mirror of https://github.com/golang/go.git
150 lines
3.4 KiB
Go
150 lines
3.4 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/scanner"
|
|
"go/types"
|
|
|
|
"golang.org/x/mod/module"
|
|
"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 {
|
|
m *Metadata
|
|
mode source.ParseMode
|
|
goFiles []*source.ParsedGoFile
|
|
compiledGoFiles []*source.ParsedGoFile
|
|
diagnostics []*source.Diagnostic
|
|
imports map[PackagePath]*pkg
|
|
version *module.Version
|
|
parseErrors []scanner.ErrorList
|
|
typeErrors []types.Error
|
|
types *types.Package
|
|
typesInfo *types.Info
|
|
typesSizes types.Sizes
|
|
hasFixedFiles bool // if true, AST was sufficiently mangled that we should hide type errors
|
|
}
|
|
|
|
// Declare explicit types for files and directories to distinguish between the two.
|
|
type (
|
|
fileURI span.URI
|
|
moduleLoadScope string
|
|
viewLoadScope span.URI
|
|
)
|
|
|
|
func (p *pkg) ID() string {
|
|
return string(p.m.ID)
|
|
}
|
|
|
|
func (p *pkg) Name() string {
|
|
return string(p.m.Name)
|
|
}
|
|
|
|
func (p *pkg) PkgPath() string {
|
|
return string(p.m.PkgPath)
|
|
}
|
|
|
|
func (p *pkg) ParseMode() source.ParseMode {
|
|
return p.mode
|
|
}
|
|
|
|
func (p *pkg) CompiledGoFiles() []*source.ParsedGoFile {
|
|
return p.compiledGoFiles
|
|
}
|
|
|
|
func (p *pkg) File(uri span.URI) (*source.ParsedGoFile, error) {
|
|
for _, cgf := range p.compiledGoFiles {
|
|
if cgf.URI == uri {
|
|
return cgf, nil
|
|
}
|
|
}
|
|
for _, gf := range p.goFiles {
|
|
if gf.URI == uri {
|
|
return gf, nil
|
|
}
|
|
}
|
|
return nil, errors.Errorf("no parsed file for %s in %v", uri, p.m.ID)
|
|
}
|
|
|
|
func (p *pkg) GetSyntax() []*ast.File {
|
|
var syntax []*ast.File
|
|
for _, pgf := range p.compiledGoFiles {
|
|
syntax = append(syntax, pgf.File)
|
|
}
|
|
return syntax
|
|
}
|
|
|
|
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.m.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) MissingDependencies() []string {
|
|
// We don't invalidate metadata for import deletions, so check the package
|
|
// imports via the *types.Package. Only use metadata if p.types is nil.
|
|
if p.types == nil {
|
|
var md []string
|
|
for i := range p.m.MissingDeps {
|
|
md = append(md, string(i))
|
|
}
|
|
return md
|
|
}
|
|
var md []string
|
|
for _, pkg := range p.types.Imports() {
|
|
if _, ok := p.m.MissingDeps[PackagePath(pkg.Path())]; ok {
|
|
md = append(md, pkg.Path())
|
|
}
|
|
}
|
|
return md
|
|
}
|
|
|
|
func (p *pkg) Imports() []source.Package {
|
|
var result []source.Package
|
|
for _, imp := range p.imports {
|
|
result = append(result, imp)
|
|
}
|
|
return result
|
|
}
|
|
|
|
func (p *pkg) Version() *module.Version {
|
|
return p.version
|
|
}
|
|
|
|
func (p *pkg) HasListOrParseErrors() bool {
|
|
return len(p.m.Errors) != 0 || len(p.parseErrors) != 0
|
|
}
|
|
|
|
func (p *pkg) HasTypeErrors() bool {
|
|
return len(p.typeErrors) != 0
|
|
}
|