Add templates for escaped and unescaped 'yield' and 'await' as identifiers

src/async-functions/await-as-binding-identifier-escaped.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as a binding identifier.
+info: |
+  BindingIdentifier : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  var \u0061wait;

src/async-functions/await-as-binding-identifier.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as a binding identifier.
+info: |
+  BindingIdentifier : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  var await;

src/async-functions/await-as-identifier-reference-escaped.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as an identifier reference.
+info: |
+  IdentifierReference : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  void \u0061wait;

src/async-functions/await-as-identifier-reference.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as an identifier reference.
+info: |
+  IdentifierReference : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  void await;

src/async-functions/await-as-label-identifier-escaped.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as a label identifier.
+info: |
+  LabelIdentifier : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  \u0061wait: ;

src/async-functions/await-as-label-identifier.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as a label identifier.
+info: |
+  LabelIdentifier : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  await: ;

src/async-functions/syntax/async-arrow.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/async-arrow-function/
+name: Async arrow function
+esid: prod-AsyncArrowFunction
+info: |
+  Async Arrow Function Definitions
+
+  AsyncArrowFunction[In, Yield, Await]:
+    async [no LineTerminator here] AsyncArrowBindingIdentifier[?Yield] [no LineTerminator here] => AsyncConciseBody[?In]
+    CoverCallExpressionAndAsyncArrowHead[?Yield, ?Await] [no LineTerminator here] => AsyncConciseBody[?In]
+
+  AsyncConciseBody[In]:
+    { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+async() => {
+  /*{ body }*/
+};

src/async-functions/syntax/async-class-decl-method.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/statements/class/async-method-
+name: Async method as a ClassDeclaration element
+esid: prod-AsyncMethod
+info: |
+  ClassElement :
+    MethodDefinition
+
+  MethodDefinition :
+    AsyncMethod
+
+  Async Function Definitions
+
+  AsyncMethod :
+    async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+class C { async method() {
+    /*{ body }*/
+}}

src/async-functions/syntax/async-class-decl-static-method.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/statements/class/async-method-static-
+name: Static async method as a ClassDeclaration element
+esid: prod-AsyncMethod
+info: |
+  ClassElement :
+    static MethodDefinition
+
+  MethodDefinition :
+    AsyncMethod
+
+  Async Function Definitions
+
+  AsyncMethod :
+    async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+class C { static async method() {
+    /*{ body }*/
+}}

src/async-functions/syntax/async-class-expr-method.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/class/async-method-
+name: Async method as a ClassExpression element
+esid: prod-AsyncMethod
+info: |
+  ClassElement :
+    MethodDefinition
+
+  MethodDefinition :
+    AsyncMethod
+
+  Async Function Definitions
+
+  AsyncMethod :
+    async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+var C = class { async method() {
+    /*{ body }*/
+}};

src/async-functions/syntax/async-class-expr-static-method.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/class/async-method-static-
+name: Static async method as a ClassExpression element
+esid: prod-AsyncMethod
+info: |
+  ClassElement :
+    static MethodDefinition
+
+  MethodDefinition :
+    AsyncMethod
+
+  Async Function Definitions
+
+  AsyncMethod :
+    async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+var C = class { static async method() {
+    /*{ body }*/
+}};

src/async-functions/syntax/async-declaration.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/statements/async-function/
+name: Async function declaration
+esid: prod-AsyncFunctionDeclaration
+info: |
+  Async Function Definitions
+
+  AsyncFunctionDeclaration:
+    async [no LineTerminator here] function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+async function fn() {
+  /*{ body }*/
+}

src/async-functions/syntax/async-expression-named.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/async-function/named-
+name: Named async function expression
+esid: prod-AsyncFunctionExpression
+info: |
+  Async Function Definitions
+
+  AsyncFunctionExpression :
+    async [no LineTerminator here] function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+var fn = async function fn() {
+  /*{ body }*/
+};

src/async-functions/syntax/async-expression.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/async-function/
+name: Unnamed async function expression
+esid: prod-AsyncFunctionExpression
+info: |
+  Async Function Definitions
+
+  AsyncFunctionExpression :
+    async [no LineTerminator here] function ( FormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+var fn = async function () {
+  /*{ body }*/
+};

src/async-functions/syntax/async-obj-method.template

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/object/method-definition/async-
+name: Async method
+esid: prod-AsyncMethod
+info: |
+  Async Function Definitions
+
+  AsyncMethod :
+    async [no LineTerminator here] PropertyName ( UniqueFormalParameters ) { AsyncFunctionBody }
+features: [async-functions]
+---*/
+
+var obj = {
+  async method() {
+    /*{ body }*/
+  }
+};

src/async-generators/await-as-binding-identifier-escaped.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as a binding identifier.
+info: |
+  BindingIdentifier : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  var \u0061wait;

src/async-generators/await-as-binding-identifier.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as a binding identifier.
+info: |
+  BindingIdentifier : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  var await;

src/async-generators/await-as-identifier-reference-escaped.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as an identifier reference.
+info: |
+  IdentifierReference : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  void \u0061wait;

src/async-generators/await-as-identifier-reference.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as an identifier reference.
+info: |
+  IdentifierReference : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  void await;

src/async-generators/await-as-label-identifier-escaped.case

+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-identifiers-static-semantics-early-errors
+desc: >
+  await is a reserved keyword within generator function bodies and may not be
+  used as a label identifier.
+info: |
+  LabelIdentifier : Identifier
+
+  It is a Syntax Error if this production has a [Await] parameter and
+  StringValue of Identifier is "await".
+negative:
+  phase: early
+  type: SyntaxError
+template: syntax
+---*/
+
+//- body
+  \u0061wait: ;