introspection.attribute source code

1 module introspection.attribute;
2 
3 import std.traits;
4 import introspection.type;
5 
6 /// Stores information about attributes
7 struct Attribute {
8   ///
9   string name;
10 
11   ///
12   Type type;
13 }
14 
15 /// Returns the list of attributes associated with T
16 Attribute[] describeAttributes(alias T)() if(is(typeof(T)) && !is(typeof(T) == string)) {
17   return describeAttributeList!(__traits(getAttributes, T));
18 }
19 
20 /// Returns the list of attributes associated with T
21 Attribute[] describeAttributeList(T...)() {
22   Attribute[] list;
23 
24   static foreach(attr; T) {
25     static if(isCallable!(attr)) {
26       list ~= Attribute(__traits(identifier, attr), describeType!(typeof(attr)));
27     } else static if(isType!(attr)) {
28       list ~= Attribute(attr.stringof, describeType!(attr));
29     } else static if(__traits(compiles, attr.stringof)) {
30       list ~= Attribute(attr.stringof, describeType!(typeof(attr)));
31     }
32   }
33 
34   return list;
35 }