Converted compiler to JS

package.json

@@ -5,7 +5,12 @@
   "repository": "https://github.com/YourWishes/Dawn-GB.git",
   "author": "Dominic Masters <dominic@domsplace.com>",
   "license": "MIT",
+  "scripts": {
+    "clean": "node ./scripts/clean",
+    "build": "node ./scripts/build"
+  },
   "dependencies": {
-    "pngjs": "^6.0.0"
+    "pngjs": "^6.0.0",
+    "rimraf": "^3.0.2"
   }
 }

run.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-
-make clean
-make
-wine ./emulator/bgb.exe "obj\\Example.gb"

scripts/build.js

@@ -0,0 +1,96 @@
+const fs = require('fs');
+const path = require('path');
+const process = require('process');
+const { spawnSync, execSync } = require('child_process');
+const rimraf = require('rimraf');
+
+const DIR_BUILD = path.resolve('build');
+const DIR_GENERATED = path.resolve(DIR_BUILD, 'generated');
+const DIR_OBJ = path.resolve(DIR_BUILD, 'obj');
+const DIR_SRC = path.resolve('src');
+const DIR_GBDK = path.resolve(process.env['GBDKDIR']);
+const FILE_OUT = path.resolve(DIR_BUILD, 'Penny.gb');
+const FILE_LINKFILE = path.join(DIR_BUILD, `linkflile.lk`);
+
+const LCC = path.join(DIR_GBDK, 'bin', 'lcc');
+const LCCFLAGS = '';
+
+// Create build dirs
+[
+  DIR_BUILD, DIR_GENERATED, DIR_OBJ
+].forEach(d => {
+  if(fs.existsSync(d)) return;
+  fs.mkdirSync(d);
+});
+
+// Scandir
+const buildSourceFiles = directory => {
+  const sources = [];
+
+  fs.readdirSync(directory).forEach(file => {
+    const fullPath = path.join(directory, file);
+    const stats = fs.statSync(fullPath);
+    if(stats.isDirectory()) {
+      sources.push(...buildSourceFiles(fullPath));
+      return;
+    }
+
+    if(file.endsWith('.c')) {
+      sources.push(file.split(DIR_SRC).join(''));
+    }
+  });
+
+  return sources;
+}
+
+const logOut = (out, buffer) => {
+  const str = [
+    out.stderr, out.stdout
+  ].filter(n => n)
+    .map(n => n.toString())
+    .filter(n => n)
+    .join('')
+  ;
+  if(!str || !str.length) return;
+  buffer(str);
+}
+
+
+// Get a list of sources and build each of them prior to linking.
+const allSources = buildSourceFiles(DIR_SRC);
+const compiledSources = [];
+for(let i = 0; i < allSources.length; i++) {
+  const source = allSources[i];
+  const fileIn = path.join(DIR_SRC, source);
+  const fileNameOut = path.basename(fileIn, '.c') + '.o';
+  const sourceRelativePath = path.dirname(source).split(DIR_SRC).join('');
+  const fileOut = path.join(DIR_OBJ, sourceRelativePath, fileNameOut);
+
+  compiledSources.push(path.join(sourceRelativePath, fileNameOut));
+
+  if(fs.existsSync(fileOut)) continue;
+
+  let result;
+  try {
+    result = execSync(`${LCC} ${LCCFLAGS} -c -o ${fileOut} ${fileIn}`);
+    logOut(result, console.log);
+  } catch(e) {
+    logOut(e, console.error);
+    process.exit(1);
+  }
+}
+
+// Generate a linkfile.
+fs.writeFileSync(FILE_LINKFILE, compiledSources.map(cs=>{
+  return path.join(DIR_OBJ, cs);
+}).join('\n'));
+
+// Compile BIN
+let result;
+try {
+  result = execSync(`${LCC} ${LCCFLAGS} -o ${FILE_OUT} -Wl-f${FILE_LINKFILE}`);
+  logOut(result, console.log);
+} catch(e) {
+  logOut(e, console.error);
+  process.exit(1);
+}

scripts/clean.js

@@ -0,0 +1,4 @@
+const rimraf = require('rimraf');
+
+console.log('🔥 Cleaning');
+rimraf.sync('build');