//-----------------------------------------------------------
private Type Visit(ExitStatement node, Table table)
{
if (LoopNestingLevel == 0)
{
throw new SemanticError("Exit statement must be inside a loop or for statement", node.AnchorToken);
}
return(Type.VOID);
}
public void Exit()
{
var statement = new ExitStatement();
SerializeAndAssert(statement, (serialized, deserialized) => {
Assert.IsNotNull(deserialized);
Assert.IsNull(deserialized.Label);
Assert.IsNull(serialized.WhenExpression);
});
}
public Node ExitStatement()
{
var result = new ExitStatement()
{
AnchorToken = Expect(TokenCategory.EXIT)
};
Expect(TokenCategory.SEMICOLON);
return(result);
}
public void ExitWhen()
{
var statement = new ExitStatement(SqlExpression.Constant(true));
SerializeAndAssert(statement, (serialized, deserialized) => {
Assert.IsNotNull(deserialized);
Assert.IsNull(deserialized.Label);
Assert.IsNotNull(deserialized.WhenExpression);
Assert.IsInstanceOf <SqlConstantExpression>(deserialized.WhenExpression);
});
}
public override object VisitExitStatement(ExitStatement exitStatement, object data)
{
if (exitStatement.ExitType == ExitType.Function || exitStatement.ExitType == ExitType.Property)
{
hasExit = true;
IdentifierExpression expr = new IdentifierExpression("tmp");
expressionsToReplace.Add(expr);
var newNode = new ReturnStatement(expr);
ReplaceCurrentNode(newNode);
return(base.VisitReturnStatement(newNode, data));
}
return(base.VisitExitStatement(exitStatement, data));
}
public object VisitExitStatement(ExitStatement exitStatement, object data)
{
if (exitStatement.ExitType == ExitType.Function || exitStatement.ExitType == ExitType.Sub || exitStatement.ExitType == ExitType.Property)
{
AddWarning(exitStatement, "ExitStatement is converted to 'return'");
return(new B.ReturnStatement(GetLexicalInfo(exitStatement)));
}
else
{
AddWarning(exitStatement, "ExitStatement is converted to 'break'");
return(new B.BreakStatement(GetLexicalInfo(exitStatement)));
}
}
public void Visit(ExitStatement l)
{
if (CheckInclude(l))
{
return;
}
if (CheckGeneric(l))
{
return;
}
// We komen in een onbereikbaar stuk code...
_unreachable = true;
}
protected override void VisitExitStatement(ExitStatement statement)
{
State.Write(Symbols.EXIT);
if (!String.IsNullOrWhiteSpace(statement.Label))
{
State.Write(Symbols.OpenBracket);
State.Write(statement.Label);
State.Write(Symbols.CloseBracket);
}
if (statement.When != null)
{
State.Write(Symbols.WHEN);
VisitToken(statement.When);
}
}
protected override void VisitExitStatement(ExitStatement statement)
{
throw new NotImplementedException();
}
public virtual object Visit(ExitStatement exitStatement, object data)
{
Debug.Assert(exitStatement != null);
return(data);
}
public void Visit(ExitStatement l)
{
Format(l);
}
public virtual object VisitExitStatement(ExitStatement exitStatement, object data) {
throw new global::System.NotImplementedException("ExitStatement");
}
public object VisitExitStatement(ExitStatement exitStatement, object data)
{
throw new NotImplementedException();
}
public virtual object TrackedVisitExitStatement(ExitStatement exitStatement, object data) {
return base.VisitExitStatement(exitStatement, data);
}
public void Visit(ExitStatement l)
{
VisitStatementComment(l);
}
// returns true if we crossed an unwind-protected region (try/catch/finally, lock, using, ...)
