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vim-patch:9.1.0984: exception handling can be improved

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Problem:  exception handling can be improved
Solution: add v:stacktrace and getstacktrace()

closes: vim/vim#16360

663d18d610

Co-authored-by: ichizok <gclient.gaap@gmail.com>
Co-authored-by: Naruhiko Nishino <naru123456789@gmail.com>
This commit is contained in:
zeertzjq
2025-01-03 20:12:15 +08:00
parent 06ff5480ce
commit d5308637bf
15 changed files with 294 additions and 9 deletions
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107
test/old/testdir/test_stacktrace.vim Normal file
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" Test for getstacktrace() and v:stacktrace
let s:thisfile = expand('%:p')
let s:testdir = s:thisfile->fnamemodify(':h')
func Filepath(name)
return s:testdir .. '/' .. a:name
endfunc
func AssertStacktrace(expect, actual)
call assert_equal(#{lnum: 581, filepath: Filepath('runtest.vim')}, a:actual[0])
call assert_equal(a:expect, a:actual[-len(a:expect):])
endfunc
func Test_getstacktrace()
let g:stacktrace = []
let lines1 =<< trim [SCRIPT]
" Xscript1
source Xscript2
func Xfunc1()
" Xfunc1
call Xfunc2()
endfunc
[SCRIPT]
let lines2 =<< trim [SCRIPT]
" Xscript2
func Xfunc2()
" Xfunc2
let g:stacktrace = getstacktrace()
endfunc
[SCRIPT]
call writefile(lines1, 'Xscript1', 'D')
call writefile(lines2, 'Xscript2', 'D')
source Xscript1
call Xfunc1()
call AssertStacktrace([
\ #{funcref: funcref('Test_getstacktrace'), lnum: 35, filepath: s:thisfile},
\ #{funcref: funcref('Xfunc1'), lnum: 5, filepath: Filepath('Xscript1')},
\ #{funcref: funcref('Xfunc2'), lnum: 4, filepath: Filepath('Xscript2')},
\ ], g:stacktrace)
unlet g:stacktrace
endfunc
func Test_getstacktrace_event()
let g:stacktrace = []
let lines1 =<< trim [SCRIPT]
" Xscript1
func Xfunc()
" Xfunc
let g:stacktrace = getstacktrace()
endfunc
augroup test_stacktrace
autocmd SourcePre * call Xfunc()
augroup END
[SCRIPT]
let lines2 =<< trim [SCRIPT]
" Xscript2
[SCRIPT]
call writefile(lines1, 'Xscript1', 'D')
call writefile(lines2, 'Xscript2', 'D')
source Xscript1
source Xscript2
call AssertStacktrace([
\ #{funcref: funcref('Test_getstacktrace_event'), lnum: 62, filepath: s:thisfile},
\ #{event: 'SourcePre Autocommands for "*"', lnum: 7, filepath: Filepath('Xscript1')},
\ #{funcref: funcref('Xfunc'), lnum: 4, filepath: Filepath('Xscript1')},
\ ], g:stacktrace)
augroup test_stacktrace
autocmd!
augroup END
unlet g:stacktrace
endfunc
func Test_vstacktrace()
let lines1 =<< trim [SCRIPT]
" Xscript1
source Xscript2
func Xfunc1()
" Xfunc1
call Xfunc2()
endfunc
[SCRIPT]
let lines2 =<< trim [SCRIPT]
" Xscript2
func Xfunc2()
" Xfunc2
throw 'Exception from Xfunc2'
endfunc
[SCRIPT]
call writefile(lines1, 'Xscript1', 'D')
call writefile(lines2, 'Xscript2', 'D')
source Xscript1
call assert_equal([], v:stacktrace)
try
call Xfunc1()
catch
let stacktrace = v:stacktrace
endtry
call assert_equal([], v:stacktrace)
call AssertStacktrace([
\ #{funcref: funcref('Test_vstacktrace'), lnum: 95, filepath: s:thisfile},
\ #{funcref: funcref('Xfunc1'), lnum: 5, filepath: Filepath('Xscript1')},
\ #{funcref: funcref('Xfunc2'), lnum: 4, filepath: Filepath('Xscript2')},
\ ], stacktrace)
endfunc
" vim: shiftwidth=2 sts=2 expandtab