1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
" Test 'tagfunc'
source vim9.vim
func TagFunc(pat, flag, info)
let g:tagfunc_args = [a:pat, a:flag, a:info]
let tags = []
for num in range(1,10)
let tags += [{
\ 'cmd': '2', 'name': 'nothing'.num, 'kind': 'm',
\ 'filename': 'Xfile1', 'user_data': 'somedata'.num,
\}]
endfor
return tags
endfunc
func Test_tagfunc()
set tagfunc=TagFunc
new Xfile1
call setline(1, ['empty', 'one()', 'empty'])
write
call assert_equal({'cmd': '2', 'static': 0,
\ 'name': 'nothing2', 'user_data': 'somedata2',
\ 'kind': 'm', 'filename': 'Xfile1'}, taglist('.')[1])
call settagstack(win_getid(), {'items': []})
tag arbitrary
call assert_equal('arbitrary', g:tagfunc_args[0])
call assert_equal('', g:tagfunc_args[1])
call assert_equal('somedata1', gettagstack().items[0].user_data)
5tag arbitrary
call assert_equal('arbitrary', g:tagfunc_args[0])
call assert_equal('', g:tagfunc_args[1])
call assert_equal('somedata5', gettagstack().items[1].user_data)
pop
tag
call assert_equal('arbitrary', g:tagfunc_args[0])
call assert_equal('', g:tagfunc_args[1])
call assert_equal('somedata5', gettagstack().items[1].user_data)
let g:tagfunc_args=[]
execute "normal! \<c-]>"
call assert_equal('one', g:tagfunc_args[0])
call assert_equal('c', g:tagfunc_args[1])
let g:tagfunc_args=[]
execute "tag /foo$"
call assert_equal('foo$', g:tagfunc_args[0])
call assert_equal('r', g:tagfunc_args[1])
set cpt=t
let g:tagfunc_args=[]
execute "normal! i\<c-n>\<c-y>"
call assert_equal('\<\k\k', g:tagfunc_args[0])
call assert_equal('cir', g:tagfunc_args[1])
call assert_equal('nothing1', getline('.')[0:7])
let g:tagfunc_args=[]
execute "normal! ono\<c-n>\<c-n>\<c-y>"
call assert_equal('\<no', g:tagfunc_args[0])
call assert_equal('cir', g:tagfunc_args[1])
call assert_equal('nothing2', getline('.')[0:7])
func BadTagFunc1(...)
return 0
endfunc
func BadTagFunc2(...)
return [1]
endfunc
func BadTagFunc3(...)
return [{'name': 'foo'}]
endfunc
for &tagfunc in ['BadTagFunc1', 'BadTagFunc2', 'BadTagFunc3']
try
tag nothing
call assert_false(1, 'tag command should have failed')
catch
call assert_exception('E987:')
endtry
exe 'delf' &tagfunc
endfor
func NullTagFunc(...)
return v:null
endfunc
set tags= tfu=NullTagFunc
call assert_fails('tag nothing', 'E433:')
delf NullTagFunc
bwipe!
set tags& tfu& cpt&
call delete('Xfile1')
endfunc
" Test for modifying the tag stack from a tag function and jumping to a tag
" from a tag function
func Test_tagfunc_settagstack()
func Mytagfunc1(pat, flags, info)
call settagstack(1, {'tagname' : 'mytag', 'from' : [0, 10, 1, 0]})
return [{'name' : 'mytag', 'filename' : 'Xtest', 'cmd' : '1'}]
endfunc
set tagfunc=Mytagfunc1
call writefile([''], 'Xtest')
call assert_fails('tag xyz', 'E986:')
func Mytagfunc2(pat, flags, info)
tag test_tag
return [{'name' : 'mytag', 'filename' : 'Xtest', 'cmd' : '1'}]
endfunc
set tagfunc=Mytagfunc2
call assert_fails('tag xyz', 'E986:')
call delete('Xtest')
set tagfunc&
delfunc Mytagfunc1
delfunc Mytagfunc2
endfunc
" Test for different ways of setting the 'tagfunc' option
func Test_tagfunc_callback()
" Test for using a function()
func MytagFunc1(pat, flags, info)
let g:MytagFunc1_args = [a:pat, a:flags, a:info]
return v:null
endfunc
set tagfunc=function('MytagFunc1')
new | only
let g:MytagFunc1_args = []
call assert_fails('tag a11', 'E433:')
call assert_equal(['a11', '', {}], g:MytagFunc1_args)
" Using a funcref variable to set 'tagfunc'
