1/* 2 * Copyright 2018, Data61 3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO) 4 * ABN 41 687 119 230. 5 * 6 * This software may be distributed and modified according to the terms of 7 * the BSD 2-Clause license. Note that NO WARRANTY is provided. 8 * See "LICENSE_BSD2.txt" for details. 9 * 10 * @TAG(DATA61_BSD) 11 */ 12 13/*# Declares C functions and symbols for handling errors 14 # interface: String that is the name of the current interface 15 # error_handler: Name of the error handling function that will be created 16 #*/ 17/*- macro make_error_handler(interface, error_handler) -*/ 18 /*# Assert that our arguments are the correct type #*/ 19 /*? assert(isinstance(interface, six.string_types)) ?*/ 20 /*? assert(isinstance(error_handler, six.string_types)) ?*/ 21 22 /* The currently active error handler. This variable is marked UNUSED to squash 23 * compiler warnings generated when the user's build configuration causes the 24 * two following functions to be pruned from the final source. 25 */ 26 static camkes_error_handler_t /*? error_handler ?*/_fn UNUSED; 27 28 camkes_error_handler_t /*? interface ?*/_register_error_handler( 29 camkes_error_handler_t handler) { 30 camkes_error_handler_t old = /*? error_handler ?*/_fn; 31 /*? error_handler ?*/_fn = handler; 32 return old; 33 } 34 35 static camkes_error_action_t UNUSED /*? error_handler ?*/(camkes_error_t *error) { 36 if (/*? error_handler ?*/_fn == NULL) { 37 /* No registered handler; invoke the generic error handler. */ 38 return camkes_error(error); 39 } 40 return /*? error_handler ?*/_fn(error); 41 } 42/*- endmacro -*/ 43