com.sun.tools.javac.util.Position Java Examples

/**
 * Utility for subclasses which read HTML documentation files.
 */
String readHTMLDocumentation(InputStream input, FileObject filename) throws IOException {
    byte[] filecontents = new byte[input.available()];
    try {
        DataInputStream dataIn = new DataInputStream(input);
        dataIn.readFully(filecontents);
    } finally {
        input.close();
    }
    String encoding = env.getEncoding();
    String rawDoc = (encoding!=null)
        ? new String(filecontents, encoding)
        : new String(filecontents);
    Pattern bodyPat = Pattern.compile("(?is).*<body\\b[^>]*>(.*)</body\\b.*");
    Matcher m = bodyPat.matcher(rawDoc);
    if (m.matches()) {
        return m.group(1);
    } else {
        String key = rawDoc.matches("(?is).*<body\\b.*")
                ? "javadoc.End_body_missing_from_html_file"
                : "javadoc.Body_missing_from_html_file";
        env.error(SourcePositionImpl.make(filename, Position.NOPOS, null), key);
        return "";
    }
}
 

public DCDocComment parse() {
    String c = comment.getText();
    buf = new char[c.length() + 1];
    c.getChars(0, c.length(), buf, 0);
    buf[buf.length - 1] = EOI;
    buflen = buf.length - 1;
    bp = -1;
    nextChar();

    List<DCTree> body = blockContent();
    List<DCTree> tags = blockTags();
    int pos = !body.isEmpty()
            ? body.head.pos
            : !tags.isEmpty() ? tags.head.pos : Position.NOPOS;

    DCDocComment dc = m.at(pos).newDocCommentTree(comment, body, tags);
    return dc;
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

/**
 *  Construct a new javadoc tool.
 */
public static JavadocTool make0(Context context) {
    Messager messager = null;
    try {
        // force the use of Javadoc's class reader
        JavadocClassReader.preRegister(context);

        // force the use of Javadoc's own enter phase
        JavadocEnter.preRegister(context);

        // force the use of Javadoc's own member enter phase
        JavadocMemberEnter.preRegister(context);

        // force the use of Javadoc's own todo phase
        JavadocTodo.preRegister(context);

        // force the use of Messager as a Log
        messager = Messager.instance0(context);

        return new JavadocTool(context);
    } catch (CompletionFailure ex) {
        messager.error(Position.NOPOS, ex.getMessage());
        return null;
    }
}
 

/**
 * Utility for subclasses which read HTML documentation files.
 */
String readHTMLDocumentation(InputStream input, FileObject filename) throws IOException {
    byte[] filecontents = new byte[input.available()];
    try {
        DataInputStream dataIn = new DataInputStream(input);
        dataIn.readFully(filecontents);
    } finally {
        input.close();
    }
    String encoding = env.getEncoding();
    String rawDoc = (encoding!=null)
        ? new String(filecontents, encoding)
        : new String(filecontents);
    Pattern bodyPat = Pattern.compile("(?is).*<body\\b[^>]*>(.*)</body\\b.*");
    Matcher m = bodyPat.matcher(rawDoc);
    if (m.matches()) {
        return m.group(1);
    } else {
        String key = rawDoc.matches("(?is).*<body\\b.*")
                ? "javadoc.End_body_missing_from_html_file"
                : "javadoc.Body_missing_from_html_file";
        env.error(SourcePositionImpl.make(filename, Position.NOPOS, null), key);
        return "";
    }
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

/**
 * Utility for subclasses which read HTML documentation files.
 */
String readHTMLDocumentation(InputStream input, FileObject filename) throws IOException {
    byte[] filecontents = new byte[input.available()];
    try {
        DataInputStream dataIn = new DataInputStream(input);
        dataIn.readFully(filecontents);
    } finally {
        input.close();
    }
    String encoding = env.getEncoding();
    String rawDoc = (encoding!=null)
        ? new String(filecontents, encoding)
        : new String(filecontents);
    Pattern bodyPat = Pattern.compile("(?is).*<body\\b[^>]*>(.*)</body\\b.*");
    Matcher m = bodyPat.matcher(rawDoc);
    if (m.matches()) {
        return m.group(1);
    } else {
        String key = rawDoc.matches("(?is).*<body\\b.*")
                ? "javadoc.End_body_missing_from_html_file"
                : "javadoc.Body_missing_from_html_file";
        env.error(SourcePositionImpl.make(filename, Position.NOPOS, null), key);
        return "";
    }
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1) {
            int i = paren+1;
            if (fn.charAt(i) == '/')
                i++;
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(i, fn.length() - 1);
        }
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

