Merge pull request #691 from fmoralesc/master

Port vim's breakindent patch to neovim's codebase. (vim patches 7.4.338, 7.4.346, 7.4.352, 7.4.353, 7.4.370, 7.4.371, 7.4.388)

7 files changed, 290 insertions, 2 deletions

diff --git a/src/nvim/testdir/Makefile b/src/nvim/testdir/Makefile
index a7f9dd8fa1..db88755a01 100644
--- a/src/nvim/testdir/Makefile
+++ b/src/nvim/testdir/Makefile
@@ -30,8 +30,10 @@ SCRIPTS := test_autoformat_join.out                                    \
            test91.out  test92.out  test93.out  test94.out  test95.out  \
            test96.out  test97.out  test98.out  test99.out  test100.out \
            test101.out test102.out test103.out test104.out test105.out \
-           test106.out test107.out \
-           test_options.out
+           test106.out test107.out                                     \
+           test_options.out                                            \
+           test_listlbr.out test_listlbr_utf8.out                      \
+           test_breakindent.out
 
 SCRIPTS_GUI := test16.out
 
diff --git a/src/nvim/testdir/test_breakindent.in b/src/nvim/testdir/test_breakindent.in
new file mode 100644
index 0000000000..8f40e4f7e5
--- /dev/null
+++ b/src/nvim/testdir/test_breakindent.in
@@ -0,0 +1,79 @@
+Test for breakindent
+
+STARTTEST
+:so small.vim
+:if !exists("+breakindent") | e! test.ok | w! test.out | qa! | endif
+:10new|:vsp|:vert resize 20
+:put =\"\tabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP\"
+:set ts=4 sw=4 sts=4 breakindent
+:fu! ScreenChar(width)
+:	let c=''
+:	for i in range(1,a:width)
+:		let c.=nr2char(screenchar(line('.'), i))
+:	endfor
+:       let c.="\n"
+:	for i in range(1,a:width)
+:		let c.=nr2char(screenchar(line('.')+1, i))
+:	endfor
+:       let c.="\n"
+:	for i in range(1,a:width)
+:		let c.=nr2char(screenchar(line('.')+2, i))
+:	endfor
+:	return c
+:endfu
+:fu DoRecordScreen()
+:	wincmd l
+:	$put =printf(\"\n%s\", g:test)
+:	$put =g:line1
+:	wincmd p
+:endfu
+:let g:test="Test 1: Simple breakindent"
+:let line1=ScreenChar(8)
+:call DoRecordScreen()
+:let g:test="Test 2: Simple breakindent + sbr=>>"
+:set sbr=>>
+:let line1=ScreenChar(8)
+:call DoRecordScreen()
+:let g:test ="Test 3: Simple breakindent + briopt:sbr"
+:set briopt=sbr,min:0 sbr=++
+:let line1=ScreenChar(8)
+:call DoRecordScreen()
+:let g:test ="Test 4: Simple breakindent + min width: 18"
+:set sbr= briopt=min:18
+:let line1=ScreenChar(8)
+:call DoRecordScreen()
+:let g:test =" Test 5: Simple breakindent + shift by 2"
+:set briopt=shift:2,min:0
+:let line1=ScreenChar(8)
+:call DoRecordScreen()
+:let g:test=" Test 6: Simple breakindent + shift by -1"
+:set briopt=shift:-1,min:0
+:let line1=ScreenChar(8)
+:call DoRecordScreen()
+:let g:test=" Test 7: breakindent + shift by +1 + nu + sbr=? briopt:sbr"
+:set briopt=shift:1,sbr,min:0 nu sbr=? nuw=4
+:let line1=ScreenChar(10)
+:call DoRecordScreen()
+:let g:test=" Test 8: breakindent + shift:1 + nu + sbr=# list briopt:sbr"
+:set briopt=shift:1,sbr,min:0 nu sbr=# list
+:let line1=ScreenChar(10)
+:call DoRecordScreen()
