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* Do not try to instantiate webassembly if fetch did not result in status 200.

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This commit is contained in:
Michael Van Canneyt 2024-07-29 15:29:25 +02:00
parent 4eebcb7f5f
commit 63a8c9c137
1 changed files with 22 additions and 8 deletions
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30
packages/wasi/src/wasienv.pas
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@ -569,20 +569,32 @@ function TWASIHost.CreateWebAssembly(aPath: string; aImportObject: TJSObject
Result:=TJSWebAssembly.instantiate(TJSArrayBuffer(res2),aImportObject)._then(@InstantiateOK,@InstantiateFail);
end;
function fetchOK(res : jsValue) : JSValue;
begin
Result:=TJSResponse(Res).arrayBuffer._then(@ArrayOK,Nil);
end;
function DoFail(res : jsValue) : JSValue;
begin
Result:=False;
console.Log('Loading of WebAssembly from '+aPath+' failed '+ValueToMessage(Res));
console.Log('Loading of WebAssembly from URL "'+aPath+'" failed: '+ValueToMessage(Res));
DoLoadFail(res);
end;
function fetchOK(res : jsValue) : JSValue;
var
Resp : TJSResponse absolute res;
err : TJSError;
begin
if (Resp.status div 100)<>2 then
begin
DoLoadFail(res);
Raise TJSError.new('Loading of WebAssembly from URL "'+aPath+'" failed: status: '+IntToStr(Resp.status)+' '+Resp.statusText);
end
else
Result:=TJSResponse(Res).arrayBuffer._then(@ArrayOK,Nil);
end;
begin
Result:=fetch(aPath)._then(@fetchOK,@DoFail).Catch(@DoFail);
Result:=fetch(aPath)._then(@fetchOK,@DoFail);//.Catch(@DoFail);
end;
function TWASIHost.CreateWasiEnvironment: TPas2JSWASIEnvironment;
@ -679,6 +691,8 @@ Var
Result:=True;
Console.Log('Failed to create webassembly. Reason:');
Console.Debug(aValue);
if isObject(aValue) then
Raise TJSError(aValue);
end;
begin
@ -686,7 +700,7 @@ begin
// Clear current descriptor.
FPreparedStartDescriptor:=Default(TWebAssemblyStartDescriptor);
WASD:=InitStartDescriptor(GetMemory,GetTable,Nil);
Result:=CreateWebAssembly(aPath,WASD.Imports)._then(@initEnv,@DoFail).catch(@DoFail);
Result:=CreateWebAssembly(aPath,WASD.Imports)._then(@initEnv,@DoFail);
end;
procedure TWASIHost.RunPreparedDescriptor;