public override void VisitUsingStatement(UsingStatement usingStatement)
{
inUsingStatementResourceAcquisition = true;
usingStatement.ResourceAcquisition.AcceptVisitor (this);
inUsingStatementResourceAcquisition = false;
usingStatement.EmbeddedStatement.AcceptVisitor (this);
}
public JNode VisitUsingStatement(UsingStatement node)
{
var st3 = Visit(node.ResourceAcquisition);
JVariableDeclarationStatement stVar;
if (st3 is JExpression)
{
stVar = J.Var("$r" + VariableResourceCounter++, node.Resolve().Type.JAccess(), (JExpression)st3).Statement();
}
else
{
stVar = (JVariableDeclarationStatement)st3;
}
var trySt = VisitStatement(node.EmbeddedStatement);
var st2 = new JTryStatement {
TryBlock = trySt.ToBlock(), FinallyBlock = J.Block()
};
//var resource = node.ResourceAcquisition;
//var decl = resource as VariableDeclarationStatement;
//if (decl == null || decl.Variables.Count == 0)
// throw new Exception("using statement is supported only with the var keyword in javascript. Example: using(var g = new MyDisposable()){}");
foreach (var dr in stVar.Declaration.Declarators)
{
st2.FinallyBlock.Add(J.Member(dr.Name).Member("Dispose").Invoke().Statement());
}
return(J.Block().Add(stVar).Add(st2)); //TODO: get rid of block
}
public UsingStatement TransformUsings(ExpressionStatement node)
{
Match m1 = variableAssignPattern.Match(node);
if (m1 == null)
{
return(null);
}
AstNode tryCatch = node.NextSibling;
Match m2 = usingTryCatchPattern.Match(tryCatch);
if (m2 == null)
{
return(null);
}
string variableName = m1.Get <IdentifierExpression>("variable").Single().Identifier;
if (variableName == m2.Get <IdentifierExpression>("ident").Single().Identifier)
{
if (m2.Has("valueType"))
{
// if there's no if(x!=null), then it must be a value type
ILVariable v = m1.Get("variable").Single().Annotation <ILVariable>();
if (v == null || v.Type == null || !v.Type.IsValueType)
{
return(null);
}
}
node.Remove();
BlockStatement body = m2.Get <BlockStatement>("body").Single();
UsingStatement usingStatement = new UsingStatement();
usingStatement.ResourceAcquisition = node.Expression.Detach();
usingStatement.EmbeddedStatement = body.Detach();
tryCatch.ReplaceWith(usingStatement);
// Move the variable declaration into the resource acquisition, if possible
// This is necessary for the foreach-pattern to work on the result of the using-pattern
VariableDeclarationStatement varDecl = FindVariableDeclaration(usingStatement, variableName);
if (varDecl != null && varDecl.Parent is BlockStatement)
{
Statement declarationPoint;
if (CanMoveVariableDeclarationIntoStatement(varDecl, usingStatement, out declarationPoint))
{
Debug.Assert(declarationPoint == usingStatement);
// Moving the variable into the UsingStatement is allowed:
usingStatement.ResourceAcquisition = new VariableDeclarationStatement {
Type = (AstType)varDecl.Type.Clone(),
Variables =
{
new VariableInitializer {
Name = variableName,
Initializer = m1.Get <Expression>("initializer").Single().Detach()
}.CopyAnnotationsFrom(usingStatement.ResourceAcquisition)
}
}.CopyAnnotationsFrom(node);
}
}
return(usingStatement);
}
return(null);
}
private static void GenerateUsingStatement(ScriptGenerator generator, MemberSymbol symbol,
UsingStatement statement)
{
GenerateVariableDeclarationStatement(generator, symbol, statement.Guard);
ScriptTextWriter writer = generator.Writer;
writer.WriteLine("try {");
writer.Indent++;