public virtual bool AddReturnOrigin (UsageVector vector, ExitStatement stmt)
{
return Parent.AddReturnOrigin (vector, stmt);
}
public override object Visit(ExitStatement that, object value)
{
_writer.Write("exit ");
switch (that.BlockKind)
{
case BlockKind.Entry:
_writer.Write("entry");
break;
case BlockKind.Function:
_writer.Write("function");
break;
case BlockKind.Method:
_writer.Write("method");
break;
default:
throw new System.ArgumentException("that.BlockKind");
}
_writer.WriteLine();
return null;
}
//-----------------------------------------------------------
private string Visit(ExitStatement node, Table table)
{
return("\t\tbr " + loopLabels.Peek() + "\n");
}
public virtual object VisitExitStatement(ExitStatement exitStatement, object data) {
Debug.Assert((exitStatement != null));
return null;
}
//Function : ExitFunction
//Method : This is the Function that
//used For Exit The Invoke Statement
public void ExitFunction()
{
ExitStatement?.Invoke();
}
public override object Visit(ExitStatement that, object value = null)
{
return null;
}
protected abstract void VisitExitStatement(ExitStatement statement);
public override bool AddReturnOrigin (UsageVector vector, ExitStatement exit_stmt)
{
Parent.AddReturnOrigin (vector, exit_stmt);
return true;
}
void IStatementVisitor.Visit(ExitStatement statement)
{
generator.Emit(OpCodes.Ret);
}
public void OnExitStatement(ExitStatement stmt)
{
Enter(new Exit(stmt), stmt);
Exit();
}
public sealed override object VisitExitStatement(ExitStatement exitStatement, object data) {
BeginVisit(exitStatement);
object result = TrackedVisitExitStatement(exitStatement, data);
EndVisit(exitStatement);
return result;
}
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 override object Visit(ExitStatement that, object value = null)
{
PrintPrologue(that);
_writer.WriteLine("BlockKind = {0}", that.BlockKind.ToString());
PrintEpilogue(that);
return null;
}
private bool IsMatch(ExitStatement left, ExitStatement data)
{
return(false);
}
public override bool AddReturnOrigin (UsageVector vector, ExitStatement exit_stmt)
{
if (finally_vector != null) {
int errors = Report.Errors;
Parent.AddReturnOrigin (vector, exit_stmt);
if (errors == Report.Errors)
exit_stmt.Error_FinallyClause (Report);
} else {
saved_origins = new ReturnOrigin (saved_origins, vector, exit_stmt);
}
// sets ec.NeedReturnLabel()
stmt.SomeCodeFollows ();
return true;
}
protected override void visitExitStatement(ExitStatement statement)
{
appendExitOrNextStatement(statement, KeywordEnum.EXIT, statement.Loop, statement.Condition);
}
public override bool AddReturnOrigin (UsageVector vector, ExitStatement stmt)
{
vector = vector.Clone ();
vector.Location = stmt.loc;
vector.Next = return_origins;
return_origins = vector;
return false;
}
public override object VisitExitStatement(ExitStatement exitStatement, object data)
{
return(base.VisitExitStatement(exitStatement, data));
}
public ReturnOrigin (SavedOrigin next, UsageVector vector, ExitStatement stmt)
: base (next, vector)
{
Stmt = stmt;
}
void EmbeddedStatement(
#line 2755 "VBNET.ATG"
out Statement statement) {
#line 2757 "VBNET.ATG"
Statement embeddedStatement = null;
statement = null;
Expression expr = null;
string name = String.Empty;
List<Expression> p = null;
if (la.kind == 107) {
lexer.NextToken();
#line 2763 "VBNET.ATG"
ExitType exitType = ExitType.None;
switch (la.kind) {
case 195: {
lexer.NextToken();
#line 2765 "VBNET.ATG"
exitType = ExitType.Sub;
break;
}
case 114: {
lexer.NextToken();
#line 2767 "VBNET.ATG"
exitType = ExitType.Function;
break;
}
case 171: {
