Add Some Tests

.eslintignore

@@ -1,2 +0,0 @@
-/build
-/node_modules

.eslintrc

@@ -1,36 +0,0 @@
-{
-    "root": true,
-    "parser": "@typescript-eslint/parser",
-    "plugins": [
-        "@typescript-eslint"
-    ],
-    "extends": [
-        "eslint:recommended",
-        "plugin:@typescript-eslint/eslint-recommended",
-        "plugin:@typescript-eslint/recommended"
-    ],
-    "rules": {
-        "no-constant-condition": [
-            "error",
-            {
-                "checkLoops": false
-            }
-        ],
-        "quotes": [
-            "error",
-            "single",
-            {
-                "allowTemplateLiterals": true
-            }
-        ],
-        "semi": "error",
-        "indent": [
-            "error",
-            4,
-            {
-                "SwitchCase": 1
-            }
-        ],
-        "eqeqeq": "error"
-    }
-}

.gitea/workflows/build.yml

@@ -0,0 +1,24 @@
+name: 'CI'
+on:
+    push:
+        branches:
+          - master
+
+# Jobs
+jobs:
+    # Build Project
+    build:
+        name: Build
+        runs-on: ubuntu-latest
+        steps:
+          - name: Checkout Repository
+            uses: actions/checkout@v4
+          # Dependencies
+          - name: Install Dependencies
+            run: npm ci
+          # Test
+          - name: Build
+            run: npm test
+          # Lint
+          - name: Lint
+            run: npm run lint

data/out.cpp

@@ -0,0 +1,10 @@
+#define LEAN_SYMBOLS_HEADER
+#include "{{ headerPath }}"
+
+// Thunk Template
+template <auto *const *func>
+decltype(auto) __thunk(auto... args) {
+    return (*func)->get_thunk_target()(std::forward<decltype(args)>(args)...);
+}
+
+{{ main }}

data/out.h

@@ -0,0 +1,174 @@
+#pragma once
+
+// Check Architecture
+#ifndef __arm__
+#error "Symbols Are ARM-Only"
+#endif
+
+// Headers
+#include <variant>
+#include <functional>
+#include <cstddef>
+#include <string>
+#include <vector>
+#include <map>
+#include <type_traits>
+#include <cstring>
+
+// Internal Macros
+#define __PREVENT_DESTRUCTION(self) \
+    ~self() = delete
+#define __PREVENT_CONSTRUCTION(self) \
+    self() = delete; \
+    __PREVENT_DESTRUCTION(self)
+#define __PREVENT_COPY(self) \
+    self(const self &) = delete; \
+    self &operator=(const self &) = delete
+
+// Virtual Function Information
+struct __VirtualFunctionInfo {
+    // Constructors
+    template <typename Ret, typename Self, typename Super, typename... Args>
+    __VirtualFunctionInfo(Ret (**const addr_)(Self, Args...), Ret (*const parent_)(Super, Args...)):
+        addr((void **) addr_),
+        parent((void *) parent_) {}
+    template <typename T>
+    __VirtualFunctionInfo(T **const addr_, const std::nullptr_t parent_):
+        __VirtualFunctionInfo(addr_, (T *) parent_) {}
+    // Method
+    [[nodiscard]] bool can_overwrite() const {
+        return *addr != parent;
+    }
+    // Properties
+    void **const addr;
+    void *const parent;
+};
+
+// Thunks
+typedef void *(*thunk_enabler_t)(void *target, void *thunk);
+extern thunk_enabler_t thunk_enabler;
+
+// Function Information
+template <typename T>
+class __Function;
+template <typename Ret, typename... Args>
+class __Function<Ret(Args...)> {
+    // Prevent Copying
+    __PREVENT_COPY(__Function);
+    __PREVENT_DESTRUCTION(__Function);
+
+public:
+    // Types
+    typedef Ret (*ptr_type)(Args...);
+    typedef std::function<Ret(Args...)> type;
+    typedef std::function<Ret(const type &, Args...)> overwrite_type;
+
+    // Normal Function
+    __Function(const std::string name_, const ptr_type thunk_, const ptr_type func_):
+        func(func_),
+        enabled(true),
+        name(name_),
+        backup(func_),
+        thunk(thunk_) {}
+    // Virtual Function
+    template <typename Parent>
+    __Function(const std::string name_, const ptr_type thunk_, ptr_type *const func_, const Parent parent):
+        func(__VirtualFunctionInfo(func_, parent)),
+        enabled(std::get<__VirtualFunctionInfo>(func).can_overwrite()),
+        name(name_),
+        backup(*get_vtable_addr()),
+        thunk(thunk_) {}
+
+    // Overwrite Function
+    [[nodiscard]] bool overwrite(overwrite_type target) {
+        // Check If Enabled
+        if (!enabled) {
+            return false;
+        }
+        // Enable Thunk
+        enable_thunk();
+        // Overwrite
+        type original = get_thunk_target();
+        thunk_target = [original, target](Args... args) {
+            return target(original, std::forward<Args>(args)...);
+        };
+        return true;
+    }
+
+    // Getters
+    [[nodiscard]] ptr_type get(bool result_will_be_stored) {
+        if (!enabled) {
+            return nullptr;
+        } else {
+            if (result_will_be_stored) {
+                enable_thunk();
+            }
+            if (is_virtual()) {
+                return *get_vtable_addr();
+            } else {
+                return std::get<ptr_type>(func);
+            }
+        }
+    }
+    [[nodiscard]] ptr_type *get_vtable_addr() const {
+        return (ptr_type *) std::get<__VirtualFunctionInfo>(func).addr;
+    }
+    [[nodiscard]] type get_thunk_target() const {
+        if (thunk_target) {
+            return thunk_target;
+        } else {
+            return backup;
+        }
+    }
+
+private:
+    // Current Function
+    std::variant<ptr_type, __VirtualFunctionInfo> func;
+    [[nodiscard]] bool is_virtual() const {
+        return func.index() == 1;
+    }
+
+public:
+    // State
+    const bool enabled;
+    const std::string name;
+
+    // Backup Of Original Function Pointer
+    const ptr_type backup;
+
+private:
+    // Thunk
+    const ptr_type thunk;
+    type thunk_target;
+    bool thunk_enabled = false;
+    void enable_thunk() {
+        if (!thunk_enabled && enabled) {
+            ptr_type real_thunk = (ptr_type) thunk_enabler((void *) backup, (void *) thunk);
+            if (!is_virtual()) {
+                func = real_thunk;
+            }
+            thunk_enabled = true;
+        }
+    }
+};
+
+// Shortcuts
+typedef unsigned char uchar;
+typedef unsigned short ushort;
+typedef unsigned int uint;
+
+// Forward Declarations
+{{ forwardDeclarations }}
+
+// Extra Headers
+{{ extraHeaders }}
+
+// Warnings
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Winvalid-offsetof"
+#pragma GCC diagnostic ignored "-Wshadow"
+
+{{ main }}
+
+// Cleanup Warnings
+#pragma GCC diagnostic pop

eslint.config.mjs

@@ -0,0 +1,61 @@
+// @ts-check
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import * as path from 'node:path';
+import * as url from 'node:url';
+
+export default tseslint.config(
+    eslint.configs.recommended,
+    tseslint.configs.strictTypeChecked,
+    tseslint.configs.stylisticTypeChecked,
+    {
+        languageOptions: {
+            parserOptions: {
+                projectService: {
+                    allowDefaultProject: [
+                        'eslint.config.mjs'
+                    ]
+                },
+                tsconfigRootDir: path.dirname(url.fileURLToPath(import.meta.url))
+            }
+        },
+        rules: {
+            '@typescript-eslint/no-unnecessary-condition': [
+                'error',
+                {
+                    allowConstantLoopConditions: 'only-allowed-literals'
+                }
+            ],
+            quotes: [
+                'error',
+                'single',
+                {
+                    allowTemplateLiterals: true
+                }
+            ],
+            semi: 'error',
+            indent: [
+                'error',
+                4,
+                {
+                    SwitchCase: 1
+                }
+            ],
+            eqeqeq: 'error'
+        }
+    },
+    {
+        ignores: [
+            'build/',
+            'node_modules/'
+        ]
+    },
+    {
+        files: [
+            'src/test/**/*'
+        ],
+        rules: {
+            '@typescript-eslint/no-floating-promises': 'off'
+        }
+    }
+);

