Make Formatter Happy

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>

Sources/Common/DataTypes.swift

@@ -304,7 +304,8 @@ public class P4StructValue: P4DataValue {
   }
 
   public init(withType type: P4Struct, andInitializers initializers: [P4Value?]) {
-    let values: [P4Value?] = zip(0..<type.fields.count(), type.fields.fields).map { (index, field) in
+    let values: [P4Value?] = zip(0..<type.fields.count(), type.fields.fields).map {
+      (index, field) in
       // If there is an initializer for the field, then use it.
       if index < initializers.count, let initializer = initializers[index] {
         initializer

Sources/Common/Result.swift

@@ -81,7 +81,7 @@ public struct Errors: Errorable, CustomStringConvertible {
   }
 
   public var description: String {
-    return self.errors.map() { error in
+    return self.errors.map { error in
       return error.msg()
     }.joined(separator: ";")
   }

Sources/Common/Support.swift

@@ -89,7 +89,9 @@ public func Map<T, U>(input: T, block: (T) -> U) -> U {
 
 @freestanding(expression) public macro RequireOkResult<T>(_: Result<T>) -> Bool =
   #externalMacro(module: "Macros", type: "RequireResult")
-@freestanding(expression) public macro RequireErrorResult<T>(_: any Errorable, _: Result<T>) -> Bool =
+@freestanding(expression) public macro RequireErrorResult<T>(
+  _: any Errorable, _: Result<T>
+) -> Bool =
   #externalMacro(module: "Macros", type: "RequireErrorResult")
 @freestanding(expression) public macro UseOkResult<T>(_: Result<T>) -> T =
   #externalMacro(module: "Macros", type: "UseOkResult")

Sources/P4Compiler/Common.swift

@@ -102,7 +102,8 @@ extension ParameterList: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(ParameterList, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing '(' in parameter list component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing '(' in parameter list component")))
 
     walker.next()
     #MustOr(
@@ -132,7 +133,8 @@ extension Direction: Compilable {
     guard let parsed_direction = directions[direction_node.text!] else {
       return .Error(
         ErrorWithLocation(
-          sourceLocation: direction_node.toSourceLocation(), withError: "\(direction_node.text!) is not a valid direction"))
+          sourceLocation: direction_node.toSourceLocation(),
+          withError: "\(direction_node.text!) is not a valid direction"))
     }
 
     return .Ok((parsed_direction, context))
@@ -155,7 +157,8 @@ extension Parameter: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(Parameter, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing parameter declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing parameter declaration component")))
 
     // Annotation?
     if current_node!.nodeType == "annotations" {
@@ -170,7 +173,8 @@ extension Parameter: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(Parameter, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing parameter declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing parameter declaration component")))
 
     var direction: Direction? = .none
     // Direction?
@@ -189,12 +193,14 @@ extension Parameter: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(Parameter, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing parameter declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing parameter declaration component")))
 
     if current_node!.nodeType != "typeRef" {
       return Result.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Did not find type name for parameter declaration"))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Did not find type name for parameter declaration"))
     }
 
     guard
@@ -209,12 +215,14 @@ extension Parameter: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(Parameter, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing parameter declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing parameter declaration component")))
 
     if current_node!.nodeType != "identifier" {
       return Result.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Did not find identifier for parameter statement"))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Did not find identifier for parameter statement"))
     }
 
     guard
@@ -318,7 +326,8 @@ extension ArgumentList: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(ArgumentList, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing '(' in argument list component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing '(' in argument list component")))
 
     walker.next()
 

Sources/P4Compiler/Declarations.swift

@@ -61,7 +61,8 @@ extension FunctionDeclaration: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: function_declaration_node.toSourceLocation(), withError: "Missing function declaration component")))
+          sourceLocation: function_declaration_node.toSourceLocation(),
+          withError: "Missing function declaration component")))
 
     let maybe_function_type = Types.CompileType(type: current_node!, withContext: context)
     guard case .Ok(let function_type) = maybe_function_type else {
@@ -73,7 +74,8 @@ extension FunctionDeclaration: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: function_declaration_node.toSourceLocation(), withError: "Missing function declaration component")))
+          sourceLocation: function_declaration_node.toSourceLocation(),
+          withError: "Missing function declaration component")))
 