lexer.NextToken();
#line 2769 "VBNET.ATG"
exitType = ExitType.Property;
break;
}
case 95: {
lexer.NextToken();
#line 2771 "VBNET.ATG"
exitType = ExitType.Do;
break;
}
case 111: {
lexer.NextToken();
#line 2773 "VBNET.ATG"
exitType = ExitType.For;
break;
}
case 203: {
lexer.NextToken();
#line 2775 "VBNET.ATG"
exitType = ExitType.Try;
break;
}
case 216: {
lexer.NextToken();
#line 2777 "VBNET.ATG"
exitType = ExitType.While;
break;
}
case 182: {
lexer.NextToken();
#line 2779 "VBNET.ATG"
exitType = ExitType.Select;
break;
}
default: SynErr(273); break;
}
#line 2781 "VBNET.ATG"
statement = new ExitStatement(exitType);
} else if (la.kind == 203) {
TryStatement(
#line 2782 "VBNET.ATG"
out statement);
} else if (la.kind == 76) {
lexer.NextToken();
#line 2783 "VBNET.ATG"
ContinueType continueType = ContinueType.None;
if (la.kind == 95 || la.kind == 111 || la.kind == 216) {
if (la.kind == 95) {
lexer.NextToken();
#line 2783 "VBNET.ATG"
continueType = ContinueType.Do;
} else if (la.kind == 111) {
lexer.NextToken();
#line 2783 "VBNET.ATG"
continueType = ContinueType.For;
} else {
lexer.NextToken();
#line 2783 "VBNET.ATG"
continueType = ContinueType.While;
}
}
#line 2783 "VBNET.ATG"
statement = new ContinueStatement(continueType);
} else if (la.kind == 200) {
lexer.NextToken();
if (StartOf(29)) {
Expr(
#line 2785 "VBNET.ATG"
out expr);
}
#line 2785 "VBNET.ATG"
statement = new ThrowStatement(expr);
} else if (la.kind == 180) {
lexer.NextToken();
if (StartOf(29)) {
Expr(
#line 2787 "VBNET.ATG"
out expr);
}
#line 2787 "VBNET.ATG"
statement = new ReturnStatement(expr);
} else if (la.kind == 196) {
lexer.NextToken();
Expr(
#line 2789 "VBNET.ATG"
out expr);
EndOfStmt();
Block(
#line 2789 "VBNET.ATG"
out embeddedStatement);
Expect(100);
Expect(196);
#line 2790 "VBNET.ATG"
statement = new LockStatement(expr, embeddedStatement);
} else if (la.kind == 174) {
lexer.NextToken();
Identifier();
#line 2792 "VBNET.ATG"
name = t.val;
if (la.kind == 25) {
lexer.NextToken();
if (StartOf(37)) {
ArgumentList(
#line 2793 "VBNET.ATG"
out p);
}
Expect(26);
}
#line 2795 "VBNET.ATG"
statement = new RaiseEventStatement(name, p);
} else if (la.kind == 218) {
WithStatement(
#line 2798 "VBNET.ATG"
out statement);
} else if (la.kind == 43) {
lexer.NextToken();
#line 2800 "VBNET.ATG"
Expression handlerExpr = null;
Expr(
#line 2801 "VBNET.ATG"
out expr);
Expect(12);
Expr(
#line 2801 "VBNET.ATG"
out handlerExpr);
#line 2803 "VBNET.ATG"
statement = new AddHandlerStatement(expr, handlerExpr);
} else if (la.kind == 178) {
lexer.NextToken();
#line 2806 "VBNET.ATG"
Expression handlerExpr = null;
Expr(
#line 2807 "VBNET.ATG"
out expr);
Expect(12);
Expr(
#line 2807 "VBNET.ATG"
out handlerExpr);
#line 2809 "VBNET.ATG"
statement = new RemoveHandlerStatement(expr, handlerExpr);
} else if (la.kind == 216) {
lexer.NextToken();
Expr(
#line 2812 "VBNET.ATG"
out expr);
EndOfStmt();
Block(
#line 2813 "VBNET.ATG"
out embeddedStatement);
Expect(100);
Expect(216);
#line 2815 "VBNET.ATG"
statement = new DoLoopStatement(expr, embeddedStatement, ConditionType.While, ConditionPosition.Start);
} else if (la.kind == 95) {
lexer.NextToken();
#line 2820 "VBNET.ATG"
ConditionType conditionType = ConditionType.None;
if (la.kind == 209 || la.kind == 216) {
WhileOrUntil(
#line 2823 "VBNET.ATG"
out conditionType);
Expr(
#line 2823 "VBNET.ATG"
out expr);
EndOfStmt();
Block(
#line 2824 "VBNET.ATG"
out embeddedStatement);
Expect(138);
#line 2827 "VBNET.ATG"
statement = new DoLoopStatement(expr,
embeddedStatement,
conditionType == ConditionType.While ? ConditionType.DoWhile : conditionType,
