Add WebIDL generator.

src/WebIDL/CppSharp.WebIDL.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\AST\CppSharp.AST.csproj" />
+  </ItemGroup>
+</Project>

src/WebIDL/WebIDLGenerator.cs

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+using System;
+using CppSharp.AST;
+using WebIdlCSharp;
+
+namespace CppSharp.WebIDL
+{
+    public class WebIDLGenerator
+    {
+        public static Declaration ConvertWebIDLMemberNode(WebIdlMemberDefinition type)
+        {
+            switch (type.Type)
+            {
+                case "attribute":
+                {
+                    var prop = new Property();
+                    return prop;
+                }
+                case "constructor":
+                {
+                    var ctor = new Method {Kind = CXXMethodKind.Constructor};
+                    return ctor;
+                }
+                case "operation":
+                {
+                    var method = new Method {Kind = CXXMethodKind.Normal};
+                    return method;
+                }
+                case "const":
+                {
+                    var @const = new Variable();
+                    return @const;
+                }
+                case "iterable":
+                {
+                    var @const = new Variable();
+                    return @const;
+                }
+                default:
+                    throw new Exception($"Unknown member type definition: {type.Type}");
+            }
+        }
+
+        public static Declaration ConvertWebIDLNode(WebIdlTypeDefinition type)
+        {
+            Declaration decl;
+
+            switch (type.Type)
+            {
+                case "enum":
+                {
+                    decl = new Enumeration();
+                    break;
+                }
+                case "interface":
+                {
+                    decl = new Class();
+                    foreach (var member in type.Members)
+                        ConvertWebIDLMemberNode(member);
+                    break;
+                }
+                case "dictionary":
+                {
+                    decl = new Class();
+                    break;
+                }
+                case "callback":
+                {
+                    decl = new Class();
+                    break;
+                }
+                case "callback interface":
+                {
+                    decl = new Class();
+                    break;
+                }
+                case "interface mixin":
+                {
+                    decl = new Class();
+                    break;
+                }
+                case "includes":
+                {
+                    decl = new Class();
+                    break;
+                }
+                default:
+                    throw new Exception($"Unknown type definition: {type.Type}");
+            }
+
+            return decl;
+        }
+
+        public static void Main(string[] args)
+        {
+            var domPath = "/home/joao/dev/CppSharp/tests2/webidl/dom.json";
+            var types = WebIdlParser.LoadTypesFromFile(domPath);
+
+            var translationUnit = new TranslationUnit();
+
+            foreach (var type in types)
+            {
+                var decl = ConvertWebIDLNode(type);
+            }
+        }
+    }
+}

src/WebIDL/premake5.lua

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+SetupExternalManagedProject("CppSharp.WebIDL")

src/WebIDL/webidl-csharp

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+Subproject commit daf12d17074402551f6e1f65d65a8cf7be2e7b9b

tests2/webidl/.gitignore

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+node_modules

tests2/webidl/package-lock.json

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+{
+  "name": "webidl-json",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "webidl2": {
+      "version": "23.13.0",
+      "resolved": "https://registry.npmjs.org/webidl2/-/webidl2-23.13.0.tgz",
+      "integrity": "sha512-YfBvnpujLVLZ1zKP/aZO1XOtFhMUMFSnXjp88Q4iTMC/i1MUiv7YWq45SN8DrPHCjmnXhzjBouG0tJKg/+o0lg=="
+    }
+  }
+}

tests2/webidl/package.json

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+{
+  "name": "webidl-json",
+  "version": "1.0.0",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "webidl2": "^23.13.0"
+  },
+  "devDependencies": {},
+  "description": ""
+}

tests2/webidl/webidl-json.js

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+import * as fs from "fs";
+import webidl2 from "webidl2";
+
+const fileName = "/home/joao/dev/CppSharp/tests2/webidl/wpt/interfaces/dom.idl"
+const outputFileName = "dom.json"
+
+const content = fs.readFileSync(fileName);
+const parsingStructure = webidl2.parse(content.toString());
+fs.writeFileSync(outputFileName, JSON.stringify(parsingStructure, null, 2));

tests2/webidl/wpt

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+Subproject commit 5c315e92969ea106c6f03474d4b8e3b2bfbff9bf

tests2/webidl/yarn.lock

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+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+webidl2@^23.13.0:
+  version "23.13.0"
+  resolved "https://registry.yarnpkg.com/webidl2/-/webidl2-23.13.0.tgz#1f3766e52429a129d407867dd43ad2c9e6fa9040"
+  integrity sha512-YfBvnpujLVLZ1zKP/aZO1XOtFhMUMFSnXjp88Q4iTMC/i1MUiv7YWq45SN8DrPHCjmnXhzjBouG0tJKg/+o0lg==