+:let g:test=" Test 9: breakindent + shift by +1 + 'nu' + sbr=# list"
+:set briopt-=sbr
+:let line1=ScreenChar(10)
+:call DoRecordScreen()
+:let g:test=" Test 10: breakindent + shift by +1 + 'nu' + sbr=~ cpo+=n"
+:set cpo+=n sbr=~ nu nuw=4 nolist briopt=sbr,min:0
+:let line1=ScreenChar(10)
+:call DoRecordScreen()
+:wincmd p
+:let g:test="\n Test 11: strdisplaywidth when breakindent is on"
+:set cpo-=n sbr=>> nu nuw=4 nolist briopt= ts=4
+:let text=getline(2) "skip leading tab when calculating text width
+:let width = strlen(text[1:])+indent(2)*4+strlen(&sbr)*3 " text wraps 3 times
+:$put =g:test
+:$put =printf(\"strdisplaywidth: %d == calculated: %d\", strdisplaywidth(text), width)
+:%w! test.out
+:qa!
+ENDTEST
+dummy text
diff --git a/src/nvim/testdir/test_breakindent.ok b/src/nvim/testdir/test_breakindent.ok
new file mode 100644
index 0000000000..723cb25012
--- /dev/null
+++ b/src/nvim/testdir/test_breakindent.ok
@@ -0,0 +1,55 @@
+
+	abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP
+
+Test 1: Simple breakindent
+    abcd
+    qrst
+    GHIJ
+
+Test 2: Simple breakindent + sbr=>>
+    abcd
+    >>qr
+    >>EF
+
+Test 3: Simple breakindent + briopt:sbr
+    abcd
+++  qrst
+++  GHIJ
+
+Test 4: Simple breakindent + min width: 18
+    abcd
+  qrstuv
+  IJKLMN
+
+ Test 5: Simple breakindent + shift by 2
+    abcd
+      qr
+      EF
+
+ Test 6: Simple breakindent + shift by -1
+    abcd
+   qrstu
+   HIJKL
+
+ Test 7: breakindent + shift by +1 + nu + sbr=? briopt:sbr
+  2     ab
+?        m
+?        x
+
+ Test 8: breakindent + shift:1 + nu + sbr=# list briopt:sbr
+  2 ^Iabcd
+#      opq
+#      BCD
+
+ Test 9: breakindent + shift by +1 + 'nu' + sbr=# list
+  2 ^Iabcd
+       #op
+       #AB
+
+ Test 10: breakindent + shift by +1 + 'nu' + sbr=~ cpo+=n
+  2     ab
+~       mn
+~       yz
+
+ Test 11: strdisplaywidth when breakindent is on
+strdisplaywidth: 46 == calculated: 64
diff --git a/src/nvim/testdir/test_listlbr.in b/src/nvim/testdir/test_listlbr.in
new file mode 100644
index 0000000000..0cce4c23a5
--- /dev/null
+++ b/src/nvim/testdir/test_listlbr.in
@@ -0,0 +1,52 @@
+Test for linebreak and list option (non-utf8)
+
+STARTTEST
+:so small.vim
+:if !exists("+linebreak") | e! test.ok | w! test.out | qa! | endif
+:10new|:vsp|:vert resize 20
+:put =\"\tabcdef hijklmn\tpqrstuvwxyz_1060ABCDEFGHIJKLMNOP \"
+:norm! zt
+:set ts=4 sw=4 sts=4 linebreak sbr=+ wrap
+:fu! ScreenChar(width)
+:	let c=''
+:	for j in range(1,4)
+:	    for i in range(1,a:width)
+:	    	let c.=nr2char(screenchar(j, i))
+:	    endfor
+:           let c.="\n"
+:	endfor
+:	return c
+:endfu
+:fu! DoRecordScreen()
+:	wincmd l
+:	$put =printf(\"\n%s\", g:test)
+:	$put =g:line
+:	wincmd p
+:endfu
+:let g:test="Test 1: set linebreak"
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test="Test 2: set linebreak + set list"
+:set linebreak list listchars=
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test ="Test 3: set linebreak nolist"
+:set nolist linebreak
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:let g:test ="Test 4: set linebreak with tab and 1 line as long as screen: should break!"
