mirror of
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b99f13385c
Problem: Vim9: Cannot use "fina" for "finally". (Naruhiko Nishino)
Solution: Specifically check for "fina". (closes vim/vim#7020)
373863ed48
:final is N/A.
Co-authored-by: Bram Moolenaar <Bram@vim.org>
2390 lines
52 KiB
VimL
2390 lines
52 KiB
VimL
" Test try-catch-finally exception handling
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" Most of this was formerly in test49.
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source check.vim
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source shared.vim
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source vim9.vim
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"-------------------------------------------------------------------------------
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" Test environment {{{1
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"-------------------------------------------------------------------------------
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com! XpathINIT let g:Xpath = ''
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com! -nargs=1 -bar Xpath let g:Xpath = g:Xpath . <args>
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" Test 25: Executing :finally clauses on normal control flow {{{1
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"
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" Control flow in a :try conditional should always fall through to its
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" :finally clause. A :finally clause of a :try conditional inside an
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" inactive conditional should never be executed.
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"-------------------------------------------------------------------------------
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func T25_F()
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let loops = 3
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while loops > 0
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Xpath 'a' . loops
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if loops >= 2
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try
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Xpath 'b' . loops
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if loops == 2
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try
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Xpath 'c' . loops
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finally
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Xpath 'd' . loops
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endtry
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endif
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finally
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Xpath 'e' . loops
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if loops == 2
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try
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Xpath 'f' . loops
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final
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Xpath 'g' . loops
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endtry
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endif
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endtry
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endif
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Xpath 'h' . loops
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let loops = loops - 1
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endwhile
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Xpath 'i'
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endfunc
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" Also try using "fina" and "final" and "finall" as abbraviations.
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func T25_G()
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if 1
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try
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Xpath 'A'
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call T25_F()
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Xpath 'B'
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fina
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Xpath 'C'
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endtry
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else
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try
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Xpath 'D'
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finall
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Xpath 'E'
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endtry
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endif
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endfunc
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func Test_finally()
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XpathINIT
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call T25_G()
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call assert_equal('Aa3b3e3h3a2b2c2d2e2f2g2h2a1h1iBC', g:Xpath)
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endfunc
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"-------------------------------------------------------------------------------
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" Test 26: Executing :finally clauses after :continue or :break {{{1
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"
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" For a :continue or :break dynamically enclosed in a :try/:endtry
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" region inside the next surrounding :while/:endwhile, if the
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" :continue/:break is before the :finally, the :finally clause is
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" executed first. If the :continue/:break is after the :finally, the
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" :finally clause is broken (like an :if/:endif region).
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"-------------------------------------------------------------------------------
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func T26_F()
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try
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let loops = 3
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while loops > 0
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try
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try
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if loops == 2
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Xpath 'a' . loops
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let loops = loops - 1
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continue
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elseif loops == 1
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Xpath 'b' . loops
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break
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finish
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endif
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Xpath 'c' . loops
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endtry
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finally
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Xpath 'd' . loops
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endtry
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Xpath 'e' . loops
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let loops = loops - 1
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endwhile
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Xpath 'f'
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finally
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Xpath 'g'
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let loops = 3
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while loops > 0
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try
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finally
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try
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if loops == 2
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Xpath 'h' . loops
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let loops = loops - 1
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continue
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elseif loops == 1
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Xpath 'i' . loops
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break
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finish
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endif
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endtry
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Xpath 'j' . loops
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endtry
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Xpath 'k' . loops
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let loops = loops - 1
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endwhile
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Xpath 'l'
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endtry
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Xpath 'm'
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endfunc
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func Test_finally_after_continue()
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XpathINIT
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call T26_F()
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call assert_equal('c3d3e3a2d1b1d1fgj3k3h2i1lm', g:Xpath)
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endfunc
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"-------------------------------------------------------------------------------
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" Test 32: Remembering the :return value on :finally {{{1
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"
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" If a :finally clause is executed due to a :return specifying
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" a value, this is the value visible to the caller if not overwritten
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" by a new :return in the :finally clause. A :return without a value
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" in the :finally clause overwrites with value 0.
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"-------------------------------------------------------------------------------
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func T32_F()
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try
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Xpath 'a'
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try
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Xpath 'b'
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return "ABCD"
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Xpath 'c'
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finally
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Xpath 'd'
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endtry
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Xpath 'e'
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finally
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Xpath 'f'
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endtry
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Xpath 'g'
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endfunc
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func T32_G()
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try
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Xpath 'h'
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return 8
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Xpath 'i'
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finally
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Xpath 'j'
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return 16 + strlen(T32_F())
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Xpath 'k'
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endtry
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Xpath 'l'
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endfunc
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func T32_H()
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try
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Xpath 'm'
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return 32
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Xpath 'n'
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finally
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Xpath 'o'
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return
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Xpath 'p'
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endtry
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Xpath 'q'
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endfunc
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func T32_I()
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try
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Xpath 'r'
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finally
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Xpath 's'
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return T32_G() + T32_H() + 64
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Xpath 't'
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endtry
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Xpath 'u'
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endfunc
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func Test_finally_return()
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XpathINIT
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call assert_equal(84, T32_I())
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call assert_equal('rshjabdfmo', g:Xpath)
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endfunc
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"-------------------------------------------------------------------------------
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" Test 33: :return under :execute or user command and :finally {{{1
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"
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" A :return command may be executed under an ":execute" or from
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" a user command. Executing of :finally clauses and passing through
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" the return code works also then.
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"-------------------------------------------------------------------------------
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func T33_F()
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try
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RETURN 10
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Xpath 'a'
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finally
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Xpath 'b'
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endtry
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Xpath 'c'
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endfunc
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func T33_G()
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try
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RETURN 20
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Xpath 'd'
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finally
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Xpath 'e'
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RETURN 30
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Xpath 'f'
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endtry
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Xpath 'g'
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endfunc
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func T33_H()
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try
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execute "try | return 40 | finally | return 50 | endtry"
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Xpath 'h'
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finally
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Xpath 'i'
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endtry
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Xpath 'j'
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endfunc
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func T33_I()
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try
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execute "try | return 60 | finally | return 70 | endtry"
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Xpath 'k'
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finally
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Xpath 'l'
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execute "try | return 80 | finally | return 90 | endtry"
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Xpath 'm'
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endtry
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Xpath 'n'
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endfunc
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func T33_J()
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try
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RETURN 100
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Xpath 'o'
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finally
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Xpath 'p'
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return
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Xpath 'q'
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endtry
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Xpath 'r'
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endfunc
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func T33_K()
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try
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execute "try | return 110 | finally | return 120 | endtry"
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Xpath 's'
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finally
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Xpath 't'
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execute "try | return 130 | finally | return | endtry"
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Xpath 'u'
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endtry
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Xpath 'v'
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endfunc
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func T33_L()
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try
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return
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Xpath 'w'
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finally
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Xpath 'x'
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RETURN 140
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Xpath 'y'
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endtry
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Xpath 'z'
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endfunc
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func T33_M()
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try
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return
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Xpath 'A'
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finally
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Xpath 'B'
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execute "try | return 150 | finally | return 160 | endtry"
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Xpath 'C'
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endtry
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Xpath 'D'
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endfunc
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func T33_N()
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RETURN 170
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endfunc
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func T33_O()
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execute "try | return 180 | finally | return 190 | endtry"
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endfunc
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func Test_finally_cmd_return()
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command! -nargs=? RETURN
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\ try | return <args> | finally | return <args> * 2 | endtry
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XpathINIT
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call assert_equal(20, T33_F())
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call assert_equal(60, T33_G())
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call assert_equal(50, T33_H())
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call assert_equal(90, T33_I())
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call assert_equal(0, T33_J())
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call assert_equal(0, T33_K())
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call assert_equal(280, T33_L())
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call assert_equal(160, T33_M())
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call assert_equal(340, T33_N())
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call assert_equal(190, T33_O())
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call assert_equal('beilptxB', g:Xpath)
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delcommand RETURN
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endfunc
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"-------------------------------------------------------------------------------
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" Test 41: Skipped :throw finding next command {{{1
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"
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" A :throw in an inactive conditional must not hide a following
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" command.