package.json

@@ -4,18 +4,19 @@
     "description": "",
     "main": "build/index.js",
     "scripts": {
-        "start": "tsc && node build/index.js",
-        "lint": "eslint . --ext .ts"
+        "build": "rm -rf build && tsc",
+        "start": "npm run build && node build/index.js",
+        "lint": "eslint .",
+        "test": "npm run build && node --test build/test"
     },
     "author": "TheBrokenRail",
     "license": "MIT",
     "devDependencies": {
-        "@tsconfig/node-lts": "^18.12.5",
-        "@tsconfig/strictest": "^2.0.2",
-        "@types/node": "^20.10.6",
-        "@typescript-eslint/eslint-plugin": "^6.17.0",
-        "@typescript-eslint/parser": "^6.17.0",
-        "eslint": "^8.56.0",
-        "typescript": "^5.3.3"
+        "@tsconfig/node18": "^18.2.4",
+        "@tsconfig/strictest": "^2.0.5",
+        "@types/node": "^22.13.4",
+        "eslint": "^9.20.1",
+        "typescript": "^5.7.3",
+        "typescript-eslint": "^8.24.0"
     }
 }

src/common.ts

@@ -1,38 +1,61 @@
 import * as fs from 'node:fs';
+import * as path from 'node:path';
 
+// Constants
 export const INDENT = '    ';
 export const POINTER_SIZE = 4;
 export const RTTI_SIZE = POINTER_SIZE;
 export const EXTENSION = '.def';
-export const STRUCTURE_FILES: {[id: string]: string} = {};
+export const STRUCTURE_FILES: Record<string, string> = {};
+export const COMMENT = '//';
+export const INTERNAL = '__';
+export const LEAN_HEADER_GUARD = '#ifndef LEAN_SYMBOLS_HEADER\n';
+// Read Definition File
 export function readDefinition(name: string) {
     if (!STRUCTURE_FILES[name]) {
         throw new Error(`Missing Definition File: ${name}${EXTENSION}`);
     }
-    return fs.readFileSync(STRUCTURE_FILES[name]!, {encoding: 'utf8'});
+    return fs.readFileSync(STRUCTURE_FILES[name], {encoding: 'utf8'});
 }
-export function syntaxError(message?: string) {
-    throw new Error('Syntax Error' + (message ? `: ${message}` : ''));
+// Error Handling
+export function extendErrorMessage(e: unknown, message: string) {
+    let extra: string | null = null;
+    if (typeof e === 'string') {
+        extra = e;
+    } else if (e instanceof Error) {
+        extra = e.message;
+    }
+    if (extra) {
+        message += ': ' + extra;
+    }
+    return message;
 }
+export function syntaxError(message?: string): never {
+    throw new Error(extendErrorMessage(message, 'Syntax Error'));
+}
+// Convert 'int x' Into {type: 'int', name: 'x'}
+const POINTER_TOKENS = ['*', '&'];
 export function parseTypeAndName(piece: string) {
     // Split On Last Space
     const index = piece.lastIndexOf(' ');
     if (index === -1) {
         syntaxError('Unable To Find Name/Type Divider');
     }
-    let name = piece.substring(index + 1)!;
-    let type = piece.substring(0, index)!;
+    let name = piece.substring(index + 1);
+    let type = piece.substring(0, index);
     // Move Asterisks From Name To Type
-    while (name.startsWith('*')) {
+    while (POINTER_TOKENS.some(x => name.startsWith(x))) {
+        const x = name.substring(0, 1);
         name = name.substring(1);
-        if (!type.endsWith('*')) {
+        if (!POINTER_TOKENS.some(x => type.endsWith(x))) {
             type += ' ';
         }
-        type += '*';
+        type += x;
     }
     // Return
     return {type, name};
 }
+// Convert To Uppercase-Snake-Case
 export function toUpperSnakeCase(str: string) {
     let wasUpper = false;
     let nextIsUpper = false;
@@ -55,26 +78,22 @@ export function toUpperSnakeCase(str: string) {
     }
     return out;
 }
+// Convert 'int' To 'int ' But Leave 'int *' As Is
 export function formatType(type: string) {
-    if (!type.endsWith('*')) {
+    if (!POINTER_TOKENS.some(x => type.endsWith(x))) {
         type += ' ';
     }
     return type;
 }
-export const COMMENT = '//';
+// Convert Number To Hexadecimal
 export function toHex(x: number) {
     return '0x' + x.toString(16);
 }
+// Generate C++ Size Assertion
 export function assertSize(name: string, size: number) {
-    let out = '';
-    // Define Size Macro
-    const macro = toUpperSnakeCase(name) + '_SIZE';
-    out += `#define ${macro} ${toHex(size)}\n`;
-    // Check Size
-    out += `static_assert(sizeof(${name}) == ${macro}, "Invalid Size");\n`;
-    // Return
-    return out;
+    return `static_assert(sizeof(${name}) == ${toHex(size)}, "Invalid Size");\n`;
 }
+// Parse Integer With Error Checking
 export function safeParseInt(str: string) {
     const x = parseInt(str);
     if (isNaN(x)) {
@@ -82,42 +101,45 @@ export function safeParseInt(str: string) {
     }
     return x;
 }
+// Generate "Self" Argument For Functions
 export function getSelfArg(type: string) {
     return `${type} *self`;
 }
-export function getArgNames(args: string) {
-    // Remove Parentheses
-    args = args.substring(1, args.length - 1);
-    if (args.length === 0) {
-        return [];
-    }
-    // Split
-    const argsList = args.split(',');
-    // Parse
-    const out = [];
-    for (let arg of argsList) {
-        arg = arg.trim();
-        // Remove Type
-        const nameStart = Math.max(arg.lastIndexOf(' '), arg.lastIndexOf('*')) + 1;
-        arg = arg.substring(nameStart);
-        // Collect
-        out.push(arg);
-    }
-    // Return
-    return out;
-}
+// Prepend Argument To Function
 export function prependArg(args: string, arg: string) {
     if (args !== '()') {
         arg += ', ';
     }
     return '(' + arg + args.substring(1);
 }
-export function removeFirstArg(args: string) {
-    let index = args.indexOf(',');
-    if (index === -1) {
-        index = args.indexOf(')');
-    } else {
-        index++;
+// Get Data Directory
+export function getDataDir() {
+    return path.join(__dirname, '..', 'data');
+}
+// Format File From Data Directory
+export function formatFile(file: string, options: Record<string, string>) {
+    // Include Other Files
+    const dataDir = getDataDir();
+    const otherFiles = fs.readdirSync(dataDir);
+    for (let otherFile of otherFiles) {
+        otherFile = path.join(dataDir, otherFile);
+        options[`include ${otherFile}`] = fs.readFileSync(otherFile, 'utf8');
     }
-    return '(' + args.substring(index).trim();
+    // Format
+    file = path.join(dataDir, file);
+    let data = fs.readFileSync(file, 'utf8');
+    for (const key in options) {
+        const value = options[key];
+        if (value) {
+            data = data.replace(`{{ ${key} }}`, value);
+        }
+    }
+    return data.trim() + '\n';
+}
+// Generate Code That Will Disable C++ Construction
+export function preventConstruction(self: string) {
+    let out = '';
+    out += `${INDENT}${INTERNAL}PREVENT_CONSTRUCTION(${self});\n`;
+    out += `${INDENT}${INTERNAL}PREVENT_COPY(${self});\n`;
+    return out;
 }

src/index.ts

@@ -1,45 +1,56 @@
 import * as fs from 'node:fs';
-import { STRUCTURE_FILES, EXTENSION, INDENT } from './common';
+import * as path from 'node:path';
+import { STRUCTURE_FILES, EXTENSION, formatFile, getDataDir, extendErrorMessage } from './common';
 import { getStructure } from './map';
 import { Struct } from './struct';
 
