1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/lambdaShapes/org/openjdk/tests/separate/SourceModel.java Tue Nov 20 09:58:55 2012 -0800
1.3 @@ -0,0 +1,582 @@
1.4 +/*
1.5 + * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package org.openjdk.tests.separate;
1.30 +
1.31 +import java.util.*;
1.32 +import java.io.StringWriter;
1.33 +import java.io.PrintWriter;
1.34 +
1.35 +public class SourceModel {
1.36 +
1.37 + public static final String stdMethodName = "m";
1.38 +
1.39 + public static interface SourceProcessor {
1.40 + // Called with a generated source file
1.41 + void process(String name, String content);
1.42 + }
1.43 +
1.44 + public static abstract class Element {
1.45 +
1.46 + protected abstract void generate(PrintWriter pw);
1.47 +
1.48 + public String toString() {
1.49 + StringWriter sw = new StringWriter();
1.50 + PrintWriter pw = new PrintWriter(sw);
1.51 + generate(pw);
1.52 + return sw.toString();
1.53 + }
1.54 + };
1.55 +
1.56 + public static class AccessFlag extends Element {
1.57 + private String flag;
1.58 +
1.59 + public AccessFlag(String name) { flag = name; }
1.60 +
1.61 + protected void generate(PrintWriter pw) {
1.62 + pw.print(flag);
1.63 + }
1.64 +
1.65 + public String toString() { return flag; }
1.66 +
1.67 + public static final AccessFlag PUBLIC = new AccessFlag("public");
1.68 + public static final AccessFlag PRIVATE = new AccessFlag("private");
1.69 + public static final AccessFlag PROTECTED = new AccessFlag("protected");
1.70 + public static final AccessFlag STATIC = new AccessFlag("static");
1.71 + public static final AccessFlag FINAL = new AccessFlag("final");
1.72 + public static final AccessFlag SYNCHRONIZED = new AccessFlag("synchronized");
1.73 + public static final AccessFlag VOLATILE = new AccessFlag("volatile");
1.74 + public static final AccessFlag NATIVE = new AccessFlag("native");
1.75 + public static final AccessFlag ABSTRACT = new AccessFlag("abstract");
1.76 + public static final AccessFlag STRICTFP = new AccessFlag("strictfp");
1.77 + public static final AccessFlag DEFAULT = new AccessFlag("default");
1.78 + }
1.79 +
1.80 + public static class TypeParameter extends Element {
1.81 + private String parameter;
1.82 +
1.83 + public TypeParameter(String str) {
1.84 + this.parameter = str;
1.85 + }
1.86 +
1.87 + protected void generate(PrintWriter pw) {
1.88 + pw.print(parameter);
1.89 + }
1.90 + }
1.91 +
1.92 + public static class TypeArgument extends Element {
1.93 + private String argument;
1.94 +
1.95 + public TypeArgument(String str) {
1.96 + this.argument = str;
1.97 + }
1.98 +
1.99 + protected void generate(PrintWriter pw) {
1.100 + pw.print(argument);
1.101 + }
1.102 + }
1.103 +
1.104 + public static class MethodParameter extends Element {
1.105 + private String type;
1.106 + private String name;
1.107 +
1.108 + public MethodParameter(String type, String name) {
1.109 + this.type = type;
1.110 + this.name = name;
1.111 + }
1.112 +
1.113 + protected void generate(PrintWriter pw) {
1.114 + pw.printf("%s %s", this.type, this.name);
1.115 + }
1.116 +
1.117 + public String toString() { return type + " " + name; }
1.118 + }
1.119 +
1.120 + public static abstract class Type extends Element {
1.121 + private String name;
1.122 + private List<AccessFlag> accessFlags;
1.123 + private List<TypeParameter> parameters;
1.124 + private List<Extends> supertypes;
1.125 + private List<Method> methods;
1.126 +
1.127 + // methods from superclasses that are required for compilation
1.128 + // (and thus will be present in stubs)
