basex-lsp/webapp/lsp/providers/documentSymbols.xqm
2025-10-30 15:36:39 +00:00

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xquery version '4.0';
(:~ Symbols from walking the parse tree :)
module namespace syms="lsp/symbols";
import module namespace hnd="lsp/handlers" at "../handlers.xqm";
import module namespace lspt = 'lsp-typedefs' at "../lsp-typedefs.xqm";
import module namespace pos="lsp/position" at "../position.xqm";
declare variable $syms:actions as hnd:actionMap :={
"ContextValueDecl": syms:action#2,
"VarDecl": syms:VarDecl#2,
"FunctionDecl": syms:FunctionDecl#2,
"ItemTypeDecl": syms:action#2,
"NamedRecordTypeDecl": syms:NamedRecordTypeDecl#2
};
declare function syms:list($parse as element(),$text as xs:string)
as lspt:DocumentSymbol*{
let $state:= hnd:State((),false(),{"text":$text})
let $state:= hnd:walk($parse,$syms:actions,$state)
return $state?result
};
(: for testing only:)
declare function syms:dummy($parse as element(),$text as xs:string )
as lspt:DocumentSymbol*{
let $fr:=(pos:full-range($text),message("dummy"))
(: dummy data :)
let $nameRange:=$fr
return map:for-each($lspt:SymbolKindMap,
fn($k,$v){
lspt:DocumentSymbol($k,$v,$fr,$nameRange,`{$k} v:{$v}`)
})
};
(:~ just trace :)
declare function syms:action($parse as element(),$state as hnd:State )
as hnd:State{
$state ,message(name($parse),"ACTION: ")
};
declare function syms:VarDecl($parse as element(VarDecl),$state as hnd:State )
as hnd:State{
let $name:=syms:localName($parse/VarNameAndType/EQName)
let $length:=string($parse)=>string-length()
let $range:=pos:range-from-ast($parse,$state?extras?text)=>trace("POSSSS")
let $full-range:=$range
let $sym:=lspt:DocumentSymbol($name,$lspt:SymbolKindMap('Variable'),$range,$full-range,"VAR")
return $state
=>map:put("result",($state?result,$sym))
=>map:put("skipchildren",true())
};
declare function syms:FunctionDecl($parse as element(FunctionDecl),$state as hnd:State )
as hnd:State{
let $name:=syms:localName($parse/UnreservedFunctionEQName)
let $prev:=$state?result[$name eq ?name]
let $range:=pos:range-from-ast($parse,$state?extras?text)=>trace("POSSSS")
let $full-range:=$range
let $sym:=lspt:DocumentSymbol($name,$lspt:SymbolKindMap('Method'),$range,$full-range,"FUN")
return $state
=>map:put("result",($state?result,$sym))
=>map:put("skipchildren",true())
};
declare function syms:NamedRecordTypeDecl($parse as element(NamedRecordTypeDecl), $state as hnd:State )
as hnd:State{
let $name:=syms:localName($parse/EQName)
let $range:=pos:range-from-ast($parse,$state?extras?text)=>trace("POSSSS")
let $full-range:=$range
let $sym:=lspt:DocumentSymbol($name,$lspt:SymbolKindMap('TypeParameter'),$range,$full-range,"--RECORD")
=>trace("RECORD")
return $state
=>map:put("result",($state?result,$sym))
=>map:put("skipchildren",true())
};
declare function syms:localName($name as xs:string )
as xs:string{
if(starts-with($name,"Q{"))
then substring-after($name,"}")
else if(contains($name,":"))
then substring-after($name,":")
else $name
};