ConditionPosition.Start);
} else if (la.kind == 1 || la.kind == 11) {
EndOfStmt();
Block(
#line 2834 "VBNET.ATG"
out embeddedStatement);
Expect(138);
if (la.kind == 209 || la.kind == 216) {
WhileOrUntil(
#line 2835 "VBNET.ATG"
out conditionType);
Expr(
#line 2835 "VBNET.ATG"
out expr);
}
#line 2837 "VBNET.ATG"
statement = new DoLoopStatement(expr, embeddedStatement, conditionType, ConditionPosition.End);
} else SynErr(274);
} else if (la.kind == 111) {
lexer.NextToken();
#line 2842 "VBNET.ATG"
Expression group = null;
TypeReference typeReference;
string typeName;
Location startLocation = t.Location;
if (la.kind == 97) {
lexer.NextToken();
LoopControlVariable(
#line 2849 "VBNET.ATG"
out typeReference, out typeName);
Expect(125);
Expr(
#line 2850 "VBNET.ATG"
out group);
EndOfStmt();
Block(
#line 2851 "VBNET.ATG"
out embeddedStatement);
Expect(149);
if (StartOf(29)) {
Expr(
#line 2852 "VBNET.ATG"
out expr);
}
#line 2854 "VBNET.ATG"
statement = new ForeachStatement(typeReference,
typeName,
group,
embeddedStatement,
expr);
statement.StartLocation = startLocation;
statement.EndLocation = t.EndLocation;
} else if (StartOf(38)) {
#line 2865 "VBNET.ATG"
Expression start = null;
Expression end = null;
Expression step = null;
Expression variableExpr = null;
Expression nextExpr = null;
List<Expression> nextExpressions = null;
if (
#line 2872 "VBNET.ATG"
IsLoopVariableDeclaration()) {
LoopControlVariable(
#line 2873 "VBNET.ATG"
out typeReference, out typeName);
} else {
#line 2875 "VBNET.ATG"
typeReference = null; typeName = null;
SimpleExpr(
#line 2876 "VBNET.ATG"
out variableExpr);
}
Expect(10);
Expr(
#line 2878 "VBNET.ATG"
out start);
Expect(201);
Expr(
#line 2878 "VBNET.ATG"
out end);
if (la.kind == 190) {
lexer.NextToken();
Expr(
#line 2878 "VBNET.ATG"
out step);
}
EndOfStmt();
Block(
#line 2879 "VBNET.ATG"
out embeddedStatement);
Expect(149);
if (StartOf(29)) {
Expr(
#line 2882 "VBNET.ATG"
out nextExpr);
#line 2884 "VBNET.ATG"
nextExpressions = new List<Expression>();
nextExpressions.Add(nextExpr);
while (la.kind == 12) {
lexer.NextToken();
Expr(
#line 2887 "VBNET.ATG"
out nextExpr);
#line 2887 "VBNET.ATG"
nextExpressions.Add(nextExpr);
}
}
#line 2890 "VBNET.ATG"
statement = new ForNextStatement {
TypeReference = typeReference,
VariableName = typeName,
LoopVariableExpression = variableExpr,
Start = start,
End = end,
Step = step,
EmbeddedStatement = embeddedStatement,
NextExpressions = nextExpressions
};
} else SynErr(275);
} else if (la.kind == 105) {
lexer.NextToken();
Expr(
#line 2903 "VBNET.ATG"
out expr);
#line 2903 "VBNET.ATG"
statement = new ErrorStatement(expr);
} else if (la.kind == 176) {
lexer.NextToken();
#line 2905 "VBNET.ATG"
bool isPreserve = false;
if (la.kind == 169) {
lexer.NextToken();
#line 2905 "VBNET.ATG"
isPreserve = true;
}
ReDimClause(
#line 2906 "VBNET.ATG"
out expr);
#line 2908 "VBNET.ATG"
ReDimStatement reDimStatement = new ReDimStatement(isPreserve);
statement = reDimStatement;
SafeAdd(reDimStatement, reDimStatement.ReDimClauses, expr as InvocationExpression);
while (la.kind == 12) {
lexer.NextToken();
ReDimClause(
#line 2912 "VBNET.ATG"
out expr);
#line 2913 "VBNET.ATG"
SafeAdd(reDimStatement, reDimStatement.ReDimClauses, expr as InvocationExpression);
}
} else if (la.kind == 104) {
lexer.NextToken();
Expr(
#line 2917 "VBNET.ATG"
out expr);
#line 2919 "VBNET.ATG"
EraseStatement eraseStatement = new EraseStatement();
if (expr != null) { SafeAdd(eraseStatement, eraseStatement.Expressions, expr);}
while (la.kind == 12) {
lexer.NextToken();
Expr(
#line 2922 "VBNET.ATG"
out expr);
