Mercurial > vim
annotate runtime/doc/terminal.txt @ 11965:a932d3da41c8 v8.0.0863
patch 8.0.0863: a remote command does not work in the terminal window
commit https://github.com/vim/vim/commit/69198197fd4b061be7cadcf441cd8a7246a17148
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Aug 5 14:10:48 2017 +0200
patch 8.0.0863: a remote command does not work in the terminal window
Problem: A remote command starting with CTRL-\ CTRL-N does not work in the
terminal window. (Christian J. Robinson)
Solution: Use CTRL-\ CTRL-N as a prefix or a Normal mode command.
author | Christian Brabandt <cb@256bit.org> |
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date | Sat, 05 Aug 2017 14:15:04 +0200 |
parents | 4f7081eb1e26 |
children | 12833414cc02 |
rev | line source |
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11914 | 1 *terminal.txt* For Vim version 8.0. Last change: 2017 Aug 01 |
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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| |
11914 | 51 CTRL-W " {reg} paste register {reg} *CTRL-W_quote* |
52 Also works with the = register to insert the result of | |
53 evaluating an expression. | |
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54 |
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55 See option 'termkey' for specifying another key instead of CTRL-W that |
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56 will work like CTRL-W. However, typing 'termkey' twice sends 'termkey' to |
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57 the job. For example: |
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58 'termkey' CTRL-W move focus to the next window |
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59 'termkey' : enter an Ex command |
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60 'termkey' 'termkey' send 'termkey' to the job in the terminal |
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61 'termkey' . send a CTRL-W to the job in the terminal |
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62 'termkey' N go to terminal Normal mode, see below |
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63 'termkey' CTRL-N same as CTRL-W N |
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64 *t_CTRL-\_CTRL-N* |
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65 The special key combination CTRL-\ CTRL-N can be used to prefix one Normal |
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66 mode command. This is especially useful for remote commands, when you don't |
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67 know whether Vim currently has focus in a terminal window. Note that only one |
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68 Normal mode command can be used. |
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69 |
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70 |
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71 Size ~ |
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72 |
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73 See option 'termsize' for controlling the size of the terminal window. |
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74 (TODO: scrolling when the terminal is larger than the window) |
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75 |
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76 |
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77 Syntax ~ |
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78 |
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79 :ter[minal] [command] *:ter* *:terminal* |
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80 Open a new terminal window. |
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81 |
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82 If [command] is provided run it as a job and connect |
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83 the input and output to the terminal. |
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84 If [command] is not given the 'shell' option is used. |
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85 |
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86 A new buffer will be created, using [command] or |
11914 | 87 'shell' as the name, prefixed with a "!". If a buffer |
88 by this name already exists a number is added in | |
89 parenthesis. E.g. if "gdb" exists the second terminal | |
90 buffer will use "!gdb (1)". | |
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91 |
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92 When the buffer associated with the terminal is wiped out the job is killed, |
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93 similar to calling `job_stop(job, "kill")` |
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94 |
11914 | 95 So long as the job is running: If the window is closed the buffer becomes |
96 hidden. The command will not be stopped. The `:buffer` command can be used | |
97 to turn the current window into a terminal window. If there are unsaved | |
98 changes this fails, use ! to force, as usual. | |
99 | |
100 When the job has finished and no changes were made to the buffer: closing the | |
101 window will wipe out the buffer. | |
102 | |
103 Before changes can be made to a terminal buffer, the 'modifiable' option must | |
104 be set. This is only possible when the job has finished. At the first change | |
105 the buffer will become a normal buffer and the highlighting is removed. | |
106 You may want to change the buffer name with |:file| to be able to write, since | |
107 the buffer name will still be set to the command. | |
108 | |
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109 |
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110 Resizing ~ |
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111 |
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112 The size of the terminal can be in one of three modes: |
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113 |
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114 1. The 'termsize' option is empty: The terminal size follows the window size. |
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115 The minimal size is 2 screen lines with 10 cells. |
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116 |
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117 2. The 'termsize' option is "rows*cols", where "rows" is the minimal number of |
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118 screen rows and "cols" is the minimal number of cells. |
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119 |
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120 3. The 'termsize' option is "rowsXcols" (where the x is upper or lower case). |
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121 The terminal size is fixed to the specified number of screen lines and |
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122 cells. If the window is bigger there will be unused empty space. |
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123 |
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124 If the window is smaller than the terminal size, only part of the terminal can |
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125 be seen (the lower-left part). |
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126 |
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127 The |term_getsize()| function can be used to get the current size of the |
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128 terminal. |term_setsize()| can be used only when in the first or second mode, |
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129 not when 'termsize' is "rowsXcols". |
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130 |
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131 |
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132 Terminal Normal mode ~ |
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133 *Terminal-mode* |
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134 When the job is running the contents of the terminal is under control of the |
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135 job. That includes the cursor position. The terminal contents can change at |
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136 any time. |
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137 |
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138 Use CTRL-W N (or 'termkey' N) to go to Terminal Normal mode. Now the contents |
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139 of the terminal window is under control of Vim, the job output is suspended. |
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140 *E946* |
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141 In this mode you can move the cursor around with the usual Vim commands, |
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142 Visually mark text, yank text, etc. But you cannot change the contents of the |
