feat(parser:net): switch

internal/compiler/parser/net.go

@@ -184,6 +184,7 @@ func parseSingleReceiverSide(
 	deferredConn := actx.DeferredConn()
 	portAddr := actx.PortAddr()
 	chainedConn := actx.ChainedNormConn()
+	switchStmt := actx.SwitchStmt()
 
 	meta := core.Meta{
 		Text: actx.GetText(),
@@ -204,6 +205,8 @@ func parseSingleReceiverSide(
 		return parseChainedConnExpr(chainedConn, meta)
 	case portAddr != nil:
 		return parsePortAddrReceiver(portAddr)
+	case switchStmt != nil:
+		return parseSwitchStmt(switchStmt)
 	default:
 		return src.ConnectionReceiver{}, &compiler.Error{
 			Message: "missing receiver side",
@@ -212,6 +215,37 @@ func parseSingleReceiverSide(
 	}
 }
 
+func parseSwitchStmt(
+	switchStmt generated.ISwitchStmtContext,
+) (src.ConnectionReceiver, *compiler.Error) {
+	meta := core.Meta{
+		Text: switchStmt.GetText(),
+		Start: core.Position{
+			Line:   switchStmt.GetStart().GetLine(),
+			Column: switchStmt.GetStart().GetColumn(),
+		},
+		Stop: core.Position{
+			Line:   switchStmt.GetStop().GetLine(),
+			Column: switchStmt.GetStop().GetColumn(),
+		},
+	}
+
+	unparsedCases := switchStmt.AllNormConnDef()
+	cases := make([]src.NormalConnection, 0, len(unparsedCases))
+	for _, connDef := range unparsedCases {
+		parsedConn, err := parseNormConn(connDef)
+		if err != nil {
+			return src.ConnectionReceiver{}, err
+		}
+		cases = append(cases, *parsedConn.Normal)
+	}
+
+	return src.ConnectionReceiver{
+		Switch: cases,
+		Meta:   meta,
+	}, nil
+}
+
 func parseChainedConnExpr(
 	actx generated.IChainedNormConnContext,
 	connMeta core.Meta,

internal/compiler/sourcecode/sourcecode.go

@@ -298,10 +298,11 @@ type ArrayBypassConnection struct {
 }
 
 type ConnectionReceiver struct {
-	PortAddr           *PortAddr   `json:"portAddr,omitempty"`
-	DeferredConnection *Connection `json:"deferredConnection,omitempty"`
-	ChainedConnection  *Connection `json:"chainedConnection,omitempty"`
-	Meta               core.Meta   `json:"meta,omitempty"`
+	PortAddr           *PortAddr          `json:"portAddr,omitempty"`
+	DeferredConnection *Connection        `json:"deferredConnection,omitempty"`
+	ChainedConnection  *Connection        `json:"chainedConnection,omitempty"`
+	Switch             []NormalConnection `json:"switch,omitempty"`
+	Meta               core.Meta          `json:"meta,omitempty"`
 }
 
 type ConnectionSideSelectors []string
@@ -324,10 +325,10 @@ type ConnectionSender struct {
 	PortAddr       *PortAddr `json:"portAddr,omitempty"`
 	Const          *Const    `json:"const,omitempty"`
 	Range          *Range    `json:"range,omitempty"`
-	StructSelector []string  `json:"selector,omitempty"`
 	Unary          *Unary    `json:"unary,omitempty"`
 	Binary         *Binary   `json:"binary,omitempty"`
 	Ternary        *Ternary  `json:"ternary,omitempty"`
+	StructSelector []string  `json:"selector,omitempty"`
 	Meta           core.Meta `json:"meta,omitempty"`
 }