-// Arguments
-if (process.argv.length < 5) {
-    console.log('USAGE: npm start -- <Source Output File> <Header Output File> <Input Files...>');
+// Handle Errors
+process.on('uncaughtException', function (e) {
+    console.error('Error: ' + e.message);
     process.exit(1);
+});
+
+// Arguments
+function nextArgument() {
+    const out = process.argv.shift();
+    if (!out) {
+        throw new Error('Not Enough Arguments!');
+    }
+    return out;
 }
-process.argv.shift();
-process.argv.shift();
+nextArgument();
+nextArgument();
+// Output Files
 function invalidFileType(file: string) {
     throw new Error(`Invalid File Type: ${file}`);
 }
-const sourceOutput = process.argv.shift()!;
-if (!sourceOutput.endsWith('.cpp')) {
-    invalidFileType(sourceOutput);
-}
-const headerOutput = process.argv.shift()!;
+const sourceOutput = nextArgument();
+fs.rmSync(sourceOutput, {force: true, recursive: true});
+fs.mkdirSync(sourceOutput, {recursive: true});
+const headerOutput = nextArgument();
 if (!headerOutput.endsWith('.h')) {
     invalidFileType(headerOutput);
 }
-const extraHeaders: string[] = [];
+// Input Files
+const extraHeaderFiles: string[] = [];
 while (process.argv.length > 0) {
-    const file = process.argv.shift()!;
-    if (file.endsWith(EXTENSION)) {
+    const filePath = nextArgument();
+    const file = path.parse(filePath);
+    if (file.ext === EXTENSION) {
         // Get Class Name
-        const parts = file.split('/');
-        let name = parts[parts.length - 1]!;
-        name = name.substring(0, name.length - EXTENSION.length);
+        const fullName = file.base;
+        const name = file.name;
         // Store
         if (name in STRUCTURE_FILES) {
-            throw new Error(`Multiple Definition Files Provided: ${name}${EXTENSION}`);
+            throw new Error(`Multiple Definition Files Provided: ${fullName}`);
         }
-        STRUCTURE_FILES[name] = file;
-    } else if (file.endsWith('.h')) {
+        STRUCTURE_FILES[name] = filePath;
+    } else if (file.ext === '.h') {
         // Extra Headers
-        extraHeaders.push(file);
+        extraHeaderFiles.push(filePath);
     } else {
         // Invalid File Type
-        invalidFileType(file);
+        invalidFileType(filePath);
     }
 }
 
@@ -52,9 +63,9 @@ function loadSymbols() {
     }
     // Sort
     structureObjects.sort((a, b) => {
-        if (a.getName() > b.getName()) {
+        if (a.name > b.name) {
             return 1;
-        } else if (a.getName() < b.getName()) {
+        } else if (a.name < b.name) {
             return -1;
         } else {
             return 0;
@@ -67,7 +78,7 @@ function loadSymbols() {
 // Sort Structures By Dependency
 function dependencySort(structureObjects: Struct[]) {
     let loops = 0;
-    const MAX_LOOPS = 100;
+    const MAX_LOOPS = 1000;
     while (true) {
         if (loops > MAX_LOOPS) {
             throw new Error('Unable To Sort Dependencies');
@@ -112,105 +123,75 @@ function makeHeaderPart() {
 
     // Generate Code
     let structures = '';
-    let isFirst = true;
     for (const structure of structureObjects) {
-        const name = structure.getName();
-        if (isFirst) {
-            isFirst = false;
-        } else {
-            structures += '\n';
-        }
+        const name = structure.name;
         structures += `// ${name}\n`;
         try {
             structures += structure.generate();
         } catch (e) {
-            console.log(`Error Generating Header: ${name}: ${e instanceof Error ? e.stack : e}`);
-            process.exit(1);
+            throw new Error(extendErrorMessage(e, 'Error Generating Header: ' + name));
         }
+        structures += '\n';
     }
 
     // Return
-    let result = '';
-    result += '// Init\n';
-    result += 'void init_symbols();\n\n';
-    result += structures;
-    return result;
+    return structures;
 }
 
 // Create Main Header
 function makeMainHeader(output: string) {
-    let result = '';
-    result += '#pragma once\n';
-    result += '\n// Check Architecture\n';
-    result += '#ifndef __arm__\n';
-    result += '#error "Symbols Are ARM-Only"\n';
-    result += '#endif\n';
-    result += '\n// Shortcuts\n';
-    result += 'typedef unsigned char uchar;\n';
-    result += 'typedef unsigned short ushort;\n';
-    result += 'typedef unsigned int uint;\n';
-    result += '\n// Forward Declarations\n';
+    // Forward Declarations
+    let forwardDeclarations = '';
     for (const name in STRUCTURE_FILES) {
-        result += `typedef struct ${name} ${name};\n`;
+        forwardDeclarations += `typedef struct ${name} ${name};\n`;
     }
-    result += '\n// Extra Headers\n';
-    for (const file of extraHeaders) {
-        result += fs.readFileSync(file, {encoding: 'utf8'});
+    forwardDeclarations = forwardDeclarations.trim();
+    // Extra Headers
+    let extraHeaders = '';
+    for (const file of extraHeaderFiles) {
+        extraHeaders += fs.readFileSync(file, {encoding: 'utf8'});
     }
-    result += '\n// Headers\n';
-    result += '#include <cstddef>\n';
-    result += '#include <string>\n';
-    result += '#include <vector>\n';
-    result += '#include <map>\n';
-    result += '\n// Warnings\n';
-    result += '#pragma GCC diagnostic push\n';
-    result += '#pragma GCC diagnostic ignored "-Winvalid-offsetof"\n';
-    result += '#pragma GCC diagnostic ignored "-Wshadow"\n\n';
-    result += makeHeaderPart();
-    result += '\n// Cleanup Warnings\n';
-    result += '#pragma GCC diagnostic pop\n';
+    extraHeaders = extraHeaders.trim();
+    // Main
+    const main = makeHeaderPart().trim();
+    // Write
+    const result = formatFile('out.h', {forwardDeclarations, extraHeaders, main, data: getDataDir()});
     fs.writeFileSync(output, result);
 }
 makeMainHeader(headerOutput);
 
 // Generate Compiled Code
-function makeCompiledCode(output: string) {
+function makeCompiledCode(outputDir: string) {
     // Load Symbols
     const structureObjects = loadSymbols();
 
     // Generate
-    let declarations = '';
-    let init = '';
-    let isFirst = true;
+    let first = true;
     for (const structure of structureObjects) {
-        const name = structure.getName();
-        if (isFirst) {
-            isFirst = false;
-        } else {
-            declarations += '\n';
-            init += '\n';
+        // Thunks
+        let declarations = '';
+        if (first) {
+            first = false;
+            declarations += '// Thunk Enabler\n';
+            declarations += 'thunk_enabler_t thunk_enabler;\n\n';
         }
-        declarations += `// ${name}\n`;
-        init += `${INDENT}// ${name}\n`;
-        try {
-            const code = structure.generateCode();
-            declarations += code.functions;
-            init += code.init;
-        } catch (e) {
-            console.log(`Error Generating Code: ${name}: ${e instanceof Error ? e.stack : e}`);
-            process.exit(1);
-        }
-    }
 
-    // Write
-    let result = '';
-    result += `#include "${fs.realpathSync(headerOutput)}"\n`;
-    result += '\n#include <cstring>\n';
-    result += '\n// Init\n';
-    result += 'void init_symbols() {\n';
-    result += init;
-    result += '}\n\n';
-    result += declarations;
-    fs.writeFileSync(output, result);
+        // Structure
+        const name = structure.name;
+        declarations += `// ${name}\n`;
+        try {
+            declarations += structure.generateCode().trim();
+        } catch (e) {
+            throw new Error(extendErrorMessage(e, 'Error Generating Code: ' + name));
+        }
+        declarations += '\n';
+
+        // Write
+        const headerPath = fs.realpathSync(headerOutput);
+        const main = declarations.trim();
+        const result = formatFile('out.cpp', {headerPath, main, data: getDataDir()});
+        const output = path.join(outputDir, name + '.cpp');
+        fs.writeFileSync(output, result);
+    }
 }
 makeCompiledCode(sourceOutput);

src/loader.ts

@@ -1,28 +1,32 @@
-import { COMMENT, EXTENSION, getSelfArg, parseTypeAndName, prependArg, readDefinition, safeParseInt, syntaxError } from './common';
+import { COMMENT, extendErrorMessage, EXTENSION, getSelfArg, parseTypeAndName, prependArg, readDefinition, safeParseInt, syntaxError } from './common';
 import { Method } from './method';
 import { Property, StaticProperty } from './property';
 import { Struct } from './struct';
 
