126 lines
5.5 KiB
C++
126 lines
5.5 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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#pragma once
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#include <cstdio>
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#include <inttypes.h>
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#include "valptridx.h"
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#include <memory>
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namespace {
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namespace untyped_index_mismatch_exception
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{
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#ifdef DXX_VALPTRIDX_ENABLE_REPORT_FILENAME
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#define REPORT_STANDARD_LEADER_TEXT "%s:%u: "
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#else
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#define REPORT_STANDARD_LEADER_TEXT
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#endif
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#define REPORT_STANDARD_FORMAT " base=%p size=%lu"
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#define REPORT_STANDARD_ARGUMENTS array_base, array_size
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#define REPORT_STANDARD_SIZE ( \
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sizeof(REPORT_FORMAT_STRING) + \
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42 /* length of longest filename in `git ls-files` */ + \
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sizeof("65535") + /* USHORT_MAX for lineno */ \
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sizeof("0x0000000000000000") + /* for pointer from base=%p */ \
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sizeof("18446744073709551615") /* for size from size=%lu */ \
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)
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#define REPORT_FORMAT_STRING REPORT_STANDARD_LEADER_TEXT "pointer/index mismatch:" REPORT_STANDARD_FORMAT " index=%li expected=%p actual=%p"
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static constexpr std::size_t report_buffer_size = REPORT_STANDARD_SIZE + (sizeof("0x0000000000000000") * 2) + sizeof("18446744073709551615");
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__attribute_cold
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__attribute_unused
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static void prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const void *const array_base, const long supplied_index, const void *const expected_pointer, const void *const actual_pointer, char (&buf)[report_buffer_size], const unsigned long array_size)
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{
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snprintf(buf, sizeof(buf), REPORT_FORMAT_STRING, DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS REPORT_STANDARD_ARGUMENTS, supplied_index, expected_pointer, actual_pointer);
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}
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#undef REPORT_FORMAT_STRING
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}
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namespace untyped_index_range_exception
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{
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#define REPORT_FORMAT_STRING REPORT_STANDARD_LEADER_TEXT "invalid index used in array subscript:" REPORT_STANDARD_FORMAT " index=%li"
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static constexpr std::size_t report_buffer_size = REPORT_STANDARD_SIZE + sizeof("18446744073709551615");
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__attribute_cold
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__attribute_unused
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static void prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const void *const array_base, const long supplied_index, char (&buf)[report_buffer_size], const unsigned long array_size)
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{
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snprintf(buf, sizeof(buf), REPORT_FORMAT_STRING, DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS REPORT_STANDARD_ARGUMENTS, supplied_index);
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}
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#undef REPORT_FORMAT_STRING
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}
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namespace untyped_null_pointer_conversion_exception
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{
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#define REPORT_FORMAT_STRING REPORT_STANDARD_LEADER_TEXT "NULL pointer converted"
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static constexpr std::size_t report_buffer_size = REPORT_STANDARD_SIZE;
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__attribute_cold
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__attribute_unused
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static void prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS char (&buf)[report_buffer_size])
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{
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snprintf(buf, sizeof(buf), REPORT_FORMAT_STRING DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_PASS_VARS);
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}
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#undef REPORT_FORMAT_STRING
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}
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namespace untyped_null_pointer_exception
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{
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#define REPORT_FORMAT_STRING REPORT_STANDARD_LEADER_TEXT "NULL pointer used:" REPORT_STANDARD_FORMAT
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static constexpr std::size_t report_buffer_size = REPORT_STANDARD_SIZE;
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__attribute_cold
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__attribute_unused
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static void prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const void *const array_base, char (&buf)[report_buffer_size], const unsigned long array_size)
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{
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snprintf(buf, sizeof(buf), REPORT_FORMAT_STRING, DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS REPORT_STANDARD_ARGUMENTS);
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}
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#undef REPORT_FORMAT_STRING
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#undef REPORT_STANDARD_LEADER_TEXT
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#undef REPORT_STANDARD_SIZE
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#undef REPORT_STANDARD_ARGUMENTS
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#undef REPORT_STANDARD_FORMAT
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}
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}
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template <typename managed_type>
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void valptridx<managed_type>::index_mismatch_exception::report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const array_managed_type *const array, const index_type supplied_index, const const_pointer_type expected_pointer, const const_pointer_type actual_pointer)
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{
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using namespace untyped_index_mismatch_exception;
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char buf[report_buffer_size];
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std::size_t si;
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if constexpr (std::is_enum<index_type>::value)
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si = static_cast<std::size_t>(supplied_index);
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else
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si = supplied_index;
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prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS array, si, expected_pointer, actual_pointer, buf, array_size);
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throw index_mismatch_exception(buf);
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}
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template <typename managed_type>
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void valptridx<managed_type>::index_range_exception::report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const array_managed_type *array, const long supplied_index)
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{
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using namespace untyped_index_range_exception;
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char buf[report_buffer_size];
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prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS array, supplied_index, buf, array_size);
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throw index_range_exception(buf);
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}
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template <typename managed_type>
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void valptridx<managed_type>::null_pointer_exception::report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_N_DEFN_VARS)
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{
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using namespace untyped_null_pointer_conversion_exception;
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char buf[report_buffer_size];
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prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS buf);
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throw null_pointer_exception(buf);
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}
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template <typename managed_type>
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void valptridx<managed_type>::null_pointer_exception::report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const array_managed_type *const array)
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{
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using namespace untyped_null_pointer_exception;
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char buf[report_buffer_size];
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prepare_report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS array, buf, array_size);
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throw null_pointer_exception(buf);
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}
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