/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.compiler.problem;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.internal.compiler.util.Util;
public class DefaultProblem implements ProblemSeverities, IProblem {
private static final String LINE_DELIMITER = System.getProperty("line.separator"); //$NON-NLS-1$
private char[] fileName;
private int id;
private int startPosition, endPosition, line;
private int severity;
private String[] arguments;
private String message;
public DefaultProblem(
char[] originatingFileName,
String message,
int id,
String[] stringArguments,
int severity,
int startPosition,
int endPosition,
int line) {
this.fileName = originatingFileName;
this.message = message;
this.id = id;
this.arguments = stringArguments;
this.severity = severity;
this.startPosition = startPosition;
this.endPosition = endPosition;
this.line = line;
}
public String errorReportSource(char[] unitSource) {
//extra from the source the innacurate token
//and "highlight" it using some underneath ^^^^^
//put some context around too.
//this code assumes that the font used in the console is fixed size
//sanity .....
if ((this.startPosition > this.endPosition)
|| ((this.startPosition < 0) && (this.endPosition < 0)))
return Util.bind("problem.noSourceInformation"); //$NON-NLS-1$
StringBuffer errorBuffer = new StringBuffer(" "); //$NON-NLS-1$
errorBuffer.append(Util.bind("problem.atLine", String.valueOf(this.line))); //$NON-NLS-1$
errorBuffer.append(LINE_DELIMITER).append("\t"); //$NON-NLS-1$
char c;
final char SPACE = '\u0020';
final char MARK = '^';
final char TAB = '\t';
//the next code tries to underline the token.....
//it assumes (for a good display) that token source does not
//contain any \r \n. This is false on statements !
//(the code still works but the display is not optimal !)
// expand to line limits
int length = unitSource.length, begin, end;
for (begin = this.startPosition >= length ? length - 1 : this.startPosition; begin > 0; begin--) {
if ((c = unitSource[begin - 1]) == '\n' || c == '\r') break;
}
for (end = this.endPosition >= length ? length - 1 : this.endPosition ; end+1 < length; end++) {
if ((c = unitSource[end + 1]) == '\r' || c == '\n') break;
}
// trim left and right spaces/tabs
while ((c = unitSource[begin]) == ' ' || c == '\t') begin++;
//while ((c = unitSource[end]) == ' ' || c == '\t') end--; TODO (philippe) should also trim right, but all tests are to be updated
// copy source
errorBuffer.append(unitSource, begin, end-begin+1);
errorBuffer.append(LINE_DELIMITER).append("\t"); //$NON-NLS-1$
// compute underline
for (int i = begin; i <this.startPosition; i++) {
errorBuffer.append((unitSource[i] == TAB) ? TAB : SPACE);
}
for (int i = this.startPosition; i <= (this.endPosition >= length ? length - 1 : this.endPosition); i++) {
errorBuffer.append(MARK);
}
return errorBuffer.toString();
}
/**
* Answer back the original arguments recorded into the problem.
* @return java.lang.String[]
*/
public String[] getArguments() {
return this.arguments;
}
/**
* Answer the type of problem.
* @see org.eclipse.jdt.core.compiler.IProblem#getID()
* @return int
*/
public int getID() {
return this.id;
}
/**
* Answer a localized, human-readable message string which describes the problem.
* @return java.lang.String
*/
public String getMessage() {
return this.message;
}
/**
* Answer the file name in which the problem was found.
* @return char[]
*/
public char[] getOriginatingFileName() {
return this.fileName;
}
/**
* Answer the end position of the problem (inclusive), or -1 if unknown.
* @return int
*/
public int getSourceEnd() {
return this.endPosition;
}
/**
* Answer the line number in source where the problem begins.
* @return int
*/
public int getSourceLineNumber() {
return this.line;
}
/**
* Answer the start position of the problem (inclusive), or -1 if unknown.
* @return int
*/
public int getSourceStart() {
return this.startPosition;
}
/*
* Helper method: checks the severity to see if the Error bit is set.
* @return boolean
*/
public boolean isError() {
return (this.severity & ProblemSeverities.Error) != 0;
}
/*
* Helper method: checks the severity to see if the Error bit is not set.
* @return boolean
*/
public boolean isWarning() {
return (this.severity & ProblemSeverities.Error) == 0;
}
public void setOriginatingFileName(char[] fileName) {
this.fileName = fileName;
}
/**
* Set the end position of the problem (inclusive), or -1 if unknown.
*
* Used for shifting problem positions.
* @param sourceEnd the new value of the sourceEnd of the receiver
*/
public void setSourceEnd(int sourceEnd) {
this.endPosition = sourceEnd;
}
/**
* Set the line number in source where the problem begins.
* @param lineNumber the new value of the line number of the receiver
*/
public void setSourceLineNumber(int lineNumber) {
this.line = lineNumber;
}
/**
* Set the start position of the problem (inclusive), or -1 if unknown.
*
* Used for shifting problem positions.
* @param sourceStart the new value of the source start position of the receiver
*/
public void setSourceStart(int sourceStart) {
this.startPosition = sourceStart;
}
public String toString() {
String s = "Pb(" + (this.id & IgnoreCategoriesMask) + ") "; //$NON-NLS-1$ //$NON-NLS-2$
if (this.message != null) {
s += this.message;
} else {
if (this.arguments != null)
for (int i = 0; i < this.arguments.length; i++)
s += " " + this.arguments[i]; //$NON-NLS-1$
}
return s;
}
}