Improve Code

data/custom.h

@@ -1,4 +1,4 @@
-// Get Custom Data
+// Get Custom Wrapper From Object
 template <typename Data>
 Data *custom_get(typename Data::__Self *self) {
     return (Data *) (self + 1);
@@ -86,6 +86,7 @@ protected:
     void __set_vtable() {
         static __VTable *vtable = nullptr;
         if (!vtable) {
+            // Create VTable
             vtable = __dup_vtable(__VTable::base);
             __patch_vtable(vtable);
         }

src/common.ts

@@ -10,7 +10,6 @@ export const STRUCTURE_FILES: Record<string, string> = {};
 export const COMMENT = '//';
 export const INTERNAL = '__';
 export const BUILDING_SYMBOLS_GUARD = 'BUILDING_SYMBOLS_LIB';
-export const CONSTRUCTOR_FUNCTION_NAME = 'constructor';
 export const SELF_ARG = 'self';
 // Read Definition File
 export function readDefinition(name: string) {

src/custom.ts

@@ -1,4 +1,5 @@
-import { CONSTRUCTOR_FUNCTION_NAME, formatType, forwardArguments, INDENT, INTERNAL, SELF_ARG } from './common';
+import { formatType, forwardArguments, INDENT, INTERNAL, SELF_ARG } from './common';
+import { Method } from './method';
 import { Struct } from './struct';
 import { structuresWithVTableAddress } from './vtable';
 
@@ -15,9 +16,8 @@ export class CustomWrapperGenerator {
     #getBase() {
         return `${INTERNAL}CustomBase<${this.#struct.name}, ${this.#struct.getVTable().getName()}>`;
     }
-    #getMethods() {
+    #getVirtualMethods() {
         const out = [];
-        out.push(this.#struct.getMainConstructor());
         const methods = this.#struct.getVTable().getMethods(false);
         for (const method of methods) {
             if (method) {
@@ -30,6 +30,55 @@ export class CustomWrapperGenerator {
         return 'Custom' + this.#struct.name;
     }
 
+    // Generate Methods
+    #generateMethods(methods: Method[], isConstructor: boolean) {
+        let out = '';
+        for (const method of methods) {
+            // Generate Method Signature
+            out += INDENT;
+            if (isConstructor) {
+                out += 'explicit ' + this.#getName();
+            } else {
+                out += 'virtual ' + formatType(method.returnType) + method.shortName;
+            }
+            out += method.getArgs(false) + ';\n';
+        }
+        return out;
+    }
+    #generateMethodsCode(methods: Method[], isConstructor: boolean) {
+        let out = '';
+        for (const method of methods) {
+            const name = method.shortName;
+            // Generate Method Signature
+            if (!isConstructor) {
+                out += formatType(method.returnType);
+            }
+            out += this.#getName() + '::';
+            out += isConstructor ? this.#getName() : name;
+            const args = method.getArgs(false);
+            out += args + ' {\n';
+            // Generate Method Code
+            out += INDENT;
+            if (!isConstructor) {
+                // Virtual Method
+                if (method.doesReturnValue()) {
+                    out += 'return ';
+                }
+                out += `${INTERNAL}VTable::base->${name}`;
+            } else {
+                // Constructor
+                out += method.getDirectCall();
+            }
+            out += forwardArguments(args, ['this->self']) + ';\n';
+            if (isConstructor) {
+                // Setup VTable
+                out += `${INDENT}${INTERNAL}set_vtable();\n`;
+            }
+            out += '}\n';
+        }
+        return out;
+    }
+
     // Generate Header
     generate() {
         let out = '';
@@ -40,26 +89,15 @@ export class CustomWrapperGenerator {
         }
 
         // Structure
-        const base = this.#getBase();
-        out += `struct ${this.#getName()} : ${base} {\n`;
+        out += `struct ${this.#getName()} : ${this.#getBase()} {\n`;
 
         // Methods
-        const methods = this.#getMethods();
-        for (const method of methods) {
-            // Generate Method
-            const name = method.shortName;
-            out += INDENT;
-            if (name === CONSTRUCTOR_FUNCTION_NAME) {
-                out += 'explicit ' + this.#getName();
-            } else {
-                out += 'virtual ' + formatType(method.returnType) + name;
-            }
-            out += method.getArgs(false) + ';\n';
-        }
+        out += this.#generateMethods(this.#struct.getConstructors(), true);
+        out += this.#generateMethods(this.#getVirtualMethods(), false);
 
         // VTable
         out += 'private:\n';
-        out += INDENT + `virtual void ${INTERNAL}patch_vtable(${base}::${INTERNAL}VTable *) override;\n`;
+        out += INDENT + `void ${INTERNAL}patch_vtable(${INTERNAL}VTable *) override;\n`;
         out += '};\n';
 
         // Return
@@ -71,36 +109,9 @@ export class CustomWrapperGenerator {
         let out = '';
 
