forked from ebhomengo/niki
130 lines
1.7 KiB
Go
130 lines
1.7 KiB
Go
package swag
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"go/build"
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"os/exec"
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"path/filepath"
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)
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func listPackages(ctx context.Context, dir string, env []string, args ...string) (pkgs []*build.Package, finalErr error) {
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cmd := exec.CommandContext(ctx, "go", append([]string{"list", "-json", "-e"}, args...)...)
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cmd.Env = env
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cmd.Dir = dir
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return nil, err
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}
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var stderrBuf bytes.Buffer
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cmd.Stderr = &stderrBuf
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defer func() {
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if stderrBuf.Len() > 0 {
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finalErr = fmt.Errorf("%v\n%s", finalErr, stderrBuf.Bytes())
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}
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}()
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err = cmd.Start()
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if err != nil {
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return nil, err
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}
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dec := json.NewDecoder(stdout)
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for dec.More() {
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var pkg build.Package
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err = dec.Decode(&pkg)
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if err != nil {
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return nil, err
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}
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pkgs = append(pkgs, &pkg)
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}
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err = cmd.Wait()
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if err != nil {
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return nil, err
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}
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return pkgs, nil
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}
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func (parser *Parser) getAllGoFileInfoFromDepsByList(pkg *build.Package, parseFlag ParseFlag) error {
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ignoreInternal := pkg.Goroot && !parser.ParseInternal
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if ignoreInternal { // ignored internal
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return nil
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}
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if parser.skipPackageByPrefix(pkg.ImportPath) {
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return nil // ignored by user-defined package path prefixes
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}
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srcDir := pkg.Dir
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var err error
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for i := range pkg.GoFiles {
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err = parser.parseFile(pkg.ImportPath, filepath.Join(srcDir, pkg.GoFiles[i]), nil, parseFlag)
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if err != nil {
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return err
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}
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}
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// parse .go source files that import "C"
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for i := range pkg.CgoFiles {
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err = parser.parseFile(pkg.ImportPath, filepath.Join(srcDir, pkg.CgoFiles[i]), nil, parseFlag)
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if err != nil {
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return err
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}
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}
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return nil
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}
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