blob: 68ffbf000ef36a61c92170e21d6d769cd81fe606 [file] [log] [blame]
// Copyright 2014 The Bazel Authors. 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.devtools.build.lib.query2.engine;
import com.google.common.base.Preconditions;
import com.google.devtools.build.lib.cmdline.QueryExceptionMarkerInterface;
import com.google.devtools.build.lib.server.FailureDetails.ActionQuery;
import com.google.devtools.build.lib.server.FailureDetails.ConfigurableQuery;
import com.google.devtools.build.lib.server.FailureDetails.FailureDetail;
import com.google.devtools.build.lib.server.FailureDetails.Query;
/** Exception indicating a failure in Blaze query, aquery, or cquery. */
public class QueryException extends Exception implements QueryExceptionMarkerInterface {
/** Returns a better error message for the query. */
static String describeFailedQuery(QueryException e, QueryExpression toplevel) {
QueryExpression badQuery = e.getFailedExpression();
if (badQuery == null) {
return "Evaluation failed: " + e.getMessage();
}
return badQuery == toplevel
? "Evaluation of query \"" + toplevel.toTrunctatedString() + "\" failed: " + e.getMessage()
: "Evaluation of subquery \""
+ badQuery.toTrunctatedString()
+ "\" failed (did you want to use --keep_going?): "
+ e.getMessage();
}
private final QueryExpression expression;
private final FailureDetail failureDetail;
public QueryException(QueryException e, QueryExpression toplevel) {
super(describeFailedQuery(e, toplevel), e);
this.expression = null;
this.failureDetail = e.getFailureDetail();
}
public QueryException(
QueryExpression expression, String message, Throwable cause, FailureDetail failureDetail) {
super(message, cause);
this.expression = expression;
this.failureDetail = Preconditions.checkNotNull(failureDetail);
}
public QueryException(QueryExpression expression, String message, FailureDetail failureDetail) {
super(message);
this.expression = expression;
this.failureDetail = Preconditions.checkNotNull(failureDetail);
}
public QueryException(QueryExpression expression, String message, Query.Code queryCode) {
this(
expression,
message,
FailureDetail.newBuilder()
.setMessage(message)
.setQuery(Query.newBuilder().setCode(queryCode).build())
.build());
}
public QueryException(
QueryExpression expression, String message, ActionQuery.Code actionQueryCode) {
this(
expression,
message,
FailureDetail.newBuilder()
.setMessage(message)
.setActionQuery(ActionQuery.newBuilder().setCode(actionQueryCode).build())
.build());
}
public QueryException(
QueryExpression expression, String message, ConfigurableQuery.Code configurableQueryCode) {
this(
expression,
message,
FailureDetail.newBuilder()
.setMessage(message)
.setConfigurableQuery(
ConfigurableQuery.newBuilder().setCode(configurableQueryCode).build())
.build());
}
public QueryException(String message, Throwable cause, FailureDetail failureDetail) {
super(message, cause);
this.expression = null;
this.failureDetail = Preconditions.checkNotNull(failureDetail);
}
public QueryException(String message, FailureDetail failureDetail) {
super(message);
this.expression = null;
this.failureDetail = Preconditions.checkNotNull(failureDetail);
}
public QueryException(String message, Query.Code queryCode) {
this(null, message, queryCode);
}
public QueryException(String message, ActionQuery.Code actionQueryCode) {
this(null, message, actionQueryCode);
}
public QueryException(String message, ConfigurableQuery.Code configurableQueryCode) {
this(null, message, configurableQueryCode);
}
/**
* Returns the subexpression for which evaluation failed, or null if
* the failure occurred during lexing/parsing.
*/
public QueryExpression getFailedExpression() {
return expression;
}
/** Returns a {@link FailureDetail} with a corresponding code of the query error. */
public FailureDetail getFailureDetail() {
return failureDetail;
}
}