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"-------------------------------------------------------------------------------
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func T41_F()
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Xpath 'a'
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if 0 | throw 'never' | endif | Xpath 'b'
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Xpath 'c'
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endfunc
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func T41_G()
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Xpath 'd'
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while 0 | throw 'never' | endwhile | Xpath 'e'
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Xpath 'f'
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endfunc
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func T41_H()
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Xpath 'g'
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if 0 | try | throw 'never' | endtry | endif | Xpath 'h'
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Xpath 'i'
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endfunc
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func Test_throw_inactive_cond()
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XpathINIT
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try
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Xpath 'j'
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call T41_F()
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Xpath 'k'
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catch /.*/
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Xpath 'l'
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call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
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endtry
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try
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Xpath 'm'
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call T41_G()
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Xpath 'n'
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catch /.*/
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Xpath 'o'
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call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
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endtry
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try
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Xpath 'p'
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call T41_H()
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Xpath 'q'
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catch /.*/
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Xpath 'r'
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call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
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endtry
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call assert_equal('jabckmdefnpghiq', g:Xpath)
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endfunc
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"-------------------------------------------------------------------------------
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" Test 42: Catching number and string exceptions {{{1
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"
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" When a number is thrown, it is converted to a string exception.
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" Numbers and strings may be caught by specifying a regular exception
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" as argument to the :catch command.
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"-------------------------------------------------------------------------------
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func T42_F()
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try
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try
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Xpath 'a'
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throw 4711
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Xpath 'b'
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catch /4711/
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Xpath 'c'
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endtry
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try
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Xpath 'd'
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throw 4711
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Xpath 'e'
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catch /^4711$/
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Xpath 'f'
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endtry
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try
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Xpath 'g'
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throw 4711
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Xpath 'h'
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catch /\d/
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Xpath 'i'
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endtry
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try
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Xpath 'j'
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throw 4711
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Xpath 'k'
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catch /^\d\+$/
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Xpath 'l'
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endtry
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try
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Xpath 'm'
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throw "arrgh"
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Xpath 'n'
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catch /arrgh/
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Xpath 'o'
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endtry
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try
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Xpath 'p'
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throw "arrgh"
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Xpath 'q'
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catch /^arrgh$/
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Xpath 'r'
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endtry
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try
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Xpath 's'
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throw "arrgh"
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Xpath 't'
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catch /\l/
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Xpath 'u'
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endtry
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try
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Xpath 'v'
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throw "arrgh"
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Xpath 'w'
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catch /^\l\+$/
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Xpath 'x'
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endtry
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try
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try
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Xpath 'y'
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throw "ARRGH"
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Xpath 'z'
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catch /^arrgh$/
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Xpath 'A'
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endtry
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catch /^\carrgh$/
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Xpath 'B'
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endtry
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try
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Xpath 'C'
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throw ""
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Xpath 'D'
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catch /^$/
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Xpath 'E'
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endtry
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catch /.*/
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Xpath 'F'
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call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
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endtry
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endfunc
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func Test_catch_number_string()
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XpathINIT
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call T42_F()
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call assert_equal('acdfgijlmoprsuvxyBCE', g:Xpath)
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endfunc
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"-------------------------------------------------------------------------------
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" Test 43: Selecting the correct :catch clause {{{1
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"
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" When an exception is thrown and there are multiple :catch clauses,
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" the first matching one is taken.
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"-------------------------------------------------------------------------------
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func T43_F()
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let loops = 3
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while loops > 0
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try
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if loops == 3
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Xpath 'a' . loops
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throw "a"
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Xpath 'b' . loops
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elseif loops == 2
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Xpath 'c' . loops
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throw "ab"
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Xpath 'd' . loops
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elseif loops == 1
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Xpath 'e' . loops
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throw "abc"
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Xpath 'f' . loops
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endif
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catch /abc/
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Xpath 'g' . loops
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catch /ab/
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Xpath 'h' . loops
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catch /.*/
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Xpath 'i' . loops
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catch /a/
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Xpath 'j' . loops
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endtry
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let loops = loops - 1
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endwhile
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Xpath 'k'
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endfunc
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|
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func Test_multi_catch()
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XpathINIT
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call T43_F()
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call assert_equal('a3i3c2h2e1g1k', g:Xpath)
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endfunc
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|
|
|
|
|
"-------------------------------------------------------------------------------
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" Test 44: Missing or empty :catch patterns {{{1
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"
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" A missing or empty :catch pattern means the same as /.*/, that is,
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" catches everything. To catch only empty exceptions, /^$/ must be
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" used. A :catch with missing, empty, or /.*/ argument also works
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" when followed by another command separated by a bar on the same
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" line. :catch patterns cannot be specified between ||. But other
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" pattern separators can be used instead of //.
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"-------------------------------------------------------------------------------
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func T44_F()
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try
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try
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Xpath 'a'
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throw ""
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catch /^$/
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Xpath 'b'
|
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endtry
|
|
|
|
try
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Xpath 'c'
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throw ""
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catch /.*/
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Xpath 'd'
|
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endtry
|
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|
|
try
|
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Xpath 'e'
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throw ""
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catch //
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Xpath 'f'
|
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endtry
|
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|
|
try
|
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Xpath 'g'
|
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throw ""
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catch
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Xpath 'h'
|
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endtry
|
|
|
|
try
|
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Xpath 'i'
|
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throw "oops"
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catch /^$/
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Xpath 'j'
|
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catch /.*/
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Xpath 'k'
|
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endtry
|
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|
|
try
|
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Xpath 'l'
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throw "arrgh"
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catch /^$/
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Xpath 'm'
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catch //
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Xpath 'n'
|
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endtry
|
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|
|
try
|
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Xpath 'o'
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throw "brrr"
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catch /^$/
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Xpath 'p'
|
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catch
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Xpath 'q'
|
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endtry
|
|
|
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try | Xpath 'r' | throw "x" | catch /.*/ | Xpath 's' | endtry
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|
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try | Xpath 't' | throw "y" | catch // | Xpath 'u' | endtry
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|
|
while 1
|
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try
|
|
let caught = 0
|
|
let v:errmsg = ""
|
|
" Extra try level: if ":catch" without arguments below raises
|
|
" a syntax error because it misinterprets the "Xpath" as a pattern,
|
|
" let it be caught by the ":catch /.*/" below.
