|
| 1 | +package io.bazel.rulesscala.scalac.reporter; |
| 2 | + |
| 3 | +import io.bazel.rules_scala.diagnostics.Diagnostics; |
| 4 | +import java.io.IOException; |
| 5 | +import java.nio.file.Files; |
| 6 | +import java.nio.file.Path; |
| 7 | +import java.nio.file.StandardOpenOption; |
| 8 | +import java.util.*; |
| 9 | +import scala.reflect.internal.util.Position; |
| 10 | +import scala.reflect.internal.util.RangePosition; |
| 11 | +import scala.tools.nsc.Settings; |
| 12 | +import scala.tools.nsc.reporters.ConsoleReporter; |
| 13 | + |
| 14 | +public class ProtoReporter extends ConsoleReporter { |
| 15 | + |
| 16 | + private final Map<String, List<Diagnostics.Diagnostic>> builder; |
| 17 | + |
| 18 | + public ProtoReporter(Settings settings) { |
| 19 | + super(settings); |
| 20 | + builder = new LinkedHashMap<>(); |
| 21 | + } |
| 22 | + |
| 23 | + @Override |
| 24 | + public void reset() { |
| 25 | + super.reset(); |
| 26 | + } |
| 27 | + |
| 28 | + public void writeTo(Path path) throws IOException { |
| 29 | + Diagnostics.TargetDiagnostics.Builder targetDiagnostics = |
| 30 | + Diagnostics.TargetDiagnostics.newBuilder(); |
| 31 | + for (Map.Entry<String, List<Diagnostics.Diagnostic>> entry : builder.entrySet()) { |
| 32 | + targetDiagnostics.addDiagnostics( |
| 33 | + Diagnostics.FileDiagnostics.newBuilder() |
| 34 | + .setPath(entry.getKey()) |
| 35 | + .addAllDiagnostics(entry.getValue())); |
| 36 | + } |
| 37 | + Files.write( |
| 38 | + path, |
| 39 | + targetDiagnostics.build().toByteArray(), |
| 40 | + StandardOpenOption.CREATE, |
| 41 | + StandardOpenOption.APPEND); |
| 42 | + } |
| 43 | + |
| 44 | + @Override |
| 45 | + public void info0(Position pos, String msg, Severity severity, boolean force) { |
| 46 | + doReport(pos, msg, severity); |
| 47 | + } |
| 48 | + |
| 49 | + @Override |
| 50 | + public void doReport(Position pos, String msg, Severity severity) { |
| 51 | + super.doReport(pos, msg, severity); |
| 52 | + |
| 53 | + Diagnostics.Diagnostic diagnostic = |
| 54 | + Diagnostics.Diagnostic.newBuilder() |
| 55 | + .setRange(positionToRange(pos)) |
| 56 | + .setSeverity(convertSeverity(severity)) |
| 57 | + .setMessage(msg) |
| 58 | + .build(); |
| 59 | + // TODO: Handle generated files |
| 60 | + String uri = "workspace-root://" + pos.source().file().path(); |
| 61 | + List<Diagnostics.Diagnostic> diagnostics = builder.computeIfAbsent(uri, key -> new ArrayList()); |
| 62 | + diagnostics.add(diagnostic); |
| 63 | + } |
| 64 | + |
| 65 | + private Diagnostics.Severity convertSeverity(Object severity) { |
| 66 | + String stringified = severity.toString().toLowerCase(); |
| 67 | + if ("error".equals(stringified)) { |
| 68 | + return Diagnostics.Severity.ERROR; |
| 69 | + } else if ("warning".equals(stringified)) { |
| 70 | + return Diagnostics.Severity.WARNING; |
| 71 | + } else if ("info".equals(stringified)) { |
| 72 | + return Diagnostics.Severity.INFORMATION; |
| 73 | + } |
| 74 | + throw new RuntimeException("Unknown severity: " + stringified); |
| 75 | + } |
| 76 | + |
| 77 | + private Diagnostics.Range positionToRange(Position pos) { |
| 78 | + if (pos instanceof RangePosition) { |
| 79 | + RangePosition rangePos = (RangePosition) pos; |
| 80 | + int startLine = pos.source().offsetToLine(rangePos.start()); |
| 81 | + int endLine = pos.source().offsetToLine(rangePos.end()); |
| 82 | + return Diagnostics.Range.newBuilder() |
| 83 | + .setStart( |
| 84 | + Diagnostics.Position.newBuilder() |
| 85 | + .setLine(startLine) |
| 86 | + .setCharacter(rangePos.start() - pos.source().lineToOffset(startLine))) |
| 87 | + .setEnd( |
| 88 | + Diagnostics.Position.newBuilder() |
| 89 | + .setLine(endLine) |
| 90 | + .setCharacter(rangePos.end() - pos.source().lineToOffset(endLine)) |
| 91 | + .build()) |
| 92 | + .build(); |
| 93 | + } |
| 94 | + return Diagnostics.Range.newBuilder() |
| 95 | + .setStart( |
| 96 | + Diagnostics.Position.newBuilder() |
| 97 | + .setLine(pos.line() - 1) |
| 98 | + .setCharacter(pos.column() - 1)) |
| 99 | + .setEnd(Diagnostics.Position.newBuilder().setLine(pos.line())) |
| 100 | + .build(); |
| 101 | + } |
| 102 | +} |
0 commit comments