all: add DiagnosticTag prefix to DiagnosticTag enum

Author: zchee

basic.go

@@ -170,24 +170,24 @@ type DiagnosticTag float64
 
 // list of DiagnosticTag.
 const (
-	// DiagnosticUnnecessary unused or unnecessary code.
+	// DiagnosticTagUnnecessary unused or unnecessary code.
 	//
 	// Clients are allowed to render diagnostics with this tag faded out instead of having
 	// an error squiggle.
-	DiagnosticUnnecessary DiagnosticTag = 1
+	DiagnosticTagUnnecessary DiagnosticTag = 1
 
-	// DiagnosticDeprecated deprecated or obsolete code.
+	// DiagnosticTagDeprecated deprecated or obsolete code.
 	//
 	// Clients are allowed to rendered diagnostics with this tag strike through.
-	DiagnosticDeprecated DiagnosticTag = 2
+	DiagnosticTagDeprecated DiagnosticTag = 2
 )
 
 // String implements fmt.Stringer.
 func (d DiagnosticTag) String() string {
 	switch d {
-	case DiagnosticUnnecessary:
+	case DiagnosticTagUnnecessary:
 		return "Unnecessary"
-	case DiagnosticDeprecated:
+	case DiagnosticTagDeprecated:
 		return "Deprecated"
 	default:
 		return strconv.FormatFloat(float64(d), 'f', -10, 64)

basic_test.go

@@ -582,8 +582,8 @@ func testDiagnostic(t *testing.T, marshal marshalFunc, unmarshal unmarshalFunc)
 		Source:  "test foo bar",
 		Message: "foo bar",
 		Tags: []DiagnosticTag{
-			DiagnosticUnnecessary,
-			DiagnosticDeprecated,
+			DiagnosticTagUnnecessary,
+			DiagnosticTagDeprecated,
 		},
 		RelatedInformation: []DiagnosticRelatedInformation{
 			{
@@ -906,12 +906,12 @@ func TestDiagnosticTag_String(t *testing.T) {
 	}{
 		{
 			name: "Unnecessary",
-			d:    DiagnosticUnnecessary,
+			d:    DiagnosticTagUnnecessary,
 			want: "Unnecessary",
 		},
 		{
 			name: "Deprecated",
-			d:    DiagnosticDeprecated,
+			d:    DiagnosticTagDeprecated,
 			want: "Deprecated",
 		},
 		{

general_test.go

@@ -5576,8 +5576,8 @@ func testTextDocumentClientCapabilitiesPublishDiagnostics(t *testing.T, marshal
 		RelatedInformation: true,
 		TagSupport: &TextDocumentClientCapabilitiesPublishDiagnosticsTagSupport{
 			ValueSet: []DiagnosticTag{
-				DiagnosticDeprecated,
-				DiagnosticUnnecessary,
+				DiagnosticTagDeprecated,
+				DiagnosticTagUnnecessary,
 			},
 		},
 		VersionSupport:         true,