         // Methods
-        const methods = this.#getMethods();
-        for (const method of methods) {
-            const name = method.shortName;
-            const isConstructor = name === CONSTRUCTOR_FUNCTION_NAME;
-            // Generate Method
-            if (!isConstructor) {
-                out += formatType(method.returnType);
-            }
-            out += this.#getName() + '::';
-            out += isConstructor ? this.#getName() : name;
-            const args = method.getArgs(false);
-            out += args + ' {\n';
-            out += INDENT;
-            const forwardedArgs = forwardArguments(args, ['this->self']);
-            if (!isConstructor) {
-                // Virtual Method
-                if (method.doesReturnValue()) {
-                    out += 'return ';
-                }
-                out += `${INTERNAL}VTable::base->${name}${forwardedArgs}`;
-            } else {
-                // Constructor
-                out += method.getDirectCall() + forwardedArgs;
-            }
-            out += ';\n';
-            if (isConstructor) {
-                out += `${INDENT}${INTERNAL}set_vtable();\n`;
-            }
-            out += '}\n';
-        }
+        out += this.#generateMethodsCode(this.#struct.getConstructors(), true);
+        const methods = this.#getVirtualMethods();
+        out += this.#generateMethodsCode(methods, false);
 
         // VTable
         const base = this.#getBase();
@@ -108,9 +119,6 @@ export class CustomWrapperGenerator {
         out += `${INDENT}${base}::${INTERNAL}patch_vtable(vtable);\n`;
         for (const method of methods) {
             const name = method.shortName;
-            if (name === CONSTRUCTOR_FUNCTION_NAME) {
-                continue;
-            }
             // Patch Entry
             out += `${INDENT}vtable->${name} = []${method.getArgs()} {\n`;
             out += INDENT + INDENT;

src/loader.ts

@@ -1,4 +1,4 @@
-import { COMMENT, CONSTRUCTOR_FUNCTION_NAME, extendErrorMessage, EXTENSION, parseTypeAndName, readDefinition, safeParseInt, syntaxError } from './common';
+import { COMMENT, extendErrorMessage, EXTENSION, parseTypeAndName, readDefinition, safeParseInt, syntaxError } from './common';
 import { Method } from './method';
 import { Property, StaticProperty } from './property';
 import { Struct } from './struct';
@@ -146,27 +146,27 @@ export function load(target: Struct, name: string, isExtended: boolean) {
                 case 'method': {
                     // Add Method
                     const method = parseMethod(args, name, true, isExtended);
-                    target.addMethod(method, false);
+                    target.addMethod(method, false, false);
                     break;
                 }
                 case 'virtual-method': {
                     // Add Virtual Method
                     const method = parseMethod(args, target.name, true, isExtended);
-                    target.addMethod(method, true);
+                    target.addMethod(method, true, false);
                     break;
                 }
                 case 'static-method': {
                     // Add Static Method
                     if (!isExtended) {
                         const method = parseMethod(args, target.name, false, false);
-                        target.addMethod(method, false);
+                        target.addMethod(method, false, false);
                     }
                     break;
                 }
                 case 'constructor': {
                     // Constructor
                     if (!isExtended) {
-                        let data = target.name + ' *' + CONSTRUCTOR_FUNCTION_NAME;
+                        let data = target.name + ' *constructor';
                         if (args.startsWith('(')) {
                             // No Custom Name
                         } else {
@@ -175,7 +175,7 @@ export function load(target: Struct, name: string, isExtended: boolean) {
                         }
                         data += args;
                         const method = parseMethod(data, target.name, true, false);
-                        target.addMethod(method, false);
+                        target.addMethod(method, false, true);
                     }
                     break;
                 }

src/struct.ts

@@ -1,4 +1,4 @@
-import { INDENT, STRUCTURE_FILES, toHex, assertSize, INTERNAL, preventConstruction, BUILDING_SYMBOLS_GUARD, formatType, forwardArguments, CONSTRUCTOR_FUNCTION_NAME } from './common';
+import { INDENT, STRUCTURE_FILES, toHex, assertSize, INTERNAL, preventConstruction, BUILDING_SYMBOLS_GUARD, formatType, forwardArguments } from './common';
 import { CustomWrapperGenerator } from './custom';
 import { Method } from './method';
 import { Property, StaticProperty } from './property';
@@ -9,6 +9,7 @@ export class Struct {
     readonly name: string;
     #vtable: VTable | null;
     readonly #methods: Method[];
+    readonly #constructors: Method[];
     readonly #properties: Property[];
     #size: number | null;
     readonly #dependencies: string[];
@@ -21,6 +22,7 @@ export class Struct {
     constructor(name: string) {
         this.name = name;
         this.#methods = [];
+        this.#constructors = [];
         this.#properties = [];
         this.#vtable = null;
         this.#size = null;
@@ -54,7 +56,7 @@ export class Struct {
     }
 
     // Add Method
-    addMethod(method: Method, isVirtual: boolean) {
+    addMethod(method: Method, isVirtual: boolean, isConstructor: boolean) {
         if (method.returnType !== this.name && method.returnType in STRUCTURE_FILES) {
             this.#addDependency(method.returnType);
         }
@@ -66,6 +68,8 @@ export class Struct {
         } else {
             if (method.isInherited) {
                 this.#addDependency(method.self);
+            } else if (isConstructor) {
+                this.#constructors.push(method);
             }
             this.#methods.push(method);
         }
@@ -106,13 +110,12 @@ export class Struct {
         this.getVTable();
         this.#custom = new CustomWrapperGenerator(this);
     }
-    getMainConstructor() {
-        for (const method of this.#methods) {
-            if (method.shortName === CONSTRUCTOR_FUNCTION_NAME) {
-                return method;
+    getConstructors() {
+        const out = this.#constructors;
+        if (out.length === 0) {
+            throw new Error('Custom Wrappers Require Constructors');
         }
-        }
-        throw new Error('Unable To Find Main Constructor');
+        return out;
     }
 
     // Generate Properties