private static IToken BuildCodeElementFromType(CodeElementType type, Token lastTokenBeforeError, string informationText)
{
CodeElement codeElement = null;
switch (type)
{
case CodeElementType.ProgramIdentification:
codeElement = new ProgramIdentification();
break;
case CodeElementType.ProgramEnd:
codeElement = new ProgramEnd();
break;
case CodeElementType.ClassIdentification:
codeElement = new ClassIdentification();
break;
case CodeElementType.ClassEnd:
codeElement = new ClassEnd();
break;
case CodeElementType.FactoryIdentification:
codeElement = new FactoryIdentification();
break;
case CodeElementType.FactoryEnd:
codeElement = new FactoryEnd();
break;
case CodeElementType.ObjectIdentification:
codeElement = new ObjectIdentification();
break;
case CodeElementType.ObjectEnd:
codeElement = new ObjectEnd();
break;
case CodeElementType.MethodIdentification:
codeElement = new MethodIdentification();
break;
case CodeElementType.MethodEnd:
codeElement = new MethodEnd();
break;
case CodeElementType.EnvironmentDivisionHeader:
codeElement = new EnvironmentDivisionHeader();
break;
case CodeElementType.DataDivisionHeader:
codeElement = new DataDivisionHeader();
break;
case CodeElementType.ProcedureDivisionHeader:
codeElement = new ProcedureDivisionHeader();
break;
case CodeElementType.DeclarativesHeader:
codeElement = new DeclarativesHeader();
break;
case CodeElementType.DeclarativesEnd:
codeElement = new DeclarativesEnd();
break;
case CodeElementType.SectionHeader:
codeElement = new SectionHeader();
break;
case CodeElementType.ConfigurationSectionHeader:
codeElement = new ConfigurationSectionHeader();
break;
case CodeElementType.InputOutputSectionHeader:
codeElement = new InputOutputSectionHeader();
break;
case CodeElementType.FileSectionHeader:
codeElement = new FileSectionHeader();
break;
case CodeElementType.WorkingStorageSectionHeader:
codeElement = new WorkingStorageSectionHeader();
break;
case CodeElementType.LocalStorageSectionHeader:
codeElement = new LocalStorageSectionHeader();
break;
case CodeElementType.LinkageSectionHeader:
codeElement = new LinkageSectionHeader();
break;
case CodeElementType.ParagraphHeader:
codeElement = new ParagraphHeader();
break;
case CodeElementType.FileControlParagraphHeader:
codeElement = new FileControlParagraphHeader();
break;
case CodeElementType.IOControlParagraphHeader:
codeElement = new IOControlParagraphHeader();
break;
case CodeElementType.SentenceEnd:
codeElement = new SentenceEnd();
break;
case CodeElementType.FileDescriptionEntry:
codeElement = new FileDescriptionEntry();
break;
case CodeElementType.DataDescriptionEntry:
codeElement = new DataDescriptionEntry();
break;
case CodeElementType.DataRedefinesEntry:
codeElement = new DataRedefinesEntry();
break;
case CodeElementType.DataRenamesEntry:
codeElement = new DataRenamesEntry();
break;
case CodeElementType.DataConditionEntry:
codeElement = new DataConditionEntry();
break;
case CodeElementType.FileControlEntry:
codeElement = new FileControlEntry();
break;
case CodeElementType.IOControlEntry:
codeElement = new RerunIOControlEntry();
break;
case CodeElementType.SourceComputerParagraph:
codeElement = new SourceComputerParagraph();
break;
case CodeElementType.ObjectComputerParagraph:
codeElement = new ObjectComputerParagraph();
break;
case CodeElementType.SpecialNamesParagraph:
codeElement = new SpecialNamesParagraph();
break;
case CodeElementType.RepositoryParagraph:
codeElement = new RepositoryParagraph();
break;
case CodeElementType.AcceptStatement:
codeElement = new AcceptFromInputDeviceStatement();
break;
case CodeElementType.AddStatement:
codeElement = new AddSimpleStatement();
break;
case CodeElementType.AlterStatement:
codeElement = new AlterStatement();
break;
case CodeElementType.CallStatement:
codeElement = new CallStatement();
break;
case CodeElementType.CancelStatement:
codeElement = new CancelStatement();
break;
case CodeElementType.CloseStatement:
codeElement = new CloseStatement();
break;
case CodeElementType.ComputeStatement:
codeElement = new ComputeStatement();
break;
case CodeElementType.ContinueStatement:
codeElement = new ContinueStatement();
break;
case CodeElementType.DeleteStatement:
codeElement = new DeleteStatement();
break;
case CodeElementType.DisplayStatement:
codeElement = new DisplayStatement();
break;
case CodeElementType.DivideStatement:
codeElement = new DivideSimpleStatement();
break;
case CodeElementType.EntryStatement:
codeElement = new EntryStatement();
break;
case CodeElementType.EvaluateStatement:
codeElement = new EvaluateStatement();
break;
case CodeElementType.ExecStatement:
