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go/parser: restrict ParseDir to files with suffix ".go"

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Fixes #5956.

R=rsc, r
CC=golang-dev
https://golang.org/cl/11813043
This commit is contained in:
Robert Griesemer 2013-07-25 09:36:22 -07:00
parent f331012427
commit 4a695d2c18
2 changed files with 19 additions and 14 deletions
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15
src/pkg/go/parser/interface.go
View File

@ -15,6 +15,7 @@ import (
"io/ioutil"
"os"
"path/filepath"
"strings"
)
// If src != nil, readSource converts src to a []byte if possible;
@ -115,11 +116,13 @@ func ParseFile(fset *token.FileSet, filename string, src interface{}, mode Mode)
return
}
// ParseDir calls ParseFile for the files in the directory specified by path and
// returns a map of package name -> package AST with all the packages found. If
// filter != nil, only the files with os.FileInfo entries passing through the filter
// are considered. The mode bits are passed to ParseFile unchanged. Position
// information is recorded in the file set fset.
// ParseDir calls ParseFile for all files with names ending in ".go" in the
// directory specified by path and returns a map of package name -> package
// AST with all the packages found.
//
// If filter != nil, only the files with os.FileInfo entries passing through
// the filter (and ending in ".go") are considered. The mode bits are passed
// to ParseFile unchanged. Position information is recorded in fset.
//
// If the directory couldn't be read, a nil map and the respective error are
// returned. If a parse error occurred, a non-nil but incomplete map and the
@ -139,7 +142,7 @@ func ParseDir(fset *token.FileSet, path string, filter func(os.FileInfo) bool, m
pkgs = make(map[string]*ast.Package)
for _, d := range list {
if filter == nil || filter(d) {
if strings.HasSuffix(d.Name(), ".go") && (filter == nil || filter(d)) {
filename := filepath.Join(path, d.Name())
if src, err := ParseFile(fset, filename, nil, mode); err == nil {
name := src.Name.Name

18
src/pkg/go/parser/parser_test.go
View File

@ -34,13 +34,12 @@ func TestParse(t *testing.T) {
func nameFilter(filename string) bool {
switch filename {
case "parser.go":
case "interface.go":
case "parser_test.go":
default:
return false
}
case "parser.go", "interface.go", "parser_test.go":
return true
case "parser.go.orig":
return true // permit but should be ignored by ParseDir
}
return false
}
func dirFilter(f os.FileInfo) bool { return nameFilter(f.Name()) }
@ -51,14 +50,17 @@ func TestParseDir(t *testing.T) {
if err != nil {
t.Fatalf("ParseDir(%s): %v", path, err)
}
if len(pkgs) != 1 {
t.Errorf("incorrect number of packages: %d", len(pkgs))
if n := len(pkgs); n != 1 {
t.Errorf("got %d packages; want 1", n)
}
pkg := pkgs["parser"]
if pkg == nil {
t.Errorf(`package "parser" not found`)
return
}
if n := len(pkg.Files); n != 3 {
t.Errorf("got %d package files; want 3", n)
}
for filename := range pkg.Files {
if !nameFilter(filename) {
t.Errorf("unexpected package file: %s", filename)