 // Error Handling
-export class ErrorOnLine {
-    readonly error: unknown;
-    readonly file: string;
-    readonly line: number;
-    constructor (error: unknown, file: string, line: number) {
-        this.error = error;
-        this.file = file;
-        this.line = line;
+export class ErrorOnLine extends Error {
+    constructor (e: unknown, file: string, line: number) {
+        // Get Message
+        let message: string;
+        if (e instanceof ErrorOnLine) {
+            message = e.message;
+        } else {
+            message = extendErrorMessage(e, file + ':' + line.toString());
+        }
+        // Call Constructor
+        super(message);
+        Object.setPrototypeOf(this, ErrorOnLine.prototype);
     }
 }
 
 // Parse Property
 function parseProperty(args: string) {
-    const parts = args.split(' = ');
-    if (parts.length !== 2) {
+    const [a, b] = args.split(' = ');
+    if (!a || !b) {
         syntaxError('Invalid Piece Count');
     }
-    const {type, name} = parseTypeAndName(parts[0]!);
-    const offset = safeParseInt(parts[1]!);
+    const {type, name} = parseTypeAndName(a);
+    const offset = safeParseInt(b);
     return {type, name, offset};
 }
 
@@ -35,10 +39,10 @@ function parseMethod(args: string, self: string, insertSelfArg: boolean, isInher
     const start = args.substring(0, argsStart).trim();
     const {type, name} = parseTypeAndName(start);
     const end = args.substring(argsStart).trim().split(' = ');
-    if (end.length !== 2) {
+    if (!end[0] || !end[1]) {
         syntaxError('Invalid Piece Count');
     }
-    let methodArgs = end[0]!;
+    let methodArgs = end[0];
     if (!methodArgs.startsWith('(') || !methodArgs.endsWith(')')) {
         syntaxError('Invalid Method Arguments');
     }
@@ -46,7 +50,7 @@ function parseMethod(args: string, self: string, insertSelfArg: boolean, isInher
         const selfArg = getSelfArg(self);
         methodArgs = prependArg(methodArgs, selfArg);
     }
-    const address = safeParseInt(end[1]!);
+    const address = safeParseInt(end[1]);
     return new Method(self, name, type, methodArgs, address, isInherited, !insertSelfArg);
 }
 
@@ -116,29 +120,29 @@ export function load(target: Struct, name: string, isExtended: boolean) {
                 case 'vtable-size': {
                     // Set VTable Size
                     if (!isExtended) {
-                        target.setVTableSize(safeParseInt(args));
+                        target.getVTable().setSize(safeParseInt(args));
                     }
                     break;
                 }
                 case 'vtable': {
                     // Set VTable Address
-                    target.ensureVTable();
+                    const vtable = target.getVTable();
                     if (!isExtended && args.length > 0) {
-                        target.setVTableAddress(safeParseInt(args));
+                        vtable.setAddress(safeParseInt(args));
                     }
                     break;
                 }
                 case 'property': {
                     // Add Property
                     const info = parseProperty(args);
-                    target.addProperty(new Property(info.offset, info.type, info.name, target.getName()));
+                    target.addProperty(new Property(info.offset, info.type, info.name, target.name));
                     break;
                 }
                 case 'static-property': {
                     // Add Static Property
                     if (!isExtended) {
                         const info = parseProperty(args);
-                        target.addStaticProperty(new StaticProperty(info.offset, info.type, info.name, target.getName()));
+                        target.addStaticProperty(new StaticProperty(info.offset, info.type, info.name, target.name));
                     }
                     break;
                 }
@@ -150,14 +154,14 @@ export function load(target: Struct, name: string, isExtended: boolean) {
                 }
                 case 'virtual-method': {
                     // Add Virtual Method
-                    const method = parseMethod(args, target.getName(), true, isExtended);
+                    const method = parseMethod(args, target.name, true, isExtended);
                     target.addMethod(method, true);
                     break;
                 }
                 case 'static-method': {
                     // Add Static Method
                     if (!isExtended) {
-                        const method = parseMethod(args, target.getName(), false, false);
+                        const method = parseMethod(args, target.name, false, false);
                         target.addMethod(method, false);
                     }
                     break;
@@ -165,7 +169,7 @@ export function load(target: Struct, name: string, isExtended: boolean) {
                 case 'constructor': {
                     // Constructor
                     if (!isExtended) {
-                        let data = `${target.getName()} *constructor`;
+                        let data = `${target.name} *constructor`;
                         if (args.startsWith('(')) {
                             // No Custom Name
                             data += ' ';
@@ -174,14 +178,22 @@ export function load(target: Struct, name: string, isExtended: boolean) {
                             data += '_';
                         }
                         data += args;
-                        const method = parseMethod(data, target.getName(), true, false);
+                        const method = parseMethod(data, target.name, true, false);
                         target.addMethod(method, false);
                     }
                     break;
                 }
                 case 'vtable-destructor-offset': {
                     // Set VTable Destructor Offset
-                    target.setVTableDestructorOffset(safeParseInt(args));
+                    target.getVTable().setDestructorOffset(safeParseInt(args));
+                    break;
+                }
+                case 'mark-as-simple': {
+                    // Mark As Simple
+                    if (isExtended) {
+                        throw new Error('Cannot Extend Simple Structure');
+                    }
+                    target.markAsSimple();
                     break;
                 }
                 default: {
@@ -189,9 +201,6 @@ export function load(target: Struct, name: string, isExtended: boolean) {
                 }
             }
         } catch (e) {
-            if (e instanceof ErrorOnLine) {
-                throw e;
-            }
             // Find Line Number
             let lineNumber = 1;
             for (let i = 0; i <= startOfCommand; i++) {

src/map.ts

@@ -1,14 +1,14 @@
 import { Struct } from './struct';
-import { ErrorOnLine, load } from './loader';
+import { load } from './loader';
 
 // Store Loaded Structures
-const structures: {[id: string]: Struct} = {};
+const structures: Record<string, Struct> = {};
 
 // Get Or Load Structure
 export function getStructure(name: string) {
-    if (name in structures) {
+    if (structures[name]) {
         // Already Loaded
-        return structures[name]!;
+        return structures[name];
     } else {
         // Load Structure
         try {
@@ -20,14 +20,11 @@ export function getStructure(name: string) {
             // Return
             return target;
         } catch (e) {
-            let error = e;
-            let extra = '';
-            if (e instanceof ErrorOnLine) {
-                extra = `${e.file}:${e.line}: `;
-                error = e.error;
+            let message = 'Error Loading ' + name;
+            if (e instanceof Error) {
+                message += ': ' + e.message;
             }
-            console.log(`Error Loading ${name}: ${extra}${error instanceof Error ? error.stack : error}`);
-            process.exit(1);
+            throw new Error(message);
         }
     }
 }

src/method.ts

@@ -1,4 +1,4 @@
-import { INDENT, formatType, getArgNames } from './common';
+import { INDENT, INTERNAL, formatType, toHex } from './common';
 
 export class Method {
     readonly self: string;
@@ -7,7 +7,6 @@ export class Method {
     readonly args: string;
     readonly address: number;
     readonly isInherited: boolean;
-    readonly hasVarargs: boolean;
     readonly isStatic: boolean;
 
     // Constructor
@@ -18,56 +17,55 @@ export class Method {
         this.args = args;
         this.address = address;
         this.isInherited = isInherited;
-        this.hasVarargs = this.args.includes('...');
         this.isStatic = isStatic;
     }
 
