Golang Package.Root Examples

Example #1

File: list.go Project: spenczar/godep

// fillPackage full of info. Assumes p.Dir is set at a minimum
func fillPackage(p *build.Package) error {
	if p.Goroot {
		return nil
	}

	if p.SrcRoot == "" {
		for _, base := range build.Default.SrcDirs() {
			if strings.HasPrefix(p.Dir, base) {
				p.SrcRoot = base
			}
		}
	}

	if p.SrcRoot == "" {
		return errors.New("Unable to find SrcRoot for package " + p.ImportPath)
	}

	if p.Root == "" {
		p.Root = filepath.Dir(p.SrcRoot)
	}

	var buildMatch = "+build "
	var buildFieldSplit = func(r rune) bool {
		return unicode.IsSpace(r) || r == ','
	}

	debugln("Filling package:", p.ImportPath, "from", p.Dir)
	gofiles, err := filepath.Glob(filepath.Join(p.Dir, "*.go"))
	if err != nil {
		debugln("Error globbing", err)
		return err
	}

	var testImports []string
	var imports []string
NextFile:
	for _, file := range gofiles {
		debugln(file)
		pf, err := parser.ParseFile(token.NewFileSet(), file, nil, parser.ParseComments)
		if err != nil {
			return err
		}
		testFile := strings.HasSuffix(file, "_test.go")
		fname := filepath.Base(file)
		if testFile {
			p.TestGoFiles = append(p.TestGoFiles, fname)
		} else {
			p.GoFiles = append(p.GoFiles, fname)
		}
		if len(pf.Comments) > 0 {
			for _, c := range pf.Comments {
				ct := c.Text()
				if i := strings.Index(ct, buildMatch); i != -1 {
					for _, b := range strings.FieldsFunc(ct[i+len(buildMatch):], buildFieldSplit) {
						//TODO: appengine is a special case for now: https://github.com/tools/godep/issues/353
						if b == "ignore" || b == "appengine" {
							p.IgnoredGoFiles = append(p.IgnoredGoFiles, fname)
							continue NextFile
						}
					}
				}
			}
		}
		for _, is := range pf.Imports {
			name, err := strconv.Unquote(is.Path.Value)
			if err != nil {
				return err // can't happen?
			}
			if testFile {
				testImports = append(testImports, name)
			} else {
				imports = append(imports, name)
			}
		}
	}
	imports = uniq(imports)
	testImports = uniq(testImports)
	p.Imports = imports
	p.TestImports = testImports
	return nil
}

Example #2

File: list.go Project: Cepave/lvs-metrics

// fillPackage full of info. Assumes p.Dir is set at a minimum
func fillPackage(p *build.Package) error {
	if p.Goroot {
		return nil
	}

	if p.SrcRoot == "" {
		for _, base := range build.Default.SrcDirs() {
			if strings.HasPrefix(p.Dir, base) {
				p.SrcRoot = base
			}
		}
	}

	if p.SrcRoot == "" {
		return errors.New("Unable to find SrcRoot for package " + p.ImportPath)
	}

	if p.Root == "" {
		p.Root = filepath.Dir(p.SrcRoot)
	}

	var buildMatch = "+build "
	var buildFieldSplit = func(r rune) bool {
		return unicode.IsSpace(r) || r == ','
	}

	debugln("Filling package:", p.ImportPath, "from", p.Dir)
	gofiles, err := filepath.Glob(filepath.Join(p.Dir, "*.go"))
	if err != nil {
		debugln("Error globbing", err)
		return err
	}

	var testImports []string
	var imports []string
NextFile:
	for _, file := range gofiles {
		debugln(file)
		pf, err := parser.ParseFile(token.NewFileSet(), file, nil, parser.ImportsOnly|parser.ParseComments)
		if err != nil {
			return err
		}
		testFile := strings.HasSuffix(file, "_test.go")
		fname := filepath.Base(file)
		for _, c := range pf.Comments {
			ct := c.Text()
			if i := strings.Index(ct, buildMatch); i != -1 {
				for _, t := range strings.FieldsFunc(ct[i+len(buildMatch):], buildFieldSplit) {
					for _, tag := range ignoreTags {
						if t == tag {
							p.IgnoredGoFiles = append(p.IgnoredGoFiles, fname)
							continue NextFile
						}
					}

					if versionMatch.MatchString(t) && !isSameOrNewer(t, majorGoVersion) {
						debugln("Adding", fname, "to ignored list because of version tag", t)
						p.IgnoredGoFiles = append(p.IgnoredGoFiles, fname)
						continue NextFile
					}
					if versionNegativeMatch.MatchString(t) && isSameOrNewer(t[1:], majorGoVersion) {
						debugln("Adding", fname, "to ignored list because of version tag", t)
						p.IgnoredGoFiles = append(p.IgnoredGoFiles, fname)
						continue NextFile
					}
				}
			}
		}
		if testFile {
			p.TestGoFiles = append(p.TestGoFiles, fname)
		} else {
			p.GoFiles = append(p.GoFiles, fname)
		}
		for _, is := range pf.Imports {
			name, err := strconv.Unquote(is.Path.Value)
			if err != nil {
				return err // can't happen?
			}
			if testFile {
				testImports = append(testImports, name)
			} else {
				imports = append(imports, name)
			}
		}
	}
	imports = uniq(imports)
	testImports = uniq(testImports)
	p.Imports = imports
	p.TestImports = testImports
	return nil
}