//To be viewd at https://www.bottlecaps.de/rr/ui


FLUID ::=
	 HEADER OPTION_LIST TREE_LIST

HEADER ::=
	 WS COMMENT_LINE WS "version" WS FLOAT_VALUE

OPTION_LIST ::=
	 ( WS OPTION )*

TREE_LIST ::=
	 ( WS TREE_ITEM )*

TREE_BLOCK ::=
	 WS BRACE_LHS TREE_LIST BRACE_RHS

TREE_ITEM ::=
	 TYPE_NON_WIDGET
	| TYPE_WIDGET_WITH_CHILDREN
	| TYPE_WIDGET_NO_CHILDREN

TYPE_NON_WIDGET ::=
	 TYPE_Function
	| TYPE_code
	| TYPE_codeblock
	| TYPE_decl
	| TYPE_data
	| TYPE_declblock
	| TYPE_comment
	| TYPE_class

TYPE_Function ::=
	 "Function" WS BRACE_LHS ( WS FUNCTION_SIGNATURE )? BRACE_RHS WS BRACE_LHS ( WS FUNCTION_OPTION )* BRACE_RHS TREE_BLOCK?

TYPE_WIDGET_NO_CHILDREN ::=
	 TYPE_WIDGET_NOC_KEYWORD WS TYPE_NAME WS BRACE_LHS ( WS TYPE_WIDGET_OPTION )* BRACE_RHS

TYPE_WIDGET_NOC_KEYWORD ::=
	 "Fl_Box"
	| "Fl_Button"
	| "Fl_Return_Button"
	| "Fl_Light_Button"
	| "Fl_Check_Button"
	| "Fl_Round_Button"
	| "Fl_Repeat_Button"
	| "Fl_Browser"
	| "Fl_Check_Browser"
	| "Fl_Tree"
	| "Fl_File_Browser"
	| "Fl_Counter"
	| "Fl_Spinner"
	| "Fl_Input"
	| "Fl_Output"
	| "Fl_File_Input"
	| "Fl_Text_Display"
	| "Fl_Text_Editor"
	| "Fl_Simple_Terminal"
	| "Fl_Clock"
	| "Fl_Help_View"
	| "Fl_Progress"
	| "Fl_Adjuster"
	| "Fl_Dial"
	| "Fl_Roller"
	| "Fl_Slider"
	| "Fl_Scrollbar"
	| "Fl_Value_Slider"
	| "Fl_Value_Input"
	| "Fl_Value_Output"

TYPE_WIDGET_WITH_CHILDREN ::=
	 TYPE_WIDGET_WINDOW
	| TYPE_WIDGET_GROUP
	| ( TYPE_WIDGET_MENU . TYPE_WIDGET_FLEX )

TYPE_WIDGET_WINDOW ::=
	 TYPE_WINDOW_KEYWORD WS BRACE_LHS ( WS TYPE_WINDOW_OPTION )* BRACE_RHS TREE_BLOCK

TYPE_WINDOW_KEYWORD ::=
	 "Fl_Window"
	| "widget_class"

TYPE_WIDGET_GROUP ::=
	 TYPE_GROUP_KEYWORD WS BRACE_LHS ( WS TYPE_GROUP_OPTION )* BRACE_RHS TREE_BLOCK

TYPE_GROUP_KEYWORD ::=
	 "Fl_Group"
	| "Fl_Pack"
	| "Fl_Table"
	| "Fl_Tabs"
	| "Fl_Scroll"
	| "Fl_Tile"
	| "Fl_Wizard"

TYPE_WIDGET_MENU ::=
	 TYPE_MENU_KEYWORD WS BRACE_LHS ( WS TYPE_WIDGET_OPTION )* BRACE_RHS ( WS BRACE_LHS MENU_ITEM BRACE_RHS )*

TYPE_MENU_KEYWORD ::=
	 "Fl_Menu_Button"
	| "Fl_Choice"
	| "Fl_Input_Choice"
	| "Fl_Menu_Bar"
	| "Fl_"

