basex-lsp/webapp/lsp/lsp-diags.xqm
2025-08-18 11:28:21 +01:00

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module namespace lsp-diags = 'lsp-diags';
import module namespace pos="lsp/position" at "position.xqm";
declare type lsp-diags:ParseResult as element(Module|ERROR);
(:~
from: number The start position of the relevant text.
to: number The end position. May be equal to from, though actually covering text is preferable.
severity: "error" | "hint" | "info" | "warning" The severity of the problem. This will influence how it is displayed.
markClass?: string When given, add an extra CSS class to parts of the code that this diagnostic applies to.
source?: string An optional source string indicating where the diagnostic is coming from. You can put the name of your linter here, if applicable.
message: string The message associated with this diagnostic.
renderMessage?: fn(view: EditorView) → Node An optional custom rendering function that displays the message as a DOM node.
actions?: readonly Action[] An optional array of actions that can be taken on this diagnostic.
:)
declare record lsp-diags:nostic(
range as pos:Range,
severity as xs:integer, (: enum('error', 'hint', 'info', 'warning') :)
message as xs:string
);
declare variable $lsp-diags:severities:={
'error':1,
'hint':4,
'info':3,
'warning':2
};
declare function lsp-diags:publish(
$uri as xs:string,
$text as xs:string,
$xml as lsp-diags:ParseResult)
as map(*){
let $diagnostics:=if($xml/self::ERROR)
then array{lsp-diags:parse-error($text, $xml)}
else array{ lsp-diags:parse-xquery($text,$xml)}
return {"jsonrpc": "2.0",
"method":"textDocument/publishDiagnostics",
"params":{"uri": $uri, "diagnostics": $diagnostics}
}
};
(:~
<ERROR b="10819" e="10820" o="234" s="43">syntax error, found '}' while expecting [S,'else'] at line 290, column 3: ...} }; ? return bookmark info for children of $outlineItem as s...</ERROR>
:)
declare function lsp-diags:parse-error($text as xs:string, $xml as element(ERROR))
as map(*)*{
let $dmesg:=$xml/string()
let $dmesg:=translate($dmesg,"&#10;",";")
return (
lsp-diags:nostic(pos:Range(pos:toPosition($text, $xml/@b),
pos:toPosition($text, $xml/@e)),
$lsp-diags:severities('error'),
$dmesg),
lsp-diags:nostic(pos:Range(pos:toPosition($text, $xml/@e +1 ),
pos:toPosition($text, string-length($text)-1)),
$lsp-diags:severities('warning'),
"Unparsed due to previous parser error.")
)
};
(: test data :)
declare function lsp-diags:parse-xquery($text as xs:string, $xml as element(Module))
as map(*)*{
(: lsp-diags:nostic(pos:Range(pos:Position(0,0), pos:Position(0, 5)),
$lsp-diags:severities('error'),"error"),
lsp-diags:nostic(pos:Range(pos:Position(1,0), pos:Position(1,5)),
$lsp-diags:severities('warning'),"warning"),
lsp-diags:nostic(pos:Range(pos:Position(2,0), pos:Position(2, 5)),
$lsp-diags:severities('info'),"info"),
lsp-diags:nostic(pos:Range(pos:Position(3,0), pos:Position(3, 6)),
$lsp-diags:severities('hint'), "hint") :)
};