func (p *printer) isOneLineFunc(b *ast.BlockStmt, headerSize int) bool {
pos1 := b.Pos()
pos2 := b.Rbrace
if pos1.IsValid() && pos2.IsValid() && p.fset.Position(pos1).Line != p.fset.Position(pos2).Line {
// opening and closing brace are on different lines - don't make it a one-liner
return false
}
if len(b.List) > 5 || p.commentBefore(p.fset.Position(pos2)) {
// too many statements or there is a comment inside - don't make it a one-liner
return false
}
// otherwise, estimate body size
const maxSize = 100
bodySize := 0
for i, s := range b.List {
if i > 0 {
bodySize += 2 // space for a semicolon and blank
}
bodySize += p.nodeSize(s, maxSize)
}
return headerSize+bodySize <= maxSize
}
// block prints an *ast.BlockStmt; it always spans at least two lines.
func (p *printer) block(s *ast.BlockStmt, indent int) {
p.print(s.Pos(), token.LBRACE)
p.stmtList(s.List, indent, true)
p.linebreak(p.fset.Position(s.Rbrace).Line, 1, ignore, true)
p.print(s.Rbrace, token.RBRACE)
}