|
|
try
|
|
try | Xpath 'v' | throw "z" | catch | Xpath 'w' | :
|
|
endtry
|
|
endtry
|
|
catch /.*/
|
|
let caught = 1
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
finally
|
|
if $VIMNOERRTHROW && v:errmsg != ""
|
|
call assert_report(v:errmsg)
|
|
endif
|
|
if caught || $VIMNOERRTHROW && v:errmsg != ""
|
|
Xpath 'x'
|
|
endif
|
|
break " discard error for $VIMNOERRTHROW
|
|
endtry
|
|
endwhile
|
|
|
|
let cologne = 4711
|
|
try
|
|
try
|
|
Xpath 'y'
|
|
throw "throw cologne"
|
|
" Next lines catches all and throws 4711:
|
|
catch |throw cologne|
|
|
Xpath 'z'
|
|
endtry
|
|
catch /4711/
|
|
Xpath 'A'
|
|
endtry
|
|
|
|
try
|
|
Xpath 'B'
|
|
throw "plus"
|
|
catch +plus+
|
|
Xpath 'C'
|
|
endtry
|
|
|
|
Xpath 'D'
|
|
catch /.*/
|
|
Xpath 'E'
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
endfunc
|
|
|
|
func Test_empty_catch()
|
|
XpathINIT
|
|
call T44_F()
|
|
call assert_equal('abcdefghiklnoqrstuvwyABCD', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 45: Catching exceptions from nested :try blocks {{{1
|
|
"
|
|
" When :try blocks are nested, an exception is caught by the innermost
|
|
" try conditional that has a matching :catch clause.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
func T45_F()
|
|
let loops = 3
|
|
while loops > 0
|
|
try
|
|
try
|
|
try
|
|
try
|
|
if loops == 3
|
|
Xpath 'a' . loops
|
|
throw "a"
|
|
Xpath 'b' . loops
|
|
elseif loops == 2
|
|
Xpath 'c' . loops
|
|
throw "ab"
|
|
Xpath 'd' . loops
|
|
elseif loops == 1
|
|
Xpath 'e' . loops
|
|
throw "abc"
|
|
Xpath 'f' . loops
|
|
endif
|
|
catch /abc/
|
|
Xpath 'g' . loops
|
|
endtry
|
|
catch /ab/
|
|
Xpath 'h' . loops
|
|
endtry
|
|
catch /.*/
|
|
Xpath 'i' . loops
|
|
endtry
|
|
catch /a/
|
|
Xpath 'j' . loops
|
|
endtry
|
|
|
|
let loops = loops - 1
|
|
endwhile
|
|
Xpath 'k'
|
|
endfunc
|
|
|
|
func Test_catch_from_nested_try()
|
|
XpathINIT
|
|
call T45_F()
|
|
call assert_equal('a3i3c2h2e1g1k', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 46: Executing :finally after a :throw in nested :try {{{1
|
|
"
|
|
" When an exception is thrown from within nested :try blocks, the
|
|
" :finally clauses of the non-catching try conditionals should be
|
|
" executed before the matching :catch of the next surrounding :try
|
|
" gets the control. If this also has a :finally clause, it is
|
|
" executed afterwards.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
func T46_F()
|
|
let sum = 0
|
|
|
|
try
|
|
Xpath 'a'
|
|
try
|
|
Xpath 'b'
|
|
try
|
|
Xpath 'c'
|
|
try
|
|
Xpath 'd'
|
|
throw "ABC"
|
|
Xpath 'e'
|
|
catch /xyz/
|
|
Xpath 'f'
|
|
finally
|
|
Xpath 'g'
|
|
if sum != 0
|
|
Xpath 'h'
|
|
endif
|
|
let sum = sum + 1
|
|
endtry
|
|
Xpath 'i'
|
|
catch /123/
|
|
Xpath 'j'
|
|
catch /321/
|
|
Xpath 'k'
|
|
finally
|
|
Xpath 'l'
|
|
if sum != 1
|
|
Xpath 'm'
|
|
endif
|
|
let sum = sum + 2
|
|
endtry
|
|
Xpath 'n'
|
|
finally
|
|
Xpath 'o'
|
|
if sum != 3
|
|
Xpath 'p'
|
|
endif
|
|
let sum = sum + 4
|
|
endtry
|
|
Xpath 'q'
|
|
catch /ABC/
|
|
Xpath 'r'
|
|
if sum != 7
|
|
Xpath 's'
|
|
endif
|
|
let sum = sum + 8
|
|
finally
|
|
Xpath 't'
|
|
if sum != 15
|
|
Xpath 'u'
|
|
endif
|
|
let sum = sum + 16
|
|
endtry
|
|
Xpath 'v'
|
|
if sum != 31
|
|
Xpath 'w'
|
|
endif
|
|
endfunc
|
|
|
|
func Test_finally_after_throw()
|
|
XpathINIT
|
|
call T46_F()
|
|
call assert_equal('abcdglortv', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 47: Throwing exceptions from a :catch clause {{{1
|
|
"
|
|
" When an exception is thrown from a :catch clause, it should not be
|
|
" caught by a :catch of the same :try conditional. After executing
|
|
" the :finally clause (if present), surrounding try conditionals
|
|
" should be checked for a matching :catch.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
func T47_F()
|
|
Xpath 'a'
|
|
try
|
|
Xpath 'b'
|
|
try
|
|
Xpath 'c'
|
|
try
|
|
Xpath 'd'
|
|
throw "x1"
|
|
Xpath 'e'
|
|
catch /x1/
|
|
Xpath 'f'
|
|
try
|
|
Xpath 'g'
|
|
throw "x2"
|
|
Xpath 'h'
|
|
catch /x1/
|
|
Xpath 'i'
|
|
catch /x2/
|
|
Xpath 'j'
|
|
try
|
|
Xpath 'k'
|
|
throw "x3"
|
|
Xpath 'l'
|
|
catch /x1/
|
|
Xpath 'm'
|
|
catch /x2/
|
|
Xpath 'n'
|
|
finally
|
|
Xpath 'o'
|
|
endtry
|
|
Xpath 'p'
|
|
catch /x3/
|
|
Xpath 'q'
|
|
endtry
|
|
Xpath 'r'
|
|
catch /x1/
|
|
Xpath 's'
|
|
catch /x2/
|
|
Xpath 't'
|
|
catch /x3/
|
|
Xpath 'u'
|
|
finally
|
|
Xpath 'v'
|
|
endtry
|
|
Xpath 'w'
|
|
catch /x1/
|
|
Xpath 'x'
|
|
catch /x2/
|
|
Xpath 'y'
|
|
catch /x3/
|
|
Xpath 'z'
|
|
endtry
|
|
Xpath 'A'
|
|
catch /.*/
|
|
Xpath 'B'
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
Xpath 'C'
|
|
endfunc
|
|
|
|
func Test_throw_from_catch()
|
|
XpathINIT
|
|
call T47_F()
|
|
call assert_equal('abcdfgjkovzAC', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 48: Throwing exceptions from a :finally clause {{{1
|
|
"
|
|
" When an exception is thrown from a :finally clause, it should not be
|
|
" caught by a :catch of the same :try conditional. Surrounding try
|
|
" conditionals should be checked for a matching :catch. A previously
|
|
" thrown exception is discarded.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
func T48_F()
|
|
try
|
|
|
|
try
|
|
try
|
|
Xpath 'a'
|
|
catch /x1/
|
|
Xpath 'b'
|
|
finally
|
|
Xpath 'c'
|
|
throw "x1"
|
|
Xpath 'd'
|
|
endtry
|
|
Xpath 'e'
|
|
catch /x1/
|
|
Xpath 'f'
|
|
endtry
|
|
Xpath 'g'
|
|
|
|
try
|
|
try
|
|
Xpath 'h'
|
|
throw "x2"
|
|
Xpath 'i'
|
|
catch /x2/
|
|
Xpath 'j'
|
|
catch /x3/
|
|
Xpath 'k'
|
|
finally
|
|
Xpath 'l'
|
|
throw "x3"
|
|
Xpath 'm'
|
|
endtry
|
|
Xpath 'n'
|
|
catch /x2/
|
|
Xpath 'o'
|
|
catch /x3/
|
|
Xpath 'p'
|
|
endtry
|
|
Xpath 'q'
|
|
|
|
try
|
|
try
|
|
try
|
|
Xpath 'r'
|
|
throw "x4"
|
|
Xpath 's'
|
|
catch /x5/
|
|
Xpath 't'
|
|
finally
|
|
Xpath 'u'
|
|
throw "x5" " discards 'x4'
|
|
Xpath 'v'
|
|
endtry
|
|
Xpath 'w'
|
|
catch /x4/
|
|
Xpath 'x'
|
|
finally
|
|
Xpath 'y'
|
|
endtry
|
|
Xpath 'z'
|
|
catch /x5/
|
|
Xpath 'A'
|
|
endtry
|
|
Xpath 'B'
|
|
|
|
catch /.*/
|
|
Xpath 'C'
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
Xpath 'D'
|
|
endfunc
|
|
|
|
func Test_throw_from_finally()
|
|
XpathINIT
|
|
call T48_F()
|
|
call assert_equal('acfghjlpqruyABD', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 51: Throwing exceptions across :execute and user commands {{{1
|
|
"
|
|
" A :throw command may be executed under an ":execute" or from
|
|
" a user command.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
func T51_F()
|
|
command! -nargs=? THROW1 throw <args> | throw 1
|
|
command! -nargs=? THROW2 try | throw <args> | endtry | throw 2
|
|
command! -nargs=? THROW3 try | throw 3 | catch /3/ | throw <args> | endtry
|
|
command! -nargs=? THROW4 try | throw 4 | finally | throw <args> | endtry
|
|
|
|
try
|
|
|
|
try
|
|
try
|
|
Xpath 'a'
|
|
THROW1 "A"
|
|
catch /A/
|
|
Xpath 'b'
|
|
endtry
|
|
