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7
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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
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37 static int lookup(char *);
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1621
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38 #ifdef USE_NB_ERRORHANDLER
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7
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39 static int errorHandler(Display *, XErrorEvent *);
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40 #endif
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41
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42 /*
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43 * nbdebug_wait - This function can be used to delay or stop execution of vim.
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44 * Its normally used to delay startup while attaching a
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45 * debugger to a running process. Since workshop starts gvim
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46 * from a background process this is the only way to debug
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47 * startup problems.
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48 */
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49
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50 void nbdebug_wait(
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51 u_int wait_flags, /* tells what to do */
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52 char *wait_var, /* wait environment variable */
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53 u_int wait_secs) /* how many seconds to wait */
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54 {
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55
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56 init_homedir(); /* not inited yet */
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57 #ifdef USE_WDDUMP
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58 WDDump(0, 0, 0);
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59 #endif
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60
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61 /* for debugging purposes only */
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62 if (wait_flags & WT_ENV && wait_var && getenv(wait_var) != NULL) {
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63 sleep(atoi(getenv(wait_var)));
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64 } else if (wait_flags & WT_WAIT && lookup("~/.gvimwait")) {
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65 sleep(wait_secs > 0 && wait_secs < 120 ? wait_secs : 20);
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66 } else if (wait_flags & WT_STOP && lookup("~/.gvimstop")) {
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67 int w = 1;
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68 while (w) {
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69 ;
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70 }
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71 }
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72 } /* end nbdebug_wait */
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73
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74
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75 void
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76 nbdebug_log_init(
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77 char *log_var, /* env var with log file */
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78 char *level_var) /* env var with nb_debug level */
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79 {
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80 char *file; /* possible nb_debug output file */
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81 char *cp; /* nb_dlevel pointer */
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82
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83 if (log_var && (file = getenv(log_var)) != NULL) {
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84 time_t now;
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85
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86 nb_debug = fopen(file, "a");
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87 time(&now);
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88 fprintf(nb_debug, "%s", asctime(localtime(&now)));
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89 if (level_var && (cp = getenv(level_var)) != NULL) {
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90 nb_dlevel = strtoul(cp, NULL, 0);
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91 } else {
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92 nb_dlevel = NB_TRACE; /* default level */
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93 }
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1621
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94 #ifdef USE_NB_ERRORHANDLER
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95 XSetErrorHandler(errorHandler);
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96 #endif
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7
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97 }
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98
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99 } /* end nbdebug_log_init */
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100
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101
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102 void
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103 nbdbg(
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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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33
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109 if (nb_debug != NULL && nb_dlevel & NB_TRACE) {
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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 nbdbg */
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117
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118
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119 static int
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120 lookup(
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121 char *file)
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122 {
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123 char buf[BUFSIZ];
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124
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125 expand_env((char_u *) file, (char_u *) buf, BUFSIZ);
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126 return
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127 #ifndef FEAT_GUI_W32
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128 (access(buf, F_OK) == 0);
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129 #else
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130 (access(buf, 0) == 0);
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131 #endif
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132
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133 } /* end lookup */
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134
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1621
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135 #ifdef USE_NB_ERRORHANDLER
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7
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136 static int
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137 errorHandler(
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138 Display *dpy,
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139 XErrorEvent *err)
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140 {
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141 char msg[256];
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142 char buf[256];
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143
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144 XGetErrorText(dpy, err->error_code, msg, sizeof(msg));
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145 nbdbg("\n\nNBDEBUG Vim: X Error of failed request: %s\n", msg);
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146
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147 sprintf(buf, "%d", err->request_code);
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148 XGetErrorDatabaseText(dpy,
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149 "XRequest", buf, "Unknown", msg, sizeof(msg));
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150 nbdbg("\tMajor opcode of failed request: %d (%s)\n",
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151 err->request_code, msg);
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152 if (err->request_code > 128) {
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153 nbdbg("\tMinor opcode of failed request: %d\n",
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154 err->minor_code);
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155 }
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156
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157 return 0;
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158 }
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159 #endif
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160
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161
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162 #endif /* NBDEBUG */
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