1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.test.lib.jittester;
  25 
  26 import jdk.test.lib.jittester.visitors.JavaCodeVisitor;
  27 
  28 import java.io.FileWriter;
  29 import java.io.IOException;
  30 import java.nio.file.Path;
  31 import java.nio.file.Paths;
  32 import java.util.function.BiFunction;
  33 
  34 /**
  35  * Generates class files from java source code
  36  */
  37 class JavaCodeGenerator implements BiFunction<IRNode, IRNode, String> {
  38     private final Path testbase = Paths.get(ProductionParams.testbaseDir.value(), "java_tests");
  39 
  40     private String generateJavaCode(IRNode mainClass, IRNode privateClasses) {
  41         StringBuilder code = new StringBuilder();
  42         JavaCodeVisitor vis = new JavaCodeVisitor();
  43 
  44         code.append(Automatic.getJtregHeader(mainClass.getName(), true));
  45         if (privateClasses != null) {
  46             code.append(privateClasses.accept(vis));
  47         }
  48         code.append(mainClass.accept(vis));
  49 
  50         return code.toString();
  51     }
  52 
  53     public Path getTestbase() {
  54         return testbase;
  55     }
  56 
  57     @Override
  58     public String apply(IRNode mainClass, IRNode privateClasses) {
  59         String code = generateJavaCode(mainClass, privateClasses);
  60         Automatic.ensureExisting(testbase);
  61         Path fileName = testbase.resolve(mainClass.getName() + ".java");
  62         try (FileWriter file = new FileWriter(fileName.toFile())) {
  63             file.write(code);
  64             return fileName.toString();
  65         } catch (IOException ex) {
  66             ex.printStackTrace();
  67         }
  68         return "";
  69     }
  70 }