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parse-error

parse-error Condition Type

Class Precedence List:

parse-error, error, serious-condition, condition, t

Description:

The type parse-error consists of error conditions that are related to parsing.

See Also:

parse-namestring, reader-error

Expanded Reference: parse-error​

The parse-error Type​

parse-error is a condition type for errors encountered during parsing. It is a subtype of error.

(subtypep 'parse-error 'error)

=> T
=> T

Catching Parse Errors​

Parse errors are typically signaled by functions like parse-integer when they encounter invalid input.

(handler-case
    (parse-integer "abc")
  (parse-error ()
    :parse-failed))

=> :PARSE-FAILED

Reader Errors Are Parse Errors​

Errors during read that involve malformed input may also be of type parse-error (specifically reader-error, which is a subtype of parse-error).

(subtypep 'reader-error 'parse-error)

=> T
=> T