TYPE_WIDGET_FLEX ::=
	 "Fl_Flex" WS BRACE_LHS ( WS TYPE_FLEX_OPTION )* BRACE_RHS TREE_BLOCK

OPTION ::=
	 OPTION_Magic
	| OPTION_define_in_struct
	| OPTION_do_not_include_H_from_C
	| OPTION_use_FL_COMMAND
	| OPTION_utf8_in_src
	| OPTION_avoid_early_includes
	| OPTION_i18n_type
	| OPTION_i18n_function
	| OPTION_i18n_static_function
	| OPTION_i18n_file
	| OPTION_i18n_set
	| OPTION_i18n_include
	| OPTION_i18n_conditional
	| OPTION_header_name
	| OPTION_code_name
	| OPTION_snap
	| OPTION_gridx
	| OPTION_gridy
	| OPTION_win_shell_cmd
	| OPTION_win_shell_flags
	| OPTION_linux_shell_cmd
	| OPTION_linux_shell_flags
	| OPTION_mac_shell_cmd
	| OPTION_mac_shell_flags

TYPE_OPTION ::=
	 OPTION_label
	| OPTION_user_data
	| OPTION_user_data_type
	| OPTION_callback
	| OPTION_comment
	| OPTION_option_open
	| OPTION_option_selected

FUNCTION_OPTION ::=
	 TYPE_OPTION
	| OPTION_return_type
	| OPTION_private
	| OPTION_protected
	| OPTION_C

TYPE_WIDGET_OPTION ::=
	 TYPE_OPTION
	| OPTION_xywh
	| OPTION_tooltip
	| OPTION_image
	| OPTION_deimage
	| OPTION_type
	| OPTION_box
	| OPTION_down_box
	| OPTION_value
	| OPTION_color
	| OPTION_selection_color
	| OPTION_labeltype
	| OPTION_labelfont
	| OPTION_labelsize
	| OPTION_labelcolor
	| OPTION_align
	| OPTION_when
	| OPTION_minimum
	| OPTION_maximum
	| OPTION_step
	| OPTION_slider_size
	| OPTION_size
	| OPTION_textfont
	| OPTION_textsize
	| OPTION_textcolor
	| OPTION_class
	| OPTION_shortcut
	| OPTION_code0
	| OPTION_code1
	| OPTION_code2
	| OPTION_code3
	| OPTION_extra_code
	| OPTION_hide
	| OPTION_deactivate
	| OPTION_resizable
	| OPTION_hotspot
	| OPTION_divider

TYPE_WINDOW_OPTION ::=
	 TYPE_WIDGET_OPTION
	| OPTION_xclass
	| OPTION_size_range
	| OPTION_xywh
	| OPTION_modal
	| OPTION_nonmodal
	| OPTION_visible
	| OPTION_noborder

TYPE_GROUP_OPTION ::=
	 TYPE_WIDGET_OPTION

TYPE_FLEX_OPTION ::=
	 TYPE_GROUP_OPTION
	| OPTION_margins
	| OPTION_gap
	| OPTION_set_size_tuples

OPTION_Magic ::=
	 "Magic:"

OPTION_define_in_struct ::=
	 "define_in_struct"

OPTION_do_not_include_H_from_C ::=
	 "do_not_include_H_from_C"

OPTION_use_FL_COMMAND ::=
	 "use_FL_COMMAND"

OPTION_utf8_in_src ::=
	 "utf8_in_src"

OPTION_avoid_early_includes ::=
	 "avoid_early_includes"

OPTION_i18n_type ::=
	 "i18n_type" WS INTEGER_VALUE

OPTION_i18n_function ::=
	 "i18n_function" WS FUNCTION_NAME

OPTION_i18n_static_function ::=
	 "i18n_static_function" WS FUNCTION_NAME

OPTION_i18n_file ::=
	 "i18n_file" WS FILE_PATH

OPTION_i18n_set ::=
	 "i18n_set" WS STRING_VALUE

OPTION_i18n_include ::=
	 "i18n_include" WS INCLUDED_FILE_SPEC

OPTION_i18n_conditional ::=
	 "i18n_conditional" WS STRING_VALUE

OPTION_header_name ::=
	 "header_name" WS FILE_NAME

OPTION_code_name ::=
	 "code_name" WS FILE_NAME

OPTION_snap ::=
	 "snap" WS IGNORED_WORD

OPTION_gridx ::=
	 "gridx" WS IGNORED_WORD

OPTION_gridy ::=
	 "gridy" WS IGNORED_WORD

OPTION_win_shell_cmd ::=
	 "win_shell_cmd" WS STRING_VALUE

OPTION_win_shell_flags ::=
	 "win_shell_flags" WS INTEGER_VALUE

OPTION_linux_shell_cmd ::=
	 "linux_shell_cmd" WS STRING_VALUE

OPTION_linux_shell_flags ::=
	 "linux_shell_flags" WS INTEGER_VALUE

OPTION_mac_shell_cmd ::=
	 "mac_shell_cmd" WS STRING_VALUE

OPTION_mac_shell_flags ::=
	 "mac_shell_flags" WS INTEGER_VALUE

INTEGER_VALUE ::=
	 [0-9]+

STRING_VALUE ::=
	 '"' [^"]* '"'

