Add step-out debugger command.

lib/debugger-controller.js

@@ -24,6 +24,7 @@ export default class DebuggerController {
       'debugger:pause': () => { this.pause() },
       'debugger:step-into': () => { this.stepInto() },
       'debugger:step-over': () => { this.stepOver() },
+      'debugger:step-out': () => { this.stepOut() },
       'debugger:toggle-breakpoint-at-current-line': () => { this.toggleBreakpoint() }
     })
   }
@@ -110,6 +111,10 @@ export default class DebuggerController {
     this.debuggerRegistry.getDebuggerProxy().stepOver()
   }
 
+  stepOut(): void {
+    this.debuggerRegistry.getDebuggerProxy().stepOut()
+  }
+
   toggleBreakpoint(): void {
     const activeEditor = atom.workspace.getActiveTextEditor()
 

lib/debugger-proxy.js

@@ -220,6 +220,15 @@ export default class DebuggerProxy {
     }
   }
 
+  stepOut(): void {
+
+    let debug = this.getActiveDebugger()
+
+    if (debug) {
+      debug.stepOut()
+    }
+  }
+
   getCallStack(): Promise<Array<StackFrame>> {
 
     let debug = this.getActiveDebugger()

lib/types.js

@@ -42,6 +42,8 @@ export type Debugger = {
 
   stepOver(): void,
 
+  stepOut(): void,
+
   insertBreakpoint(breakpoint: Breakpoint): void,
 
   getCallStack(): Promise<Array<StackFrame>>,