class STD_CHANS |
---|
**** |
________This_class_comprises_the_three_standard_program_import/export ___channels_--_stdin,_stdout,_stderr_in_C_parlance. ________Although_in_Sather_terms_it_does_not_derive_from_the_$FILES_abstract ___class,_it_bears_a_similar relationship_to_the_program,_being_used ___to_specify_operations_employed_in_the_three_subordinate_classes_--_IN, ___OUT_and_ERR! |
attr chan : REFERENCE ; |
---|
**** | The channel identifier |
attr read_line_mark : BOOL ; |
---|
**** | for use by the IN class. |
attr read_line_mark : BOOL ; |
---|
**** | for use by the IN class. |
flush |
---|
**** |
________This_routine_ensures_that_any_buffering_of_the_operating_system ___channels_is_emptied_--_out_for_stdout_and_stderr_and_emptying_for ___stdin. |
plus(item : CHAR) |
---|
**** |
________This_routine_appends_the_given_item_(taken_to_be_in_the_given ___repertoire_and_encoding)_to_the_current_channel. |
plus(item : CHAR,lib : LIBCHARS) |
---|
**** |
________This_routine_appends_the_given_item_(taken_to_be_in_the_given ___repertoire_and_encoding)_to_the_current_channel. |
plus(item : FSTR) |
---|
**** |
________This_routine_appends_the_given_item_to_the_current_channel. ___Note_the_special_handling_of_the_void_string_at_the_beginning! |
plus(item : STR) |
---|
**** |
________This_routine_appends_the_given_item_to_the_current_channel. ___Note_the_special_handling_of_the_void_string_at_the_beginning! |
stderr : SAME |
---|
**** |
________This_routine_creates_a_new_object_for_the_standard_error_channel. |
stdin : SAME |
---|
**** |
________This_routine_creates_a_new_object_for_the_standard_input_channel. |
stdout : SAME |
---|
**** |
________This_routine_creates_a_new_object_for_the_standard_output_channel. |
append(item : STR) |
---|
**** |
________This_routine_handles_both_the_FSTR_and_STR_cases_below |
attr chan : REFERENCE ; |
---|
**** | The channel identifier |
attr chan_id : SYS_CHANS ; |
---|
attr chan_id : SYS_CHANS ; |
---|
stderr_macro : REFERENCE |
---|
stdin_macro : REFERENCE |
---|
stdout_macro : REFERENCE |
---|