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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.sql.compile 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.lang.Throwable
      java.lang.Exception
         org.apache.derby.impl.sql.compile.ParseException

ParseException
public class ParseException extends Exception (Code)
This exception is thrown when parse errors are encountered. You can explicitly create objects of this exception type by calling the method generateParseException in the generated parser. You can modify this class to customize your error reporting mechanisms so long as you retain the public fields.


Field Summary
public  TokencurrentToken
     This is the last token that has been consumed successfully.
protected  Stringeol
     The end of line string for this machine.
public  int[][]expectedTokenSequences
     Each entry in this array is an array of integers.
protected  booleanspecialConstructor
     This variable determines which constructor was used to create this object and thereby affects the semantics of the "getMessage" method (see below).
public  String[]tokenImage
     This is a reference to the "tokenImage" array of the generated parser within which the parse error occurred.

Constructor Summary
public  ParseException(Token currentTokenVal, int[][] expectedTokenSequencesVal, String[] tokenImageVal)
     This constructor is used by the method "generateParseException" in the generated parser.
public  ParseException()
     The following constructors are for use by you for whatever purpose you can think of.
public  ParseException(String message)
    

Method Summary
protected  Stringadd_escapes(String str)
     Used to convert raw characters to their escaped version when these raw version cannot be used as part of an ASCII string literal.
public  StringgetMessage()
     This method has the standard behavior when this object has been created using the standard constructors.

Field Detail
currentToken
public Token currentToken(Code)
This is the last token that has been consumed successfully. If this object has been created due to a parse error, the token followng this token will (therefore) be the first error token.



eol
protected String eol(Code)
The end of line string for this machine.



expectedTokenSequences
public int[][] expectedTokenSequences(Code)
Each entry in this array is an array of integers. Each array of integers represents a sequence of tokens (by their ordinal values) that is expected at this point of the parse.



specialConstructor
protected boolean specialConstructor(Code)
This variable determines which constructor was used to create this object and thereby affects the semantics of the "getMessage" method (see below).



tokenImage
public String[] tokenImage(Code)
This is a reference to the "tokenImage" array of the generated parser within which the parse error occurred. This array is defined in the generated ...Constants interface.




Constructor Detail
ParseException
public ParseException(Token currentTokenVal, int[][] expectedTokenSequencesVal, String[] tokenImageVal)(Code)
This constructor is used by the method "generateParseException" in the generated parser. Calling this constructor generates a new object of this type with the fields "currentToken", "expectedTokenSequences", and "tokenImage" set. The boolean flag "specialConstructor" is also set to true to indicate that this constructor was used to create this object. This constructor calls its super class with the empty string to force the "toString" method of parent class "Throwable" to print the error message in the form: ParseException:



ParseException
public ParseException()(Code)
The following constructors are for use by you for whatever purpose you can think of. Constructing the exception in this manner makes the exception behave in the normal way - i.e., as documented in the class "Throwable". The fields "errorToken", "expectedTokenSequences", and "tokenImage" do not contain relevant information. The JavaCC generated code does not use these constructors.



ParseException
public ParseException(String message)(Code)




Method Detail
add_escapes
protected String add_escapes(String str)(Code)
Used to convert raw characters to their escaped version when these raw version cannot be used as part of an ASCII string literal.



getMessage
public String getMessage()(Code)
This method has the standard behavior when this object has been created using the standard constructors. Otherwise, it uses "currentToken" and "expectedTokenSequences" to generate a parse error message and returns it. If this object has been created due to a parse error, and you do not catch it (it gets thrown from the parser), then this method is called during the printing of the final stack trace, and hence the correct error message gets displayed.




Methods inherited from java.lang.Throwable
native public synchronized Throwable fillInStackTrace()(Code)(Java Doc)
public Throwable getCause()(Code)(Java Doc)
public String getLocalizedMessage()(Code)(Java Doc)
public String getMessage()(Code)(Java Doc)
public StackTraceElement[] getStackTrace()(Code)(Java Doc)
public synchronized Throwable initCause(Throwable cause)(Code)(Java Doc)
public void printStackTrace()(Code)(Java Doc)
public void printStackTrace(PrintStream s)(Code)(Java Doc)
public void printStackTrace(PrintWriter s)(Code)(Java Doc)
public void setStackTrace(StackTraceElement[] stackTrace)(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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