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• Syscalls

Vl-*ary-syscall-p

Recognize calls of a particular system function call, without any arity checking.

Signature

(vl-*ary-syscall-p name x) → *

Arguments

name — Name of the particular system call, e.g., $size.
    Guard (stringp name).

x — Expression to test.
    Guard (vl-expr-p x).

For instance, to see if x is a call of $size, you could write:

(vl-*ary-syscall-p "$size" x)

Definitions and Theorems

Function: vl-*ary-syscall-p

(defun vl-*ary-syscall-p (name x)
  (declare (xargs :guard (and (stringp name) (vl-expr-p x))))
  (let ((__function__ 'vl-*ary-syscall-p))
    (declare (ignorable __function__))
    (vl-expr-case x
                  :vl-call (and x.systemp
                                (equal (vl-simple-id-name x.name)
                                       (string-fix name)))
                  :otherwise nil)))

Theorem: arity-stuff-about-vl-*ary-syscall-p

(defthm arity-stuff-about-vl-*ary-syscall-p
  (implies
       (vl-*ary-syscall-p name x)
       (vl-expr-case x
                     :vl-call (and x.systemp
                                   (equal (vl-simple-id-name x.name)
                                          (string-fix name)))
                     :otherwise nil))
  :rule-classes :forward-chaining)

Theorem: vl-*ary-syscall-p-of-str-fix-name

(defthm vl-*ary-syscall-p-of-str-fix-name
  (equal (vl-*ary-syscall-p (str-fix name) x)
         (vl-*ary-syscall-p name x)))

Theorem: vl-*ary-syscall-p-streqv-congruence-on-name

(defthm vl-*ary-syscall-p-streqv-congruence-on-name
  (implies (streqv name name-equiv)
           (equal (vl-*ary-syscall-p name x)
                  (vl-*ary-syscall-p name-equiv x)))
  :rule-classes :congruence)

Theorem: vl-*ary-syscall-p-of-vl-expr-fix-x

(defthm vl-*ary-syscall-p-of-vl-expr-fix-x
  (equal (vl-*ary-syscall-p name (vl-expr-fix x))
         (vl-*ary-syscall-p name x)))

Theorem: vl-*ary-syscall-p-vl-expr-equiv-congruence-on-x

(defthm vl-*ary-syscall-p-vl-expr-equiv-congruence-on-x
  (implies (vl-expr-equiv x x-equiv)
           (equal (vl-*ary-syscall-p name x)
                  (vl-*ary-syscall-p name x-equiv)))
  :rule-classes :congruence)