/// <summary>
/// Initializes a new instance of <see cref="ExceptionHandlingStatement" /> for the specified try, catch and finally blocks.
/// </summary>
/// <param name="tryBlock">The try block of the statement.</param>
/// <param name="catchVariable">The variable that contains the exception for the catch block.</param>
/// <param name="catchBlock">The catch block of the statement.</param>
/// <param name="finallyBlock">The finally block of the statement.</param>
public ExceptionHandlingStatement(CompoundStatement tryBlock, IdentifierExpression catchVariable, CompoundStatement catchBlock, CompoundStatement finallyBlock)
{
_tryBlock = tryBlock;
_catchVariable = catchVariable;
_catchBlock = catchBlock;
_finallyBlock = finallyBlock;
}
/// <summary>
/// Initializes a new instance of <see cref="ExceptionHandlingStatement" /> for the specified try, catch and finally blocks.
/// </summary>
/// <param name="tryBlock">The try block of the statement.</param>
/// <param name="catchVariable">The variable that contains the exception for the catch block.</param>
/// <param name="catchBlock">The catch block of the statement.</param>
/// <param name="finallyBlock">The finally block of the statement.</param>
public ExceptionHandlingStatement(CompoundStatement tryBlock, IdentifierExpression catchVariable, CompoundStatement catchBlock, CompoundStatement finallyBlock)
{
_tryBlock = tryBlock;
_catchVariable = catchVariable;
_catchBlock = catchBlock;
_finallyBlock = finallyBlock;
}
/// <summary>
/// Creates a new instance of <see cref="ExceptionHandlingStatement" /> by copying the <see cref="ExceptionHandlingStatement.TryBlock" />
/// and <see cref="ExceptionHandlingStatement.FinallyBlock" /> from the specified statement, and adding the specified expression and statements to the <see cref="ExceptionHandlingStatement.CatchBlock" />.
/// </summary>
/// <param name="statement">The statement from which to copy the <see cref="ExceptionHandlingStatement.TryBlock" /> and <see cref="ExceptionHandlingStatement.FinallyBlock" /> properties.</param>
/// <param name="expression">The expression to set in the Catch block.</param>
/// <param name="block">The block to use as the Catch block.</param>
/// <returns>a new instance of <see cref="ExceptionHandlingStatement" />.</returns>
public static ExceptionHandlingStatement Catch(this ExceptionHandlingStatement statement, IdentifierExpression expression, CompoundStatement block)
{
if (statement == null)
{
throw new ArgumentNullException("statement");
}
return new ExceptionHandlingStatement(statement.TryBlock, expression, block, statement.FinallyBlock);
}
/// <summary>
/// Initializes a new instance of <see cref="FunctionExpression" /> for the specified name, parameters and body.
/// </summary>
/// <param name="name">The name of the function, if not anonymous.</param>
/// <param name="parameters">The parameters that the function expects.</param>
/// <param name="body">The body of the function.</param>
public FunctionExpression(IdentifierExpression name, IEnumerable<IdentifierExpression> parameters, CompoundStatement body)
{
_name = name;
_body = body;
if (parameters != null)
{
_parameters.AddRange(parameters);
}
}
/// <summary>
/// Initializes a new instance of <see cref="FunctionExpression" /> for the specified name, parameters and body.
/// </summary>
/// <param name="name">The name of the function, if not anonymous.</param>
/// <param name="parameters">The parameters that the function expects.</param>
/// <param name="body">The body of the function.</param>
public FunctionExpression(IdentifierExpression name, IEnumerable <IdentifierExpression> parameters, CompoundStatement body)
{
_name = name;
_body = body;
if (parameters != null)
{
_parameters.AddRange(parameters);
}
}
/// <summary>
/// Returns either an instance of <see cref="CompoundStatement" /> containing the statements, the only statement, or an empty statement depending on the
/// number of statements specified.
/// </summary>
/// <param name="statements">A sequence of statements to conditionally wrap in a BlockStatement</param>
/// <returns>Either an instance of <see cref="CompoundStatement" />, a single statement or an EmptyStatement object.</returns>
/// <remarks>
/// The return type of this method depends on the number of inputs.
/// If the input is null or empty, an instance of <see cref="EmptyStatement" /> is returned.
/// If the input has one statement, that statement is returned.
/// If the input has more than one statement, a new instance of <see cref="CompoundStatement" /> containing those statements is returned.
/// </remarks>
public static Statement BlockOrStatement(IEnumerable <Statement> statements)
{
Statement result;
if (statements.Count() > 1)
{
result = new CompoundStatement(statements);
}
else if (statements.Count() > 0)
{
result = statements.First();
}
else
{
result = Empty();
}
return(result);
}
/// <summary>
/// Creates a new instance of <see cref="ExceptionHandlingStatement" /> by copying the <see cref="ExceptionHandlingStatement.TryBlock" />
/// and <see cref="ExceptionHandlingStatement.FinallyBlock" /> from the specified statement, and adding the specified expression and statements to the <see cref="ExceptionHandlingStatement.CatchBlock" />.
