62 lines
1.7 KiB
Diff
62 lines
1.7 KiB
Diff
diff --git a/src/errors.h b/src/errors.h
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index 3008020..3daf1a6 100644
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--- a/src/errors.h
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+++ b/src/errors.h
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@@ -381,3 +381,5 @@ EXTERN char e_missing_end_block[]
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INIT(= N_("E1171: Missing } after inline function"));
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EXTERN char e_cannot_use_default_values_in_lambda[]
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INIT(= N_("E1172: Cannot use default values in a lambda"));
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+EXTERN char e_resulting_text_too_long[]
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+ INIT(= N_("E1240: Resulting text too long"));
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diff --git a/src/indent.c b/src/indent.c
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index 4f909d0..77d8b0a 100644
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--- a/src/indent.c
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+++ b/src/indent.c
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@@ -1696,6 +1696,11 @@ ex_retab(exarg_T *eap)
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if (ptr[col] == NUL)
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break;
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vcol += chartabsize(ptr + col, (colnr_T)vcol);
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+ if (vcol >= MAXCOL)
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+ {
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+ emsg(_(e_resulting_text_too_long));
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+ break;
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+ }
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if (has_mbyte)
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col += (*mb_ptr2len)(ptr + col);
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else
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diff --git a/src/testdir/test_retab.vim b/src/testdir/test_retab.vim
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index c7190aa..6133e8f 100644
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--- a/src/testdir/test_retab.vim
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+++ b/src/testdir/test_retab.vim
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@@ -70,6 +70,8 @@ func Test_retab()
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call assert_equal(" a b c ", Retab('!', 3))
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call assert_equal(" a b c ", Retab('', 5))
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call assert_equal(" a b c ", Retab('!', 5))
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+
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+ set tabstop& expandtab&
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endfunc
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func Test_retab_error()
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@@ -80,4 +82,21 @@ func Test_retab_error()
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call assert_fails('ret 80000000000000000000', 'E475:')
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endfunc
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+func Test_retab_endless()
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+ new
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+ call setline(1, "\t0\t")
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+ let caught = 'no'
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+ try
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+ while 1
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+ set ts=4000
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+ retab 4
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+ endwhile
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+ catch /E1240/
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+ let caught = 'yes'
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+ endtry
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+ bwipe!
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+ set tabstop&
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+endfunc
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+
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+
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" vim: shiftwidth=2 sts=2 expandtab
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