--- a/jdk/make/modules/tools/src/com/sun/classanalyzer/ConstantPoolParser.java Wed Mar 16 17:21:52 2011 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,377 +0,0 @@
-/*
- * Copyright (c) 2009, 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.
- *
- * 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.classanalyzer;
-
-import com.sun.tools.classfile.*;
-import com.sun.tools.classfile.ConstantPool.*;
-import static com.sun.tools.classfile.ConstantPool.*;
-
-/**
- *
- * @author Mandy Chung
- */
-public class ConstantPoolParser {
-
- private final ClassFileParser cfparser;
- private final StringValueVisitor visitor;
- private final ConstantPool cpool;
-
- ConstantPoolParser(ClassFileParser parser) {
- this.cfparser = parser;
- this.cpool = cfparser.classfile.constant_pool;
- this.visitor = new StringValueVisitor();
- }
-
- public String stringValue(CPInfo cpInfo) {
- return visitor.visit(cpInfo);
- }
-
- public String stringValue(int constant_pool_index) {
- try {
- return stringValue(cpool.get(constant_pool_index));
- } catch (ConstantPool.InvalidIndex e) {
- throw new RuntimeException(e);
- }
- }
-
- public void parseDependency() {
- ConstantPool.Visitor<Integer, Void> v = new ConstantPool.Visitor<Integer, Void>() {
-
- public Integer visitClass(CONSTANT_Class_info info, Void p) {
- try {
- String classname = cfparser.checkClassName(info.getName());
- if (classname.isEmpty()) {
- return 1;
- }
-
- Klass from = cfparser.this_klass;
- Klass to = Klass.getKlass(classname);
- ResolutionInfo resInfo = ResolutionInfo.resolvedConstantPool(from, to, info.name_index);
-
- from.addDep(to, resInfo);
- to.addReferrer(from, resInfo);
- } catch (ConstantPoolException ex) {
- throw new RuntimeException(ex);
- }
- return 1;
- }
-
- public Integer visitDouble(CONSTANT_Double_info info, Void p) {
- // skip
- return 2;
- }
-
- public Integer visitFieldref(CONSTANT_Fieldref_info info, Void p) {
- // skip
- return 1;
- }
-
- public Integer visitFloat(CONSTANT_Float_info info, Void p) {
- // skip
- return 1;
- }
-
- public Integer visitInteger(CONSTANT_Integer_info info, Void p) {
- // skip
- return 1;
- }
-
- public Integer visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info info, Void p) {
- // skip
- return 1;
- }
-
- public Integer visitLong(CONSTANT_Long_info info, Void p) {
- // skip
- return 2;
- }
-
- public Integer visitNameAndType(CONSTANT_NameAndType_info info, Void p) {
- // skip
- return 1;
- }
-
- public Integer visitMethodref(CONSTANT_Methodref_info info, Void p) {
- // skip
- return 1;
- }
-
- public Integer visitString(CONSTANT_String_info info, Void p) {
- // skip
- return 1;
- }
-
- public Integer visitUtf8(CONSTANT_Utf8_info info, Void p) {
- // skip
- return 1;
- }
- };
- int cpx = 1;
- while (cpx < cpool.size()) {
- try {
- CPInfo cpInfo = cpool.get(cpx);
- cpx += cpInfo.accept(v, null);
- } catch (ConstantPool.InvalidIndex ex) {
- throw new RuntimeException(ex);
- }
- }
- }
-
- int getTag(int index) {
- try {
- return cpool.get(index).getTag();
- } catch (ConstantPoolException ex) {
- throw new RuntimeException(ex);
- }
- }
-
- String getDescriptor(int index) {
- CPInfo cpInfo;
- try {
- cpInfo = cpool.get(index);
- } catch (ConstantPoolException ex) {
- throw new RuntimeException(ex);
- }
-
- int tag = cpInfo.getTag();
- switch (tag) {
- case CONSTANT_Methodref:
- case CONSTANT_InterfaceMethodref:
- case CONSTANT_Fieldref:
- // simplify references within this class
- CPRefInfo ref = (CPRefInfo) cpInfo;
- try {
- return ref.getNameAndTypeInfo().getType();
- } catch (ConstantPoolException ex) {
- }
- }
- return stringValue(cpInfo);
- }
-
- String getMethodName(int index) {
- try {
- CPInfo cpInfo = cpool.get(index);
- if (cpInfo.getTag() == CONSTANT_Methodref ||
- cpInfo.getTag() == CONSTANT_InterfaceMethodref) {
-
- // simplify references within this class
- CPRefInfo ref = (CPRefInfo) cpInfo;
- String classname;
- if (ref.class_index == cfparser.classfile.this_class) {
- classname = cfparser.this_klass.getClassName();
- } else {
- classname = cfparser.checkClassName(ref.getClassName()).replace('/', '.');
- }
- String methodname = ref.getNameAndTypeInfo().getName();
- return classname + "." + methodname;
- } else {
- return null;
- }
