get ABI from nim file

index.js

@@ -1,4 +1,5 @@
 const fs = require("fs");
+const path  = require('path');
 const { exec } = require('child_process');
 
 function buf2hex(buffer) { // buffer is an ArrayBuffer
@@ -8,6 +9,8 @@ function buf2hex(buffer) { // buffer is an ArrayBuffer
 class NimCompiler {
   constructor(embark, _options) {
     this.events = embark.events;
+    this.logger = embark.logger;
+
     embark.registerCompiler(".nim", this.compile.bind(this));
   }
 
@@ -16,23 +19,23 @@ class NimCompiler {
 
     // Get code from wasm file
     // const codeHex = "0x" + buf2hex(fs.readFileSync(wasmFile));
-  // C:/dev/nimplay/examples/king_of_the_hill.nim
+
-    // C:/dev/embark-nim-compiler/tools/abi_gen
+
     // Get ABI from nim file
-    exec(`C:/dev/embark-nim-compiler/tools/abi_gen ${contractFiles[0].path}`, (err, stdout, setderr) => {
+    exec(`${path.join(__dirname, './tools/abi_gen')} ${contractFiles[0].path}`, (err, stdout, stderr) => {
-      console.log('allo');
+      if (err) {
+        this.logger.error('Error while getting ABI');
+        this.logger.error(stderr);
+	return cb(err);
+     }
+     try {
+       const abi = JSON.parse(stdout);
+     } catch(e) {
+       return cb(e);
+     }
     });
-    // cmdline = ['./tools/abi_gen', fpath.replace('wasm', 'nim')]
-    // completed_process = subprocess.run(
-    //   cmdline,
-    //   stdout=subprocess.PIPE,
-    // )
-    // if completed_process.returncode != 0:
-    // print(completed_process.stdout)
-    // print(completed_process.stderr)
-    // raise Exception('Could not get ABI')
-    // return json.loads(completed_process.stdout)
   }
 }
 
 module.exports = NimCompiler
+