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https://github.com/Z3Prover/z3
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7e34925035
This should replace several "segfaults" and "illegal instruction" errors with messages that contain a bit more context. I also put in a link to the bug tracker to make users' lives a bit easier. For context, `__builtin_unreachable`'s behavior is undefined and is intended only as a mechanism to help the compiler see that code will not return. I do still include it in the new code because if I don't, compilation produces a lot more warnings as it can't see that `NOT_IMPLEMENTED_YET` and `UNREACHABLE` cannot return.
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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z3_exception.cpp
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Abstract:
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Generic Z3 exception
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Author:
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Leonardo (leonardo) 2012-04-12
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Notes:
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--*/
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#include<stdarg.h>
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#include<sstream>
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#include "util/z3_exception.h"
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#include "util/warning.h"
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#include "util/error_codes.h"
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#include "util/debug.h"
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unsigned z3_exception::error_code() const {
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return ERR_OK;
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}
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bool z3_exception::has_error_code() const {
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return error_code() != ERR_OK;
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}
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z3_error::z3_error(unsigned error_code):m_error_code(error_code) {
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SASSERT(error_code != 0);
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}
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char const * z3_error::msg() const {
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switch (m_error_code) {
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case ERR_MEMOUT: return "out of memory";
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case ERR_TIMEOUT: return "timeout";
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case ERR_PARSER: return "parser error";
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case ERR_UNSOUNDNESS: return "unsoundess";
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case ERR_INCOMPLETENESS: return "incompleteness";
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case ERR_INI_FILE: return "invalid INI file";
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case ERR_NOT_IMPLEMENTED_YET: return "not implemented yet";
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case ERR_OPEN_FILE: return "open file";
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case ERR_CMD_LINE: return "invalid command line";
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case ERR_INTERNAL_FATAL: return "internal error";
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case ERR_TYPE_CHECK: return "type error";
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case ERR_ALLOC_EXCEEDED: return "number of configured allocations exceeded";
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case ERR_UNREACHABLE: return "unreachable code was reached";
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default: return "unknown error";
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}
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}
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unsigned z3_error::error_code() const {
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return m_error_code;
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}
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default_exception::default_exception(fmt, char const* msg, ...) {
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std::stringstream out;
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va_list args;
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va_start(args, msg);
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format2ostream(out, msg, args);
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va_end(args);
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m_msg = out.str();
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}
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char const * default_exception::msg() const {
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return m_msg.c_str();
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}
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