/**
 *  Construct a new javadoc tool.
 */
public static JavadocTool make0(Context context) {
    Messager messager = null;
    try {
        // force the use of Javadoc's class reader
        JavadocClassReader.preRegister(context);

        // force the use of Javadoc's own enter phase
        JavadocEnter.preRegister(context);

        // force the use of Javadoc's own member enter phase
        JavadocMemberEnter.preRegister(context);

        // force the use of Javadoc's own todo phase
        JavadocTodo.preRegister(context);

        // force the use of Messager as a Log
        messager = Messager.instance0(context);

        return new JavadocTool(context);
    } catch (CompletionFailure ex) {
        messager.error(Position.NOPOS, ex.getMessage());
        return null;
    }
}
 

/**
 *  Construct a new javadoc tool.
 */
public static JavadocTool make0(Context context) {
    Messager messager = null;
    try {
        // force the use of Javadoc's class reader
        JavadocClassReader.preRegister(context);

        // force the use of Javadoc's own enter phase
        JavadocEnter.preRegister(context);

        // force the use of Javadoc's own member enter phase
        JavadocMemberEnter.preRegister(context);

        // force the use of Javadoc's own todo phase
        JavadocTodo.preRegister(context);

        // force the use of Messager as a Log
        messager = Messager.instance0(context);

        return new JavadocTool(context);
    } catch (CompletionFailure ex) {
        messager.error(Position.NOPOS, ex.getMessage());
        return null;
    }
}
 

public DCDocComment parse() {
    String c = comment.getText();
    buf = new char[c.length() + 1];
    c.getChars(0, c.length(), buf, 0);
    buf[buf.length - 1] = EOI;
    buflen = buf.length - 1;
    bp = -1;
    nextChar();

    List<DCTree> body = blockContent();
    List<DCTree> tags = blockTags();
    int pos = !body.isEmpty()
            ? body.head.pos
            : !tags.isEmpty() ? tags.head.pos : Position.NOPOS;

    DCDocComment dc = m.at(pos).newDocCommentTree(comment, body, tags);
    return dc;
}
 

/**
 * Utility for subclasses which read HTML documentation files.
 */
String readHTMLDocumentation(InputStream input, FileObject filename) throws IOException {
    byte[] filecontents = new byte[input.available()];
    try {
        DataInputStream dataIn = new DataInputStream(input);
        dataIn.readFully(filecontents);
    } finally {
        input.close();
    }
    String encoding = env.getEncoding();
    String rawDoc = (encoding!=null)
        ? new String(filecontents, encoding)
        : new String(filecontents);
    Pattern bodyPat = Pattern.compile("(?is).*<body\\b[^>]*>(.*)</body\\b.*");
    Matcher m = bodyPat.matcher(rawDoc);
    if (m.matches()) {
        return m.group(1);
    } else {
        String key = rawDoc.matches("(?is).*<body\\b.*")
                ? "javadoc.End_body_missing_from_html_file"
                : "javadoc.Body_missing_from_html_file";
        env.error(SourcePositionImpl.make(filename, Position.NOPOS, null), key);
        return "";
    }
}
 

/**
 *  Construct a new javadoc tool.
 */
public static JavadocTool make0(Context context) {
    Messager messager = null;
    try {
        // force the use of Javadoc's class reader
        JavadocClassReader.preRegister(context);

        // force the use of Javadoc's own enter phase
        JavadocEnter.preRegister(context);

        // force the use of Javadoc's own member enter phase
        JavadocMemberEnter.preRegister(context);

        // force the use of Javadoc's own todo phase
        JavadocTodo.preRegister(context);

        // force the use of Messager as a Log
        messager = Messager.instance0(context);

        return new JavadocTool(context);
    } catch (CompletionFailure ex) {
        messager.error(Position.NOPOS, ex.getMessage());
        return null;
    }
}
 

/**
 * Utility for subclasses which read HTML documentation files.
 */
String readHTMLDocumentation(InputStream input, FileObject filename) throws IOException {
    byte[] filecontents = new byte[input.available()];
    try {
        DataInputStream dataIn = new DataInputStream(input);
        dataIn.readFully(filecontents);
    } finally {
        input.close();
    }
    String encoding = env.getEncoding();
    String rawDoc = (encoding!=null)
        ? new String(filecontents, encoding)
        : new String(filecontents);
    Pattern bodyPat = Pattern.compile("(?is).*<body\\b[^>]*>(.*)</body\\b.*");
    Matcher m = bodyPat.matcher(rawDoc);
    if (m.matches()) {
        return m.group(1);
    } else {
        String key = rawDoc.matches("(?is).*<body\\b.*")
                ? "javadoc.End_body_missing_from_html_file"
                : "javadoc.Body_missing_from_html_file";
        env.error(SourcePositionImpl.make(filename, Position.NOPOS, null), key);
        return "";
    }
}
 

