1.1 --- a/src/share/classes/com/sun/tools/javac/tree/Pretty.java Sat Sep 29 09:00:58 2012 -0700
1.2 +++ b/src/share/classes/com/sun/tools/javac/tree/Pretty.java Thu Oct 04 13:04:53 2012 +0100
1.3 @@ -81,6 +81,12 @@
1.4 */
1.5 DocCommentTable docComments = null;
1.6
1.7 + /**
1.8 + * A string sequence to be used when Pretty output should be constrained
1.9 + * to fit into a given size
1.10 + */
1.11 + private final static String trimSequence = "[...]";
1.12 +
1.13 /** Align code to be indented to left margin.
1.14 */
1.15 void align() throws IOException {
1.16 @@ -129,6 +135,27 @@
1.17 out.write(lineSep);
1.18 }
1.19
1.20 + public static String toSimpleString(JCTree tree, int maxLength) {
1.21 + StringWriter s = new StringWriter();
1.22 + try {
1.23 + new Pretty(s, false).printExpr(tree);
1.24 + }
1.25 + catch (IOException e) {
1.26 + // should never happen, because StringWriter is defined
1.27 + // never to throw any IOExceptions
1.28 + throw new AssertionError(e);
1.29 + }
1.30 + //we need to (i) replace all line terminators with a space and (ii) remove
1.31 + //occurrences of 'missing' in the Pretty output (generated when types are missing)
1.32 + String res = s.toString().replaceAll("\\s+", " ").replaceAll("/\\*missing\\*/", "");
1.33 + if (res.length() < maxLength) {
1.34 + return res;
1.35 + } else {
1.36 + int split = (maxLength - trimSequence.length()) * 2 / 3;
1.37 + return res.substring(0, split) + trimSequence + res.substring(split);
1.38 + }
1.39 + }
1.40 +
1.41 String lineSep = System.getProperty("line.separator");
1.42
1.43 /**************************************************************************
