87 lines
2.4 KiB
Go
87 lines
2.4 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 model
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import (
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"fmt"
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"io"
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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/syntax"
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)
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// Attribute represents an HCL2 attribute.
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type Attribute struct {
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// The syntax node for the attribute, if any.
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Syntax *hclsyntax.Attribute
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// The tokens for the attribute.
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Tokens *syntax.AttributeTokens
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// The attribute's name.
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Name string
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// The attribute's value.
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Value Expression
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}
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// SyntaxNode returns the syntax node of the attribute, and will either return an *hclsyntax.Attribute or syntax.None.
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func (a *Attribute) SyntaxNode() hclsyntax.Node {
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return syntaxOrNone(a.Syntax)
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}
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func (a *Attribute) HasLeadingTrivia() bool {
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return a.Tokens != nil
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}
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func (a *Attribute) HasTrailingTrivia() bool {
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return a.Value.HasTrailingTrivia()
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}
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func (a *Attribute) GetLeadingTrivia() syntax.TriviaList {
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return a.Tokens.GetName(a.Name).LeadingTrivia
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}
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func (a *Attribute) GetTrailingTrivia() syntax.TriviaList {
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return a.Value.GetTrailingTrivia()
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}
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func (a *Attribute) Format(f fmt.State, c rune) {
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a.print(f, &printer{})
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}
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func (a *Attribute) print(w io.Writer, p *printer) {
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p.fprintf(w, "%v% v% v", a.Tokens.GetName(a.Name), a.Tokens.GetEquals(), a.Value)
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}
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func (a *Attribute) Type() Type {
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return a.Value.Type()
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}
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func (*Attribute) isBodyItem() {}
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// BindAttribute binds an HCL2 attribute using the given scope and token map.
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func BindAttribute(attribute *hclsyntax.Attribute, scope *Scope, tokens syntax.TokenMap,
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opts ...BindOption) (*Attribute, hcl.Diagnostics) {
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value, diagnostics := BindExpression(attribute.Expr, scope, tokens, opts...)
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attributeTokens, _ := tokens.ForNode(attribute).(*syntax.AttributeTokens)
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return &Attribute{
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Syntax: attribute,
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Tokens: attributeTokens,
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Name: attribute.Name,
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Value: value,
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}, diagnostics
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}
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