Exemplo n.º 1
0
func newSnippet(fset *token.FileSet, decl ast.Decl, id *ast.Ident) *Snippet {
	// TODO instead of pretty-printing the node, should use the original source instead
	var buf1 bytes.Buffer
	writeNode(&buf1, fset, decl)
	// wrap text with <pre> tag
	var buf2 bytes.Buffer
	buf2.WriteString("<pre>")
	FormatText(&buf2, buf1.Bytes(), -1, true, id.Name, nil)
	buf2.WriteString("</pre>")
	return &Snippet{fset.Position(id.Pos()).Line, buf2.String()}
}
Exemplo n.º 2
0
// NewSnippet creates a text snippet from a declaration decl containing an
// identifier id. Parts of the declaration not containing the identifier
// may be removed for a more compact snippet.
//
func NewSnippet(fset *token.FileSet, decl ast.Decl, id *ast.Ident) (s *Snippet) {
	switch d := decl.(type) {
	case *ast.GenDecl:
		s = genSnippet(fset, d, id)
	case *ast.FuncDecl:
		s = funcSnippet(fset, d, id)
	}

	// handle failure gracefully
	if s == nil {
		var buf bytes.Buffer
		fmt.Fprintf(&buf, `<span class="alert">could not generate a snippet for <span class="highlight">%s</span></span>`, id.Name)
		s = &Snippet{fset.Position(id.Pos()).Line, buf.String()}
	}
	return
}
Exemplo n.º 3
0
func (x *Indexer) visitIdent(kind SpotKind, id *ast.Ident) {
	if id != nil {
		lists, found := x.words[id.Name]
		if !found {
			lists = new(IndexResult)
			x.words[id.Name] = lists
		}

		if kind == Use || x.decl == nil {
			// not a declaration or no snippet required
			info := makeSpotInfo(kind, x.current.Line(id.Pos()), false)
			lists.Others = append(lists.Others, Spot{x.file, info})
		} else {
			// a declaration with snippet
			index := x.addSnippet(NewSnippet(x.fset, x.decl, id))
			info := makeSpotInfo(kind, index, true)
			lists.Decls = append(lists.Decls, Spot{x.file, info})
		}

		x.stats.Spots++
	}
}