Mercurial > vim
annotate runtime/doc/terminal.txt @ 11866:be40c8a9240d v8.0.0813
patch 8.0.0813: cannot use a terminal window while the job is running
commit https://github.com/vim/vim/commit/423802d1a282df35078539970eabf559186e1ec8
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jul 30 16:52:24 2017 +0200
patch 8.0.0813: cannot use a terminal window while the job is running
Problem: Cannot use Vim commands in a terminal window while the job is
running.
Solution: Implement Terminal Normal mode.
author | Christian Brabandt <cb@256bit.org> |
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date | Sun, 30 Jul 2017 17:00:04 +0200 |
parents | d3d0db111d17 |
children | 4f7081eb1e26 |
rev | line source |
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1 *terminal.txt* For Vim version 8.0. Last change: 2017 Jul 30 |
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2 |
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3 |
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4 VIM REFERENCE MANUAL by Bram Moolenaar |
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5 |
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6 |
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7 Terminal window support *terminal* |
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8 |
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9 |
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10 WARNING: THIS IS ONLY PARTLY IMPLEMENTED, ANYTHING CAN STILL CHANGE |
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11 |
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12 The terminal feature is optional, use this to check if your Vim has it: > |
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13 echo has('terminal') |
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14 If the result is "1" you have it. |
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15 |
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16 |
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17 1. Basic use |terminal-use| |
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18 2. Remote testing |terminal-testing| |
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19 3. Debugging |terminal-debug| |
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20 |
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21 {Vi does not have any of these commands} |
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22 |
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23 ============================================================================== |
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24 1. Basic use *terminal-use* |
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25 |
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26 This feature is for running a terminal emulator in a Vim window. A job can be |
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27 started connected to the terminal emulator. For example, to run a shell: > |
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28 :term bash |
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29 |
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30 Or to run a debugger: > |
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31 :term gdb vim |
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32 |
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33 The job runs asynchronously from Vim, the window will be updated to show |
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34 output from the job, also while editing in any other window. |
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35 |
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36 |
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37 Typing ~ |
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38 |
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39 When the keyboard focus is in the terminal window, typed keys will be send to |
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40 the job. This uses a pty when possible. You can click outside of the |
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41 terminal window to move keyboard focus elsewhere. |
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42 |
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43 CTRL-W can be used to navigate between windows and other CTRL-W commands, e.g.: |
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44 CTRL-W CTRL-W move focus to the next window |
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45 CTRL-W : enter an Ex command |
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46 See |CTRL-W| for more commands. |
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47 |
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48 Special in the terminal window: *CTRL-W_.* *CTRL-W_N* |
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49 CTRL-W . send a CTRL-W to the job in the terminal |
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50 CTRL-W N go to Terminal Normal mode, see |Terminal-mode| |
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51 |
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52 See option 'termkey' for specifying another key instead of CTRL-W that |
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53 will work like CTRL-W. However, typing 'termkey' twice sends 'termkey' to |
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54 the job. For example: |
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55 'termkey' CTRL-W move focus to the next window |
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56 'termkey' : enter an Ex command |
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57 'termkey' 'termkey' send 'termkey' to the job in the terminal |
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58 'termkey' . send a CTRL-W to the job in the terminal |
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59 'termkey' N go to terminal Normal mode, see below |
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60 'termkey' CTRL-N same as CTRL-W N |
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61 |
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62 |
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63 Size ~ |
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64 |
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65 See option 'termsize' for controlling the size of the terminal window. |
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66 (TODO: scrolling when the terminal is larger than the window) |
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67 |
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68 |
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69 Syntax ~ |
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70 |
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71 :ter[minal] [command] *:ter* *:terminal* |
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72 Open a new terminal window. |
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73 |
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74 If [command] is provided run it as a job and connect |
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75 the input and output to the terminal. |
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76 If [command] is not given the 'shell' option is used. |
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77 |
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78 A new buffer will be created, using [command] or |
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79 'shell' as the name. If a buffer by this name already |
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80 exists a number is added in parenthesis. |
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81 E.g. if "gdb" exists the second terminal buffer will |
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82 use "gdb (1)". |
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83 |
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84 The window can be closed, in which case the buffer |
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85 becomes hidden. The command will not be stopped. The |
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86 `:buffer` command can be used to turn the current |
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87 window into a terminal window, using the existing |
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88 buffer. If there are unsaved changes this fails, use |
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89 ! to force, as usual. |
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90 |
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91 When the buffer associated with the terminal is wiped out the job is killed, |
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92 similar to calling `job_stop(job, "kill")` |
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93 |
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94 |
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95 Resizing ~ |
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96 |
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97 The size of the terminal can be in one of three modes: |
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98 |
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99 1. The 'termsize' option is empty: The terminal size follows the window size. |