     let maybe_function_name = Identifier.Compile(node: current_node!, withContext: context)
     guard case .Ok(let function_name) = maybe_function_name else {
@@ -85,7 +87,8 @@ extension FunctionDeclaration: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: function_declaration_node.toSourceLocation(), withError: "Missing function declaration component")))
+          sourceLocation: function_declaration_node.toSourceLocation(),
+          withError: "Missing function declaration component")))
 
     let maybe_function_parameters = ParameterList.Compile(node: current_node!, withContext: context)
     guard case .Ok((let function_parameters, let updated_context)) = maybe_function_parameters
@@ -121,7 +124,8 @@ extension FunctionDeclaration: CompilableDeclaration {
       if !context.extern_context {
         return Result.Error(
           ErrorWithLocation(
-            sourceLocation: function_declaration_node.toSourceLocation(), withError: "Missing function declaration component"))
+            sourceLocation: function_declaration_node.toSourceLocation(),
+            withError: "Missing function declaration component"))
       }
     }
 
@@ -166,7 +170,8 @@ extension P4Struct: CompilableDeclaration {
       result: currentNode, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: struct_declaration_node.toSourceLocation(), withError: "Missing function declaration component")))
+          sourceLocation: struct_declaration_node.toSourceLocation(),
+          withError: "Missing function declaration component")))
 
     // The name of the struct type.
     let maybe_struct_identifier = Identifier.Compile(
@@ -182,14 +187,16 @@ extension P4Struct: CompilableDeclaration {
       result: currentNode, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: struct_declaration_node.toSourceLocation(), withError: "Missing function declaration component")))
+          sourceLocation: struct_declaration_node.toSourceLocation(),
+          withError: "Missing function declaration component")))
 
     // If there are no fields, it will be a "}"
     if currentNode!.nodeType == "}" {
       let struc = Declaration(
         TypedIdentifier(
           id: struct_identifier,
-          withType: P4QualifiedType(P4Struct(withName: struct_identifier, andFields: P4StructFields([])))))
+          withType: P4QualifiedType(
+            P4Struct(withName: struct_identifier, andFields: P4StructFields([])))))
       return Result.Ok(
         (
           struc,
@@ -265,11 +272,14 @@ extension P4Lang.Parser: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: parser_node.toSourceLocation(), withError: "Missing elements of parser declaration")))
+          sourceLocation: parser_node.toSourceLocation(),
+          withError: "Missing elements of parser declaration")))
 
     if current_node!.nodeType != "parserType" {
       return .Error(
-        ErrorWithLocation(sourceLocation: current_node!.toSourceLocation(), withError: "Missing type for parser declaration"))
+        ErrorWithLocation(
+          sourceLocation: current_node!.toSourceLocation(),
+          withError: "Missing type for parser declaration"))
     }
 
     let type_node = current_node
@@ -286,12 +296,14 @@ extension P4Lang.Parser: CompilableDeclaration {
         result: type_node_child, thing: type_node_walker.getNext(),
         or: Result<(Declaration, CompilerContext)?>.Error(
           ErrorWithLocation(
-            sourceLocation: parser_node.toSourceLocation(), withError: "Missing elements of parser type in parser declaration")))
+            sourceLocation: parser_node.toSourceLocation(),
+            withError: "Missing elements of parser type in parser declaration")))
 
       if type_node_child!.nodeType == "annotations" {
         return .Error(
           ErrorWithLocation(
-            sourceLocation: type_node_child!.toSourceLocation(), withError: "Annotations in parser type are not yet handled."))
+            sourceLocation: type_node_child!.toSourceLocation(),
+            withError: "Annotations in parser type are not yet handled."))
         // Will increment indexes here.
       }
 
