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test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java@959103a6100f (annotated)

test/tools/javac/processing/model/element/TestMissingElement/TestMissingElement.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24
aoqi@0	25	/*
aoqi@0	26	* @test
aoqi@0	27	* @bug 6639645 7026414 7025809
aoqi@0	28	* @summary Modeling type implementing missing interfaces
aoqi@0	29	* @library /tools/javac/lib
aoqi@0	30	* @build JavacTestingAbstractProcessor TestMissingElement
aoqi@0	31	* @compile/fail/ref=TestMissingElement.ref -proc:only -XprintRounds -XDrawDiagnostics -processor TestMissingElement InvalidSource.java
aoqi@0	32	*/
aoqi@0	33
aoqi@0	34	import java.io.PrintWriter;
aoqi@0	35	import java.util.*;
aoqi@0	36	import javax.annotation.processing.*;
aoqi@0	37	import javax.lang.model.element.*;
aoqi@0	38	import javax.lang.model.type.*;
aoqi@0	39	import javax.lang.model.util.*;
aoqi@0	40	import static javax.tools.Diagnostic.Kind.*;
aoqi@0	41
aoqi@0	42	import com.sun.tools.javac.processing.JavacProcessingEnvironment;
aoqi@0	43	import com.sun.tools.javac.util.Log;
aoqi@0	44
aoqi@0	45	public class TestMissingElement extends JavacTestingAbstractProcessor {
aoqi@0	46	private PrintWriter out;
aoqi@0	47
aoqi@0	48	@Override
aoqi@0	49	public void init(ProcessingEnvironment env) {
aoqi@0	50	super.init(env);
aoqi@0	51	out = ((JavacProcessingEnvironment) env).getContext().get(Log.outKey);
aoqi@0	52	}
aoqi@0	53
aoqi@0	54	@Override
aoqi@0	55	public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
aoqi@0	56	for (TypeElement te: ElementFilter.typesIn(roundEnv.getRootElements())) {
aoqi@0	57	if (isSimpleName(te, "InvalidSource")) {
aoqi@0	58	for (Element c: te.getEnclosedElements()) {
aoqi@0	59	for (AnnotationMirror am: c.getAnnotationMirrors()) {
aoqi@0	60	Element ate = am.getAnnotationType().asElement();
aoqi@0	61	if (isSimpleName(ate, "ExpectInterfaces")) {
aoqi@0	62	checkInterfaces((TypeElement) c, getValue(am));
aoqi@0	63	} else if (isSimpleName(ate, "ExpectSupertype")) {
aoqi@0	64	checkSupertype((TypeElement) c, getValue(am));
aoqi@0	65	}
aoqi@0	66	}
aoqi@0	67	}
aoqi@0	68	}
aoqi@0	69	}
aoqi@0	70	return true;
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	private boolean isSimpleName(Element e, String name) {
aoqi@0	74	return e.getSimpleName().contentEquals(name);
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	private String getValue(AnnotationMirror am) {
aoqi@0	78	Map<? extends ExecutableElement, ? extends AnnotationValue> map = am.getElementValues();
aoqi@0	79	if (map.size() != 1) throw new IllegalArgumentException();
aoqi@0	80	AnnotationValue v = map.values().iterator().next();
aoqi@0	81	return (String) v.getValue();
aoqi@0	82	}
aoqi@0	83
aoqi@0	84	private void checkInterfaces(TypeElement te, String expect) {
aoqi@0	85	out.println("check interfaces: " + te + " -- " + expect);
aoqi@0	86	String found = asString(te.getInterfaces(), ", ");
aoqi@0	87	checkEqual("interfaces", te, found, expect);
aoqi@0	88	}
aoqi@0	89
aoqi@0	90	private void checkSupertype(TypeElement te, String expect) {
aoqi@0	91	out.println("check supertype: " + te + " -- " + expect);
aoqi@0	92	String found = asString(te.getSuperclass());
aoqi@0	93	checkEqual("supertype", te, found, expect);
aoqi@0	94	}
aoqi@0	95
aoqi@0	96	private void checkEqual(String label, TypeElement te, String found, String expect) {
aoqi@0	97	if (found.equals(expect)) {
aoqi@0	98	// messager.printMessage(NOTE, "expected " + label + " found: " + expect, te);
aoqi@0	99	} else {
aoqi@0	100	out.println("unexpected " + label + ": " + te + "\n"
