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/*
* Copyright 2016 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.turbine.diag;
import com.google.common.collect.ImmutableList;
import com.google.turbine.diag.TurbineError.ErrorKind;
import java.util.LinkedHashSet;
import java.util.Set;
import javax.tools.Diagnostic;
/** A log that collects diagnostics. */
public class TurbineLog {
private final Set<TurbineDiagnostic> diagnostics = new LinkedHashSet<>();
public TurbineLogWithSource withSource(SourceFile source) {
return new TurbineLogWithSource(source);
}
public ImmutableList<TurbineDiagnostic> diagnostics() {
return ImmutableList.copyOf(diagnostics);
}
public void maybeThrow() {
if (anyErrors()) {
throw new TurbineError(diagnostics());
}
}
public boolean anyErrors() {
for (TurbineDiagnostic error : diagnostics) {
if (error.severity().equals(Diagnostic.Kind.ERROR)) {
return true;
}
}
return false;
}
/**
* Returns true if a non-deferrable error was raised during annotation processing, i.e. an error
* reported by an annotation processor.
*
* <p>Errors reported by turbine (e.g. missing symbols) are non-fatal, since they may be fixed by
* code generated in later processing rounds.
*/
public boolean errorRaised() {
for (TurbineDiagnostic error : diagnostics) {
if (error.kind().equals(ErrorKind.PROC) && error.severity().equals(Diagnostic.Kind.ERROR)) {
return true;
}
}
return false;
}
/** Reset the log between annotation processing rounds. */
public void clear() {
diagnostics.removeIf(TurbineDiagnostic::isError);
}
/** Reports an annotation processing diagnostic with no position information. */
public void diagnostic(Diagnostic.Kind severity, String message) {
diagnostics.add(TurbineDiagnostic.format(severity, ErrorKind.PROC, message));
}
/** A log for a specific source file. */
public class TurbineLogWithSource {
private final SourceFile source;
private TurbineLogWithSource(SourceFile source) {
this.source = source;
}
public void diagnostic(Diagnostic.Kind severity, int position, ErrorKind kind, Object... args) {
diagnostics.add(TurbineDiagnostic.format(severity, source, position, kind, args));
}
public void error(int position, ErrorKind kind, Object... args) {
diagnostic(Diagnostic.Kind.ERROR, position, kind, args);
}
}
}
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