-    // Get Type
-    getNameWithCustomSelf(self: string) {
-        return `${self}_${this.shortName}`;
-    }
-    getName() {
-        return this.getNameWithCustomSelf(this.self);
+    // Getters
+    getName(separator = '_') {
+        return this.self + separator + this.shortName;
     }
     getType() {
-        return `${this.getName()}_t`;
+        return this.getName() + '_t';
+    }
+    #getRawType() {
+        return INTERNAL + 'raw_' + this.getType();
+    }
+    getProperty() {
+        return `${INDENT}${this.#getRawType()} *${this.shortName};\n`;
+    }
+    #getFullType() {
+        return `${INTERNAL}Function<${this.#getRawType()}>`;
     }
 
-    // Generate Type Definition
-    generateTypedef() {
+    // Typedefs
+    generateTypedefs() {
         let out = '';
-
-        // Normal Definition
-        const returnType = formatType(this.returnType);
-        out += `typedef ${returnType}(*${this.getType()})${this.args};\n`;
-
-        // Fancy Overwrite Does Not Support Varargs
-        if (!this.hasVarargs) {
-            // Overwrite Helper
-            out += `#define __overwrite_helper_for_${this.getName()}(method, original) \\\n`;
-            out += `${INDENT}[]${this.args} { \\\n`;
-            out += `${INDENT}${INDENT}${returnType.trim() === 'void' ? '' : 'return '}method(${['original'].concat(getArgNames(this.args)).join(', ')}); \\\n`;
-            out += `${INDENT}}\n`;
-        }
-
-        // Return
+        out += `typedef ${formatType(this.returnType.trim())}${this.#getRawType()}${this.args.trim()};\n`;
+        out += `typedef const std::function<${this.#getRawType()}> &${this.getType()};\n`;
         return out;
     }
 
-    // Generate Variable Definition
-    generateDefinition(nameSuffix?: string) {
-        return `${this.getType()} ${this.getName()}${nameSuffix !== undefined ? nameSuffix : ''};\n`;
+    // Overwrite Helper
+    #getVirtualCall(self: string = this.self) {
+        return `${self}_vtable::base->${this.shortName}`;
     }
-
-    // Generate "New Method" Test
-    generateNewMethodTest(parent: string | null, prefix: string, suffix: string) {
-        let out = `#define __is_new_method_${this.getName()}() (`;
-        if (!this.isInherited) {
-            out += 'true';
-        } else {
-            out += `((void *) ${prefix}${this.getName()}${suffix}) != ((void *) ${prefix}${this.getNameWithCustomSelf(parent!)}${suffix})`;
+    generate(code: boolean, isVirtual: boolean, parentSelf?: string) {
+        let out = '';
+        out += 'extern ';
+        const type = this.#getFullType();
+        out += `${type} *const ${this.getName()}`;
+        if (code) {
+            out += ` = new ${type}(${JSON.stringify(this.getName('::'))}, `;
+            out += `${INTERNAL}thunk<&${this.getName()}>, `;
+            if (isVirtual) {
+                const parentMethod = parentSelf ? this.#getVirtualCall(parentSelf) : 'nullptr';
+                out += `&${this.#getVirtualCall()}, ${parentMethod}`;
+            } else {
+                out += `(${this.#getRawType()} *) ${toHex(this.address)}`;
+            }
+            out += ')';
         }
-        out += ')\n';
+        out += ';\n';
         return out;
     }
 }

src/property.ts

@@ -1,4 +1,4 @@
-import { formatType } from './common';
+import { INTERNAL, formatType } from './common';
 
 export class Property {
     readonly offset: number;
@@ -16,7 +16,7 @@ export class Property {
 
     // Getters
     type() {
-        return `__type_${this.fullName()}`;
+        return `${INTERNAL}type_${this.fullName()}`;
     }
     typedef() {
         let arrayInfo = '';
@@ -34,8 +34,14 @@ export class Property {
         }
         return name;
     }
+    #fullName(separator: string) {
+        return this.#self + separator + this.name();
+    }
     fullName() {
-        return `${this.#self}_${this.name()}`;
+        return this.#fullName('_');
+    }
+    prettyName() {
+        return this.#fullName('::');
     }
     rawType() {
         return this.#type;
@@ -43,18 +49,8 @@ export class Property {
 }
 
 export class StaticProperty extends Property {
-    // Constructor
-    constructor(address: number, type: string, name: string, self: string) {
-        super(address, type, name, self);
-    }
-
-    // Generate Variable Definition
-    globalPointerDefinition() {
-        return `${this.type()} *${this.fullName()}_pointer;\n`;
-    }
-
-    // Generate Macro
-    macro() {
-        return `#define ${this.fullName()} (*${this.fullName()}_pointer)\n`;
+    // Reference
+    referenceDefinition(addSelf: boolean) {
+        return `${this.type()} &${addSelf ? this.prettyName() : this.name()}`;
     }
 }

src/struct.ts

@@ -1,10 +1,10 @@
-import { INDENT, STRUCTURE_FILES, toHex, assertSize, formatType, getArgNames, removeFirstArg } from './common';
+import { INDENT, STRUCTURE_FILES, toHex, assertSize, INTERNAL, preventConstruction, LEAN_HEADER_GUARD } from './common';
 import { Method } from './method';
 import { Property, StaticProperty } from './property';
 import { VTable } from './vtable';
 
 export class Struct {
-    readonly #name: string;
+    readonly name: string;
     #vtable: VTable | null;
     readonly #methods: Method[];
     readonly #properties: Property[];
@@ -12,10 +12,11 @@ export class Struct {
     readonly #dependencies: string[];
     readonly #staticProperties: StaticProperty[];
     #directParent: string | null;
+    #isSimple: boolean;
 
     // Constructor
     constructor(name: string) {
-        this.#name = name;
+        this.name = name;
         this.#methods = [];
         this.#properties = [];
         this.#vtable = null;
@@ -23,6 +24,7 @@ export class Struct {
         this.#dependencies = [];
         this.#staticProperties = [];
         this.#directParent = null;
+        this.#isSimple = false;
     }
 
     // Dependencies
@@ -34,39 +36,29 @@ export class Struct {
     }
 
     // Ensure VTable Exists
-    ensureVTable() {
+    getVTable() {
         if (this.#vtable === null) {
-            this.#vtable = new VTable(this.#name);
+            this.#vtable = new VTable(this.name);
             this.addProperty(this.#vtable.property);
         }
-    }
-
-    // Set VTable Destructor Offset
-    setVTableDestructorOffset(offset: number) {
-        this.ensureVTable();
-        this.#vtable!.setDestructorOffset(offset);
+        return this.#vtable;
     }
 
     // Setters
     setSize(size: number) {
         this.#size = size;
     }
-    // Getters
-    getName() {
-        return this.#name;
-    }
 
     // Add Method
     addMethod(method: Method, isVirtual: boolean) {
-        if (method.returnType !== this.#name && method.returnType in STRUCTURE_FILES) {
+        if (method.returnType !== this.name && method.returnType in STRUCTURE_FILES) {
             this.#addDependency(method.returnType);
         }
         if (isVirtual) {
-            if (method.self !== this.#name) {
+            if (method.self !== this.name) {
                 throw new Error();
             }
-            this.ensureVTable();
-            this.#vtable!.add(method);
+            this.getVTable().add(method);
         } else {
             if (method.isInherited) {
                 this.#addDependency(method.self);
@@ -88,14 +80,21 @@ export class Struct {
         this.#staticProperties.push(property);
     }
 
-    // Configure VTable
-    setVTableSize(size: number) {
-        this.ensureVTable();
-        this.#vtable!.setSize(size);
+    // "Simple" Structures
+    markAsSimple() {
+        this.#isSimple = true;
     }
-    setVTableAddress(address: number) {
-        this.ensureVTable();
-        this.#vtable!.setAddress(address);
+    #checkSimple() {
+        const checks: [string, boolean][] = [
+            ['Cannot Inherit', this.#directParent !== null],
+            ['Must Have A Defined Size', this.#size === null],
+            ['Cannot Have A VTable', this.#vtable !== null]
+        ];
+        for (const check of checks) {
+            if (check[1]) {
+                throw new Error('Simple Structures ' + check[0]);
+            }
+        }
     }
 
