]> git.saurik.com Git - cycript.git/blame_incremental - Exception.hpp
Replace only apr_pool_cleanup_register with CYPool.
[cycript.git] / Exception.hpp
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1/* Cycript - Optimizing JavaScript Compiler/Runtime
2 * Copyright (C) 2009-2013 Jay Freeman (saurik)
3*/
4
5/* GNU General Public License, Version 3 {{{ */
6/*
7 * Cycript is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published
9 * by the Free Software Foundation, either version 3 of the License,
10 * or (at your option) any later version.
11 *
12 * Cycript is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with Cycript. If not, see <http://www.gnu.org/licenses/>.
19**/
20/* }}} */
21
22#ifndef CYCRIPT_EXCEPTION_HPP
23#define CYCRIPT_EXCEPTION_HPP
24
25#ifdef CY_EXECUTE
26#include <JavaScriptCore/JSBase.h>
27#endif
28
29#include "Standard.hpp"
30
31class CYPool;
32
33struct CYException {
34 virtual ~CYException() {
35 }
36
37 virtual const char *PoolCString(CYPool &pool) const = 0;
38#ifdef CY_EXECUTE
39 virtual JSValueRef CastJSValue(JSContextRef context) const = 0;
40#endif
41};
42
43void CYThrow(const char *format, ...) _noreturn;
44
45#ifdef CY_EXECUTE
46void CYThrow(JSContextRef context, JSValueRef value);
47#endif
48
49#define CYTry \
50 try
51#define CYCatch(value) \
52 catch (const CYException &error) { \
53 *exception = error.CastJSValue(context); \
54 return value; \
55 } catch (...) { \
56 *exception = CYCastJSValue(context, "catch(...)"); \
57 return value; \
58 }
59
60// XXX: fix this: _ is not safe; this is /not/ Menes ;P
61#undef _assert
62#define _assert(test, args...) do { \
63 if (!(test)) \
64 CYThrow("*** _assert(%s):%s(%u):%s [errno=%d]", #test, __FILE__, __LINE__, __FUNCTION__, errno); \
65} while (false)
66
67#define _trace() do { \
68 fprintf(stderr, "_trace():%u\n", __LINE__); \
69} while (false)
70
71#define _syscall(expr) ({ \
72 __typeof__(expr) _value; \
73 do if ((long) (_value = (expr)) != -1) \
74 break; \
75 else switch (errno) { \
76 case EINTR: \
77 continue; \
78 default: \
79 _assert(false); \
80 } while (true); \
81 _value; \
82})
83
84#define _aprcall(expr) \
85 do { \
86 apr_status_t _aprstatus((expr)); \
87 _assert(_aprstatus == APR_SUCCESS); \
88 } while (false)
89
90#define _krncall(expr) \
91 do { \
92 kern_return_t _krnstatus((expr)); \
93 _assert(_krnstatus == KERN_SUCCESS); \
94 } while (false)
95
96#define _sqlcall(expr) ({ \
97 __typeof__(expr) _value = (expr); \
98 if (_value != 0 && (_value < 100 || _value >= 200)) \
99 _assert(false, "_sqlcall(%u:%s): %s\n", _value, #expr, sqlite3_errmsg(database_)); \
100 _value; \
101})
102
103#endif/*CYCRIPT_ERROR_HPP*/