backup/java2js
1
0
Fork 0
mirror of https://github.com/quinton-ashley/java2js synced 2024-12-29 10:11:54 +01:00
Code Issues Projects Releases Activity

1.0.4

Browse Source
This commit is contained in:
Quinton Ashley 2021-09-24 00:36:29 -05:00
parent e2ed130148
commit 159919e856
29 changed files with 93 additions and 119 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
ide.js
View File

@ -1,9 +1,13 @@
window.ide = {}; (async () => {
ide.log = document.getElementById('javaConsole'); window.ide = {};
ide.file0 = document.getElementById('javaFile'); ide.log = document.getElementById('javaConsole');
ide.file0 = document.getElementById('javaFile');
ide.file0.onchange = () => { await jdk.init();
ide.log.value = '';
let file = ide.file0.value; ide.file0.onchange = () => {
jdk.run(file); ide.log.value = '';
}; let file = ide.file0.value;
jdk.run(file);
};
})();

122
jdk.js
View File

@ -45,7 +45,9 @@
/* JDK implementation in modern JavaScript */ /* JDK implementation in modern JavaScript */
class JDK { class JDK {
constructor() { constructor() {}
async init() {
this.java = {}; this.java = {};
let pkgs = ['com', 'lang', 'org', 'io', 'util']; let pkgs = ['com', 'lang', 'org', 'io', 'util'];
for (let pkg of pkgs) { for (let pkg of pkgs) {
@ -76,50 +78,23 @@
for (let name of names) { for (let name of names) {
lang.push('java.lang.' + name); lang.push('java.lang.' + name);
} }
this.import(lang); await this.import(lang);
} catch (e) {} } catch (e) {}
// stub main for now // stub main for now
this.main = () => {}; this.main = () => {};
this.load();
} }
load() { // async load() {
let ready = 0; // // load all imported classes
// load all imported classes // for (let className in this.imports) {
for (let className in this.imports) { // let imp = this.imports[className];
let imp = this.imports[className]; // imp.classPath ??= className.split('.');
if (imp.classPath) { // await imp.load();
imp.classPath = className.split('.'); // }
}
if (imp.ready) { // this.launch();
ready++; // }
continue;
}
if (imp.load) {
try {
imp.load();
} catch (e) {
console.log(e);
continue;
}
imp.load = null;
imp.ready = true;
ready++;
}
}
// some classes may load slower than others,
// wait for them all before launching the Java program
if (ready != Object.keys(this.imports).length) {
let _this = this;
setTimeout(() => {
_this.load();
}, 100);
} else {
this.launch();
}
}
launch() { launch() {
// make java.lang classes global // make java.lang classes global
@ -144,15 +119,15 @@
return _class; return _class;
} }
import(classNames) { async import(classNames) {
if (!classNames) return; if (!classNames) return;
if (typeof classNames == 'string') { if (typeof classNames == 'string') {
classNames = [classNames]; classNames = [classNames];
} }
let ready = 0; let classes = [];
for (let className of classNames) { for (let className of classNames) {
log('importing ' + className);
let imp = this.imports[className]; let imp = this.imports[className];
if (imp) { if (imp) {
// class is ready for use // class is ready for use
@ -170,34 +145,29 @@
} }
src += '.js'; src += '.js';
const getJS = new Promise((resolve, reject) => { const loadJS = () => {
const script = document.createElement('script'); return new Promise((resolve, reject) => {
document.body.appendChild(script); const script = document.createElement('script');
script.onload = resolve; document.body.appendChild(script);
script.onerror = reject; script.onload = resolve;
script.async = true; script.onerror = reject;
script.src = src; script.async = true;
}); script.src = src;
});
};
getJS.then(() => {}); await loadJS();
}
if (ready != classNames.length) { await imp.load();
throw 'loading java classes';
}
let classes = [];
for (let className of classNames) {
let imp = this.imports[className];
classes.push(this.getClass(imp.classPath)); classes.push(this.getClass(imp.classPath));
} }
if (classNames.length == 1) {
classes = classes[0]; if (classNames.length == 1) classes = classes[0];
}
return classes; return classes;
} }
run(file) { async run(file) {
let classLine = file.indexOf('public class'); let classLine = file.indexOf('public class');
let imports = file.slice(0, classLine); let imports = file.slice(0, classLine);
imports = imports.match(/(?<=^import )[^;]*/gm) || []; imports = imports.match(/(?<=^import )[^;]*/gm) || [];
@ -205,17 +175,6 @@
let userName = window?.QuintOS?.userName || 'quinton-ashley'; let userName = window?.QuintOS?.userName || 'quinton-ashley';
let className = file.slice(classLine + 13, file.indexOf(' {', classLine + 13)); let className = file.slice(classLine + 13, file.indexOf(' {', classLine + 13));
let prefix = `(jdk.imports['com.${userName}.${className}'] = {}).load = () => {\n\n`;
// handle Java class imports
for (let i = 0; i < imports.length; i++) {
let imp = imports[i];
let impPath = imp.split('.');
let impName = impPath[impPath.length - 1];
prefix += `let ${impName} = jdk.import('${imp}');\n`;
}
prefix += '\n';
// hacky support for Java 15 triple quotes // hacky support for Java 15 triple quotes
file = file.replaceAll(/"""([^"]*)"""/g, (match, str) => { file = file.replaceAll(/"""([^"]*)"""/g, (match, str) => {
str = str.replaceAll(/(.*)(\n|$)/g, '"$1\\n"+').slice(0, -1); str = str.replaceAll(/(.*)(\n|$)/g, '"$1\\n"+').slice(0, -1);
@ -234,8 +193,6 @@
// log(file); // log(file);
let suffix = `\njdk.main = ${className}.main;\n}`;
window.file0 = file; window.file0 = file;
let trans = java_to_javascript(file); let trans = java_to_javascript(file);
@ -245,14 +202,27 @@
trans = trans.replace(/(\([^\)]*\) =>)/gm, 'async $1'); trans = trans.replace(/(\([^\)]*\) =>)/gm, 'async $1');
trans = trans.replace(/([\w_\$]+\.next(Int|Float|Double|Line|Short|Long)*\(\))/gm, 'await $1'); trans = trans.replace(/([\w_\$]+\.next(Int|Float|Double|Line|Short|Long)*\(\))/gm, 'await $1');
let prefix = `((jdk.imports['com.${userName}.${className}'] = {}).load = async () => {\n\n`;
// handle Java class imports
for (let i = 0; i < imports.length; i++) {
let imp = imports[i];
let impPath = imp.split('.');
let impName = impPath[impPath.length - 1];
prefix += `let ${impName} = await jdk.import('${imp}');\n`;
}
prefix += '\n';
let suffix = `\njdk.main = ${className}.main;\njdk.launch();\n})();`;
trans = prefix + trans + suffix; trans = prefix + trans + suffix;
log(trans); log(trans);
try { try {
eval(trans); eval(trans);
this.load();
} catch (e) { } catch (e) {
console.error(e);
if (window?.ide) ide.log.value += e; if (window?.ide) ide.log.value += e;
} }
} }