catch /1/
|
|
Xpath 'c'
|
|
endtry
|
|
|
|
try
|
|
try
|
|
Xpath 'd'
|
|
THROW2 "B"
|
|
catch /B/
|
|
Xpath 'e'
|
|
endtry
|
|
catch /2/
|
|
Xpath 'f'
|
|
endtry
|
|
|
|
try
|
|
try
|
|
Xpath 'g'
|
|
THROW3 "C"
|
|
catch /C/
|
|
Xpath 'h'
|
|
endtry
|
|
catch /3/
|
|
Xpath 'i'
|
|
endtry
|
|
|
|
try
|
|
try
|
|
Xpath 'j'
|
|
THROW4 "D"
|
|
catch /D/
|
|
Xpath 'k'
|
|
endtry
|
|
catch /4/
|
|
Xpath 'l'
|
|
endtry
|
|
|
|
try
|
|
try
|
|
Xpath 'm'
|
|
execute 'throw "E" | throw 5'
|
|
catch /E/
|
|
Xpath 'n'
|
|
endtry
|
|
catch /5/
|
|
Xpath 'o'
|
|
endtry
|
|
|
|
try
|
|
try
|
|
Xpath 'p'
|
|
execute 'try | throw "F" | endtry | throw 6'
|
|
catch /F/
|
|
Xpath 'q'
|
|
endtry
|
|
catch /6/
|
|
Xpath 'r'
|
|
endtry
|
|
|
|
try
|
|
try
|
|
Xpath 's'
|
|
execute'try | throw 7 | catch /7/ | throw "G" | endtry'
|
|
catch /G/
|
|
Xpath 't'
|
|
endtry
|
|
catch /7/
|
|
Xpath 'u'
|
|
endtry
|
|
|
|
try
|
|
try
|
|
Xpath 'v'
|
|
execute 'try | throw 8 | finally | throw "H" | endtry'
|
|
catch /H/
|
|
Xpath 'w'
|
|
endtry
|
|
catch /8/
|
|
Xpath 'x'
|
|
endtry
|
|
|
|
catch /.*/
|
|
Xpath 'y'
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
Xpath 'z'
|
|
|
|
delcommand THROW1
|
|
delcommand THROW2
|
|
delcommand THROW3
|
|
delcommand THROW4
|
|
endfunc
|
|
|
|
func Test_throw_across_commands()
|
|
XpathINIT
|
|
call T51_F()
|
|
call assert_equal('abdeghjkmnpqstvwz', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 69: :throw across :if, :elseif, :while {{{1
|
|
"
|
|
" On an :if, :elseif, or :while command, an exception might be thrown
|
|
" during evaluation of the expression to test. The exception can be
|
|
" caught by the script.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
func T69_throw(x)
|
|
Xpath 'x'
|
|
throw a:x
|
|
endfunc
|
|
|
|
func Test_throw_ifelsewhile()
|
|
XpathINIT
|
|
|
|
try
|
|
try
|
|
Xpath 'a'
|
|
if 111 == T69_throw("if") + 111
|
|
Xpath 'b'
|
|
else
|
|
Xpath 'c'
|
|
endif
|
|
Xpath 'd'
|
|
catch /^if$/
|
|
Xpath 'e'
|
|
catch /.*/
|
|
Xpath 'f'
|
|
call assert_report("if: " . v:exception . " in " . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'g'
|
|
if v:false
|
|
Xpath 'h'
|
|
elseif 222 == T69_throw("elseif") + 222
|
|
Xpath 'i'
|
|
else
|
|
Xpath 'j'
|
|
endif
|
|
Xpath 'k'
|
|
catch /^elseif$/
|
|
Xpath 'l'
|
|
catch /.*/
|
|
Xpath 'm'
|
|
call assert_report("elseif: " . v:exception . " in " . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'n'
|
|
while 333 == T69_throw("while") + 333
|
|
Xpath 'o'
|
|
break
|
|
endwhile
|
|
Xpath 'p'
|
|
catch /^while$/
|
|
Xpath 'q'
|
|
catch /.*/
|
|
Xpath 'r'
|
|
call assert_report("while: " .. v:exception .. " in " .. v:throwpoint)
|
|
endtry
|
|
catch /^0$/ " default return value
|
|
Xpath 's'
|
|
call assert_report(v:throwpoint)
|
|
catch /.*/
|
|
call assert_report(v:exception .. " in " .. v:throwpoint)
|
|
Xpath 't'
|
|
endtry
|
|
|
|
call assert_equal('axegxlnxq', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 70: :throw across :return or :throw {{{1
|
|
"
|
|
" On a :return or :throw command, an exception might be thrown during
|
|
" evaluation of the expression to return or throw, respectively. The
|
|
" exception can be caught by the script.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
let T70_taken = ""
|
|
|
|
func T70_throw(x, n)
|
|
let g:T70_taken = g:T70_taken . "T" . a:n
|
|
throw a:x
|
|
endfunc
|
|
|
|
func T70_F(x, y, n)
|
|
let g:T70_taken = g:T70_taken . "F" . a:n
|
|
return a:x + T70_throw(a:y, a:n)
|
|
endfunc
|
|
|
|
func T70_G(x, y, n)
|
|
let g:T70_taken = g:T70_taken . "G" . a:n
|
|
throw a:x . T70_throw(a:y, a:n)
|
|
return a:x
|
|
endfunc
|
|
|
|
func Test_throwreturn()
|
|
XpathINIT
|
|
|
|
try
|
|
try
|
|
Xpath 'a'
|
|
call T70_F(4711, "return", 1)
|
|
Xpath 'b'
|
|
catch /^return$/
|
|
Xpath 'c'
|
|
catch /.*/
|
|
Xpath 'd'
|
|
call assert_report("return: " .. v:exception .. " in " .. v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'e'
|
|
let var = T70_F(4712, "return-var", 2)
|
|
Xpath 'f'
|
|
catch /^return-var$/
|
|
Xpath 'g'
|
|
catch /.*/
|
|
Xpath 'h'
|
|
call assert_report("return-var: " . v:exception . " in " . v:throwpoint)
|
|
finally
|
|
unlet! var
|
|
endtry
|
|
|
|
try
|
|
Xpath 'i'
|
|
throw "except1" . T70_throw("throw1", 3)
|
|
Xpath 'j'
|
|
catch /^except1/
|
|
Xpath 'k'
|
|
catch /^throw1$/
|
|
Xpath 'l'
|
|
catch /.*/
|
|
Xpath 'm'
|
|
call assert_report("throw1: " .. v:exception .. " in " .. v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'n'
|
|
call T70_G("except2", "throw2", 4)
|
|
Xpath 'o'
|
|
catch /^except2/
|
|
Xpath 'p'
|
|
catch /^throw2$/
|
|
Xpath 'q'
|
|
catch /.*/
|
|
Xpath 'r'
|
|
call assert_report("throw2: " .. v:exception .. " in " .. v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 's'
|
|
let var = T70_G("except3", "throw3", 5)
|
|
Xpath 't'
|
|
catch /^except3/
|
|
Xpath 'u'
|
|
catch /^throw3$/
|
|
Xpath 'v'
|
|
catch /.*/
|
|
Xpath 'w'
|
|
call assert_report("throw3: " .. v:exception .. " in " .. v:throwpoint)
|
|
finally
|
|
unlet! var
|
|
endtry
|
|
|
|
call assert_equal('F1T1F2T2T3G4T4G5T5', g:T70_taken)
|
|
Xpath 'x'
|
|
catch /^0$/ " default return value
|
|
Xpath 'y'
|
|
call assert_report(v:throwpoint)
|
|
catch /.*/
|
|
Xpath 'z'
|
|
call assert_report('Caught' .. v:exception .. ' in ' .. v:throwpoint)
|
|
endtry
|
|
|
|
call assert_equal('acegilnqsvx', g:Xpath)
|
|
endfunc
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 71: :throw across :echo variants and :execute {{{1
|
|
"
|
|
" On an :echo, :echon, :echomsg, :echoerr, or :execute command, an
|
|
" exception might be thrown during evaluation of the arguments to
|
|
" be displayed or executed as a command, respectively. Any following
|
|
" arguments are not evaluated, then. The exception can be caught by
|
|
" the script.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
let T71_taken = ""
|
|
|
|
func T71_throw(x, n)
|
|
let g:T71_taken = g:T71_taken . "T" . a:n
|
|
throw a:x
|
|
endfunc
|
|
|
|
func T71_F(n)
|
|
let g:T71_taken = g:T71_taken . "F" . a:n
|
|
return "F" . a:n
|
|
endfunc
|
|
|
|
func Test_throw_echo()
|
|
XpathINIT
|
|
|
|
try
|
|
try
|
|
Xpath 'a'
|
|
echo 'echo ' . T71_throw("echo-except", 1) . T71_F(1)
|
|
Xpath 'b'
|
|
catch /^echo-except$/
|
|
Xpath 'c'
|
|
catch /.*/
|
|
Xpath 'd'
|
|
call assert_report("echo: " .. v:exception .. " in " .. v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'e'
|
|
echon "echon " . T71_throw("echon-except", 2) . T71_F(2)
|
|
Xpath 'f'
|
|
catch /^echon-except$/
|
|
Xpath 'g'
|
|
catch /.*/
|
|
Xpath 'h'
|
|
call assert_report('echon: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'i'
|
|
echomsg "echomsg " . T71_throw("echomsg-except", 3) . T71_F(3)
|
|
Xpath 'j'
|
|
catch /^echomsg-except$/
|
|
Xpath 'k'
|
|
catch /.*/
|
|
Xpath 'l'
|
|
call assert_report('echomsg: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'm'
