feat: report parser errors in server

This commit is contained in:
Wojciech Nawrocki 2020-08-09 21:47:26 +02:00 committed by Leonardo de Moura
parent 70cf20c0ab
commit f3d640a7cf
3 changed files with 34 additions and 34 deletions

View file

@ -38,9 +38,8 @@ def compileDocument (version : Nat) (text : DocumentText)
: IO (MessageLog × EditableDocument) := do
let contents := "\n".intercalate text.toList;
headerSnap ← Snapshots.compileHeader contents;
cmdSnaps ← Snapshots.compileCmdsAfter contents headerSnap;
(cmdSnaps, msgLog) ← Snapshots.compileCmdsAfter contents headerSnap;
let docOut : EditableDocument := ⟨version, text, headerSnap, cmdSnaps⟩;
let msgLog := (cmdSnaps.getLastD headerSnap).msgLog;
pure (msgLog, docOut)
def updateDocument (doc : EditableDocument) (changePos : Lsp.Position) (newVersion : Nat)
@ -64,12 +63,11 @@ match doc.snapshots.head? with
let validSnaps := doc.snapshots.filter (fun snap => snap.endPos < changePos);
-- The lowest-in-the-file snapshot which is still valid.
let lastSnap := validSnaps.getLastD doc.header;
snaps ← Snapshots.compileCmdsAfter newContents lastSnap;
(snaps, msgLog) ← Snapshots.compileCmdsAfter newContents lastSnap;
let newDoc := { version := newVersion
, header := doc.header
, text := newText
, snapshots := validSnaps ++ snaps : EditableDocument };
let msgLog := (newDoc.snapshots.getLastD newDoc.header).msgLog;
pure (msgLog, newDoc)
end Editable
@ -196,7 +194,7 @@ let h := (fun paramType responseType [HasFromJson paramType] [HasToJson response
parseParams paramType params >>= handler >>= writeLspResponse id);
match method with
| "textDocument/hover" => h HoverParams Json handleHover
| _ => throw (userError "got unsupported request")
| _ => throw (userError $ "got unsupported request: " ++ method)
partial def mainLoop : Unit → ServerM Unit
| () => do

View file

@ -68,20 +68,21 @@ pure { beginPos := 0
}
/-- Compiles the next command occurring after the given snapshot.
If there is no next command, returns `none`. -/
If there is no next command (file ended), returns messages produced
through the file. -/
-- NOTE(WN): This code is really very similar to Elab.Frontend.
-- Is there a point in generalizing it over "store snapshots"/"don't store snapshots"
-- by changing the FrontendM monad? Perhaps not because it would likely result in
-- confusing isServer? conditionals.
def compileNextCmd (contents : String) (snap : Snapshot) : IO (Option Snapshot) := do
def compileNextCmd (contents : String) (snap : Snapshot) : IO (Sum Snapshot MessageLog) := do
let inputCtx := Parser.mkInputContext contents "<input>";
let (cmdStx, cmdParserState, msgLog) :=
Parser.parseCommand snap.env inputCtx snap.mpState snap.msgLog;
let cmdPos := cmdStx.getHeadInfo.get!.pos.get!; -- TODO(WN): always `some`?
if Parser.isEOI cmdStx || Parser.isExitCommand cmdStx then
pure none
pure $ Sum.inr msgLog
else do
cmdStateRef ← IO.mkRef snap.toCmdState;
cmdStateRef ← IO.mkRef { snap.toCmdState with messages := msgLog };
let cmdCtx : Elab.Command.Context :=
{ cmdPos := snap.endPos
, stateRef := cmdStateRef
@ -99,17 +100,18 @@ else do
, mpState := cmdParserState
, data := SnapshotData.cmdData postCmdState
};
pure $ some postCmdSnap
pure $ Sum.inl postCmdSnap
/-- Compiles all commands after the given snapshot. -/
partial def compileCmdsAfter (contents : String) : Snapshot → IO (List Snapshot)
/-- Compiles all commands after the given snapshot. Returns them as a list, together with
the final message log. -/
partial def compileCmdsAfter (contents : String) : Snapshot → IO (List Snapshot × MessageLog)
| snap => do
cmdOut ← compileNextCmd contents snap;
match cmdOut with
| some snap => do
snaps ← compileCmdsAfter snap;
pure $ snap :: snaps
| none => pure []
| Sum.inl snap => do
(snaps, msgLog) ← compileCmdsAfter snap;
pure $ (snap :: snaps, msgLog)
| Sum.inr msgLog => pure ([], msgLog)
end Snapshots
end Server

View file

@ -4,41 +4,41 @@ Content-Length: 221
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