public void Visit(ExpandExpression expression)
{
var fromDomArgs = VisitChild(expression.From);
var toDomArgs = VisitChild(expression.To);
var expressionArgs = VisitChild(expression.Expression);
CodeMemberMethod method = new CodeMemberMethod();
method.Name = "Expand_" + fromDomArgs.MethodIdentifier;
method.Attributes = MemberAttributes.Private;
method.ReturnType = new CodeTypeReference("Table", new CodeTypeReference("Expand"));
method.Statements.Add(new CodeVariableDeclarationStatement(method.ReturnType, "expandTable",
new CodeObjectCreateExpression(new CodeTypeReference("RuntimeTable", new CodeTypeReference("Expand")))));
method.Statements.Add(new CodeVariableDeclarationStatement(typeof(int), "x"));
var loop = new CodeIterationStatement();
loop.InitStatement = new CodeAssignStatement( new CodeVariableReferenceExpression("x"), fromDomArgs.CodeExpression);
loop.TestExpression = new CodeBinaryOperatorExpression(new CodeVariableReferenceExpression("x"),
CodeBinaryOperatorType.LessThanOrEqual, toDomArgs.CodeExpression);
loop.IncrementStatement = new CodeAssignStatement(new CodeVariableReferenceExpression("x"), new CodeBinaryOperatorExpression(
new CodeVariableReferenceExpression("x"), CodeBinaryOperatorType.Add, new CodePrimitiveExpression(1)));
loop.Statements.Add(new CodeVariableDeclarationStatement("Expand", "expand", new CodeObjectCreateExpression("Expand")));
loop.Statements.Add(new CodeAssignStatement(new CodeFieldReferenceExpression(new CodeVariableReferenceExpression("expand"), "value"),
expressionArgs.CodeExpression));
loop.Statements.Add(new CodeMethodInvokeExpression(new CodeVariableReferenceExpression("expandTable"), "Add",
new CodeVariableReferenceExpression("expand")));
method.Statements.Add(loop);
method.Statements.Add(new CodeMethodReturnStatement(new CodeVariableReferenceExpression("expandTable")));
_mainType.Type.Members.Add(method);
var methodcall = new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(null, method.Name));
_codeStack.Peek().CodeExpression = methodcall;
_codeStack.Peek().Scope = new ScopeData<TableDescriptor> { Type = Expand.Columns, CodeDomReference = method.ReturnType };
}
public void Visit(ExpandExpression expression, CommonTree tree)
{
Parent(tree).Children.Add(expression);
SetLine(expression, tree);
VisitChildren(tree);
if (tree.ChildCount < 3) //if no expand expression we just add the default iteration variable
{
var iterationVariable = new ExpandIterationVariable();
expression.Children.Add(iterationVariable);
}
}