#line 2922 "VBNET.ATG"
if (expr != null) { SafeAdd(eraseStatement, eraseStatement.Expressions, expr); }
}
#line 2923 "VBNET.ATG"
statement = eraseStatement;
} else if (la.kind == 191) {
lexer.NextToken();
#line 2925 "VBNET.ATG"
statement = new StopStatement();
} else if (
#line 2927 "VBNET.ATG"
la.kind == Tokens.If) {
Expect(122);
#line 2928 "VBNET.ATG"
Location ifStartLocation = t.Location;
Expr(
#line 2928 "VBNET.ATG"
out expr);
if (la.kind == 199) {
lexer.NextToken();
}
if (la.kind == 1 || la.kind == 11) {
EndOfStmt();
Block(
#line 2931 "VBNET.ATG"
out embeddedStatement);
#line 2933 "VBNET.ATG"
IfElseStatement ifStatement = new IfElseStatement(expr, embeddedStatement);
ifStatement.StartLocation = ifStartLocation;
Location elseIfStart;
while (la.kind == 99 ||
#line 2939 "VBNET.ATG"
IsElseIf()) {
if (
#line 2939 "VBNET.ATG"
IsElseIf()) {
Expect(98);
#line 2939 "VBNET.ATG"
elseIfStart = t.Location;
Expect(122);
} else {
lexer.NextToken();
#line 2940 "VBNET.ATG"
elseIfStart = t.Location;
}
#line 2942 "VBNET.ATG"
Expression condition = null; Statement block = null;
Expr(
#line 2943 "VBNET.ATG"
out condition);
if (la.kind == 199) {
lexer.NextToken();
}
EndOfStmt();
Block(
#line 2944 "VBNET.ATG"
out block);
#line 2946 "VBNET.ATG"
ElseIfSection elseIfSection = new ElseIfSection(condition, block);
elseIfSection.StartLocation = elseIfStart;
elseIfSection.EndLocation = t.Location;
elseIfSection.Parent = ifStatement;
ifStatement.ElseIfSections.Add(elseIfSection);
}
if (la.kind == 98) {
lexer.NextToken();
EndOfStmt();
Block(
#line 2955 "VBNET.ATG"
out embeddedStatement);
#line 2957 "VBNET.ATG"
ifStatement.FalseStatement.Add(embeddedStatement);
}
Expect(100);
Expect(122);
#line 2961 "VBNET.ATG"
ifStatement.EndLocation = t.Location;
statement = ifStatement;
} else if (StartOf(39)) {
#line 2966 "VBNET.ATG"
IfElseStatement ifStatement = new IfElseStatement(expr);
ifStatement.StartLocation = ifStartLocation;
SingleLineStatementList(
#line 2969 "VBNET.ATG"
ifStatement.TrueStatement);
if (la.kind == 98) {
lexer.NextToken();
if (StartOf(39)) {
SingleLineStatementList(
#line 2972 "VBNET.ATG"
ifStatement.FalseStatement);
}
}
#line 2974 "VBNET.ATG"
ifStatement.EndLocation = t.Location; statement = ifStatement;
} else SynErr(276);
} else if (la.kind == 182) {
lexer.NextToken();
if (la.kind == 61) {
lexer.NextToken();
}
Expr(
#line 2977 "VBNET.ATG"
out expr);
EndOfStmt();
#line 2978 "VBNET.ATG"
List<SwitchSection> selectSections = new List<SwitchSection>();
Statement block = null;
while (la.kind == 61) {
#line 2982 "VBNET.ATG"
List<CaseLabel> caseClauses = null; Location caseLocation = la.Location;
lexer.NextToken();
CaseClauses(
#line 2983 "VBNET.ATG"
out caseClauses);
if (
#line 2983 "VBNET.ATG"
IsNotStatementSeparator()) {
lexer.NextToken();
}
EndOfStmt();
#line 2985 "VBNET.ATG"
SwitchSection selectSection = new SwitchSection(caseClauses);
selectSection.StartLocation = caseLocation;
Block(
#line 2988 "VBNET.ATG"
out block);
#line 2990 "VBNET.ATG"
selectSection.Children = block.Children;
selectSection.EndLocation = t.EndLocation;
selectSections.Add(selectSection);
}
#line 2996 "VBNET.ATG"
statement = new SwitchStatement(expr, selectSections);
Expect(100);
Expect(182);
} else if (la.kind == 157) {
#line 2999 "VBNET.ATG"
OnErrorStatement onErrorStatement = null;
OnErrorStatement(
#line 3000 "VBNET.ATG"
out onErrorStatement);
#line 3000 "VBNET.ATG"
statement = onErrorStatement;
} else if (la.kind == 119) {
#line 3001 "VBNET.ATG"
GotoStatement goToStatement = null;
GotoStatement(
#line 3002 "VBNET.ATG"
out goToStatement);
