-/* Cycript - Inlining/Optimizing JavaScript Compiler
- * Copyright (C) 2009 Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016 Jay Freeman (saurik)
*/
-/* Modified BSD License {{{ */
+/* GNU Affero General Public License, Version 3 {{{ */
/*
- * Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the
- * above copyright notice, this list of conditions
- * and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions
- * and the following disclaimer in the documentation
- * and/or other materials provided with the
- * distribution.
- * 3. The name of the author may not be used to endorse
- * or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+**/
/* }}} */
#ifndef CYCRIPT_EXCEPTION_HPP
#define CYCRIPT_EXCEPTION_HPP
+#include <cstdlib>
+
+#ifdef CY_EXECUTE
#include <JavaScriptCore/JSBase.h>
+#endif
+
+// XXX: does _assert really need this?
+#include <errno.h>
-#include <apr_pools.h>
#include "Standard.hpp"
-struct CYException {
+class CYPool;
+
+struct _visible CYException {
virtual ~CYException() {
}
- virtual const char *PoolCString(apr_pool_t *pool) const = 0;
- virtual JSValueRef CastJSValue(JSContextRef context) const = 0;
+ virtual const char *PoolCString(CYPool &pool) const = 0;
+#ifdef CY_EXECUTE
+ virtual JSValueRef CastJSValue(JSContextRef context, const char *name) const = 0;
+#endif
};
void CYThrow(const char *format, ...) _noreturn;
+
+#ifdef CY_EXECUTE
void CYThrow(JSContextRef context, JSValueRef value);
+#endif
#define CYTry \
try
-#define CYCatch \
+#define CYCatch_(value, name) \
catch (const CYException &error) { \
- *exception = error.CastJSValue(context); \
- return NULL; \
+ *exception = error.CastJSValue(context, name); \
+ _assert(*exception != NULL); \
+ return value; \
} catch (...) { \
*exception = CYCastJSValue(context, "catch(...)"); \
- return NULL; \
+ _assert(*exception != NULL); \
+ return value; \
}
+#define CYCatch(value) \
+ CYCatch_(value, "Error")
+#define CYCatchObject() \
+ CYCatch(JSObjectMake(context, NULL, NULL))
-#define _assert(test, args...) do { \
+#define _assert_(mode, test, code, format, ...) do \
if (!(test)) \
- CYThrow("*** _assert(%s):%s(%u):%s [errno=%d]", #test, __FILE__, __LINE__, __FUNCTION__, errno); \
-} while (false)
+ CYThrow("*** _%s(%s):%s(%u):%s" format, mode, code, __FILE__, __LINE__, __FUNCTION__, ##__VA_ARGS__); \
+while (false)
+
+// XXX: fix this: _ is not safe; this is /not/ Menes ;P
+#undef _assert
+#define _assert(test) \
+ _assert_("assert", (test), #test, "")
+
+#define _require(expr) ({ \
+ __typeof__(expr) _value = (expr); \
+ _assert_("require", _value != NULL, #expr, ""); \
+_value; })
#define _trace() do { \
- fprintf(stderr, "_trace():%u\n", __LINE__); \
+ fprintf(stderr, "_trace(%s:%u)\n", __FILE__, __LINE__); \
} while (false)
-#define _syscall(expr) ({ \
+static _finline bool CYContains(int value, size_t many, const int *okay) {
+ for (size_t i(0); i != many; ++i)
+ if (value == okay[i])
+ return true;
+ return false;
+}
+
+#define _syscall_(expr, many, ...) ({ \
__typeof__(expr) _value; \
do if ((long) (_value = (expr)) != -1) \
break; \
- else switch (errno) { \
- case EINTR: \
- continue; \
- default: \
- _assert(false); \
- } while (true); \
+ else if (CYContains(errno, many, ((const int [many + 1]) {0, ##__VA_ARGS__} + 1))) \
+ break; \
+ else \
+ _assert_("syscall", errno == EINTR, #expr, " [errno=%d]", errno); \
+ while (true); \
_value; \
})
-#define _aprcall(expr) \
- do { \
- apr_status_t _aprstatus((expr)); \
- _assert(_aprstatus == APR_SUCCESS); \
- } while (false)
-
-#define _krncall(expr) \
- do { \
- kern_return_t _krnstatus((expr)); \
- _assert(_krnstatus == KERN_SUCCESS); \
- } while (false)
+#define _syscall(expr) \
+ _syscall_(expr, 0)
#define _sqlcall(expr) ({ \
__typeof__(expr) _value = (expr); \
- if (_value != 0 && (_value < 100 || _value >= 200)) \
- _assert(false, "_sqlcall(%u:%s): %s\n", _value, #expr, sqlite3_errmsg(database_)); \
- _value; \
+ _assert_("sqlcall", _value == 0 || _value >= 100 && _value < 200, #expr, " %u:%s", _value, sqlite3_errmsg(database_)); \
+_value; })
+
+#ifdef CY_EXECUTE
+struct CYJSException {
+ JSContextRef context_;
+ JSValueRef value_;
+
+ CYJSException(JSContextRef context) :
+ context_(context),
+ value_(NULL)
+ {
+ }
+
+ ~CYJSException() noexcept(false) {
+ CYThrow(context_, value_);
+ }
+
+ operator JSValueRef *() {
+ return &value_;
+ }
+};
+
+#define _jsccall(code, args...) ({ \
+ CYJSException _error(context); \
+ (code)(args, _error); \
})
+#endif
#endif/*CYCRIPT_ERROR_HPP*/
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