debug: allow adapters to contribute snippets

src/vs/workbench/parts/debug/common/debug.ts

@@ -8,6 +8,7 @@ import uri from 'vs/base/common/uri';
 import { TPromise } from 'vs/base/common/winjs.base';
 import Event from 'vs/base/common/event';
 import severity from 'vs/base/common/severity';
+import { IJSONSchemaSnippet } from 'vs/base/common/jsonSchema';
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
 import { IModel as EditorIModel, IEditorContribution, IRange } from 'vs/editor/common/editorCommon';
 import { Position } from 'vs/editor/common/core/position';
@@ -313,6 +314,7 @@ export interface IRawEnvAdapter {
 export interface IRawAdapter extends IRawEnvAdapter {
 	enableBreakpointsFor?: { languageIds: string[] };
 	configurationAttributes?: any;
+	configurationSnippets?: IJSONSchemaSnippet[];
 	initialConfigurations?: any[] | string;
 	variables: { [key: string]: string };
 	aiKey?: string;

src/vs/workbench/parts/debug/node/debugAdapter.ts

@@ -9,7 +9,7 @@ import * as strings from 'vs/base/common/strings';
 import * as objects from 'vs/base/common/objects';
 import * as paths from 'vs/base/common/paths';
 import * as platform from 'vs/base/common/platform';
-import { IJSONSchema } from 'vs/base/common/jsonSchema';
+import { IJSONSchema, IJSONSchemaSnippet } from 'vs/base/common/jsonSchema';
 import { IRawAdapter } from 'vs/workbench/parts/debug/common/debug';
 import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
 import { IConfigurationResolverService } from 'vs/workbench/services/configurationResolver/common/configurationResolver';
@@ -72,6 +72,10 @@ export class Adapter {
 		return this.rawAdapter.variables;
 	}
 
+	public get configurationSnippets(): IJSONSchemaSnippet[] {
+		return this.rawAdapter.configurationSnippets;
+	}
+
 	public merge(secondRawAdapter: IRawAdapter, extensionDescription: IExtensionDescription): void {
 		if (secondRawAdapter.program) {
 			secondRawAdapter.program = paths.join(extensionDescription.extensionFolderPath, secondRawAdapter.program);

src/vs/workbench/parts/debug/node/debugConfigurationManager.ts

@@ -69,6 +69,10 @@ export const debuggersExtPoint = extensionsRegistry.ExtensionsRegistry.registerE
 				description: nls.localize('vscode.extension.contributes.debuggers.initialConfigurations', "Configurations for generating the initial \'launch.json\'."),
 				type: ['array', 'string'],
 			},
+			configurationSnippets: {
+				description: nls.localize('vscode.extension.contributes.debuggers.configurationSnippets', "Snippets for adding new configurations in \'launch.json\'."),
+				type: 'object'
+			},
 			configurationAttributes: {
 				description: nls.localize('vscode.extension.contributes.debuggers.configurationAttributes', "JSON schema configurations for validating \'launch.json\'."),
 				type: 'object'
@@ -142,6 +146,7 @@ const schema: IJSONSchema = {
 			type: 'array',
 			description: nls.localize('app.launch.json.configurations', "List of configurations. Add new configurations or edit existing ones by using IntelliSense."),
 			items: {
+				defaultSnippets: [],
 				'type': 'object',
 				oneOf: []
 			}
@@ -198,12 +203,16 @@ export class ConfigurationManager implements debug.IConfigurationManager {
 				});
 			});
 
-			// update the schema to include all attributes and types from extensions.
-			// debug.schema.properties['configurations'].items.properties.type.enum = this.adapters.map(adapter => adapter.type);
+			// update the schema to include all attributes, snippets and types from extensions.
 			this.adapters.forEach(adapter => {
+				const items = (<IJSONSchema>schema.properties['configurations'].items);
 				const schemaAttributes = adapter.getSchemaAttributes();
 				if (schemaAttributes) {
-					(<IJSONSchema>schema.properties['configurations'].items).oneOf.push(...schemaAttributes);
+					items.oneOf.push(...schemaAttributes);
+				}
+				const configurationSnippets = adapter.configurationSnippets;
+				if (configurationSnippets) {
+					items.defaultSnippets.push(...configurationSnippets);
 				}
 			});
 		});