Frobby 0.9.5
error.h
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1/* Frobby: Software for monomial ideal computations.
2 Copyright (C) 2007 Bjarke Hammersholt Roune (www.broune.com)
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see http://www.gnu.org/licenses/.
16*/
17#ifndef ERROR_GUARD
18#define ERROR_GUARD
19
20#include <stdexcept>
21#include <string>
22
23class Scanner;
24
27class FrobbyException : public std::runtime_error {
28 public:
29 FrobbyException(const string& str): runtime_error(str) {}
30};
31
33class InternalFrobbyException : public std::logic_error {
34 public:
35 InternalFrobbyException(const string& str): logic_error(str) {}
36};
37
38// The do {...} while (0) is to collect everything into a single
39// statement that still requires a semicolon after it. The throw is to
40// prevent spurious compiler warnings about a missing return
41// statement.
42#define INTERNAL_ERROR(msg) \
43 do { \
44 reportInternalError(msg, __FILE__, __LINE__); \
45 throw; \
46 } while (false)
47#define INTERNAL_ERROR_UNIMPLEMENTED() \
48 INTERNAL_ERROR("Called function that has not been implemented.")
49
50// These methods throw exceptions.
51void reportError(const string& errorMsg);
52void reportInternalError(const string& errorMsg);
54(const string& errorMsg, const char* file, unsigned int lineNumber);
55void reportSyntaxError(const Scanner& scanner, const string& errorMsg);
56
57template<class Exception>
58void throwError(const string& errorMsg) {
59 throw Exception("ERROR: " + errorMsg + '\n');
60}
61
62
63#define DEFINE_EXCEPTION(NAME) \
64 class NAME##Exception : public FrobbyException { \
65 public: \
66 NAME##Exception(const string& str): FrobbyException(str) {} \
67 }
68
69DEFINE_EXCEPTION(UnknownName);
70DEFINE_EXCEPTION(AmbiguousName);
71DEFINE_EXCEPTION(Unsupported);
72
73#endif
This is the base of the Frobby exception hierarchy for exceptions that can occur due to expected erro...
Definition error.h:27
FrobbyException(const string &str)
Definition error.h:29
This exception signals that a bug in Frobby has been detected.
Definition error.h:33
InternalFrobbyException(const string &str)
Definition error.h:35
This class offers an input interface which is more convenient and for some purposes more efficient th...
Definition Scanner.h:50
void reportInternalError(const string &errorMsg)
Definition error.cpp:29
void reportSyntaxError(const Scanner &scanner, const string &errorMsg)
Definition error.cpp:44
void throwError(const string &errorMsg)
Definition error.h:58
void reportError(const string &errorMsg)
Definition error.cpp:23
#define DEFINE_EXCEPTION(NAME)
Definition error.h:63