codeElement = new ExecStatement();
break;
case CodeElementType.ExitMethodStatement:
codeElement = new ExitMethodStatement();
break;
case CodeElementType.ExitProgramStatement:
codeElement = new ExitProgramStatement();
break;
case CodeElementType.ExitStatement:
codeElement = new ExitStatement();
break;
case CodeElementType.GobackStatement:
codeElement = new GobackStatement();
break;
case CodeElementType.GotoStatement:
codeElement = new GotoSimpleStatement();
break;
case CodeElementType.IfStatement:
codeElement = new IfStatement();
break;
case CodeElementType.InitializeStatement:
codeElement = new InitializeStatement();
break;
case CodeElementType.InspectStatement:
codeElement = new InspectTallyingStatement();
break;
case CodeElementType.InvokeStatement:
codeElement = new InvokeStatement();
break;
case CodeElementType.MergeStatement:
codeElement = new MergeStatement();
break;
case CodeElementType.MoveStatement:
codeElement = new MoveSimpleStatement(null, null, null);
break;
case CodeElementType.MultiplyStatement:
codeElement = new MultiplySimpleStatement();
break;
case CodeElementType.NextSentenceStatement:
codeElement = new NextSentenceStatement();
break;
case CodeElementType.OpenStatement:
codeElement = new OpenStatement();
break;
case CodeElementType.PerformProcedureStatement:
codeElement = new PerformProcedureStatement();
break;
case CodeElementType.PerformStatement:
codeElement = new PerformStatement();
break;
case CodeElementType.ReadStatement:
codeElement = new ReadStatement();
break;
case CodeElementType.ReleaseStatement:
codeElement = new ReleaseStatement();
break;
case CodeElementType.ReturnStatement:
codeElement = new ReturnStatement();
break;
case CodeElementType.RewriteStatement:
codeElement = new RewriteStatement();
break;
case CodeElementType.SearchStatement:
codeElement = new SearchSerialStatement();
break;
case CodeElementType.SetStatement:
codeElement = new SetStatementForAssignment();
break;
case CodeElementType.SortStatement:
codeElement = new SortStatement();
break;
case CodeElementType.StartStatement:
codeElement = new StartStatement();
break;
case CodeElementType.StopStatement:
codeElement = new StopStatement();
break;
case CodeElementType.StringStatement:
codeElement = new StringStatement();
break;
case CodeElementType.SubtractStatement:
codeElement = new SubtractSimpleStatement();
break;
case CodeElementType.UnstringStatement:
codeElement = new UnstringStatement();
break;
case CodeElementType.UseStatement:
codeElement = new UseAfterIOExceptionStatement();
break;
case CodeElementType.WriteStatement:
codeElement = new WriteStatement();
break;
case CodeElementType.XmlGenerateStatement:
codeElement = new XmlGenerateStatement();
break;
case CodeElementType.XmlParseStatement:
codeElement = new XmlParseStatement();
break;
case CodeElementType.AtEndCondition:
codeElement = new AtEndCondition();
break;
case CodeElementType.NotAtEndCondition:
codeElement = new NotAtEndCondition();
break;
case CodeElementType.AtEndOfPageCondition:
codeElement = new AtEndOfPageCondition();
break;
case CodeElementType.NotAtEndOfPageCondition:
codeElement = new NotAtEndOfPageCondition();
break;
case CodeElementType.OnExceptionCondition:
codeElement = new OnExceptionCondition();
break;
case CodeElementType.NotOnExceptionCondition:
codeElement = new NotOnExceptionCondition();
break;
case CodeElementType.OnOverflowCondition:
codeElement = new OnOverflowCondition();
break;
case CodeElementType.NotOnOverflowCondition:
codeElement = new NotOnOverflowCondition();
break;
case CodeElementType.InvalidKeyCondition:
codeElement = new InvalidKeyCondition();
break;
case CodeElementType.NotInvalidKeyCondition:
codeElement = new NotInvalidKeyCondition();
break;
case CodeElementType.OnSizeErrorCondition:
codeElement = new OnSizeErrorCondition();
break;
case CodeElementType.NotOnSizeErrorCondition:
codeElement = new NotOnSizeErrorCondition();
break;
case CodeElementType.ElseCondition:
codeElement = new ElseCondition();
break;
case CodeElementType.WhenCondition:
codeElement = new WhenCondition();
break;
case CodeElementType.WhenOtherCondition:
codeElement = new WhenOtherCondition();
break;
case CodeElementType.WhenSearchCondition:
codeElement = new WhenSearchCondition();
break;
case CodeElementType.AddStatementEnd:
codeElement = new AddStatementEnd();
break;
case CodeElementType.CallStatementEnd:
codeElement = new CallStatementEnd();
break;
case CodeElementType.ComputeStatementEnd:
codeElement = new ComputeStatementEnd();
break;
case CodeElementType.DeleteStatementEnd:
codeElement = new DeleteStatementEnd();
break;
case CodeElementType.DivideStatementEnd:
codeElement = new DivideStatementEnd();
break;
case CodeElementType.EvaluateStatementEnd:
codeElement = new EvaluateStatementEnd();
break;
case CodeElementType.IfStatementEnd:
codeElement = new IfStatementEnd();
break;
case CodeElementType.InvokeStatementEnd:
codeElement = new InvokeStatementEnd();
break;
case CodeElementType.MultiplyStatementEnd:
codeElement = new MultiplyStatementEnd();
break;
case CodeElementType.PerformStatementEnd:
codeElement = new PerformStatementEnd();
break;
case CodeElementType.ReadStatementEnd:
codeElement = new ReadStatementEnd();
break;
case CodeElementType.ReturnStatementEnd:
codeElement = new ReturnStatementEnd();
break;
case CodeElementType.RewriteStatementEnd:
codeElement = new RewriteStatementEnd();
break;
case CodeElementType.SearchStatementEnd:
codeElement = new SearchStatementEnd();
break;
case CodeElementType.StartStatementEnd:
codeElement = new StartStatementEnd();
break;
case CodeElementType.StringStatementEnd:
codeElement = new StringStatementEnd();
break;
case CodeElementType.SubtractStatementEnd:
codeElement = new SubtractStatementEnd();
break;
case CodeElementType.UnstringStatementEnd:
codeElement = new UnstringStatementEnd();
break;
case CodeElementType.WriteStatementEnd:
codeElement = new WriteStatementEnd();
break;
case CodeElementType.XmlStatementEnd:
codeElement = new XmlStatementEnd();
break;
case CodeElementType.LibraryCopy:
codeElement = new LibraryCopyCodeElement();
break;
case CodeElementType.FunctionDeclarationHeader:
codeElement = new FunctionDeclarationHeader(null, AccessModifier.Private, FunctionType.Undefined);
break;
case CodeElementType.FunctionDeclarationEnd:
codeElement = new FunctionDeclarationEnd();
break;
default:
throw new NotImplementedException();
}
if (lastTokenBeforeError != null)
{
var missingToken = new MissingToken(TokenType.InvalidToken, informationText, lastTokenBeforeError.TokensLine, lastTokenBeforeError.StopIndex);
codeElement.ConsumedTokens.Add(missingToken);
}
return(codeElement);
}
public void ReadBool()
{
var variabledecl = new VariableDeclaration("foo", "bool", 0);
statementlist.Add(variabledecl);
var variable = new VariableReference("foo", 0);
var print = new ReadStatement(variable, 0);
statementlist.Add(print);
var parsetree = new Program(statementlist);
Assert.Throws<SemanticError>(() => symbolTableBuilder.BuildSymbolTableAndTypeCheck(parsetree));
}
private string EmitReadStatement(ReadStatement readStatement)
{
string r = "\n //Begin read statement...\n";
string className = "__CobolProgram";
FileAndSortDescriptionEntry fsde = GetFSDE(readStatement.Filename.Name);
//fsde.DataDescriptions is a list of items that the data should be read into
//Check for End of Stream...
r += " " + ILAddress(1) + "ldarg.0\n";
r += " " + ILAddress(5);
r += "ldfld class [mscorlib]System.IO.StreamReader " + className + "::_reader_" + ILIdentifier(readStatement.Filename.Name) + "\n";
r += " " + ILAddress(5);
r += "callvirt instance bool class [mscorlib]System.IO.StreamReader::get_EndOfStream()\n";
r += " " + ILAddress(5);
r += "brtrue "; //Jump to IsAtEndOfStream
string r2 = "";
//Execute NotEndStatements...
if (readStatement.NotEndStatements.Count > 0)
{
foreach (Sentence sentence in readStatement.NotEndStatements)
{
r2 += EmitSentence(sentence);
}
}
//Read from file...
r2 += " " + ILAddress(1) + "ldarg.0\n";
r2 += " " + ILAddress(5);
r2 += "ldfld class [mscorlib]System.IO.StreamReader " + className + "::_reader_" + ILIdentifier(readStatement.Filename.Name) + "\n";
r2 += " " + ILAddress(5);
r2 += "callvirt instance string class [mscorlib]System.IO.StreamReader::ReadLine()\n";
Identifier id = new Identifier();
id.Definition = fsde.DataDescriptions[0] as DataDescription;
r2 += EmitStore(id, null);
//EmitStore calls EmitStoreGroup which needs to loop through the elements of a record.
//This should be changed to call ListElements like DISPLAY does.
//Jump to EndRead
r2 += " " + ILAddress(5);
r2 += "br ";
//If we're at the end of the stream, the first branch jumps to here
r += ILAddress() + "\n";
//Execute NotEndStatements...
string r3 = "";
if (readStatement.EndStatements.Count > 0)
{
foreach (Sentence sentence in readStatement.EndStatements)
{
r3 += EmitSentence(sentence);
}
}
//End Read
//The branch after reading data jumps to here
r2 += ILAddress() + "\n";
r += r2;
r += r3;
r += " //End of read statement\n";
return(r);
}
public void visit(ReadStatement node)
{
string vartype = operandtypes.Pop();
if (vartype == "bool")
throw new SemanticError("Invalid argument type \"" + vartype +
"\" for read statement on row " + node.Row + ".");
}