mirror of https://github.com/pulumi/pulumi.git
117 lines
2.9 KiB
Go
117 lines
2.9 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 pcl
|
|
|
|
import (
|
|
"io"
|
|
"sort"
|
|
|
|
"github.com/hashicorp/hcl/v2"
|
|
"github.com/hashicorp/hcl/v2/hclsyntax"
|
|
"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/model"
|
|
"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
|
|
"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
|
|
)
|
|
|
|
// Node represents a single definition in a program or component. Nodes may be config, locals, resources, or outputs.
|
|
type Node interface {
|
|
model.Definition
|
|
|
|
// Name returns the lexical name of the node.
|
|
Name() string
|
|
|
|
// Type returns the type of the node.
|
|
Type() model.Type
|
|
|
|
// VisitExpressions visits the expressions that make up the node's body.
|
|
VisitExpressions(pre, post model.ExpressionVisitor) hcl.Diagnostics
|
|
|
|
markBinding()
|
|
markBound()
|
|
isBinding() bool
|
|
isBound() bool
|
|
|
|
getDependencies() []Node
|
|
setDependencies(nodes []Node)
|
|
|
|
isNode()
|
|
}
|
|
|
|
type node struct {
|
|
binding bool
|
|
bound bool
|
|
deps []Node
|
|
}
|
|
|
|
func (r *node) markBinding() {
|
|
r.binding = true
|
|
}
|
|
|
|
func (r *node) markBound() {
|
|
r.bound = true
|
|
}
|
|
|
|
func (r *node) isBinding() bool {
|
|
return r.binding && !r.bound
|
|
}
|
|
|
|
func (r *node) isBound() bool {
|
|
return r.bound
|
|
}
|
|
|
|
func (r *node) getDependencies() []Node {
|
|
return r.deps
|
|
}
|
|
|
|
func (r *node) setDependencies(nodes []Node) {
|
|
r.deps = nodes
|
|
}
|
|
|
|
func (*node) isNode() {}
|
|
|
|
// Program represents a semantically-analyzed Pulumi HCL2 program.
|
|
type Program struct {
|
|
Nodes []Node
|
|
|
|
files []*syntax.File
|
|
|
|
binder *binder
|
|
}
|
|
|
|
// NewDiagnosticWriter creates a new hcl.DiagnosticWriter for use with diagnostics generated by the program.
|
|
func (p *Program) NewDiagnosticWriter(w io.Writer, width uint, color bool) hcl.DiagnosticWriter {
|
|
return syntax.NewDiagnosticWriter(w, p.files, width, color)
|
|
}
|
|
|
|
// BindExpression binds an HCL2 expression in the top-level context of the program.
|
|
func (p *Program) BindExpression(node hclsyntax.Node) (model.Expression, hcl.Diagnostics) {
|
|
return p.binder.bindExpression(node)
|
|
}
|
|
|
|
// Packages returns the list of package schemas used by this program.
|
|
func (p *Program) Packages() []*schema.Package {
|
|
keys := make([]string, 0, len(p.binder.referencedPackages))
|
|
for k := range p.binder.referencedPackages {
|
|
keys = append(keys, k)
|
|
}
|
|
sort.Strings(keys)
|
|
|
|
values := make([]*schema.Package, 0, len(p.binder.referencedPackages))
|
|
for _, k := range keys {
|
|
values = append(values, p.binder.referencedPackages[k])
|
|
}
|
|
return values
|
|
}
|