@@ -300,7 +312,8 @@ extension P4Lang.Parser: CompilableDeclaration {
         result: type_node_child, thing: type_node_walker.getNext(),
         or: Result<(Declaration, CompilerContext)?>.Error(
           ErrorWithLocation(
-            sourceLocation: type_node_child!.toSourceLocation(), withError: "Missing name in parser type declaration")))
+            sourceLocation: type_node_child!.toSourceLocation(),
+            withError: "Missing name in parser type declaration")))
 
       switch Identifier.Compile(node: type_node_child!, withContext: current_context) {
       case .Ok(let id): parser_name = id
@@ -313,7 +326,8 @@ extension P4Lang.Parser: CompilableDeclaration {
         result: type_node_child, thing: type_node_walker.getNext(),
         or: Result<(Declaration, CompilerContext)?>.Error(
           ErrorWithLocation(
-            sourceLocation: type_node_child!.toSourceLocation(), withError: "Missing parser parameters")))
+            sourceLocation: type_node_child!.toSourceLocation(),
+            withError: "Missing parser parameters")))
 
       switch ParameterList.Compile(node: type_node_child!, withContext: current_context) {
       case .Ok(let (parsed_parameter_list, updated_context)):
@@ -336,18 +350,22 @@ extension P4Lang.Parser: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: parser_node.toSourceLocation(), withError: "Missing parser declaration component")))
+          sourceLocation: parser_node.toSourceLocation(),
+          withError: "Missing parser declaration component")))
 
     walker.next()
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: parser_node.toSourceLocation(), withError: "Missing elements of parser declaration")))
+          sourceLocation: parser_node.toSourceLocation(),
+          withError: "Missing elements of parser declaration")))
 
     if current_node!.nodeType == "parserLocalElements" {
       return .Error(
-        ErrorWithLocation(sourceLocation: current_node!.toSourceLocation(), withError: "Parser Local Elements are not yet handled."))
+        ErrorWithLocation(
+          sourceLocation: current_node!.toSourceLocation(),
+          withError: "Parser Local Elements are not yet handled."))
       // Will increment indexes here.
     }
 
@@ -355,7 +373,8 @@ extension P4Lang.Parser: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: parser_node.toSourceLocation(), withError: "Missing body of parser declaration")))
+          sourceLocation: parser_node.toSourceLocation(),
+          withError: "Missing body of parser declaration")))
 
     if current_node!.nodeType != "parserStates" {
       return .Error(Error(withMessage: "Missing parser states in parser declaration"))
@@ -400,7 +419,8 @@ extension Control: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing control declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing control declaration component")))
 
     guard
       case .Ok(let control_name) = Identifier.Compile(
@@ -415,7 +435,8 @@ extension Control: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing control declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing control declaration component")))
 
     let maybe_control_parameters = ParameterList.Compile(
       node: current_node!, withContext: local_context)
@@ -440,7 +461,8 @@ extension Control: CompilableDeclaration {
       result: current_node, thing: walker.getNext(),
       or: Result<(Declaration, CompilerContext)?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing control declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing control declaration component")))
 
     var actions: [Action] = Array()
     var tables: [Table] = Array()
@@ -490,7 +512,9 @@ extension Control: CompilableDeclaration {
         // But, that is handled by the compiler.
       } else {
         return .Error(
-          ErrorWithLocation(sourceLocation: current_node.toSourceLocation(), withError: "Uknown node type in control declaration"))
+          ErrorWithLocation(
+            sourceLocation: current_node.toSourceLocation(),
+            withError: "Uknown node type in control declaration"))
       }
       return .Ok(())
     }
@@ -506,13 +530,17 @@ extension Control: CompilableDeclaration {
       /// IDEA: Add a "compilation context" for the error message into the `CompilationContext`
       // that can be retrieved to make the error messages nicer.
       return .Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "More than one table in control declaration"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "More than one table in control declaration"))
     }
 
     // Check to make sure that there is an apply.
     guard let apply = apply else {
       return .Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Missing apply in control declaration"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Missing apply in control declaration"
+        ))
     }
 
     let declared_control =
@@ -556,7 +584,9 @@ extension Action: Compilable {
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.Action, CompilerContext)>.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Missing action declaration component"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Missing action declaration component"
+        ))
     )
 
     guard
@@ -571,7 +601,9 @@ extension Action: Compilable {
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.Action, CompilerContext)>.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Missing action declaration component"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Missing action declaration component"
+        ))
     )
 
     let maybe_action_parameters = ParameterList.Compile(
@@ -586,7 +618,9 @@ extension Action: Compilable {
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.Action, CompilerContext)>.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Missing action declaration component"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Missing action declaration component"
+        ))
     )
 