|
|
echoerr "echoerr " . T71_throw("echoerr-except", 4) . T71_F(4)
|
|
Xpath 'n'
|
|
catch /^echoerr-except$/
|
|
Xpath 'o'
|
|
catch /Vim/
|
|
Xpath 'p'
|
|
catch /echoerr/
|
|
Xpath 'q'
|
|
catch /.*/
|
|
Xpath 'r'
|
|
call assert_report('echoerr: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 's'
|
|
execute "echo 'execute " . T71_throw("execute-except", 5) . T71_F(5) "'"
|
|
Xpath 't'
|
|
catch /^execute-except$/
|
|
Xpath 'u'
|
|
catch /.*/
|
|
Xpath 'v'
|
|
call assert_report('execute: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
call assert_equal('T1T2T3T4T5', g:T71_taken)
|
|
Xpath 'w'
|
|
catch /^0$/ " default return value
|
|
Xpath 'x'
|
|
call assert_report(v:throwpoint)
|
|
catch /.*/
|
|
Xpath 'y'
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
call assert_equal('acegikmosuw', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 72: :throw across :let or :unlet {{{1
|
|
"
|
|
" On a :let command, an exception might be thrown during evaluation
|
|
" of the expression to assign. On an :let or :unlet command, the
|
|
" evaluation of the name of the variable to be assigned or list or
|
|
" deleted, respectively, may throw an exception. Any following
|
|
" arguments are not evaluated, then. The exception can be caught by
|
|
" the script.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
let throwcount = 0
|
|
|
|
func T72_throw(x)
|
|
let g:throwcount = g:throwcount + 1
|
|
throw a:x
|
|
endfunc
|
|
|
|
let T72_addpath = ''
|
|
|
|
func T72_addpath(p)
|
|
let g:T72_addpath = g:T72_addpath . a:p
|
|
endfunc
|
|
|
|
func Test_throw_let()
|
|
XpathINIT
|
|
|
|
try
|
|
try
|
|
let $VAR = 'old_value'
|
|
Xpath 'a'
|
|
let $VAR = 'let(' . T72_throw('var') . ')'
|
|
Xpath 'b'
|
|
catch /^var$/
|
|
Xpath 'c'
|
|
finally
|
|
call assert_equal('old_value', $VAR)
|
|
endtry
|
|
|
|
try
|
|
let @a = 'old_value'
|
|
Xpath 'd'
|
|
let @a = 'let(' . T72_throw('reg') . ')'
|
|
Xpath 'e'
|
|
catch /^reg$/
|
|
try
|
|
Xpath 'f'
|
|
let @A = 'let(' . T72_throw('REG') . ')'
|
|
Xpath 'g'
|
|
catch /^REG$/
|
|
Xpath 'h'
|
|
endtry
|
|
finally
|
|
call assert_equal('old_value', @a)
|
|
call assert_equal('old_value', @A)
|
|
endtry
|
|
|
|
try
|
|
let saved_gpath = &g:path
|
|
let saved_lpath = &l:path
|
|
Xpath 'i'
|
|
let &path = 'let(' . T72_throw('opt') . ')'
|
|
Xpath 'j'
|
|
catch /^opt$/
|
|
try
|
|
Xpath 'k'
|
|
let &g:path = 'let(' . T72_throw('gopt') . ')'
|
|
Xpath 'l'
|
|
catch /^gopt$/
|
|
try
|
|
Xpath 'm'
|
|
let &l:path = 'let(' . T72_throw('lopt') . ')'
|
|
Xpath 'n'
|
|
catch /^lopt$/
|
|
Xpath 'o'
|
|
endtry
|
|
endtry
|
|
finally
|
|
call assert_equal(saved_gpath, &g:path)
|
|
call assert_equal(saved_lpath, &l:path)
|
|
let &g:path = saved_gpath
|
|
let &l:path = saved_lpath
|
|
endtry
|
|
|
|
unlet! var1 var2 var3
|
|
|
|
try
|
|
Xpath 'p'
|
|
let var1 = 'let(' . T72_throw('var1') . ')'
|
|
Xpath 'q'
|
|
catch /^var1$/
|
|
Xpath 'r'
|
|
finally
|
|
call assert_true(!exists('var1'))
|
|
endtry
|
|
|
|
try
|
|
let var2 = 'old_value'
|
|
Xpath 's'
|
|
let var2 = 'let(' . T72_throw('var2'). ')'
|
|
Xpath 't'
|
|
catch /^var2$/
|
|
Xpath 'u'
|
|
finally
|
|
call assert_equal('old_value', var2)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'v'
|
|
let var{T72_throw('var3')} = 4711
|
|
Xpath 'w'
|
|
catch /^var3$/
|
|
Xpath 'x'
|
|
endtry
|
|
|
|
try
|
|
call T72_addpath('T1')
|
|
let var{T72_throw('var4')} var{T72_addpath('T2')} | call T72_addpath('T3')
|
|
call T72_addpath('T4')
|
|
catch /^var4$/
|
|
call T72_addpath('T5')
|
|
endtry
|
|
|
|
try
|
|
call T72_addpath('T6')
|
|
unlet var{T72_throw('var5')} var{T72_addpath('T7')}
|
|
\ | call T72_addpath('T8')
|
|
call T72_addpath('T9')
|
|
catch /^var5$/
|
|
call T72_addpath('T10')
|
|
endtry
|
|
|
|
call assert_equal('T1T5T6T10', g:T72_addpath)
|
|
call assert_equal(11, g:throwcount)
|
|
catch /.*/
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
call assert_equal('acdfhikmoprsuvx', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 73: :throw across :function, :delfunction {{{1
|
|
"
|
|
" The :function and :delfunction commands may cause an expression
|
|
" specified in braces to be evaluated. During evaluation, an
|
|
" exception might be thrown. The exception can be caught by the
|
|
" script.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
let T73_taken = ''
|
|
|
|
func T73_throw(x, n)
|
|
let g:T73_taken = g:T73_taken . 'T' . a:n
|
|
throw a:x
|
|
endfunc
|
|
|
|
func T73_expr(x, n)
|
|
let g:T73_taken = g:T73_taken . 'E' . a:n
|
|
if a:n % 2 == 0
|
|
call T73_throw(a:x, a:n)
|
|
endif
|
|
return 2 - a:n % 2
|
|
endfunc
|
|
|
|
func Test_throw_func()
|
|
XpathINIT
|
|
|
|
try
|
|
try
|
|
" Define function.
|
|
Xpath 'a'
|
|
function! F0()
|
|
endfunction
|
|
Xpath 'b'
|
|
function! F{T73_expr('function-def-ok', 1)}()
|
|
endfunction
|
|
Xpath 'c'
|
|
function! F{T73_expr('function-def', 2)}()
|
|
endfunction
|
|
Xpath 'd'
|
|
catch /^function-def-ok$/
|
|
Xpath 'e'
|
|
catch /^function-def$/
|
|
Xpath 'f'
|
|
catch /.*/
|
|
call assert_report('def: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
" List function.
|
|
Xpath 'g'
|
|
function F0
|
|
Xpath 'h'
|
|
function F{T73_expr('function-lst-ok', 3)}
|
|
Xpath 'i'
|
|
function F{T73_expr('function-lst', 4)}
|
|
Xpath 'j'
|
|
catch /^function-lst-ok$/
|
|
Xpath 'k'
|
|
catch /^function-lst$/
|
|
Xpath 'l'
|
|
catch /.*/
|
|
call assert_report('lst: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
" Delete function
|
|
Xpath 'm'
|
|
delfunction F0
|
|
Xpath 'n'
|
|
delfunction F{T73_expr('function-del-ok', 5)}
|
|
Xpath 'o'
|
|
delfunction F{T73_expr('function-del', 6)}
|
|
Xpath 'p'
|
|
catch /^function-del-ok$/
|
|
Xpath 'q'
|
|
catch /^function-del$/
|
|
Xpath 'r'
|
|
catch /.*/
|
|
call assert_report('del: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
call assert_equal('E1E2T2E3E4T4E5E6T6', g:T73_taken)
|
|
catch /.*/
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
call assert_equal('abcfghilmnor', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 74: :throw across builtin functions and commands {{{1
|
|
"
|
|
" Some functions like exists(), searchpair() take expression
|
|
" arguments, other functions or commands like substitute() or
|
|
" :substitute cause an expression (specified in the regular
|
|
" expression) to be evaluated. During evaluation an exception
|
|
" might be thrown. The exception can be caught by the script.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
let T74_taken = ""
|
|
|
|
func T74_throw(x, n)
|
|
let g:T74_taken = g:T74_taken . "T" . a:n
|
|
throw a:x
|
|
endfunc
|
|
|
|
func T74_expr(x, n)
|
|
let g:T74_taken = g:T74_taken . "E" . a:n
|
|
call T74_throw(a:x . a:n, a:n)
|
|
return "EXPR"
|
|
endfunc
|
|
|
|
func T74_skip(x, n)
|
|
let g:T74_taken = g:T74_taken . "S" . a:n . "(" . line(".")
