mirror of
https://github.com/golang/go
synced 2024-11-18 13:24:39 -07:00
6b78e25f47
There were a few merge conflict-related issues in the GC optimization details CL. Also fixed a few things I noticed after the fact, like separating out a new mutex. Staticcheck caught a few things, and I also fixed a bug I noticed in the cache package. Change-Id: I3fc519373253418586dca08fdec3114b30a247ea Reviewed-on: https://go-review.googlesource.com/c/tools/+/245399 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Peter Weinberger <pjw@google.com>
138 lines
3.0 KiB
Go
138 lines
3.0 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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"go/ast"
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"go/types"
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"golang.org/x/tools/go/packages"
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"golang.org/x/tools/internal/lsp/source"
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"golang.org/x/tools/internal/span"
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errors "golang.org/x/xerrors"
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)
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// pkg contains the type information needed by the source package.
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type pkg struct {
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m *metadata
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mode source.ParseMode
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goFiles []*source.ParsedGoFile
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compiledGoFiles []*source.ParsedGoFile
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errors []*source.Error
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imports map[packagePath]*pkg
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module *packages.Module
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typeErrors []types.Error
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types *types.Package
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typesInfo *types.Info
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typesSizes types.Sizes
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}
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// Declare explicit types for package paths, names, and IDs to ensure that we
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// never use an ID where a path belongs, and vice versa. If we confused these,
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// it would result in confusing errors because package IDs often look like
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// package paths.
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type (
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packageID string
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packagePath string
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packageName string
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)
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// Declare explicit types for files and directories to distinguish between the two.
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type (
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fileURI span.URI
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directoryURI span.URI
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viewLoadScope span.URI
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)
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func (p *pkg) ID() string {
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return string(p.m.id)
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}
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func (p *pkg) Name() string {
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return string(p.m.name)
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}
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func (p *pkg) PkgPath() string {
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return string(p.m.pkgPath)
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}
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func (p *pkg) CompiledGoFiles() []*source.ParsedGoFile {
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return p.compiledGoFiles
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}
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func (p *pkg) File(uri span.URI) (*source.ParsedGoFile, error) {
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for _, cgf := range p.compiledGoFiles {
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if cgf.URI == uri {
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return cgf, nil
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}
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}
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for _, gf := range p.goFiles {
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if gf.URI == uri {
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return gf, nil
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}
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}
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return nil, errors.Errorf("no parsed file for %s in %v", uri, p.m.id)
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}
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func (p *pkg) GetSyntax() []*ast.File {
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var syntax []*ast.File
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for _, pgf := range p.compiledGoFiles {
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syntax = append(syntax, pgf.File)
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}
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return syntax
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}
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func (p *pkg) GetErrors() []*source.Error {
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return p.errors
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}
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func (p *pkg) GetTypes() *types.Package {
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return p.types
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}
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func (p *pkg) GetTypesInfo() *types.Info {
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return p.typesInfo
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}
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func (p *pkg) GetTypesSizes() types.Sizes {
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return p.typesSizes
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}
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func (p *pkg) IsIllTyped() bool {
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return p.types == nil || p.typesInfo == nil || p.typesSizes == nil
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}
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func (p *pkg) ForTest() string {
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return string(p.m.forTest)
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}
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func (p *pkg) GetImport(pkgPath string) (source.Package, error) {
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if imp := p.imports[packagePath(pkgPath)]; imp != nil {
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return imp, nil
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}
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// Don't return a nil pointer because that still satisfies the interface.
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return nil, errors.Errorf("no imported package for %s", pkgPath)
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}
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func (p *pkg) MissingDependencies() []string {
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var md []string
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for i := range p.m.missingDeps {
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md = append(md, string(i))
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}
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return md
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}
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func (p *pkg) Imports() []source.Package {
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var result []source.Package
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for _, imp := range p.imports {
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result = append(result, imp)
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}
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return result
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}
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func (p *pkg) Module() *packages.Module {
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return p.module
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}
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