Function checkGrammarModifiers

test/fixtures/snapshot/typescript.js:87700–87962

(node)

            return false;
        }
        function checkGrammarModifiers(node) {
            var quickResult = reportObviousModifierErrors(node);
            if (quickResult !== undefined) {
                return quickResult;
            }
            var lastStatic, lastDeclare, lastAsync, lastOverride;
            var flags = 0 /* ModifierFlags.None */;
            for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) {
                var modifier = _a[_i];
                if (modifier.kind !== 145 /* SyntaxKind.ReadonlyKeyword */) {
                    if (node.kind === 166 /* SyntaxKind.PropertySignature */ || node.kind === 168 /* SyntaxKind.MethodSignature */) {
                        return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_member, ts.tokenToString(modifier.kind));
                    }
                    if (node.kind === 176 /* SyntaxKind.IndexSignature */ && (modifier.kind !== 124 /* SyntaxKind.StaticKeyword */ || !ts.isClassLike(node.parent))) {
                        return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_an_index_signature, ts.tokenToString(modifier.kind));
                    }
                }
                if (modifier.kind !== 101 /* SyntaxKind.InKeyword */ && modifier.kind !== 144 /* SyntaxKind.OutKeyword */) {
                    if (node.kind === 163 /* SyntaxKind.TypeParameter */) {
                        return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_type_parameter, ts.tokenToString(modifier.kind));
                    }
                }
                switch (modifier.kind) {
                    case 85 /* SyntaxKind.ConstKeyword */:
                        if (node.kind !== 260 /* SyntaxKind.EnumDeclaration */) {
                            return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(85 /* SyntaxKind.ConstKeyword */));
                        }
                        break;
                    case 159 /* SyntaxKind.OverrideKeyword */:
                        // If node.kind === SyntaxKind.Parameter, checkParameter reports an error if it's not a parameter property.
                        if (flags & 16384 /* ModifierFlags.Override */) {
                            return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "override");
                        }
                        else if (flags & 2 /* ModifierFlags.Ambient */) {
                            return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "override", "declare");
                        }
                        else if (flags & 64 /* ModifierFlags.Readonly */) {
                            return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "override", "readonly");
                        }
                        else if (flags & 256 /* ModifierFlags.Async */) {
                            return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "override", "async");
                        }
                        flags |= 16384 /* ModifierFlags.Override */;
                        lastOverride = modifier;
                        break;
                    case 123 /* SyntaxKind.PublicKeyword */:
                    case 122 /* SyntaxKind.ProtectedKeyword */:
                    case 121 /* SyntaxKind.PrivateKeyword */:
                        var text = visibilityToString(ts.modifierToFlag(modifier.kind));
                        if (flags & 28 /* ModifierFlags.AccessibilityModifier */) {
                            return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen);
                        }
                        else if (flags & 16384 /* ModifierFlags.Override */) {
                            return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "override");
                        }
                        else if (flags & 32 /* ModifierFlags.Static */) {
                            return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static");
                        }