/// </summary>
/// <param name="statement">The statement from which to copy the <see cref="ExceptionHandlingStatement.TryBlock" /> and <see cref="ExceptionHandlingStatement.FinallyBlock" /> properties.</param>
/// <param name="expression">The expression to set in the Catch block.</param>
/// <param name="block">The block to use as the Catch block.</param>
/// <returns>a new instance of <see cref="ExceptionHandlingStatement" />.</returns>
public static ExceptionHandlingStatement Catch(this ExceptionHandlingStatement statement, IdentifierExpression expression, CompoundStatement block)
{
if (statement == null)
{
throw new ArgumentNullException("statement");
}
return(new ExceptionHandlingStatement(statement.TryBlock, expression, block, statement.FinallyBlock));
}
/// <summary>
/// Creates a new instance of <see cref="ExceptionHandlingStatement" /> by copying the <see cref="ExceptionHandlingStatement.TryBlock" />, <see cref="ExceptionHandlingStatement.CatchVariable" />
/// and <see cref="ExceptionHandlingStatement.CatchBlock" /> from the specified statement, and adding the specified statements to the <see cref="ExceptionHandlingStatement.FinallyBlock" />.
/// </summary>
/// <param name="statement">The statement from which to copy the <see cref="ExceptionHandlingStatement.TryBlock" /> and <see cref="ExceptionHandlingStatement.CatchBlock" /> properties.</param>
/// <param name="block">The block to use as the Catch block.</param>
/// <returns>a new instance of <see cref="ExceptionHandlingStatement" />.</returns>
public static ExceptionHandlingStatement Finally(this ExceptionHandlingStatement statement, CompoundStatement block)
{
if (statement == null)
{
throw new ArgumentNullException("statement");
}
return(new ExceptionHandlingStatement(statement.TryBlock, statement.CatchVariable, statement.CatchBlock, block));
}
/// <summary>
/// Creates a new instance of <see cref="ExceptionHandlingStatement" />.
/// </summary>
/// <param name="block">The instance of <see cref="CompoundStatement" /> to use for the try block.</param>
/// <returns>a new instance of <see cref="ExceptionHandlingStatement" />.</returns>
public static ExceptionHandlingStatement Try(CompoundStatement block)
{
return new ExceptionHandlingStatement(block, null, null, null);
}
/// <summary>
/// Returns either an instance of <see cref="CompoundStatement" /> containing the statements, the only statement, or an empty statement depending on the
/// number of statements specified.
/// </summary>
/// <param name="statements">A sequence of statements to conditionally wrap in a BlockStatement</param>
/// <returns>Either an instance of <see cref="CompoundStatement" />, a single statement or an EmptyStatement object.</returns>
/// <remarks>
/// The return type of this method depends on the number of inputs.
/// If the input is null or empty, an instance of <see cref="EmptyStatement" /> is returned.
/// If the input has one statement, that statement is returned.
/// If the input has more than one statement, a new instance of <see cref="CompoundStatement" /> containing those statements is returned.
/// </remarks>
public static Statement BlockOrStatement(IEnumerable<Statement> statements)
{
Statement result;
if (statements.Count() > 1)
{
result = new CompoundStatement(statements);
}
else if (statements.Count() > 0)
{
result = statements.First();
}
else
{
result = Empty();
}
return result;
}
/// <summary>
/// Creates a new instance of <see cref="ExceptionHandlingStatement" />.
/// </summary>
/// <param name="block">The instance of <see cref="CompoundStatement" /> to use for the try block.</param>
/// <returns>a new instance of <see cref="ExceptionHandlingStatement" />.</returns>
public static ExceptionHandlingStatement Try(CompoundStatement block)
{
return(new ExceptionHandlingStatement(block, null, null, null));
}
/// <summary>
/// Creates a new instance of <see cref="ExceptionHandlingStatement" /> by copying the <see cref="ExceptionHandlingStatement.TryBlock" />, <see cref="ExceptionHandlingStatement.CatchVariable" />
/// and <see cref="ExceptionHandlingStatement.CatchBlock" /> from the specified statement, and adding the specified statements to the <see cref="ExceptionHandlingStatement.FinallyBlock" />.
/// </summary>
/// <param name="statement">The statement from which to copy the <see cref="ExceptionHandlingStatement.TryBlock" /> and <see cref="ExceptionHandlingStatement.CatchBlock" /> properties.</param>
/// <param name="block">The block to use as the Catch block.</param>
/// <returns>a new instance of <see cref="ExceptionHandlingStatement" />.</returns>
public static ExceptionHandlingStatement Finally(this ExceptionHandlingStatement statement, CompoundStatement block)
{
if (statement == null)
{
throw new ArgumentNullException("statement");
}
return new ExceptionHandlingStatement(statement.TryBlock, statement.CatchVariable, statement.CatchBlock, block);
}
