126 lines
4.3 KiB
Java
126 lines
4.3 KiB
Java
/*
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* Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 6813059
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* @summary
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* @modules jdk.compiler
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*/
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import java.io.*;
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import java.util.*;
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// Simple test of --should-stop:at.
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// For each of the permissable values, we compile a file with an error in it,
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// then using -XDverboseCompilePolicy we check that the compilation gets as
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// far as expected, but no further.
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public class Test {
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enum ShouldStopPolicy {
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BLANK(false, null, "attr"),
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PROCESS(true, null, "attr"),
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ATTR(true, "attr", "flow"),
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FLOW(true, "flow", "desugar"),
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TRANSTYPES(true, "desugar", "generate"),
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LOWER(true, "desugar", "generate"),
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GENERATE(true, "generate", null);
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ShouldStopPolicy(boolean needOption, String expect, String dontExpect) {
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this.needOption = needOption;
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this.expect = expect;
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this.dontExpect = dontExpect;
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}
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boolean needOption;
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String expect;
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String dontExpect;
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}
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enum CompilePolicy {
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BYFILE,
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BYTODO
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}
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public static void main(String... args) throws Exception {
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new Test().run();
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}
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public void run() throws Exception {
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for (CompilePolicy cp: CompilePolicy.values()) {
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for (ShouldStopPolicy ssp: ShouldStopPolicy.values()) {
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test(cp, ssp);
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}
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}
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if (errors > 0)
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throw new Exception(errors + " errors occurred");
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}
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public void test(CompilePolicy cp, ShouldStopPolicy ssp) {
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System.err.println();
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System.err.println("test " + cp + " " + ssp);
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List<String> args = new ArrayList<String>();
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args.add("-XDverboseCompilePolicy");
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args.add("-XDcompilePolicy=" + cp.toString().toLowerCase());
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args.add("-d");
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args.add(".");
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if (ssp.needOption)
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args.add("--should-stop:at=" + ssp);
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args.add(new File(System.getProperty("test.src", "."), "A.java").getPath());
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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System.err.println("compile " + args);
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int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
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if (rc == 0)
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throw new Error("compilation succeeded unexpectedly");
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//System.err.println(sw);
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// The following is a workaround for the current javac implementation,
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// that in bytodo mode, it will still attribute files after syntax errors.
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// Changing that behavior may surprise existing users, so for now, we
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// work around it.
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if (cp == CompilePolicy.BYTODO && ssp == ShouldStopPolicy.PROCESS)
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ssp = ShouldStopPolicy.ATTR;
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boolean foundExpected = (ssp.expect == null);
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String[] lines = sw.toString().split("\n");
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for (String line: lines) {
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if (ssp.expect != null && line.startsWith("[" + ssp.expect))
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foundExpected = true;
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if (ssp.dontExpect != null && line.startsWith("[" + ssp.dontExpect)) {
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error("Unexpected output: " + ssp.dontExpect + "\n" + sw);
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return;
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}
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}
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if (!foundExpected)
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error("Expected output not found: " + ssp.expect + "\n" + sw);
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}
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void error(String message) {
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System.err.println(message);
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errors++;
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}
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int errors;
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}
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