346 lines
14 KiB
C++
346 lines
14 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2010-2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __DEBUG_HPP
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#define __DEBUG_HPP
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//#include "maths.hpp" // XXX: See notes at the end of file for maths.hpp inclusion
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#include <iostream>
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#include <sstream>
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#include <stdexcept>
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#include <string>
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///////////////////////////////////////////////////////////////////////////////
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#ifdef ENABLE_DEBUGGING
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#define DEBUG_ONLY(X) do { \
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X \
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} while (0)
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#else
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#define DEBUG_ONLY(X)
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#endif
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///////////////////////////////////////////////////////////////////////////////
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#define EXIT_XSUCCESS 0
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#define EXIT_XSKIP 77
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#define EXIT_XHARD_ERROR 99
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///////////////////////////////////////////////////////////////////////////////
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#define TRACE { \
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DEBUG_ONLY( \
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std::cerr << __FILE__ << ":" << __func__ << ":" << __LINE__ << std::endl; \
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); \
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}
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#define WARN(C) do { \
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DEBUG_ONLY( \
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if (C) { \
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std::cerr << __FILE__ << ":" << __func__ << ":" << __LINE__ << ", " << #C << std::endl; \
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} \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define _CHECK_PANIC(FMT,...) do { \
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panic ("%s:%s:%i:%s\n" FMT, \
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PACKAGE, __FILE__, __LINE__, __FUNCTION__, \
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__VA_ARGS__); \
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} while(0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK(C) do { \
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DEBUG_ONLY( \
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if (!(C)) \
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panic (); \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_EQ(A,B) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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const auto __b = (B); \
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\
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if (!util::almost_equal (__a, __b)) { \
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_CHECK_PANIC("expected equality\n" \
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"__a: %s is %!\n" \
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"__b: %s is %!\n", \
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#A, __a, \
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#B, __b); \
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} \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_LT(A,B) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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const auto __b = (B); \
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\
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if (__a >= __b) { \
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_CHECK_PANIC("expected less than\n" \
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"__a: %s is %!\n" \
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"__b: %s is %!\n", \
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#A, __a, \
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#B, __b); \
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}; \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_LE(A,B) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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const auto __b = (B); \
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\
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if (__a > __b) { \
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_CHECK_PANIC("expected less than or equal\n" \
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"__a: %s is %!\n" \
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"__b: %s is %!\n", \
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#A, __a, \
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#B, __b); \
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} \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_GT(A,B) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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const auto __b = (B); \
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\
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if (__a <= __b) { \
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_CHECK_PANIC ("expected greater than\n" \
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"__a: %s is %!\n" \
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"__b: %s is %!\n", \
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#A, __a, \
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#B, __b); \
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} \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_GE(A,B) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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const auto __b = (B); \
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\
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if (__a < __b) { \
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_CHECK_PANIC ("expected greater or equal\n" \
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"__a: %s is %!\n" \
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"__b: %s is %!\n", \
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#A, __a, \
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#B, __b); \
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}; \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_LIMIT(V,L,H) do { \
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DEBUG_ONLY( \
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const auto __v = (V); \
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const auto __l = (L); \
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const auto __h = (H); \
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\
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if (__v < __l || __v > __h) { \
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_CHECK_PANIC ("expected limit\n" \
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"__l: %s is %!\n" \
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"__h: %s is %!\n" \
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"__v: %s is %!\n", \
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#H, __h, \
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#L, __l, \
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#V, __v); \
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}; \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_NEQ(A,B) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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const auto __b = (B); \
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\
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if (util::almost_equal (__a, __b)) { \
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_CHECK_PANIC ("expected inequality\n" \
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"__a: %s is %s\n" \
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"__b: %s is %s\n", \
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#A, __a, \
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#B, __b); \
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}; \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_ZERO(A) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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\
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if (!util::almost_zero (__a)) { \
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_CHECK_PANIC ("expected zero\n" \
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"__a: %s is %s\n" \
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#A, __a); \
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}; \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_NEZ(A) do { \
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DEBUG_ONLY( \
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const auto __a = (A); \
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if (util::exactly_zero (__a)) \
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_CHECK_PANIC ("expected zero\n" \
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"__a: %s is %!", \
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#A, __a); \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_THROWS(E,C) do { \
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DEBUG_ONLY( \
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bool caught = false; \
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\
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try \
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{ C; } \
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catch (E) \
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{ caught = true; } \
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\
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if (!caught) \
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_CHECK_PANIC ("expected exception: %s", #E); \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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#define CHECK_NOTHROW(C) do { \
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DEBUG_ONLY( \
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try { \
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C; \
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} catch (const std::exception &e) { \
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_CHECK_PANIC ("unexpected exception: %s", \
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e.what ()); \
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} catch (...) { \
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_CHECK_PANIC ("unexpected exception: %s", \
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"unknown"); \
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} \
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); \
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} while (0)
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///////////////////////////////////////////////////////////////////////////////
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constexpr void panic [[noreturn]] (const char*);
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constexpr void panic [[noreturn]] (void);
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template <typename ...Args>
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constexpr void panic [[noreturn]] (const char *fmt, const Args&...);
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///////////////////////////////////////////////////////////////////////////////
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constexpr void not_implemented [[noreturn]] (void);
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constexpr void not_implemented [[noreturn]] (const char *msg);
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///////////////////////////////////////////////////////////////////////////////
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constexpr void unreachable [[noreturn]] (void);
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constexpr void unreachable [[noreturn]] (const char*);
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///////////////////////////////////////////////////////////////////////////////
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void warn (void);
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void warn (const std::string&);
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void warn (const char *);
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///////////////////////////////////////////////////////////////////////////////
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void breakpoint (void);
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///////////////////////////////////////////////////////////////////////////////
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void enable_fpe (void);
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void disable_fpe (void);
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///////////////////////////////////////////////////////////////////////////////
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namespace util { namespace debug {
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void init (void);
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template <typename T>
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bool valid (const T&);
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template <
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template<size_t, typename...> class T,
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size_t S,
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typename ...Args
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>
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struct validator {
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static bool is_valid (const T<S,Args...>&);
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};
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template <
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template<size_t,typename...> class T,
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size_t S,
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typename ...Args
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>
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bool valid (const T<S,Args...> &v)
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{ return validator<T,S,Args...>::is_valid (v); }
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template <typename T>
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void sanity (const T &t)
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{
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(void)t;
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CHECK (valid (t));
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}
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template <
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template<typename...> class T,
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typename ...Args
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>
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void sanity (const T<Args...> &t)
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{
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(void)t;
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CHECK (valid (t));
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}
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} }
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#include "./debug.ipp"
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///////////////////////////////////////////////////////////////////////////////
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// XXX: maths needs to be included so that CHECK_EQ/NEQ can call almost_equal,
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// but maths.hpp might be using CHECK_ macros so we must include maths.hpp
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// after we define the CHECK_ macros so the preprocessor can resolve them.
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#include "./maths.hpp"
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#endif // __DEBUG_HPP
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