...
1
2
3
4
5 package gcexportdata
6
7 import (
8 "fmt"
9 "go/token"
10 "go/types"
11 "os"
12 )
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28 func NewImporter(fset *token.FileSet, imports map[string]*types.Package) types.ImporterFrom {
29 return importer{fset, imports}
30 }
31
32 type importer struct {
33 fset *token.FileSet
34 imports map[string]*types.Package
35 }
36
37 func (imp importer) Import(importPath string) (*types.Package, error) {
38 return imp.ImportFrom(importPath, "", 0)
39 }
40
41 func (imp importer) ImportFrom(importPath, srcDir string, mode types.ImportMode) (_ *types.Package, err error) {
42 filename, path := Find(importPath, srcDir)
43 if filename == "" {
44 if importPath == "unsafe" {
45
46
47 return types.Unsafe, nil
48 }
49 return nil, fmt.Errorf("can't find import: %s", importPath)
50 }
51
52 if pkg, ok := imp.imports[path]; ok && pkg.Complete() {
53 return pkg, nil
54 }
55
56
57 f, err := os.Open(filename)
58 if err != nil {
59 return nil, err
60 }
61 defer func() {
62 f.Close()
63 if err != nil {
64
65 err = fmt.Errorf("reading export data: %s: %v", filename, err)
66 }
67 }()
68
69 r, err := NewReader(f)
70 if err != nil {
71 return nil, err
72 }
73
74 return Read(r, imp.fset, imp.imports, path)
75 }
76
View as plain text