view runtime/indent/sqlanywhere.vim @ 34546:33cb93a8d573 v9.1.0174

patch 9.1.0174: 'cursorline' and 'wincolor' hl missing with conceal and wrap Commit: https://github.com/vim/vim/commit/21b0a3df8c4abb884489dfcc0c92b1bbe058f291 Author: zeertzjq <zeertzjq@outlook.com> Date: Wed Mar 13 20:06:34 2024 +0100 patch 9.1.0174: 'cursorline' and 'wincolor' hl missing with conceal and wrap Problem: 'cursorline' and 'wincolor' highlight missing with concealed and wrapped lines. Solution: Apply 'cursorline' and 'wincolor' highlight to boguscols. (zeertzjq) Since 'cursorline' and 'wincolor' highlight apply after the end of the line, it is more consistent to have them also apply to boguscols. Assigning MAXCOL to values in ScreenCols[] make mouse click behave the same with 'cursorline' and 'nocursorline', but such behavior may be incorrect, as it puts the cursor on the next screen line. That may be fixed in a future PR. closes: #14192 Signed-off-by: zeertzjq <zeertzjq@outlook.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Wed, 13 Mar 2024 20:15:03 +0100
parents 3b34837f4538
children
line wrap: on
line source

" Vim indent file
" Language:    SQL
" Maintainer:  David Fishburn <dfishburn dot vim at gmail dot com>
" Last Change: 2021 Oct 11
" Version:     4.0
" Download:    http://vim.sourceforge.net/script.php?script_id=495

" Notes:
"    Indenting keywords are based on Oracle and Sybase Adaptive Server
"    Anywhere (ASA).  Test indenting was done with ASA stored procedures and
"    functions and Oracle packages which contain stored procedures and
"    functions.
"    This has not been tested against Microsoft SQL Server or
"    Sybase Adaptive Server Enterprise (ASE) which use the Transact-SQL
"    syntax.  That syntax does not have end tags for IF's, which makes
"    indenting more difficult.
"
" Known Issues:
"    The Oracle MERGE statement does not have an end tag associated with
"    it, this can leave the indent hanging to the right one too many.
"
" History:
"    4.0 (Oct 2021)
"        Added b:undo_indent
"
"    3.0 (Dec 2012)
"        Added cpo check
"
"    2.0
"        Added the FOR keyword to SQLBlockStart to handle (Alec Tica):
"            for i in 1..100 loop
"              |<-- I expect to have indentation here
"            end loop;
"

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
    finish
endif
let b:did_indent     = 1
let b:current_indent = "sqlanywhere"

setlocal indentkeys-=0{
setlocal indentkeys-=0}
setlocal indentkeys-=:
setlocal indentkeys-=0#
setlocal indentkeys-=e

" This indicates formatting should take place when one of these
" expressions is used.  These expressions would normally be something
" you would type at the BEGINNING of a line
" SQL is generally case insensitive, so this files assumes that
" These keywords are something that would trigger an indent LEFT, not
" an indent right, since the SQLBlockStart is used for those keywords
setlocal indentkeys+==~end,=~else,=~elseif,=~elsif,0=~when,0=)

" GetSQLIndent is executed whenever one of the expressions
" in the indentkeys is typed
setlocal indentexpr=GetSQLIndent()

let b:undo_indent = "setl indentexpr< indentkeys<"

" Only define the functions once.
if exists("*GetSQLIndent")
    finish
endif

let s:keepcpo= &cpo
set cpo&vim

" List of all the statements that start a new block.
" These are typically words that start a line.
" IS is excluded, since it is difficult to determine when the
" ending block is (especially for procedures/functions).
let s:SQLBlockStart = '^\s*\%('.
                \ 'if\|else\|elseif\|elsif\|'.
                \ 'while\|loop\|do\|for\|'.
                \ 'begin\|'.
                \ 'case\|when\|merge\|exception'.
                \ '\)\>'
let s:SQLBlockEnd = '^\s*\(end\)\>'

" The indent level is also based on unmatched parentheses
" If a line has an extra "(" increase the indent
" If a line has an extra ")" decrease the indent
function! s:CountUnbalancedParen( line, paren_to_check )
    let l = a:line
    let lp = substitute(l, '[^(]', '', 'g')
    let l = a:line
    let rp = substitute(l, '[^)]', '', 'g')

    if a:paren_to_check =~ ')'
        " echom 'CountUnbalancedParen ) returning: ' .
        " \ (strlen(rp) - strlen(lp))
        return (strlen(rp) - strlen(lp))
    elseif a:paren_to_check =~ '('
        " echom 'CountUnbalancedParen ( returning: ' .
        " \ (strlen(lp) - strlen(rp))
        return (strlen(lp) - strlen(rp))
    else
        " echom 'CountUnbalancedParen unknown paren to check: ' .
        " \ a:paren_to_check
        return 0
    endif
endfunction

" Unindent commands based on previous indent level
function! s:CheckToIgnoreRightParen( prev_lnum, num_levels )
    let lnum = a:prev_lnum
    let line = getline(lnum)
    let ends = 0
    let num_right_paren = a:num_levels
    let ignore_paren = 0
    let vircol = 1

    while num_right_paren > 0
        silent! exec 'norm! '.lnum."G\<bar>".vircol."\<bar>"
        let right_paren = search( ')', 'W' )
        if right_paren != lnum
            " This should not happen since there should be at least
            " num_right_paren matches for this line
            break
        endif
        let vircol      = virtcol(".")