|
|
let theline = getline(".")
|
|
if theline =~ "skip"
|
|
let g:T74_taken = g:T74_taken . "s)"
|
|
return 1
|
|
elseif theline =~ "throw"
|
|
let g:T74_taken = g:T74_taken . "t)"
|
|
call T74_throw(a:x . a:n, a:n)
|
|
else
|
|
let g:T74_taken = g:T74_taken . ")"
|
|
return 0
|
|
endif
|
|
endfunc
|
|
|
|
func T74_subst(x, n)
|
|
let g:T74_taken = g:T74_taken . "U" . a:n . "(" . line(".")
|
|
let theline = getline(".")
|
|
if theline =~ "not" " T74_subst() should not be called for this line
|
|
let g:T74_taken = g:T74_taken . "n)"
|
|
call T74_throw(a:x . a:n, a:n)
|
|
elseif theline =~ "throw"
|
|
let g:T74_taken = g:T74_taken . "t)"
|
|
call T74_throw(a:x . a:n, a:n)
|
|
else
|
|
let g:T74_taken = g:T74_taken . ")"
|
|
return "replaced"
|
|
endif
|
|
endfunc
|
|
|
|
func Test_throw_builtin_func()
|
|
XpathINIT
|
|
|
|
try
|
|
try
|
|
Xpath 'a'
|
|
let result = exists('*{T74_expr("exists", 1)}')
|
|
Xpath 'b'
|
|
catch /^exists1$/
|
|
Xpath 'c'
|
|
try
|
|
let result = exists('{T74_expr("exists", 2)}')
|
|
Xpath 'd'
|
|
catch /^exists2$/
|
|
Xpath 'e'
|
|
catch /.*/
|
|
call assert_report('exists2: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
catch /.*/
|
|
call assert_report('exists1: ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
let file = tempname()
|
|
exec "edit" file
|
|
call append(0, [
|
|
\ 'begin',
|
|
\ 'xx',
|
|
\ 'middle 3',
|
|
\ 'xx',
|
|
\ 'middle 5 skip',
|
|
\ 'xx',
|
|
\ 'middle 7 throw',
|
|
\ 'xx',
|
|
\ 'end'])
|
|
normal! gg
|
|
Xpath 'f'
|
|
let result = searchpair("begin", "middle", "end", '',
|
|
\ 'T74_skip("searchpair", 3)')
|
|
Xpath 'g'
|
|
let result = searchpair("begin", "middle", "end", '',
|
|
\ 'T74_skip("searchpair", 4)')
|
|
Xpath 'h'
|
|
let result = searchpair("begin", "middle", "end", '',
|
|
\ 'T74_skip("searchpair", 5)')
|
|
Xpath 'i'
|
|
catch /^searchpair[35]$/
|
|
Xpath 'j'
|
|
catch /^searchpair4$/
|
|
Xpath 'k'
|
|
catch /.*/
|
|
call assert_report('searchpair: ' . v:exception . ' in ' . v:throwpoint)
|
|
finally
|
|
bwipeout!
|
|
call delete(file)
|
|
endtry
|
|
|
|
try
|
|
let file = tempname()
|
|
exec "edit" file
|
|
call append(0, [
|
|
\ 'subst 1',
|
|
\ 'subst 2',
|
|
\ 'not',
|
|
\ 'subst 4',
|
|
\ 'subst throw',
|
|
\ 'subst 6'])
|
|
normal! gg
|
|
Xpath 'l'
|
|
1,2substitute/subst/\=T74_subst("substitute", 6)/
|
|
try
|
|
Xpath 'm'
|
|
try
|
|
let v:errmsg = ""
|
|
3substitute/subst/\=T74_subst("substitute", 7)/
|
|
finally
|
|
if v:errmsg != ""
|
|
" If exceptions are not thrown on errors, fake the error
|
|
" exception in order to get the same execution path.
|
|
throw "faked Vim(substitute)"
|
|
endif
|
|
endtry
|
|
catch /Vim(substitute)/ " Pattern not found ('e' flag missing)
|
|
Xpath 'n'
|
|
3substitute/subst/\=T74_subst("substitute", 8)/e
|
|
Xpath 'o'
|
|
endtry
|
|
Xpath 'p'
|
|
4,6substitute/subst/\=T74_subst("substitute", 9)/
|
|
Xpath 'q'
|
|
catch /^substitute[678]/
|
|
Xpath 'r'
|
|
catch /^substitute9/
|
|
Xpath 's'
|
|
finally
|
|
bwipeout!
|
|
call delete(file)
|
|
endtry
|
|
|
|
try
|
|
Xpath 't'
|
|
let var = substitute("sub", "sub", '\=T74_throw("substitute()y", 10)', '')
|
|
Xpath 'u'
|
|
catch /substitute()y/
|
|
Xpath 'v'
|
|
catch /.*/
|
|
call assert_report('substitute()y: ' . v:exception . ' in '
|
|
\ . v:throwpoint)
|
|
endtry
|
|
|
|
try
|
|
Xpath 'w'
|
|
let var = substitute("not", "sub", '\=T74_throw("substitute()n", 11)', '')
|
|
Xpath 'x'
|
|
catch /substitute()n/
|
|
Xpath 'y'
|
|
catch /.*/
|
|
call assert_report('substitute()n: ' . v:exception . ' in '
|
|
\ . v:throwpoint)
|
|
endtry
|
|
|
|
call assert_equal('E1T1E2T2S3(3)S4(5s)S4(7t)T4U6(1)U6(2)U9(4)U9(5t)T9T10',
|
|
\ g:T74_taken)
|
|
|
|
catch /.*/
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
endtry
|
|
|
|
call assert_equal('acefgklmnopstvwx', g:Xpath)
|
|
endfunc
|
|
|
|
|
|
"-------------------------------------------------------------------------------
|
|
" Test 75: Errors in builtin functions. {{{1
|
|
"
|
|
" On an error in a builtin function called inside a :try/:endtry
|
|
" region, the evaluation of the expression calling that function and
|
|
" the command containing that expression are abandoned. The error can
|
|
" be caught as an exception.
|
|
"
|
|
" A simple :call of the builtin function is a trivial case. If the
|
|
" builtin function is called in the argument list of another function,
|
|
" no further arguments are evaluated, and the other function is not
|
|
" executed. If the builtin function is called from the argument of
|
|
" a :return command, the :return command is not executed. If the
|
|
" builtin function is called from the argument of a :throw command,
|
|
" the :throw command is not executed. The evaluation of the
|
|
" expression calling the builtin function is abandoned.
