private static string GetFixName(MalformedContractError error)
{
if (error == MalformedContractError.DuplicatedEndContractBlock)
{
return("Remove redundant EndContractBlock");
}
if (error == MalformedContractError.ContractStatementInTheMiddleOfTheMethod)
{
return("Remove redundant Contract.Ensures");
}
return("Remove redundant contact statement");
}
public static string GetErrorText(this MalformedContractError error, string contractMethodName)
{
switch (error)
{
case MalformedContractError.VoidReturnMethodCall:
// Code Contract error: error CC1027: Malformed contract.
return(string.Format("Malformed contract. Detected expression statement evaluated for side-effect in contracts of method '{0}'",
contractMethodName));
case MalformedContractError.AssertOrAssumeInContractBlock:
// Code Contract error: error CC1016: Contract.Assert/Contract.Assume cannot be used in contract section. Use only Requires and Ensures.
return(string.Format("Contract.Assert/Contract.Assume cannot be used in contract section of method '{0}'. Use only Requires and Ensures",
contractMethodName));
case MalformedContractError.AssignmentInContractBlock:
// Code Contract error: error CC1004: Malformed contract. Found Requires after assignment in method 'CodeContractInvestigations.InconsistentPreconditionVisibility.AssignmentBeforeRequires'.
return(string.Format("Malformed contract. Assignment cannot be used in contract section of method '{0}'",
contractMethodName));
case MalformedContractError.RequiresAfterEnsures:
// error CC1014: Precondition found after postcondition.
return(string.Format("Malformed contract. Precondition found after postcondition in contract section of method '{0}'",
contractMethodName));
case MalformedContractError.ReqruiesOrEnsuresAfterEndContractBlock:
// error CC1012: Contract call found after prior EndContractBlock.
return(string.Format("Malformed contract. Contract call found after prior EndContractBlock in method '{0}'",
contractMethodName));
case MalformedContractError.DuplicatedEndContractBlock:
//error CC1012: Contract call found after prior EndContractBlock.
return(string.Format("Malformed contract. Duplicated call of EndContractBlock in method '{0}'",
contractMethodName));
case MalformedContractError.MethodContractInTryBlock:
// error CC1024: Contract section within try block.
return(string.Format("Malformed contract. Contract section within try block in method '{0}'",
contractMethodName));
case MalformedContractError.ContractStatementInTheMiddleOfTheMethod:
// error CC1017: Malformed contract section in method 'MalformedContractErrors.ContractInTheMiddleOfTheMethod(System.String)'
return(string.Format("Contract statements in the middle of the method '{0}'",
contractMethodName));
default:
Contract.Assert(false, "Unknown malformed contract error: " + error);
throw new InvalidOperationException("Unknown malformed contract error: " + error);
}
}
private static string GetFixName(MalformedContractError error)
{
if (error == MalformedContractError.DuplicatedEndContractBlock)
return "Remove redundant EndContractBlock";
if (error == MalformedContractError.ContractStatementInTheMiddleOfTheMethod)
return "Remove redundant Contract.Ensures";
return "Remove redundant contact statement";
}
public CodeContractErrorValidationResult(ICSharpStatement statement, MalformedContractError error, string message)
: base(statement)
{
_message = message;
Error = error;
}
public static ValidationResult CreateError(ICSharpStatement statement, MalformedContractError error, string message = null)
{
return(new CodeContractErrorValidationResult(statement, error, message));
}