        " if getline(".") =~ '^)'
        let matching_paren = searchpair('(', '', ')', 'bW',
                    \ 's:IsColComment(line("."), col("."))')

        if matching_paren < 1
            " No match found
            " echom 'CTIRP - no match found, ignoring'
            break
        endif

        if matching_paren == lnum
            " This was not an unmatched parentheses, start the search again
            " again after this column
            " echom 'CTIRP - same line match, ignoring'
            continue
        endif

        " echom 'CTIRP - match: ' . line(".") . '  ' . getline(".")

        if getline(matching_paren) =~? '\(if\|while\)\>'
            " echom 'CTIRP - if/while ignored: ' . line(".") . '  ' . getline(".")
            let ignore_paren = ignore_paren + 1
        endif

        " One match found, decrease and check for further matches
        let num_right_paren = num_right_paren - 1

    endwhile

    " Fallback - just move back one
    " return a:prev_indent - shiftwidth()
    return ignore_paren
endfunction

" Based on the keyword provided, loop through previous non empty
" non comment lines to find the statement that initiated the keyword.
" Return its indent level
"    CASE ..
"    WHEN ...
" Should return indent level of CASE
"    EXCEPTION ..
"    WHEN ...
"         something;
"    WHEN ...
" Should return indent level of exception.
function! s:GetStmtStarterIndent( keyword, curr_lnum )
    let lnum  = a:curr_lnum

    " Default - reduce indent by 1
    let ind = indent(a:curr_lnum) - shiftwidth()

    if a:keyword =~? 'end'
        exec 'normal! ^'
        let stmts = '^\s*\%('.
                    \ '\<begin\>\|' .
                    \ '\%(\%(\<end\s\+\)\@<!\<loop\>\)\|' .
                    \ '\%(\%(\<end\s\+\)\@<!\<case\>\)\|' .
                    \ '\%(\%(\<end\s\+\)\@<!\<for\>\)\|' .
                    \ '\%(\%(\<end\s\+\)\@<!\<if\>\)'.
                    \ '\)'
        let matching_lnum = searchpair(stmts, '', '\<end\>\zs', 'bW',
                    \ 's:IsColComment(line("."), col(".")) == 1')
        exec 'normal! $'
        if matching_lnum > 0 && matching_lnum < a:curr_lnum
            let ind = indent(matching_lnum)
        endif
    elseif a:keyword =~? 'when'
        exec 'normal! ^'
        let matching_lnum = searchpair(
                    \ '\%(\<end\s\+\)\@<!\<case\>\|\<exception\>\|\<merge\>',
                    \ '',
                    \ '\%(\%(\<when\s\+others\>\)\|\%(\<end\s\+case\>\)\)',
                    \ 'bW',
                    \ 's:IsColComment(line("."), col(".")) == 1')
        exec 'normal! $'
        if matching_lnum > 0 && matching_lnum < a:curr_lnum
            let ind = indent(matching_lnum)
        else
            let ind = indent(a:curr_lnum)
        endif
    endif

    return ind
endfunction


" Check if the line is a comment
function! s:IsLineComment(lnum)
    let rc = synIDattr(
                \ synID(a:lnum,
                \     match(getline(a:lnum), '\S')+1, 0)
                \ , "name")
                \ =~? "comment"

    return rc
endfunction


" Check if the column is a comment
function! s:IsColComment(lnum, cnum)
    let rc = synIDattr(synID(a:lnum, a:cnum, 0), "name")
                \           =~? "comment"

    return rc
endfunction


" Instead of returning a column position, return
" an appropriate value as a factor of shiftwidth.
function! s:ModuloIndent(ind)
    let ind = a:ind

    if ind > 0
        let modulo = ind % shiftwidth()

        if modulo > 0
            let ind = ind - modulo
        endif
    endif

    return ind
endfunction


" Find correct indent of a new line based upon the previous line
function! GetSQLIndent()
    let lnum = v:lnum
    let ind = indent(lnum)

    " If the current line is a comment, leave the indent as is
    " Comment out this additional check since it affects the
    " indenting of =, and will not reindent comments as it should
    " if s:IsLineComment(lnum) == 1
    "     return ind
    " endif

