• Top
    • Documentation
    • Books
    • Boolean-reasoning
    • Projects
    • Debugging
    • Community
    • Std
    • Proof-automation
    • Macro-libraries
    • ACL2
    • Interfacing-tools
    • Hardware-verification
      • Gl
      • Esim
      • Vl2014
      • Sv
      • Fgl
      • Vwsim
      • Vl
        • Syntax
        • Loader
          • Preprocessor
          • Vl-loadconfig
          • Vl-loadstate
          • Lexer
          • Parser
            • Parse-expressions
            • Parse-udps
            • Parse-statements
            • Parse-property
            • Vl-genelements
            • Parse-paramdecls
            • Parse-blockitems
            • Parse-utils
            • Parse-insts
              • Special-note-about-blank-ports
              • Vl-parse-list-of-named-port-connections-2012
              • Vl-parse-udp-or-module-instantiation
              • Vl-parse-udp-instance
                • Vl-parse-module-instance-2012
                • Vl-parse-module-instance-2005
                • Vl-parse-list-of-ordered-port-connections
                • Vl-parse-list-of-named-port-connections-2005
                • Vl-parse-1+-udp-instances
                • Vl-parse-1+-module-instances
                • Vl-parse-udp-instantiation
                • Vl-parse-named-port-connection
                • Vl-parse-module-instantiation
                • Vl-parse-list-of-named-port-connections
                • Vl-parse-bind-directive-scopeless
                • Vl-parse-bind-directive-scoped
                • Vl-parse-module-instance
                • Vl-parse-list-of-port-connections
                • Vl-parse-bind-directive
              • Parse-functions
              • Parse-assignments
              • Parse-clocking
              • Parse-strengths
              • Vl-parse-genvar-declaration
              • Vl-parse
              • Parse-netdecls
              • Parse-asserts
              • Vl-maybe-parse-lifetime
              • Parse-dpi-import-export
              • Parse-ports
              • Parse-timeunits
              • Seq
              • Parse-packages
              • Parse-eventctrl
            • Vl-load-merge-descriptions
            • Vl-find-basename/extension
            • Vl-load-file
            • Vl-loadresult
            • Scope-of-defines
            • Vl-find-file
            • Vl-flush-out-descriptions
            • Vl-description
            • Vl-read-file
            • Vl-includeskips-report-gather
            • Vl-load-main
            • Extended-characters
            • Vl-load
            • Vl-load-description
            • Vl-descriptions-left-to-load
            • Inject-warnings
            • Vl-preprocess-debug
            • Vl-write-preprocessor-debug-file
            • Vl-read-file-report-gather
            • Vl-load-descriptions
            • Vl-load-files
            • Translate-off
            • Vl-load-read-file-hook
            • Vl-read-file-report
            • Vl-loadstate-pad
            • Vl-load-summary
            • Vl-collect-modules-from-descriptions
            • Vl-loadstate->warnings
            • Vl-iskips-report
            • Vl-descriptionlist
          • Warnings
          • Getting-started
          • Utilities
          • Printer
          • Kit
          • Mlib
          • Transforms
        • X86isa
        • Svl
        • Rtl
      • Software-verification
      • Math
      • Testing-utilities
    • Parse-insts

    Vl-parse-udp-instance

    Signature
    (vl-parse-udp-instance loc modname str 
                           delay atts &key (tokstream 'tokstream) 
                           (config 'config)) 
     
      → 
    (mv errmsg? value new-tokstream)
    Arguments
    config — Guard (vl-loadconfig-p config).

    Definitions and Theorems

    Function: vl-parse-udp-instance-fn

    (defun vl-parse-udp-instance-fn
           (loc modname str delay atts tokstream config)
     (declare (xargs :stobjs (tokstream)))
     (declare (xargs :guard (vl-loadconfig-p config)))
     (declare (ignorable config))
     (declare (xargs :guard (and (vl-location-p loc)
                                 (stringp modname)
                                 (vl-maybe-gatestrength-p str)
                                 (vl-maybe-gatedelay-p delay)
                                 (vl-atts-p atts))))
     (let ((__function__ 'vl-parse-udp-instance))
      (declare (ignorable __function__))
      (seq
       tokstream
       (when (vl-is-token? :vl-idtoken)
             (inst-id := (vl-match-token :vl-idtoken))
             (when (vl-is-token? :vl-lbrack)
                   (range := (vl-parse-range))))
       (:= (vl-match-token :vl-lparen))
       (lvalue := (vl-parse-net-lvalue))
       (:= (vl-match-token :vl-comma))
       (exprs := (vl-parse-1+-expressions-separated-by-commas))
       (:= (vl-match-token :vl-rparen))
       (return
        (make-vl-modinst
           :loc loc
           :instname (and inst-id (vl-idtoken->name inst-id))
           :modname modname
           :range range
           :paramargs (make-vl-paramargs-plain :args nil)
           :portargs
           (make-vl-arguments-plain
                :args (vl-exprlist-to-plainarglist (cons lvalue exprs)))
           :str str
           :delay delay
           :atts atts)))))

    Theorem: vl-parse-udp-instance-fails-gracefully

    (defthm vl-parse-udp-instance-fails-gracefully
     (implies
      (mv-nth 0
              (vl-parse-udp-instance loc modname str delay atts))
      (not
          (mv-nth 1
                  (vl-parse-udp-instance loc modname str delay atts)))))

    Theorem: vl-warning-p-of-vl-parse-udp-instance

    (defthm vl-warning-p-of-vl-parse-udp-instance
     (iff
       (vl-warning-p
            (mv-nth 0
                    (vl-parse-udp-instance loc modname str delay atts)))
       (mv-nth 0
               (vl-parse-udp-instance loc modname str delay atts))))

    Theorem: vl-parse-udp-instance-result

    (defthm vl-parse-udp-instance-result
     (implies
      (and (and (force (vl-location-p loc))
                (force (stringp modname))
                (force (vl-maybe-gatestrength-p str))
                (force (vl-maybe-gatedelay-p delay))
                (force (vl-atts-p atts))))
      (equal
       (vl-modinst-p
            (mv-nth 1
                    (vl-parse-udp-instance loc modname str delay atts)))
       (not
         (mv-nth 0
                 (vl-parse-udp-instance loc modname str delay atts))))))

    Theorem: vl-parse-udp-instance-count-strong

    (defthm vl-parse-udp-instance-count-strong
     (and
      (<=
       (vl-tokstream-measure
            :tokstream
            (mv-nth 2
                    (vl-parse-udp-instance loc modname str delay atts)))
       (vl-tokstream-measure))
      (implies
       (not (mv-nth 0
                    (vl-parse-udp-instance loc modname str delay atts)))
       (<
        (vl-tokstream-measure
            :tokstream
            (mv-nth 2
                    (vl-parse-udp-instance loc modname str delay atts)))
        (vl-tokstream-measure))))
     :rule-classes ((:rewrite) (:linear)))