dap: do not modify variable references on variables that are zero

jsternberg · jsternberg · commit 7925996c0cc0 · 2025-07-14T13:57:26.000-05:00
Signed-off-by: Jonathan A. Sternberg &lt;jonathan.sternberg@docker.com&gt;
diff --git a/dap/adapter.go b/dap/adapter.go
@@ -395,7 +395,9 @@ func (d *Adapter[C]) Variables(c Context, req *dap.VariablesRequest, resp *dap.V
 	varRef := req.Arguments.VariablesReference & ((1 << 24) - 1)
 	resp.Body.Variables = t.Variables(varRef)
 	for i, ref := range resp.Body.Variables {
-		resp.Body.Variables[i].VariablesReference = (tid << 24) | ref.VariablesReference
+		if ref.VariablesReference > 0 {
+			resp.Body.Variables[i].VariablesReference = (tid << 24) | ref.VariablesReference
+		}
 	}
 	return nil
 }

Original file line number	Diff line number	Diff line change
`@@ -395,7 +395,9 @@ func (d Adapter[C]) Variables(c Context, req dap.VariablesRequest, resp *dap.V`
`395`	`395`	`varRef := req.Arguments.VariablesReference & ((1 << 24) - 1)`
`396`	`396`	`resp.Body.Variables = t.Variables(varRef)`
`397`	`397`	`for i, ref := range resp.Body.Variables {`
`398`		`- resp.Body.Variables[i].VariablesReference = (tid << 24) \| ref.VariablesReference`
	`398`	`+ if ref.VariablesReference > 0 {`
	`399`	`+ resp.Body.Variables[i].VariablesReference = (tid << 24) \| ref.VariablesReference`
	`400`	`+ }`
`399`	`401`	`}`
`400`	`402`	`return nil`
`401`	`403`	`}`