func genSnippet(fset *token.FileSet, d *ast.GenDecl, id *ast.Ident) *Snippet {
s := findSpec(d.Specs, id)
if s == nil {
return nil // declaration doesn't contain id - exit gracefully
}
// only use the spec containing the id for the snippet
dd := &ast.GenDecl{
Doc: d.Doc,
TokPos: d.Pos(),
Tok: d.Tok,
Lparen: d.Lparen,
Specs: []ast.Spec{s},
Rparen: d.Rparen,
}
return newSnippet(fset, dd, id)
}
func (p *printer) genDecl(d *ast.GenDecl) {
p.setComment(d.Doc)
p.print(d.Pos(), d.Tok, blank)
if d.Lparen.IsValid() {
// group of parenthesized declarations
p.print(d.Lparen, token.LPAREN)
if n := len(d.Specs); n > 0 {
p.print(indent, formfeed)
if n > 1 && (d.Tok == token.CONST || d.Tok == token.VAR) {
// two or more grouped const/var declarations:
// determine if the type column must be kept
keepType := keepTypeColumn(d.Specs)
newSection := false
for i, s := range d.Specs {
if i > 0 {
p.linebreak(p.lineFor(s.Pos()), 1, ignore, newSection)
}
p.valueSpec(s.(*ast.ValueSpec), keepType[i])
newSection = p.isMultiLine(s)
}
} else {
newSection := false
for i, s := range d.Specs {
if i > 0 {
p.linebreak(p.lineFor(s.Pos()), 1, ignore, newSection)
}
p.spec(s, n, false)
newSection = p.isMultiLine(s)
}
}
p.print(unindent, formfeed)
}
p.print(d.Rparen, token.RPAREN)
} else {
// single declaration
p.spec(d.Specs[0], 1, true)
}
}