refactor: simplified

Author: Bikappa

commands/compile/compile.go

@@ -120,17 +120,7 @@ func Compile(ctx context.Context, req *rpc.CompileRequest, outStream, errStream
 		appendBuildProperties(r, builderCtx)
 	}()
 	r = &rpc.CompileResponse{}
-	if newSketchErr != nil {
-		if req.GetShowProperties() {
-			// Just get build properties and exit
-			compileErr := builder.RunParseHardware(builderCtx)
-			if compileErr != nil {
-				compileErr = &arduino.CompileFailedError{Message: compileErr.Error()}
-			}
-			return r, compileErr
-		}
-		return nil, &arduino.CantOpenSketchError{Cause: err}
-	}
+
 	builderCtx.Sketch = sk
 	builderCtx.ProgressCB = progressCB
 
@@ -142,30 +132,11 @@ func Compile(ctx context.Context, req *rpc.CompileRequest, outStream, errStream
 	builderCtx.OtherLibrariesDirs = paths.NewPathList(req.GetLibraries()...)
 	builderCtx.OtherLibrariesDirs.Add(configuration.LibrariesDir(configuration.Settings))
 	builderCtx.LibraryDirs = paths.NewPathList(req.Library...)
-	if req.GetBuildPath() == "" {
-		builderCtx.BuildPath = sk.DefaultBuildPath()
-	} else {
-		builderCtx.BuildPath = paths.New(req.GetBuildPath()).Canonical()
-		if in, err := builderCtx.BuildPath.IsInsideDir(sk.FullPath); err != nil {
-			return nil, &arduino.NotFoundError{Message: tr("Cannot find build path"), Cause: err}
-		} else if in && builderCtx.BuildPath.IsDir() {
-			if sk.AdditionalFiles, err = removeBuildFromSketchFiles(sk.AdditionalFiles, builderCtx.BuildPath); err != nil {
-				return nil, err
-			}
-		}
-	}
-	if err = builderCtx.BuildPath.MkdirAll(); err != nil {
-		return nil, &arduino.PermissionDeniedError{Message: tr("Cannot create build directory"), Cause: err}
+	err = prepareBuildPath(sk, req.GetBuildPath(), builderCtx)
+	if err != nil {
+		return r, err
 	}
 
-	buildcache.New(builderCtx.BuildPath.Parent()).GetOrCreate(builderCtx.BuildPath.Base())
-	// cache is purged after compilation to not remove entries that might be required
-	defer maybePurgeBuildCache()
-
-	builderCtx.CompilationDatabase = bldr.NewCompilationDatabase(
-		builderCtx.BuildPath.Join("compile_commands.json"),
-	)
-
 	builderCtx.Verbose = req.GetVerbose()
 
 	// Optimize for debug
@@ -221,6 +192,15 @@ func Compile(ctx context.Context, req *rpc.CompileRequest, outStream, errStream
 		return r, compileErr
 	}
 
+	if newSketchErr != nil {
+		// newSketchErr causes to exit only here since the request could have
+		// been to only show properties until now
+		return r, &arduino.CantOpenSketchError{Cause: err}
+	}
+
+	// cache is purged after compilation to not remove entries that might be required
+	defer maybePurgeBuildCache()
+
 	if req.GetPreprocess() {
 		// Just output preprocessed source code and exit
 		compileErr := builder.RunPreprocess(builderCtx)
@@ -300,6 +280,35 @@ func Compile(ctx context.Context, req *rpc.CompileRequest, outStream, errStream
 	return r, nil
 }
 
+func prepareBuildPath(sk *sketch.Sketch, requestedBuildPath string, builderCtx *types.Context) error {
+	if sk == nil {
+		return nil
+	}
+
+	if requestedBuildPath == "" {
+		builderCtx.BuildPath = sk.DefaultBuildPath()
+	} else {
+		builderCtx.BuildPath = paths.New(requestedBuildPath).Canonical()
+		if in, err := builderCtx.BuildPath.IsInsideDir(sk.FullPath); err != nil {
+			return &arduino.NotFoundError{Message: tr("Cannot find build path"), Cause: err}
+		} else if in && builderCtx.BuildPath.IsDir() {
+			if sk.AdditionalFiles, err = removeBuildFromSketchFiles(sk.AdditionalFiles, builderCtx.BuildPath); err != nil {
+				return err
+			}
+		}
+	}
+
+	if err := builderCtx.BuildPath.MkdirAll(); err != nil {
+		return &arduino.PermissionDeniedError{Message: tr("Cannot create build directory"), Cause: err}
+	}
+
+	builderCtx.CompilationDatabase = bldr.NewCompilationDatabase(
+		builderCtx.BuildPath.Join("compile_commands.json"),
+	)
+	buildcache.New(builderCtx.BuildPath.Parent()).GetOrCreate(builderCtx.BuildPath.Base())
+	return nil
+}
+
 func appendUserLibraries(r *rpc.CompileResponse, builderCtx *types.Context, errStream io.Writer) {
 	importedLibs := []*rpc.Library{}
 	for _, lib := range builderCtx.ImportedLibraries {

legacy/builder/setup_build_properties.go

@@ -45,7 +45,9 @@ func (s *SetupBuildProperties) Run(ctx *types.Context) error {
 	}
 	ctx.OptimizationFlags = buildProperties.Get("compiler.optimization_flags")
 
-	buildProperties.SetPath("build.source.path", ctx.Sketch.FullPath)
+	if ctx.Sketch != nil {
+		buildProperties.SetPath("build.source.path", ctx.Sketch.FullPath)
+	}
 
 	keychainProp := buildProperties.ContainsKey("build.keys.keychain")
 	signProp := buildProperties.ContainsKey("build.keys.sign_key")