]> git.saurik.com Git - cycript.git/blame_incremental - Exception.hpp
Only link libcycript against libffi (not cycript).
[cycript.git] / Exception.hpp
... / ...
CommitLineData
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 <apr_pools.h>
30#include "Standard.hpp"
31
32struct CYException {
33 virtual ~CYException() {
34 }
35
36 virtual const char *PoolCString(apr_pool_t *pool) const = 0;
37#ifdef CY_EXECUTE
38 virtual JSValueRef CastJSValue(JSContextRef context) const = 0;
39#endif
40};
41
42void CYThrow(const char *format, ...) _noreturn;
43
44#ifdef CY_EXECUTE
45void CYThrow(JSContextRef context, JSValueRef value);
46#endif
47
48#define CYTry \
49 try
50#define CYCatch(value) \
51 catch (const CYException &error) { \
52 *exception = error.CastJSValue(context); \
53 return value; \
54 } catch (...) { \
55 *exception = CYCastJSValue(context, "catch(...)"); \
56 return value; \
57 }
58
59// XXX: fix this: _ is not safe; this is /not/ Menes ;P
60#undef _assert
61#define _assert(test, args...) do { \
62 if (!(test)) \
63 CYThrow("*** _assert(%s):%s(%u):%s [errno=%d]", #test, __FILE__, __LINE__, __FUNCTION__, errno); \
64} while (false)
65
66#define _trace() do { \
67 fprintf(stderr, "_trace():%u\n", __LINE__); \
68} while (false)
69
70#define _syscall(expr) ({ \
71 __typeof__(expr) _value; \
72 do if ((long) (_value = (expr)) != -1) \
73 break; \
74 else switch (errno) { \
75 case EINTR: \
76 continue; \
77 default: \
78 _assert(false); \
79 } while (true); \
80 _value; \
81})
82
83#define _aprcall(expr) \
84 do { \
85 apr_status_t _aprstatus((expr)); \
86 _assert(_aprstatus == APR_SUCCESS); \
87 } while (false)
88
89#define _krncall(expr) \
90 do { \
91 kern_return_t _krnstatus((expr)); \
92 _assert(_krnstatus == KERN_SUCCESS); \
93 } while (false)
94
95#define _sqlcall(expr) ({ \
96 __typeof__(expr) _value = (expr); \
97 if (_value != 0 && (_value < 100 || _value >= 200)) \
98 _assert(false, "_sqlcall(%u:%s): %s\n", _value, #expr, sqlite3_errmsg(database_)); \
99 _value; \
100})
101
102#endif/*CYCRIPT_ERROR_HPP*/