compiler, runtime: Refactor P4DataType to P4Type

Now that the old P4Type is a P4QualifiedType, it makes sense to
rename the data type back to just type.

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

Snippets/use-program-typeswithtypes.swift

@@ -32,7 +32,7 @@ let p4_program_with_struct_decl = """
   """
 
 // snippet.include
-let flter = { (tipe: P4DataType) -> Bool in
+let flter = { (tipe: P4Type) -> Bool in
   switch tipe {
   case let c as P4Struct: c.name == "agg"
   default: false

Sources/Common/Compiler.swift

@@ -22,7 +22,7 @@ public typealias VarTypeScope = Scope<P4QualifiedType>
 public typealias VarTypeScopes = Scopes<P4QualifiedType>
 
 /// A scope that resolves type identifiers to their types.
-public typealias TypeTypeScope = Scope<P4DataType>
+public typealias TypeTypeScope = Scope<P4Type>
 
 /// Scopes that resolve type identifiers to their types.
-public typealias TypeTypeScopes = Scopes<P4DataType>
+public typealias TypeTypeScopes = Scopes<P4Type>

Sources/Common/DataTypes.swift

@@ -135,7 +135,7 @@ public struct P4StructFields: Sequence, CustomStringConvertible, Equatable {
 }
 
 /// The type for a P4 struct
-public struct P4Struct: P4DataType {
+public struct P4Struct: P4Type {
 
   public let name: Identifier
   public let fields: P4StructFields
@@ -154,7 +154,7 @@ public struct P4Struct: P4DataType {
     return "Struct \(self.name) with fields: \(self.fields)"
   }
 
-  public func eq(rhs: P4DataType) -> Bool {
+  public func eq(rhs: P4Type) -> Bool {
     return if let struct_rhs = rhs as? P4Struct {
       struct_rhs.name == self.name
     } else {
@@ -169,7 +169,7 @@ public struct P4Struct: P4DataType {
 
 /// An instance of a P4 struct
 public class P4StructValue: P4DataValue {
-  public func type() -> P4DataType {
+  public func type() -> P4Type {
     return self.stype
   }
 
@@ -350,12 +350,12 @@ public class P4StructValue: P4DataValue {
 }
 
 /// A P4 boolean type
-public struct P4Boolean: P4DataType {
+public struct P4Boolean: P4Type {
   public init() {}
   public var description: String {
     return "Boolean"
   }
-  public func eq(rhs: P4DataType) -> Bool {
+  public func eq(rhs: P4Type) -> Bool {
     return switch rhs {
     case is P4Boolean: true
     default: false
@@ -368,7 +368,7 @@ public struct P4Boolean: P4DataType {
 
 /// An instance of a P4 boolean
 public class P4BooleanValue: P4DataValue {
-  public func type() -> any P4DataType {
+  public func type() -> any P4Type {
     return P4Boolean()
   }
 
@@ -422,13 +422,13 @@ public class P4BooleanValue: P4DataValue {
 }
 
 /// A P4 int type
-public struct P4Int: P4DataType {
+public struct P4Int: P4Type {
   public init() {}
 
   public var description: String {
     return "Int"
   }
-  public func eq(rhs: P4DataType) -> Bool {
+  public func eq(rhs: P4Type) -> Bool {
     return switch rhs {
     case is P4Int: true
     default: false
@@ -441,7 +441,7 @@ public struct P4Int: P4DataType {
 
 /// An instance of a P4 integer
 public class P4IntValue: P4DataValue {
-  public func type() -> P4DataType {
+  public func type() -> P4Type {
     return P4Int()
   }
 
