1 // Copyright 2017 Google Inc. All Rights Reserved.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
17 // Context contains state of the compiler as it traverses a document.
21 ExtensionHandlers *[]ExtensionHandler
24 // NewContextWithExtensions returns a new object representing the compiler state
25 func NewContextWithExtensions(name string, parent *Context, extensionHandlers *[]ExtensionHandler) *Context {
26 return &Context{Name: name, Parent: parent, ExtensionHandlers: extensionHandlers}
29 // NewContext returns a new object representing the compiler state
30 func NewContext(name string, parent *Context) *Context {
32 return &Context{Name: name, Parent: parent, ExtensionHandlers: parent.ExtensionHandlers}
34 return &Context{Name: name, Parent: parent, ExtensionHandlers: nil}
37 // Description returns a text description of the compiler state
38 func (context *Context) Description() string {
39 if context.Parent != nil {
40 return context.Parent.Description() + "." + context.Name