|
|
"-------------------------------------------------------------------------------
|
|
|
|
func T75_F1(arg1)
|
|
Xpath 'a'
|
|
endfunc
|
|
|
|
func T75_F2(arg1, arg2)
|
|
Xpath 'b'
|
|
endfunc
|
|
|
|
func T75_G()
|
|
Xpath 'c'
|
|
endfunc
|
|
|
|
func T75_H()
|
|
Xpath 'd'
|
|
endfunc
|
|
|
|
func T75_R()
|
|
while 1
|
|
try
|
|
let caught = 0
|
|
let v:errmsg = ""
|
|
Xpath 'e'
|
|
return append(1, "s")
|
|
catch /E21/
|
|
let caught = 1
|
|
catch /.*/
|
|
Xpath 'f'
|
|
finally
|
|
Xpath 'g'
|
|
if caught || $VIMNOERRTHROW && v:errmsg =~ 'E21'
|
|
Xpath 'h'
|
|
endif
|
|
break " discard error for $VIMNOERRTHROW
|
|
endtry
|
|
endwhile
|
|
Xpath 'i'
|
|
endfunc
|
|
|
|
func Test_builtin_func_error()
|
|
XpathINIT
|
|
|
|
try
|
|
set noma " let append() fail with "E21"
|
|
|
|
while 1
|
|
try
|
|
let caught = 0
|
|
let v:errmsg = ""
|
|
Xpath 'j'
|
|
call append(1, "s")
|
|
catch /E21/
|
|
let caught = 1
|
|
catch /.*/
|
|
Xpath 'k'
|
|
finally
|
|
Xpath 'l'
|
|
if caught || $VIMNOERRTHROW && v:errmsg =~ 'E21'
|
|
Xpath 'm'
|
|
endif
|
|
break " discard error for $VIMNOERRTHROW
|
|
endtry
|
|
endwhile
|
|
|
|
while 1
|
|
try
|
|
let caught = 0
|
|
let v:errmsg = ""
|
|
Xpath 'n'
|
|
call T75_F1('x' . append(1, "s"))
|
|
catch /E21/
|
|
let caught = 1
|
|
catch /.*/
|
|
Xpath 'o'
|
|
finally
|
|
Xpath 'p'
|
|
if caught || $VIMNOERRTHROW && v:errmsg =~ 'E21'
|
|
Xpath 'q'
|
|
endif
|
|
break " discard error for $VIMNOERRTHROW
|
|
endtry
|
|
endwhile
|
|
|
|
while 1
|
|
try
|
|
let caught = 0
|
|
let v:errmsg = ""
|
|
Xpath 'r'
|
|
call T75_F2('x' . append(1, "s"), T75_G())
|
|
catch /E21/
|
|
let caught = 1
|
|
catch /.*/
|
|
Xpath 's'
|
|
finally
|
|
Xpath 't'
|
|
if caught || $VIMNOERRTHROW && v:errmsg =~ 'E21'
|
|
Xpath 'u'
|
|
endif
|
|
break " discard error for $VIMNOERRTHROW
|
|
endtry
|
|
endwhile
|
|
|
|
call T75_R()
|
|
|
|
while 1
|
|
try
|
|
let caught = 0
|
|
let v:errmsg = ""
|
|
Xpath 'v'
|
|
throw "T" . append(1, "s")
|
|
catch /E21/
|
|
let caught = 1
|
|
catch /^T.*/
|
|
Xpath 'w'
|
|
catch /.*/
|
|
Xpath 'x'
|
|
finally
|
|
Xpath 'y'
|
|
if caught || $VIMNOERRTHROW && v:errmsg =~ 'E21'
|
|
Xpath 'z'
|
|
endif
|
|
break " discard error for $VIMNOERRTHROW
|
|
endtry
|
|
endwhile
|
|
|
|
while 1
|
|
try
|
|
let caught = 0
|
|
let v:errmsg = ""
|
|
Xpath 'A'
|
|
let x = "a"
|
|
let x = x . "b" . append(1, "s") . T75_H()
|
|
catch /E21/
|
|
let caught = 1
|
|
catch /.*/
|
|
Xpath 'B'
|
|
finally
|
|
Xpath 'C'
|
|
if caught || $VIMNOERRTHROW && v:errmsg =~ 'E21'
|
|
Xpath 'D'
|
|
endif
|
|
call assert_equal('a', x)
|
|
break " discard error for $VIMNOERRTHROW
|
|
endtry
|
|
endwhile
|
|
catch /.*/
|
|
call assert_report('Caught ' . v:exception . ' in ' . v:throwpoint)
|
|
finally
|
|
set ma&
|
|
endtry
|
|
|
|
call assert_equal('jlmnpqrtueghivyzACD', g:Xpath)
|
|
endfunc
|
|
|
|
func Test_reload_in_try_catch()
|
|
call writefile(['x'], 'Xreload')
|
|
set autoread
|
|
edit Xreload
|
|
tabnew
|
|
call writefile(['xx'], 'Xreload')
|
|
augroup ReLoad
|
|
au FileReadPost Xreload let x = doesnotexist
|
|
au BufReadPost Xreload let x = doesnotexist
|
|
augroup END
|
|
try
|
|
edit Xreload
|
|
catch
|
|
endtry
|
|
tabnew
|
|
|
|
tabclose
|
|
tabclose
|
|
autocmd! ReLoad
|
|
set noautoread
|
|
bwipe! Xreload
|
|
call delete('Xreload')
|
|
endfunc
|
|
|
|
" Test for errors with :catch, :throw, :finally {{{1
|
|
func Test_try_catch_errors()
|
|
call assert_fails('throw |', 'E471:')
|
|
call assert_fails("throw \n ", 'E471:')
|
|
call assert_fails('catch abc', 'E654:')
|
|
call assert_fails('try | let i = 1| finally | catch | endtry', 'E604:')
|
|
call assert_fails('finally', 'E606:')
|
|
call assert_fails('try | finally | finally | endtry', 'E607:')
|
|
call assert_fails('try | for i in range(5) | endif | endtry', 'E580:')
|
|
call assert_fails('try | while v:true | endtry', 'E170:')
|
|
call assert_fails('try | if v:true | endtry', 'E171:')
|
|
|
|
" this was using a negative index in cstack[]
|
|
let lines =<< trim END
|
|
try
|
|
for
|
|
if
|
|
endwhile
|
|
if
|
|
finally
|
|
END
|
|
call CheckScriptFailure(lines, 'E690:')
|
|
|
|
let lines =<< trim END
|
|
try
|
|
for
|
|
if
|
|
endwhile
|
|
if
|
|
endtry
|
|
END
|
|
call CheckScriptFailure(lines, 'E690:')
|
|
endfunc
|
|
|
|
" Test for verbose messages with :try :catch, and :finally {{{1
|
|
func Test_try_catch_verbose()
|
|
" This test works only when the language is English
|
|
CheckEnglish
|
|
|
|
set verbose=14
|
|
|
|
" Test for verbose messages displayed when an exception is caught
|
|
redir => msg
|
|
try
|
|
echo i
|
|
catch /E121:/
|
|
finally
|
|
endtry
|
|
redir END
|
|
let expected = [
|
|
\ 'Exception thrown: Vim(echo):E121: Undefined variable: i', '',
|
|
\ 'Exception caught: Vim(echo):E121: Undefined variable: i', '',
|
|
\ 'Exception finished: Vim(echo):E121: Undefined variable: i']
|
|
call assert_equal(expected, split(msg, "\n"))
|
|
|
|
" Test for verbose messages displayed when an exception is discarded
|
|
redir => msg
|
|
try
|
|
try
|
|
throw 'abc'
|
|
finally
|
|
throw 'xyz'
|
|
endtry
|
|
catch
|
|
endtry
|
|
redir END
|
|
let expected = [
|
|
\ 'Exception thrown: abc', '',
|
|
\ 'Exception made pending: abc', '',
|
|
\ 'Exception thrown: xyz', '',
|
|
\ 'Exception discarded: abc', '',
|
|
\ 'Exception caught: xyz', '',
|
|
\ 'Exception finished: xyz']
|
|
call assert_equal(expected, split(msg, "\n"))
|
|
|
|
" Test for messages displayed when :throw is resumed after :finally
|
|
redir => msg
|
|
try
|
|
try
|
|
throw 'abc'
|
|
finally
|
|
endtry
|
|
catch
|
|
endtry
|
|
redir END
|
|
let expected = [
|
|
\ 'Exception thrown: abc', '',
|
|
\ 'Exception made pending: abc', '',
|
|
\ 'Exception resumed: abc', '',
|
|
\ 'Exception caught: abc', '',
|
|
\ 'Exception finished: abc']
|
|
call assert_equal(expected, split(msg, "\n"))
|
|
|
|
" Test for messages displayed when :break is resumed after :finally
|
|
redir => msg
|
|
for i in range(1)
|
|
try
|
|
break
|
|
finally
|
|
endtry
|
|
endfor
|
|
redir END
|
|
let expected = [':break made pending', '', ':break resumed']
|
|
call assert_equal(expected, split(msg, "\n"))
|
|
|
|
" Test for messages displayed when :continue is resumed after :finally
|
|
redir => msg
|
|
for i in range(1)
|
|
try
|
|
continue
|
|
finally
|
|
endtry
|
|
endfor
|
|
redir END
|
|
let expected = [':continue made pending', '', ':continue resumed']
|
|
call assert_equal(expected, split(msg, "\n"))
|
|
|
|
" Test for messages displayed when :return is resumed after :finally
|
|
func Xtest()
|
|
try
|
|
return 'vim'
|
|
finally
|
|
endtry
|
|
endfunc
|
|
redir => msg
|
|
call Xtest()
|
|
redir END
|
|
let expected = [
|
|
\ 'calling Xtest()', '',
|
|
\ ':return vim made pending', '',
|
|
\ ':return vim resumed', '',
|
|
\ 'Xtest returning ''vim''', '',
|
|
\ 'continuing in Test_try_catch_verbose']
|
|
call assert_equal(expected, split(msg, "\n"))
|
|
delfunc Xtest
|
|
|
|
" Test for messages displayed when :finish is resumed after :finally
|
|
call writefile(['try', 'finish', 'finally', 'endtry'], 'Xscript')
|
|
redir => msg
|
|
source Xscript
|
|
redir END
|
|
let expected = [
|
|
\ ':finish made pending', '',
|
|
\ ':finish resumed', '',
|
|
\ 'finished sourcing Xscript',
|
|
\ 'continuing in Test_try_catch_verbose']
|
|
call assert_equal(expected, split(msg, "\n")[1:])
|
|
call delete('Xscript')
|
|
|
|
" Test for messages displayed when a pending :continue is discarded by an
|
|
" exception in a finally handler
|
|
redir => msg
|
|
try
|
|
for i in range(1)
|
|
try
|
|
continue
|
|
finally
|
|
throw 'abc'
|
|
endtry
|
|
endfor
|
|
catch
|
|
endtry
|
|
redir END
|
|
let expected = [
|
|
\ ':continue made pending', '',
|
|
\ 'Exception thrown: abc', '',
|
|
\ ':continue discarded', '',
|
|
\ 'Exception caught: abc', '',
|
|
\ 'Exception finished: abc']
|
|
call assert_equal(expected, split(msg, "\n"))
|
|
|
|
set verbose&
|
|
endfunc
|
|
|
|
" Test for throwing an exception from a BufEnter autocmd {{{1
|
|
func Test_BufEnter_exception()
|
|
augroup bufenter_exception
|
|
au!