@@ -495,12 +495,12 @@ public class P4IntValue: P4DataValue {
 }
 
 /// A P4 string type
-public struct P4String: P4DataType {
+public struct P4String: P4Type {
   public init() {}
   public var description: String {
     return "String"
   }
-  public func eq(rhs: any P4DataType) -> Bool {
+  public func eq(rhs: any P4Type) -> Bool {
     return switch rhs {
     case is P4String: true
     default: false
@@ -512,7 +512,7 @@ public struct P4String: P4DataType {
 }
 /// An instance of a P4 string
 public class P4StringValue: P4DataValue {
-  public func type() -> any P4DataType {
+  public func type() -> any P4Type {
     return P4String()
   }
 
@@ -565,7 +565,7 @@ public class Packet {
 }
 
 /// A P4 array type
-public struct P4Array: P4DataType {
+public struct P4Array: P4Type {
   public init(withValueType vtype: P4QualifiedType) {
     self.vtype = vtype
   }
@@ -580,7 +580,7 @@ public struct P4Array: P4DataType {
     return "Array"
   }
 
-  public func eq(rhs: any P4DataType) -> Bool {
+  public func eq(rhs: any P4Type) -> Bool {
     return switch rhs {
     case is P4Array: true
     default: false
@@ -594,7 +594,7 @@ public struct P4Array: P4DataType {
 
 /// An instance of a P4 array
 public class P4ArrayValue: P4DataValue {
-  public func type() -> any P4DataType {
+  public func type() -> any P4Type {
     return P4Array(withValueType: self.vtype)
   }
 
@@ -663,7 +663,7 @@ public class P4ArrayValue: P4DataValue {
 }
 
 /// A P4 set type
-public struct P4Set: P4DataType {
+public struct P4Set: P4Type {
   public init(withSetType stype: P4QualifiedType) {
     self.stype = stype
   }
@@ -678,7 +678,7 @@ public struct P4Set: P4DataType {
     return "P4Set"
   }
 
-  public func eq(rhs: any P4DataType) -> Bool {
+  public func eq(rhs: any P4Type) -> Bool {
     return switch rhs {
     // If rhs is a set type, then they are the same if the types in the set are the same.
     case let srhs as P4Set: srhs.eq(rhs: self.stype.baseType())
@@ -693,7 +693,7 @@ public struct P4Set: P4DataType {
 
 /// An instance of a P4 set
 public class P4SetValue: P4DataValue {
-  public func type() -> any P4DataType {
+  public func type() -> any P4Type {
     return P4Set(withSetType: self.value.type())
   }
 
@@ -744,7 +744,7 @@ public class P4SetValue: P4DataValue {
 }
 
 public class P4SetDefaultValue: P4DataValue {
-  public func type() -> P4DataType {
+  public func type() -> P4Type {
     return P4Set(withSetType: self.stype)
   }
 
@@ -776,8 +776,8 @@ public class P4SetDefaultValue: P4DataValue {
   }
 }
 
-public struct P4HitMiss: P4DataType {
-  public func eq(rhs: any P4DataType) -> Bool {
+public struct P4HitMiss: P4Type {
+  public func eq(rhs: any P4Type) -> Bool {
     return switch rhs {
     case is P4HitMiss: true
     default: false
@@ -794,7 +794,7 @@ public struct P4HitMiss: P4DataType {
 }
 
 public enum P4TableHitMissValue: P4DataValue, Equatable, Comparable, CustomStringConvertible {
-  public func type() -> any P4DataType {
+  public func type() -> any P4Type {
     return P4HitMiss()
   }
 

Sources/Common/P4Types.swift

@@ -114,9 +114,9 @@ public struct P4TypeQualifiers: CustomStringConvertible {
 
 public struct P4QualifiedType: CustomStringConvertible {
   let _attributes: P4TypeQualifiers
-  let base_type: P4DataType
+  let base_type: P4Type
 
-  public init(_ base_type: P4DataType, _ attributes: P4TypeQualifiers = P4TypeQualifiers([])) {
+  public init(_ base_type: P4Type, _ attributes: P4TypeQualifiers = P4TypeQualifiers([])) {
     self._attributes = attributes
     self.base_type = base_type
   }
@@ -137,7 +137,7 @@ public struct P4QualifiedType: CustomStringConvertible {
     return self._attributes.readOnly()
   }
 
