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| author | Jan Edmund Lazo <jan.lazo@mail.utoronto.ca> | 2021-04-14 17:37:38 -0400 |
|---|---|---|
| committer | Jan Edmund Lazo <jan.lazo@mail.utoronto.ca> | 2021-04-15 18:30:03 -0400 |
| commit | b34dc4c458dbec6982c70eed71f0a83c745e46c5 (patch) | |
| tree | 561d4f50ff4ba22194639ab4b096ac4700432a9e | |
| parent | b8c0fac762f4b03f0438d3888ccf3f200648b882 (diff) | |
| download | rneovim-b34dc4c458dbec6982c70eed71f0a83c745e46c5.tar.gz rneovim-b34dc4c458dbec6982c70eed71f0a83c745e46c5.tar.bz2 rneovim-b34dc4c458dbec6982c70eed71f0a83c745e46c5.zip | |
ex_cmds: port :eval
Cherry-picked from patch v8.1.1807.
Required for patch v8.2.2761.
| -rw-r--r-- | runtime/doc/eval.txt | 16 | ||||
| -rw-r--r-- | src/nvim/ex_cmds.lua | 6 | ||||
| -rw-r--r-- | src/nvim/ex_eval.c | 9 |
3 files changed, 31 insertions, 0 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index c3736d9a3e..cc84bb6c97 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -10099,6 +10099,8 @@ This function can then be called with: > The recursiveness of user functions is restricted with the |'maxfuncdepth'| option. +It is also possible to use `:eval`. It does not support a range. + AUTOMATICALLY LOADING FUNCTIONS ~ *autoload-functions* @@ -10532,6 +10534,20 @@ text... Unlock the internal variable {name}. Does the opposite of |:lockvar|. + *:eval* +:eval {expr} Evaluate {expr} and discard the result. Example: > + :eval append(Filter(Getlist()), '$') + +< The expression is supposed to have a side effect, + since the resulting value is not used. In the example + the `append()` call appends the List with text to the + buffer. This is similar to `:call` but works with any + expression. + + The command can be shortened to `:ev` or `:eva`, but + these are hard to recognize and therefore not to be + used. + :if {expr1} *:if* *:end* *:endif* *:en* *E171* *E579* *E580* :en[dif] Execute the commands until the next matching ":else" diff --git a/src/nvim/ex_cmds.lua b/src/nvim/ex_cmds.lua index 2965ea7496..d99383303b 100644 --- a/src/nvim/ex_cmds.lua +++ b/src/nvim/ex_cmds.lua @@ -928,6 +928,12 @@ module.cmds = { func='ex_edit', }, { + command='eval', + flags=bit.bor(EXTRA, NOTRLCOM, SBOXOK, CMDWIN), + addr_type='ADDR_NONE', + func='ex_eval', + }, + { command='ex', flags=bit.bor(BANG, FILE1, CMDARG, ARGOPT, TRLBAR), addr_type='ADDR_NONE', diff --git a/src/nvim/ex_eval.c b/src/nvim/ex_eval.c index 0917c6dd02..5ca88002f1 100644 --- a/src/nvim/ex_eval.c +++ b/src/nvim/ex_eval.c @@ -788,6 +788,15 @@ void report_discard_pending(int pending, void *value) } } +// ":eval". +void ex_eval(exarg_T *eap) +{ + typval_T tv; + + if (eval0(eap->arg, &tv, &eap->nextcmd, !eap->skip) == OK) { + tv_clear(&tv); + } +} /* * ":if". |