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godoc: use virtual file system when generating package synopses
Fix for godoc on app engine. R=dsymonds CC=golang-dev https://golang.org/cl/4922050
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@ -117,7 +117,7 @@ func (b *treeBuilder) newDirTree(fset *token.FileSet, path, name string, depth i
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// though the directory doesn't contain any real package files - was bug)
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if synopses[0] == "" {
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// no "optimal" package synopsis yet; continue to collect synopses
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file, err := parser.ParseFile(fset, filepath.Join(path, d.Name()), nil,
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file, err := parseFile(fset, filepath.Join(path, d.Name()),
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parser.ParseComments|parser.PackageClauseOnly)
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if err == nil {
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hasPkgFiles = true
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@ -17,18 +17,18 @@ import (
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"path/filepath"
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)
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func parseFile(fset *token.FileSet, filename string, mode uint) (*ast.File, os.Error) {
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src, err := fs.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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return parser.ParseFile(fset, filename, src, mode)
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}
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func parseFiles(fset *token.FileSet, filenames []string) (pkgs map[string]*ast.Package, first os.Error) {
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pkgs = make(map[string]*ast.Package)
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for _, filename := range filenames {
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src, err := fs.ReadFile(filename)
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if err != nil {
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if first == nil {
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first = err
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}
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continue
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}
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file, err := parser.ParseFile(fset, filename, src, parser.ParseComments)
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file, err := parseFile(fset, filename, parser.ParseComments)
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if err != nil {
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if first == nil {
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first = err
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