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• Parser

Parse-asm-clobber

Parse an assembler clobber.

Signature

(parse-asm-clobber parstate) 
  → 
(mv erp clobber span new-parstate)

Arguments

parstate — Guard (parstatep parstate).

Returns

clobber — Type (asm-clobberp clobber).

span — Type (spanp span).

new-parstate — Type (parstatep new-parstate), given (parstatep parstate).

This is a sequence of one or more juxtaposed string literals.

Definitions and Theorems

Function: parse-asm-clobber

(defun parse-asm-clobber (parstate)
  (declare (xargs :stobjs (parstate)))
  (declare (xargs :guard (parstatep parstate)))
  (let ((__function__ 'parse-asm-clobber))
    (declare (ignorable __function__))
    (b* (((reterr)
          (irr-asm-clobber)
          (irr-span)
          parstate)
         ((erp string span parstate)
          (read-stringlit parstate))
         ((erp strings last-span parstate)
          (parse-*-stringlit parstate)))
      (retok (asm-clobber (cons string strings))
             (if (consp strings)
                 (span-join span last-span)
               span)
             parstate))))

Theorem: asm-clobberp-of-parse-asm-clobber.clobber

(defthm asm-clobberp-of-parse-asm-clobber.clobber
  (b* (((mv acl2::?erp ?clobber ?span ?new-parstate)
        (parse-asm-clobber parstate)))
    (asm-clobberp clobber))
  :rule-classes :rewrite)

Theorem: spanp-of-parse-asm-clobber.span

(defthm spanp-of-parse-asm-clobber.span
  (b* (((mv acl2::?erp ?clobber ?span ?new-parstate)
        (parse-asm-clobber parstate)))
    (spanp span))
  :rule-classes :rewrite)

Theorem: parstatep-of-parse-asm-clobber.new-parstate

(defthm parstatep-of-parse-asm-clobber.new-parstate
  (implies (parstatep parstate)
           (b* (((mv acl2::?erp ?clobber ?span ?new-parstate)
                 (parse-asm-clobber parstate)))
             (parstatep new-parstate)))
  :rule-classes :rewrite)

Theorem: parsize-of-parse-asm-clobber-uncond

(defthm parsize-of-parse-asm-clobber-uncond
  (b* (((mv acl2::?erp ?clobber ?span ?new-parstate)
        (parse-asm-clobber parstate)))
    (<= (parsize new-parstate)
        (parsize parstate)))
  :rule-classes :linear)

Theorem: parsize-of-parse-asm-clobber-cond

(defthm parsize-of-parse-asm-clobber-cond
  (b* (((mv acl2::?erp ?clobber ?span ?new-parstate)
        (parse-asm-clobber parstate)))
    (implies (not erp)
             (<= (parsize new-parstate)
                 (1- (parsize parstate)))))
  :rule-classes :linear)