diff options
| -rw-r--r-- | runtime/doc/eval.txt | 9 | ||||
| -rw-r--r-- | runtime/doc/usr_41.txt | 1 | ||||
| -rw-r--r-- | src/nvim/eval.lua | 1 | ||||
| -rw-r--r-- | src/nvim/eval/funcs.c | 25 | ||||
| -rw-r--r-- | test/functional/legacy/expand_spec.lua | 39 |
5 files changed, 75 insertions, 0 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index ce0218f1dd..c687d15689 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -2110,6 +2110,7 @@ extend({expr1}, {expr2} [, {expr3}]) exp({expr}) Float exponential of {expr} expand({expr} [, {nosuf} [, {list}]]) any expand special keywords in {expr} +expandcmd({expr}) String expand {expr} like with `:edit` feedkeys({string} [, {mode}]) Number add key sequence to typeahead buffer filereadable({file}) Number |TRUE| if {file} is a readable file filewritable({file}) Number |TRUE| if {file} is a writable file @@ -3733,6 +3734,14 @@ expand({expr} [, {nosuf} [, {list}]]) *expand()* See |glob()| for finding existing files. See |system()| for getting the raw output of an external command. +expandcmd({expr}) *expandcmd()* + Expand special items in {expr} like what is done for an Ex + command such as `:edit`. This expands special keywords, like + with |expand()|, and environment variables, anywhere in + {expr}. Returns the expanded string. + Example: > + :echo expandcmd('make %<.o') +< extend({expr1}, {expr2} [, {expr3}]) *extend()* {expr1} and {expr2} must be both |Lists| or both |Dictionaries|. diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt index 5f9253cbd0..234f7801ab 100644 --- a/runtime/doc/usr_41.txt +++ b/runtime/doc/usr_41.txt @@ -609,6 +609,7 @@ String manipulation: *string-functions* strcharpart() get part of a string using char index strgetchar() get character from a string using char index expand() expand special keywords + expandcmd() expand a command like done for `:edit` iconv() convert text from one encoding to another byteidx() byte index of a character in a string byteidxcomp() like byteidx() but count composing characters diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua index 4654f8cef6..d3e769a7ef 100644 --- a/src/nvim/eval.lua +++ b/src/nvim/eval.lua @@ -102,6 +102,7 @@ return { exists={args=1}, exp={args=1, func="float_op_wrapper", data="&exp"}, expand={args={1, 3}}, + expandcmd={args=1}, extend={args={2, 3}}, feedkeys={args={1, 2}}, file_readable={args=1, func='f_filereadable'}, -- obsolete diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c index be8e35b1de..c89c72c3de 100644 --- a/src/nvim/eval/funcs.c +++ b/src/nvim/eval/funcs.c @@ -2103,6 +2103,31 @@ static void f_menu_get(typval_T *argvars, typval_T *rettv, FunPtr fptr) menu_get((char_u *)tv_get_string(&argvars[0]), modes, rettv->vval.v_list); } +// "expandcmd()" function +// Expand all the special characters in a command string. +static void f_expandcmd(typval_T *argvars, typval_T *rettv, FunPtr fptr) +{ + char_u *errormsg = NULL; + + rettv->v_type = VAR_STRING; + char_u *cmdstr = (char_u *)xstrdup(tv_get_string(&argvars[0])); + + exarg_T eap = { + .cmd = cmdstr, + .arg = cmdstr, + .usefilter = false, + .nextcmd = NULL, + .cmdidx = CMD_USER, + }; + eap.argt |= NOSPC; + + expand_filename(&eap, &cmdstr, &errormsg); + if (errormsg != NULL && *errormsg != NUL) { + EMSG(errormsg); + } + rettv->vval.v_string = cmdstr; +} + /* * "extend(list, list [, idx])" function * "extend(dict, dict [, action])" function diff --git a/test/functional/legacy/expand_spec.lua b/test/functional/legacy/expand_spec.lua index 1b735080f4..f238128b31 100644 --- a/test/functional/legacy/expand_spec.lua +++ b/test/functional/legacy/expand_spec.lua @@ -70,6 +70,40 @@ describe('expand file name', function() call assert_match('\~', expand('%:p')) bwipe! endfunc + + func Test_expandcmd() + let $FOO = 'Test' + call assert_equal('e x/Test/y', expandcmd('e x/$FOO/y')) + unlet $FOO + + new + edit Xfile1 + call assert_equal('e Xfile1', expandcmd('e %')) + edit Xfile2 + edit Xfile1 + call assert_equal('e Xfile2', expandcmd('e #')) + edit Xfile2 + edit Xfile3 + edit Xfile4 + let bnum = bufnr('Xfile2') + call assert_equal('e Xfile2', expandcmd('e #' . bnum)) + call setline('.', 'Vim!@#') + call assert_equal('e Vim', expandcmd('e <cword>')) + call assert_equal('e Vim!@#', expandcmd('e <cWORD>')) + enew! + edit Xfile.java + call assert_equal('e Xfile.py', expandcmd('e %:r.py')) + call assert_equal('make abc.java', expandcmd('make abc.%:e')) + call assert_equal('make Xabc.java', expandcmd('make %:s?file?abc?')) + edit a1a2a3.rb + call assert_equal('make b1b2b3.rb a1a2a3 Xfile.o', expandcmd('make %:gs?a?b? %< #<.o')) + + call assert_fails('call expandcmd("make <afile>")', 'E495:') + call assert_fails('call expandcmd("make <afile>")', 'E495:') + enew + call assert_fails('call expandcmd("make %")', 'E499:') + close + endfunc ]]) end) @@ -87,4 +121,9 @@ describe('expand file name', function() call('Test_expand_tilde_filename') expected_empty() end) + + it('works with expandcmd()', function() + call('Test_expandcmd') + expected_empty() + end) end) |