• Top
  • Documentation
  • Books
  • Boolean-reasoning
  • Projects
  • Debugging
  • Std
  • Proof-automation
  • Macro-libraries
  • ACL2
  • Interfacing-tools
  • Hardware-verification
    • Gl
    • Esim
    • Vl2014
    • Sv
    • Vwsim
    • Fgl
    • Vl
      • Syntax
      • Loader
        • Preprocessor
        • Vl-loadconfig
        • Vl-loadstate
        • Lexer
        • Parser
        • 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-location
          • Vl-echar-p
            • Make-vl-echar-fast
            • Vl-echar->char
            • Vl-echar
            • Vl-echar->loc
            • Vl-echarpack-p
          • Vl-echarlist->chars
          • Vl-echarlist-from-chars
          • Vl-echarlist-from-str
          • Vl-echarlist-unsigned-value
          • Vl-change-echarlist-locations
          • Vl-echar-digit-value
          • Vl-echarlist->string
        • 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

• Vl-echar-p

Vl-echar

High-level constructor for an vl-echar-p.

Signature

(vl-echar char loc) → echar

Arguments

char — Guard (characterp char).

loc — Guard (vl-location-p loc).

Returns

echar — Type (vl-echar-p echar).

See make-vl-echar-fast for a faster alternative.

Definitions and Theorems

Function: vl-echar

(defun vl-echar (char loc)
  (declare (xargs :guard (and (characterp char)
                              (vl-location-p loc))))
  (let ((__function__ 'vl-echar))
    (declare (ignorable __function__))
    (b* (((vl-location loc) loc))
      (vl-echar-raw
           loc.filename
           (vl-echarpack (the (unsigned-byte 8) (char-code char))
                         loc.line loc.col)))))

Theorem: vl-echar-p-of-vl-echar

(defthm vl-echar-p-of-vl-echar
  (b* ((echar (vl-echar char loc)))
    (vl-echar-p echar))
  :rule-classes :rewrite)

Theorem: vl-echar-of-char-fix-char

(defthm vl-echar-of-char-fix-char
  (equal (vl-echar (char-fix char) loc)
         (vl-echar char loc)))

Theorem: vl-echar-chareqv-congruence-on-char

(defthm vl-echar-chareqv-congruence-on-char
  (implies (chareqv char char-equiv)
           (equal (vl-echar char loc)
                  (vl-echar char-equiv loc)))
  :rule-classes :congruence)

Theorem: vl-echar-of-vl-location-fix-loc

(defthm vl-echar-of-vl-location-fix-loc
  (equal (vl-echar char (vl-location-fix loc))
         (vl-echar char loc)))

Theorem: vl-echar-vl-location-equiv-congruence-on-loc

(defthm vl-echar-vl-location-equiv-congruence-on-loc
  (implies (vl-location-equiv loc loc-equiv)
           (equal (vl-echar char loc)
                  (vl-echar char loc-equiv)))
  :rule-classes :congruence)