125 lines
3.8 KiB
Go
125 lines
3.8 KiB
Go
// Copyright 2016-2020, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hcl2
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import (
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/model"
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"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
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"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
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)
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// ResourceOptions represents a resource instantiation's options.
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type ResourceOptions struct {
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// The definition of the resource options.
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Definition *model.Block
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// An expression to range over when instantiating the resource.
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Range model.Expression
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// The resource's parent, if any.
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Parent model.Expression
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// The provider to use.
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Provider model.Expression
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// The explicit dependencies of the resource.
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DependsOn model.Expression
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// Whether or not the resource is protected.
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Protect model.Expression
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// A list of properties that are not considered when diffing the resource.
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IgnoreChanges model.Expression
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}
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// Resource represents a resource instantiation inside of a program or component.
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type Resource struct {
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node
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syntax *hclsyntax.Block
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// The definition of the resource.
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Definition *model.Block
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// Token is the type token for this resource.
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Token string
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// Schema is the schema definition for this resource, if any.
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Schema *schema.Resource
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// The type of the resource's inputs. This will always be either Any or an object type.
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InputType model.Type
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// The type of the resource's outputs. This will always be either Any or an object type.
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OutputType model.Type
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// The type of the resource variable.
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VariableType model.Type
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// The resource's input attributes, in source order.
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Inputs []*model.Attribute
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// The resource's options, if any.
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Options *ResourceOptions
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}
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// SyntaxNode returns the syntax node associated with the resource.
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func (r *Resource) SyntaxNode() hclsyntax.Node {
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return r.syntax
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}
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// Type returns the type of the resource.
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func (r *Resource) Type() model.Type {
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return r.VariableType
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}
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func (r *Resource) VisitExpressions(pre, post model.ExpressionVisitor) hcl.Diagnostics {
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return model.VisitExpressions(r.Definition, pre, post)
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}
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func (r *Resource) Traverse(traverser hcl.Traverser) (model.Traversable, hcl.Diagnostics) {
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return r.VariableType.Traverse(traverser)
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}
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// Name returns the name of the resource.
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func (r *Resource) Name() string {
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return r.Definition.Labels[0]
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}
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// DecomposeToken attempts to decompose the resource's type token into its package, module, and type. If decomposition
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// fails, a description of the failure is returned in the diagnostics.
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func (r *Resource) DecomposeToken() (string, string, string, hcl.Diagnostics) {
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_, tokenRange := getResourceToken(r)
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return DecomposeToken(r.Token, tokenRange)
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}
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// ResourceProperty represents a resource property.
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type ResourceProperty struct {
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Path hcl.Traversal
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PropertyType model.Type
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}
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func (*ResourceProperty) SyntaxNode() hclsyntax.Node {
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return syntax.None
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}
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func (p *ResourceProperty) Traverse(traverser hcl.Traverser) (model.Traversable, hcl.Diagnostics) {
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propertyType, diagnostics := p.PropertyType.Traverse(traverser)
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return &ResourceProperty{
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Path: append(p.Path, traverser),
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PropertyType: propertyType.(model.Type),
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}, diagnostics
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}
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func (p *ResourceProperty) Type() model.Type {
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return ResourcePropertyType
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}
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