asciigoat's core library
https://asciigoat.org/core
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45 lines
678 B
45 lines
678 B
package lexer |
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import ( |
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"fmt" |
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"strings" |
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) |
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var ( |
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_ error = (*Error)(nil) |
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) |
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// Error represents a generic parsing error |
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type Error struct { |
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Filename string |
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Line int |
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Column int |
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Content string |
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Err error |
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} |
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func (err Error) Error() string { |
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var s []string |
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switch { |
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case err.Line > 0 || err.Column > 0: |
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s = append(s, fmt.Sprintf("%s:%v:%v", err.Filename, err.Line, err.Column)) |
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case err.Filename != "": |
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s = append(s, err.Filename) |
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} |
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if err.Err != nil { |
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s = append(s, err.Err.Error()) |
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} |
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if err.Content != "" { |
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s = append(s, fmt.Sprintf("%q", err.Content)) |
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} |
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return strings.Join(s, ": ") |
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} |
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func (err Error) Unwrap() error { |
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return err.Err |
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}
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