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100 The minimal size is 2 screen lines with 10 cells. |
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101 |
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102 2. The 'termsize' option is "rows*cols", where "rows" is the minimal number of |
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103 screen rows and "cols" is the minimal number of cells. |
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104 |
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105 3. The 'termsize' option is "rowsXcols" (where the x is upper or lower case). |
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106 The terminal size is fixed to the specified number of screen lines and |
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107 cells. If the window is bigger there will be unused empty space. |
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108 |
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109 If the window is smaller than the terminal size, only part of the terminal can |
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110 be seen (the lower-left part). |
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111 |
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112 The |term_getsize()| function can be used to get the current size of the |
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113 terminal. |term_setsize()| can be used only when in the first or second mode, |
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114 not when 'termsize' is "rowsXcols". |
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115 |
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116 |
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117 Terminal Normal mode ~ |
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118 *Terminal-mode* |
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119 When the job is running the contents of the terminal is under control of the |
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120 job. That includes the cursor position. The terminal contents can change at |
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121 any time. |
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122 |
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123 Use CTRL-W N (or 'termkey' N) to go to Terminal Normal mode. Now the contents |
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124 of the terminal window is under control of Vim, the job output is suspended. |
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125 *E946* |
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126 In this mode you can move the cursor around with the usual Vim commands, |
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127 Visually mark text, yank text, etc. But you cannot change the contents of the |
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128 buffer. The commands that would start insert mode, such as 'i' and 'a', |
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129 return control of the window to the job. Any pending output will now be |
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130 displayed. |
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131 |
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132 In Terminal mode the statusline and window title show "(Terminal)". If the |
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133 job ends while in Terminal mode this changes to "(Terminal-finished)". |
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134 |
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135 |
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136 Unix ~ |
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137 |
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138 On Unix a pty is used to make it possible to run all kinds of commands. You |
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139 can even run Vim in the terminal! That's used for debugging, see below. |
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140 |
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141 |
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142 MS-Windows ~ |
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143 |
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144 On MS-Windows winpty is used to make it possible to run all kind of commands. |
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145 Obviously, they must be commands that run in a terminal, not open their own |
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146 window. |
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147 |
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148 You need the following two files from winpty: |
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149 |
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150 winpty.dll |
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151 winpty-agent.exe |
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152 |
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153 You can download them from the following page: |
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154 |
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155 https://github.com/rprichard/winpty |
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156 |
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157 Just put the files somewhere in your PATH. |
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158 |
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159 ============================================================================== |
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160 2. Remote testing *terminal-testing* |
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161 |
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162 Most Vim tests execute a script inside Vim. For some tests this does not |
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163 work, running the test interferes with the code being tested. To avoid this |
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164 Vim is executed in a terminal window. The test sends keystrokes to it and |
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165 inspects the resulting screen state. |
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166 |
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167 Functions ~ |
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168 |
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169 term_sendkeys() send keystrokes to a terminal |
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170 term_wait() wait for screen to be updated |
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171 term_scrape() inspect terminal screen |
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172 |
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173 |
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174 ============================================================================== |
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175 3. Debugging *terminal-debug* |
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176 |
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177 The Terminal debugging plugin can be used to debug a program with gdb and view |
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178 the source code in a Vim window. For example: > |
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179 |
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180 :TermDebug vim |
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181 |
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182 This opens three windows: |
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183 - A terminal window in which "gdb vim" is executed. Here you can directly |
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184 interact with gdb. |
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185 - A terminal window for the executed program. When "run" is used in gdb the |
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186 program I/O will happen in this window, so that it does not interfere with |
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187 controlling gdb. |
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188 - A normal Vim window used to show the source code. When gdb jumps to a |
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189 source file location this window will display the code, if possible. Values |
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190 of variables can be inspected, breakpoints set and cleared, etc. |
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191 |
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192 This uses two terminal windows. To open the gdb window: > |
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193 :term gdb [arguments] |
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194 To open the terminal to run the tested program |term_open()| is used. |
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195 |
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196 TODO |
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197 |
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198 |
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199 vim:tw=78:ts=8:ft=help:norl: |