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go.tools/gc/importer: fix struct tags and parameter names

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R=iant
CC=golang-codereviews
https://golang.org/cl/42280046
This commit is contained in:
Robert Griesemer 2013-12-20 15:17:16 -08:00
parent 87ccd3155a
commit d4da60d38f
2 changed files with 10 additions and 4 deletions
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12
go/gcimporter/gcimporter.go
View File

@ -473,7 +473,12 @@ func (p *parser) parseField() (*types.Var, string) {
}
tag := ""
if p.tok == scanner.String {
tag = p.expect(scanner.String)
s := p.expect(scanner.String)
var err error
tag, err = strconv.Unquote(s)
if err != nil {
p.errorf("invalid struct tag %s: %s", s, err)
}
}
return types.NewField(token.NoPos, pkg, name, typ, anonymous), tag
}
@ -509,8 +514,9 @@ func (p *parser) parseStructType() types.Type {
//
func (p *parser) parseParameter() (par *types.Var, isVariadic bool) {
_, name := p.parseName(false)
if name == "" {
name = "_" // cannot access unnamed identifiers
// remove gc-specific parameter numbering
if i := strings.Index(name, "·"); i >= 0 {
name = name[:i]
}
if p.tok == '.' {
p.expectSpecial("...")

2
go/gcimporter/gcimporter_test.go
View File

@ -128,7 +128,7 @@ var importedObjectTests = []struct {
{"math.Pi", "const Pi untyped float"},
{"io.Reader", "type Reader interface{Read(p []byte) (n int, err error)}"},
{"io.ReadWriter", "type ReadWriter interface{Read(p []byte) (n int, err error); Write(p []byte) (n int, err error)}"},
{"math.Sin", "func Sin(x·2 float64) (_ float64)"},
{"math.Sin", "func Sin(x float64) float64"},
// TODO(gri) add more tests
}