1.129 + private Set<Method> methodDependencies;
1.130 + private List<Type> typeDependencies;
1.131 +
1.132 + protected Type(String name,
1.133 + List<AccessFlag> flags, List<TypeParameter> params,
1.134 + List<Extends> ifaces, List<Method> methods) {
1.135 + this.name = name;
1.136 + this.accessFlags = flags == null ? new ArrayList<>() : flags;
1.137 + this.parameters = params == null ? new ArrayList<>() : params;
1.138 + this.supertypes = ifaces == null ? new ArrayList<>() : ifaces;
1.139 + this.methods = methods == null ? new ArrayList<>() : methods;
1.140 + this.methodDependencies = new HashSet<>();
1.141 + this.typeDependencies = new ArrayList<>();
1.142 + }
1.143 +
1.144 + public String getName() { return this.name; }
1.145 + public List<AccessFlag> getAccessFlags() { return this.accessFlags; }
1.146 + public List<TypeParameter> getParameters() { return this.parameters; }
1.147 + public List<Extends> getSupertypes() { return this.supertypes; }
1.148 + public List<Method> getMethods() { return this.methods; }
1.149 + public Set<Method> methodDependencies() {
1.150 + return this.methodDependencies;
1.151 + }
1.152 +
1.153 + public Class getSuperclass() { return null; }
1.154 + protected abstract void setSuperClass(Extends supertype);
1.155 +
1.156 + public void addSuperType(Extends sup) {
1.157 + assert sup.getType() instanceof Interface : "Must be an interface";
1.158 + this.supertypes.add(sup);
1.159 + }
1.160 + public void addSuperType(Interface iface) {
1.161 + this.supertypes.add(new Extends(iface));
1.162 + }
1.163 +
1.164 + public void addMethod(Method m) {
1.165 + this.methods.add(m);
1.166 + }
1.167 +
1.168 + public void addAccessFlag(AccessFlag f) {
1.169 + this.accessFlags.add(f);
1.170 + }
1.171 +
1.172 + // Convenience method for creation. Parameters are interpreted
1.173 + // according to their type. Class (or Extends with a Class type) is
1.174 + // considered a superclass (only one allowed). TypeParameters are
1.175 + // generic parameter names. Interface (or Extends with an Interface
1.176 + // type) is an implemented supertype. Methods are methods (duh!).
1.177 + protected void addComponent(Element p) {
1.178 + if (p instanceof Class) {
1.179 + setSuperClass(new Extends((Class)p));
1.180 + } else if (p instanceof Extends) {
1.181 + Extends ext = (Extends)p;
1.182 + if (ext.supertype instanceof Class) {
1.183 + setSuperClass(ext);
1.184 + } else if (ext.supertype instanceof Interface) {
1.185 + addSuperType(ext);
1.186 + } else {
1.187 + assert false : "What is this thing?";
1.188 + }
1.189 + } else if (p instanceof Interface) {
1.190 + addSuperType((Interface)p);
1.191 + } else if (p instanceof TypeParameter) {
1.192 + this.parameters.add((TypeParameter)p);
1.193 + } else if (p instanceof Method) {
1.194 + addMethod((Method)p);
1.195 + } else if (p instanceof AccessFlag) {
1.196 + addAccessFlag((AccessFlag)p);
1.197 + } else {
1.198 + assert false : "What is this thing?";
1.199 + }
1.200 + }
1.201 +
1.202 + // Find and return the first method that has name 'name'
1.203 + public Method findMethod(String name) {
1.204 + for (Method m : methods) {
1.205 + if (m.name.equals(name)) {
1.206 + return m;
1.207 + }
1.208 + }
1.209 + return null;
1.210 + }
1.211 +
1.212 + public void addCompilationDependency(Type t) {
1.213 + typeDependencies.add(t);
1.214 + }
1.215 +
1.216 + public void addCompilationDependency(Method m) {
1.217 + methodDependencies.add(m);
1.218 + }
1.219 +
1.220 + // Convenience method for creating an Extends object using this
1.221 + // class and specified type arguments.
