/// <summary>
/// Returns true when <paramref name="statement"/> is a call to a function <paramref name="functionName"/>.
/// </summary>
public static bool IsFunctionCallDeclaration(this IStatement statement, string functionName)
{
Contract.Requires(statement != null);
// config statement is a special kind of statement declaration
if (statement.Kind != SyntaxKind.ExpressionStatement)
{
return(false);
}
var expressionStatement = statement.As <IExpressionStatement>();
if (expressionStatement.Expression.Kind != SyntaxKind.CallExpression)
{
return(false);
}
var callExpression = expressionStatement.Expression.Cast <ICallExpression>();
var identifier = callExpression?.Expression.As <IIdentifier>();
if (identifier == null)
{
return(false);
}
return(identifier.Text == functionName);
}
private static IDeclaration GetDeclaration(IStatement statement)
{
var declarationStatement = statement.As <IDeclarationStatement>();
if (declarationStatement != null)
{
return(declarationStatement);
}
var variableStatement = statement.As <IVariableStatement>();
if (variableStatement != null)
{
Assert.Equal(1, variableStatement.DeclarationList.Declarations.Count);
var declaration = variableStatement.DeclarationList.Declarations[0];
return(declaration);
}
Assert.True(false);
return(null);
}