+:set nolist linebreak ts=8
+:let line="1\t".repeat('a', winwidth(0)-2)
+:$put =line
+:$
+:norm! zt
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:%w! test.out
+:qa!
+ENDTEST
+dummy text
diff --git a/src/nvim/testdir/test_listlbr.ok b/src/nvim/testdir/test_listlbr.ok
new file mode 100644
index 0000000000..be323d4dc7
--- /dev/null
+++ b/src/nvim/testdir/test_listlbr.ok
@@ -0,0 +1,27 @@
+
+	abcdef hijklmn	pqrstuvwxyz_1060ABCDEFGHIJKLMNOP 
+
+Test 1: set linebreak
+    abcdef          
++hijklmn            
++pqrstuvwxyz_1060ABC
++DEFGHIJKLMNOP      
+
+Test 2: set linebreak + set list
+^Iabcdef hijklmn^I  
++pqrstuvwxyz_1060ABC
++DEFGHIJKLMNOP      
+                    
+
+Test 3: set linebreak nolist
+    abcdef          
++hijklmn            
++pqrstuvwxyz_1060ABC
++DEFGHIJKLMNOP      
+1	aaaaaaaaaaaaaaaaaa
+
+Test 4: set linebreak with tab and 1 line as long as screen: should break!
+1                   
++aaaaaaaaaaaaaaaaaa 
+~                   
+~                   
diff --git a/src/nvim/testdir/test_listlbr_utf8.in b/src/nvim/testdir/test_listlbr_utf8.in
new file mode 100644
index 0000000000..ba12adae05
--- /dev/null
+++ b/src/nvim/testdir/test_listlbr_utf8.in
@@ -0,0 +1,52 @@
+Test for linebreak and list option in utf-8 mode
+
+STARTTEST
+:so small.vim
+:if !exists("+linebreak") | e! test.ok | w! test.out | qa! | endif
+:so mbyte.vim
+:if &enc !=? 'utf-8'|:e! test.ok|:w! test.out|qa!|endif
+:10new|:vsp|:vert resize 20
+:put =\"\tabcdef hijklmn\tpqrstuvwxyz\u00a01060ABCDEFGHIJKLMNOP \"
+:norm! zt
+:set ts=4 sw=4 sts=4 linebreak sbr=+ wrap
+:fu! ScreenChar(width)
+:	let c=''
+:	for j in range(1,4)
+:	    for i in range(1,a:width)
+:	    	let c.=nr2char(screenchar(j, i))
+:	    endfor
+:           let c.="\n"
+:	endfor
+:	return c
+:endfu
+:fu! DoRecordScreen()
+:	wincmd l
+:	$put =printf(\"\n%s\", g:test)
+:	$put =g:line
+:	wincmd p
+:endfu
+:let g:test ="Test 1: set linebreak + set list + fancy listchars"
+:exe "set linebreak list listchars=nbsp:\u2423,tab:\u2595\u2014,trail:\u02d1,eol:\ub6"
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:"
+:let g:test ="Test 2: set nolinebreak list"
+:set list nolinebreak
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:"
+:let g:test ="Test 3: set linebreak nolist"
+:$put =\"\t*mask = nil;\"
+:$
+:norm! zt
+:set nolist linebreak
+:redraw!
+:let line=ScreenChar(winwidth(0))
+:call DoRecordScreen()
+:"
+:%w! test.out
+:qa!
+ENDTEST
+dummy text
diff --git a/src/nvim/testdir/test_listlbr_utf8.ok b/src/nvim/testdir/test_listlbr_utf8.ok
new file mode 100644
index 0000000000..634cf3906d
--- /dev/null
+++ b/src/nvim/testdir/test_listlbr_utf8.ok
@@ -0,0 +1,21 @@
+
+	abcdef hijklmn	pqrstuvwxyz 1060ABCDEFGHIJKLMNOP 
+
+Test 1: set linebreak + set list + fancy listchars
+▕———abcdef          
++hijklmn▕———        
++pqrstuvwxyz␣1060ABC
++DEFGHIJKLMNOPˑ¶    
+
+Test 2: set nolinebreak list
+▕———abcdef hijklmn▕—
++pqrstuvwxyz␣1060ABC
++DEFGHIJKLMNOPˑ¶    
+¶                   
+	*mask = nil;
+
+Test 3: set linebreak nolist
+    *mask = nil;    
+~                   
+~                   
+~