[DrJava] [ drjava-Bugs-1561534 ] Debug Stepping Over not working with keyboard input

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Bugs item #1561534, was opened at 2006-09-19 07:58
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Category: Debugger
Group: 2: Annoying
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: Debug Stepping Over not working with keyboard input

Initial Comment:
Neither the May nor August DrJavas will Step Over a
statement that reads input from the keyboard - they go
away for a while, then print "Stepping...\n>" in the
interactions pane. The "input box" never shows up. If I
type a line of something into the interactions pane,
it's not echoed until I've hit return once. After that
it's echoed, but nothing happens.

This happened on a fairly clean 10.4.7 PowerBook and on
a Mac running OS X for both local and AFP-mounted
source files. It does NOT occur when I use the January
stable release of DrJava on my PowerBook.

I've attached a screen snapshot of DrJava after this
has occurred. Top does not indicate a significant
amount of CPU going to process at this point, much less
DrJava or a java vm. If I type into the interactions
pane, nothing
is echoed until I hit return, at which point typing is
echoed, but code is not interpreted.

A program to demonstrate the above behaviour with the
debugger and stepping over input

    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;

    public class Tiny {

        public static void main( String[] args ) throws
IOException {
            Tiny program = new Tiny();
            program.run();
        }

        void run() throws IOException {

            BufferedReader inp;
            String         nextLine;

            inp = new BufferedReader( new
InputStreamReader(System.in) );
            while( true ) {

                nextLine = inp.readLine();
                if( nextLine.equals("quit") )
                     break;
                System.out.println(nextLine);
            }
            inp.close();

            System.out.println( "Goodbye..." );
        }
    }

***************************************
Carrie Howells
Instructional Support Coordinator CS134
University of Waterloo
cah...@cs...
***************************************






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