enum as subtype

src/browser/dom/attribute.zig

@@ -27,7 +27,7 @@ const DOMException = @import("exceptions.zig").DOMException;
 pub const Attr = struct {
     pub const Self = parser.Attribute;
     pub const prototype = *Node;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn get_namespaceURI(self: *parser.Attribute) !?[]const u8 {
         return try parser.nodeGetNamespace(parser.attributeToNode(self));

src/browser/dom/cdata_section.zig

@@ -26,5 +26,5 @@ const Text = @import("text.zig").Text;
 pub const CDATASection = struct {
     pub const Self = parser.CDATASection;
     pub const prototype = *Text;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };

src/browser/dom/character_data.zig

@@ -38,7 +38,7 @@ pub const Interfaces = .{
 pub const CharacterData = struct {
     pub const Self = parser.CharacterData;
     pub const prototype = *Node;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     // JS funcs
     // --------

src/browser/dom/comment.zig

@@ -27,7 +27,7 @@ const SessionState = @import("../env.zig").SessionState;
 pub const Comment = struct {
     pub const Self = parser.Comment;
     pub const prototype = *CharacterData;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn constructor(data: ?[]const u8, state: *const SessionState) !*parser.Comment {
         return parser.documentCreateComment(

src/browser/dom/document.zig

@@ -39,7 +39,7 @@ const DOMImplementation = @import("implementation.zig").DOMImplementation;
 pub const Document = struct {
     pub const Self = parser.Document;
     pub const prototype = *Node;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn constructor(state: *const SessionState) !*parser.DocumentHTML {
         const doc = try parser.documentCreateDocument(

src/browser/dom/document_fragment.zig

@@ -27,7 +27,7 @@ const Node = @import("node.zig").Node;
 pub const DocumentFragment = struct {
     pub const Self = parser.DocumentFragment;
     pub const prototype = *Node;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn constructor(state: *const SessionState) !*parser.DocumentFragment {
         return parser.documentCreateDocumentFragment(

src/browser/dom/document_type.zig

@@ -26,7 +26,7 @@ const Node = @import("node.zig").Node;
 pub const DocumentType = struct {
     pub const Self = parser.DocumentType;
     pub const prototype = *Node;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn get_name(self: *parser.DocumentType) ![]const u8 {
         return try parser.documentTypeGetName(self);

src/browser/dom/element.zig

@@ -37,7 +37,7 @@ const DOMException = @import("exceptions.zig").DOMException;
 pub const Element = struct {
     pub const Self = parser.Element;
     pub const prototype = *Node;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub const DOMRect = struct {
         x: f64,

src/browser/dom/node.zig

@@ -60,7 +60,7 @@ pub const Union = generate.Union(Interfaces);
 pub const Node = struct {
     pub const Self = parser.Node;
     pub const prototype = *EventTarget;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn toInterface(node: *parser.Node) !Union {
         return switch (try parser.nodeType(node)) {

src/browser/dom/processing_instruction.zig

@@ -28,7 +28,7 @@ pub const ProcessingInstruction = struct {
     // TODO for libdom processing instruction inherit from node.
     // But the spec says it must inherit from CDATA.
     pub const prototype = *Node;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn get_target(self: *parser.ProcessingInstruction) ![]const u8 {
         // libdom stores the ProcessingInstruction target in the node's name.

src/browser/dom/text.zig

@@ -32,7 +32,7 @@ pub const Interfaces = .{
 pub const Text = struct {
     pub const Self = parser.Text;
     pub const prototype = *CharacterData;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn constructor(data: ?[]const u8, state: *const SessionState) !*parser.Text {
         return parser.documentCreateTextNode(

src/browser/html/document.zig

@@ -35,7 +35,7 @@ const Cookie = @import("../storage/cookie.zig").Cookie;
 pub const HTMLDocument = struct {
     pub const Self = parser.DocumentHTML;
     pub const prototype = *Document;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     // JS funcs
     // --------

