github.com/april1989/origin-go-tools@v0.0.32/internal/lsp/cache/pkg.go (about)

     1  // Copyright 2019 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package cache
     6  
     7  import (
     8  	"go/ast"
     9  	"go/types"
    10  
    11  	"github.com/april1989/origin-go-tools/go/packages"
    12  	"github.com/april1989/origin-go-tools/internal/lsp/source"
    13  	"github.com/april1989/origin-go-tools/internal/span"
    14  	errors "golang.org/x/xerrors"
    15  )
    16  
    17  // pkg contains the type information needed by the source package.
    18  type pkg struct {
    19  	m               *metadata
    20  	mode            source.ParseMode
    21  	goFiles         []*source.ParsedGoFile
    22  	compiledGoFiles []*source.ParsedGoFile
    23  	errors          []*source.Error
    24  	imports         map[packagePath]*pkg
    25  	module          *packages.Module
    26  	typeErrors      []types.Error
    27  	types           *types.Package
    28  	typesInfo       *types.Info
    29  	typesSizes      types.Sizes
    30  }
    31  
    32  // Declare explicit types for package paths, names, and IDs to ensure that we
    33  // never use an ID where a path belongs, and vice versa. If we confused these,
    34  // it would result in confusing errors because package IDs often look like
    35  // package paths.
    36  type (
    37  	packageID   string
    38  	packagePath string
    39  	packageName string
    40  )
    41  
    42  // Declare explicit types for files and directories to distinguish between the two.
    43  type (
    44  	fileURI       span.URI
    45  	directoryURI  span.URI
    46  	viewLoadScope span.URI
    47  )
    48  
    49  func (p *pkg) ID() string {
    50  	return string(p.m.id)
    51  }
    52  
    53  func (p *pkg) Name() string {
    54  	return string(p.m.name)
    55  }
    56  
    57  func (p *pkg) PkgPath() string {
    58  	return string(p.m.pkgPath)
    59  }
    60  
    61  func (p *pkg) CompiledGoFiles() []*source.ParsedGoFile {
    62  	return p.compiledGoFiles
    63  }
    64  
    65  func (p *pkg) File(uri span.URI) (*source.ParsedGoFile, error) {
    66  	for _, cgf := range p.compiledGoFiles {
    67  		if cgf.URI == uri {
    68  			return cgf, nil
    69  		}
    70  	}
    71  	for _, gf := range p.goFiles {
    72  		if gf.URI == uri {
    73  			return gf, nil
    74  		}
    75  	}
    76  	return nil, errors.Errorf("no parsed file for %s in %v", uri, p.m.id)
    77  }
    78  
    79  func (p *pkg) GetSyntax() []*ast.File {
    80  	var syntax []*ast.File
    81  	for _, pgf := range p.compiledGoFiles {
    82  		syntax = append(syntax, pgf.File)
    83  	}
    84  	return syntax
    85  }
    86  
    87  func (p *pkg) GetErrors() []*source.Error {
    88  	return p.errors
    89  }
    90  
    91  func (p *pkg) GetTypes() *types.Package {
    92  	return p.types
    93  }
    94  
    95  func (p *pkg) GetTypesInfo() *types.Info {
    96  	return p.typesInfo
    97  }
    98  
    99  func (p *pkg) GetTypesSizes() types.Sizes {
   100  	return p.typesSizes
   101  }
   102  
   103  func (p *pkg) IsIllTyped() bool {
   104  	return p.types == nil || p.typesInfo == nil || p.typesSizes == nil
   105  }
   106  
   107  func (p *pkg) ForTest() string {
   108  	return string(p.m.forTest)
   109  }
   110  
   111  func (p *pkg) GetImport(pkgPath string) (source.Package, error) {
   112  	if imp := p.imports[packagePath(pkgPath)]; imp != nil {
   113  		return imp, nil
   114  	}
   115  	// Don't return a nil pointer because that still satisfies the interface.
   116  	return nil, errors.Errorf("no imported package for %s", pkgPath)
   117  }
   118  
   119  func (p *pkg) MissingDependencies() []string {
   120  	var md []string
   121  	for i := range p.m.missingDeps {
   122  		md = append(md, string(i))
   123  	}
   124  	return md
   125  }
   126  
   127  func (p *pkg) Imports() []source.Package {
   128  	var result []source.Package
   129  	for _, imp := range p.imports {
   130  		result = append(result, imp)
   131  	}
   132  	return result
   133  }
   134  
   135  func (p *pkg) Module() *packages.Module {
   136  	return p.module
   137  }