pool);
- } catch (ConstantPoolException e) {
- return report(e);
- }
- }
-
- public Void visitSourceID(SourceID_attribute attr, Void ignore) {
- constantWriter.write(attr.sourceID_index);
- return null;
- }
-
- public Void visitStackMap(StackMap_attribute attr, Void ignore) {
- println("StackMap: number_of_entries = " + attr.number_of_entries);
- indent(+1);
- StackMapTableWriter w = new StackMapTableWriter();
- for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {
- w.write(entry);
- }
- indent(-1);
- return null;
- }
-
- public Void visitStackMapTable(StackMapTable_attribute attr, Void ignore) {
- println("StackMapTable: number_of_entries = " + attr.number_of_entries);
- indent(+1);
- StackMapTableWriter w = new StackMapTableWriter();
- for (StackMapTable_attribute.stack_map_frame entry : attr.entries) {
- w.write(entry);
- }
- indent(-1);
- return null;
- }
-
- class StackMapTableWriter // also handles CLDC StackMap attributes
- implements StackMapTable_attribute.stack_map_frame.Visitor<Void,Void> {
- public void write(StackMapTable_attribute.stack_map_frame frame) {
- frame.accept(this, null);
- }
-
- public Void visit_same_frame(StackMapTable_attribute.same_frame frame, Void p) {
- printHeader(frame, "/* same */");
- return null;
- }
-
- public Void visit_same_locals_1_stack_item_frame(StackMapTable_attribute.same_locals_1_stack_item_frame frame, Void p) {
- printHeader(frame, "/* same_locals_1_stack_item */");
- indent(+1);
- printMap("stack", frame.stack);
- indent(-1);
- return null;
- }
-
- public Void visit_same_locals_1_stack_item_frame_extended(StackMapTable_attribute.same_locals_1_stack_item_frame_extended frame, Void p) {
- printHeader(frame, "/* same_locals_1_stack_item_frame_extended */");
- indent(+1);
- println("offset_delta = " + frame.offset_delta);
- printMap("stack", frame.stack);
- indent(-1);
- return null;
- }
-
- public Void visit_chop_frame(StackMapTable_attribute.chop_frame frame, Void p) {
- printHeader(frame, "/* chop */");
- indent(+1);
- println("offset_delta = " + frame.offset_delta);
- indent(-1);
- return null;
- }
-
- public Void visit_same_frame_extended(StackMapTable_attribute.same_frame_extended frame, Void p) {
- printHeader(frame, "/* same_frame_extended */");
- indent(+1);
- println("offset_delta = " + frame.offset_delta);
- indent(-1);
- return null;
- }
-
- public Void visit_append_frame(StackMapTable_attribute.append_frame frame, Void p) {
- printHeader(frame, "/* append */");
- indent(+1);
- println("offset_delta = " + frame.offset_delta);
- printMap("locals", frame.locals);
- indent(-1);
- return null;
- }
-
- public Void visit_full_frame(StackMapTable_attribute.full_frame frame, Void p) {
- if (frame instanceof StackMap_attribute.stack_map_frame) {
- printHeader(frame, "offset = " + frame.offset_delta);
- indent(+1);
- } else {
- printHeader(frame, "/* full_frame */");
- indent(+1);
- println("offset_delta = " + frame.offset_delta);
- }
- printMap("locals", frame.locals);
- printMap("stack", frame.stack);
- indent(-1);
- return null;
- }
-
- void printHeader(StackMapTable_attribute.stack_map_frame frame, String extra) {
- print("frame_type = " + frame.frame_type + " ");
- println(extra);
- }
-
- void printMap(String name, StackMapTable_attribute.verification_type_info[] map) {
- print(name + " = [");
- for (int i = 0; i < map.length; i++) {
- StackMapTable_attribute.verification_type_info info = map[i];
- int tag = info.tag;
- switch (tag) {
- case StackMapTable_attribute.verification_type_info.ITEM_Object:
- print(" ");
- constantWriter.write(((StackMapTable_attribute.Object_variable_info) info).cpool_index);
- break;
- case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:
- print(" " + mapTypeName(tag));
- print(" " + ((StackMapTable_attribute.Uninitialized_variable_info) info).offset);
- break;
- default:
- print(" " + mapTypeName(tag));
- }
- print(i == (map.length - 1) ? " " : ",");
- }
- println("]");
- }
-
- String mapTypeName(int tag) {
- switch (tag) {
- case StackMapTable_attribute.verification_type_info.ITEM_Top:
- return "top";
-
- case StackMapTable_attribute.verification_type_info.ITEM_Integer:
- return "int";
-
- case StackMapTable_attribute.verification_type_info.ITEM_Float:
- return "float";
-
- case StackMapTable_attribute.verification_type_info.ITEM_Long:
- return "long";
-
- case StackMapTable_attribute.verification_type_info.ITEM_Double:
- return "double";
-
- case StackMapTable_attribute.verification_type_info.ITEM_Null:
- return "null";
-
- case StackMapTable_attribute.verification_type_info.ITEM_UninitializedThis:
- return "this";
-
- case StackMapTable_attribute.verification_type_info.ITEM_Object:
- return "CP";
-
- case StackMapTable_attribute.verification_type_info.ITEM_Uninitialized:
- return "uninitialized";
-
- default:
- report("unrecognized verification_type_info tag: " + tag);
- return "[tag:" + tag + "]";
- }
- }
- }
-
- public Void visitSynthetic(Synthetic_attribute attr, Void ignore) {
- println("Synthetic: true");
- return null;
- }
-
- static String getJavaName(String name) {
- return name.replace('/', '.');
- }
-
- String toHex(byte b, int w) {
- return toHex(b & 0xff, w);
- }
-
- static String toHex(int i) {
- return StringUtils.toUpperCase(Integer.toString(i, 16));
- }
-
- static String toHex(int i, int w) {
- String s = StringUtils.toUpperCase(Integer.toHexString(i));
- while (s.length() < w)
- s = "0" + s;
- return StringUtils.toUpperCase(s);
- }
-
- private AnnotationWriter annotationWriter;
- private CodeWriter codeWriter;
- private ConstantWriter constantWriter;
- private Options options;
-
- private ConstantPool constant_pool;
- private Object owner;
-}