-  public func baseType() -> P4DataType {
+  public func baseType() -> P4Type {
     return self.base_type
   }
 
@@ -181,7 +181,7 @@ public struct P4QualifiedType: CustomStringConvertible {
     return TypeCheckResults.Ok
   }
 
-  public static func ReadOnly(_ type: P4DataType) -> P4QualifiedType {
+  public static func ReadOnly(_ type: P4Type) -> P4QualifiedType {
     return P4QualifiedType(type, P4TypeQualifiers.ReadOnly())
   }
 

Sources/Common/Protocols.swift

@@ -34,13 +34,13 @@ public protocol EvaluatableStatement {
   func evaluate(execution: ProgramExecution) -> (ControlFlow, ProgramExecution)
 }
 
-public protocol P4DataType: CustomStringConvertible {
-  func eq(rhs: any P4DataType) -> Bool
+public protocol P4Type: CustomStringConvertible {
+  func eq(rhs: any P4Type) -> Bool
   func def() -> P4DataValue
 }
 
 public protocol P4DataValue: CustomStringConvertible {
-  func type() -> any P4DataType
+  func type() -> any P4Type
   func eq(rhs: P4DataValue) -> Bool
   func lt(rhs: P4DataValue) -> Bool
   func lte(rhs: P4DataValue) -> Bool

Sources/P4Compiler/Declarations.swift

@@ -542,7 +542,7 @@ extension Action: Compilable {
   public static func Compile(
     node: SwiftTreeSitter.Node, withContext context: CompilerContext
   ) -> Common.Result<(P4Lang.Action, CompilerContext)> {
-    #RequireNodeType<Node, (P4DataType, CompilerContext)>(
+    #RequireNodeType<Node, (P4Type, CompilerContext)>(
       node: node, type: "action_declaration", nice_type_name: "Action Declaration")
 
     var walker = Walker(node: node)
@@ -619,7 +619,7 @@ extension TableKeyEntry: Compilable {
     node: SwiftTreeSitter.Node, withContext context: CompilerContext
   ) -> Common.Result<(P4Lang.TableKeyEntry, CompilerContext)> {
 
-    #RequireNodeType<Node, (P4DataType, CompilerContext)>(
+    #RequireNodeType<Node, (P4Type, CompilerContext)>(
       node: node, type: "table_key_entry", nice_type_name: "Table Key Entry")
 
     var walker = Walker(node: node)
@@ -782,7 +782,7 @@ extension TablePropertyList: Compilable {
     node: SwiftTreeSitter.Node, withContext context: CompilerContext
   ) -> Common.Result<(P4Lang.TablePropertyList, CompilerContext)> {
 
-    #RequireNodeType<Node, (P4DataType, CompilerContext)>(
+    #RequireNodeType<Node, (P4Type, CompilerContext)>(
       node: node, type: "table_property_list", nice_type_name: "Table Property List")
 
     var current_context = context
@@ -851,7 +851,7 @@ extension Table: Compilable {
   ) -> Common.Result<(P4Lang.Table, CompilerContext)> {
 
     let table_declaration_node = node
-    #RequireNodeType<Node, (P4DataType, CompilerContext)>(
+    #RequireNodeType<Node, (P4Type, CompilerContext)>(
       node: table_declaration_node, type: "table_declaration", nice_type_name: "Table Declaration")
 
     var walker = Walker(node: table_declaration_node)