     // Add the parameters into scope.
@@ -633,7 +667,8 @@ extension TableKeyEntry: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.TableKeyEntry, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing table key entry declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing table key entry declaration component")))
 
     let maybe_keyset_expression = KeysetExpression.compile(
       node: current_node!, withContext: current_context)
@@ -648,7 +683,8 @@ extension TableKeyEntry: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.TableKeyEntry, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing table key entry declaration component")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing table key entry declaration component")))
 
     let maybe_match_type = TableKeyMatchType.Compile(
       node: current_node!, withContext: current_context)
@@ -671,7 +707,10 @@ extension TableKeyMatchType: Compilable {
     if node.text! == "exact" {
       return .Ok((TableKeyMatchType.Exact, context))
     }
-    return .Error(ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "\(node.text!) is not a valid match type)"))
+    return .Error(
+      ErrorWithLocation(
+        sourceLocation: node.toSourceLocation(),
+        withError: "\(node.text!) is not a valid match type)"))
   }
 }
 
@@ -697,7 +736,8 @@ extension TableKeys: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.TableKeys, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing table keys declaration component in control declaration"))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing table keys declaration component in control declaration"))
     )
 
     let (keys, errors) = walker.try_map(n: node.childCount - 1, onlyNamed: true) { current_node in
@@ -757,7 +797,9 @@ extension TableActionsProperty: Compilable {
             return .Ok(TypedIdentifier(id: listed_action, withType: P4QualifiedType(maybe_action)))
           }
           return .Error(
-            ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "\(listed_action) does not name an action"))
+            ErrorWithLocation(
+              sourceLocation: node.toSourceLocation(),
+              withError: "\(listed_action) does not name an action"))
         case .Error(let e): return .Error(e)
         }
       case .Error(let e): return .Error(e)
@@ -809,7 +851,9 @@ extension TablePropertyList: Compilable {
         }
       } else {
         errors.append(
-          ErrorWithLocation(sourceLocation: child.toSourceLocation(), withError: "Uknown node type in control declaration"))
+          ErrorWithLocation(
+            sourceLocation: child.toSourceLocation(),
+            withError: "Uknown node type in control declaration"))
       }
     }
 
@@ -827,14 +871,18 @@ extension TablePropertyList: Compilable {
     if keys.count > 1 {
       // Todo: Make this error message better.
       return .Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "More than one key set in table property list"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "More than one key set in table property list"))
     }
 
     // There should be only one table actions!
     if actions.count > 1 {
       // Todo: Make this error message better.
       return .Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "More than one actions in table property list"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "More than one actions in table property list"))
     }
     if actions.isEmpty {
       actions.append(TableActionsProperty())
@@ -866,7 +914,8 @@ extension Table: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.Table, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing table declaration component")))
+          sourceLocation: node.toSourceLocation(), withError: "Missing table declaration component")
+      ))
 
     guard
       case .Ok(let table_name) = Identifier.Compile(
@@ -883,7 +932,8 @@ extension Table: Compilable {
       result: current_node, thing: walker.getNext(),
       or: Result<(P4Lang.Table, CompilerContext)>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing table declaration component")))
+          sourceLocation: node.toSourceLocation(), withError: "Missing table declaration component")
+      ))
 
     let maybe_table_property_list = TablePropertyList.Compile(
       node: current_node!, withContext: current_context)

Sources/P4Compiler/Expression.swift

@@ -46,7 +46,9 @@ extension TypedIdentifier: CompilableExpression {
       case Result.Ok(let type) = context.instances.lookup(
         identifier: Common.Identifier(name: node.text!))
     else {
-      return .Error(ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Cannot find \(node.text!) in scope"))
+      return .Error(
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Cannot find \(node.text!) in scope"))
     }
 
     return .Ok(TypedIdentifier(name: node.text!, withType: type))
@@ -88,7 +90,9 @@ extension P4BooleanValue: CompilableExpression {
     }
 
     return .Error(
-      ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Failed to parse boolean literal: \(node.text!)"))
+      ErrorWithLocation(
+        sourceLocation: node.toSourceLocation(),
+        withError: "Failed to parse boolean literal: \(node.text!)"))
   }
 }
 
