70         {"-option", "name1:name2"},
  71         {"-option", "3"},
  72         {"option1", "-J-version", "option2"},
  73         {"option1", "-J-version", "-J-XshowSettings:vm", "option2"},};
  74 
  75     static void init() throws IOException {
  76 
  77         // A tool which simulates com.sun.tools.javac.Main argument processing,
  78         // intercepts options passed via the javac launcher.
  79         final String mainJava = "Main" + JAVA_FILE_EXT;
  80         List<String> contents = new ArrayList<>();
  81         contents.add("package com.sun.tools.javac;");
  82         contents.add("public class Main {");
  83         contents.add("    public static void main(String... args) {\n");
  84         contents.add("       for (String x : args) {\n");
  85         contents.add("           if(x.compareTo(\" \")!=0)\n");
  86         contents.add("               System.out.println(x);\n");
  87         contents.add("       }\n");
  88         contents.add("    }\n");
  89         contents.add("}\n");
  90         createFile(new File(mainJava), contents);



  91 
  92         // compile Main.java into directory to override classes in jdk.compiler
  93         new File("jdk.compiler").mkdir();
  94         compile("-Xmodule:jdk.compiler", "-d", "jdk.compiler", mainJava);


  95     }
  96 
  97     static void pass(String msg) {
  98         System.out.println("pass: " + msg);
  99     }
 100 
 101     static void errout(String msg) {
 102         System.err.println(msg);
 103     }
 104 
 105     // Return position of -J option or -1 is does not contain a -J option.
 106     static int indexOfJoption(String[] opts) {
 107         for (int i = 0; i < opts.length; i++) {
 108             if (opts[i].startsWith("-J")) {
 109                 return i;
 110             }
 111         }
 112         return -1;
 113     }
 114 

  70         {"-option", "name1:name2"},
  71         {"-option", "3"},
  72         {"option1", "-J-version", "option2"},
  73         {"option1", "-J-version", "-J-XshowSettings:vm", "option2"},};
  74 
  75     static void init() throws IOException {
  76 
  77         // A tool which simulates com.sun.tools.javac.Main argument processing,
  78         // intercepts options passed via the javac launcher.
  79         final String mainJava = "Main" + JAVA_FILE_EXT;
  80         List<String> contents = new ArrayList<>();
  81         contents.add("package com.sun.tools.javac;");
  82         contents.add("public class Main {");
  83         contents.add("    public static void main(String... args) {\n");
  84         contents.add("       for (String x : args) {\n");
  85         contents.add("           if(x.compareTo(\" \")!=0)\n");
  86         contents.add("               System.out.println(x);\n");
  87         contents.add("       }\n");
  88         contents.add("    }\n");
  89         contents.add("}\n");
  90         String mainJavaPath = "patch-src/com/sun/tools/javac/" + mainJava;
  91         File mainJavaFile = new File(mainJavaPath.replace('/', File.separatorChar));
  92         mainJavaFile.getParentFile().mkdirs();
  93         createFile(mainJavaFile, contents);
  94 
  95         // compile Main.java into directory to override classes in jdk.compiler
  96         new File("jdk.compiler").mkdir();
  97         compile("--patch-module", "jdk.compiler=patch-src",
  98                 "-d", "jdk.compiler",
  99                 mainJavaFile.toString());
 100     }
 101 
 102     static void pass(String msg) {
 103         System.out.println("pass: " + msg);
 104     }
 105 
 106     static void errout(String msg) {
 107         System.err.println(msg);
 108     }
 109 
 110     // Return position of -J option or -1 is does not contain a -J option.
 111     static int indexOfJoption(String[] opts) {
 112         for (int i = 0; i < opts.length; i++) {
 113             if (opts[i].startsWith("-J")) {
 114                 return i;
 115             }
 116         }
 117         return -1;
 118     }
 119