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      • Validator
      • Valid-exprs/decls/stmts

      Valid-declon

      Validate a declaration.

      Signature
      (valid-declon declon table ienv) 
        → 
      (mv erp new-declon return-types new-table)
      Arguments
      declon — Guard (declonp declon).
      table — Guard (valid-tablep table).
      ienv — Guard (ienvp ienv).
      Returns
      erp — Type (maybe-msgp erp).
      new-declon — Type (declonp new-declon).
      return-types — Type (type-setp return-types).
      new-table — Type (valid-tablep new-table).

      If it is a static assertion declaration, we validate it using a separate validation function. Otherwise, we first validate the declaration specifiers and then the list of initializer declarators, passing information from the former to the latter. We ensure that the list of initializer declarators is not empty (i.e. there is at least a declarator), or the declaration specifiers declare a tag, as required in [C17:6.7/2]. We ignore the GCC extension for now.