Hi Doug:

Jon and i don't understand why this does not compile.

Please can you take a look.

-- Karl


/proj/adaptive2/course/com1205/f00/project/kelley

Running the compiler...

Found 1 semantic error compiling "gen/Program.java":

    37.     where.traverse(this,xV);
            <--------------------->
*** Error: No match was found for method "traverse(Program, XMLVisitor)".

Found 20 semantic errors compiling "gen/Visitor.java":

    20.   public static Visitor parse(java.io.Reader in) throws ParseException { return new Parser(in)._Visitor();   }
                                                                                        <----------------------->
*** Error: No method named "_Visitor" was found in type "Parser". However, there is an accessible method "_VisitorDirective" whose name closely matches the name "_Visitor".


    21.   public static Visitor parse(java.io.InputStream in) throws ParseException { return new Parser(in)._Visitor();   }
                                                                                             <----------------------->
*** Error: No method named "_Visitor" was found in type "Parser". However, there is an accessible method "_VisitorDirective" whose name closely matches the name "_Visitor".


    29.     ((UniversalVisitor) _v_).before(this);
            <----------------------------------->
*** Error: No match was found for method "before(Visitor)".


    33.     ((UniversalVisitor) _v_).after(this);
            <---------------------------------->
*** Error: No match was found for method "after(Visitor)".


    38.     ((UniversalVisitor) _v_).before_classname(this, classname);
            <-------------------------------------------------------->
*** Error: No match was found for method "before_classname(Visitor, ClassName)".


    40.     ((UniversalVisitor) _v_).after_classname(this, classname);
            <------------------------------------------------------->
*** Error: No match was found for method "after_classname(Visitor, ClassName)".


    42.       ((UniversalVisitor) _v_).before_visitorname(this, visitorname);
              <------------------------------------------------------------>
*** Error: No match was found for method "before_visitorname(Visitor, VisitorName)".


    44.       ((UniversalVisitor) _v_).after_visitorname(this, visitorname);
              <----------------------------------------------------------->
*** Error: No match was found for method "after_visitorname(Visitor, VisitorName)".


    50.     ((DisplayVisitor) __v0).before(this);
            <---------------------------------->
*** Error: No match was found for method "before(Visitor)".


    54.     ((DisplayVisitor) __v0).after(this);
            <--------------------------------->
*** Error: No match was found for method "after(Visitor)".


    59.     ((DisplayVisitor) __v0).before_classname(this, classname);
            <------------------------------------------------------->
*** Error: No match was found for method "before_classname(Visitor, ClassName)".


    61.     ((UniversalVisitor) __v0).after_classname(this, classname);
            <-------------------------------------------------------->
*** Error: No match was found for method "after_classname(Visitor, ClassName)".


    63.       ((DisplayVisitor) __v0).before_visitorname(this, visitorname);
              <----------------------------------------------------------->
*** Error: No match was found for method "before_visitorname(Visitor, VisitorName)".


    65.       ((UniversalVisitor) __v0).after_visitorname(this, visitorname);
              <------------------------------------------------------------>
*** Error: No match was found for method "after_visitorname(Visitor, VisitorName)".


    71.     ((UniversalVisitor) __v0).before(this);
            <------------------------------------>
*** Error: No match was found for method "before(Visitor)".


    75.     ((UniversalVisitor) __v0).after(this);
            <----------------------------------->
*** Error: No match was found for method "after(Visitor)".


    80.     ((UniversalVisitor) __v0).before_classname(this, classname);
            <--------------------------------------------------------->
*** Error: No match was found for method "before_classname(Visitor, ClassName)".


    82.     ((UniversalVisitor) __v0).after_classname(this, classname);
            <-------------------------------------------------------->
*** Error: No match was found for method "after_classname(Visitor, ClassName)".


    84.       ((UniversalVisitor) __v0).before_visitorname(this, visitorname);
              <------------------------------------------------------------->
*** Error: No match was found for method "before_visitorname(Visitor, VisitorName)".


    86.       ((UniversalVisitor) __v0).after_visitorname(this, visitorname);
              <------------------------------------------------------------>
*** Error: No match was found for method "after_visitorname(Visitor, VisitorName)".

Found 3 semantic errors compiling "gen/XMLVisitor.java":

    10.   public static XMLVisitor parse(java.io.Reader in) throws ParseException { return new Parser(in)._XMLVisitor();   }
                                   <---------------------->
*** Error: The return type of method "XMLVisitor parse(java.io.Reader in);" does not match the return type of method "Visitor parse(java.io.Reader in);" inherited from type "Visitor".


    11.   public static XMLVisitor parse(java.io.InputStream in) throws ParseException { return new Parser(in)._XMLVisitor();   }
                                   <--------------------------->
*** Error: The return type of method "XMLVisitor parse(java.io.InputStream in);" does not match the return type of method "Visitor parse(java.io.InputStream in);" inherited from type "Visitor".


    12.   public static XMLVisitor parse(String s) {
                                   <------------->
*** Error: The return type of method "XMLVisitor parse(java.lang.String s);" does not match the return type of method "Visitor parse(java.lang.String s);" inherited from type "Visitor".
Aborting, compiler exited with error value 1.