/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 6.0 */
/* JavaCCOptions:KEEP_LINE_COL=null
*
* Modified by Grégory Mantelet (CDS), on March 2017
* Modification: several small modifications.
* /!\ DO NOT RE-GENERATE THIS FILE /!\
* In case of re-generation, replace it by
* ParseException.java.backup (but maybe after a diff
* in case of significant modifications have been done
* by a new version of JavaCC).
*/
package adql.parser;
import adql.query.TextPosition;
/**
* 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.
*/
public class ParseException extends Exception {
/**
* The version identifier for this Serializable class.
* Increment only if the <i>serialized</i> form of the
* class changes.
*/
private static final long serialVersionUID = 1L;
/**
* 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.
*/
public ParseException(Token currentTokenVal, int[][] expectedTokenSequencesVal, String[] tokenImageVal){
super(initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal));
currentToken = currentTokenVal;
expectedTokenSequences = expectedTokenSequencesVal;
tokenImage = tokenImageVal;
position = new TextPosition(currentToken.next);
}
/**
* 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.
*/
public ParseException(){
super();
}
/** Constructor with message. */
public ParseException(String message){
super(message);
}
public ParseException(String message, TextPosition errorPosition){
this(message);
position = errorPosition;
}
/**
* 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.
*/
public Token currentToken;
/**
* 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.
*/
public int[][] expectedTokenSequences;
/**
* 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.
*/
public String[] tokenImage;
/** Line in the ADQL query where the exception occurs. */
protected TextPosition position = null;
/**
* Gets the position in the ADQL query of the token which generates this exception.
*
* @return Position or <code>null</code> if unknown.
*/
public final TextPosition getPosition(){
return position;
}
/**
* 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) the correct error message
* gets displayed.
*/
private static String initialise(Token currentToken, int[][] expectedTokenSequences, String[] tokenImage){
int maxSize = 0;
// Build the list of expected tokens:
StringBuffer expected = new StringBuffer();
for(int i = 0; i < expectedTokenSequences.length; i++){
if (maxSize < expectedTokenSequences[i].length){
maxSize = expectedTokenSequences[i].length;
}
for(int j = 0; j < expectedTokenSequences[i].length; j++){
expected.append(tokenImage[expectedTokenSequences[i][j]]);
}
expected.append(" ");
}
// Encountered token (s list):
StringBuffer msg = new StringBuffer();
msg.append(" Encountered \"");
Token tok = currentToken.next;
for(int i = 0; i < maxSize; i++){
if (i != 0)
msg.append(' ');
if (tok.kind == 0){
msg.append(tokenImage[0]);
break;
}
msg.append(add_escapes(tok.image));
tok = tok.next;
}
msg.append("\".");
// Append the expected tokens list:
if (expectedTokenSequences.length == 1){
msg.append(" Was expecting: ");
}else{
msg.append(" Was expecting one of: ");
}
msg.append(expected);
return msg.toString();
/*String eol = System.getProperty("line.separator", "\n");
StringBuffer expected = new StringBuffer();
int maxSize = 0;
for(int i = 0; i < expectedTokenSequences.length; i++){
if (maxSize < expectedTokenSequences[i].length){
maxSize = expectedTokenSequences[i].length;
}
for(int j = 0; j < expectedTokenSequences[i].length; j++){
expected.append(tokenImage[expectedTokenSequences[i][j]]).append(' ');
}
if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0){
expected.append("...");
}
expected.append(eol).append(" ");
}
String retval = "Encountered \"";
Token tok = currentToken.next;
for(int i = 0; i < maxSize; i++){
if (i != 0) retval += " ";
if (tok.kind == 0){
retval += tokenImage[0];
break;
}
retval += " " + tokenImage[tok.kind];
retval += " \"";
retval += add_escapes(tok.image);
retval += " \"";
tok = tok.next;
}
retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
retval += "." + eol;
if (expectedTokenSequences.length == 1){
retval += "Was expecting:" + eol + " ";
}else{
retval += "Was expecting one of:" + eol + " ";
}
retval += expected.toString();
return retval;*/
}
/**
* The end of line string for this machine.
*/
protected String eol = System.getProperty("line.separator", "\n");
/**
* Used to convert raw characters to their escaped version
* when these raw version cannot be used as part of an ASCII
* string literal.
*/
static String add_escapes(String str){
StringBuffer retval = new StringBuffer();
char ch;
for(int i = 0; i < str.length(); i++){
switch(str.charAt(i)){
case 0:
continue;
case '\b':
retval.append("\\b");
continue;
case '\t':
retval.append("\\t");
continue;
case '\n':
retval.append("\\n");
continue;
case '\f':
retval.append("\\f");
continue;
case '\r':
retval.append("\\r");
continue;
case '\"':
retval.append("\\\"");
continue;
case '\'':
retval.append("\\\'");
continue;
case '\\':
retval.append("\\\\");
continue;
default:
if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e){
String s = "0000" + Integer.toString(ch, 16);
retval.append("\\u" + s.substring(s.length() - 4, s.length()));
}else{
retval.append(ch);
}
continue;
}
}
return retval.toString();
}
}
/* JavaCC - OriginalChecksum=ffea128e805df869244c5e22c2a37cbc (do not edit this line) */