Patrick Pelissier
bfa948dc7a
add header m-try that defines the M_TRY / M_CATCH macros that macros similarly to the C++ try / catch keywords. Add implementation for C++, GCC, CLANG and pure C compiler.
368 lines
8.2 KiB
C
368 lines
8.2 KiB
C
/*
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* Copyright (c) 2017-2023, Patrick Pelissier
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* + Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* + Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include "m-try.h"
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#include "test-obj.h"
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M_TRY_DEF_ONCE()
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static void test_throw(void)
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{
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M_TRY(protect) {
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M_THROW(67, 56);
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} M_CATCH(protect, 67) {
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assert(protect->n == 1);
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M_THROW(M_ERROR_MEMORY, protect->error[0], 4, 6, 8);
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}
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}
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// Test of try / catch with throw.
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// No memory allocation
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static void test1(void)
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{
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volatile int flow = 0;
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(0);
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}
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assert(flow ++ == 2);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_THROW(M_ERROR_MEMORY, 0);
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assert(0);
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(flow++ == 2);
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}
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assert(flow ++ == 3);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_TRY(test2) {
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assert(flow ++ == 2);
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M_THROW(189, 0);
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assert(0);
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} M_CATCH(test2, 189) {
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assert(flow++ == 3);
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}
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(0);
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}
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assert(flow ++ == 4);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_TRY(test2) {
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assert(flow ++ == 2);
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M_TRY(test3) {
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assert(flow ++ == 3);
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} M_CATCH(test3, 67) {}
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assert(flow ++ == 4);
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M_TRY(test4) {
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assert(flow ++ == 5);
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M_THROW(M_ERROR_ACCESS, 12);
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assert(0);
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} M_CATCH(test4, 67) {}
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assert(0);
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} M_CATCH(test2, M_ERROR_ACCESS) {
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assert(flow++ == 6);
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assert(test2->n == 1);
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assert(test2->error[0] == 12);
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}
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(0);
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}
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assert(flow ++ == 7);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_TRY(test2) {
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assert(flow ++ == 2);
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M_TRY(test3) {
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assert(flow ++ == 3);
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} M_CATCH(test3, 42) {
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assert(0);
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}
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assert(flow ++ == 4);
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M_TRY(test4) {
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assert(flow ++ == 5);
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M_THROW(42, 1, 3);
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assert(0);
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} M_CATCH(test4, 67) {}
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assert(0);
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} M_CATCH(test2, M_ERROR_ACCESS) {
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assert(0);
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}
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(0);
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} M_CATCH(test1, 42) {
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assert(flow++ == 6);
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assert(test1->n == 2);
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assert(test1->error[0] == 1);
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assert(test1->error[1] == 3);
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}
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assert(flow ++ == 7);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_TRY(test2) {
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assert(flow ++ == 2);
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M_TRY(test3) {
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assert(flow ++ == 3);
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} M_CATCH(test3, 42) {
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assert(0);
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}
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assert(flow ++ == 4);
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M_TRY(test4) {
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assert(flow ++ == 5);
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} M_CATCH(test4, 67) {}
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assert(flow ++ == 6);
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} M_CATCH(test2, M_ERROR_ACCESS) {
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assert(0);
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}
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(0);
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} M_CATCH(test1, 42) {
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assert(0);
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}
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assert(flow ++ == 7);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_TRY(test2) {
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assert(flow ++ == 2);
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test_throw();
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} M_CATCH(test2, M_ERROR_ACCESS) {
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assert(0);
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}
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(flow ++ == 3);
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} M_CATCH(test1, 42) {
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assert(0);
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}
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assert(flow ++ == 4);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_TRY(test2) {
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assert(flow ++ == 2);
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test_throw();
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} M_CATCH(test2, M_ERROR_MEMORY) {
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assert(flow ++ == 3);
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M_RETHROW();
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}
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} M_CATCH(test1, M_ERROR_MEMORY) {
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assert(flow ++ == 4);
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assert(test1->n == 4);
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assert(test1->error[0] == 56);
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assert(test1->error[1] == 4);
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assert(test1->error[2] == 6);
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assert(test1->error[3] == 8);
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} M_CATCH(test1, 42) {
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assert(0);
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}
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assert(flow ++ == 5);
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flow = 0;
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assert(flow ++ == 0);
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M_TRY(test1) {
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assert(flow ++ == 1);
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M_TRY(test2) {
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assert(flow ++ == 2);
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M_THROW(23);
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assert(0);
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} M_CATCH(test2, M_ERROR_MEMORY) {
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assert(0);
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}
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} M_CATCH(test1, 42) {
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assert(0);
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} M_CATCH(test1, 0) {
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// Error code 0 is special and catch all errors.
