feat: more accurate and specific binding scopes (#598)

* Moved and renamed Template grammar for consistency

* Mark structural directive's asterisk prefix as punctuation

* Add actual attribute name to scope

* Updated snapshot

* Formatting

Author: dannymcgee

syntaxes/src/build.ts

@@ -8,10 +8,10 @@
 
 import * as fs from 'fs';
 
-import {GrammarDefinition, JsonObject} from './types';
-import {template} from './template/grammar';
-import {InlineTemplate} from './inline-template';
 import {InlineStyles} from './inline-styles';
+import {InlineTemplate} from './inline-template';
+import {Template} from './template';
+import {GrammarDefinition, JsonObject} from './types';
 
 // Recursively transforms a TypeScript grammar definition into an object which can be processed by
 // JSON.stringify to generate a valid TextMate JSON grammar definition
@@ -42,6 +42,6 @@ function build(grammar: GrammarDefinition, filename: string): void {
   });
 }
 
-build(template, 'template');
+build(Template, 'template');
 build(InlineTemplate, 'inline-template');
 build(InlineStyles, 'inline-styles');

syntaxes/src/template/grammar.ts renamed to syntaxes/src/template.ts

@@ -6,9 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {GrammarDefinition} from '../types';
+import {GrammarDefinition} from './types';
 
-export const template: GrammarDefinition = {
+export const Template: GrammarDefinition = {
   scopeName: 'template.ng',
   injectionSelector: 'L:text.html -comment',
   patterns: [
@@ -130,10 +130,11 @@ export const template: GrammarDefinition = {
     bindingKey: {
       patterns: [
         {
-          match: /([\[\(]{1,2})(?:\s*)(@?[-_a-zA-Z0-9.$]*)(?:\s*)([\]\)]{1,2})/,
+          match: /([\[\(]{1,2}|\*)(?:\s*)(@?[-_a-zA-Z0-9.$]*)(?:\s*)([\]\)]{1,2})?/,
           captures: {
             1: {name: 'punctuation.definition.ng-binding-name.begin.html'},
             2: {
+              name: 'entity.other.ng-binding-name.$2.html',
               patterns: [
                 {
                   match: /\./,