@@ -101,7 +105,10 @@ extension P4IntValue: CompilableExpression {
     if let parsed_int = Int(node.text!) {
       return .Ok(P4Value(P4IntValue(withValue: parsed_int)))
     } else {
-      return .Error(ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Failed to parse integer: \(node.text!)"))
+      return .Error(
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "Failed to parse integer: \(node.text!)"))
     }
   }
 }
@@ -237,13 +244,18 @@ extension SelectExpression: CompilableExpression {
     guard let selector_node = node.child(at: 2),
       selector_node.nodeType == "expression"
     else {
-      return .Error(ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Could not find selector expression"))
+      return .Error(
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Could not find selector expression"))
     }
 
     guard let select_body_node = node.child(at: 5),
       select_body_node.nodeType == "selectBody"
     else {
-      return .Error(ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Could not find select expression body"))
+      return .Error(
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "Could not find select expression body"))
     }
 
     let maybe_selector = Expression.Compile(node: selector_node, withContext: context)
@@ -264,7 +276,9 @@ extension SelectExpression: CompilableExpression {
         node: current_node, withContext: context.update(newExpectation: selector.type()))
       switch maybe_parsed_cse {
       case .Ok(let parsed_cse): sces.append(parsed_cse as! SelectCaseExpression)
-        case .Error(let e): sces_errors = if let sces_errors = sces_errors {
+      case .Error(let e):
+        sces_errors =
+          if let sces_errors = sces_errors {
             sces_errors.append(error: Error(withMessage: "\(maybe_parsed_cse.error()!)"))
           } else {
             e
@@ -310,13 +324,17 @@ extension SelectCaseExpression: CompilableExpression {
 
     guard let maybe_keysetexpression = maybe_keysetexpression else {
       return Result.Error(
-        ErrorWithLocation(sourceLocation: keysetexpression_node.toSourceLocation(), withError: "Missing expected keyset expression"))
+        ErrorWithLocation(
+          sourceLocation: keysetexpression_node.toSourceLocation(),
+          withError: "Missing expected keyset expression"))
     }
 
     let keysetexpression = maybe_keysetexpression as! KeysetExpression
 
     if case .Error(let e) = keysetexpression.compatible(type: context.expected_type!) {
-      return .Error(ErrorWithLocation(sourceLocation: keysetexpression_node.toSourceLocation(), withError: e.msg()))
+      return .Error(
+        ErrorWithLocation(
+          sourceLocation: keysetexpression_node.toSourceLocation(), withError: e.msg()))
     }
 
     let maybe_parsed_targetstate = Identifier.Compile(
@@ -349,7 +367,8 @@ extension BinaryOperatorExpression: CompilableExpression {
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Malformed binary operator expression")))
+          sourceLocation: node.toSourceLocation(), withError: "Malformed binary operator expression"
+        )))
 
     /// TODO: This macro cannot handle new lines in the arrays
     // swift-format-ignore
@@ -361,7 +380,8 @@ extension BinaryOperatorExpression: CompilableExpression {
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing LHS for binary operator expression")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing LHS for binary operator expression")))
 
     let left_hand_side_raw = current_node!
 
@@ -370,14 +390,16 @@ extension BinaryOperatorExpression: CompilableExpression {
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing binary operator for binary operator expression")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing binary operator for binary operator expression")))
 
     walker.next()
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing RHS for binary operator expression")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing RHS for binary operator expression")))
 
     let right_hand_side_raw = current_node!
 
@@ -391,7 +413,8 @@ extension BinaryOperatorExpression: CompilableExpression {
       return Result.Error(maybe_right_hand_side.error()!)
     }
 
-    let evaluators: [String: (String, P4QualifiedType, BinaryOperatorChecker?, BinaryOperatorEvaluator)] = [
+    let evaluators:
+      [String: (String, P4QualifiedType, BinaryOperatorChecker?, BinaryOperatorEvaluator)] = [
         "binaryEqualOperatorExpression": (
           "Binary Equal", P4QualifiedType(P4Boolean()), Optional<BinaryOperatorChecker>.none,
           binary_equal_operator_evaluator
@@ -401,7 +424,8 @@ extension BinaryOperatorExpression: CompilableExpression {
           binary_lt_operator_evaluator
         ),
         "binaryLessThanEqualOperatorExpression": (
-        "Binary Less Than Or Equal", P4QualifiedType(P4Boolean()), Optional<BinaryOperatorChecker>.none,
+          "Binary Less Than Or Equal", P4QualifiedType(P4Boolean()),
+          Optional<BinaryOperatorChecker>.none,
           binary_lte_operator_evaluator
         ),
         "binaryGreaterThanOperatorExpression": (
@@ -409,7 +433,8 @@ extension BinaryOperatorExpression: CompilableExpression {
           binary_gt_operator_evaluator
         ),
         "binaryGreaterThanEqualOperatorExpression": (
-        "Binary Greater Than Or Equal", P4QualifiedType(P4Boolean()), Optional<BinaryOperatorChecker>.none,
+          "Binary Greater Than Or Equal", P4QualifiedType(P4Boolean()),
+          Optional<BinaryOperatorChecker>.none,
           binary_gte_operator_evaluator
         ),
         "binaryAndOperatorExpression": (
@@ -486,7 +511,8 @@ extension ArrayAccessExpression: CompilableExpression {
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing [ for array access expression")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing [ for array access expression")))
 