GenerateStatement(generator, symbol, statement.Body);
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine("finally {");
writer.Indent++;
foreach (VariableSymbol variable in statement.Guard.Variables)
{
writer.Write("if(");
writer.Write(variable.GeneratedName);
writer.WriteLine(") {");
writer.Indent++;
writer.Write(variable.GeneratedName);
writer.Write(".");
writer.Write(variable.ValueType.GetMember("Dispose").GeneratedName);
writer.WriteLine("();");
writer.Indent--;
writer.WriteLine("}");
}
writer.Indent--;
writer.WriteLine("}");
}
public object VisitUsingStatement(UsingStatement usingStatement, object data)
{
LocalVariableDeclaration varDecl = usingStatement.ResourceAcquisition as LocalVariableDeclaration;
Expression expr;
if (varDecl != null)
{
if (varDecl.Variables.Count != 1)
{
AddError(usingStatement, "Only one variable can be used with the using statement.");
return(null);
}
expr = new AssignmentExpression(new IdentifierExpression(varDecl.Variables[0].Name),
AssignmentOperatorType.Assign,
varDecl.Variables[0].Initializer);
}
else
{
ExpressionStatement se = usingStatement.ResourceAcquisition as ExpressionStatement;
if (se == null)
{
AddError(usingStatement, "Expected: VariableDeclaration or StatementExpression");
return(null);
}
expr = se.Expression;
}
return(CreateMacro(usingStatement, "using", usingStatement.EmbeddedStatement, expr));
}
public override ControlFlowNode VisitUsingStatement(UsingStatement usingStatement, ControlFlowNode data)
{
data = HandleEmbeddedStatement(usingStatement.ResourceAcquisition as Statement, data);
ControlFlowNode bodyEnd = HandleEmbeddedStatement(usingStatement.EmbeddedStatement, data);
return(CreateConnectedEndNode(usingStatement, bodyEnd));
}
public override void VisitUsingStatement(UsingStatement usingStatement)
{
inUsingStatementResourceAcquisition = true;
usingStatement.ResourceAcquisition.AcceptVisitor(this);
inUsingStatementResourceAcquisition = false;
usingStatement.EmbeddedStatement.AcceptVisitor(this);
}
public void UsingStatementWithExpression()
{
UsingStatement usingStmt = ParseUtilCSharp.ParseStatement <UsingStatement>("using (new MyVar()) { } ");
Assert.IsTrue(usingStmt.ResourceAcquisition is ObjectCreateExpression);
Assert.IsTrue(usingStmt.EmbeddedStatement is BlockStatement);
}
/// <summary>
/// Tests UsingStatement.cs
/// </summary>
public static void UsingStatement()
{
UsingStatement us = new UsingStatement();
us.FunctionWithUsingStatement();
us.FunctionWithTryFinally();
}
static async Task Main(string[] args)
{
// NOTE: Comment / Uncomment demoes as desired
await AsyncIterators.Demo();
DefaultInterfaceMembers.Demo();
IndicesAndRanges.Demo1();
IndicesAndRanges.Demo2();
IndicesAndRanges.Demo3();
IndicesAndRanges.Demo4();
IndicesAndRanges.Demo5();
NullableTypes.Demo();
Patterns.Demo1();
Patterns.Demo2();
ReadOnlyMembers.Demo1();
ReadOnlyMembers.Demo2();
StaticLocalFunctions.Demo1();
StaticLocalFunctions.Demo2();
SwitchExpressions.Demo1();
SwitchExpressions.Demo2();
UsingStatement.Demo1();
UsingStatement.Demo2();
Console.ReadKey();
await Task.CompletedTask;
}
public UnifiedElement VisitUsingStatement(UsingStatement stmt, object data)
{
var target = stmt.ResourceAcquisition.TryAcceptForExpression(this);
var body = stmt.EmbeddedStatement.TryAcceptForExpression(this).ToBlock();
return(UnifiedUsing.Create(target.ToSet(), body));
}
public virtual void VisitUsingStatement(UsingStatement usingStatement)
