Fallback to raw output when JSON.parse fails

Partial fix for #77

src/backend/mi_parse.ts

@@ -136,7 +136,13 @@ export function parseMI(output: string): MINode {
 			stringEnd++;
 		}
 		// hax
-		let str = JSON.parse(output.substr(0, stringEnd));
+		let str;
+		try {
+			str = JSON.parse(output.substr(0, stringEnd));
+		}
+		catch (e) {
+			str = output.substr(0, stringEnd);
+		}
 		output = output.substr(stringEnd);
 		return str;
 	};

test/mi_parse.test.ts

@@ -23,6 +23,18 @@ suite("MI Parse", () => {
 		assert.equal(parsed.outOfBandRecord[0].content, "[Thread 0x7fffe993a700 (LWP 11002) exited]\n");
 		assert.equal(parsed.resultRecords, undefined);
 	});
+	test("Unicode", () => {
+		let parsed = parseMI(`~"[Depuraci\\303\\263n de hilo usando libthread_db enabled]\\n"`);
+		assert.ok(parsed);
+		assert.equal(parsed.token, undefined);
+		assert.equal(parsed.outOfBandRecord.length, 1);
+		assert.equal(parsed.outOfBandRecord[0].isStream, true);
+		// Hack
+		assert.equal(parsed.outOfBandRecord[0].content, `"[Depuraci\\303\\263n de hilo usando libthread_db enabled]\\n"`);
+		// Better Goal:
+		//assert.equal(parsed.outOfBandRecord[0].content, "[Depuración de hilo usando libthread_db enabled]\n");
+		assert.equal(parsed.resultRecords, undefined);
+	});
 	test("Empty line", () => {
 		let parsed = parseMI(``);
 		assert.ok(parsed);