Function evaluate

test/fixtures/snapshot/typescript.js:84749–84816

(expr)

            }
            return value;
            function evaluate(expr) {
                switch (expr.kind) {
                    case 219 /* SyntaxKind.PrefixUnaryExpression */:
                        var value_2 = evaluate(expr.operand);
                        if (typeof value_2 === "number") {
                            switch (expr.operator) {
                                case 39 /* SyntaxKind.PlusToken */: return value_2;
                                case 40 /* SyntaxKind.MinusToken */: return -value_2;
                                case 54 /* SyntaxKind.TildeToken */: return ~value_2;
                            }
                        }
                        break;
                    case 221 /* SyntaxKind.BinaryExpression */:
                        var left = evaluate(expr.left);
                        var right = evaluate(expr.right);
                        if (typeof left === "number" && typeof right === "number") {
                            switch (expr.operatorToken.kind) {
                                case 51 /* SyntaxKind.BarToken */: return left | right;
                                case 50 /* SyntaxKind.AmpersandToken */: return left & right;
                                case 48 /* SyntaxKind.GreaterThanGreaterThanToken */: return left >> right;
                                case 49 /* SyntaxKind.GreaterThanGreaterThanGreaterThanToken */: return left >>> right;
                                case 47 /* SyntaxKind.LessThanLessThanToken */: return left << right;
                                case 52 /* SyntaxKind.CaretToken */: return left ^ right;
                                case 41 /* SyntaxKind.AsteriskToken */: return left * right;
                                case 43 /* SyntaxKind.SlashToken */: return left / right;
                                case 39 /* SyntaxKind.PlusToken */: return left + right;
                                case 40 /* SyntaxKind.MinusToken */: return left - right;
                                case 44 /* SyntaxKind.PercentToken */: return left % right;
                                case 42 /* SyntaxKind.AsteriskAsteriskToken */: return Math.pow(left, right);
                            }
                        }
                        else if (typeof left === "string" && typeof right === "string" && expr.operatorToken.kind === 39 /* SyntaxKind.PlusToken */) {
                            return left + right;
                        }
                        break;
                    case 10 /* SyntaxKind.StringLiteral */:
                    case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
                        return expr.text;
                    case 8 /* SyntaxKind.NumericLiteral */:
                        checkGrammarNumericLiteral(expr);
                        return +expr.text;
                    case 212 /* SyntaxKind.ParenthesizedExpression */:
                        return evaluate(expr.expression);
                    case 79 /* SyntaxKind.Identifier */:
                        var identifier = expr;
                        if (ts.isInfinityOrNaNString(identifier.escapedText)) {
                            return +(identifier.escapedText);
                        }
                        return ts.nodeIsMissing(expr) ? 0 : evaluateEnumMember(expr, getSymbolOfNode(member.parent), identifier.escapedText);
                    case 207 /* SyntaxKind.ElementAccessExpression */:
                    case 206 /* SyntaxKind.PropertyAccessExpression */:
                        if (isConstantMemberAccess(expr)) {
                            var type = getTypeOfExpression(expr.expression);
                            if (type.symbol && type.symbol.flags & 384 /* SymbolFlags.Enum */) {
                                var name = void 0;
                                if (expr.kind === 206 /* SyntaxKind.PropertyAccessExpression */) {
                                    name = expr.name.escapedText;
                                }