Sources/P4Compiler/Protocols.swift

@@ -35,7 +35,7 @@ public protocol CompilableValue {
 public protocol CompilableType {
   static func CompileType(
     type: SwiftTreeSitter.Node, withContext: CompilerContext
-  ) -> Result<P4DataType?>
+  ) -> Result<P4Type?>
 }
 
 public protocol CompilableDeclaration {

Sources/P4Compiler/Types.swift

@@ -25,7 +25,7 @@ import TreeSitterP4
 extension P4Boolean: CompilableType {
   public static func CompileType(
     type: SwiftTreeSitter.Node, withContext: CompilerContext
-  ) -> Common.Result<(any Common.P4DataType)?> {
+  ) -> Common.Result<(any Common.P4Type)?> {
     return type.text == "bool" ? .Ok(P4Boolean()) : .Ok(.none)
   }
 }
@@ -33,7 +33,7 @@ extension P4Boolean: CompilableType {
 extension P4Int: CompilableType {
   public static func CompileType(
     type: SwiftTreeSitter.Node, withContext: CompilerContext
-  ) -> Common.Result<(any Common.P4DataType)?> {
+  ) -> Common.Result<(any Common.P4Type)?> {
     return type.text == "int" ? .Ok(P4Int()) : .Ok(.none)
   }
 }
@@ -41,7 +41,7 @@ extension P4Int: CompilableType {
 extension P4String: CompilableType {
   public static func CompileType(
     type: SwiftTreeSitter.Node, withContext: CompilerContext
-  ) -> Common.Result<(any Common.P4DataType)?> {
+  ) -> Common.Result<(any Common.P4Type)?> {
     return type.text == "string" ? .Ok(P4String()) : .Ok(.none)
   }
 }
@@ -49,7 +49,7 @@ extension P4String: CompilableType {
 extension P4Struct: CompilableType {
   public static func CompileType(
     type: SwiftTreeSitter.Node, withContext context: CompilerContext
-  ) -> Common.Result<(any Common.P4DataType)?> {
+  ) -> Common.Result<(any Common.P4Type)?> {
 
     let maybe_parsed_type_id = Identifier.Compile(node: type, withContext: context)
     guard case .Ok(let parsed_type_id) = maybe_parsed_type_id else {

Sources/P4Lang/Control.swift

@@ -17,8 +17,8 @@
 
 import Common
 
-public struct Action: CustomStringConvertible, P4DataType, P4DataValue {
-  public func type() -> any Common.P4DataType {
+public struct Action: CustomStringConvertible, P4Type, P4DataValue {
+  public func type() -> any P4Type {
     return self
   }
 
@@ -29,7 +29,7 @@ public struct Action: CustomStringConvertible, P4DataType, P4DataValue {
     }
   }
 
-  public func eq(rhs: any Common.P4DataType) -> Bool {
+  public func eq(rhs: any P4Type) -> Bool {
     return switch rhs {
     case is Action: true
     default: false
@@ -194,20 +194,20 @@ public struct Table: CustomStringConvertible {
   }
 }
 
-public struct Control: P4DataType, P4DataValue, Equatable, CustomStringConvertible {
+public struct Control: P4Type, P4DataValue, Equatable, CustomStringConvertible {
   public static func == (lhs: Control, rhs: Control) -> Bool {
     // Two "bare" controls are always equal.
     return true
   }
 
-  public func eq(rhs: any Common.P4DataType) -> Bool {
+  public func eq(rhs: any P4Type) -> Bool {
     return switch rhs {
     case is Control: true
     default: false
     }
   }
 
-  public func type() -> any Common.P4DataType {
+  public func type() -> any P4Type {
     return self
   }
 

Sources/P4Lang/Declarations.swift

@@ -17,7 +17,7 @@
 
 import Common
 
-public struct Declaration: P4DataType {
+public struct Declaration: P4Type {
   public let identifier: TypedIdentifier
   public let extern: Bool
   public let ffi: P4FFI?
@@ -34,7 +34,7 @@ public struct Declaration: P4DataType {
     self.extern = true
   }
 
-  public func eq(rhs: any Common.P4DataType) -> Bool {
+  public func eq(rhs: any Common.P4Type) -> Bool {
     return switch rhs {
     case let rrhs as Declaration:
       self.identifier.type.baseType().eq(rhs: rrhs.identifier.type.baseType())
@@ -48,7 +48,7 @@ public struct Declaration: P4DataType {
     return self.identifier.type.baseType().def()
   }
 