2
jdk/java/io/File.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.io.File'].load = () => { jdk.imports['java.io.File'].load = async () => {
class File { class File {
constructor(file) { constructor(file) {
this.absPath = file; this.absPath = file;

2
jdk/java/io/InputStream.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.io.InputStream'].load = () => { jdk.imports['java.io.InputStream'].load = async () => {
class InputStream { class InputStream {
constructor() { constructor() {
this.reset(); this.reset();

2
jdk/java/io/PrintStream.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.io.PrintStream'].load = () => { jdk.imports['java.io.PrintStream'].load = async () => {
class PrintStream { class PrintStream {
constructor() { constructor() {
this.log = ''; this.log = '';

2
jdk/java/lang/Character.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.Character'].load = () => { jdk.imports['java.lang.Character'].load = async () => {
class Character {} class Character {}
Character.isDigit = (c) => { Character.isDigit = (c) => {
c = c.charCodeAt(0); c = c.charCodeAt(0);

2
jdk/java/lang/Double.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.Double'].load = () => { jdk.imports['java.lang.Double'].load = async () => {
class Double { class Double {
constructor() { constructor() {
throw 'new Double() not supported'; throw 'new Double() not supported';

2
jdk/java/lang/Float.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.Float'].load = () => { jdk.imports['java.lang.Float'].load = async () => {
class Float {} class Float {}
Float.parseFloat = (d) => { Float.parseFloat = (d) => {
return parseFloat(d); return parseFloat(d);

2
jdk/java/lang/Integer.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.Integer'].load = () => { jdk.imports['java.lang.Integer'].load = async () => {
class Integer {} class Integer {}
Integer.parseInt = (d) => { Integer.parseInt = (d) => {
return parseInt(d); return parseInt(d);

2
jdk/java/lang/Long.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.Long'].load = () => { jdk.imports['java.lang.Long'].load = async () => {
class Long {} class Long {}
Long.parseLong = (d) => { Long.parseLong = (d) => {
return parseInt(d); return parseInt(d);

2
jdk/java/lang/Short.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.Short'].load = () => { jdk.imports['java.lang.Short'].load = async () => {
class Short {} class Short {}
Short.parseShort = (d) => { Short.parseShort = (d) => {
return parseInt(d); return parseInt(d);

2
jdk/java/lang/String.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.String'].load = () => {}; jdk.imports['java.lang.String'].load = async () => {};
// String is special, I just extended js String prototype // String is special, I just extended js String prototype
String.prototype.hashCode = () => { String.prototype.hashCode = () => {
let h = this._hashCode; let h = this._hashCode;

2
jdk/java/lang/StringBuilder.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.StringBuilder'].load = () => { jdk.imports['java.lang.StringBuilder'].load = async () => {
class StringBuilder { class StringBuilder {
constructor() { constructor() {
this._str = ''; this._str = '';

