/// <summary>
/// Sets the target value
/// </summary>
/// <returns>The target variable or signal.</returns>
/// <param name="self">The item to set the element on.</param>
/// <param name="target">The value to set</param>
public static void SetTarget(this ASTItem self, DataElement target)
{
if (self is IdentifierExpression)
{
((IdentifierExpression)self).Target = target;
}
else if (self is MemberReferenceExpression)
{
((MemberReferenceExpression)self).Target = target;
}
else if (self is WrappingExpression)
{
SetTarget(((WrappingExpression)self).Expression, target);
}
else if (self is Expression && self != ((Expression)self).GetUnwrapped())
{
SetTarget(((Expression)self).GetUnwrapped(), target);
}
else
{
throw new Exception($"Unable to set target on item of type {self.GetType().FullName}");
}
}
/// <summary>
/// Specialized helper constructor
/// </summary>
/// <param name="target">The member that is being referenced</param>
public MemberReferenceExpression(DataElement target)
{
this.Target = target;
this.SourceResultType = target.CecilType;
}
/// <summary>
/// Specialized helper constructor
/// </summary>
/// <param name="target">The item the identifier resolves to</param>
public IdentifierExpression(DataElement target)
{
this.Target = target;
this.SourceResultType = target.CecilType;
}
/// <summary>
/// Constructs a new variable
/// </summary>
/// <param name="name">The variable name.</param>
/// <param name="defaultValue">The default value</param>
/// <param name="arrayLengthSource">The item indicating the array length source, if this constant references an array length</param>
public Constant(string name, object defaultValue = null, DataElement arrayLengthSource = null)
{
this.Name = name;
this.DefaultValue = defaultValue;
this.ArrayLengthSource = arrayLengthSource;
}
/// <summary>
/// Sets the default value for a field
/// </summary>
/// <param name="network">The top-level network.</param>
/// <param name="proc">The process where the method is located.</param>
/// <param name="item">The data element to set the default value for.</param>
/// <param name="value">The value to set.</param>
/// <param name="is_static">A flag indicating if the variable default is statically defined.</param>
protected virtual void SetDataElementDefaultValue(NetworkState network, ProcessState proc, DataElement item, object value, bool is_static)
{
item.DefaultValue = value;
}