1.222 + public Extends with(String ... args) {
1.223 + return new Extends(this, args);
1.224 + }
1.225 +
1.226 + public abstract void generate(SourceProcessor sp);
1.227 + public abstract void generateAsDependency(
1.228 + SourceProcessor sp, Set<Method> neededMethods);
1.229 +
1.230 + protected void generateName(PrintWriter pw) {
1.231 + pw.print(this.name);
1.232 + toJoinedString(this.parameters, ",", "<", ">", "");
1.233 + pw.print(toJoinedString(this.parameters, ",", "<", ">", ""));
1.234 + pw.print(" ");
1.235 + }
1.236 +
1.237 + protected void generateBody(PrintWriter pw, String superSpec) {
1.238 + pw.print(toJoinedString(this.supertypes, ",", superSpec + " ", " ", ""));
1.239 + pw.println("{ ");
1.240 + pw.print(toJoinedString(this.methods, "\n ", "\n ", "\n", ""));
1.241 + pw.println("}");
1.242 + }
1.243 +
1.244 + protected void generateAccessFlags(PrintWriter pw) {
1.245 + pw.print(toJoinedString(this.accessFlags, " ", "", " "));
1.246 + }
1.247 +
1.248 + protected void generateBodyAsDependency(
1.249 + PrintWriter pw, Set<Method> neededMethods) {
1.250 + pw.println(" {");
1.251 + for (Method m : this.methods) {
1.252 + if (neededMethods.contains(m)) {
1.253 + pw.print(" ");
1.254 + m.generate(pw);
1.255 + pw.println();
1.256 + }
1.257 + }
1.258 + pw.println("}");
1.259 + }
1.260 +
1.261 + public Collection<Type> typeDependencies() {
1.262 + HashMap<String,Type> dependencies = new HashMap<>();
1.263 + Type superclass = getSuperclass();
1.264 + if (superclass != null) {
1.265 + dependencies.put(superclass.getName(), superclass);
1.266 + }
1.267 + for (Extends e : getSupertypes())
1.268 + dependencies.put(e.getType().getName(), e.getType());
1.269 + // Do these last so that they override
1.270 + for (Type t : this.typeDependencies)
1.271 + dependencies.put(t.getName(), t);
1.272 + return dependencies.values();
1.273 + }
1.274 + }
1.275 +
1.276 + public static class Class extends Type {
1.277 + private Extends superClass;
1.278 +
1.279 + public Class(String name, List<AccessFlag> flags,
1.280 + List<TypeParameter> params, Extends sprClass,
1.281 + List<Extends> interfaces, List<Method> methods) {
1.282 + super(name, flags, params, interfaces, methods);
1.283 + this.superClass = sprClass;
1.284 + addAccessFlag(AccessFlag.PUBLIC); // should remove this
1.285 + }
1.286 +
1.287 + public Class(String name, Element ... components) {
1.288 + super(name, null, null, null, null);
1.289 + this.superClass = null;
1.290 +
1.291 + for (Element p : components) {
1.292 + addComponent(p);
1.293 + }
1.294 + addAccessFlag(AccessFlag.PUBLIC); // should remove this
1.295 + }
1.296 +
1.297 + public boolean isAbstract() {
1.298 + for (AccessFlag flag : getAccessFlags()) {
1.299 + if (flag == AccessFlag.ABSTRACT) {
1.300 + return true;
1.301 + }
1.302 + }
1.303 + return false;
1.304 + }
1.305 +
1.306 + @Override
1.307 + public void setSuperClass(Extends ext) {
1.308 + assert this.superClass == null : "Multiple superclasses defined";
1.309 + assert ext.getType() instanceof Class : "Must be a class";
1.310 + this.superClass = ext;
1.311 + }
1.312 +
1.313 + public void setSuperClass(Class c) {
1.314 + setSuperClass(new Extends(c));
1.315 + }
1.316 +
1.317 + @Override
1.318 + public Class getSuperclass() {
1.319 + return superClass == null ? null : (Class)superClass.supertype;
1.320 + }
1.321 +
1.322 + public void generate(SourceProcessor processor) {
1.323 + StringWriter sw = new StringWriter();
1.324 + PrintWriter pw = new PrintWriter(sw);
1.325 + generate(pw);
1.326 + processor.process(getName(), sw.toString());
1.327 + }
1.328 +
1.329 + public void generate(PrintWriter pw) {
1.330 + generateAccessFlags(pw);
1.331 + pw.print("class ");
1.332 + generateName(pw);
1.333 + if (superClass != null) {
1.334 + pw.print("extends ");
1.335 + superClass.generate(pw);
1.336 + pw.print(" ");
1.337 + }
1.338 + generateBody(pw, "implements");
1.339 + }
1.340 +
