globals

var (

	// MainFileValidExtension is the extension that must be used for files in new sketches
	MainFileValidExtension string = ".ino"

	// MainFileValidExtensions lists valid extensions for a sketch file
	MainFileValidExtensions = map[string]struct{}{
		MainFileValidExtension: empty,

		".pde": empty,
	}

	// AdditionalFileValidExtensions lists any file extension the builder considers as valid
	AdditionalFileValidExtensions = map[string]struct{}{
		".h":    empty,
		".c":    empty,
		".hpp":  empty,
		".hh":   empty,
		".cpp":  empty,
		".S":    empty,
		".adoc": empty,
		".md":   empty,
		".json": empty,
		".tpp":  empty,
		".ipp":  empty,
	}

	// SourceFilesValidExtensions lists valid extensions for source files (no headers)
	SourceFilesValidExtensions = map[string]struct{}{
		".c":   empty,
		".cpp": empty,
		".S":   empty,
	}

	// HeaderFilesValidExtensions lists valid extensions for header files
	HeaderFilesValidExtensions = map[string]struct{}{
		".h":   empty,
		".hpp": empty,
		".hh":  empty,
	}

	// DefaultIndexURL is the default index url
	DefaultIndexURL = "https://downloads.arduino.cc/packages/package_index.tar.bz2"
)