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/*
* Copyright (c) 1999, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.tools.javac.util;
import java.util.HashMap;
import java.util.Map;
import javax.tools.JavaFileObject;
import com.sun.tools.javac.code.Lint.LintCategory;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticFlag;
import com.sun.tools.javac.util.JCDiagnostic.Error;
import com.sun.tools.javac.util.JCDiagnostic.Note;
import com.sun.tools.javac.util.JCDiagnostic.Warning;
import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition;
/**
* A base class for error logs. Reports errors and warnings, and
* keeps track of error numbers and positions.
*
* This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.
*/
public abstract class AbstractLog {
/** Factory for diagnostics
*/
public final JCDiagnostic.Factory diags;
/** The file that's currently being translated.
*/
protected DiagnosticSource source;
/** A cache of lightweight DiagnosticSource objects.
*/
protected Map sourceMap;
AbstractLog(JCDiagnostic.Factory diags) {
this.diags = diags;
sourceMap = new HashMap<>();
}
/** Re-assign source, returning previous setting.
*/
public JavaFileObject useSource(JavaFileObject file) {
JavaFileObject prev = (source == null ? null : source.getFile());
source = getSource(file);
return prev;
}
protected DiagnosticSource getSource(JavaFileObject file) {
if (file == null)
return DiagnosticSource.NO_SOURCE;
DiagnosticSource s = sourceMap.get(file);
if (s == null) {
s = new DiagnosticSource(file, this);
sourceMap.put(file, s);
}
return s;
}
/** Return the underlying diagnostic source
*/
public DiagnosticSource currentSource() {
return source;
}
/** Report an error, unless another error was already reported at same
* source position.
* @param key The key for the localized error message.
* @param args Fields of the error message.
*/
public void error(String key, Object ... args) {
error(diags.errorKey(key, args));
}
/** Report an error, unless another error was already reported at same
* source position.
* @param errorKey The key for the localized error message.
*/
public void error(Error errorKey) {
report(diags.error(null, source, null, errorKey));
}
/** Report an error, unless another error was already reported at same
* source position.
* @param pos The source position at which to report the error.
* @param errorKey The key for the localized error message.
*/
public void error(DiagnosticPosition pos, Error errorKey) {
report(diags.error(null, source, pos, errorKey));
}
/** Report an error, unless another error was already reported at same
* source position.
* @param flag A flag to set on the diagnostic
* @param pos The source position at which to report the error.
* @param errorKey The key for the localized error message.
*/
public void error(DiagnosticFlag flag, DiagnosticPosition pos, Error errorKey) {
report(diags.error(flag, source, pos, errorKey));
}
/** Report an error, unless another error was already reported at same
* source position.
* @param pos The source position at which to report the error.
* @param key The key for the localized error message.
* @param args Fields of the error message.
*/
public void error(int pos, String key, Object ... args) {
error(pos, diags.errorKey(key, args));
}
/** Report an error, unless another error was already reported at same
* source position.
* @param pos The source position at which to report the error.
* @param errorKey The key for the localized error message.
*/
public void error(int pos, Error errorKey) {
report(diags.error(null, source, wrap(pos), errorKey));
}
/** Report an error, unless another error was already reported at same
* source position.
* @param flag A flag to set on the diagnostic
* @param pos The source position at which to report the error.
* @param errorKey The key for the localized error message.
*/
public void error(DiagnosticFlag flag, int pos, Error errorKey) {
report(diags.error(flag, source, wrap(pos), errorKey));
}
/** Report a warning, unless suppressed by the -nowarn option or the
* maximum number of warnings has been reached.
* @param warningKey The key for the localized warning message.
*/
public void warning(Warning warningKey) {
report(diags.warning(null, source, null, warningKey));
}
/** Report a lint warning, unless suppressed by the -nowarn option or the
* maximum number of warnings has been reached.
* @param lc The lint category for the diagnostic
* @param warningKey The key for the localized warning message.
*/
public void warning(LintCategory lc, Warning warningKey) {
report(diags.warning(lc, null, null, warningKey));
}
/** Report a warning, unless suppressed by the -nowarn option or the
* maximum number of warnings has been reached.
* @param pos The source position at which to report the warning.
* @param warningKey The key for the localized warning message.
*/
public void warning(DiagnosticPosition pos, Warning warningKey) {
report(diags.warning(null, source, pos, warningKey));
}
/** Report a lint warning, unless suppressed by the -nowarn option or the
* maximum number of warnings has been reached.
* @param lc The lint category for the diagnostic
* @param pos The source position at which to report the warning.
* @param warningKey The key for the localized warning message.
*/
public void warning(LintCategory lc, DiagnosticPosition pos, Warning warningKey) {
report(diags.warning(lc, source, pos, warningKey));
}
/** Report a warning, unless suppressed by the -nowarn option or the
* maximum number of warnings has been reached.
* @param pos The source position at which to report the warning.
* @param warningKey The key for the localized warning message.
*/
public void warning(int pos, Warning warningKey) {
report(diags.warning(null, source, wrap(pos), warningKey));
}
/** Report a warning.
* @param pos The source position at which to report the warning.
* @param warningKey The key for the localized warning message.
*/
public void mandatoryWarning(DiagnosticPosition pos, Warning warningKey) {
report(diags.mandatoryWarning(null, source, pos, warningKey));
}
/** Report a warning.
* @param lc The lint category for the diagnostic
* @param pos The source position at which to report the warning.
* @param warningKey The key for the localized warning message.
*/
public void mandatoryWarning(LintCategory lc, DiagnosticPosition pos, Warning warningKey) {
report(diags.mandatoryWarning(lc, source, pos, warningKey));
}
/** Provide a non-fatal notification, unless suppressed by the -nowarn option.
* @param noteKey The key for the localized notification message.
*/
public void note(Note noteKey) {
report(diags.note(source, null, noteKey));
}
/** Provide a non-fatal notification, unless suppressed by the -nowarn option.
* @param noteKey The key for the localized notification message.
*/
public void note(DiagnosticPosition pos, Note noteKey) {
report(diags.note(source, pos, noteKey));
}
/** Provide a non-fatal notification, unless suppressed by the -nowarn option.
* @param noteKey The key for the localized notification message.
*/
public void note(int pos, Note noteKey) {
report(diags.note(source, wrap(pos), noteKey));
}
/** Provide a non-fatal notification, unless suppressed by the -nowarn option.
* @param noteKey The key for the localized notification message.
*/
public void note(JavaFileObject file, Note noteKey) {
report(diags.note(getSource(file), null, noteKey));
}
/** Provide a non-fatal notification, unless suppressed by the -nowarn option.
* @param noteKey The key for the localized notification message.
*/
public void mandatoryNote(final JavaFileObject file, Note noteKey) {
report(diags.mandatoryNote(getSource(file), noteKey));
}
protected abstract void report(JCDiagnostic diagnostic);
protected abstract void directError(String key, Object... args);
private DiagnosticPosition wrap(int pos) {
return (pos == Position.NOPOS ? null : new SimpleDiagnosticPosition(pos));
}
}