mirror of https://github.com/golang/go.git
139 lines
3.2 KiB
Go
139 lines
3.2 KiB
Go
// Copyright 2019 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 cache
|
|
|
|
import (
|
|
"go/ast"
|
|
"go/types"
|
|
|
|
"golang.org/x/tools/go/packages"
|
|
"golang.org/x/tools/internal/lsp/source"
|
|
"golang.org/x/tools/internal/span"
|
|
errors "golang.org/x/xerrors"
|
|
)
|
|
|
|
// pkg contains the type information needed by the source package.
|
|
type pkg struct {
|
|
// ID and package path have their own types to avoid being used interchangeably.
|
|
id packageID
|
|
name packageName
|
|
pkgPath packagePath
|
|
mode source.ParseMode
|
|
forTest packagePath
|
|
goFiles []*parseGoHandle
|
|
compiledGoFiles []*parseGoHandle
|
|
errors []*source.Error
|
|
imports map[packagePath]*pkg
|
|
module *packages.Module
|
|
typeErrors []types.Error
|
|
types *types.Package
|
|
typesInfo *types.Info
|
|
typesSizes types.Sizes
|
|
}
|
|
|
|
// Declare explicit types for package paths, names, and IDs to ensure that we
|
|
// never use an ID where a path belongs, and vice versa. If we confused these,
|
|
// it would result in confusing errors because package IDs often look like
|
|
// package paths.
|
|
type (
|
|
packageID string
|
|
packagePath string
|
|
packageName string
|
|
)
|
|
|
|
// Declare explicit types for files and directories to distinguish between the two.
|
|
type fileURI span.URI
|
|
type directoryURI span.URI
|
|
type viewLoadScope span.URI
|
|
|
|
func (p *pkg) ID() string {
|
|
return string(p.id)
|
|
}
|
|
|
|
func (p *pkg) Name() string {
|
|
return string(p.name)
|
|
}
|
|
|
|
func (p *pkg) PkgPath() string {
|
|
return string(p.pkgPath)
|
|
}
|
|
|
|
func (p *pkg) CompiledGoFiles() []source.ParseGoHandle {
|
|
var files []source.ParseGoHandle
|
|
for _, f := range p.compiledGoFiles {
|
|
files = append(files, f)
|
|
}
|
|
return files
|
|
}
|
|
|
|
func (p *pkg) File(uri span.URI) (source.ParseGoHandle, error) {
|
|
for _, ph := range p.compiledGoFiles {
|
|
if ph.File().URI() == uri {
|
|
return ph, nil
|
|
}
|
|
}
|
|
for _, ph := range p.goFiles {
|
|
if ph.File().URI() == uri {
|
|
return ph, nil
|
|
}
|
|
}
|
|
return nil, errors.Errorf("no ParseGoHandle for %s", uri)
|
|
}
|
|
|
|
func (p *pkg) GetSyntax() []*ast.File {
|
|
var syntax []*ast.File
|
|
for _, ph := range p.compiledGoFiles {
|
|
file, _, _, _, err := ph.Cached()
|
|
if err == nil {
|
|
syntax = append(syntax, file)
|
|
}
|
|
}
|
|
return syntax
|
|
}
|
|
|
|
func (p *pkg) GetErrors() []*source.Error {
|
|
return p.errors
|
|
}
|
|
|
|
func (p *pkg) GetTypes() *types.Package {
|
|
return p.types
|
|
}
|
|
|
|
func (p *pkg) GetTypesInfo() *types.Info {
|
|
return p.typesInfo
|
|
}
|
|
|
|
func (p *pkg) GetTypesSizes() types.Sizes {
|
|
return p.typesSizes
|
|
}
|
|
|
|
func (p *pkg) IsIllTyped() bool {
|
|
return p.types == nil || p.typesInfo == nil || p.typesSizes == nil
|
|
}
|
|
|
|
func (p *pkg) ForTest() string {
|
|
return string(p.forTest)
|
|
}
|
|
|
|
func (p *pkg) GetImport(pkgPath string) (source.Package, error) {
|
|
if imp := p.imports[packagePath(pkgPath)]; imp != nil {
|
|
return imp, nil
|
|
}
|
|
// Don't return a nil pointer because that still satisfies the interface.
|
|
return nil, errors.Errorf("no imported package for %s", pkgPath)
|
|
}
|
|
|
|
func (p *pkg) Imports() []source.Package {
|
|
var result []source.Package
|
|
for _, imp := range p.imports {
|
|
result = append(result, imp)
|
|
}
|
|
return result
|
|
}
|
|
|
|
func (p *pkg) Module() *packages.Module {
|
|
return p.module
|
|
}
|