/**
 * Utility for subclasses which read HTML documentation files.
 */
String readHTMLDocumentation(InputStream input, FileObject filename) throws IOException {
    byte[] filecontents = new byte[input.available()];
    try {
        DataInputStream dataIn = new DataInputStream(input);
        dataIn.readFully(filecontents);
    } finally {
        input.close();
    }
    String encoding = env.getEncoding();
    String rawDoc = (encoding!=null)
        ? new String(filecontents, encoding)
        : new String(filecontents);
    Pattern bodyPat = Pattern.compile("(?is).*<body\\b[^>]*>(.*)</body\\b.*");
    Matcher m = bodyPat.matcher(rawDoc);
    if (m.matches()) {
        return m.group(1);
    } else {
        String key = rawDoc.matches("(?is).*<body\\b.*")
                ? "javadoc.End_body_missing_from_html_file"
                : "javadoc.Body_missing_from_html_file";
        env.error(SourcePositionImpl.make(filename, Position.NOPOS, null), key);
        return "";
    }
}
 

/**
 *  Construct a new javadoc tool.
 */
public static JavadocTool make0(Context context) {
    Messager messager = null;
    try {
        // force the use of Javadoc's class reader
        JavadocClassReader.preRegister(context);

        // force the use of Javadoc's own enter phase
        JavadocEnter.preRegister(context);

        // force the use of Javadoc's own member enter phase
        JavadocMemberEnter.preRegister(context);

        // force the use of Javadoc's own todo phase
        JavadocTodo.preRegister(context);

        // force the use of Messager as a Log
        messager = Messager.instance0(context);

        return new JavadocTool(context);
    } catch (CompletionFailure ex) {
        messager.error(Position.NOPOS, ex.getMessage());
        return null;
    }
}
 

private JCExpression classForNameCall( Type type, JCTree tree )
{
  TreeMaker make = _tp.getTreeMaker();
  JavacElements javacElems = _tp.getElementUtil();

  JCTree.JCMethodInvocation typeCall = make.Apply( List.nil(),
    memberAccess( make, javacElems, ReflectUtil.class.getName() + ".type" ),
    List.of( make.Literal( makeLiteralName( type ) ) ) );
  typeCall.setPos( Position.NOPOS );
  typeCall.type = _tp.getSymtab().classType;
  JCTree.JCFieldAccess newMethodSelect = (JCTree.JCFieldAccess)typeCall.getMethodSelect();

  Symbol.ClassSymbol reflectMethodClassSym =
    IDynamicJdk.instance().getTypeElement( _tp.getContext(), _tp.getCompilationUnit(), ReflectUtil.class.getName() );
  Symbol.MethodSymbol typeMethodSymbol = resolveMethod( tree.pos(),
    Names.instance( _tp.getContext() ).fromString( "type" ),
    reflectMethodClassSym.type, List.of( _tp.getSymtab().stringType ) );
  newMethodSelect.sym = typeMethodSymbol;
  newMethodSelect.type = typeMethodSymbol.type;
  newMethodSelect.pos = tree.pos;
  assignTypes( newMethodSelect.selected, reflectMethodClassSym );

  return typeCall;
}
 

@Override
public Pair<ASTRecord, Integer> visitMethod(MethodTree node, Insertion ins) {
  dbug.debug("TypePositionFinder.visitMethod%n");
  super.visitMethod(node, ins);

  JCMethodDecl jcnode = (JCMethodDecl) node;
  JCVariableDecl jcvar = (JCVariableDecl) node.getReceiverParameter();
  if (jcvar != null) { return pathAndPos(jcvar); }

  int pos = Position.NOPOS;
  ASTRecord astPath = astRecord(jcnode)
      .extend(Tree.Kind.METHOD, ASTPath.PARAMETER, -1);

  if (node.getParameters().isEmpty()) {
    // no parameters; find first (uncommented) '(' after method name
    pos = findMethodName(jcnode);
    if (pos >= 0) { pos = getFirstInstanceAfter('(', pos); }
    if (++pos <= 0) {
      throw new RuntimeException("Couldn't find param opening paren for: "
          + jcnode);
    }
  } else {
    pos = ((JCTree) node.getParameters().get(0)).getStartPosition();
  }
  return Pair.of(astPath, pos);
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

