--- a/jdk/make/modules/tools/src/com/sun/classanalyzer/CheckDeps.java Tue Mar 15 15:32:21 2011 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,181 +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 java.io.*;
-import java.util.*;
-
-/**
- * A simple tool to check module dependencies against a known list of
- * dependencies. The tool fails (by throwing a RuntimeException) is an
- * unexpected dependency is detected.
- */
-
-public class CheckDeps {
-
- /**
- * Represents a dependency from one module to another module. The dependency
- * may be optional.
- */
- static class Dependency {
- private final String module;
- private final String other;
- private final boolean optional;
-
- private Dependency(String module, String other, boolean optional) {
- this.module = module;
- this.other = other;
- this.optional = optional;
- }
-
- String module() { return module; }
- String other() { return other; }
- boolean isOptional() { return optional; }
-
- /**
- * Parses a dependency in one of the following forms:
- * a -> b
- * [optional] a -> b
- */
- static Dependency fromString(String s) {
- String[] components = s.split(" ");
- int count = components.length;
- if (count != 3 && count != 4)
- throw new IllegalArgumentException(s);
- boolean optional = (count == 4);
- if (optional && !components[0].equals("[optional]"))
- throw new IllegalArgumentException(s);
- String arrow = optional ? components[2] : components[1];
- if (!arrow.equals("->"))
- throw new IllegalArgumentException(s);
- String module = optional ? components[1] : components[0];
- String other = optional ? components[3] : components[2];
- return new Dependency(module, other, optional);
- }
-
- @Override public String toString() {
- StringBuilder sb = new StringBuilder();
- if (optional)
- sb.append("[optional] ");
- sb.append(module);
- sb.append(" -> ");
- sb.append(other);
- return sb.toString();
- }
- }
-
- /**
- * Represents the "tail"
- */
- static class DependencyTail {
- private final String module;
- private final boolean optional;
-
- DependencyTail(String module, boolean optional) {
- this.module = module;
- this.optional = optional;
- }
- String module() { return module; }
- boolean isOptional() { return optional; }
- }
-
- static void usage() {
- System.out.println("java CheckDeps file1 file2");
- System.out.println(" where file1 is the expected dependencies and file2 is");
- System.out.println(" the actual dependencies. Both files are assumed to be");
- System.out.println(" in modules.summary format (see ClassAnalyzer tool).");
- System.out.println();
- System.out.println("Example usages:");
- System.out.println(" java CheckDeps make/modules/modules.summary " +
- "$(OUTPUTDIR)/modules.summary");
- System.exit(-1);
- }
-
- public static void main(String[] args) throws IOException {
- if (args.length != 2)
- usage();
-
- // maps a module to the list of modules that it depends on
- Map<String,List<DependencyTail>> expected =
- new HashMap<String,List<DependencyTail>>();
-
- // parse the expected dependencies file
- Scanner s;
- s = new Scanner(new FileInputStream(args[0]));
- try {
- while (s.hasNextLine()) {
- Dependency ref = Dependency.fromString(s.nextLine());
- if (ref != null) {
- String module = ref.module();
- List<DependencyTail> list = expected.get(module);
- if (list == null) {
- list = new ArrayList<DependencyTail>();
- expected.put(module, list);
- }
- list.add(new DependencyTail(ref.other(), ref.isOptional()));
- }
- }
- } finally {
- s.close();
- }
-
- // parse the actual dependencies file, checking each dependency
- // against the expected list.
- boolean fail = false;
- s = new Scanner(new FileInputStream(args[1]));
- try {
- while (s.hasNextLine()) {
- Dependency dep = Dependency.fromString(s.nextLine());
-
- // check if this dependency is expected
- List<DependencyTail> list = expected.get(dep.module());
- DependencyTail tail = null;
- if (list != null) {
- for (DependencyTail t: list) {
- if (t.module().equals(dep.other())) {
- tail = t;
- break;
- }
- }
- }
- if (tail == null) {
- System.err.println("Unexpected dependency: " + dep);
- fail = true;
- } else {
- // hard dependency when optional dependency is expected
- if (tail.isOptional() != dep.isOptional()) {
- if (tail.isOptional()) {
- System.err.println("Unexpected dependency: " + dep);
- fail = true;
- }
- }
- }
- }
- } finally {
- s.close();
- }
-
- if (fail)
- throw new RuntimeException("Unexpected dependencies found");
- }
-}