-  public func type() -> any Common.P4DataType {
+  public func type() -> any Common.P4Type {
     return self
   }
   public var description: String {
@@ -58,12 +58,12 @@ public struct Declaration: P4DataType {
 
 public struct ExternDeclaration {}
 
-public struct FunctionDeclaration: P4DataType, P4DataValue {
-  public func type() -> any Common.P4DataType {
+public struct FunctionDeclaration: P4Type, P4DataValue {
+  public func type() -> any Common.P4Type {
     return self
   }
 
-  public func eq(rhs: any Common.P4DataType) -> Bool {
+  public func eq(rhs: any Common.P4Type) -> Bool {
     switch rhs {
     case let frhs as FunctionDeclaration:
       return frhs.tipe.eq(self.tipe) && frhs.params == self.params
@@ -73,7 +73,7 @@ public struct FunctionDeclaration: P4DataType, P4DataValue {
 
   public func eq(rhs: any Common.P4DataValue) -> Bool {
     switch rhs {
-    case let frhs as FunctionDeclaration: return self.eq(rhs: frhs as P4DataType)
+    case let frhs as FunctionDeclaration: return self.eq(rhs: frhs as P4Type)
     default: return false
     }
   }

Sources/P4Lang/Expressions.swift

@@ -130,7 +130,7 @@ public struct FieldAccessExpression {
 public struct FunctionCall {
   public let callee: (FunctionDeclaration?, P4FFI?)
   public let arguments: ArgumentList
-  public let return_type: P4DataType
+  public let return_type: P4Type
 
   public init(_ callee: FunctionDeclaration, withArguments arguments: ArgumentList) {
     self.callee = (callee, .none)

Sources/P4Lang/Parser.swift

@@ -41,20 +41,20 @@ public struct ParserAssignmentStatement {
 ///
 /// Note: A P4 Parser State is both a type and a value.
 /// This "bare" parser state represents the state more as a type than a value.
-public class ParserState: P4DataType, P4DataValue, Equatable, CustomStringConvertible {
+public class ParserState: P4Type, P4DataValue, Equatable, CustomStringConvertible {
   public static func == (lhs: ParserState, rhs: ParserState) -> Bool {
     // Two "bare" parser states are always equal.
     return true
   }
 
-  public func eq(rhs: any Common.P4DataType) -> Bool {
+  public func eq(rhs: any Common.P4Type) -> Bool {
     return switch rhs {
     case is ParserState: true
     default: false
     }
   }
 
-  public func type() -> any Common.P4DataType {
+  public func type() -> any Common.P4Type {
     return self
   }
 
@@ -116,14 +116,14 @@ public class InstantiatedParserState: ParserState {
     return lhs.state == rhs.state
   }
 
-  public override func eq(rhs: any Common.P4DataType) -> Bool {
+  public override func eq(rhs: any Common.P4Type) -> Bool {
     return switch rhs {
     case is ParserState: true
     default: false
     }
   }
 
-  public override func type() -> any Common.P4DataType {
+  public override func type() -> any Common.P4Type {
     return self
   }
 
@@ -276,12 +276,12 @@ public struct ParserStates {
 /// A P4 Parser
 ///
 /// Note: A Parser is both a type _and_ a value.
-public struct Parser: P4DataType, P4DataValue {
-  public func type() -> any Common.P4DataType {
+public struct Parser: P4Type, P4DataValue {
+  public func type() -> any Common.P4Type {
     return self
   }
 
-  public func eq(rhs: any Common.P4DataType) -> Bool {
+  public func eq(rhs: any Common.P4Type) -> Bool {
     return switch rhs {
     case let parser_rhs as Parser: self.name == parser_rhs.name
     default: false

Sources/P4Lang/Program.swift

@@ -26,14 +26,14 @@ public struct ExpressionStatement {
 }
 
 public struct Program {
-  public var types: [P4DataType] = Array()
-  public var externs: [P4DataType] = Array()
+  public var types: [P4Type] = Array()
+  public var externs: [P4Type] = Array()
   public var instances: [P4QualifiedType] = Array()
 