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143 buffer. The commands that would start insert mode, such as 'i' and 'a', |
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144 return control of the window to the job. Any pending output will now be |
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145 displayed. |
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146 |
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147 In Terminal mode the statusline and window title show "(Terminal)". If the |
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148 job ends while in Terminal mode this changes to "(Terminal-finished)". |
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149 |
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150 Environment variables are used to pass information to the running job: |
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151 TERM name of the terminal, 'term' |
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152 ROWS number of rows in the terminal initially |
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153 LINES same as ROWS |
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154 COLUMNS number of columns in the terminal initially |
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155 COLORS number of colors, 't_Co' (256*256*256 in the GUI) |
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156 VIM_SERVERNAME v:servername |
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157 |
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158 The |client-server| feature can be used to communicate with the Vim instance |
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159 where the job was started. This only works when v:servername is not empty. |
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160 If needed you can set it with: > |
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161 call remote_startserver('vim-server') |
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162 |
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163 In the job you can then do something like: > |
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164 vim --servername $VIM_SERVERNAME --remote +123 some_file.c |
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165 This will open the file "some_file.c" and put the cursor on line 123. |
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166 |
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167 |
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168 Unix ~ |
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169 |
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170 On Unix a pty is used to make it possible to run all kinds of commands. You |
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171 can even run Vim in the terminal! That's used for debugging, see below. |
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172 |
11914 | 173 Environment variables are used to pass information to the running job: |
174 TERM name of the terminal, 'term' | |
175 ROWS number of rows in the terminal initially | |
176 LINES same as ROWS | |
177 COLUMNS number of columns in the terminal initially | |
178 COLORS number of colors, 't_Co' (256*256*256 in the GUI) | |
179 VIM_SERVERNAME v:servername | |
180 | |
181 The |client-server| feature can be used to communicate with the Vim instance | |
182 where the job was started. This only works when v:servername is not empty. | |
183 If needed you can set it with: > | |
184 call remote_startserver('vim-server') | |
185 | |
186 In the job you can then do something like: > | |
187 vim --servername $VIM_SERVERNAME --remote +123 some_file.c | |
188 This will open the file "some_file.c" and put the cursor on line 123. | |
189 | |
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190 |
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191 MS-Windows ~ |
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192 |
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193 On MS-Windows winpty is used to make it possible to run all kind of commands. |
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194 Obviously, they must be commands that run in a terminal, not open their own |
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195 window. |
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196 |
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197 You need the following two files from winpty: |
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198 |
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199 winpty.dll |
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200 winpty-agent.exe |
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201 |
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202 You can download them from the following page: |
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203 |
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204 https://github.com/rprichard/winpty |
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205 |
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206 Just put the files somewhere in your PATH. |
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207 |
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208 ============================================================================== |
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209 2. Remote testing *terminal-testing* |
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210 |
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211 Most Vim tests execute a script inside Vim. For some tests this does not |
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212 work, running the test interferes with the code being tested. To avoid this |
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213 Vim is executed in a terminal window. The test sends keystrokes to it and |
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214 inspects the resulting screen state. |
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215 |
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216 Functions ~ |
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217 |
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218 term_sendkeys() send keystrokes to a terminal |
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219 term_wait() wait for screen to be updated |
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220 term_scrape() inspect terminal screen |
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221 |
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222 |
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223 ============================================================================== |
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224 3. Debugging *terminal-debug* |
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225 |
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226 The Terminal debugging plugin can be used to debug a program with gdb and view |
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227 the source code in a Vim window. For example: > |
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228 |
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229 :TermDebug vim |
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230 |
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231 This opens three windows: |
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232 - A terminal window in which "gdb vim" is executed. Here you can directly |
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233 interact with gdb. |
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234 - A terminal window for the executed program. When "run" is used in gdb the |
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235 program I/O will happen in this window, so that it does not interfere with |
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236 controlling gdb. |
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237 - A normal Vim window used to show the source code. When gdb jumps to a |
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238 source file location this window will display the code, if possible. Values |
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239 of variables can be inspected, breakpoints set and cleared, etc. |
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240 |
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241 This uses two terminal windows. To open the gdb window: > |
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242 :term gdb [arguments] |
11914 | 243 To open the terminal to run the tested program |term_start()| is used. |
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244 |
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245 TODO |
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246 |
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247 |
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248 vim:tw=78:ts=8:ft=help:norl: |