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patch 7.4.2230

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Problem:    There is no equivalent of 'smartcase' for a tag search.
Solution:   Add value "followscs" and "smart" to 'tagcase'. (Christian
            Brabandt, closes #712) Turn tagcase test into new style.
This commit is contained in:
Bram Moolenaar
2016-08-20 16:57:02 +02:00
parent f04507d132
commit 66e29d7112
13 changed files with 131 additions and 156 deletions
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5
runtime/doc/options.txt
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@@ -7417,6 +7417,9 @@ A jump table for the options with a short description can be found at |Q_op|.
By default, tag searches are case-sensitive. Case is ignored when
'ignorecase' is set and 'tagcase' is "followic", or when 'tagcase' is
"ignore".
Also when 'tagcase' is "followscs" and 'smartcase' is set, or
'tagcase' is "smart", and the pattern contains only lowercase
characters.
When 'tagbsearch' is off, tags searching is slower when a full match
exists, but faster when no full match exists. Tags in unsorted tags
@@ -7435,8 +7438,10 @@ A jump table for the options with a short description can be found at |Q_op|.
This option specifies how case is handled when searching the tags
file:
followic Follow the 'ignorecase' option
followscs Follow the 'smartcase' and 'ignorecase' options
ignore Ignore case
match Match case
smart Ignore case unless an upper case letter is used
*'taglength'* *'tl'*
'taglength' 'tl' number (default 0)

44
runtime/doc/tagsrch.txt
View File

@@ -84,14 +84,23 @@ Note that when the current file changes, the priority list is mostly not
changed, to avoid confusion when using ":tnext". It is changed when using
":tag {ident}".
The ignore-case matches are not found for a ":tag" command when the
'ignorecase' option is off and 'tagcase' is "followic" or when 'tagcase' is
"match". They are found when a pattern is used (starting with a "/") and for
":tselect", also when 'ignorecase' is off and 'tagcase' is "followic" or when
'tagcase' is "match". Note that using ignore-case tag searching disables
binary searching in the tags file, which causes a slowdown. This can be
avoided by fold-case sorting the tag file. See the 'tagbsearch' option for an
explanation.
The ignore-case matches are not found for a ":tag" command when:
- the 'ignorecase' option is off and 'tagcase' is "followic"
- 'tagcase' is "match"
- 'tagcase' is "smart" and the pattern contains an upper case character.
- 'tagcase' is "followscs" and 'smartcase' option is on and the pattern
contains an upper case character.
The gnore-case matches are found when:
- a pattern is used (starting with a "/")
- for ":tselect"
- when 'tagcase' is "followic" and 'ignorecase' is off
- when 'tagcase' is "match"
- when 'tagcase' is "followscs" and the 'smartcase' option is off
Note that using ignore-case tag searching disables binary searching in the
tags file, which causes a slowdown. This can be avoided by fold-case sorting
the tag file. See the 'tagbsearch' option for an explanation.
==============================================================================
2. Tag stack *tag-stack* *tagstack* *E425*
@@ -442,13 +451,18 @@ file "tags". It can also be used to access a common tags file.
The next file in the list is not used when:
- A matching static tag for the current buffer has been found.
- A matching global tag has been found.
This also depends on whether case is ignored. Case is ignored when
'ignorecase' is set and 'tagcase' is "followic", or when 'tagcase' is
"ignore". If case is not ignored, and the tags file only has a match without
matching case, the next tags file is searched for a match with matching case.
If no tag with matching case is found, the first match without matching case
is used. If case is ignored, and a matching global tag with or without
matching case is found, this one is used, no further tags files are searched.
This also depends on whether case is ignored. Case is ignored when:
- 'tagcase' is "followic" and 'ignorecase' is set
- 'tagcase' is "ignore"
- 'tagcase' is "smart" and and the pattern only contains lower case
characters.
- 'tagcase' is "followscs" and 'smartcase' is set and and the pattern only
contains lower case characters.
If case is not ignored, and the tags file only has a match without matching
case, the next tags file is searched for a match with matching case. If no
tag with matching case is found, the first match without matching case is
used. If case is ignored, and a matching global tag with or without matching
case is found, this one is used, no further tags files are searched.
When a tag file name starts with "./", the '.' is replaced with the path of
the current file. This makes it possible to use a tags file in the directory