     walker.next()
 
@@ -494,7 +520,8 @@ extension ArrayAccessExpression: CompilableExpression {
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing indexor expression for array access expression")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing indexor expression for array access expression")))
 
     #RequireNodeType<Node, EvaluatableExpression?>(
       node: current_node!, type: "expression",
@@ -559,14 +586,16 @@ extension FieldAccessExpression: CompilableExpression {
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing . for field access expression")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing . for field access expression")))
 
     walker.next()
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<EvaluatableExpression?>.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Missing field name for field access expression")))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing field name for field access expression")))
 
     #RequireNodeType<Node, EvaluatableExpression?>(
       node: current_node!, type: "identifier",
@@ -679,7 +708,9 @@ extension FunctionCall: CompilableExpression {
           Result<(FunctionDeclaration?, Declaration?)>.Ok((callee, .none))  // What we found is actually a function declaration
         default:
           Result<(FunctionDeclaration?, Declaration?)>.Error(
-            ErrorWithLocation(sourceLocation: current_node!.toSourceLocation(), withError: "\(callee_name) is not a function"))
+            ErrorWithLocation(
+              sourceLocation: current_node!.toSourceLocation(),
+              withError: "\(callee_name) is not a function"))
         }
       case .Error(let e): Result<(FunctionDeclaration?, Declaration?)>.Error(e)
       }
@@ -692,7 +723,10 @@ extension FunctionCall: CompilableExpression {
           switch callee.identifier.type.baseType() {
           case is FunctionDeclaration: Result.Ok((.none, callee))
           default:
-            .Error(ErrorWithLocation(sourceLocation: current_node!.toSourceLocation(), withError: "\(callee_name) is not a function"))
+            .Error(
+              ErrorWithLocation(
+                sourceLocation: current_node!.toSourceLocation(),
+                withError: "\(callee_name) is not a function"))
           }
         default: .Error(e)
         }
@@ -747,7 +781,8 @@ extension FunctionCall: CompilableExpression {
     default:
       Result.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Unexpected error occurred calling function named (\(callee_name))"
+          sourceLocation: node.toSourceLocation(),
+          withError: "Unexpected error occurred calling function named (\(callee_name))"
         ))
     }
   }

Sources/P4Compiler/Parser.swift

@@ -52,7 +52,10 @@ public struct Parser {
       node: Node, withContext context: CompilerContext
     ) -> Result<(EvaluatableStatement, CompilerContext)> {
       if node.nodeType != "parserStatement" && node.nodeType != "statement" {
-        return Result.Error(ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Missing expected parser statement"))
+        return Result.Error(
+          ErrorWithLocation(
+            sourceLocation: node.toSourceLocation(), withError: "Missing expected parser statement")
+        )
       }
 
       let statement = node.child(at: 0)!
@@ -76,7 +79,9 @@ public struct Parser {
         return .Ok((parsed, updated_context))
       case Result.Error(let e):
         return .Error(
-          ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Failed to parse a statement element: \(e)"))
+          ErrorWithLocation(
+            sourceLocation: node.toSourceLocation(),
+            withError: "Failed to parse a statement element: \(e)"))
       }
     }
   }
@@ -95,7 +100,9 @@ public struct Parser {
         tse_node.nodeType! == "transitionSelectionExpression"
       else {
         return .Error(
-          ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Could not find transition select expression"))
+          ErrorWithLocation(
+            sourceLocation: node.toSourceLocation(),
+            withError: "Could not find transition select expression"))
       }
 
