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internal/lsp: use correct file identities when computing diagnostics

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CL 214586 switched to using URIs in error messages instead of file
identities. It wasn't fully correct because the reports were being
allocated for the file identities in the package handle (which may be
outdated).

Fixes golang/go#36601

Change-Id: I4fcfc02df74d94fff49540c784ef816c357e7232
Reviewed-on: https://go-review.googlesource.com/c/tools/+/215680
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
This commit is contained in:
Rebecca Stambler 2020-01-21 14:45:11 -05:00
parent bd79bb77d6
commit 62545537a9
1 changed files with 36 additions and 45 deletions
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81
internal/lsp/source/diagnostics.go
View File

@ -6,7 +6,6 @@ package source
import (
"context"
"fmt"
"strings"
"golang.org/x/tools/go/analysis"
@ -69,7 +68,9 @@ func Diagnostics(ctx context.Context, snapshot Snapshot, ph PackageHandle, withA
// Prepare the reports we will send for the files in this package.
reports := make(map[FileIdentity][]Diagnostic)
for _, fh := range pkg.CompiledGoFiles() {
clearReports(snapshot, reports, fh.File().Identity())
if err := clearReports(snapshot, reports, fh.File().Identity().URI); err != nil {
return nil, warningMsg, err
}
}
// Prepare any additional reports for the errors in this package.
for _, e := range pkg.GetErrors() {
@ -85,11 +86,9 @@ func Diagnostics(ctx context.Context, snapshot Snapshot, ph PackageHandle, withA
}
}
}
fh, err := snapshot.GetFile(e.URI)
if err != nil {
if err := clearReports(snapshot, reports, e.URI); err != nil {
return nil, warningMsg, err
}
clearReports(snapshot, reports, fh.Identity())
}
// Run diagnostics for the package that this URI belongs to.
hadDiagnostics, err := diagnostics(ctx, snapshot, reports, pkg)
@ -142,21 +141,17 @@ func diagnostics(ctx context.Context, snapshot Snapshot, reports map[FileIdentit
_ = ctx // circumvent SA4006
defer done()
diagSets := make(map[FileIdentity]*diagnosticSet)
diagSets := make(map[span.URI]*diagnosticSet)
for _, e := range pkg.GetErrors() {
diag := &Diagnostic{
Message: e.Message,
Range: e.Range,
Severity: protocol.SeverityError,
}
fh, err := snapshot.GetFile(e.URI)
if err != nil {
return false, err
}
set, ok := diagSets[fh.Identity()]
set, ok := diagSets[e.URI]
if !ok {
set = &diagnosticSet{}
diagSets[fh.Identity()] = set
diagSets[e.URI] = set
}
switch e.Kind {
case ParseError:
@ -171,7 +166,7 @@ func diagnostics(ctx context.Context, snapshot Snapshot, reports map[FileIdentit
}
}
var nonEmptyDiagnostics bool // track if we actually send non-empty diagnostics
for fileID, set := range diagSets {
for uri, set := range diagSets {
// Don't report type errors if there are parse errors or list errors.
diags := set.typeErrors
if len(set.parseErrors) > 0 {
@ -182,7 +177,9 @@ func diagnostics(ctx context.Context, snapshot Snapshot, reports map[FileIdentit
if len(diags) > 0 {
nonEmptyDiagnostics = true
}
addReports(ctx, snapshot, reports, fileID, diags...)
if err := addReports(ctx, snapshot, reports, uri, diags...); err != nil {
return false, err
}
}
return nonEmptyDiagnostics, nil
}
@ -210,11 +207,7 @@ func analyses(ctx context.Context, snapshot Snapshot, reports map[FileIdentity][
if onlyDeletions(e.SuggestedFixes) {
tags = append(tags, protocol.Unnecessary)
}
fh, err := snapshot.GetFile(e.URI)
if err != nil {
return err
}
addReports(ctx, snapshot, reports, fh.Identity(), &Diagnostic{
if err := addReports(ctx, snapshot, reports, e.URI, &Diagnostic{
Range: e.Range,
Message: e.Message,
Source: e.Category,
@ -222,47 +215,45 @@ func analyses(ctx context.Context, snapshot Snapshot, reports map[FileIdentity][
Tags: tags,
SuggestedFixes: e.SuggestedFixes,
Related: e.Related,
})
}); err != nil {
return err
}
}
return nil
}
func clearReports(snapshot Snapshot, reports map[FileIdentity][]Diagnostic, fileID FileIdentity) {
if snapshot.View().Ignore(fileID.URI) {
return
}
reports[fileID] = []Diagnostic{}
}
func addReports(ctx context.Context, snapshot Snapshot, reports map[FileIdentity][]Diagnostic, fileID FileIdentity, diagnostics ...*Diagnostic) error {
if snapshot.View().Ignore(fileID.URI) {
func clearReports(snapshot Snapshot, reports map[FileIdentity][]Diagnostic, uri span.URI) error {
if snapshot.View().Ignore(uri) {
return nil
}
if _, ok := reports[fileID]; !ok {
return errors.Errorf("diagnostics for unexpected file %s", fileID.URI)
fh, err := snapshot.GetFile(uri)
if err != nil {
return err
}
reports[fh.Identity()] = []Diagnostic{}
return nil
}
func addReports(ctx context.Context, snapshot Snapshot, reports map[FileIdentity][]Diagnostic, uri span.URI, diagnostics ...*Diagnostic) error {
if snapshot.View().Ignore(uri) {
return nil
}
fh, err := snapshot.GetFile(uri)
if err != nil {
return err
}
if _, ok := reports[fh.Identity()]; !ok {
return errors.Errorf("diagnostics for unexpected file %s", uri)
}
for _, diag := range diagnostics {
if diag == nil {
continue
}
reports[fileID] = append(reports[fileID], *diag)
reports[fh.Identity()] = append(reports[fh.Identity()], *diag)
}
return nil
}
func singleDiagnostic(fileID FileIdentity, format string, a ...interface{}) map[FileIdentity][]Diagnostic {
return map[FileIdentity][]Diagnostic{
fileID: []Diagnostic{
{
Source: "gopls",
Range: protocol.Range{},
Message: fmt.Sprintf(format, a...),
Severity: protocol.SeverityError,
},
},
}
}
// onlyDeletions returns true if all of the suggested fixes are deletions.
func onlyDeletions(fixes []SuggestedFix) bool {
for _, fix := range fixes {