{
if (ThrowException)
{
throw (Exception)CreateException(usingStatement);
}
}
public virtual void VisitUsingStatement(UsingStatement usingStatement)
{
if (this.ThrowException)
{
throw (System.Exception) this.CreateException(usingStatement);
}
}
public override AstNode VisitUsingStatement(UsingStatement usingStatement)
{
var awaitSearch = new AwaitSearchVisitor(null);
usingStatement.AcceptVisitor(awaitSearch);
var awaiters = awaitSearch.GetAwaitExpressions().ToArray();
if (awaiters.Length > 0)
{
IEnumerable <AstNode> inner = null;
var res = usingStatement.ResourceAcquisition;
var varStat = res as VariableDeclarationStatement;
if (varStat != null)
{
inner = varStat.Variables.Skip(1);
res = varStat.Variables.First();
}
return(this.EmitUsing(usingStatement, res, inner, varStat));
}
return(base.VisitUsingStatement(usingStatement));
}
private Statement ProcessUsingStatement(UsingNode node)
{
UsingStatement statement = new UsingStatement();
statement.AddGuard((VariableDeclarationStatement)ProcessVariableDeclarationStatement((VariableDeclarationNode)node.Guard));
statement.AddBody(BuildStatement((StatementNode)node.Body));
return(statement);
}
// public virtual object Visit(ReDimClause reDimClause, object data)
// {
// Debug.Assert(reDimClause != null);
// Debug.Assert(reDimClause.Initializers != null);
// foreach (Expression e in reDimClause.Initializers) {
// Debug.Assert(e != null);
// e.AcceptVisitor(this, data);
// }
// return data;
// }
public virtual object Visit(UsingStatement usingStatement, object data)
{
Debug.Assert(usingStatement != null);
Debug.Assert(usingStatement.ResourceAcquisition != null);
Debug.Assert(usingStatement.EmbeddedStatement != null);
usingStatement.ResourceAcquisition.AcceptVisitor(this, data);
usingStatement.EmbeddedStatement.AcceptVisitor(this, data);
return(data);
}
public override object VisitUsingStatement(UsingStatement usingStatement, object data)
{
ForceSpacesBefore(usingStatement.LPar, policy.UsingParentheses);
ForceSpacesAfter(usingStatement.LPar, policy.WithinUsingParentheses);
ForceSpacesBefore(usingStatement.RPar, policy.WithinUsingParentheses);
return(base.VisitUsingStatement(usingStatement, data));
}
public void VBNetUsingStatementTest2()
{
string usingText = @"
Using nf As Font = New Font()
Bla(nf)
End Using";
UsingStatement usingStmt = ParseUtilVBNet.ParseStatement <UsingStatement>(usingText);
// TODO : Extend test.
}
public void VBNetUsingStatementTest3()
{
string usingText = @"
Using nf As New Font(), nf2 As New List(Of Font)(), nf3 = Nothing
Bla(nf)
End Using";
UsingStatement usingStmt = ParseUtilVBNet.ParseStatement <UsingStatement>(usingText);
// TODO : Extend test.
}
public override AstNode Visit(UsingStatement node)
{
// Visit the using member.
Expression member = node.GetMember();
member.Accept(this);
// Cast the pseudo-scope.
PseudoScope scope = (PseudoScope)node.GetScope();
// Get the member type.
IChelaType memberType = member.GetNodeType();
if (memberType.IsMetaType())
{
// Get the actual type.
MetaType meta = (MetaType)memberType;
memberType = meta.GetActualType();
// Only structure relatives.
if (memberType.IsStructure() || memberType.IsClass() || memberType.IsInterface())
{
scope.AddAlias(memberType.GetName(), (ScopeMember)memberType);
}
else
{
Error(node, "unexpected type.");
}
}
else if (memberType.IsReference())
{
// Only static members supported.
