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1 /* vi:set ts=8 sts=8 sw=8:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 * Visual Workshop integration by Gordon Prieur
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5 *
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6 * Do ":help uganda" in Vim to read copying and usage conditions.
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7 * Do ":help credits" in Vim to see a list of people who contributed.
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8 * See README.txt for an overview of the Vim source code.
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9 */
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10
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11 /*
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12 * NetBeans Debugging Tools. What are these tools and why are they important?
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13 * There are two main tools here. The first tool is a tool for delaying or
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14 * stopping gvim during startup. The second tool is a protocol log tool.
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15 *
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16 * The startup delay tool is called nbdebug_wait(). This is very important for
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17 * debugging startup problems because gvim will be started automatically from
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18 * netbeans and cannot be run directly from a debugger. The only way to debug
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19 * a gvim started by netbeans is by attaching a debugger to it. Without this
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20 * tool all starup code will have completed before you can get the pid and
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21 * attach.
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22 *
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23 * The second tool is a log tool.
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24 *
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25 * This code must have NBDEBUG defined for it to be compiled into vim/gvim.
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26 */
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27
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28 #ifdef NBDEBUG
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29
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30 #include "vim.h"
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31
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32 FILE *nb_debug = NULL;
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33 u_int nb_dlevel = 0; /* nb_debug verbosity level */
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34
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35 void nbdb(char *, ...);
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36 void nbtrace(char *, ...);
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37
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38 static int lookup(char *);
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39 #ifndef FEAT_GUI_W32
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40 static int errorHandler(Display *, XErrorEvent *);
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41 #endif
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42
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43 /*
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44 * nbdebug_wait - This function can be used to delay or stop execution of vim.
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45 * Its normally used to delay startup while attaching a
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46 * debugger to a running process. Since workshop starts gvim
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47 * from a background process this is the only way to debug
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48 * startup problems.
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49 */
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50
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51 void nbdebug_wait(
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52 u_int wait_flags, /* tells what to do */
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53 char *wait_var, /* wait environment variable */
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54 u_int wait_secs) /* how many seconds to wait */
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55 {
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56
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57 init_homedir(); /* not inited yet */
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58 #ifdef USE_WDDUMP
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59 WDDump(0, 0, 0);
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60 #endif
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61
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62 /* for debugging purposes only */
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63 if (wait_flags & WT_ENV && wait_var && getenv(wait_var) != NULL) {
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64 sleep(atoi(getenv(wait_var)));
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65 } else if (wait_flags & WT_WAIT && lookup("~/.gvimwait")) {
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66 sleep(wait_secs > 0 && wait_secs < 120 ? wait_secs : 20);
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67 } else if (wait_flags & WT_STOP && lookup("~/.gvimstop")) {
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68 int w = 1;
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69 while (w) {
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70 ;
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71 }
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72 }
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73 } /* end nbdebug_wait */
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74
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75
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76 void
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77 nbdebug_log_init(
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78 char *log_var, /* env var with log file */
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79 char *level_var) /* env var with nb_debug level */
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80 {
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81 char *file; /* possible nb_debug output file */
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82 char *cp; /* nb_dlevel pointer */
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83
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84 if (log_var && (file = getenv(log_var)) != NULL) {
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85 time_t now;
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86
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87 nb_debug = fopen(file, "a");
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88 time(&now);
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89 fprintf(nb_debug, "%s", asctime(localtime(&now)));
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90 if (level_var && (cp = getenv(level_var)) != NULL) {
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91 nb_dlevel = strtoul(cp, NULL, 0);
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92 } else {
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93 nb_dlevel = NB_TRACE; /* default level */
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94 }
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95 }
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96
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97 } /* end nbdebug_log_init */
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98
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99
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100
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101
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102 void
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103 nbtrace(
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104 char *fmt,
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105 ...)
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106 {
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107 va_list ap;
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108
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109 if (nb_debug!= NULL && (nb_dlevel & (NB_TRACE | NB_TRACE_VERBOSE))) {
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110 va_start(ap, fmt);
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111 vfprintf(nb_debug, fmt, ap);
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112 va_end(ap);
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113 fflush(nb_debug);
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114 }
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115
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116 } /* end nbtrace */
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117
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118
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119 void
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120 nbdbg(
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121 char *fmt,
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122 ...)
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123 {
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124 va_list ap;
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125
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126 if (nb_debug != NULL && nb_dlevel & NB_TRACE) {
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127 va_start(ap, fmt);
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128 vfprintf(nb_debug, fmt, ap);
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129 va_end(ap);
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130 fflush(nb_debug);
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131 }
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132
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133 } /* end nbdbg */
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134
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135
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136 void
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137 nbprt(
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138 char *fmt,
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139 ...)
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140 {
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141 va_list ap;
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142
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143 if (nb_debug != NULL && nb_dlevel & NB_PRINT) {
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144 va_start(ap, fmt);
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145 vfprintf(nb_debug, fmt, ap);
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146 va_end(ap);
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147 fflush(nb_debug);
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148 }
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149
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150 } /* end nbprt */
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151
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152
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153 static int
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154 lookup(
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155 char *file)
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156 {
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157 char buf[BUFSIZ];
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158
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159 expand_env((char_u *) file, (char_u *) buf, BUFSIZ);
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160 return
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161 #ifndef FEAT_GUI_W32
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162 (access(buf, F_OK) == 0);
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163 #else
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164 (access(buf, 0) == 0);
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165 #endif
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166
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167 } /* end lookup */
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168
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169 #ifndef FEAT_GUI_W32
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170 static int
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171 errorHandler(
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172 Display *dpy,
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173 XErrorEvent *err)
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174 {
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175 char msg[256];
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176 char buf[256];
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177
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178 XGetErrorText(dpy, err->error_code, msg, sizeof(msg));
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179 nbdbg("\n\nNBDEBUG Vim: X Error of failed request: %s\n", msg);
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180
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181 sprintf(buf, "%d", err->request_code);
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182 XGetErrorDatabaseText(dpy,
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183 "XRequest", buf, "Unknown", msg, sizeof(msg));
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184 nbdbg("\tMajor opcode of failed request: %d (%s)\n",
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185 err->request_code, msg);
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186 if (err->request_code > 128) {
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187 nbdbg("\tMinor opcode of failed request: %d\n",
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188 err->minor_code);
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189 }
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190
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191 return 0;
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192 }
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193 #endif
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194
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195
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196 #endif /* NBDEBUG */
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