IGNORED_WORD ::=
	 'ignore'

MENU_ITEM ::=
	 'menu_item'

FILE_NAME ::=
	 'fname'

FUNCTION_NAME ::=
	 'func_name'

INCLUDED_FILE_SPEC ::=
	 'inc_file_spec'

FILE_PATH ::=
	 'file_path'

TYPE_comment ::=
	 'type_comment'

TYPE_codeblock ::=
	 'type_codeblock'

WS ::=
	 [ \t\r\n\f\v]*

BRACE_LHS ::=
	 '{'

BRACE_RHS ::=
	 WS '}'

COMMENT_LINE ::=
	 UNDEFINED

FLOAT_VALUE ::=
	 UNDEFINED

TYPE_code ::=
	 UNDEFINED

TYPE_decl ::=
	 UNDEFINED

TYPE_data ::=
	 UNDEFINED

TYPE_declblock ::=
	 UNDEFINED

TYPE_class ::=
	 UNDEFINED

FUNCTION_SIGNATURE ::=
	 UNDEFINED

TYPE_NAME ::=
	 UNDEFINED

OPTION_label ::=
	 UNDEFINED

OPTION_user_data ::=
	 UNDEFINED

OPTION_user_data_type ::=
	 UNDEFINED

OPTION_callback ::=
	 UNDEFINED

OPTION_comment ::=
	 UNDEFINED

OPTION_option_open ::=
	 UNDEFINED

OPTION_option_selected ::=
	 UNDEFINED

OPTION_return_type ::=
	 UNDEFINED

OPTION_private ::=
	 UNDEFINED

OPTION_protected ::=
	 UNDEFINED

OPTION_C ::=
	 UNDEFINED

OPTION_xywh ::=
	 UNDEFINED

OPTION_tooltip ::=
	 UNDEFINED

OPTION_image ::=
	 UNDEFINED

OPTION_deimage ::=
	 UNDEFINED

OPTION_type ::=
	 UNDEFINED

OPTION_box ::=
	 UNDEFINED

OPTION_down_box ::=
	 UNDEFINED

OPTION_value ::=
	 UNDEFINED

OPTION_color ::=
	 UNDEFINED

OPTION_selection_color ::=
	 UNDEFINED

OPTION_labeltype ::=
	 UNDEFINED

OPTION_labelfont ::=
	 UNDEFINED

OPTION_labelsize ::=
	 UNDEFINED

OPTION_labelcolor ::=
	 UNDEFINED

OPTION_align ::=
	 UNDEFINED

OPTION_when ::=
	 UNDEFINED

OPTION_minimum ::=
	 UNDEFINED

OPTION_maximum ::=
	 UNDEFINED

OPTION_step ::=
	 UNDEFINED

OPTION_slider_size ::=
	 UNDEFINED

OPTION_size ::=
	 UNDEFINED

OPTION_textfont ::=
	 UNDEFINED

OPTION_textsize ::=
	 UNDEFINED

OPTION_textcolor ::=
	 UNDEFINED

OPTION_class ::=
	 UNDEFINED

OPTION_shortcut ::=
	 UNDEFINED

OPTION_code0 ::=
	 UNDEFINED

OPTION_code1 ::=
	 UNDEFINED

OPTION_code2 ::=
	 UNDEFINED

OPTION_code3 ::=
	 UNDEFINED

OPTION_extra_code ::=
	 UNDEFINED

OPTION_hide ::=
	 UNDEFINED

OPTION_deactivate ::=
	 UNDEFINED

OPTION_resizable ::=
	 UNDEFINED

OPTION_hotspot ::=
	 UNDEFINED

OPTION_divider ::=
	 UNDEFINED

OPTION_xclass ::=
	 UNDEFINED

OPTION_size_range ::=
	 UNDEFINED

OPTION_modal ::=
	 UNDEFINED

OPTION_nonmodal ::=
	 UNDEFINED

OPTION_visible ::=
	 UNDEFINED

OPTION_noborder ::=
	 UNDEFINED

OPTION_margins ::=
	 UNDEFINED

OPTION_gap ::=
	 UNDEFINED

OPTION_set_size_tuples ::=
	 UNDEFINED


//Added tokens for railroad generation
_NOT_ ::= '!'
_AND_ ::= '&'