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Ingo Karkat
ae5443aa73
Since Vim 8.0.20, the regexp engine is reentrant, and the built-in substitute() handles recursive invocations.
19 lines
1.3 KiB
VimL
19 lines
1.3 KiB
VimL
" Test recursive invocation of sub-replace-expression.
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let g:IngoLibrary_CompatFor = 'RecursiveSubstitutionExpression'
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call vimtest#StartTap()
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call vimtap#Plan(5)
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call vimtap#Is(ingo#compat#substitution#RecursiveSubstitutionExpression('foobor', 'o\+', 'X', 'g'), 'fXbXr', 'plain substitution')
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call vimtap#Is(ingo#compat#substitution#RecursiveSubstitutionExpression('foobor', 'o\+', '\=repeat(submatch(0), 2)', 'g'), 'fooooboor', 'non-recursive expression substitution')
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call vimtap#Is(substitute('foobor', '.o\+', '\=ingo#compat#substitution#RecursiveSubstitutionExpression(submatch(0), "^.", "\\=toupper(submatch(0))", "")', 'g'), 'FooBor', 'recursive expression substitution with inner compat function')
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call vimtap#Is(ingo#compat#substitution#RecursiveSubstitutionExpression('foobor', '.o\+', '\=ingo#compat#substitution#RecursiveSubstitutionExpression(submatch(0), "^.", "\\=toupper(submatch(0))", "")', 'g'), 'FooBor', 'recursive expression substitution both using compat function')
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function! Recurse() abort
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return ingo#compat#substitution#RecursiveSubstitutionExpression('yyy', '.\(.\).', '\=submatch(1) . submatch(1)', '')
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endfunction
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call vimtap#Is(substitute('foobor', 'o\+', '\=Recurse() . submatch(0)', 'g'), 'fyyoobyyor', 'recursive expression substitution through function')
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call vimtest#Quit()
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