Unit parses a source unit (clauses and decls).
(reader io.Reader)
| 120 | |
| 121 | // Unit parses a source unit (clauses and decls). |
| 122 | func Unit(reader io.Reader) (SourceUnit, error) { |
| 123 | bytes, err := io.ReadAll(reader) |
| 124 | if err != nil { |
| 125 | return SourceUnit{}, err |
| 126 | } |
| 127 | p, err := newParser(string(bytes)) |
| 128 | if err != nil { |
| 129 | return SourceUnit{}, err |
| 130 | } |
| 131 | defer p.reset() |
| 132 | tree := p.parser.Start_() |
| 133 | if err := p.error(); err != nil { |
| 134 | return SourceUnit{}, err |
| 135 | } |
| 136 | sourceUnit := p.Visit(tree) |
| 137 | if err := p.error(); err != nil { |
| 138 | return SourceUnit{}, err |
| 139 | } |
| 140 | return sourceUnit.(SourceUnit), nil |
| 141 | } |
| 142 | |
| 143 | func (p *Parser) error() error { |
| 144 | if len(p.errors.errors) == 0 { |