       guard let next_node = tse_node.child(at: 0) else {
@@ -145,7 +152,9 @@ public struct Parser {
       node: Node, withContext context: CompilerContext
     ) -> Result<([EvaluatableStatement], CompilerContext)> {
       if node.nodeType != "statements" && node.nodeType != "parserStatements" {
-        return Result.Error(ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Did not find expected statements"))
+        return Result.Error(
+          ErrorWithLocation(
+            sourceLocation: node.toSourceLocation(), withError: "Did not find expected statements"))
       }
 
       var parse_errs: [any Errorable] = Array()
@@ -187,19 +196,23 @@ public struct Parser {
         node_type == "parserState"
       else {
         return Result.Error(
-          ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Did not find a parser state declaration"))
+          ErrorWithLocation(
+            sourceLocation: node.toSourceLocation(),
+            withError: "Did not find a parser state declaration"))
       }
 
       #MustOr(
         result: current_node, thing: walker.getNext(),
         or: Result<(InstantiatedParserState, CompilerContext)>.Error(
           ErrorWithLocation(
-            sourceLocation: node.toSourceLocation(), withError: "Missing elements in parser state declaration")))
+            sourceLocation: node.toSourceLocation(),
+            withError: "Missing elements in parser state declaration")))
 
       if current_node!.nodeType == "annotations" {
         return Result.Error(
           ErrorWithLocation(
-            sourceLocation: current_node!.toSourceLocation(), withError: "Annotations in parser state are not yet handled."))
+            sourceLocation: current_node!.toSourceLocation(),
+            withError: "Annotations in parser state are not yet handled."))
 
         // Would increment here.
       }
@@ -210,7 +223,8 @@ public struct Parser {
         result: current_node, thing: walker.getNext(),
         or: Result<(InstantiatedParserState, CompilerContext)>.Error(
           ErrorWithLocation(
-            sourceLocation: node.toSourceLocation(), withError: "Missing elements in parser state declaration")))
+            sourceLocation: node.toSourceLocation(),
+            withError: "Missing elements in parser state declaration")))
 
       let maybe_state_identifier = Identifier.Compile(
         node: current_node!, withContext: context)
@@ -225,7 +239,8 @@ public struct Parser {
         result: current_node, thing: walker.getNext(),
         or: Result<(InstantiatedParserState, CompilerContext)>.Error(
           ErrorWithLocation(
-            sourceLocation: node.toSourceLocation(), withError: "Missing body of state declaration")))
+            sourceLocation: node.toSourceLocation(), withError: "Missing body of state declaration")
+        ))
 
       var parse_errs: [any Errorable] = Array()
       var current_context = context
@@ -256,7 +271,8 @@ public struct Parser {
         result: current_node, thing: walker.getNext(),
         or: Result<(InstantiatedParserState, CompilerContext)>.Error(
           ErrorWithLocation(
-            sourceLocation: node.toSourceLocation(), withError: "Missing transition statement of state declaration")))
+            sourceLocation: node.toSourceLocation(),
+            withError: "Missing transition statement of state declaration")))
 
       return TransitionStatement.Compile(
         node: current_node!, forState: state_identifier, withStatements: parsed_s,

Sources/P4Compiler/Program.swift

@@ -99,7 +99,8 @@ public struct Program {
       if !found_parser {
         errors.append(
           ErrorWithLocation(
-            sourceLocation: specific_declaration_node.toSourceLocation(), withError: "Could not find parser for declaration node"
+            sourceLocation: specific_declaration_node.toSourceLocation(),
+            withError: "Could not find parser for declaration node"
           ))
       }
     }

