mirror of https://github.com/pulumi/pulumi.git
129 lines
3.2 KiB
Go
129 lines
3.2 KiB
Go
// Copyright 2016-2020, Pulumi Corporation.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package model
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
|
|
"github.com/hashicorp/hcl/v2"
|
|
"github.com/hashicorp/hcl/v2/hclsyntax"
|
|
"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
|
|
)
|
|
|
|
// Block represents an HCL2 block.
|
|
type Block struct {
|
|
// The syntax node for the block, if any.
|
|
Syntax *hclsyntax.Block
|
|
// The tokens for the block.
|
|
Tokens *syntax.BlockTokens
|
|
|
|
// The block's type.
|
|
Type string
|
|
// The block's labels.
|
|
Labels []string
|
|
|
|
// The block's body.
|
|
Body *Body
|
|
}
|
|
|
|
// SyntaxNode returns the syntax node of the block, and will either return an *hclsyntax.Block or syntax.None.
|
|
func (b *Block) SyntaxNode() hclsyntax.Node {
|
|
return syntaxOrNone(b.Syntax)
|
|
}
|
|
|
|
func (b *Block) HasLeadingTrivia() bool {
|
|
return b.Tokens != nil
|
|
}
|
|
|
|
func (b *Block) HasTrailingTrivia() bool {
|
|
return b.Tokens != nil
|
|
}
|
|
|
|
func (b *Block) GetLeadingTrivia() syntax.TriviaList {
|
|
return b.Tokens.GetType(b.Type).LeadingTrivia
|
|
}
|
|
|
|
func (b *Block) GetTrailingTrivia() syntax.TriviaList {
|
|
return b.Tokens.GetCloseBrace().TrailingTrivia
|
|
}
|
|
|
|
func (b *Block) Format(f fmt.State, c rune) {
|
|
b.print(f, &printer{})
|
|
}
|
|
|
|
func (b *Block) print(w io.Writer, p *printer) {
|
|
// Print the type.
|
|
p.fprintf(w, "%v", b.Tokens.GetType(b.Type))
|
|
|
|
// Print the labels with leading and trailing trivia.
|
|
labelTokens := b.Tokens.GetLabels(b.Labels)
|
|
for i, l := range b.Labels {
|
|
var t syntax.Token
|
|
if i < len(labelTokens) {
|
|
t = labelTokens[i]
|
|
}
|
|
if hclsyntax.ValidIdentifier(l) {
|
|
t = identToken(t, l)
|
|
} else {
|
|
l = fmt.Sprintf("%q", l)
|
|
if t.Raw.Type != hclsyntax.TokenQuotedLit || string(t.Raw.Bytes) != l {
|
|
t.Raw.Type = hclsyntax.TokenQuotedLit
|
|
t.Raw.Bytes = []byte(l)
|
|
}
|
|
}
|
|
p.fprintf(w, "% v", t)
|
|
}
|
|
if len(b.Labels) < len(labelTokens) {
|
|
for _, l := range labelTokens[len(b.Labels):] {
|
|
p.fprintf(w, "%v", syntax.Token{
|
|
LeadingTrivia: l.LeadingTrivia,
|
|
TrailingTrivia: l.TrailingTrivia,
|
|
})
|
|
}
|
|
}
|
|
|
|
// Print the opening brace.
|
|
p.fprintf(w, "% v", b.Tokens.GetOpenBrace())
|
|
|
|
// Print the block contents.
|
|
p.indented(func() {
|
|
b.Body.print(w, p)
|
|
})
|
|
|
|
if b.Tokens != nil {
|
|
p.fprintf(w, "%v", b.Tokens.GetCloseBrace())
|
|
} else {
|
|
p.fprintf(w, "%s}", p.indent)
|
|
}
|
|
}
|
|
|
|
func (*Block) isBodyItem() {}
|
|
|
|
// BindBlock binds an HCL2 block using the given scopes and token map.
|
|
func BindBlock(block *hclsyntax.Block, scopes Scopes, tokens syntax.TokenMap,
|
|
opts ...BindOption,
|
|
) (*Block, hcl.Diagnostics) {
|
|
body, diagnostics := BindBody(block.Body, scopes, tokens, opts...)
|
|
blockTokens, _ := tokens.ForNode(block).(*syntax.BlockTokens)
|
|
return &Block{
|
|
Syntax: block,
|
|
Tokens: blockTokens,
|
|
Type: block.Type,
|
|
Labels: block.Labels,
|
|
Body: body,
|
|
}, diagnostics
|
|
}
|