cfg: fix range exit

gi.go

@@ -73,12 +73,14 @@ func main() {
 	*/
 }
 
+// Plugin struct stores metadata for external modules
 type Plugin struct {
 	Pkgname, Typename string
-	Id                int
+	ID                int
 	Syms              *interp.SymMap
 }
 
+// Handler redirect http.Handler processing in the interpreter
 func (p *Plugin) Handler(w http.ResponseWriter, r *http.Request) {
-	(*p.Syms)["WrapHandler"].(func(int, http.ResponseWriter, *http.Request))(p.Id, w, r)
+	(*p.Syms)["WrapHandler"].(func(int, http.ResponseWriter, *http.Request))(p.ID, w, r)
 }

interp/cfg.go

@@ -508,6 +508,7 @@ func (interp *Interpreter) Cfg(root *Node, sdef *NodeMap) []*Node {
 			loop, loopRestart = nil, nil
 			n.start = n.child[0].start
 			n.findex = n.child[0].findex
+			n.child[0].fnext = n
 			scope = scope.anc
 
 		case FuncDecl:

interp/dot.go

@@ -58,7 +58,7 @@ func (n *Node) CfgDot(out io.WriteCloser) {
 	fmt.Fprintf(out, "}\n")
 }
 
-// Dotty returns an output stream to a dotty(1) co-process where to write data in .dot format
+// DotX returns an output stream to a dot(1) co-process where to write data in .dot format
 func DotX() io.WriteCloser {
 	//cmd := exec.Command("dotty", "-")
 	cmd := exec.Command("dot", "-T", "xlib")

interp/interp_test.go

@@ -58,6 +58,28 @@ func main() {
 	// test
 }
 
+func Example_a11() {
+	src := `
+package main
+
+func main() {
+	a := []int{1, 2, 3, 4}
+	for _, v := range a {
+		println(v)
+	}
+}
+`
+	i := NewInterpreter(Opt{Entry: "main"})
+	i.ImportBin(export.Pkg)
+	i.Eval(src)
+
+	// Output:
+	// 1
+	// 2
+	// 3
+	// 4
+}
+
 func Example_a2() {
 	src := `
 package main
@@ -278,12 +300,15 @@ package main
 import "fmt"
 
 func main() {
-	fmt.Println(true)
-}`
+	fmt.Println(false, true)
+}
+`
 	i := NewInterpreter(Opt{Entry: "main"})
 	i.ImportBin(export.Pkg)
 	i.Eval(src)
 
+	// Output:
+	// false true
 }
 
 func Example_chan0() {

test/a11.go

@@ -0,0 +1,14 @@
+package main
+
+func main() {
+	a := []int{1, 2, 3, 4}
+	for _, v := range a {
+		println(v)
+	}
+}
+
+// Output:
+// 1
+// 2
+// 3
+// 4