- } catch (InvalidIndex ex) {
- throw new RuntimeException(ex);
- } catch (ConstantPoolException ex) {
- throw new RuntimeException(ex);
- }
-
- }
-
- class StringValueVisitor implements ConstantPool.Visitor<String, Void> {
-
- public StringValueVisitor() {
- }
-
- public String visit(CPInfo info) {
- return info.accept(this, null);
- }
-
- public String visitClass(CONSTANT_Class_info info, Void p) {
- return getCheckedName(info);
- }
-
- String getCheckedName(CONSTANT_Class_info info) {
- try {
- return checkName(info.getName());
- } catch (ConstantPoolException e) {
- throw new RuntimeException(e);
- }
- }
-
- public String visitDouble(CONSTANT_Double_info info, Void p) {
- return info.value + "d";
- }
-
- public String visitFieldref(CONSTANT_Fieldref_info info, Void p) {
- return visitRef(info, p);
- }
-
- public String visitFloat(CONSTANT_Float_info info, Void p) {
- return info.value + "f";
- }
-
- public String visitInteger(CONSTANT_Integer_info info, Void p) {
- return String.valueOf(info.value);
- }
-
- public String visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info info, Void p) {
- return visitRef(info, p);
- }
-
- public String visitLong(CONSTANT_Long_info info, Void p) {
- return info.value + "l";
- }
-
- public String visitNameAndType(CONSTANT_NameAndType_info info, Void p) {
- return getCheckedName(info) + ":" + getType(info);
- }
-
- String getCheckedName(CONSTANT_NameAndType_info info) {
- try {
- return checkName(info.getName());
- } catch (ConstantPoolException e) {
- throw new RuntimeException(e);
- }
- }
-
- String getType(CONSTANT_NameAndType_info info) {
- try {
- return info.getType();
- } catch (ConstantPoolException e) {
- throw new RuntimeException(e);
- }
- }
-
- public String visitMethodref(CONSTANT_Methodref_info info, Void p) {
- return visitRef(info, p);
- }
-
- public String visitString(CONSTANT_String_info info, Void p) {
- try {
- int string_index = info.string_index;
- return cpool.getUTF8Info(string_index).accept(this, p);
- } catch (ConstantPoolException e) {
- throw new RuntimeException(e);
- }
- }
-
- public String visitUtf8(CONSTANT_Utf8_info info, Void p) {
- String s = info.value;
- StringBuilder sb = new StringBuilder();
- for (int i = 0; i < s.length(); i++) {
- char c = s.charAt(i);
- switch (c) {
- case '\t':
- sb.append('\\').append('t');
- break;
- case '\n':
- sb.append('\\').append('n');
- break;
- case '\r':
- sb.append('\\').append('r');
- break;
- case '\"':
- sb.append('\\').append('\"');
- break;
- default:
- sb.append(c);
- }
- }
- return sb.toString();
- }
-
- String visitRef(CPRefInfo info, Void p) {
- String cn = getCheckedClassName(info);
- String nat;
- try {
- nat = info.getNameAndTypeInfo().accept(this, p);
- } catch (ConstantPoolException e) {
- nat = e.getMessage();
- }
- return cn + "." + nat;
- }
-
- String getCheckedClassName(CPRefInfo info) {
- try {
- return checkName(info.getClassName());
- } catch (ConstantPoolException e) {
- throw new RuntimeException(e);
- }
- }
- }
- /* If name is a valid binary name, return it; otherwise quote it. */
-
- private static String checkName(String name) {
- if (name == null) {
- return "null";
- }
-
- int len = name.length();
- if (len == 0) {
- return "\"\"";
- }
-
- int cc = '/';
- int cp;
- for (int k = 0; k < len; k += Character.charCount(cp)) {
- cp = name.codePointAt(k);
- if ((cc == '/' && !Character.isJavaIdentifierStart(cp)) || (cp != '/' && !Character.isJavaIdentifierPart(cp))) {
- return "\"" + name + "\"";
- }
- cc = cp;
- }
- return name;
- }
-
- String tagName(int index) {
- try {
- int tag = cpool.get(index).getTag();
- switch (tag) {
- case CONSTANT_Utf8:
- return "Utf8";
- case CONSTANT_Integer:
- return "int";
- case CONSTANT_Float:
- return "float";
- case CONSTANT_Long:
- return "long";
- case CONSTANT_Double:
- return "double";
- case CONSTANT_Class:
- return "class";
- case CONSTANT_String:
- return "String";
- case CONSTANT_Fieldref:
- return "Field";
- case CONSTANT_Methodref:
- return "Method";
- case CONSTANT_InterfaceMethodref:
- return "InterfaceMethod";
- case CONSTANT_NameAndType:
- return "NameAndType";
- default:
- return "(unknown tag)";
- }
- } catch (InvalidIndex e) {
- throw new RuntimeException(e);
- }
- }
-}