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Identifiers

Identifier-part-listp

Check if a list of Java Unicode characters consists of only characters that can be non-starting parts of identifiers.

Signature
(identifier-part-listp x) → std::bool

This is an ordinary std::deflist. It is "loose" in that it does not care whether x is nil-terminated.

Definitions and Theorems

Function: identifier-part-listp

(defun identifier-part-listp (x)
  (declare (xargs :guard (unicode-listp x)))
  (let ((__function__ 'identifier-part-listp))
    (declare (ignorable __function__))
    (if (consp x)
        (and (identifier-part-p (car x))
             (identifier-part-listp (cdr x)))
      t)))

Theorem: identifier-part-listp-of-unicode-list-fix-x

(defthm identifier-part-listp-of-unicode-list-fix-x
  (equal (identifier-part-listp (unicode-list-fix x))
         (identifier-part-listp x)))

Theorem: identifier-part-listp-unicode-list-equiv-congruence-on-x

(defthm identifier-part-listp-unicode-list-equiv-congruence-on-x
  (implies (unicode-list-equiv x x-equiv)
           (equal (identifier-part-listp x)
                  (identifier-part-listp x-equiv)))
  :rule-classes :congruence)

Subtopics

Identifier-part-listp-basics: Basic theorems about identifier-part-listp, generated by std::deflist.