   /// Type of closure for filtering results from ``Program/InstancesWithTypes(_:)``
   public typealias TypeFilter = (P4QualifiedType) -> Bool
   /// Type of closure for filtering results from ``Program/TypesWithTypes(_:)``
-  public typealias DataTypeFilter = (P4DataType) -> Bool
+  public typealias DataTypeFilter = (P4Type) -> Bool
 
   /// Retrieve global instances in the compiled P4 program.
   public func InstancesWithTypes() -> [P4QualifiedType] {
@@ -59,7 +59,7 @@ public struct Program {
   }
 
   /// Retrieve global types in the compiled P4 program.
-  public func TypesWithTypes() -> [P4DataType] {
+  public func TypesWithTypes() -> [P4Type] {
     return self.types
   }
 
@@ -75,14 +75,14 @@ public struct Program {
   ///
   /// @Snippet(path: "use-program-typeswithtypes", slice: "include")
   ///
-  public func TypesWithTypes(_ filter: DataTypeFilter) -> [P4DataType] {
+  public func TypesWithTypes(_ filter: DataTypeFilter) -> [P4Type] {
     return self.types.filter { instance in
       filter(instance)
     }
   }
 
   /// Retrieve extern types in the compiled P4 program.
-  public func Externs() -> [P4DataType] {
+  public func Externs() -> [P4Type] {
     return self.externs
   }
 
@@ -98,7 +98,7 @@ public struct Program {
   ///
   /// @Snippet(path: "use-program-typeswithtypes", slice: "include")
   ///
-  public func Externs(_ filter: DataTypeFilter) -> [P4DataType] {
+  public func Externs(_ filter: DataTypeFilter) -> [P4Type] {
     return self.externs.filter { instance in
       filter(instance)
     }

Sources/P4Lang/Types.swift

@@ -18,10 +18,10 @@
 import Common
 
 public struct AttributedP4Type {
-  public let type: P4DataType
+  public let type: P4Type
   public let attributes: P4QualifiedType
 
-  public init(_ type: P4DataType, _ attributes: P4QualifiedType) {
+  public init(_ type: P4Type, _ attributes: P4QualifiedType) {
     self.type = type
     self.attributes = attributes
   }

Tests/p4rseTests/ControlTests/Runtime.swift

@@ -59,7 +59,7 @@ import TreeSitterP4
     default: false
     }
   }
-  var control = ((controls[0].baseType() as P4DataType) as! Control)
+  var control = ((controls[0].baseType() as P4Type) as! Control)
 
   // Add entries to the table.
   control = control.updateTable(
@@ -130,7 +130,7 @@ import TreeSitterP4
     default: false
     }
   }
-  var control = ((controls[0].baseType() as P4DataType) as! Control)
+  var control = ((controls[0].baseType() as P4Type) as! Control)
 
   // Add entries to the table.
   control = control.updateTable(
@@ -201,7 +201,7 @@ import TreeSitterP4
     default: false
     }
   }
-  var control = ((controls[0].baseType() as P4DataType) as! Control)
+  var control = ((controls[0].baseType() as P4Type) as! Control)
 
   // Add entries to the table.
   control = control.updateTable(
@@ -271,7 +271,7 @@ import TreeSitterP4
     default: false
     }
   }
-  var control = ((controls[0].baseType() as P4DataType) as! Control)
+  var control = ((controls[0].baseType() as P4Type) as! Control)
 
   // Add entries to the table.
   control = control.updateTable(
@@ -342,7 +342,7 @@ import TreeSitterP4
     default: false
     }
   }
-  var control = ((controls[0].baseType() as P4DataType) as! Control)
+  var control = ((controls[0].baseType() as P4Type) as! Control)
 
   // Add entries to the table.
   control = control.updateTable(