147 lines
4.9 KiB
C
147 lines
4.9 KiB
C
/*
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* Copyright 2022 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdbool.h>
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#include <inttypes.h>
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struct weston_compositor;
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__attribute__((noreturn, format(printf, 2, 3)))
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static inline void
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weston_assert_fail_(const struct weston_compositor *compositor, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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abort();
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}
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#ifndef custom_assert_fail_
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#define custom_assert_fail_ weston_assert_fail_
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#endif
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#define weston_assert_(compositor, a, b, val_type, val_fmt, cmp) \
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({ \
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struct weston_compositor *ec = compositor; \
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val_type a_ = (a); \
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val_type b_ = (b); \
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bool cond = a_ cmp b_; \
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if (!cond) \
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custom_assert_fail_(ec, "%s:%u: Assertion %s %s %s (" val_fmt " %s " val_fmt ") failed!\n", \
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__FILE__, __LINE__, #a, #cmp, #b, a_, #cmp, b_); \
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cond; \
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})
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#define weston_assert_fn_(compositor, fn, a, b, val_type, val_fmt, cmp) \
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({ \
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struct weston_compositor *ec = compositor; \
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val_type a_ = (a); \
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val_type b_ = (b); \
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bool cond = fn(a_, b_) cmp 0; \
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if (!cond) \
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custom_assert_fail_(ec, "%s:%u: Assertion %s %s %s (" val_fmt " %s " val_fmt ") failed!\n", \
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__FILE__, __LINE__, #a, #cmp, #b, a_, #cmp, b_); \
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cond; \
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})
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#define weston_assert_not_reached(compositor, reason) \
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do { \
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struct weston_compositor *ec = compositor; \
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custom_assert_fail_(ec, "%s:%u: Assertion failed! This should not be reached: %s\n", \
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__FILE__, __LINE__, reason); \
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} while (0)
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#define weston_assert_true(compositor, a) \
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weston_assert_(compositor, a, true, bool, "%d", ==)
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#define weston_assert_ptr(compositor, a) \
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weston_assert_(compositor, a, NULL, const void *, "%p", !=)
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#define weston_assert_ptr_is_null(compositor, a) \
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weston_assert_(compositor, a, NULL, const void *, "%p", ==)
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#define weston_assert_ptr_eq(compositor, a, b) \
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weston_assert_(compositor, a, b, const void *, "%p", ==)
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#define weston_assert_double_eq(compositor, a, b) \
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weston_assert_(compositor, a, b, double, "%.10g", ==)
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#define weston_assert_uint32_eq(compositor, a, b) \
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weston_assert_(compositor, a, b, uint32_t, "%u", ==)
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#define weston_assert_uint32_neq(compositor, a, b) \
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weston_assert_(compositor, a, b, uint32_t, "%u", !=)
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#define weston_assert_uint32_gt(compositor, a, b) \
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weston_assert_(compositor, a, b, uint32_t, "%u", >)
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#define weston_assert_uint32_gt_or_eq(compositor, a, b) \
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weston_assert_(compositor, a, b, uint32_t, "%u", >=)
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#define weston_assert_uint32_lt(compositor, a, b) \
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weston_assert_(compositor, a, b, uint32_t, "%u", <)
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#define weston_assert_uint64_eq(compositor, a, b) \
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weston_assert_(compositor, a, b, uint64_t, "%" PRIx64, ==)
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#define weston_assert_str_eq(compositor, a, b) \
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weston_assert_fn_(compositor, strcmp, a, b, const char *, "%s", ==)
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#define weston_assert_bit_is_set(compositor, value, bit) \
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({ \
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struct weston_compositor *ec = compositor; \
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uint64_t v = (value); \
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uint8_t b = (bit); \
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bool cond = (v >> b) & 1; \
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if (!cond) \
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custom_assert_fail_(ec, "%s:%u: Assertion failed! Bit %s (%u) of %s (0x%" PRIx64 ") is not set.\n", \
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__FILE__, __LINE__, #bit, b, #value, v); \
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cond; \
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})
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#define weston_assert_legal_bits(compositor, value, mask) \
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({ \
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struct weston_compositor *ec = compositor; \
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uint64_t v_ = (value); \
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uint64_t m_ = (mask); \
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uint64_t ill = v_ & ~m_; \
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bool cond = ill == 0; \
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if (!cond) \
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custom_assert_fail_(ec, "%s:%u: Assertion failed! " \
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"Value %s (0x%" PRIx64 ") contains illegal bits 0x%" PRIx64 ". " \
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"Legal mask is %s (0x%" PRIx64 ").\n", \
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__FILE__, __LINE__, #value, v_, ill, #mask, m_); \
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cond; \
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})
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