398private readonly ArrayBuilder<(BoundExpression, ExprContext)> _evalStack; 401private ExprContext _context; 419ArrayBuilder<ValueTuple<BoundExpression, ExprContext>> evalStack, 436var evalStack = ArrayBuilder<ValueTuple<BoundExpression, ExprContext>>.GetInstance(); 452result = VisitExpression(expr, ExprContext.Value); 462private BoundExpression VisitExpressionCore(BoundExpression node, ExprContext context) 464var prevContext = _context; 478case ExprContext.Sideeffects: 482case ExprContext.AssignmentTarget: 485case ExprContext.Value: 486case ExprContext.Address: 487case ExprContext.Box: 499private BoundExpression VisitExpression(BoundExpression node, ExprContext context) 519private BoundExpression VisitExpressionCoreWithStackGuard(BoundExpression node, ExprContext context) 540private void PushEvalStack(BoundExpression result, ExprContext context) 542Debug.Assert(result != null || context == ExprContext.None); 575var prevContext = _context; 595var context = _context == ExprContext.Sideeffects && !node.ConversionHasSideEffects() ? 596ExprContext.Sideeffects : 597ExprContext.Value; 604var context = _context == ExprContext.Sideeffects ? 605ExprContext.Sideeffects : 606ExprContext.Value; 695if (_context == ExprContext.Sideeffects) 718var origContext = _context; 727var rewrittenSideeffect = this.VisitExpression(sideeffect, ExprContext.Sideeffects); 848this.VisitExpression(node.Expression, ExprContext.Sideeffects)); 857case ExprContext.Address: 868case ExprContext.AssignmentTarget: 877case ExprContext.Sideeffects: 886case ExprContext.Value: 887case ExprContext.Box: 922ExprContext.Address : 923ExprContext.AssignmentTarget); 929Debug.Assert(_context != ExprContext.AssignmentTarget, "assignment expression cannot be a target of another assignment"); 931ExprContext rhsContext; 932if (node.IsRef || _context == ExprContext.Address) 935rhsContext = ExprContext.Address; 939Debug.Assert(_context == ExprContext.Value || 940_context == ExprContext.Box || 941_context == ExprContext.Sideeffects, "assignment expression cannot be a target of another assignment"); 943rhsContext = ExprContext.Value; 957PushEvalStack(null, ExprContext.None); 987(_context == ExprContext.Address || _context == ExprContext.Value)) 1202ExprContext context = GetReceiverContext(receiver); 1228private static ExprContext GetReceiverContext(BoundExpression receiver) 1231ExprContext context; 1238context = ExprContext.Box; 1243context = ExprContext.Value; 1249context = ExprContext.Address; 1274ExprContext context = (argRefKind == RefKind.None) ? ExprContext.Value : ExprContext.Address; 1312var rewrittenOperand = VisitExpression(node.Operand, ExprContext.Address); 1330var oldContext = _context; 1331_context = ExprContext.Value; 1351receiver = VisitExpression(receiver, ExprContext.Box); 1358_context == ExprContext.AssignmentTarget || 1359_context == ExprContext.Address || 1362receiver = VisitExpression(receiver, ExprContext.Address); 1366receiver = VisitExpression(receiver, ExprContext.Value); 1454BoundExpression condition = this.VisitExpression(node.Condition, ExprContext.Value); 1458var context = node.IsRef ? ExprContext.Address : ExprContext.Value; 1501var prevContext = _context; 1537PushEvalStack(binary, ExprContext.Value); 1622PushEvalStack(null, ExprContext.None); 1658PushEvalStack(new BoundDefaultExpression(node.Syntax, node.Operand.Type), ExprContext.Value); 1693PushEvalStack(null, ExprContext.None); 1704exceptionSourceOpt = VisitExpression(exceptionSourceOpt, ExprContext.AssignmentTarget); 1769var rewrittenInitializer = this.VisitExpression(initializer, ExprContext.Value); 1791BoundExpression visitedOperand = this.VisitExpression(node.Operand, ExprContext.Address); 1935return top.Item2 == (local.RefKind == RefKind.None ? ExprContext.Value : ExprContext.Address) &&