let Fn = function('MytagFunc1')
let &tagfunc = string(Fn)
new | only
let g:MytagFunc1_args = []
call assert_fails('tag a12', 'E433:')
call assert_equal(['a12', '', {}], g:MytagFunc1_args)
call assert_fails('let &tagfunc = Fn', 'E729:')
" Test for using a funcref()
func MytagFunc2(pat, flags, info)
let g:MytagFunc2_args = [a:pat, a:flags, a:info]
return v:null
endfunc
set tagfunc=funcref('MytagFunc2')
new | only
let g:MytagFunc2_args = []
call assert_fails('tag a13', 'E433:')
call assert_equal(['a13', '', {}], g:MytagFunc2_args)
" Using a funcref variable to set 'tagfunc'
let Fn = funcref('MytagFunc2')
let &tagfunc = string(Fn)
new | only
let g:MytagFunc2_args = []
call assert_fails('tag a14', 'E433:')
call assert_equal(['a14', '', {}], g:MytagFunc2_args)
call assert_fails('let &tagfunc = Fn', 'E729:')
" Test for using a lambda function
func MytagFunc3(pat, flags, info)
let g:MytagFunc3_args = [a:pat, a:flags, a:info]
return v:null
endfunc
set tagfunc={a,\ b,\ c\ ->\ MytagFunc3(a,\ b,\ c)}
new | only
let g:MytagFunc3_args = []
call assert_fails('tag a15', 'E433:')
call assert_equal(['a15', '', {}], g:MytagFunc3_args)
" Set 'tagfunc' to a lambda expression
let &tagfunc = '{a, b, c -> MytagFunc3(a, b, c)}'
new | only
let g:MytagFunc3_args = []
call assert_fails('tag a16', 'E433:')
call assert_equal(['a16', '', {}], g:MytagFunc3_args)
" Set 'tagfunc' to a variable with a lambda expression
let Lambda = {a, b, c -> MytagFunc3(a, b, c)}
let &tagfunc = string(Lambda)
new | only
let g:MytagFunc3_args = []
call assert_fails("tag a17", "E433:")
call assert_equal(['a17', '', {}], g:MytagFunc3_args)
call assert_fails('let &tagfunc = Lambda', 'E729:')
" Test for using a lambda function with incorrect return value
let Lambda = {s -> strlen(s)}
let &tagfunc = string(Lambda)
new | only
call assert_fails("tag a17", "E987:")
" Test for clearing the 'tagfunc' option
set tagfunc=''
set tagfunc&
call assert_fails("set tagfunc=function('abc')", "E700:")
call assert_fails("set tagfunc=funcref('abc')", "E700:")
let &tagfunc = "{a -> 'abc'}"
call assert_fails("echo taglist('a')", "E987:")
" Vim9 tests
let lines =<< trim END
vim9script
# Test for using function()
def MytagFunc1(pat: string, flags: string, info: dict<any>): any
g:MytagFunc1_args = [pat, flags, info]
return null
enddef
set tagfunc=function('MytagFunc1')
new | only
g:MytagFunc1_args = []
assert_fails('tag a10', 'E433:')
assert_equal(['a10', '', {}], g:MytagFunc1_args)
# Test for using a lambda
def MytagFunc2(pat: string, flags: string, info: dict<any>): any
g:MytagFunc2_args = [pat, flags, info]
return null
enddef
&tagfunc = '(a, b, c) => MytagFunc2(a, b, c)'
new | only
g:MytagFunc2_args = []
assert_fails('tag a20', 'E433:')
assert_equal(['a20', '', {}], g:MytagFunc2_args)
# Test for using a variable with a lambda expression
var Fn: func = (a, b, c) => MytagFunc2(a, b, c)
&tagfunc = string(Fn)
new | only
g:MytagFunc2_args = []
assert_fails('tag a30', 'E433:')
assert_equal(['a30', '', {}], g:MytagFunc2_args)
END
call CheckScriptSuccess(lines)
" Using Vim9 lambda expression in legacy context should fail
set tagfunc=(a,\ b,\ c)\ =>\ g:MytagFunc2(a,\ b,\ c)
new | only
let g:MytagFunc3_args = []
call assert_fails("tag a17", "E117:")
call assert_equal([], g:MytagFunc3_args)
" cleanup
delfunc MytagFunc1
delfunc MytagFunc2
delfunc MytagFunc3
set tagfunc&
%bw!
endfunc
" vim: shiftwidth=2 sts=2 expandtab
|