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assert(flow ++ == 3);
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#ifndef __cplusplus
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assert(test1->error_code == 23);
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assert(test1->n == 0);
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#endif
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}
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assert(flow ++ == 4);
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}
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static void test2(void)
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{
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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}
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} M_CATCH(test1, 0) {
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assert(0);
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}
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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M_THROW(1);
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assert(0);
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}
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} M_CATCH(test1, 0) {
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// Nothing to do
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}
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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M_LET(obj2, TESTOBJ_OPLIST) {
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testobj_set_ui(obj2, 16);
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M_THROW(1);
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assert(0);
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}
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}
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} M_CATCH(test1, 0) {
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// Nothing to do
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}
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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M_LET(obj2, TESTOBJ_OPLIST) {
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testobj_set_ui(obj2, 16);
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}
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M_THROW(1);
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assert(0);
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}
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} M_CATCH(test1, 1) {
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// Nothing to do
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}
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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M_TRY(test2) {
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M_LET(obj2, TESTOBJ_OPLIST) {
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testobj_set_ui(obj2, 16);
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}
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} M_CATCH(test2, 67) {}
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M_THROW(1);
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assert(0);
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}
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} M_CATCH(test1, 1) {
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// Nothing to do
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}
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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M_TRY(test2) {
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M_LET(obj2, TESTOBJ_OPLIST) {
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testobj_set_ui(obj2, 16);
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}
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M_THROW(1);
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assert(0);
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} M_CATCH(test2, 67) {}
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}
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} M_CATCH(test1, 1) {
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// Nothing to do
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}
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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M_TRY(test2) {
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M_LET(obj2, TESTOBJ_OPLIST) {
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testobj_set_ui(obj2, 16);
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M_THROW(1);
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assert(0);
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}
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} M_CATCH(test2, 1) {
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assert(testobj_cmp_ui(obj, 15) == 0);
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M_THROW(1);
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assert(0);
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}
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}
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} M_CATCH(test1, 1) {
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// Nothing to do
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}
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M_TRY(test1) {
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M_LET(obj, TESTOBJ_OPLIST) {
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testobj_set_ui(obj, 15);
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M_TRY(test2) {
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M_LET(obj2, TESTOBJ_OPLIST) {
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testobj_set_ui(obj2, 16);
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M_THROW(1);
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assert(0);
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}
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} M_CATCH(test2, 1) {
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// Nothing to do
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assert(testobj_cmp_ui(obj, 15) == 0);
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}
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}
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} M_CATCH(test1, 1) {
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// Nothing to do
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assert(0);
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}
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M_TRY(test1) {
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M_LET( (obj, (19)), TESTOBJ_OPLIST) {
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M_TRY(test2) {
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M_LET( (obj2, (16)), TESTOBJ_OPLIST) {
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M_THROW(1);
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assert(0);
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}
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} M_CATCH(test2, 1) {
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// Nothing to do
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assert(testobj_cmp_ui(obj, 19) == 0);
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}
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}
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} M_CATCH(test1, 1) {
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// Nothing to do
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assert(0);
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}
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}
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int main(void)
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{
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test1();
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test2();
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testobj_final_check();
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exit(0);
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}
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