public void Visit(FileTable table)
{
var descriptor = new TableDescriptor(typeof(FileTable<>));
var fileTable = new CodeTypeDeclaration(table.Variable) { TypeAttributes = TypeAttributes.NestedPrivate };
fileTable.BaseTypes.Add(new CodeTypeReference("IRowWriter"));
fileTable.BaseTypes.Add(new CodeTypeReference("IRowReader"));
//field
var fileTableCodeDomType = new CodeTypeReference("FileTable", new CodeTypeReference(table.Variable));
Scope.Current.Type.Type.Members.Add(
new CodeMemberField(fileTableCodeDomType, table.Variable) { Attributes = MemberAttributes.Public | MemberAttributes.Final });
var locationArg = VisitChild(table.Location);
//constructor
Scope.Current.Type.Constructor.Statements.Add(new CodeAssignStatement(
new CodeSnippetExpression(table.Variable),
new CodeObjectCreateExpression(
new CodeTypeReference("FileTable", new CodeTypeReference(table.Variable)))));
BuildIRowWriterImplementation(fileTable, table.Args);
BuildIRowReaderImplementation(fileTable, table.Args);
foreach (var arg in table.Args)
{
var domArg = VisitChild(arg);
fileTable.Members.AddRange(domArg.ParentMemberDefinitions);
descriptor.Variables.Add(new VariableTypePair { Variable = arg.Variable, Primitive= TablePrimitive.FromString(arg.Type)});
}
_mainType.Type.Members.Add(fileTable);
if (Scope.Current.IsCurrentScopeRegistered(table.Variable))
Errors.Add(new VariableAlreadyExists(new Semantic.LineInfo(table.Line.Line, table.Line.CharacterPosition), table.Variable));
Scope.Current.RegisterTable(table.Variable, descriptor, fileTableCodeDomType);
//Init Code
CodeMemberMethod method = new CodeMemberMethod();
method.Name = "Init_" + fileTable.Name;
method.Attributes = MemberAttributes.Private;
_mainType.Type.Members.Add(method);
var assignment = new CodeAssignStatement(new CodeVariableReferenceExpression("_" + Scope.Current.ScopeIdentifier + "." + table.Variable + ".Location"), locationArg.CodeExpression);
method.Statements.Add(assignment);
assignment = new CodeAssignStatement(new CodeVariableReferenceExpression("_" + Scope.Current.ScopeIdentifier + "." + table.Variable + ".FieldTerminator"), new CodePrimitiveExpression(table.FieldTerminator));
method.Statements.Add(assignment);
assignment = new CodeAssignStatement(new CodeVariableReferenceExpression("_" + Scope.Current.ScopeIdentifier + "." + table.Variable + ".RowTerminator"), new CodePrimitiveExpression(table.RowTerminator));
method.Statements.Add(assignment);
method.Statements.Add(new CodeMethodInvokeExpression(new CodeVariableReferenceExpression("_" + Scope.Current.ScopeIdentifier + "." + table.Variable), "Load"));
var methodcall = new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(null, method.Name));
_codeStack.Peek().ParentStatements.Add(methodcall);
_codeStack.Peek().CodeExpression = methodcall;
}
public void Visit(FileTable table, CommonTree tree)
{
Parent(tree).Children.Add(table);
SetLine(table, tree);
Debug.Assert(tree.Children[0].Type == AntlrParser.ID);
Debug.Assert(tree.Children[1].Type == AntlrParser.TABLE_COLUMN_ARGS);
Debug.Assert(tree.Children[2].Type == AntlrParser.WITH);
Debug.Assert(tree.Children[3].Type == AntlrParser.LOCATION);
table.Variable = tree.Children[0].Text;
var args = tree.Children[1] as CommonTree;
foreach (var arg in args.Children)
table.Children.Add(new TableColumnArg() { Variable = arg.GetChild(0).Text, Type = arg.GetChild(1).Text });
Debug.Assert(tree.Children[2].GetChild(0).Type == AntlrParser.FIELD_TERMINATOR);
Debug.Assert(tree.Children[2].GetChild(1).Type == AntlrParser.ROW_TERMINATOR);
table.FieldTerminator = ParseLiteral(tree.Children[2].GetChild(0).GetChild(0).Text);
table.RowTerminator = ParseLiteral(tree.Children[2].GetChild(1).GetChild(0).Text);
Visit(tree.Children[3].GetChild(0));
}