     // Generate Properties
@@ -114,10 +113,9 @@ export class Struct {
 
         // Add Properties
         let out = '';
-        for (let i = 0; i < sortedProperties.length; i++) {
-            const property = sortedProperties[i]!;
-            const lastProperty = sortedProperties[i - 1];
-
+        let lastProperty: Property | null = null;
+        let i = 0;
+        for (const property of sortedProperties) {
             // Padding
             let offsetFromLastProperty = property.offset;
             if (lastProperty) {
@@ -127,62 +125,67 @@ export class Struct {
             if (lastProperty) {
                 paddingSize += ` - sizeof(${lastProperty.type()})`;
             }
-            out += `${INDENT}uchar __padding${i}[${paddingSize}];\n`;
+            if (!this.#isSimple) {
+                out += `${INDENT}uchar ${INTERNAL}padding${i.toString()}[${paddingSize}];\n`;
+            }
 
             // The Actual Property
             if (property !== sizeProperty) {
                 out += `${INDENT}${property.type()} ${property.name()};\n`;
             }
+
+            // Advance
+            lastProperty = property;
+            i++;
         }
         return out;
     }
 
     // Generate C++ Method Shortcuts
+    #generateMethod(method: Method, isVirtual: boolean) {
+        let out = '';
+        out += INDENT;
+        if (method.isStatic) {
+            out += 'static ';
+        }
+        out += `decltype(auto) ${method.shortName}(auto&&... args) {\n`;
+        out += `${INDENT}${INDENT}return `;
+        if (isVirtual) {
+            out += `this->vtable->${method.shortName}`;
+        } else {
+            out += `${method.getName()}->get(false)`;
+        }
+        out += '(';
+        if (!method.isStatic) {
+            out += `(${method.self} *) this, `;
+        }
+        out += 'std::forward<decltype(args)>(args)...);\n';
+        out += `${INDENT}}\n`;
+        return out;
+    }
     #generateMethods() {
         let out = '';
+        out += LEAN_HEADER_GUARD;
         // Normal Methods
-        const getArgsOuter = (method: Method) => {
-            let out = method.args;
-            if (!method.isStatic) {
-                // Remove "self"
-                out = removeFirstArg(out);
-            }
-            return out;
-        };
-        const getArgsInner = (method: Method) => {
-            const list = getArgNames(method.args);
-            if (!method.isStatic) {
-                // Replace "self" With "this"
-                list[0] = `(${method.self} *) this`;
-            }
-            return list.join(', ');
-        };
         for (const method of this.#methods) {
-            if (!method.hasVarargs) {
-                const returnType = method.returnType;
-                const shortName = method.shortName;
-                const fullName = method.getName();
-                const args = getArgsOuter(method);
-                out += `${INDENT}inline ${formatType(returnType)}${shortName}${args} { \\\n`;
-                out += `${INDENT}${INDENT}${returnType.trim() === 'void' ? '' : 'return '}${fullName}(${getArgsInner(method)});\n`;
-                out += `${INDENT}}\n`;
-            }
+            out += this.#generateMethod(method, false);
         }
         // Virtual Methods
         if (this.#vtable !== null) {
             const virtualMethods = this.#vtable.getMethods();
             for (const method of virtualMethods) {
-                if (method && !method.hasVarargs) {
-                    const returnType = method.returnType;
-                    const shortName = method.shortName;
-                    const args = getArgsOuter(method);
-                    out += `${INDENT}inline ${formatType(returnType)}${shortName}${args} { \\\n`;
-                    out += `${INDENT}${INDENT}${returnType.trim() === 'void' ? '' : 'return '}this->vtable->${shortName}(${getArgsInner(method)});\n`;
-                    out += `${INDENT}}\n`;
-                }
+                out += this.#generateMethod(method, true);
             }
         }
+        // Allocation Method
+        if (this.#size !== null) {
+            // THIS DOES NOT CONSTRUCT THE OBJECT
+            out += `${INDENT}static ${this.name} *allocate() {\n`;
+            out += `${INDENT}${INDENT}return (${this.name} *) ::operator new(sizeof(${this.name}));\n`;
+            out += `${INDENT}}\n`;
+        }
         // Return
+        out += '#endif\n';
         return out;
     }
 
@@ -190,26 +193,19 @@ export class Struct {
     generate() {
         let out = '';
 
-        // Static Properties
-        for (const property of this.#staticProperties) {
-            out += property.typedef();
-            out += `extern ${property.globalPointerDefinition()}`;
-            out += property.macro();
-        }
-
-        // Methods
-        for (const method of this.#methods) {
-            if (!method.isInherited) {
-                out += method.generateTypedef();
-                out += `extern ${method.generateDefinition()}`;
-                out += `extern ${method.generateDefinition('_unedited')}`;
-                out += method.generateNewMethodTest(this.#directParent, '', '');
-            }
+        // Check "Simple" Status
+        if (this.#isSimple) {
+            this.#checkSimple();
         }
 
         // VTable
         if (this.#vtable !== null) {
-            out += this.#vtable.generate(this.#directParent);
+            out += this.#vtable.generate();
+        }
+
+        // Static Properties
+        for (const property of this.#staticProperties) {
+            out += property.typedef();
         }
 
         // Property Typedefs
@@ -217,28 +213,44 @@ export class Struct {
             out += property.typedef();
         }
 
+        // Method Wrappers
+        let typedefs = '';
+        let methodsOut = '';
+        for (const method of this.#methods) {
+            if (!method.isInherited) {
+                typedefs += method.generateTypedefs();
+                methodsOut += method.generate(false, false);
+            }
+        }
+        out += typedefs;
+        out += LEAN_HEADER_GUARD;
+        out += methodsOut;
+        out += '#endif\n';
+
         // Structure
-        out += `struct ${this.#name} {\n`;
+        out += `struct ${this.name} final {\n`;
         out += this.#generateProperties();
         out += this.#generateMethods();
+        for (const property of this.#staticProperties) {
+            // Static Property References
+            out += `${INDENT}static ${property.referenceDefinition(false)};\n`;
+        }
+        if (!this.#isSimple) {
+            // Disable Construction Of Complex Structures
+            out += preventConstruction(this.name);
+        }
         out += `};\n`;
 
         // Sanity Check Offsets
-        for (let i = 0; i < this.#properties.length; i++) {
-            const property = this.#properties[i]!;
+        for (const property of this.#properties) {
             const name = property.name();
             const offset = property.offset;
-            out += `static_assert(offsetof(${this.#name}, ${name}) == ${toHex(offset)}, "Invalid Offset");\n`;
+            out += `static_assert(offsetof(${this.name}, ${name}) == ${toHex(offset)}, "Invalid Offset");\n`;
         }
 
         // Sanity Check Size
         if (this.#size !== null) {
-            out += assertSize(this.#name, this.#size);
-        }
-
-        // Allocation Function
-        if (this.#size !== null) {
-            out += `${this.#name} *alloc_${this.#name}();\n`;
+            out += assertSize(this.name, this.#size);
         }
 
         // Return
@@ -247,41 +259,28 @@ export class Struct {
 
     // Generate Compiled Code
     generateCode() {
-        let declarations = '';
-        let init = '';
+        let out = '';
 
         // Static Properties
         for (const property of this.#staticProperties) {
-            init += `${INDENT}${property.fullName()}_pointer = (${property.type()} *) ${toHex(property.offset)};\n`;
-            declarations += property.globalPointerDefinition();
+            out += `${property.referenceDefinition(true)} = *(${property.type()} *) ${toHex(property.offset)};\n`;
         }
 
         // Methods
         for (const method of this.#methods) {
             if (!method.isInherited) {
-                init += `${INDENT}${method.getName()} = (${method.getType()}) ${toHex(method.address)};\n`;
-                declarations += method.generateDefinition();
-                init += `${INDENT}${method.getName()}_unedited = (${method.getType()}) ${toHex(method.address)};\n`;
-                declarations += method.generateDefinition('_unedited');
+                out += method.generate(true, false);
             }
         }
 
