2020-03-17 04:04:32 +01:00
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// 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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2021-03-17 14:20:05 +01:00
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"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/model"
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2020-03-17 04:04:32 +01:00
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"github.com/zclconf/go-cty/cty"
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)
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2020-05-11 19:21:56 +02:00
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const Invoke = "invoke"
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2020-03-17 04:04:32 +01:00
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func getInvokeToken(call *hclsyntax.FunctionCallExpr) (string, hcl.Range, bool) {
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2020-05-11 19:21:56 +02:00
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if call.Name != Invoke || len(call.Args) < 1 {
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2020-03-17 04:04:32 +01:00
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return "", hcl.Range{}, false
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}
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2020-04-07 04:43:16 +02:00
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template, ok := call.Args[0].(*hclsyntax.TemplateExpr)
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if !ok || len(template.Parts) != 1 {
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return "", hcl.Range{}, false
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}
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literal, ok := template.Parts[0].(*hclsyntax.LiteralValueExpr)
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2020-03-17 04:04:32 +01:00
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if !ok {
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return "", hcl.Range{}, false
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}
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if literal.Val.Type() != cty.String {
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return "", hcl.Range{}, false
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}
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return literal.Val.AsString(), call.Args[0].Range(), true
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}
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2020-04-07 04:43:16 +02:00
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func (b *binder) bindInvokeSignature(args []model.Expression) (model.StaticFunctionSignature, hcl.Diagnostics) {
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signature := model.StaticFunctionSignature{
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Parameters: []model.Parameter{
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{
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Name: "token",
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Type: model.StringType,
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},
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{
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Name: "args",
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Type: model.NewOptionalType(model.DynamicType),
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},
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{
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Name: "provider",
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Type: model.NewOptionalType(model.StringType),
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},
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},
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ReturnType: model.DynamicType,
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}
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if len(args) < 1 {
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return signature, nil
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}
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template, ok := args[0].(*model.TemplateExpression)
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if !ok || len(template.Parts) != 1 {
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return signature, hcl.Diagnostics{tokenMustBeStringLiteral(args[0])}
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}
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lit, ok := template.Parts[0].(*model.LiteralValueExpression)
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2021-06-24 18:17:55 +02:00
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if !ok || model.StringType.ConversionFrom(lit.Type()) == model.NoConversion {
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2020-04-07 04:43:16 +02:00
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return signature, hcl.Diagnostics{tokenMustBeStringLiteral(args[0])}
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}
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token, tokenRange := lit.Value.AsString(), args[0].SyntaxNode().Range()
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pkg, _, _, diagnostics := DecomposeToken(token, tokenRange)
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if diagnostics.HasErrors() {
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return signature, diagnostics
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}
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2020-04-30 22:22:24 +02:00
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pkgSchema, ok := b.options.packageCache.entries[pkg]
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2020-04-07 04:43:16 +02:00
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if !ok {
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return signature, hcl.Diagnostics{unknownPackage(pkg, tokenRange)}
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}
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fn, ok := pkgSchema.functions[token]
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if !ok {
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canon := canonicalizeToken(token, pkgSchema.schema)
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if fn, ok = pkgSchema.functions[canon]; ok {
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token, lit.Value = canon, cty.StringVal(canon)
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}
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}
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if !ok {
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return signature, hcl.Diagnostics{unknownFunction(token, tokenRange)}
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}
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// Create args and result types for the schema.
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if fn.Inputs == nil {
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signature.Parameters[1].Type = model.NewOptionalType(model.NewObjectType(map[string]model.Type{}))
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} else {
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2020-04-21 18:18:09 +02:00
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signature.Parameters[1].Type = b.schemaTypeToType(fn.Inputs)
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2020-04-07 04:43:16 +02:00
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}
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if fn.Outputs == nil {
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signature.ReturnType = model.NewObjectType(map[string]model.Type{})
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} else {
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2020-04-21 18:18:09 +02:00
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signature.ReturnType = b.schemaTypeToType(fn.Outputs)
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2020-04-07 04:43:16 +02:00
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}
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signature.ReturnType = model.NewPromiseType(signature.ReturnType)
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return signature, nil
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}
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