Prefill Required Attributes

This adds a new experimental setting for prefilling required fields as blocks are completed from intellisense. For example, completing a resource provider will fill in the required attributes automatically.

go.mod

@@ -35,3 +35,5 @@ require (
  github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b
  golang.org/x/tools v0.0.0-20200323144430-8dcfad9e016e
 )
+
+replace github.com/hashicorp/hcl-lang => ../hcl-lang

go.sum

@@ -190,9 +190,6 @@ github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+l
 github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
-github.com/hashicorp/hcl-lang v0.0.0-20210803155453-7c098e4940bc/go.mod h1:xzXU6Fn+TWVaZUFxV8CyAsObi2oMgSEFAmLvCx2ArzM=
-github.com/hashicorp/hcl-lang v0.0.0-20210823185445-8fcbc27a6a22 h1:Yji8S7wFSfEj/KyzP/0J/f007tyKboV9rBz5u4uZ2r4=
-github.com/hashicorp/hcl-lang v0.0.0-20210823185445-8fcbc27a6a22/go.mod h1:D7lBT7dekCcgbxzIHHBFvaRm42u5jY0pDoiC2J6A2KM=
 github.com/hashicorp/hcl/v2 v2.10.1 h1:h4Xx4fsrRE26ohAk/1iGF/JBqRQbyUqu5Lvj60U54ys=
 github.com/hashicorp/hcl/v2 v2.10.1/go.mod h1:FwWsfWEjyV/CMj8s/gqAuiviY72rJ1/oayI9WftqcKg=
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
@@ -383,7 +380,6 @@ github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q
 github.com/zclconf/go-cty v1.2.1/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
 github.com/zclconf/go-cty v1.8.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
 github.com/zclconf/go-cty v1.8.4/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
-github.com/zclconf/go-cty v1.9.0/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
 github.com/zclconf/go-cty v1.9.1 h1:viqrgQwFl5UpSxc046qblj78wZXVDFnSOufaOTER+cc=
 github.com/zclconf/go-cty v1.9.1/go.mod h1:vVKLxnk3puL4qRAv72AO+W99LUD4da90g3uUAzyuvAk=
 github.com/zclconf/go-cty-debug v0.0.0-20191215020915-b22d67c1ba0b h1:FosyBZYxY34Wul7O/MSKey3txpPYyCqVO5ZyceuQJEI=

internal/langserver/handlers/complete.go

@@ -47,6 +47,13 @@ func (h *logHandler) TextDocumentComplete(ctx context.Context, params lsp.Comple
  }
  d.SetSchema(schema)
 
+ expFeatures, err := lsctx.ExperimentalFeatures(ctx)
+ if err != nil {
+ return list, err
+ }
+
+ d.PrefillRequiredFields = expFeatures.PrefillRequiredFields
+
  fPos, err := ilsp.FilePositionFromDocumentPosition(params.TextDocumentPositionParams, file)
  if err != nil {
  return list, err

internal/langserver/handlers/service.go

@@ -217,6 +217,7 @@ func (svc *service) Assigner() (jrpc2.Assigner, error) {
  ctx = lsctx.WithDocumentStorage(ctx, svc.fs)
  ctx = lsctx.WithClientCapabilities(ctx, cc)
  ctx = lsctx.WithModuleFinder(ctx, svc.modMgr)
+ ctx = lsctx.WithExperimentalFeatures(ctx, &expFeatures)
 
  return handle(ctx, req, lh.TextDocumentComplete)
  },

internal/settings/settings.go

@@ -9,7 +9,8 @@ import (
 )
 
 type ExperimentalFeatures struct {
- ValidateOnSave bool `mapstructure:"validateOnSave"`
+ ValidateOnSave bool `mapstructure:"validateOnSave"`
+ PrefillRequiredFields bool `mapstructure:"prefillRequiredFields"`
 }
 
 type Options struct {