• Top
  • Documentation
  • Books
  • Boolean-reasoning
  • Projects
  • Debugging
  • Community
  • Std
  • Proof-automation
  • Macro-libraries
  • ACL2
  • Interfacing-tools
  • Hardware-verification
    • Gl
    • Esim
    • Vl2014
      • Warnings
      • Primitives
      • Use-set
      • Syntax
      • Getting-started
      • Utilities
      • Loader
        • Preprocessor
        • Vl-loadconfig
        • Lexer
        • Vl-loadstate
        • Parser
          • Parse-expressions
          • Parse-udps
          • Vl-genelements
          • Parse-paramdecls
          • Parse-blockitems
          • Parse-utils
          • Parse-insts
          • Parse-datatype
          • Parse-functions
          • Parse-datatypes
            • Vl-parse-enum-base-type
            • Vl-parse-1+-variable-decl-assignments-separated-by-commas
            • Vl-parse-1+-enum-name-declarations-separated-by-commas
            • Vl-parse-enum-name-declaration
            • Vl-parse-variable-decl-assignment
            • Vl-parse-core-data-type
            • Vl-parse-0+-variable-dimensions
            • Vl-parse-0+-unpacked-dimensions
            • Vl-parse-unpacked-dimension
            • Vl-parse-datatype-or-implicit
            • Vl-parse-0+-packed-dimensions
            • Vl-parse-packeddimension
            • Vl-parse-variable-dimension
            • Vl-make-structmembers
            • Vl-coretypekwd->info
            • Vl-vardeclassignlist-p
          • Parse-strengths
          • Vl-parse-genvar-declaration
          • Vl-parse
          • Parse-ports
          • Seq
          • Parse-packages
        • Vl-load-merge-descriptions
        • Scope-of-defines
        • Vl-load-file
        • Vl-flush-out-descriptions
        • Vl-description
        • Vl-loadresult
        • Vl-read-file
        • Vl-find-basename/extension
        • Vl-find-file
        • Vl-read-files
        • Extended-characters
        • Vl-load
        • Vl-load-main
        • Vl-load-description
        • Vl-descriptions-left-to-load
        • Inject-warnings
        • Vl-load-descriptions
        • Vl-load-files
        • Vl-load-summary
        • Vl-collect-modules-from-descriptions
        • Vl-descriptionlist
      • Transforms
      • Lint
      • Mlib
      • Server
      • Kit
      • Printer
      • Esim-vl
      • Well-formedness
    • Sv
    • Fgl
    • Vwsim
    • Vl
    • X86isa
    • Svl
    • Rtl
  • Software-verification
  • Math
  • Testing-utilities

• Parse-datatypes

Vl-parse-unpacked-dimension

Signature

(vl-parse-unpacked-dimension &key (tokstream 'tokstream) 
                             (config 'config)) 
 
  → 
(mv errmsg? value new-tokstream)

Arguments

config — Guard (vl-loadconfig-p config).

Definitions and Theorems

Function: vl-parse-unpacked-dimension-fn

(defun vl-parse-unpacked-dimension-fn (tokstream config)
 (declare (xargs :stobjs (tokstream)))
 (declare (xargs :guard (vl-loadconfig-p config)))
 (declare (ignorable config))
 (let ((__function__ 'vl-parse-unpacked-dimension))
  (declare (ignorable __function__))
  (seq
   tokstream
   (:= (vl-match-token :vl-lbrack))
   (when (vl-is-token? :vl-rbrack)
         (:= (vl-match))
         (return :vl-unsized-dimension))
   (msb := (vl-parse-expression))
   (when (vl-is-token? :vl-colon)
         (:= (vl-match))
         (lsb := (vl-parse-expression)))
   (:= (vl-match-token :vl-rbrack))
   (return
    (if lsb (make-vl-range :msb msb :lsb lsb)
     (make-vl-range
          :msb (vl-make-index 0)
          :lsb
          (make-vl-nonatom :op :vl-binary-minus
                           :args (list msb (vl-make-index 1)))))))))

Theorem: vl-parse-unpacked-dimension-fails-gracefully

(defthm vl-parse-unpacked-dimension-fails-gracefully
  (implies (mv-nth 0 (vl-parse-unpacked-dimension))
           (not (mv-nth 1 (vl-parse-unpacked-dimension)))))

Theorem: vl-warning-p-of-vl-parse-unpacked-dimension

(defthm vl-warning-p-of-vl-parse-unpacked-dimension
  (iff (vl-warning-p (mv-nth 0 (vl-parse-unpacked-dimension)))
       (mv-nth 0 (vl-parse-unpacked-dimension))))

Theorem: vl-parse-unpacked-dimension-result

(defthm vl-parse-unpacked-dimension-result
 (implies
  (and t)
  (equal
     (vl-packeddimension-p (mv-nth 1 (vl-parse-unpacked-dimension)))
     (not (mv-nth 0 (vl-parse-unpacked-dimension))))))

Theorem: vl-parse-unpacked-dimension-count-strong

(defthm vl-parse-unpacked-dimension-count-strong
 (and
   (<= (vl-tokstream-measure
            :tokstream (mv-nth 2 (vl-parse-unpacked-dimension)))
       (vl-tokstream-measure))
   (implies
        (not (mv-nth 0 (vl-parse-unpacked-dimension)))
        (< (vl-tokstream-measure
                :tokstream (mv-nth 2 (vl-parse-unpacked-dimension)))
           (vl-tokstream-measure))))
 :rule-classes ((:rewrite) (:linear)))