#line 3002 "VBNET.ATG"
statement = goToStatement;
} else if (la.kind == 179) {
#line 3003 "VBNET.ATG"
ResumeStatement resumeStatement = null;
ResumeStatement(
#line 3004 "VBNET.ATG"
out resumeStatement);
#line 3004 "VBNET.ATG"
statement = resumeStatement;
} else if (StartOf(38)) {
#line 3007 "VBNET.ATG"
Expression val = null;
AssignmentOperatorType op;
bool mustBeAssignment = la.kind == Tokens.Plus || la.kind == Tokens.Minus ||
la.kind == Tokens.Not || la.kind == Tokens.Times;
SimpleExpr(
#line 3013 "VBNET.ATG"
out expr);
if (StartOf(40)) {
AssignmentOperator(
#line 3015 "VBNET.ATG"
out op);
Expr(
#line 3015 "VBNET.ATG"
out val);
#line 3015 "VBNET.ATG"
expr = new AssignmentExpression(expr, op, val);
} else if (la.kind == 1 || la.kind == 11 || la.kind == 98) {
#line 3016 "VBNET.ATG"
if (mustBeAssignment) Error("error in assignment.");
} else SynErr(277);
#line 3019 "VBNET.ATG"
// a field reference expression that stands alone is a
// invocation expression without parantheses and arguments
if(expr is MemberReferenceExpression || expr is IdentifierExpression) {
expr = new InvocationExpression(expr);
}
statement = new ExpressionStatement(expr);
} else if (la.kind == 60) {
lexer.NextToken();
SimpleExpr(
#line 3026 "VBNET.ATG"
out expr);
#line 3026 "VBNET.ATG"
statement = new ExpressionStatement(expr);
} else if (la.kind == 211) {
lexer.NextToken();
#line 3028 "VBNET.ATG"
Statement block;
if (
#line 3029 "VBNET.ATG"
Peek(1).kind == Tokens.As) {
#line 3030 "VBNET.ATG"
LocalVariableDeclaration resourceAquisition = new LocalVariableDeclaration(Modifiers.None);
VariableDeclarator(
#line 3031 "VBNET.ATG"
resourceAquisition.Variables);
while (la.kind == 12) {
lexer.NextToken();
VariableDeclarator(
#line 3033 "VBNET.ATG"
resourceAquisition.Variables);
}
Block(
#line 3035 "VBNET.ATG"
out block);
#line 3037 "VBNET.ATG"
statement = new UsingStatement(resourceAquisition, block);
} else if (StartOf(29)) {
Expr(
#line 3039 "VBNET.ATG"
out expr);
Block(
#line 3040 "VBNET.ATG"
out block);
#line 3041 "VBNET.ATG"
statement = new UsingStatement(new ExpressionStatement(expr), block);
} else SynErr(278);
Expect(100);
Expect(211);
} else if (StartOf(41)) {
LocalDeclarationStatement(
#line 3044 "VBNET.ATG"
out statement);
} else SynErr(279);
}
public virtual object VisitExitStatement(ExitStatement exitStatement, object data)
{
throw new global::System.NotImplementedException("ExitStatement");
}
public override object Visit(ExitStatement that, object value)
{
/** \todo Locate the parent node, most likely through a stack of already entered nodes. */
#if false
switch (that.Above.Kind)
{
case NodeKind.EntryStatement:
throw new WriterError(that.Cursor, "The construct 'exit entry' is never valid");
case NodeKind.FunctionStatement:
{
FunctionStatement above = (FunctionStatement) that.Above;
if (above.Profile.Type.Kind != NodeKind.NoneType)
throw new WriterError(that.Cursor, "Function returns a value so 'exit function' is invalid");
_writer.WriteLine("return");
break;
}
# if DONE
case NodeKind.MethodStatement:
{
MethodStatement above = (MethodStatement) that.Above;
if (above.Profile.Type.Kind != NodeKind.NoneType)
throw new WriterError(that.Cursor, "Method returns a value so 'exit method' is invalid");
_writer.WriteLine("return");
break;
}
# endif
default:
throw new WriterError(that.Cursor, "'exit' statement encountered in unknown context");
}
#endif
return null;
}
public virtual T Visit(ExitStatement stmt) => Visit(stmt as Statement);
public virtual object Visit(ExitStatement that, object value)
{
throw new System.NotImplementedException();
}
