void CheckAttribute(FileDiagnostics diagnostics, Token attribute, MethodAttributeType type)
{
if (attribute == null)
{
return;
}
var newAttribute = new MethodAttributeContext(attribute, type);
// If the attribute already exists, syntax error.
bool wasCopy = false;
for (int c = 0; c < ObtainedAttributes.Count; c++)
{
if (ObtainedAttributes[c].Type == newAttribute.Type)
{
newAttribute.Copy(diagnostics);
wasCopy = true;
break;
}
}
// Add the attribute.
ObtainedAttributes.Add(newAttribute);
// Additonal syntax errors. Only throw if the attribute is not a copy.
if (!wasCopy)
{
ValidateAttribute(diagnostics, newAttribute);
ApplyAttribute(newAttribute);
}
}
public void GetAttributes(FileDiagnostics diagnostics)
{
// Get the name of the rule the method will be stored in.
string subroutineName = GetSubroutineName();
if (subroutineName != null)
{
ResultAppender.SetSubroutine(subroutineName);
}
// context will be null if there are no attributes.
var context = GetAttributeContext();
if (context == null)
{
return;
}
// Initialize the ObtainedAttributes array.
int numberOfAttributes = context.Length;
ObtainedAttributes = new MethodAttributeContext[numberOfAttributes];
// Loop through all attributes.
for (int i = 0; i < numberOfAttributes; i++)
{
var newAttribute = new MethodAttributeContext(context[i]);
ObtainedAttributes[i] = newAttribute;
// If the attribute already exists, syntax error.
bool wasCopy = false;
for (int c = i - 1; c >= 0; c--)
{
if (ObtainedAttributes[c].Type == newAttribute.Type)
{
newAttribute.Copy(diagnostics);
wasCopy = true;
break;
}
}
// Additonal syntax errors. Only throw if the attribute is not a copy.
if (!wasCopy)
{
ValidateAttribute(diagnostics, newAttribute);
ApplyAttribute(newAttribute);
}
}
}