Include hpp and hh files when searching for libraries

Fixes #181
Syncs up with arduino/Arduino#3485

Signed-off-by: Martino Facchin <[email protected]>

Author: facchinm

Diff for: src/arduino.cc/builder/builder.go

@@ -43,7 +43,7 @@ import (
 )
 
 var MAIN_FILE_VALID_EXTENSIONS = map[string]bool{".ino": true, ".pde": true}
-var ADDITIONAL_FILE_VALID_EXTENSIONS = map[string]bool{".h": true, ".c": true, ".hpp": true, ".cpp": true, ".s": true}
+var ADDITIONAL_FILE_VALID_EXTENSIONS = map[string]bool{".h": true, ".c": true, ".hpp": true, ".hh": true, ".cpp": true, ".s": true}
 var ADDITIONAL_FILE_VALID_EXTENSIONS_NO_HEADERS = map[string]bool{".c": true, ".cpp": true, ".s": true}
 
 var LIBRARY_MANDATORY_PROPERTIES = []string{constants.LIBRARY_NAME, constants.LIBRARY_VERSION, constants.LIBRARY_AUTHOR, constants.LIBRARY_MAINTAINER}

Diff for: src/arduino.cc/builder/builder_utils/utils.go

@@ -89,7 +89,7 @@ func compileFilesWithExtensionWithRecipe(objectFiles []string, sourcePath string
 }
 
 func findFilesInFolder(sourcePath string, extension string, recurse bool) ([]string, error) {
-	files, err := utils.ReadDirFiltered(sourcePath, utils.FilterFilesWithExtension(extension))
+	files, err := utils.ReadDirFiltered(sourcePath, utils.FilterFilesWithExtensions(extension))
 	if err != nil {
 		return nil, i18n.WrapError(err)
 	}

Diff for: src/arduino.cc/builder/libraries_loader.go

@@ -91,7 +91,7 @@ func (s *LibrariesLoader) Run(ctx *types.Context) error {
 
 	headerToLibraries := make(map[string][]*types.Library)
 	for _, library := range libraries {
-		headers, err := utils.ReadDirFiltered(library.SrcFolder, utils.FilterFilesWithExtension(".h"))
+		headers, err := utils.ReadDirFiltered(library.SrcFolder, utils.FilterFilesWithExtensions(".h", ".hpp", ".hh"))
 		if err != nil {
 			return i18n.WrapError(err)
 		}

Diff for: src/arduino.cc/builder/utils/utils.go

@@ -138,11 +138,11 @@ func FilterDirs(files []os.FileInfo) []os.FileInfo {
 	return filtered
 }
 
-func FilterFilesWithExtension(extension string) filterFiles {
+func FilterFilesWithExtensions(extensions ...string) filterFiles {
 	return func(files []os.FileInfo) []os.FileInfo {
 		var filtered []os.FileInfo
 		for _, file := range files {
-			if !file.IsDir() && filepath.Ext(file.Name()) == extension {
+			if !file.IsDir() && SliceContains(extensions, filepath.Ext(file.Name())) {
 				filtered = append(filtered, file)
 			}
 		}