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start example/test for components access

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This commit is contained in:
Michael McLoughlin
2018-12-17 20:52:26 -08:00
parent 8282c9b17e
commit 34a3ddefcc
10 changed files with 160 additions and 12 deletions
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16
gotypes/signature.go
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@@ -10,13 +10,15 @@ import (
)
type Signature struct {
pkg *types.Package
sig *types.Signature
params *Tuple
results *Tuple
}
func NewSignature(sig *types.Signature) *Signature {
func NewSignature(pkg *types.Package, sig *types.Signature) *Signature {
s := &Signature{
pkg: pkg,
sig: sig,
}
s.init()
@@ -24,11 +26,15 @@ func NewSignature(sig *types.Signature) *Signature {
}
func NewSignatureVoid() *Signature {
return NewSignature(types.NewSignature(nil, nil, nil, false))
return NewSignature(nil, types.NewSignature(nil, nil, nil, false))
}
func ParseSignature(expr string) (*Signature, error) {
tv, err := types.Eval(token.NewFileSet(), nil, token.NoPos, expr)
return ParseSignatureInPackage(nil, expr)
}
func ParseSignatureInPackage(pkg *types.Package, expr string) (*Signature, error) {
tv, err := types.Eval(token.NewFileSet(), pkg, token.NoPos, expr)
if err != nil {
return nil, err
}
@@ -39,7 +45,7 @@ func ParseSignature(expr string) (*Signature, error) {
if !ok {
return nil, errors.New("provided type is not a function signature")
}
return NewSignature(s), nil
return NewSignature(pkg, s), nil
}
func (s *Signature) Params() *Tuple { return s.params }
@@ -50,7 +56,7 @@ func (s *Signature) Bytes() int { return s.Params().Bytes() + s.Results().Bytes(
func (s *Signature) String() string {
var buf bytes.Buffer
types.WriteSignature(&buf, s.sig, nil)
types.WriteSignature(&buf, s.sig, types.RelativeTo(s.pkg))
return buf.String()
}