wasmonkey/src/Wasmonkey.js

Write and run C code inside JavaScript file.

const wasmCompiler = require("./wasm/wasmCompiler");
const wasmLoader = require("./wasm/wasmLoader");
const codeLexer = require("./lexer/codeLexer");

class Wasmonkey {
    static #_sourceCode = `#include "emscripten.h"`;
    static #_wasmLoaded = false;
    static #_idTokensMap = new Map(); // key: function name, value: filename where function calls

    put(codeSectionText) {
        if(Wasmonkey.#_wasmLoaded)
            throw new Error("Wasmonkey already loaded!");
        
        let idLexerTokens = codeLexer.getIdLexerTokens(codeSectionText);
        Wasmonkey.#_sourceCode += "\n"+codeLexer.serializeStr(
            codeSectionText, 
            idLexerTokens,
            module.parent.filename
        );

        for (let i = 0; i < idLexerTokens.length; i++) {
            Wasmonkey.#_idTokensMap.set(idLexerTokens[i].lexeme, module.parent.filename);
        }
    }
    
    load() {
        if(Wasmonkey.#_wasmLoaded)
            throw new Error("Wasmonkey already loaded!");
        let wasmExports;
        wasmCompiler.writeToExecFile(Wasmonkey.#_sourceCode.trim());
        wasmCompiler.compile();
        wasmExports = wasmLoader.load();
        Wasmonkey.#_wasmLoaded = true;
        this.#_createUserFunctions(wasmExports)
    }

    #_createUserFunctions(wasmExports) {
        let classCtx = this;
        Wasmonkey.#_idTokensMap.forEach((fileName, funcName, map) => {
            classCtx[funcName] = (...args) => {
                return wasmExports[
                    codeLexer.serializeByFilename(funcName, fileName)
                ](...args);
            }
        });
    }
}

module.exports = Wasmonkey;