program.java

JDK1.4编译器前端

      String[] bootclasspaths;
      if(Program.hasValueForOption("-bootclasspath"))
        bootclasspaths = Program.getValueForOption("-bootclasspath").split(File.pathSeparator);
      else
        bootclasspaths = System.getProperty("sun.boot.class.path").split(File.pathSeparator);
      for(int i = 0; i < bootclasspaths.length; i++) {
        classPaths.add(bootclasspaths[i]);
        //System.err.println("Adding classpath " + bootclasspaths[i]);
      }
      
      String[] extdirs;
      if(Program.hasValueForOption("-extdirs"))
        extdirs = Program.getValueForOption("-extdirs").split(File.pathSeparator);
      else
        extdirs = System.getProperty("java.ext.dirs").split(File.pathSeparator);
      for(int i = 0; i < extdirs.length; i++) {
        classPaths.add(extdirs[i]);
        //System.err.println("Adding classpath " + extdirs[i]);
      }

      String[] userClasses = null;
      if(Program.hasValueForOption("-classpath"))
        userClasses = Program.getValueForOption("-classpath").split(File.pathSeparator);
      else {
        String s = System.getProperty("java.class.path");
        if(s != null && s.length() > 0) {
          s = s + File.pathSeparator + "."; // TODO; This should not be necessary
          userClasses = s.split(File.pathSeparator);
        }
        else
          userClasses = ".".split(File.pathSeparator);
      }
      if(!Program.hasValueForOption("-sourcepath")) {
        for(int i = 0; i < userClasses.length; i++) {
          classPaths.add(userClasses[i]);
          sourcePaths.add(userClasses[i]);
          //System.err.println("Adding classpath/sourcepath " + userClasses[i]);
        }
      }
      else {
        for(int i = 0; i < userClasses.length; i++) {
          classPaths.add(userClasses[i]);
          //System.err.println("Adding classpath " + userClasses[i]);
        }
        userClasses = Program.getValueForOption("-sourcepath").split(File.pathSeparator);
        for(int i = 0; i < userClasses.length; i++) {
          sourcePaths.add(userClasses[i]);
          //System.err.println("Adding sourcepath " + userClasses[i]);
        }
      }
        
      classPath = new ArrayList();
      sourcePath = new ArrayList();
      
      for(Iterator iter = classPaths.iterator(); iter.hasNext(); ) {
        String s = (String)iter.next();
        PathPart part = PathPart.createClassPath(s, this);
        if(part != null) {
          classPath.add(part);
          //System.out.println("Adding classpath " + s);
        }
        else if(Program.verbose())
          System.out.println("Warning: Could not use " + s + " as class path");
      }
      for(Iterator iter = sourcePaths.iterator(); iter.hasNext(); ) {
        String s = (String)iter.next();
        PathPart part = PathPart.createSourcePath(s, this);
        if(part != null) {
          sourcePath.add(part);
          //System.out.println("Adding sourcepath " + s);
        }
        else if(Program.verbose())
          System.out.println("Warning: Could not use " + s + " as source path");
      }
    }
  }

    // Declared in ClassPath.jrag at line 541


  // remove user defined classes from this program but keep library classes
  public void simpleReset() {
    lookupType_String_String_values = new HashMap();
    hasPackage_String_values = new HashMap();
    List list = new List();
    for(int i = 0; i < getNumCompilationUnit(); i++) {
      CompilationUnit unit = getCompilationUnit(i);
      if(!unit.fromSource()) {
        list.add(unit);
      }
    }
    setCompilationUnitList(list);
  }

    // Declared in ErrorCheck.jrag at line 210


  public void errorCheck(Collection collection) {
    for(Iterator iter = compilationUnitIterator(); iter.hasNext(); ) {
      CompilationUnit cu = (CompilationUnit)iter.next();
      if(cu.fromSource()) {
        cu.collectErrors();
        collection.addAll(cu.errors);
      }
    }
  }

    // Declared in ErrorCheck.jrag at line 219

  public void errorCheck(Collection collection, Collection warn) {
    for(Iterator iter = compilationUnitIterator(); iter.hasNext(); ) {
      CompilationUnit cu = (CompilationUnit)iter.next();
      if(cu.fromSource()) {
        cu.collectErrors();
        collection.addAll(cu.errors);
        warn.addAll(cu.warnings);
      }
    }
  }

    // Declared in ErrorCheck.jrag at line 240

  
  public boolean errorCheck() {
    Collection collection = new LinkedList();
    errorCheck(collection);
    if(collection.isEmpty())
      return false;
    System.out.println("Errors:");
    for(Iterator iter = collection.iterator(); iter.hasNext(); ) {
      String s = (String)iter.next();
      System.out.println(s);
    }
    return true;
  }

    // Declared in LookupType.jrag at line 103


  public int classFileReadTime;

    // Declared in Options.jadd at line 23

  private static Map options = new HashMap();

    // Declared in Options.jadd at line 24

  private static Map optionDescriptions = new HashMap();

    // Declared in Options.jadd at line 26


  private HashSet files = new HashSet();

    // Declared in Options.jadd at line 27

  public Collection files() {
    return files;
  }

    // Declared in Options.jadd at line 31


  public static void initOptions() {
    options = new HashMap();
    optionDescriptions = new HashMap();
  }

