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• Parser

Vl-parse

Top level parsing function.

Signature

(vl-parse tokens pstate config) → (mv successp items pstate)

Arguments

tokens — Guard (vl-tokenlist-p tokens).

pstate — Guard (vl-parsestate-p pstate).

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

Returns

successp — Type (booleanp successp).

items — Type (vl-descriptionlist-p items), given the guard.

pstate — Type (vl-parsestate-p pstate).

Definitions and Theorems

Function: vl-parse

(defun vl-parse (tokens pstate config)
  (declare (xargs :guard (and (vl-tokenlist-p tokens)
                              (vl-parsestate-p pstate)
                              (vl-loadconfig-p config))))
  (let ((__function__ 'vl-parse))
    (declare (ignorable __function__))
    (b* (((local-stobjs tokstream)
          (mv okp val pstate tokstream))
         (tokstream (vl-tokstream-update-tokens tokens))
         (tokstream (vl-tokstream-update-pstate pstate))
         ((mv err val tokstream)
          (vl-parse-source-text))
         (pstate (vl-tokstream->pstate))
         ((when err)
          (vl-report-parse-error err tokens)
          (mv nil nil pstate tokstream)))
      (mv t val pstate tokstream))))

Theorem: booleanp-of-vl-parse.successp

(defthm booleanp-of-vl-parse.successp
  (b* (((mv ?successp ?items ?pstate)
        (vl-parse tokens pstate config)))
    (booleanp successp))
  :rule-classes :type-prescription)

Theorem: vl-descriptionlist-p-of-vl-parse.items

(defthm vl-descriptionlist-p-of-vl-parse.items
  (implies (and (force (vl-tokenlist-p tokens))
                (force (vl-parsestate-p pstate))
                (force (vl-loadconfig-p config)))
           (b* (((mv ?successp ?items ?pstate)
                 (vl-parse tokens pstate config)))
             (vl-descriptionlist-p items)))
  :rule-classes :rewrite)

Theorem: vl-parsestate-p-of-vl-parse.pstate

(defthm vl-parsestate-p-of-vl-parse.pstate
  (b* (((mv ?successp ?items ?pstate)
        (vl-parse tokens pstate config)))
    (vl-parsestate-p pstate))
  :rule-classes :rewrite)