mirror of
https://github.com/golang/go
synced 2024-11-19 00:04:40 -07:00
d88f79806b
If a package has an error that makes it completely unparseable, such as containing a .go file with no "package" statement, the error was previously unreported. Such errors would manifest as other errors. Fixes golang/go#31712 Change-Id: I11b8d0e2e4d64b03fbcb4c35e7f0b02fccc83fad GitHub-Last-Rev: 1581cbe36c269dd964f0b9226dbd63b1650c2a5b GitHub-Pull-Request: golang/tools#102 Reviewed-on: https://go-review.googlesource.com/c/tools/+/177605 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Cottrell <iancottrell@google.com>
92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package lsp
|
|
|
|
import (
|
|
"context"
|
|
"strings"
|
|
|
|
"golang.org/x/tools/internal/lsp/protocol"
|
|
"golang.org/x/tools/internal/lsp/source"
|
|
"golang.org/x/tools/internal/span"
|
|
)
|
|
|
|
func (s *Server) Diagnostics(ctx context.Context, view source.View, uri span.URI) {
|
|
if ctx.Err() != nil {
|
|
s.session.Logger().Errorf(ctx, "canceling diagnostics for %s: %v", uri, ctx.Err())
|
|
return
|
|
}
|
|
reports, err := source.Diagnostics(ctx, view, uri)
|
|
if err != nil {
|
|
s.session.Logger().Errorf(ctx, "failed to compute diagnostics for %s: %v", uri, err)
|
|
return
|
|
}
|
|
|
|
s.undeliveredMu.Lock()
|
|
defer s.undeliveredMu.Unlock()
|
|
|
|
for uri, diagnostics := range reports {
|
|
if err := s.publishDiagnostics(ctx, view, uri, diagnostics); err != nil {
|
|
if s.undelivered == nil {
|
|
s.undelivered = make(map[span.URI][]source.Diagnostic)
|
|
}
|
|
s.undelivered[uri] = diagnostics
|
|
continue
|
|
}
|
|
// In case we had old, undelivered diagnostics.
|
|
delete(s.undelivered, uri)
|
|
}
|
|
// Anytime we compute diagnostics, make sure to also send along any
|
|
// undelivered ones (only for remaining URIs).
|
|
for uri, diagnostics := range s.undelivered {
|
|
err := s.publishDiagnostics(ctx, view, uri, diagnostics)
|
|
if err != nil {
|
|
s.session.Logger().Errorf(ctx, "failed to deliver diagnostic for %s: %v", uri, err)
|
|
}
|
|
// If we fail to deliver the same diagnostics twice, just give up.
|
|
delete(s.undelivered, uri)
|
|
}
|
|
}
|
|
|
|
func (s *Server) publishDiagnostics(ctx context.Context, view source.View, uri span.URI, diagnostics []source.Diagnostic) error {
|
|
protocolDiagnostics, err := toProtocolDiagnostics(ctx, view, diagnostics)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
s.client.PublishDiagnostics(ctx, &protocol.PublishDiagnosticsParams{
|
|
Diagnostics: protocolDiagnostics,
|
|
URI: protocol.NewURI(uri),
|
|
})
|
|
return nil
|
|
}
|
|
|
|
func toProtocolDiagnostics(ctx context.Context, v source.View, diagnostics []source.Diagnostic) ([]protocol.Diagnostic, error) {
|
|
reports := []protocol.Diagnostic{}
|
|
for _, diag := range diagnostics {
|
|
_, m, err := getSourceFile(ctx, v, diag.Span.URI())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var severity protocol.DiagnosticSeverity
|
|
switch diag.Severity {
|
|
case source.SeverityError:
|
|
severity = protocol.SeverityError
|
|
case source.SeverityWarning:
|
|
severity = protocol.SeverityWarning
|
|
}
|
|
rng, err := m.Range(diag.Span)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
reports = append(reports, protocol.Diagnostic{
|
|
Message: strings.TrimSpace(diag.Message), // go list returns errors prefixed by newline
|
|
Range: rng,
|
|
Severity: severity,
|
|
Source: diag.Source,
|
|
})
|
|
}
|
|
return reports, nil
|
|
}
|