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mirror of https://github.com/golang/go synced 2024-10-01 03:18:33 -06:00

internal/lsp: use URIs instead of FileIdentity in errors

This change modifies the source.Error type to have a URI instead of a
FileIdentity associated with an error.

Change-Id: I8056bdc881dd3ec43af02cca1366815c0bc6dfcd
Reviewed-on: https://go-review.googlesource.com/c/tools/+/214586
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 2020-01-13 19:43:43 -05:00
parent d31a08c2ed
commit 189207f339
4 changed files with 34 additions and 32 deletions

View File

@ -7,7 +7,6 @@ package cache
import (
"bytes"
"context"
"fmt"
"go/scanner"
"go/token"
"go/types"
@ -105,12 +104,8 @@ func sourceError(ctx context.Context, fset *token.FileSet, pkg *pkg, e interface
if err != nil {
return nil, err
}
ph, err := pkg.File(spn.URI())
if err != nil {
return nil, fmt.Errorf("finding file for error %q: %v", msg, err)
}
return &source.Error{
File: ph.File().Identity(),
URI: spn.URI(),
Range: rng,
Message: msg,
Kind: kind,

View File

@ -89,20 +89,11 @@ func (s *Server) publishReports(ctx context.Context, snapshot source.Snapshot, r
s.deliveredMu.Lock()
defer s.deliveredMu.Unlock()
for identity, diagnostics := range reports {
for fileID, diagnostics := range reports {
// Don't deliver diagnostics if the context has already been canceled.
if ctx.Err() != nil {
break
}
// Rather than using the identity provided in the report,
// get the FileHandle directly through the snapshot.
// This prevents us from using cached file versions.
fh, err := snapshot.GetFile(identity.URI)
if err != nil {
log.Error(ctx, "publishReports: failed to get FileHandle", err, telemetry.File.Of(identity.URI))
continue
}
fileID := fh.Identity()
// Pre-sort diagnostics to avoid extra work when we compare them.
source.SortDiagnostics(diagnostics)

View File

@ -94,19 +94,27 @@ func PackageDiagnostics(ctx context.Context, snapshot Snapshot, ph PackageHandle
continue
}
// If no file is associated with the error, pick an open file from the package.
if e.File.URI.Filename() == "" {
if e.URI.Filename() == "" {
for _, ph := range pkg.CompiledGoFiles() {
if snapshot.View().Session().IsOpen(ph.File().Identity().URI) {
e.File = ph.File().Identity()
e.URI = ph.File().Identity().URI
}
}
}
clearReports(snapshot, reports, e.File)
fh, err := snapshot.GetFile(e.URI)
if err != nil {
return nil, warningMsg, err
}
clearReports(snapshot, reports, fh.Identity())
}
// Run diagnostics for the package that this URI belongs to.
if !diagnostics(ctx, snapshot, pkg, reports) && withAnalysis {
hadDiagnostics, err := diagnostics(ctx, snapshot, reports, pkg)
if err != nil {
return nil, warningMsg, err
}
if !hadDiagnostics && withAnalysis {
// If we don't have any list, parse, or type errors, run analyses.
if err := analyses(ctx, snapshot, ph, disabledAnalyses, reports); err != nil {
if err := analyses(ctx, snapshot, reports, ph, disabledAnalyses); err != nil {
// Exit early if the context has been canceled.
if err == context.Canceled {
return nil, warningMsg, err
@ -131,7 +139,7 @@ func PackageDiagnostics(ctx context.Context, snapshot Snapshot, ph PackageHandle
for _, fh := range pkg.CompiledGoFiles() {
clearReports(snapshot, reports, fh.File().Identity())
}
diagnostics(ctx, snapshot, pkg, reports)
diagnostics(ctx, snapshot, reports, pkg)
}
return reports, warningMsg, nil
}
@ -140,7 +148,7 @@ type diagnosticSet struct {
listErrors, parseErrors, typeErrors []*Diagnostic
}
func diagnostics(ctx context.Context, snapshot Snapshot, pkg Package, reports map[FileIdentity][]Diagnostic) bool {
func diagnostics(ctx context.Context, snapshot Snapshot, reports map[FileIdentity][]Diagnostic, pkg Package) (bool, error) {
ctx, done := trace.StartSpan(ctx, "source.diagnostics", telemetry.Package.Of(pkg.ID()))
_ = ctx // circumvent SA4006
defer done()
@ -152,10 +160,14 @@ func diagnostics(ctx context.Context, snapshot Snapshot, pkg Package, reports ma
Range: e.Range,
Severity: protocol.SeverityError,
}
set, ok := diagSets[e.File]
fh, err := snapshot.GetFile(e.URI)
if err != nil {
return false, err
}
set, ok := diagSets[fh.Identity()]
if !ok {
set = &diagnosticSet{}
diagSets[e.File] = set
diagSets[fh.Identity()] = set
}
switch e.Kind {
case ParseError:
@ -181,12 +193,12 @@ func diagnostics(ctx context.Context, snapshot Snapshot, pkg Package, reports ma
if len(diags) > 0 {
nonEmptyDiagnostics = true
}
addReports(ctx, reports, snapshot, fileID, diags...)
addReports(ctx, snapshot, reports, fileID, diags...)
}
return nonEmptyDiagnostics
return nonEmptyDiagnostics, nil
}
func analyses(ctx context.Context, snapshot Snapshot, ph PackageHandle, disabledAnalyses map[string]struct{}, reports map[FileIdentity][]Diagnostic) error {
func analyses(ctx context.Context, snapshot Snapshot, reports map[FileIdentity][]Diagnostic, ph PackageHandle, disabledAnalyses map[string]struct{}) error {
var analyzers []*analysis.Analyzer
for _, a := range snapshot.View().Options().Analyzers {
if _, ok := disabledAnalyses[a.Name]; ok {
@ -209,7 +221,11 @@ func analyses(ctx context.Context, snapshot Snapshot, ph PackageHandle, disabled
if onlyDeletions(e.SuggestedFixes) {
tags = append(tags, protocol.Unnecessary)
}
addReports(ctx, reports, snapshot, e.File, &Diagnostic{
fh, err := snapshot.GetFile(e.URI)
if err != nil {
return err
}
addReports(ctx, snapshot, reports, fh.Identity(), &Diagnostic{
Range: e.Range,
Message: e.Message,
Source: e.Category,
@ -229,7 +245,7 @@ func clearReports(snapshot Snapshot, reports map[FileIdentity][]Diagnostic, file
reports[fileID] = []Diagnostic{}
}
func addReports(ctx context.Context, reports map[FileIdentity][]Diagnostic, snapshot Snapshot, fileID FileIdentity, diagnostics ...*Diagnostic) error {
func addReports(ctx context.Context, snapshot Snapshot, reports map[FileIdentity][]Diagnostic, fileID FileIdentity, diagnostics ...*Diagnostic) error {
if snapshot.View().Ignore(fileID.URI) {
return nil
}

View File

@ -334,7 +334,7 @@ type Package interface {
}
type Error struct {
File FileIdentity
URI span.URI
Range protocol.Range
Kind ErrorKind
Message string
@ -354,7 +354,7 @@ const (
)
func (e *Error) Error() string {
return fmt.Sprintf("%s:%s: %s", e.File, e.Range, e.Message)
return fmt.Sprintf("%s:%s: %s", e.URI, e.Range, e.Message)
}
type BuiltinPackage interface {