1.341 + public void generateAsDependency(
1.342 + SourceProcessor processor, Set<Method> neededMethods) {
1.343 + StringWriter sw = new StringWriter();
1.344 + PrintWriter pw = new PrintWriter(sw);
1.345 + generateAccessFlags(pw);
1.346 + pw.print("class ");
1.347 + generateName(pw);
1.348 + pw.print(" ");
1.349 + generateBodyAsDependency(pw, neededMethods);
1.350 +
1.351 + processor.process(getName(), sw.toString());
1.352 + }
1.353 + }
1.354 +
1.355 + public static class Interface extends Type {
1.356 +
1.357 + public Interface(String name,
1.358 + List<AccessFlag> flags, List<TypeParameter> params,
1.359 + List<Extends> interfaces, List<Method> methods) {
1.360 + super(name, flags, params, interfaces, methods);
1.361 + }
1.362 +
1.363 + public Interface(String name, Element ... components) {
1.364 + super(name, null, null, null, null);
1.365 + for (Element c : components) {
1.366 + addComponent(c);
1.367 + }
1.368 + }
1.369 +
1.370 + protected void setSuperClass(Extends ext) {
1.371 + assert false : "Interfaces cannot have Class supertypes";
1.372 + }
1.373 +
1.374 + public void generate(SourceProcessor processor) {
1.375 + StringWriter sw = new StringWriter();
1.376 + PrintWriter pw = new PrintWriter(sw);
1.377 + generate(pw);
1.378 + processor.process(getName(), sw.toString());
1.379 + }
1.380 +
1.381 + public void generate(PrintWriter pw) {
1.382 + generateAccessFlags(pw);
1.383 + pw.print("interface ");
1.384 + generateName(pw);
1.385 + pw.print(" ");
1.386 + generateBody(pw, "extends");
1.387 + }
1.388 +
1.389 + public void generateAsDependency(
1.390 + SourceProcessor processor, Set<Method> neededMethods) {
1.391 + StringWriter sw = new StringWriter();
1.392 + PrintWriter pw = new PrintWriter(sw);
1.393 +
1.394 + generateAccessFlags(pw);
1.395 + pw.print("interface ");
1.396 + generateName(pw);
1.397 + pw.print(" ");
1.398 + generateBodyAsDependency(pw, neededMethods);
1.399 +
1.400 + processor.process(getName(), sw.toString());
1.401 + }
1.402 + }
1.403 +
1.404 + /**
1.405 + * Represents a type extension that might contain type arguments
1.406 + */
1.407 + public static class Extends extends Element {
1.408 + private final Type supertype;
1.409 + private final List<TypeArgument> arguments;
1.410 +
1.411 + public Type getType() { return supertype; }
1.412 + public List<TypeArgument> getArguments() {
1.413 + return arguments;
1.414 + }
1.415 +
1.416 + public Extends(Type supertype, String ... args) {
1.417 + assert supertype != null : "Null supertype";
1.418 + this.supertype = supertype;
1.419 + this.arguments = new ArrayList<>();
1.420 + for (String arg : args) {
1.421 + this.arguments.add(new TypeArgument(arg));
1.422 + }
1.423 + }
1.424 +
1.425 + public void generate(PrintWriter pw) {
1.426 + pw.print(supertype.getName());
1.427 + pw.print(toJoinedString(getArguments(), ",", "<", ">", ""));
1.428 + }
1.429 + }
1.430 +
1.431 + public static abstract class Method extends Element {
1.432 + private String name;
1.433 + private String returnType;
1.434 + private List<AccessFlag> accessFlags;
1.435 + private List<MethodParameter> parameters;
1.436 + private boolean emitSuppressWarnings;
1.437 +
1.438 + protected Method(String ret, String name, Element ... params) {
1.439 + this.name = name;
1.440 + this.returnType = ret;
1.441 + this.accessFlags = new ArrayList<>();
1.442 + this.parameters = new ArrayList<>();
1.443 + this.emitSuppressWarnings = false;
1.444 +
1.445 + for (Element e : params) {
1.446 + if (e instanceof MethodParameter) {
1.447 + this.parameters.add((MethodParameter) e);
1.448 + } else if (e instanceof AccessFlag) {
1.449 + this.accessFlags.add((AccessFlag) e);
1.450 + }
1.451 + }
1.452 + assert accessFlags.size() + parameters.size() == params.length :
1.453 + "Non method parameters or access flags in constructor";
1.454 + }
1.455 +
1.456 + public String getName() { return this.name; }
1.457 + public String getReturnType() { return this.returnType; }