src/browser/html/elements.zig

@@ -107,7 +107,7 @@ const CSSProperties = struct {};
 pub const HTMLElement = struct {
     pub const Self = parser.ElementHTML;
     pub const prototype = *Element;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn get_style(_: *parser.ElementHTML) CSSProperties {
         return .{};
@@ -143,7 +143,7 @@ pub const HTMLElement = struct {
 pub const HTMLMediaElement = struct {
     pub const Self = parser.MediaElement;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 // HTML elements
@@ -152,14 +152,14 @@ pub const HTMLMediaElement = struct {
 pub const HTMLUnknownElement = struct {
     pub const Self = parser.Unknown;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 // https://html.spec.whatwg.org/#the-a-element
 pub const HTMLAnchorElement = struct {
     pub const Self = parser.Anchor;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn get_target(self: *parser.Anchor) ![]const u8 {
         return try parser.anchorGetTarget(self);
@@ -405,284 +405,284 @@ pub const HTMLAnchorElement = struct {
 pub const HTMLAppletElement = struct {
     pub const Self = parser.Applet;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLAreaElement = struct {
     pub const Self = parser.Area;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLAudioElement = struct {
     pub const Self = parser.Audio;
     pub const prototype = *HTMLMediaElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLBRElement = struct {
     pub const Self = parser.BR;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLBaseElement = struct {
     pub const Self = parser.Base;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLBodyElement = struct {
     pub const Self = parser.Body;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLButtonElement = struct {
     pub const Self = parser.Button;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLCanvasElement = struct {
     pub const Self = parser.Canvas;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLDListElement = struct {
     pub const Self = parser.DList;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLDataElement = struct {
     pub const Self = parser.Data;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLDataListElement = struct {
     pub const Self = parser.DataList;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLDialogElement = struct {
     pub const Self = parser.Dialog;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLDirectoryElement = struct {
     pub const Self = parser.Directory;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLDivElement = struct {
     pub const Self = parser.Div;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLEmbedElement = struct {
     pub const Self = parser.Embed;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLFieldSetElement = struct {
     pub const Self = parser.FieldSet;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLFontElement = struct {
     pub const Self = parser.Font;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLFormElement = struct {
     pub const Self = parser.Form;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLFrameElement = struct {
     pub const Self = parser.Frame;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLFrameSetElement = struct {
     pub const Self = parser.FrameSet;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLHRElement = struct {
     pub const Self = parser.HR;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLHeadElement = struct {
     pub const Self = parser.Head;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLHeadingElement = struct {
     pub const Self = parser.Heading;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLHtmlElement = struct {
     pub const Self = parser.Html;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLIFrameElement = struct {
     pub const Self = parser.IFrame;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLImageElement = struct {
     pub const Self = parser.Image;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLInputElement = struct {
     pub const Self = parser.Input;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLLIElement = struct {
     pub const Self = parser.LI;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLLabelElement = struct {
     pub const Self = parser.Label;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLLegendElement = struct {
     pub const Self = parser.Legend;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLLinkElement = struct {
     pub const Self = parser.Link;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLMapElement = struct {
     pub const Self = parser.Map;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLMetaElement = struct {
     pub const Self = parser.Meta;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLMeterElement = struct {
     pub const Self = parser.Meter;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLModElement = struct {
     pub const Self = parser.Mod;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLOListElement = struct {
     pub const Self = parser.OList;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLObjectElement = struct {
     pub const Self = parser.Object;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLOptGroupElement = struct {
     pub const Self = parser.OptGroup;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLOptionElement = struct {
     pub const Self = parser.Option;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLOutputElement = struct {
     pub const Self = parser.Output;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLParagraphElement = struct {
     pub const Self = parser.Paragraph;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLParamElement = struct {
     pub const Self = parser.Param;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLPictureElement = struct {
     pub const Self = parser.Picture;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLPreElement = struct {
     pub const Self = parser.Pre;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLProgressElement = struct {
     pub const Self = parser.Progress;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLQuoteElement = struct {
     pub const Self = parser.Quote;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 // https://html.spec.whatwg.org/#the-script-element
 pub const HTMLScriptElement = struct {
     pub const Self = parser.Script;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 
     pub fn get_src(self: *parser.Script) !?[]const u8 {
         return try parser.elementGetAttribute(
@@ -797,103 +797,103 @@ pub const HTMLScriptElement = struct {
 pub const HTMLSelectElement = struct {
     pub const Self = parser.Select;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLSourceElement = struct {
     pub const Self = parser.Source;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLSpanElement = struct {
     pub const Self = parser.Span;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLStyleElement = struct {
     pub const Self = parser.Style;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTableElement = struct {
     pub const Self = parser.Table;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTableCaptionElement = struct {
     pub const Self = parser.TableCaption;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTableCellElement = struct {
     pub const Self = parser.TableCell;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTableColElement = struct {
     pub const Self = parser.TableCol;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTableRowElement = struct {
     pub const Self = parser.TableRow;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTableSectionElement = struct {
     pub const Self = parser.TableSection;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTemplateElement = struct {
     pub const Self = parser.Template;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTextAreaElement = struct {
     pub const Self = parser.TextArea;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTimeElement = struct {
     pub const Self = parser.Time;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTitleElement = struct {
     pub const Self = parser.Title;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLTrackElement = struct {
     pub const Self = parser.Track;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLUListElement = struct {
     pub const Self = parser.UList;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub const HTMLVideoElement = struct {
     pub const Self = parser.Video;
     pub const prototype = *HTMLElement;
-    pub const subtype = "node";
+    pub const subtype = .node;
 };
 
 pub fn toInterface(comptime T: type, e: *parser.Element) !T {

src/runtime/js.zig

@@ -96,9 +96,7 @@ pub fn Env(comptime S: type, comptime types: anytype) type {
                 @compileError(std.fmt.comptimePrint("Prototype '{s}' for type '{s} must be a pointer", .{ @typeName(Struct.prototype), @typeName(Struct) }));
             }
 
-            @setEvalBranchQuota(40_000); // The number of branches increases as we get more structs with the subtype field
+            const subtype: ?SubType = if (@hasDecl(Struct, "subtype")) Struct.subtype else null;
-            const subtype: ?SubType =
-                if (@hasDecl(Struct, "subtype")) std.meta.stringToEnum(SubType, Struct.subtype) else null;
 
             const R = Receiver(@field(types, s.name));
             fields[i] = .{