1 /* 2 * Copyright 2016 Google Inc. All Rights Reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.turbine.diag; 18 19 import com.google.common.collect.ImmutableList; 20 import com.google.turbine.diag.TurbineError.ErrorKind; 21 import java.util.LinkedHashSet; 22 import java.util.Set; 23 24 /** A log that collects diagnostics. */ 25 public class TurbineLog { 26 27 private final Set<TurbineDiagnostic> errors = new LinkedHashSet<>(); 28 withSource(SourceFile source)29 public TurbineLogWithSource withSource(SourceFile source) { 30 return new TurbineLogWithSource(source); 31 } 32 maybeThrow()33 public void maybeThrow() { 34 if (!errors.isEmpty()) { 35 throw new TurbineError(ImmutableList.copyOf(errors)); 36 } 37 } 38 39 /** A log for a specific source file. */ 40 public class TurbineLogWithSource { 41 42 private final SourceFile source; 43 TurbineLogWithSource(SourceFile source)44 private TurbineLogWithSource(SourceFile source) { 45 this.source = source; 46 } 47 error(ErrorKind kind, Object... args)48 public void error(ErrorKind kind, Object... args) { 49 errors.add(TurbineDiagnostic.format(source, kind, args)); 50 } 51 error(int position, ErrorKind kind, Object... args)52 public void error(int position, ErrorKind kind, Object... args) { 53 errors.add(TurbineDiagnostic.format(source, position, kind, args)); 54 } 55 } 56 } 57