func gotypes(data []byte) (err error) {
fset := token.NewFileSet()
var f *ast.File
f, err = parser.ParseFile(fset, "src.go", data, parser.ParseComments|parser.DeclarationErrors|parser.AllErrors)
if err != nil {
return
}
// provide error handler
// initialize maps in config
conf := &types.Config{
Error: func(err error) {},
Sizes: &types.StdSizes{8, 8},
Importer: importer.For("gc", nil),
}
_, err = conf.Check("pkg", fset, []*ast.File{f}, nil)
if err != nil {
return
}
prog := ssa.NewProgram(fset, ssa.BuildSerially|ssa.SanityCheckFunctions|ssa.GlobalDebug)
prog.BuildAll()
for _, pkg := range prog.AllPackages() {
_, err := pkg.WriteTo(ioutil.Discard)
if err != nil {
panic(err)
}
}
return
}
func checkPkgFiles(files []*ast.File) {
compiler := "gc"
if *gccgo {
compiler = "gccgo"
}
type bailout struct{}
conf := types.Config{
FakeImportC: true,
Error: func(err error) {
if !*allErrors && errorCount >= 10 {
panic(bailout{})
}
report(err)
},
Importer: importer.For(compiler, nil),
Sizes: sizes,
}
defer func() {
switch p := recover().(type) {
case nil, bailout:
// normal return or early exit
default:
// re-panic
panic(p)
}
}()
const path = "pkg" // any non-empty string will do for now
conf.Check(path, fset, files, nil)
}
func init() {
register("gc", importer.For("gc", nil))
}