Formal Specification Based Automatic Test Generation for Embedded Network Systems

Pseudocode 5

BNF for main class declaration.

main-class-file-declaration:: = import-declaration main-class-declaration

import-declaration:: = “Import” (‘”’file-name‘”’ “,”)+ “;”

main-class-declaration:: = “Class main”

     (constant-declaration ∣ data-declaration∣ env-instance-declaration

     ∣ channel-declaration ∣ timer-declaration)+

     (invariant-declaration)?

env-instance-declaration:: = “Var” (env-variable-declaration ∣ instance-declaration)+

env-variable-declaration:: =

  env-variable-name “:” type-name (“{” value “}”)?  (test-declaration)? “;”

  ∣ env-variable-name “[” number “..” number “]” “:” type-name (“{“value (“,” value)* “}”)? (test-declaration)? “;”

  ∣ env-variable-name “:” (“int” ∣ “double”)

      (“[“min-value “,” max-value “]”)? (“{”value“}”)? (test-declaration)? “;”

  ∣ env-variable-name “[“number “..” number“]” “:” (“int” ∣ “double”)

     (“[”min-value “,” max-value “]”)? (“{”value (“,” value)* “}”)? (test-declaration)? “;”

instance-declaration::=

  object-name “:” class-name (“(” parameter-value (“,” parameter-value)* “)”)? “;”

  ∣ object-name “[” number “..” number “]” “:” class-name

    (“{” “(”value (“,” value)* “)” (“,” “(” value (“,” value)* “)”)* “}”)? “;”

invariant-declaration::= “Inv” (expr “;”)+