/**
 *  Construct a new javadoc tool.
 */
public static JavadocTool make0(Context context) {
    Messager messager = null;
    try {
        // force the use of Javadoc's class finder
        JavadocClassFinder.preRegister(context);

        // force the use of Javadoc's own enter phase
        JavadocEnter.preRegister(context);

        // force the use of Javadoc's own member enter phase
        JavadocMemberEnter.preRegister(context);

        // force the use of Javadoc's own todo phase
        JavadocTodo.preRegister(context);

        // force the use of Messager as a Log
        messager = Messager.instance0(context);

        return new JavadocTool(context);
    } catch (CompletionFailure ex) {
        messager.error(Position.NOPOS, ex.getMessage());
        return null;
    }
}
 

JavacSourcePosition(JavaFileObject sourcefile,
                    int pos,
                    Position.LineMap lineMap) {
    this.sourcefile = sourcefile;
    this.pos = pos;
    this.lineMap = (pos != Position.NOPOS) ? lineMap : null;
}
 

/** Create a tree maker with NOPOS as initial position.
 */
protected DocTreeMaker(Context context) {
    context.put(treeMakerKey, this);
    diags = JCDiagnostic.Factory.instance(context);
    this.pos = Position.NOPOS;
    trees = JavacTrees.instance(context);
    referenceParser = new ReferenceParser(ParserFactory.instance(context));
    sentenceBreakTags = EnumSet.of(H1, H2, H3, H4, H5, H6, PRE, P);
}
 

void checkEndPos(CompilationUnitTree unit, Tree tree) {
    long sp = srcPosns.getStartPosition(unit, tree);
    long ep = srcPosns.getEndPosition(unit, tree);
    if (sp >= 0 && ep == Position.NOPOS) {
        error("endpos not set for " + tree.getKind()
                + " " + Pretty.toSimpleString(((JCTree) tree))
                +", start:" + sp);
    }
}
 

/** Compare the starting and the ending positions
 *  of the source range and combines them assigning
 *  the widest range to this.
 */
SourceRange mergeWith(SourceRange sr) {
    if (sr == null) return this;
    if (startPos == Position.NOPOS)
        startPos = sr.startPos;
    else if (sr.startPos != Position.NOPOS)
        startPos = (startPos < sr.startPos ? startPos : sr.startPos);
    if (endPos == Position.NOPOS)
        endPos = sr.endPos;
    else if (sr.endPos != Position.NOPOS)
        endPos = (endPos > sr.endPos ? endPos : sr.endPos);
    return this;
}
 

public Boolean  visitLiteral(LiteralTree tree, Trees trees) {
            TreePath path = getCurrentPath();
            CompilationUnitTree unit = path.getCompilationUnit();
            Position.LineMap lineMap = ((JCCompilationUnit)unit).lineMap;
//          long line = lineMap.getLineNumber(((JCTree)tree).pos/*trees.getSourcePositions().getStartPosition(tree)*/);
//          System.err.println(line + ": " + abbrev(tree));
            Scope s = trees.getScope(path);
            if (tree.getKind() == Tree.Kind.STRING_LITERAL)
                check(s, tree.getValue().toString().trim());
            return null;
        }
 

public Boolean  visitLiteral(LiteralTree tree, Trees trees) {
            TreePath path = getCurrentPath();
            CompilationUnitTree unit = path.getCompilationUnit();
            Position.LineMap lineMap = ((JCCompilationUnit)unit).lineMap;
//          long line = lineMap.getLineNumber(((JCTree)tree).pos/*trees.getSourcePositions().getStartPosition(tree)*/);
//          System.err.println(line + ": " + abbrev(tree));
            Scope s = trees.getScope(path);
            if (tree.getKind() == Tree.Kind.STRING_LITERAL)
                check(s, tree.getValue().toString().trim());
            return null;
        }
 

void checkEndPos(CompilationUnitTree unit, Tree tree) {
    long sp = srcPosns.getStartPosition(unit, tree);
    long ep = srcPosns.getEndPosition(unit, tree);
    if (sp >= 0 && ep == Position.NOPOS) {
        error("endpos not set for " + tree.getKind()
                + " " + Pretty.toSimpleString(((JCTree) tree))
                +", start:" + sp);
    }
}
 

JavacSourcePosition(JavaFileObject sourcefile,
                    int pos,
                    Position.LineMap lineMap) {
    this.sourcefile = sourcefile;
    this.pos = pos;
    this.lineMap = (pos != Position.NOPOS) ? lineMap : null;
}