forked from M-Labs/nac3
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
#pragma once
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#include "irrt/cslice.hpp"
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#include "irrt/int_types.hpp"
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/**
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* @brief The int type of ARTIQ exception IDs.
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*/
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typedef int32_t ExceptionId;
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/*
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* Set of exceptions C++ IRRT can use.
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* Must be synchronized with `setup_irrt_exceptions` in `nac3core/src/codegen/irrt/mod.rs`.
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*/
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extern "C" {
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ExceptionId EXN_INDEX_ERROR;
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ExceptionId EXN_VALUE_ERROR;
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ExceptionId EXN_ASSERTION_ERROR;
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ExceptionId EXN_TYPE_ERROR;
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}
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/**
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* @brief Extern function to `__nac3_raise`
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*
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* The parameter `err` could be `Exception<int32_t>` or `Exception<int64_t>`. The caller
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* must make sure to pass `Exception`s with the correct `SizeT` depending on the `size_t` of the runtime.
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*/
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extern "C" void __nac3_raise(void* err);
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namespace {
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/**
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* @brief NAC3's Exception struct
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*/
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template<typename SizeT>
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struct Exception {
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ExceptionId id;
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CSlice<SizeT> filename;
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int32_t line;
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int32_t column;
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CSlice<SizeT> function;
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CSlice<SizeT> msg;
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int64_t params[3];
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};
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constexpr int64_t NO_PARAM = 0;
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template<typename SizeT>
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void _raise_exception_helper(ExceptionId id,
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const char* filename,
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int32_t line,
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const char* function,
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const char* msg,
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int64_t param0,
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int64_t param1,
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int64_t param2) {
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Exception<SizeT> e = {
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.id = id,
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.filename = {.base = reinterpret_cast<const uint8_t*>(filename), .len = __builtin_strlen(filename)},
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.line = line,
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.column = 0,
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.function = {.base = reinterpret_cast<const uint8_t*>(function), .len = __builtin_strlen(function)},
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.msg = {.base = reinterpret_cast<const uint8_t*>(msg), .len = __builtin_strlen(msg)},
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};
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e.params[0] = param0;
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e.params[1] = param1;
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e.params[2] = param2;
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__nac3_raise(reinterpret_cast<void*>(&e));
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__builtin_unreachable();
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}
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/**
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* @brief Raise an exception with location details (location in the IRRT source files).
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* @param SizeT The runtime `size_t` type.
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* @param id The ID of the exception to raise.
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* @param msg A global constant C-string of the error message.
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*
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* `param0` to `param2` are optional format arguments of `msg`. They should be set to
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* `NO_PARAM` to indicate they are unused.
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*/
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#define raise_exception(SizeT, id, msg, param0, param1, param2) \
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_raise_exception_helper<SizeT>(id, __FILE__, __LINE__, __FUNCTION__, msg, param0, param1, param2)
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} // namespace
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