1// Copyright 2017 Google LLC. All Rights Reserved.
2//
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
6//
7//    http://www.apache.org/licenses/LICENSE-2.0
8//
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.
14
15package compiler
16
17import (
18	yaml "gopkg.in/yaml.v3"
19)
20
21// Context contains state of the compiler as it traverses a document.
22type Context struct {
23	Parent            *Context
24	Name              string
25	Node              *yaml.Node
26	ExtensionHandlers *[]ExtensionHandler
27}
28
29// NewContextWithExtensions returns a new object representing the compiler state
30func NewContextWithExtensions(name string, node *yaml.Node, parent *Context, extensionHandlers *[]ExtensionHandler) *Context {
31	return &Context{Name: name, Node: node, Parent: parent, ExtensionHandlers: extensionHandlers}
32}
33
34// NewContext returns a new object representing the compiler state
35func NewContext(name string, node *yaml.Node, parent *Context) *Context {
36	if parent != nil {
37		return &Context{Name: name, Node: node, Parent: parent, ExtensionHandlers: parent.ExtensionHandlers}
38	}
39	return &Context{Name: name, Parent: parent, ExtensionHandlers: nil}
40}
41
42// Description returns a text description of the compiler state
43func (context *Context) Description() string {
44	name := context.Name
45	if context.Parent != nil {
46		name = context.Parent.Description() + "." + name
47	}
48	return name
49}
50