(lyraproj/lyra#42) Add generation of TypeScript types from TypeSet

This commit adds a TypeSet generator for TypeScript. It takes a TypeSet
as input and generates a namespace hierachy of TypeScript classes that
matches the types in the TypeSet.

go.mod

@@ -3,11 +3,11 @@ module github.com/lyraproj/servicesdk
 require (
 	github.com/golang/protobuf v1.2.0
 	github.com/hashicorp/go-hclog v0.0.0-20190109152822-4783caec6f2e
-	github.com/hashicorp/go-plugin v0.0.0-20181212150838-f444068e8f5a
+	github.com/hashicorp/go-plugin v0.0.0-20190129155509-362c99b11937
 	github.com/lyraproj/data-protobuf v0.0.0-20181217135414-3d508204b820
 	github.com/lyraproj/issue v0.0.0-20190122215520-5efbea1d1edb
-	github.com/lyraproj/puppet-evaluator v0.0.0-20190124220224-0b2cf0dd23a8
+	github.com/lyraproj/puppet-evaluator v0.0.0-20190206101254-33da261b6686
 	github.com/lyraproj/semver v0.0.0-20181213164306-02ecea2cd6a2
-	golang.org/x/net v0.0.0-20190119204137-ed066c81e75e
+	golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3
 	google.golang.org/grpc v1.18.0
 )

go.sum

@@ -1,5 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -8,8 +9,8 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
 github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd/go.mod h1:9bjs9uLqI8l75knNv3lV1kA55veR+WUPSiKIWcQHudI=
 github.com/hashicorp/go-hclog v0.0.0-20190109152822-4783caec6f2e h1:SS6R03q1M5bxjbOL2JziQUUu7opiRocL4R2H5Y2I6rY=
 github.com/hashicorp/go-hclog v0.0.0-20190109152822-4783caec6f2e/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
-github.com/hashicorp/go-plugin v0.0.0-20181212150838-f444068e8f5a h1:z9eTtDWoxYrJvtAD+xAepmTEfEmYgouWUytJ84UWAr8=
-github.com/hashicorp/go-plugin v0.0.0-20181212150838-f444068e8f5a/go.mod h1:Ft7ju2vWzhO0ETMKUVo12XmXmII6eSUS4rsPTkY/siA=
+github.com/hashicorp/go-plugin v0.0.0-20190129155509-362c99b11937 h1:F3biNWiyQYD6ch5Y/Kua5DKZKH3R0NtCvnv+KhZei20=
+github.com/hashicorp/go-plugin v0.0.0-20190129155509-362c99b11937/go.mod h1:++UyYGoz3o5w9ZzAdZxtQKrWWP+iqPBn3cQptSMzBuY=
 github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb h1:b5rjCoWHc7eqmAS4/qyk21ZsHyb6Mxv/jykxvNTkU4M=
 github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
@@ -18,8 +19,8 @@ github.com/lyraproj/data-protobuf v0.0.0-20181217135414-3d508204b820/go.mod h1:o
 github.com/lyraproj/issue v0.0.0-20181204205859-7ed1f9741f4a/go.mod h1:F3Zu9SjR6zROUIVdxgxuX0/Mi4npwgDRalQCNzCyzU0=
 github.com/lyraproj/issue v0.0.0-20190122215520-5efbea1d1edb h1:R3ukQUNWJTypfOAZwyJ5kcIyWjbm8KZnpxLaH29HWbw=
 github.com/lyraproj/issue v0.0.0-20190122215520-5efbea1d1edb/go.mod h1:F3Zu9SjR6zROUIVdxgxuX0/Mi4npwgDRalQCNzCyzU0=
-github.com/lyraproj/puppet-evaluator v0.0.0-20190124220224-0b2cf0dd23a8 h1:Oo+0o/N6h29OvBrOZfnrQyVzw2CTNC/dAz3TVtA97kM=
-github.com/lyraproj/puppet-evaluator v0.0.0-20190124220224-0b2cf0dd23a8/go.mod h1:Z0RDGXCJwnba8AZttdopo2/JzUiGsN7CECdUqZPR3wU=
+github.com/lyraproj/puppet-evaluator v0.0.0-20190206101254-33da261b6686 h1:XJ0XkNSxZ5X+LQhdCAqQjRJ6Akem9fs6uvU0EnIh8lw=
+github.com/lyraproj/puppet-evaluator v0.0.0-20190206101254-33da261b6686/go.mod h1:5gMxdOhUGjegM+AFGahiw59yoek+F6txIBhm8YCK/uk=
 github.com/lyraproj/puppet-parser v0.0.0-20181212205830-31c3104fe78d h1:iDn6XlJAiA+BuwG6L8xsCapPpc7jz24SGj9z7NQA1sg=
 github.com/lyraproj/puppet-parser v0.0.0-20181212205830-31c3104fe78d/go.mod h1:8va5g/XEw+jP9jnwEXPmanUy/hD9+6iggnaioihPLP0=
 github.com/lyraproj/semver v0.0.0-20181213164306-02ecea2cd6a2 h1:vb4PbiMtIXdhsOUinkkcqZiASDIZzXRhSG4yvNfE0tg=
@@ -29,16 +30,19 @@ github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77/go.
 github.com/oklog/run v1.0.0 h1:Ru7dDtJNOyC66gQ5dQmaCa0qIsAUFY3sFpK1Xk8igrw=
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190119204137-ed066c81e75e h1:MDa3fSUp6MdYHouVmCCNz/zaH2a6CRcxY3VhT/K3C5Q=
-golang.org/x/net v0.0.0-20190119204137-ed066c81e75e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3 h1:ulvT7fqt0yHWzpJwI57MezWnYDVpCAYBVuYst/L+fAY=
+golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180830151530-49385e6e1522 h1:Ve1ORMCxvRmSXBwJK+t3Oy+V2vRW2OetUQBq4rJIkZE=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc h1:WiYx1rIFmx8c0mXAFtv5D/mHyKe1+jmuP7PViuwqwuQ=
+golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

lang/generator.go

@@ -0,0 +1,18 @@
+package lang
+
+import (
+	"bytes"
+	"github.com/lyraproj/puppet-evaluator/eval"
+)
+
+// The Generator interface is implemented by generators that can transform Pcore types
+// to types in some specific language.
+type Generator interface {
+	// GenerateTypes produces types in some language for all types in the given TypeSet and
+	// appends them to the given buffer.
+	GenerateTypes(ts eval.TypeSet, ns []string, indent int, bld *bytes.Buffer)
+
+	// GenerateType produces a type in some language for the given Type and appends it to
+	// the given buffer.
+	GenerateType(t eval.Type, ns []string, indent int, bld *bytes.Buffer)
+}