Report board platform and build platform on compile JSON output (#1608)

* Added 'board_platform' and 'build_platform' fields in gRPC Compile command

* Report board platform and build platform on compile output

Author: cmaglie

arduino/cores/cores.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/arduino/arduino-cli/arduino/resources"
 	"github.com/arduino/arduino-cli/i18n"
+	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
 	paths "github.com/arduino/go-paths-helper"
 	properties "github.com/arduino/go-properties-orderedmap"
 	semver "go.bug.st/relaxed-semver"
@@ -342,6 +343,14 @@ func (release *PlatformRelease) String() string {
 	return release.Platform.String() + "@" + version
 }
 
+// ToRPCPlatformReference creates a gRPC PlatformReference message out of this PlatformRelease
+func (release *PlatformRelease) ToRPCPlatformReference() *rpc.PlatformReference {
+	return &rpc.PlatformReference{
+		Id:      release.Platform.String(),
+		Version: release.Version.String(),
+	}
+}
+
 // MarshalJSON provides a more user friendly serialization for
 // PlatformRelease objects.
 func (release *PlatformRelease) MarshalJSON() ([]byte, error) {

commands/compile/compile.go

@@ -217,6 +217,12 @@ func Compile(ctx context.Context, req *rpc.CompileRequest, outStream, errStream
 		if p := builderCtx.BuildPath; p != nil {
 			r.BuildPath = p.String()
 		}
+		if pl := builderCtx.TargetPlatform; pl != nil {
+			r.BoardPlatform = pl.ToRPCPlatformReference()
+		}
+		if pl := builderCtx.ActualPlatform; pl != nil {
+			r.BuildPlatform = pl.ToRPCPlatformReference()
+		}
 	}()
 
 	// if --preprocess or --show-properties were passed, we can stop here
@@ -291,11 +297,11 @@ func Compile(ctx context.Context, req *rpc.CompileRequest, outStream, errStream
 		}
 		importedLibs = append(importedLibs, rpcLib)
 	}
+	r.UsedLibraries = importedLibs
+
+	r.ExecutableSectionsSize = builderCtx.ExecutableSectionsSize.ToRPCExecutableSectionSizeArray()
 
 	logrus.Tracef("Compile %s for %s successful", sk.Name, fqbnIn)
 
-	return &rpc.CompileResponse{
-		UsedLibraries:          importedLibs,
-		ExecutableSectionsSize: builderCtx.ExecutableSectionsSize.ToRPCExecutableSectionSizeArray(),
-	}, nil
+	return r, nil
 }