         // VTable
         if (this.#vtable !== null) {
-            const vtable = this.#vtable.generateCode();
-            declarations += vtable.declarations;
-            init += vtable.init;
-        }
-
-        // Allocation Function
-        if (this.#size !== null) {
-            declarations += `${this.#name} *alloc_${this.#name}() {\n`;
-            declarations += `${INDENT}return new ${this.#name};\n`;
-            declarations += '}\n';
+            const vtable = this.#vtable.generateCode(this.#directParent);
+            out += vtable;
         }
 
         // Return
-        return {functions: declarations, init};
+        return out;
     }
 
     // Set Direct Parent (Used For "New Method" Testing)

src/test/common.ts

@@ -0,0 +1,67 @@
+import { describe, it } from 'node:test';
+import assert from 'node:assert/strict';
+import { formatType, parseTypeAndName, prependArg, toUpperSnakeCase } from '../common';
+
+describe('Parsing Variable Declarations', () => {
+    const tests: [string, string, string, string][] = [
+        ['Simple', 'int x', 'int', 'x'],
+        ['Pointer', 'int *y', 'int *', 'y'],
+        ['Ugly Pointer', 'int* z', 'int*', 'z'],
+        ['Double Pointer', 'int **a', 'int **', 'a'],
+        ['Ugly Double Pointer', 'int* *b', 'int**', 'b'],
+        ['Reference', 'int &c', 'int &', 'c'],
+        ['Reference-To-Pointer', 'int *&d', 'int *&', 'd']
+    ];
+    for (const test of tests) {
+        it(test[0], () => {
+            const obj = parseTypeAndName(test[1]);
+            assert.strictEqual(obj.type, test[2]);
+            assert.strictEqual(obj.name, test[3]);
+        });
+    }
+    it('Invalid', () => {
+        assert.throws(() => {
+            parseTypeAndName('abc');
+        });
+    });
+});
+
+describe('Upper-Snake-Case', () => {
+    const tests: [string, string, string][] = [
+        ['One Word', 'Hello', 'HELLO'],
+        ['Two Words', 'HelloWorld', 'HELLO_WORLD'],
+        ['Empty', '', ''],
+        ['All Uppercase', 'HELLO', 'HELLO'],
+        ['All Lowercase', 'hello', 'HELLO']
+    ];
+    for (const test of tests) {
+        it(test[0], () => {
+            assert.strictEqual(toUpperSnakeCase(test[1]), test[2]);
+        });
+    }
+});
+
+describe('Formatting Types For Concatenation', () => {
+    const tests: [string, string, string][] = [
+        ['Value', 'int', 'int '],
+        ['Pointer', 'int *', 'int *'],
+        ['Reference', 'int &', 'int &']
+    ];
+    for (const test of tests) {
+        it(test[0], () => {
+            assert.strictEqual(formatType(test[1]), test[2]);
+        });
+    }
+});
+
+describe('Prepending Arguments To Functions', () => {
+    const tests: [string, string, string, string][] = [
+        ['Empty', '()', 'int x', '(int x)'],
+        ['Non-Empty', '(int x)', 'int y', '(int y, int x)']
+    ];
+    for (const test of tests) {
+        it(test[0], () => {
+            assert.strictEqual(prependArg(test[1], test[2]), test[3]);
+        });
+    }
+});

src/vtable.ts

@@ -1,7 +1,8 @@
-import { INDENT, POINTER_SIZE, RTTI_SIZE, assertSize, getSelfArg, toHex } from './common';
+import { INDENT, LEAN_HEADER_GUARD, POINTER_SIZE, assertSize, getSelfArg, preventConstruction, toHex } from './common';
 import { Method } from './method';
 import { Property } from './property';
 
+const structuresWithVTableAddress: string[] = [];
 export class VTable {
     readonly #self: string;
     #address: number | null;
@@ -24,6 +25,7 @@ export class VTable {
     // Setters
     setAddress(address: number) {
         this.#address = address;
+        structuresWithVTableAddress.push(this.#self);
     }
     setSize(size: number) {
         this.#size = size;
@@ -41,7 +43,7 @@ export class VTable {
         }
         // Add
         const index = offset / POINTER_SIZE;
-        if (target[index]) {
+        if (index in target) {
             throw new Error(`Duplicate Virtual Method At Offset: ${toHex(offset)}`);
         }
         target[index] = method;
@@ -84,34 +86,67 @@ export class VTable {
         return out;
     }
 
+    // Get Parent Method
+    #getParentSelf(method: Method, parent: string | null) {
+        if (method.isInherited && parent) {
+            // Parent Exists
+            let out: string;
+            if (structuresWithVTableAddress.includes(parent)) {
+                out = parent;
+            } else {
+                // Unable To Determine
+                out = this.#self;
+            }
+            return out;
+        } else {
+            // Method Has No Parent
+            return undefined;
+        }
+    }
+
     // Generate Header Code
-    generate(directParent: string | null) {
+    canGenerateWrappers() {
+        return this.#address !== null;
+    }
+    generate() {
         let out = '';
 
         // Check
         this.#check();
 
-        // Method Prototypes
+        // Wrappers
         const methods = this.getMethods();
-        for (let i = 0; i < methods.length; i++) {
-            const info = methods[i];
-            if (info) {
-                out += info.generateTypedef();
+        let typedefs = '';
+        let methodsOut = '';
+        for (const info of methods) {
+            typedefs += info.generateTypedefs();
+            if (this.canGenerateWrappers()) {
+                methodsOut += info.generate(false, true);
             }
         }
+        out += typedefs;
+        out += LEAN_HEADER_GUARD;
+        out += methodsOut;
+        out += '#endif\n';
 
         // Structure
         out += `typedef struct ${this.#getName()} ${this.#getName()};\n`;
-        out += `struct ${this.#getName()} {\n`;
+        out += `struct ${this.#getName()} final {\n`;
         for (let i = 0; i < methods.length; i++) {
-            let name = `unknown${i}`;
-            let type = 'void *';
             const info = methods[i];
             if (info) {
-                name = info.shortName;
-                type = info.getType() + ' ';
+                out += info.getProperty();
+            } else {
+                out += `${INDENT}void *unknown${i.toString()};\n`;
             }
-            out += `${INDENT}${type}${name};\n`;
+        }
+        if (this.#size === null) {
+            // Prevent Construction
+            out += preventConstruction(this.#getName());
+        }
+        if (this.#address !== null) {
+            // Base
+            out += `${INDENT}static ${this.#getName()} *base;\n`;
         }
         out += `};\n`;
 
@@ -120,35 +155,13 @@ export class VTable {
             out += assertSize(this.#getName(), this.#size);
         }
 
-        // Pointers
-        if (this.#address !== null) {
-            // Base
-            out += `extern ${this.#getName()} *${this.#getName()}_base;\n`;
-            // Methods
-            for (let i = 0; i < methods.length; i++) {
-                const info = methods[i];
-                if (info) {
-                    const type = `${info.getType()} *`;
-                    out += `extern ${type}${info.getName()}_vtable_addr;\n`;
-                    out += `extern ${info.generateDefinition('_non_virtual')}`;
-                    out += info.generateNewMethodTest(directParent, '*', '_vtable_addr');
-                }
-            }
-        }
-
-        // Duplication Method
-        if (this.#size !== null) {
-            out += `${this.#getName()} *dup_${this.#getName()}(${this.#getName()} *vtable);\n`;
-        }
-
         // Return
         return out;
     }
 
     // Generate Compiled Code
-    generateCode() {
-        let declarations = '';
-        let init = '';
+    generateCode(directParent: string | null) {
+        let out = '';
 
