Add support for multilength headers

Sources/Fault/Entries/jtag.swift

@@ -603,6 +603,7 @@ func jtagCreate(arguments: [String]) -> Int32 {
                     if !resetActiveLow.value { // default is ignored inputs are held high
                         print("・Ensure that ignored inputs in the simulation are held low. Pass --holdLow if reset is active high.")
                     }
+                    return EX_DATAERR
                 }
             }
         }

Sources/Fault/Entries/main.swift

@@ -448,7 +448,7 @@ func main(arguments: [String]) -> Int32 {
 
         let startTime = CFAbsoluteTimeGetCurrent()
 
-        var models = [cells] + Array(includeFiles)
+        let models = [cells] + Array(includeFiles)
 
         print("Performing simulations…")
         let result = try Simulator.simulate(

Sources/Fault/Module.swift

@@ -56,12 +56,19 @@ struct Port: Codable {
             var to = 0
             var name: String!
             if Bool(Python.hasattr(portDeclaration, "first"))! {
-                let type = "\(Python.type(portDeclaration[dynamicMember: "first"]).__name__)"
+                let declaration = portDeclaration[dynamicMember: "first"]
+                let type = "\(Python.type(declaration).__name__)"
                 if type == "Input" {
                     polarity = .input
                 } else {
                     polarity = .output
                 }
+                if declaration.width != Python.None {
+                    let msb = Port.evaluate(expr: declaration.width.msb, params: paramaters)
+                    let lsb = Port.evaluate(expr: declaration.width.lsb, params: paramaters)
+                    from = msb
+                    to = lsb
+                }
                 let firstChild = portDeclaration[dynamicMember: "first"]
                 name = "\(firstChild.name)"
             } else {