while loop added

impl/worker/mapping.go

@@ -47,6 +47,7 @@ var (
 		"wifi.ScanNetworks":       "WiFi.scanNetworks",
 		"wifi.SetDNS":             "WiFi.setDNS",
 		"wifi.SSID":               "WiFi.SSID",
+		"wifi.Status":             "WiFi.status",
 		"wifi.StatusConnected":    "WL_CONNECTED",
 		"wifi.StatusIdle":         "WL_IDLE",
 		"Loop":                    "void loop",
@@ -55,7 +56,7 @@ var (
 )
 
 // Mapping specifies the api logic to apply transformation to a specific Golang identifier by reading simple JSON map.
-type Mapping struct {}
+type Mapping struct{}
 
 // NewMapping creates a new mapping and returns its address.
 func NewMapping() worker.Mapping {

impl/worker/worker.go

@@ -339,6 +339,8 @@ func handleStmt(stmt ast.Stmt) string {
 	case *ast.ExprStmt:
 		code += handleExprStmt(s)
 		code += ";"
+	case *ast.ForStmt:
+		code += handleForStmt(s)
 	case *ast.IfStmt:
 		code += handleIfStmt(s)
 	case *ast.SwitchStmt:
@@ -347,6 +349,22 @@ func handleStmt(stmt ast.Stmt) string {
 	return code
 }
 
+func handleForStmt(stmt *ast.ForStmt) string {
+	code := ""
+	if stmt.Init == nil && stmt.Post == nil {
+		code += "while"
+	} else {
+		code += "for"
+	}
+	code += "(" // stmt.Init
+	code += handleBinaryExpr(stmt.Cond) // stmt.Cond
+	code += "" // stmt.Post
+	code += ") {"
+	code += handleBlockStmt(stmt.Body) // stmt.Body
+	code += "}"
+	return code
+}
+
 func handleSwitchStmt(stmt *ast.SwitchStmt) string {
 	code := "switch ("
 	code += handleExpr(stmt.Tag)

impl/worker/worker_test.go

@@ -376,3 +376,32 @@ func Test_SwitchStmt_With_Break(t *testing.T) {
 `
 	Validate(source, expected, t)
 }
+
+func Test_ForLoop_WithoutInit_And_Post_Transpiles_To_While(t *testing.T) {
+	source := `package test
+	import wifi "github.com/andygeiss/esp32/api/controller/wifi"
+	func Setup() error {
+		serial.Begin(serial.BaudRate115200)
+		wifi.BeginEncrypted("SSID", "PASS")
+		for wifi.Status() != wifi.StatusConnected {
+			serial.Println("Connecting ...")
+		}
+		serial.Println("Connected!")
+		return nil
+	}	
+	func Loop() error {}
+`
+	expected := `
+	#include <WiFi.h>
+	void setup() {
+		Serial.begin(115200);
+		WiFi.begin("SSID","PASS");
+		while(WiFi.status()!=WL_CONNECTED){
+			Serial.println("Connecting...");
+		}
+		Serial.println("Connected!");
+	}
+	void loop() {}
+`
+	Validate(source, expected, t)
+}