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• Parse-expressions

Vl-parse-expression-top

Signature

(vl-parse-expression-top &key (tokens 'tokens) 
                         (pstate 'pstate) 
                         (config 'config)) 
 
  → 
(mv erp result tokens pstate)

Arguments

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

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

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

Returns

result — Type (implies (and (not erp) t) (vl-expr-p result)).

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

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

Definitions and Theorems

Function: vl-parse-expression-top-fn

(defun vl-parse-expression-top-fn (tokens pstate config)
  (declare (xargs :guard (and (vl-tokenlist-p tokens)
                              (vl-parsestate-p pstate)
                              (vl-loadconfig-p config))))
  (declare (xargs :guard t))
  (let ((__function__ 'vl-parse-expression-top))
    (declare (ignorable __function__))
    (b* (((local-stobjs tokstream)
          (mv erp result tokens pstate tokstream))
         (tokstream (vl-tokstream-update-tokens tokens))
         (tokstream (vl-tokstream-update-pstate pstate))
         ((mv erp result tokstream)
          (vl-parse-expression)))
      (mv erp result (vl-tokstream->tokens)
          (vl-tokstream->pstate)
          tokstream))))

Theorem: return-type-of-vl-parse-expression-top.result

(defthm return-type-of-vl-parse-expression-top.result
  (b* (((mv ?erp ?result ?tokens ?pstate)
        (vl-parse-expression-top-fn tokens pstate config)))
    (implies (and (not erp) t)
             (vl-expr-p result)))
  :rule-classes :rewrite)

Theorem: vl-tokenlist-p-of-vl-parse-expression-top.tokens

(defthm vl-tokenlist-p-of-vl-parse-expression-top.tokens
  (b* (((mv ?erp ?result ?tokens ?pstate)
        (vl-parse-expression-top-fn tokens pstate config)))
    (vl-tokenlist-p tokens))
  :rule-classes :rewrite)

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

(defthm vl-parsestate-p-of-vl-parse-expression-top.pstate
  (b* (((mv ?erp ?result ?tokens ?pstate)
        (vl-parse-expression-top-fn tokens pstate config)))
    (vl-parsestate-p pstate))
  :rule-classes :rewrite)