1.458 + public List<MethodParameter> getParameters() {
1.459 + return this.parameters;
1.460 + }
1.461 + public List<AccessFlag> getAccessFlags() {
1.462 + return this.accessFlags;
1.463 + }
1.464 + public Element[] getElements() {
1.465 + ArrayList<Element> elements = new ArrayList<>();
1.466 + elements.addAll(getParameters());
1.467 + elements.addAll(getAccessFlags());
1.468 + return elements.toArray(new Element[0]);
1.469 + }
1.470 +
1.471 + public void suppressWarnings() { this.emitSuppressWarnings = true; }
1.472 +
1.473 + public void generateWarningSuppression(PrintWriter pw) {
1.474 + if (this.emitSuppressWarnings) {
1.475 + pw.printf("@SuppressWarnings(\"unchecked\")\n ");
1.476 + }
1.477 + }
1.478 +
1.479 + protected void generateDecl(PrintWriter pw) {
1.480 + generateWarningSuppression(pw);
1.481 + pw.print(toJoinedString(this.accessFlags, " ", "", " "));
1.482 + pw.printf("%s %s(", returnType, name);
1.483 + pw.print(toJoinedString(parameters, ","));
1.484 + pw.print(")");
1.485 + }
1.486 + }
1.487 +
1.488 + public static class AbstractMethod extends Method {
1.489 + public AbstractMethod(
1.490 + String ret, String name, Element ... params) {
1.491 + super(ret, name, params);
1.492 + this.getAccessFlags().add(AccessFlag.ABSTRACT);
1.493 + }
1.494 +
1.495 + public void generate(PrintWriter pw) {
1.496 + generateDecl(pw);
1.497 + pw.print(";");
1.498 + }
1.499 +
1.500 + public static AbstractMethod std() {
1.501 + return new AbstractMethod(
1.502 + "int", SourceModel.stdMethodName, AccessFlag.PUBLIC);
1.503 + }
1.504 + }
1.505 +
1.506 + public static class ConcreteMethod extends Method {
1.507 + protected String body;
1.508 +
1.509 + public ConcreteMethod(String ret, String name,
1.510 + String body, Element ... params) {
1.511 + super(ret, name, params);
1.512 + this.body = body;
1.513 + }
1.514 +
1.515 + public void generate(PrintWriter pw) {
1.516 + generateDecl(pw);
1.517 + pw.printf(" { %s }", this.body);
1.518 + }
1.519 +
1.520 + public static ConcreteMethod std(String value) {
1.521 + return new ConcreteMethod(
1.522 + "int", SourceModel.stdMethodName, "return " + value + ";",
1.523 + AccessFlag.PUBLIC);
1.524 + }
1.525 + }
1.526 +
1.527 + // When the default method flag gets moved into the traditional
1.528 + // access flags location, we can remove this class completely and
1.529 + // use a ConcreteMethod with an AccessFlag("default") in the constructor
1.530 + public static class DefaultMethod extends Method {
1.531 + protected String body;
1.532 +
1.533 + public DefaultMethod(String ret, String name, String body,
1.534 + Element ... params) {
1.535 + super(ret, name, params);
1.536 + this.body = body;
1.537 + this.getAccessFlags().add(AccessFlag.DEFAULT);
1.538 + }
1.539 +
1.540 + public void generate(PrintWriter pw) {
1.541 + generateDecl(pw);
1.542 + pw.printf(" { %s }", this.body);
1.543 + }
1.544 +
1.545 + public static DefaultMethod std(String value) {
1.546 + return new DefaultMethod(
1.547 + "int", SourceModel.stdMethodName, "return " + value + ";");
1.548 + }
1.549 + }
1.550 +
1.551 + private static <T> String toJoinedString(List<T> list, String... p) {
1.552 + StringBuilder sb = new StringBuilder();
1.553 + String sep = "";
1.554 + String init = "";
1.555 + String end = "";
1.556 + String empty = null;
1.557 + switch (p.length) {
1.558 + case 4:
1.559 + empty = p[3];
1.560 + /*fall-through*/
1.561 + case 3:
1.562 + end = p[2];
1.563 + /*fall-through*/
1.564 + case 2:
1.565 + init = p[1];
1.566 + /*fall-through*/
1.567 + case 1:
1.568 + sep = p[0];
1.569 + break;
1.570 + }
1.571 + if (empty != null && list.isEmpty()) {
1.572 + return empty;
1.573 + } else {
1.574 + sb.append(init);
1.575 + for (T x : list) {
1.576 + if (sb.length() != init.length()) {
1.577 + sb.append(sep);
1.578 + }
1.579 + sb.append(x.toString());
1.580 + }
1.581 + sb.append(end);
1.582 + return sb.toString();
1.583 + }
1.584 + }
1.585 +}
