bigjango13/symbol-processor
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Copy RTTI Info

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TheBrokenRail 2024-04-02 15:21:05 -04:00
parent 225eb259fe
commit 842f05a288
2 changed files with 10 additions and 5 deletions
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1
src/common.ts
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@ -2,6 +2,7 @@ import * as fs from 'node:fs';
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 function readDefinition(name: string) {

14
src/vtable.ts
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@ -1,4 +1,4 @@
import { INDENT, POINTER_SIZE, Size, assertSize, getSelfArg, toHex } from './common';
import { INDENT, POINTER_SIZE, RTTI_SIZE, Size, assertSize, getSelfArg, toHex } from './common';
import { Method } from './method';
import { Property } from './property';
@ -170,12 +170,16 @@ export class VTable implements Property {
// Duplication Method
if (this.#size.isExact()) {
declarations += `${this.#getName()} *dup_${this.#getName()}(${this.#getName()} *vtable) {\n`;
declarations += `${INDENT}${this.#getName()} *obj = new ${this.#getName()};\n`;
declarations += `${INDENT}if (obj == NULL) {\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 += `${INDENT}memcpy((void *) obj, (void *) vtable, sizeof(${this.#getName()}));\n`;
declarations += `${INDENT}return obj;\n`;
declarations += `${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';
}