pkg,service/dap: use switch instead of ifs (#3576)

pkg/config/split.go

@@ -47,11 +47,12 @@ func SplitQuotedFields(in string, quote rune) []string {
 			}
 
 		case inQuote:
-			if ch == quote {
+			switch ch {
+			case quote:
 				state = inField
-			} else if ch == '\\' {
+			case '\\':
 				state = inQuoteEscaped
-			} else {
+			default:
 				buf.WriteRune(ch)
 			}
 

pkg/proc/core/linux_core.go

@@ -280,11 +280,12 @@ func readNote(r io.ReadSeeker, machineType elf.Machine) (*note, error) {
 	descReader := bytes.NewReader(desc)
 	switch note.Type {
 	case elf.NT_PRSTATUS:
-		if machineType == _EM_X86_64 {
+		switch machineType {
+		case _EM_X86_64:
 			note.Desc = &linuxPrStatusAMD64{}
-		} else if machineType == _EM_AARCH64 {
+		case _EM_AARCH64:
 			note.Desc = &linuxPrStatusARM64{}
-		} else {
+		default:
 			return nil, fmt.Errorf("unsupported machine type")
 		}
 		if err := binary.Read(descReader, binary.LittleEndian, note.Desc); err != nil {

service/dap/server.go

@@ -2416,17 +2416,18 @@ func (s *Session) childrenToDAPVariables(v *fullyQualifiedVariable) []dap.Variab
 			c := &v.Children[i]
 			cfqname := fmt.Sprintf("%s.%s", v.fullyQualifiedNameOrExpr, c.Name)
 
-			if strings.HasPrefix(c.Name, "~") || strings.HasPrefix(c.Name, ".") {
+			switch {
+			case strings.HasPrefix(c.Name, "~") || strings.HasPrefix(c.Name, "."):
 				cfqname = ""
-			} else if v.isScope && v.fullyQualifiedNameOrExpr == "" {
+			case v.isScope && v.fullyQualifiedNameOrExpr == "":
 				cfqname = c.Name
-			} else if v.fullyQualifiedNameOrExpr == "" {
+			case v.fullyQualifiedNameOrExpr == "":
 				cfqname = ""
-			} else if v.Kind == reflect.Interface {
+			case v.Kind == reflect.Interface:
 				cfqname = fmt.Sprintf("%s.(%s)", v.fullyQualifiedNameOrExpr, c.Name) // c is data
-			} else if v.Kind == reflect.Ptr {
+			case v.Kind == reflect.Ptr:
 				cfqname = fmt.Sprintf("(*%v)", v.fullyQualifiedNameOrExpr) // c is the nameless pointer value
-			} else if v.Kind == reflect.Complex64 || v.Kind == reflect.Complex128 {
+			case v.Kind == reflect.Complex64 || v.Kind == reflect.Complex128:
 				cfqname = "" // complex children are not struct fields and can't be accessed directly
 			}
 			cvalue, cvarref := s.convertVariable(c, cfqname)

service/dap/server_test.go

@@ -5210,11 +5210,12 @@ func runDebugSessionWithBPs(t *testing.T, client *daptest.Client, cmd string, cm
 
 	cmdRequest()
 	client.ExpectInitializedEvent(t)
-	if cmd == "launch" {
+	switch cmd {
+	case "launch":
 		client.ExpectLaunchResponse(t)
-	} else if cmd == "attach" {
+	case "attach":
 		client.ExpectAttachResponse(t)
-	} else {
+	default:
 		panic("expected launch or attach command")
 	}