// NewContext generates a context from the given builder, naming systems, and
// the naming system you wish to construct the canonical ordering from.
func NewContext(b *parser.Builder, nameSystems namer.NameSystems, canonicalOrderName string) (*Context, error) {
universe, err := b.FindTypes()
if err != nil {
return nil, err
}
c := &Context{
Namers: namer.NameSystems{},
Universe: universe,
Inputs: b.FindPackages(),
FileTypes: map[string]FileType{
GolangFileType: NewGolangFile(),
},
builder: b,
}
for name, systemNamer := range nameSystems {
c.Namers[name] = systemNamer
if name == canonicalOrderName {
orderer := namer.Orderer{Namer: systemNamer}
c.Order = orderer.OrderUniverse(universe)
}
}
return c, nil
}
func construct(t *testing.T, files map[string]string, testNamer namer.Namer) (*parser.Builder, types.Universe, []*types.Type) {
b := parser.New()
for name, src := range files {
if err := b.AddFile(filepath.Dir(name), name, []byte(src)); err != nil {
t.Fatal(err)
}
}
u, err := b.FindTypes()
if err != nil {
t.Fatal(err)
}
orderer := namer.Orderer{Namer: testNamer}
o := orderer.OrderUniverse(u)
return b, u, o
}