aoqi@0	101	+ " found: " + found + "\n"
aoqi@0	102	+ "expect: " + expect);
aoqi@0	103	messager.printMessage(ERROR, "unexpected " + label + " found: " + found + "; expected: " + expect, te);
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	private String asString(List<? extends TypeMirror> ts, String sep) {
aoqi@0	108	StringBuilder sb = new StringBuilder();
aoqi@0	109	for (TypeMirror t: ts) {
aoqi@0	110	if (sb.length() != 0) sb.append(sep);
aoqi@0	111	sb.append(asString(t));
aoqi@0	112	}
aoqi@0	113	return sb.toString();
aoqi@0	114	}
aoqi@0	115
aoqi@0	116	private String asString(TypeMirror t) {
aoqi@0	117	if (t == null)
aoqi@0	118	return "[typ:null]";
aoqi@0	119	return t.accept(new SimpleTypeVisitor<String, Void>() {
aoqi@0	120	@Override
aoqi@0	121	public String defaultAction(TypeMirror t, Void ignore) {
aoqi@0	122	return "[typ:" + t.toString() + "]";
aoqi@0	123	}
aoqi@0	124
aoqi@0	125	@Override
aoqi@0	126	public String visitDeclared(DeclaredType t, Void ignore) {
aoqi@0	127	checkEqual(t.asElement(), types.asElement(t));
aoqi@0	128	String s = asString(t.asElement());
aoqi@0	129	List<? extends TypeMirror> args = t.getTypeArguments();
aoqi@0	130	if (!args.isEmpty())
aoqi@0	131	s += "<" + asString(args, ",") + ">";
aoqi@0	132	return s;
aoqi@0	133	}
aoqi@0	134
aoqi@0	135	@Override
aoqi@0	136	public String visitTypeVariable(TypeVariable t, Void ignore) {
aoqi@0	137	return "tvar " + t;
aoqi@0	138	}
aoqi@0	139
aoqi@0	140	@Override
aoqi@0	141	public String visitError(ErrorType t, Void ignore) {
aoqi@0	142	return "!:" + visitDeclared(t, ignore);
aoqi@0	143	}
aoqi@0	144	}, null);
aoqi@0	145	}
aoqi@0	146
aoqi@0	147	private String asString(Element e) {
aoqi@0	148	if (e == null)
aoqi@0	149	return "[elt:null]";
aoqi@0	150	return e.accept(new SimpleElementVisitor<String, Void>() {
aoqi@0	151	@Override
aoqi@0	152	public String defaultAction(Element e, Void ignore) {
aoqi@0	153	return "[elt:" + e.getKind() + " " + e.toString() + "]";
aoqi@0	154	}
aoqi@0	155	@Override
aoqi@0	156	public String visitPackage(PackageElement e, Void ignore) {
aoqi@0	157	return "pkg " + e.getQualifiedName();
aoqi@0	158	}
aoqi@0	159	@Override
aoqi@0	160	public String visitType(TypeElement e, Void ignore) {
aoqi@0	161	StringBuilder sb = new StringBuilder();
aoqi@0	162	if (e.getEnclosedElements().isEmpty())
aoqi@0	163	sb.append("empty ");
aoqi@0	164	ElementKind ek = e.getKind();
aoqi@0	165	switch (ek) {
aoqi@0	166	case CLASS:
aoqi@0	167	sb.append("clss");
aoqi@0	168	break;
aoqi@0	169	case INTERFACE:
aoqi@0	170	sb.append("intf");
aoqi@0	171	break;
aoqi@0	172	default:
aoqi@0	173	sb.append(ek);
aoqi@0	174	break;
aoqi@0	175	}
aoqi@0	176	sb.append(" ");
aoqi@0	177	Element encl = e.getEnclosingElement();
aoqi@0	178	if (!isUnnamedPackage(encl) && encl.asType().getKind() != TypeKind.NONE) {
aoqi@0	179	sb.append("(");
aoqi@0	180	sb.append(asString(encl));
aoqi@0	181	sb.append(")");
aoqi@0	182	sb.append(".");
aoqi@0	183	}
aoqi@0	184	sb.append(e.getSimpleName());
aoqi@0	185	if (e.asType().getKind() == TypeKind.ERROR) sb.append("!");
aoqi@0	186	return sb.toString();
aoqi@0	187	}
aoqi@0	188	}, null);
aoqi@0	189	}
aoqi@0	190
aoqi@0	191	boolean isUnnamedPackage(Element e) {
aoqi@0	192	return (e != null && e.getKind() == ElementKind.PACKAGE
aoqi@0	193	&& ((PackageElement) e).isUnnamed());
aoqi@0	194	}
aoqi@0	195
aoqi@0	196	void checkEqual(Element e1, Element e2) {
aoqi@0	197	if (e1 != e2) {
aoqi@0	198	throw new AssertionError("elements not equal as expected: "
aoqi@0	199	+ e1 + ", " + e2);
aoqi@0	200	}
aoqi@0	201	}
aoqi@0	202	}
aoqi@0	203
aoqi@0	204
aoqi@0	205