Sources/P4Compiler/Statement.swift

@@ -35,11 +35,14 @@ extension BlockStatement: CompilableStatement {
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<(EvaluatableStatement, CompilerContext)>.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Malformed block statement")))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Malformed block statement")))
 
     if current_node!.nodeType != "{" {
       return Result.Error(
-        ErrorWithLocation(sourceLocation: current_node!.toSourceLocation(), withError: "Missing { on block statement"))
+        ErrorWithLocation(
+          sourceLocation: current_node!.toSourceLocation(),
+          withError: "Missing { on block statement"))
     }
 
     var statements: [EvaluatableStatement] = Array()
@@ -50,7 +53,8 @@ extension BlockStatement: CompilableStatement {
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<(EvaluatableStatement, CompilerContext)>.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Malformed block statement")))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Malformed block statement")))
 
     if current_node!.nodeType == "statements" {
       switch Parser.Statements.Compile(
@@ -73,11 +77,14 @@ extension BlockStatement: CompilableStatement {
     #MustOr(
       result: current_node, thing: walker.getNext(),
       or: Result<(EvaluatableStatement, CompilerContext)>.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Malformed block statement")))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "Malformed block statement")))
 
     if current_node!.nodeType != "}" {
       return Result.Error(
-        ErrorWithLocation(sourceLocation: current_node!.toSourceLocation(), withError: "Missing } on block statement"))
+        ErrorWithLocation(
+          sourceLocation: current_node!.toSourceLocation(),
+          withError: "Missing } on block statement"))
     }
 
     return .Ok((BlockStatement(statements), current_context))
@@ -97,7 +104,9 @@ extension ConditionalStatement: CompilableStatement {
       condition_expression.nodeType == "expression"
     else {
       return Result.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Did not find condition for conditional statement"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "Did not find condition for conditional statement"))
     }
 
     let maybe_thens = node.child(at: 4)
@@ -106,7 +115,8 @@ extension ConditionalStatement: CompilableStatement {
     else {
       return Result.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Did not find then statement block for conditional statement"))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Did not find then statement block for conditional statement"))
     }
 
     guard
@@ -166,7 +176,8 @@ extension VariableDeclarationStatement: CompilableStatement {
     else {
       return Result.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Did not find type name for variable declaration statement"))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Did not find type name for variable declaration statement"))
     }
 
     let maybe_variablename = node.child(at: 1)
@@ -175,7 +186,8 @@ extension VariableDeclarationStatement: CompilableStatement {
     else {
       return Result.Error(
         ErrorWithLocation(
-          sourceLocation: node.toSourceLocation(), withError: "Did not find identifier name for variable declaration statement"))
+          sourceLocation: node.toSourceLocation(),
+          withError: "Did not find identifier name for variable declaration statement"))
     }
 
     let maybe_rvalue = node.childCount > 3 ? node.child(at: 3) : .none
@@ -205,7 +217,8 @@ extension VariableDeclarationStatement: CompilableStatement {
             withError: "initial value for declaration statement is not an expression"))
       }
 
-      let maybe_parsed_rvalue = Expression.Compile(node: initializer_expression, withContext: context)
+      let maybe_parsed_rvalue = Expression.Compile(
+        node: initializer_expression, withContext: context)
       guard
         case .Ok(let parsed_rvalue) = maybe_parsed_rvalue
       else {
@@ -231,7 +244,8 @@ extension VariableDeclarationStatement: CompilableStatement {
 
     guard let initializer = initializer else {
       return Result.Error(
-          ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "No initializer for declaration"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(), withError: "No initializer for declaration"))
     }
 
     return Result.Ok(
@@ -275,14 +289,18 @@ extension ParserAssignmentStatement: CompilableStatement {
       lvalue_node.nodeType == "expression"
     else {
       return Result.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Missing lvalue in assignment statement"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing lvalue in assignment statement"))
     }
 
     guard let rvalue_node = node.child(at: 2),
       rvalue_node.nodeType == "expression"
     else {
       return Result.Error(
-        ErrorWithLocation(sourceLocation: node.toSourceLocation(), withError: "Missing rvalue in assignment statement"))
+        ErrorWithLocation(
+          sourceLocation: node.toSourceLocation(),
+          withError: "Missing rvalue in assignment statement"))
     }
 
     let maybe_parsed_rvalue = Expression.Compile(

Sources/P4Lang/Expressions.swift

@@ -84,7 +84,9 @@ public struct SelectExpression {
   }
 }
 
-public typealias NamedBinaryOperatorEvaluator = (String, P4QualifiedType, (P4Value, P4Value) -> P4DataValue)
+public typealias NamedBinaryOperatorEvaluator = (
+  String, P4QualifiedType, (P4Value, P4Value) -> P4DataValue
+)
 public typealias BinaryOperatorEvaluator = (P4Value, P4Value) -> P4DataValue
 
 public struct BinaryOperatorExpression {