generate: Add comments to protocol data structures, tests

generate/parse_test.go

@@ -9,6 +9,7 @@ func TestParse(test *testing.T) {
 	correct := defaultProtocol()
 	correct.Messages[0x0000] = Message {
 		Name: "Connect",
+		Doc:  "Connect is sent from the client to the server as the first message of an\n authenticated transaction.",
 		Type: TypeTableDefined {
 			Fields: map[uint16] Field {
 				0x0000: Field { Name: "Name",      Type: TypeString { } },
@@ -18,32 +19,44 @@ func TestParse(test *testing.T) {
 	}
 	correct.Messages[0x0001] = Message {
 		Name: "UserList",
+		Doc:  "UserList is sent from the server to the client in response to a Connect\nmessage.",
 		Type: TypeTableDefined {
 			Fields: map[uint16] Field {
 				0x0000: Field { Name: "Users",  Type: TypeArray { Element: TypeNamed { Name: "User" } } },
 			},
 		},
 	}
-	correct.Types["User"] = TypeTableDefined {
-		Fields: map[uint16] Field {
-			0x0000: Field { Name: "Name",      Type: TypeString { } },
-			0x0001: Field { Name: "Bio",       Type: TypeString { } },
-			0x0002: Field { Name: "Followers", Type: TypeInt { Bits: 32 } },
+	correct.Types["User"] = Typedef {
+		Doc:  "User holds profile information about a single user.",
+		Type: TypeTableDefined {
+			Fields: map[uint16] Field {
+				0x0000: Field { Name: "Name",      Type: TypeString { } },
+				0x0001: Field { Name: "Bio",       Type: TypeString { } },
+				0x0002: Field { Name: "Followers", Type: TypeInt { Bits: 32 } },
+			},
 		},
 	}
-	correct.Types["Anything"] = TypeAny { }
+	correct.Types["Anything"] = Typedef {
+		Type: TypeAny { },
+	}
 	test.Log("CORRECT:", &correct)
 	
 	got, err := ParseReader("test.pdl", strings.NewReader(`
+	// Connect is sent from the client to the server as the first message of an
+	// authenticated transaction.
 	M0000 Connect {
 		0000 Name String,
+		// Password is where you put your secrets, your shameful secrets
 		0001 Password String,
 	}
 	
+	// UserList is sent from the server to the client in response to a Connect
+	// message.
 	M0001 UserList {
 		0000 Users []User,
 	}
 	
+	// User holds profile information about a single user.
 	User {
 		0000 Name      String,
 		0001 Bio       String,