8
jdk/java/lang/System.js
View File

@ -1,7 +1,7 @@
jdk.imports['java.lang.System'].load = () => { jdk.imports['java.lang.System'].load = async () => {
const Formatter = jdk.import('java.util.Formatter'); const Formatter = await jdk.import('java.util.Formatter');
const InputStream = jdk.import('java.io.InputStream'); const InputStream = await jdk.import('java.io.InputStream');
const PrintStream = jdk.import('java.io.PrintStream'); const PrintStream = await jdk.import('java.io.PrintStream');
class System {} class System {}

2
jdk/java/lang/Thread.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.lang.Thread'].load = () => { jdk.imports['java.lang.Thread'].load = async () => {
class Thread { class Thread {
async sleep(millis) { async sleep(millis) {
await setTimeout(millis); await setTimeout(millis);

4
jdk/java/util/AbstractList.js
View File

@ -1,5 +1,5 @@
jdk.imports['java.util.AbstractList'].load = () => { jdk.imports['java.util.AbstractList'].load = async () => {
const Itr = jdk.import('java.util.Itr'); const Itr = await jdk.import('java.util.Itr');
class AbstractList { class AbstractList {
constructor() { constructor() {

4
jdk/java/util/ArrayList.js
View File

@ -1,5 +1,5 @@
jdk.imports['java.util.ArrayList'].load = () => { jdk.imports['java.util.ArrayList'].load = async () => {
let AbstractList = jdk.import('java.util.AbstractList'); let AbstractList = await jdk.import('java.util.AbstractList');
class ArrayList extends AbstractList { class ArrayList extends AbstractList {
constructor(...args) { constructor(...args) {

2
jdk/java/util/Arrays.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.Arrays'].load = () => { jdk.imports['java.util.Arrays'].load = async () => {
class Arrays { class Arrays {
fill(data, begin, nbElem, param) { fill(data, begin, nbElem, param) {
const max = begin + nbElem; const max = begin + nbElem;

2
jdk/java/util/Collections.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.Collections'].load = () => { jdk.imports['java.util.Collections'].load = async () => {
class Collections { class Collections {
sort(list) { sort(list) {
if (!list.size()) return; if (!list.size()) return;

4
jdk/java/util/Formatter.js
View File

@ -1,5 +1,5 @@
jdk.imports['java.util.Formatter'].load = () => { jdk.imports['java.util.Formatter'].load = async () => {
const IllegalFormatException = jdk.import('java.util.IllegalFormatException'); const IllegalFormatException = await jdk.import('java.util.IllegalFormatException');
class Formatter { class Formatter {
format(format, ...args) { format(format, ...args) {

2
jdk/java/util/HashMap.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.HashMap'].load = () => { jdk.imports['java.util.HashMap'].load = async () => {
class HashMap { class HashMap {
constructor() { constructor() {
this.content = {}; this.content = {};

2
jdk/java/util/HashSet.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.HashSet'].load = () => { jdk.imports['java.util.HashSet'].load = async () => {
class HashSet { class HashSet {
constructor() { constructor() {
this.content = {}; this.content = {};

2
jdk/java/util/IllegalFormatException.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.IllegalFormatException'].load = () => { jdk.imports['java.util.IllegalFormatException'].load = async () => {
// TODO import and extend exception // TODO import and extend exception
class IllegalFormatException { class IllegalFormatException {

2
jdk/java/util/Itr.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.Itr'].load = () => { jdk.imports['java.util.Itr'].load = async () => {
class Itr { class Itr {
constructor(list) { constructor(list) {
this.cursor = 0; this.cursor = 0;

4
jdk/java/util/LinkedList.js
View File

@ -1,5 +1,5 @@
jdk.imports['java.util.LinkedList'].load = () => { jdk.imports['java.util.LinkedList'].load = async () => {
let AbstractList = jdk.import('java.util.AbstractList'); let AbstractList = await jdk.import('java.util.AbstractList');
class LinkedList extends AbstractList { class LinkedList extends AbstractList {
constructor(...args) { constructor(...args) {

2
jdk/java/util/Random.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.Random'].load = () => { jdk.imports['java.util.Random'].load = async () => {
class Random { class Random {
constructor() { constructor() {
this.seed = undefined; this.seed = undefined;

4
jdk/java/util/Scanner.js
View File

@ -1,5 +1,5 @@
jdk.imports['java.util.Scanner'].load = () => { jdk.imports['java.util.Scanner'].load = async () => {
const File = jdk.import('java.io.File'); const File = await jdk.import('java.io.File');
class Scanner { class Scanner {
constructor(input) { constructor(input) {

2
jdk/java/util/Stack.js
View File

@ -1,4 +1,4 @@
jdk.imports['java.util.Stack'].load = () => { jdk.imports['java.util.Stack'].load = async () => {
class Stack { class Stack {
constructor() { constructor() {
this.content = new Array(); this.content = new Array();

2
package.json
View File

@ -1,6 +1,6 @@
{ {
"name": "java2js", "name": "java2js",
"version": "1.0.3", "version": "1.0.4",
"description": "Converts Java to JavaScript with support for p5.js and QuintOS.", "description": "Converts Java to JavaScript with support for p5.js and QuintOS.",
"main": "java2js.js", "main": "java2js.js",
"scripts": { "scripts": {