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/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/js/jsutil.h

http://github.com/onedayitwillmake/RealtimeMultiplayerNodeJs
C++ Header | 168 lines | 74 code | 37 blank | 57 comment | 2 complexity | cf919f638c39baa09f441f283e4f7eff MD5 | raw file
  1/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
  2 *
  3 * ***** BEGIN LICENSE BLOCK *****
  4 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  5 *
  6 * The contents of this file are subject to the Mozilla Public License Version
  7 * 1.1 (the "License"); you may not use this file except in compliance with
  8 * the License. You may obtain a copy of the License at
  9 * http://www.mozilla.org/MPL/
 10 *
 11 * Software distributed under the License is distributed on an "AS IS" basis,
 12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 13 * for the specific language governing rights and limitations under the
 14 * License.
 15 *
 16 * The Original Code is Mozilla Communicator client code, released
 17 * March 31, 1998.
 18 *
 19 * The Initial Developer of the Original Code is
 20 * Netscape Communications Corporation.
 21 * Portions created by the Initial Developer are Copyright (C) 1998
 22 * the Initial Developer. All Rights Reserved.
 23 *
 24 * Contributor(s):
 25 *
 26 * Alternatively, the contents of this file may be used under the terms of
 27 * either of the GNU General Public License Version 2 or later (the "GPL"),
 28 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 29 * in which case the provisions of the GPL or the LGPL are applicable instead
 30 * of those above. If you wish to allow use of your version of this file only
 31 * under the terms of either the GPL or the LGPL, and not to allow others to
 32 * use your version of this file under the terms of the MPL, indicate your
 33 * decision by deleting the provisions above and replace them with the notice
 34 * and other provisions required by the GPL or the LGPL. If you do not delete
 35 * the provisions above, a recipient may use your version of this file under
 36 * the terms of any one of the MPL, the GPL or the LGPL.
 37 *
 38 * ***** END LICENSE BLOCK ***** */
 39
 40/*
 41 * PR assertion checker.
 42 */
 43
 44#ifndef jsutil_h___
 45#define jsutil_h___
 46
 47JS_BEGIN_EXTERN_C
 48
 49#ifdef DEBUG
 50
 51extern JS_PUBLIC_API(void)
 52JS_Assert(const char *s, const char *file, JSIntn ln);
 53
 54#define JS_ASSERT(expr)                                                       \
 55    ((expr) ? (void)0 : JS_Assert(#expr, __FILE__, __LINE__))
 56
 57#define JS_ASSERT_IF(cond, expr)                                              \
 58    ((!(cond) || (expr)) ? (void)0 : JS_Assert(#expr, __FILE__, __LINE__))
 59
 60#define JS_NOT_REACHED(reason)                                                \
 61    JS_Assert(reason, __FILE__, __LINE__)
 62
 63#else
 64
 65#define JS_ASSERT(expr)         ((void) 0)
 66#define JS_ASSERT_IF(cond,expr) ((void) 0)
 67#define JS_NOT_REACHED(reason)
 68
 69#endif /* defined(DEBUG) */
 70
 71/*
 72 * Compile-time assert. "condition" must be a constant expression.
 73 * The macro can be used only in places where an "extern" declaration is
 74 * allowed.
 75 */
 76
 77/*
 78 * Sun Studio C++ compiler has a bug
 79 * "sizeof expression not accepted as size of array parameter"
 80 * The bug number is 6688515. It is not public yet.
 81 * Turn off this assert for Sun Studio until this bug is fixed.
 82 */
 83#ifdef __SUNPRO_CC
 84#define JS_STATIC_ASSERT(condition)
 85#else
 86#define JS_STATIC_ASSERT(condition)                                           \
 87    extern void js_static_assert(int arg[(condition) ? 1 : -1])
 88#endif
 89
 90/*
 91 * Abort the process in a non-graceful manner. This will cause a core file,
 92 * call to the debugger or other moral equivalent as well as causing the
 93 * entire process to stop.
 94 */
 95extern JS_PUBLIC_API(void) JS_Abort(void);
 96
 97#if 0
 98# define JS_BASIC_STATS 1
 99# define JS_SCOPE_DEPTH_METER 1
100#endif
101
102#if defined DEBUG && !defined JS_BASIC_STATS
103# define JS_BASIC_STATS 1
104#endif
105
106#ifdef JS_BASIC_STATS
107
108#include <stdio.h>
109
110typedef struct JSBasicStats {
111    uint32      num;
112    uint32      max;
113    double      sum;
114    double      sqsum;
115    uint32      logscale;           /* logarithmic scale: 0 (linear), 2, 10 */
116    uint32      hist[11];
117} JSBasicStats;
118
119#define JS_INIT_STATIC_BASIC_STATS  {0,0,0,0,0,{0,0,0,0,0,0,0,0,0,0,0}}
120#define JS_BASIC_STATS_INIT(bs)     memset((bs), 0, sizeof(JSBasicStats))
121
122#define JS_BASIC_STATS_ACCUM(bs,val)                                          \
123    JS_BasicStatsAccum(bs, val)
124
125#define JS_MeanAndStdDevBS(bs,sigma)                                          \
126    JS_MeanAndStdDev((bs)->num, (bs)->sum, (bs)->sqsum, sigma)
127
128extern void
129JS_BasicStatsAccum(JSBasicStats *bs, uint32 val);
130
131extern double
132JS_MeanAndStdDev(uint32 num, double sum, double sqsum, double *sigma);
133
134extern void
135JS_DumpBasicStats(JSBasicStats *bs, const char *title, FILE *fp);
136
137extern void
138JS_DumpHistogram(JSBasicStats *bs, FILE *fp);
139
140#else
141
142#define JS_BASIC_STATS_ACCUM(bs,val) /* nothing */
143
144#endif /* JS_BASIC_STATS */
145
146
147#ifdef XP_UNIX
148
149typedef struct JSCallsite JSCallsite;
150
151struct JSCallsite {
152    uint32      pc;
153    char        *name;
154    const char  *library;
155    int         offset;
156    JSCallsite  *parent;
157    JSCallsite  *siblings;
158    JSCallsite  *kids;
159    void        *handy;
160};
161
162extern JSCallsite *JS_Backtrace(int skip);
163
164#endif
165
166JS_END_EXTERN_C
167
168#endif /* jsutil_h___ */