Added LLDB support (fix #39)

src/backend/mi2/mi2lldb.ts

@@ -0,0 +1,50 @@
+import { MI2, escape } from "./mi2"
+import { Breakpoint } from "../backend"
+import * as ChildProcess from "child_process"
+import { posix } from "path"
+import * as nativePath from "path"
+let path = posix;
+
+export class MI2_LLDB extends MI2 {
+	protected initCommands(target: string, cwd: string) {
+		return [
+			this.sendCommand("gdb-set target-async on"),
+			this.sendCommand("file-exec-and-symbols \"" + escape(target) + "\"")
+		];
+	}
+
+	attach(cwd: string, executable: string, target: string): Thenable<any> {
+		return new Promise((resolve, reject) => {
+			this.process = ChildProcess.spawn(this.application, this.preargs, { cwd: cwd });
+			this.process.stdout.on("data", this.stdout.bind(this));
+			this.process.stderr.on("data", this.stdout.bind(this));
+			this.process.on("exit", (() => { this.emit("quit"); }).bind(this));
+			Promise.all([
+				this.sendCommand("gdb-set target-async on"),
+				this.sendCommand("file-exec-and-symbols \"" + escape(executable) + "\""),
+				this.sendCommand("target-attach " + target)
+			]).then(() => {
+				this.emit("debug-ready");
+				resolve();
+			}, reject);
+		});
+	}
+
+	clearBreakPoints(): Thenable<any> {
+		return new Promise((resolve, reject) => {
+			let promises = [];
+			for (let k in this.breakpoints.values) {
+				promises.push(this.sendCommand("break-delete " + k).then((result) => {
+					if (result.resultRecords.resultClass == "done") resolve(true);
+					else resolve(false);
+				}));
+			}
+			this.breakpoints.clear();
+			Promise.all(promises).then(resolve, reject);
+		});
+	}
+
+	setBreakPointCondition(bkptNum, condition): Thenable<any> {
+		return this.sendCommand("break-condition " + bkptNum + " \"" + escape(condition) + "\" 1");
+	}
+}