"tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": false,
            "stacking": {
              "group": "A",

   //   (multiply_linear_by_lr ? clamp(-l1 * lr, linear, l1 * lr)
   //                            clamp(-l1, linear, l1)) - linear
   (TF_SubOp:$linear_clipped_minus_linear
     (ConstAttrIfThenElse
       $multiply_linear_by_lr,
       (Clamp $src_op,
         (TF_NegOp (TF_MulOp $l1, $lr)),
         (CreateTFReadVariableOp $src_op, $l1, $linear),
         (TF_MulOp $l1, $lr)
       ),
       (Clamp $src_op,

	}
	defer f.Close()

	s := bufio.NewScanner(f)

	for lineno := 1; s.Scan(); lineno++ {
		line := s.Text()
		if len(line) == 0 || line[0] == '#' {
			continue
		}
		a := strings.Split(line, " ")
		if len(a) != 4 {
			t.Error("testdata/testfp.txt:", lineno, ": wrong field count")
			continue
		}
		var s string
		var v float64
		switch a[0] {

///     Scope linear = root.NewSubScope("linear");
///     // W will be named "linear/W"
///     auto W = Variable(linear.WithOpName("W"),
///                       {2, 2}, DT_FLOAT);
///     // b will be named "linear/b_3"
///     int idx = 3;
///     auto b = Variable(linear.WithOpName("b_", idx),
///                       {2}, DT_FLOAT);
///     auto x = Const(linear, {...});  // name: "linear/Const"

              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",

              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": false,
            "stacking": {
              "group": "A",

        int lastCommentLine = -1;
        for (int lineNo = 0, len = lines.size(); lineNo < len; lineNo++) {
            String line = lines.get(lineNo);
            if (line.startsWith("#")) {
                lastCommentLine = lineNo;
            }
        }

        // The last comment line is the timestamp
        List<String> nonCommentLines;

			end = nodeEnd
		}
		lineNodes[lineno] = append(lineNodes[lineno], n)
	}
	if start < 1 {
		start = 1
	}

	var src graph.Nodes
	for lineno := start; lineno <= end; lineno++ {
		line, ok := reader.line(file, lineno)
		if !ok {
			break
		}
		flat, cum := lineNodes[lineno].Sum()
		src = append(src, &graph.Node{
			Info: graph.NodeInfo{
				Name:   strings.TrimRight(line, "\n"),

		content, tf, err := analysisutil.ReadFile(pass, fname)
		if err != nil {
			return nil, err
		}

		lines := strings.SplitAfter(string(content), "\n")
		active := false
		for lineno, line := range lines {
			lineno++

			// Ignore comments and commented-out code.
			if i := strings.Index(line, "//"); i >= 0 {
				line = line[:i]
			}
			line = strings.TrimSpace(line)

	data, err := os.ReadFile(input)
	if err != nil {
		t.Error(err)
		return
	}
	lineno := 0
	lines := strings.Split(string(data), "\n")
	for _, line := range lines {
		lineno++

		fileline := fmt.Sprintf("%s:%d", input, lineno)
		if m := errRE.FindStringSubmatch(line); m != nil {
			all := m[1]
			mm := errQuotesRE.FindAllStringSubmatch(all, -1)
			if len(mm) != 1 {