    // Declared in Options.jadd at line 36


  public void addKeyOption(String name) {
    if(optionDescriptions.containsKey(name))
      throw new Error("Command line definition error: option description for " + name + " is multiply declared");
    optionDescriptions.put(name, new Option(name, false, false));
  }

    // Declared in Options.jadd at line 42

  
  public void addKeyValueOption(String name) {
    if(optionDescriptions.containsKey(name))
      throw new Error("Command line definition error: option description for " + name + " is multiply declared");
    optionDescriptions.put(name, new Option(name, true, false));
  }

    // Declared in Options.jadd at line 48

  
  public void addKeyCollectionOption(String name) {
    if(optionDescriptions.containsKey(name))
      throw new Error("Command line definition error: option description for " + name + " is multiply declared");
    optionDescriptions.put(name, new Option(name, true, true));
  }

    // Declared in Options.jadd at line 54

 
  public void addOptionDescription(String name, boolean value) {
    if(optionDescriptions.containsKey(name))
      throw new Error("Command line definition error: option description for " + name + " is multiply declared");
    optionDescriptions.put(name, new Option(name, value, false));
  }

    // Declared in Options.jadd at line 59

  public void addOptionDescription(String name, boolean value, boolean isCollection) {
    if(optionDescriptions.containsKey(name))
      throw new Error("Command line definition error: option description for " + name + " is multiply declared");
    optionDescriptions.put(name, new Option(name, value, isCollection));
  }

    // Declared in Options.jadd at line 65

  
  public void addOptions(String[] args) {
    for(int i = 0; i < args.length; i++) {
      String arg = args[i];
      if(arg.startsWith("@")) {
        try {
          String fileName = arg.substring(1,arg.length());
          java.io.StreamTokenizer tokenizer = new java.io.StreamTokenizer(new java.io.FileReader(fileName));
          tokenizer.resetSyntax();
          tokenizer.whitespaceChars(' ',' ');
          tokenizer.whitespaceChars('\t','\t');
          tokenizer.whitespaceChars('\f','\f');
          tokenizer.whitespaceChars('\n','\n');
          tokenizer.whitespaceChars('\r','\r');
          tokenizer.wordChars(33,255);
          ArrayList list = new ArrayList();
          int next = tokenizer.nextToken();
          while(next != java.io.StreamTokenizer.TT_EOF) {
            if(next == java.io.StreamTokenizer.TT_WORD) {
              list.add(tokenizer.sval);
            }
            next = tokenizer.nextToken();
          }
          String[] newArgs = new String[list.size()];
          int index = 0;
          for(Iterator iter = list.iterator(); iter.hasNext(); index++) {
            newArgs[index] = (String)iter.next();
          }
          addOptions(newArgs);
        } catch (java.io.IOException e) {
        }
      }
      else if(arg.startsWith("-")) {
        if(!optionDescriptions.containsKey(arg))
          throw new Error("Command line argument error: option " + arg + " is not defined");
        Option o = (Option)optionDescriptions.get(arg);
        
        if(!o.isCollection && options.containsKey(arg))
          throw new Error("Command line argument error: option " + arg + " is multiply defined");
        
        if(o.hasValue && !o.isCollection) {
          String value = null;
          if(i + 1 > args.length - 1)
            throw new Error("Command line argument error: value missing for key " + arg);
          value = args[i+1];
          if(value.startsWith("-"))
            throw new Error("Command line argument error: value missing for key " + arg);
          i++;
          options.put(arg, value);
        }
        else if(o.hasValue && o.isCollection) {
          String value = null;
          if(i + 1 > args.length - 1)
            throw new Error("Command line argument error: value missing for key " + arg);
          value = args[i+1];
          if(value.startsWith("-"))
            throw new Error("Command line argument error: value missing for key " + arg);
          i++;
          Collection c = (Collection)options.get(arg);
          if(c == null)
            c = new ArrayList();
          c.add(value);
          options.put(arg, c);
        }
        else {
          options.put(arg, null);
        }
      }
      else {
        files.add(arg);
      }
    }
  }

    // Declared in Options.jadd at line 137

  public static boolean hasOption(String name) {
    return options.containsKey(name);
  }

    // Declared in Options.jadd at line 140

  public static void setOption(String name) {
    options.put(name, null);
  }

    // Declared in Options.jadd at line 143

  public static boolean hasValueForOption(String name) {
    return options.containsKey(name) && options.get(name) != null;
  }

    // Declared in Options.jadd at line 146

  public static String getValueForOption(String name) {
    if(!hasValueForOption(name))
      throw new Error("Command line argument error: key " + name + " does not have a value");
    return (String)options.get(name);
  }

    // Declared in Options.jadd at line 151

  public static void setValueForOption(String value, String option) {
    options.put(option, value);
  }

    // Declared in Options.jadd at line 154

  public static Collection getValueCollectionForOption(String name) {
    if(!hasValueForOption(name))
      throw new Error("Command line argument error: key " + name + " does not have a value");
    return (Collection)options.get(name);
  }

    // Declared in Options.jadd at line 160


  public static boolean verbose() {
    return hasOption("-verbose");
  }

    // Declared in PrettyPrint.jadd at line 35


  public void toString(StringBuffer s) {