|
|
autocmd BufEnter Xfile1 throw 'abc'
|
|
augroup END
|
|
|
|
let caught_abc = 0
|
|
try
|
|
sp Xfile1
|
|
catch /^abc/
|
|
let caught_abc = 1
|
|
endtry
|
|
call assert_equal(1, caught_abc)
|
|
call assert_equal(1, winnr('$'))
|
|
|
|
augroup bufenter_exception
|
|
au!
|
|
augroup END
|
|
augroup! bufenter_exception
|
|
%bwipe!
|
|
|
|
" Test for recursively throwing exceptions in autocmds
|
|
augroup bufenter_exception
|
|
au!
|
|
autocmd BufEnter Xfile1 throw 'bufenter'
|
|
autocmd BufLeave Xfile1 throw 'bufleave'
|
|
augroup END
|
|
|
|
let ex_count = 0
|
|
try
|
|
try
|
|
sp Xfile1
|
|
catch /^bufenter/
|
|
let ex_count += 1
|
|
endtry
|
|
catch /^bufleave/
|
|
let ex_count += 10
|
|
endtry
|
|
call assert_equal(10, ex_count)
|
|
call assert_equal(2, winnr('$'))
|
|
|
|
augroup bufenter_exception
|
|
au!
|
|
augroup END
|
|
augroup! bufenter_exception
|
|
%bwipe!
|
|
endfunc
|
|
|
|
" Test for using try/catch when lines are joined by "|" or "\n" {{{1
|
|
func Test_try_catch_nextcmd()
|
|
func Throw()
|
|
throw "Failure"
|
|
endfunc
|
|
|
|
let lines =<< trim END
|
|
try
|
|
let s:x = Throw()
|
|
catch
|
|
let g:caught = 1
|
|
endtry
|
|
END
|
|
|
|
let g:caught = 0
|
|
call execute(lines)
|
|
call assert_equal(1, g:caught)
|
|
|
|
let g:caught = 0
|
|
call execute(join(lines, '|'))
|
|
call assert_equal(1, g:caught)
|
|
|
|
let g:caught = 0
|
|
call execute(join(lines, "\n"))
|
|
call assert_equal(1, g:caught)
|
|
|
|
unlet g:caught
|
|
delfunc Throw
|
|
endfunc
|
|
|
|
" Test for using try/catch in a user command with a failing expression {{{1
|
|
func Test_user_command_try_catch()
|
|
let lines =<< trim END
|
|
function s:throw() abort
|
|
throw 'error'
|
|
endfunction
|
|
|
|
command! Execute
|
|
\ try
|
|
\ | let s:x = s:throw()
|
|
\ | catch
|
|
\ | let g:caught = 'caught'
|
|
\ | endtry
|
|
|
|
let g:caught = 'no'
|
|
Execute
|
|
call assert_equal('caught', g:caught)
|
|
END
|
|
call writefile(lines, 'XtestTryCatch')
|
|
source XtestTryCatch
|
|
|
|
call delete('XtestTryCatch')
|
|
unlet g:caught
|
|
endfunc
|
|
|
|
" Test for using throw in a called function with following error {{{1
|
|
func Test_user_command_throw_in_function_call()
|
|
let lines =<< trim END
|
|
function s:get_dict() abort
|
|
throw 'my_error'
|
|
endfunction
|
|
|
|
try
|
|
call s:get_dict().foo()
|
|
catch /my_error/
|
|
let caught = 'yes'
|
|
catch
|
|
let caught = v:exception
|
|
endtry
|
|
call assert_equal('yes', caught)
|
|
END
|
|
call writefile(lines, 'XtestThrow')
|
|
source XtestThrow
|
|
|
|
call delete('XtestThrow')
|
|
unlet g:caught
|
|
endfunc
|
|
|
|
" Test that after reporting an uncaught exception there is no error for a
|
|
" missing :endif
|
|
func Test_after_exception_no_endif_error()
|
|
function Throw()
|
|
throw "Failure"
|
|
endfunction
|
|
|
|
function Foo()
|
|
if 1
|
|
call Throw()
|
|
endif
|
|
endfunction
|
|
call assert_fails('call Foo()', ['E605:', 'E605:'])
|
|
delfunc Throw
|
|
delfunc Foo
|
|
endfunc
|
|
|
|
" Test for using throw in a called function with following endtry {{{1
|
|
func Test_user_command_function_call_with_endtry()
|
|
let lines =<< trim END
|
|
funct s:throw(msg) abort
|
|
throw a:msg
|
|
endfunc
|
|
func s:main() abort
|
|
try
|
|
try
|
|
throw 'err1'
|
|
catch
|
|
call s:throw('err2') | endtry
|
|
catch
|
|
let s:caught = 'yes'
|
|
endtry
|
|
endfunc
|
|
|
|
call s:main()
|
|
call assert_equal('yes', s:caught)
|
|
END
|
|
call writefile(lines, 'XtestThrow')
|
|
source XtestThrow
|
|
|
|
call delete('XtestThrow')
|
|
endfunc
|
|
|
|
func ThisWillFail()
|
|
|
|
endfunc
|
|
|
|
" This was crashing prior to the fix in 8.2.3478.
|
|
func Test_error_in_catch_and_finally()
|
|
let lines =<< trim END
|
|
try
|
|
echo x
|
|
catch
|
|
for l in []
|
|
finally
|
|
END
|
|
call writefile(lines, 'XtestCatchAndFinally')
|
|
try
|
|
source XtestCatchAndFinally
|
|
catch /E600:/
|
|
endtry
|
|
|
|
call delete('XtestCatchAndFinally')
|
|
endfunc
|
|
|
|
" This was causing an illegal memory access
|
|
func Test_leave_block_in_endtry_not_called()
|
|
let lines =<< trim END
|
|
" vim9script
|
|
" try #
|
|
try "
|
|
for x in []
|
|
if
|
|
endwhile
|
|
if
|
|
endtry
|
|
END
|
|
call writefile(lines, 'XtestEndtry')
|
|
try
|
|
source XtestEndtry
|
|
catch /E171:/
|
|
endtry
|
|
|
|
call delete('XtestEndtry')
|
|
endfunc
|
|
|
|
" Modeline {{{1
|
|
" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker
|