         // Check
         this.#check();
@@ -156,40 +169,18 @@ export class VTable {
         // Pointers
         if (this.#address !== null) {
             // Base
-            init += `${INDENT}${this.#getName()}_base = (${this.#getName()} *) ${toHex(this.#address)};\n`;
-            declarations += `${this.#getName()} *${this.#getName()}_base;\n`;
-            // Methods
+            out += `${this.#getName()} *${this.#getName()}::base = (${this.#getName()} *) ${toHex(this.#address)};\n`;
+        }
+
+        // Method Wrappers
+        if (this.canGenerateWrappers()) {
             const methods = this.getMethods();
-            for (let i = 0; i < methods.length; i++) {
-                const info = methods[i];
-                if (info) {
-                    const vtableAddress = this.#address + (i * POINTER_SIZE);
-                    const type = `${info.getType()} *`;
-                    init += `${INDENT}${info.getName()}_vtable_addr = (${type}) ${toHex(vtableAddress)};\n`;
-                    declarations += `${type}${info.getName()}_vtable_addr;\n`;
-                    init += `${INDENT}${info.getName()}_non_virtual = *${info.getName()}_vtable_addr;\n`;
-                    declarations += info.generateDefinition('_non_virtual');
-                }
+            for (const info of methods) {
+                out += info.generate(true, true, this.#getParentSelf(info, directParent));
             }
         }
 
-        // Duplication Method
-        if (this.#size !== null) {
-            declarations += `${this.#getName()} *dup_${this.#getName()}(${this.#getName()} *vtable) {\n`;
-            declarations += `${INDENT}uchar *real_vtable = (uchar *) vtable;\n`;
-            declarations += `${INDENT}real_vtable -= ${RTTI_SIZE};\n`;
-            declarations += `${INDENT}size_t real_vtable_size = sizeof(${this.#getName()}) + ${RTTI_SIZE};\n`;
-            declarations += `${INDENT}uchar *new_vtable = (uchar *) ::operator new(real_vtable_size);\n`;
-            declarations += `${INDENT}if (new_vtable == NULL) {\n`;
-            declarations += `${INDENT}${INDENT}return NULL;\n`;
-            declarations += `${INDENT}}\n`;
-            declarations += `${INDENT}memcpy((void *) new_vtable, (void *) real_vtable, real_vtable_size);\n`;
-            declarations += `${INDENT}new_vtable += ${RTTI_SIZE};\n`;
-            declarations += `${INDENT}return (${this.#getName()} *) new_vtable;\n`;
-            declarations += '}\n';
-        }
-
         // Return
-        return {declarations, init};
+        return out;
     }
 }

syntax-highlighting/def.nanorc

@@ -1,34 +0,0 @@
-syntax def "\.def$"
-comment "//"
-
-# Mistakes
-# Missing semicolon
-color red "[^;]$"
-# Missing type
-color red "^(((static|virtual)-)?method|property|static-property(-array)?) [a-zA-Z_][a-zA-Z0-9_]* ?(\(|=)"
-# Missing prefix
-color red "^[^ ]+"
-# Missing vtable
-color red "^(vtable(-size|-destructor-offset))? .+$"
-
-# Reset
-color normal "(\(|\))"
-
-# Commands
-color magenta "^(extends|size|vtable(-size|-destructor-offset)?|property|static-property|((static|virtual)-)?method|constructor)\>"
-
-# Types
-color green "\<((u?(char|short|int))|float|bool|void|std::(string|vector|map))\>"
-
-# Numbers
-color yellow "0x[a-f0-9]+"
-# Non-hex numbers
-color red " [0-9][a-f0-9]+;"
-
-# Comments
-color brightblue "//.*"
-
-# Whitespace.
-color normal "[[:space:]]+"
-# Trailing whitespace.
-color ,green "[[:space:]]+$"

syntax-highlighting/ksyntaxhighlighting/symbol-processor.xml

@@ -13,8 +13,10 @@
             <item>static-method</item>
             <item>constructor</item>
             <item>vtable-destructor-offset</item>
+            <item>mark-as-simple</item>
         </list>
         <list name="types">
+            <item>const</item>
             <item>char</item>
             <item>uchar</item>
             <item>short</item>

syntax-highlighting/nano/symbol-processor.nanorc

@@ -0,0 +1,21 @@
+syntax def "\.def$"
+comment "//"
+
+# Commands
+color magenta "\<(extends|size|vtable(-size|-destructor-offset)?|property|static-property|((static|virtual)-)?method|constructor|mark-as-simple)\>"
+
+# Types
+color green "\<((u?(char|short|int))|float|bool|void|std::(string|vector|map))\>"
+
+# Numbers
+color yellow "0x[a-f0-9]+"
+# Non-hex numbers
+color red " [0-9][a-f0-9]+;"
+
+# Comments
+color brightblue "//.*"
+
+# Whitespace.
+color normal "[[:space:]]+"
+# Trailing whitespace.
+color ,green "[[:space:]]+$"

syntax-highlighting/textmate/SymbolProcessor.tmbundle/Preferences/Comments.tmPreferences

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>name</key>
+    <string>Comments</string>
+    <key>scope</key>
+    <string>source.toml</string>
+    <key>settings</key>
+    <dict>
+        <key>shellVariables</key>
+        <array>
+            <dict>
+                <key>name</key>
+                <string>TM_COMMENT_START</string>
+                <key>value</key>
+                <string>//</string>
+            </dict>
+        </array>
+    </dict>
+    <key>uuid</key>
+    <string>C5C885D7-2733-4632-B709-B5B9DD518F90</string>
+</dict>
+</plist>

syntax-highlighting/textmate/SymbolProcessor.tmbundle/Syntaxes/SymbolProcessor.tmLanguage

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>fileTypes</key>
+    <array>
+        <string>def</string>
+    </array>
+    <key>scopeName</key>
+    <string>source.symbol-processor</string>
+    <key>name</key>
+    <string>Symbol Processor Definition</string>
+    <key>patterns</key>
+    <array>
+        <dict>
+            <key>name</key>
+            <string>comment.line.double-slash.symbol-processor</string>
+            <key>match</key>
+            <string>//.*$</string>
+        </dict>
+        <dict>
+            <key>name</key>
+            <string>constant.numeric.symbol-processor.hex</string>
+            <key>match</key>
+            <string>\b0[xX][0-9a-fA-F]+</string>
+        </dict>
+        <dict>
+            <key>name</key>
+            <string>constant.numeric.symbol-processor.decimal</string>
+            <key>match</key>
+            <string>\b[0-9]+</string>
+        </dict>
+        <dict>
+            <key>name</key>
+            <string>keyword.control.symbol-processor</string>
+            <key>match</key>
+            <string>\b(extends|size|vtable-size|vtable-destructor-offset|vtable|property|static-property|method|virtual-method|static-method|constructor|mark-as-simple)\b</string>
+        </dict>
+        <dict>
+            <key>name</key>
+            <string>storage.type.symbol-processor</string>
+            <key>match</key>
+            <string>\b(const|char|uchar|short|ushort|int|uint|float|bool|void|std::string|std::vector|std::map|unsigned|long)\b</string>
+        </dict>
+        <dict>
+            <key>name</key>
+            <string>keyword.operator.symbol-processor</string>
+            <key>match</key>
+            <string>(=|;)</string>
+        </dict>
+    </array>
+    <key>uuid</key>
+    <string>D44198D4-5AEB-40E5-B4E4-0E11C69FFA42</string>
+</dict>
+</plist>

syntax-highlighting/textmate/SymbolProcessor.tmbundle/info.plist

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>contactEmailRot13</key>
+    <string>connor24nolan@live.com</string>
+    <key>contactName</key>
+    <string>TheBrokenRail</string>
+    <key>description</key>
+    <string>Symbol Processor Definition File</string>
+    <key>name</key>
+    <string>Symbol Processor</string>
+    <key>uuid</key>
+    <string>8209EEB8-4193-4E63-BDBB-0407E47ADF50</string>
+</dict>
+</plist>

tsconfig.json

@@ -1,11 +1,11 @@
 {
     "extends": [
         "@tsconfig/strictest/tsconfig",
-        "@tsconfig/node-lts/tsconfig"
+        "@tsconfig/node18/tsconfig"
     ],
     "compilerOptions": {
-        "rootDir": "./src",
-        "outDir": "./build"
+        "outDir": "build",
+        "rootDir": "src"
     },
     "include": [
         "src"