Function getSymbolForExpression

test/fixtures/snapshot/typescript.js:72637–72653

* Try to find a resolved symbol for an expression without also resolving its type, as * getSymbolAtLocation would (as that could be reentrant into contextual typing)

(e)

         * getSymbolAtLocation would (as that could be reentrant into contextual typing)
         */
        function getSymbolForExpression(e) {
            if (e.symbol) {
                return e.symbol;
            }
            if (ts.isIdentifier(e)) {
                return getResolvedSymbol(e);
            }
            if (ts.isPropertyAccessExpression(e)) {
                var lhsType = getTypeOfExpression(e.expression);
                return ts.isPrivateIdentifier(e.name) ? tryGetPrivateIdentifierPropertyOfType(lhsType, e.name) : getPropertyOfType(lhsType, e.name.escapedText);
            }
            return undefined;
            function tryGetPrivateIdentifierPropertyOfType(type, id) {
                var lexicallyScopedSymbol = lookupSymbolForPrivateIdentifierDeclaration(id.escapedText, id);
                return lexicallyScopedSymbol && getPrivateIdentifierPropertyOfType(type, lexicallyScopedSymbol);
            }
        }
        // In an assignment expression, the right operand is contextually typed by the type of the left operand.
        // Don't do this for assignment declarations unless there is a type tag on the assignment, to avoid circularity from checking the right operand.
        function getContextualTypeForAssignmentDeclaration(binaryExpression) {