    " Get previous non-blank line
    let prevlnum = prevnonblank(lnum - 1)
    if prevlnum <= 0
        return ind
    endif

    if s:IsLineComment(prevlnum) == 1
        if getline(v:lnum) =~ '^\s*\*'
            let ind = s:ModuloIndent(indent(prevlnum))
            return ind + 1
        endif
        " If the previous line is a comment, then return -1
        " to tell Vim to use the formatoptions setting to determine
        " the indent to use
        " But only if the next line is blank.  This would be true if
        " the user is typing, but it would not be true if the user
        " is reindenting the file
        if getline(v:lnum) =~ '^\s*$'
            return -1
        endif
    endif

    " echom 'PREVIOUS INDENT: ' . indent(prevlnum) . '  LINE: ' . getline(prevlnum)

    " This is the line you just hit return on, it is not the current line
    " which is new and empty
    " Based on this line, we can determine how much to indent the new
    " line

    " Get default indent (from prev. line)
    let ind      = indent(prevlnum)
    let prevline = getline(prevlnum)

    " Now check what's on the previous line to determine if the indent
    " should be changed, for example IF, BEGIN, should increase the indent
    " where END IF, END, should decrease the indent.
    if prevline =~? s:SQLBlockStart
        " Move indent in
        let ind = ind + shiftwidth()
        " echom 'prevl - SQLBlockStart - indent ' . ind . '  line: ' . prevline
    elseif prevline =~ '[()]'
        if prevline =~ '('
            let num_unmatched_left = s:CountUnbalancedParen( prevline, '(' )
        else
            let num_unmatched_left = 0
        endif
        if prevline =~ ')'
            let num_unmatched_right  = s:CountUnbalancedParen( prevline, ')' )
        else
            let num_unmatched_right  = 0
            " let num_unmatched_right  = s:CountUnbalancedParen( prevline, ')' )
        endif
        if num_unmatched_left > 0
            " There is a open left parenthesis
            " increase indent
            let ind = ind + ( shiftwidth() * num_unmatched_left )
        elseif num_unmatched_right > 0
            " if it is an unbalanced parenthesis only unindent if
            " it was part of a command (ie create table(..)  )
            " instead of part of an if (ie if (....) then) which should
            " maintain the indent level
            let ignore = s:CheckToIgnoreRightParen( prevlnum, num_unmatched_right )
            " echom 'prevl - ) unbalanced - CTIRP - ignore: ' . ignore

            if prevline =~ '^\s*)'
                let ignore = ignore + 1
                " echom 'prevl - begins ) unbalanced ignore: ' . ignore
            endif

            if (num_unmatched_right - ignore) > 0
                let ind = ind - ( shiftwidth() * (num_unmatched_right - ignore) )
            endif

        endif
    endif


    " echom 'CURRENT INDENT: ' . ind . '  LINE: '  . getline(v:lnum)

    " This is a new blank line since we just typed a carriage return
    " Check current line; search for simplistic matching start-of-block
    let line = getline(v:lnum)

    if line =~? '^\s*els'
        " Any line when you type else will automatically back up one
        " ident level  (ie else, elseif, elsif)
        let ind = ind - shiftwidth()
        " echom 'curr - else - indent ' . ind
    elseif line =~? '^\s*end\>'
        let ind = s:GetStmtStarterIndent('end', v:lnum)
        " General case for end
        " let ind = ind - shiftwidth()
        " echom 'curr - end - indent ' . ind
    elseif line =~? '^\s*when\>'
        let ind = s:GetStmtStarterIndent('when', v:lnum)
        " If the WHEN clause is used with a MERGE or EXCEPTION
        " clause, do not change the indent level, since these
        " statements do not have a corresponding END statement.
        " if stmt_starter =~? 'case'
        "    let ind = ind - shiftwidth()
        " endif
        " elseif line =~ '^\s*)\s*;\?\s*$'
        " elseif line =~ '^\s*)'
    elseif line =~ '^\s*)'
        let num_unmatched_right  = s:CountUnbalancedParen( line, ')' )
        let ignore = s:CheckToIgnoreRightParen( v:lnum, num_unmatched_right )
        " If the line ends in a ), then reduce the indent
        " This catches items like:
        " CREATE TABLE T1(
        "    c1 int,
        "    c2 int
        "    );
        " But we do not want to unindent a line like:
        " IF ( c1 = 1
        " AND  c2 = 3 ) THEN
        " let num_unmatched_right  = s:CountUnbalancedParen( line, ')' )
        " if num_unmatched_right > 0
        " elseif strpart( line, strlen(line)-1, 1 ) =~ ')'
        " let ind = ind - shiftwidth()
        if line =~ '^\s*)'
            " let ignore = ignore + 1
            " echom 'curr - begins ) unbalanced ignore: ' . ignore
        endif

        if (num_unmatched_right - ignore) > 0
            let ind = ind - ( shiftwidth() * (num_unmatched_right - ignore) )
        endif
        " endif
    endif

    " echom 'final - indent ' . ind
    return s:ModuloIndent(ind)
endfunction

"  Restore:
let &cpo= s:keepcpo
unlet s:keepcpo
" vim: ts=4 fdm=marker sw=4