ScopeMember theMember = (ScopeMember)member.GetNodeValue();
MemberFlags instanceFlags = MemberFlags.InstanceMask & theMember.GetFlags();
if (instanceFlags != MemberFlags.Static)
{
Error(node, "unexpected member type.");
}
// Store the member.
scope.AddAlias(theMember.GetName(), theMember);
}
else if (memberType.IsNamespace())
{
// Set the namespace chain.
Namespace space = (Namespace)member.GetNodeValue();
scope.SetChainNamespace(space);
}
else
{
Error(node, "unsupported object to use.");
}
base.Visit(node);
return(node);
}
S IAstVisitor <T, S> .VisitUsingStatement(UsingStatement usingStatement, T data)
{
var handler = UsingStatementVisited;
if (handler != null)
{
handler(usingStatement, data);
}
return(VisitChildren(usingStatement, data));
}
public void UsingStatementWithVariableDeclaration()
{
UsingStatement usingStmt = ParseUtilCSharp.ParseStatement <UsingStatement>("using (MyVar var = new MyVar()) { } ");
VariableDeclarationStatement varDecl = (VariableDeclarationStatement)usingStmt.ResourceAcquisition;
Assert.AreEqual("var", varDecl.Variables.Single().Name);
Assert.IsTrue(varDecl.Variables.Single().Initializer is ObjectCreateExpression);
Assert.AreEqual("MyVar", ((SimpleType)varDecl.Type).Identifier);
Assert.IsTrue(usingStmt.EmbeddedStatement is BlockStatement);
}
public override IEnumerable <Expression> VisitUsingStatement(UsingStatement usingStatement)
{
if (usingStatement.ResourceAcquisition is Expression expr)
{
return new[] { expr }
}
;
return(usingStatement.ResourceAcquisition.AcceptVisitor(this));
}
public void VBNetUsingStatementTest()
{
string usingText = @"
Using nf As New System.Drawing.Font(""Arial"", 12.0F, FontStyle.Bold)
c.Font = nf
c.Text = ""This is 12-point Arial bold""
End Using";
UsingStatement usingStmt = ParseUtilVBNet.ParseStatement <UsingStatement>(usingText);
// TODO : Extend test.
}
public override DefiniteAssignmentStatus VisitUsingStatement(UsingStatement usingStatement, DefiniteAssignmentStatus data)
{
if (usingStatement.ResourceAcquisition is Expression)
{
return(usingStatement.ResourceAcquisition.AcceptVisitor(this, data));
}
else
{
return(data); // don't handle resource acquisition statements, as those are connected in the control flow graph
}
}
public override IEnumerable <Expression> VisitUsingStatement(UsingStatement usingStatement)
{
var expr = usingStatement.ResourceAcquisition as Expression;
if (expr != null)
{
return new [] { expr }
}
;
return(usingStatement.ResourceAcquisition.AcceptVisitor(this));
}
public override AstNode VisitUsingStatement(UsingStatement usingStatement, object data)
{
if (context.Settings.ForEachStatement)
{
AstNode result = TransformForeach(usingStatement);
if (result != null)
{
return(result);
}
}
return(base.VisitUsingStatement(usingStatement, data));
}
public IEnumerator GetEnumerator()
{
foreach (var filePath in Directory.GetFiles("TestCases"))
{
var testCase = new FormatTestCase();
testCase.FileName = Path.GetFileNameWithoutExtension(filePath);
using (var reader = new StreamReader(filePath))
{
testCase.ConfigurationString = reader.ReadLine();
reader.ReadLine().Should().Be("INPUT");
testCase.Input = new List <UsingStatement>();
while (true)
{
string line = reader.ReadLine();
if ((line == null) || (line == "OUTPUT"))
{
break;
}
if (UsingStatement.TryParse(line, out var statement))
{
testCase.Input.Add(statement);
}
}
var outputBuffer = new StringWriter();
while (true)
{
string line = reader.ReadLine();
if (line == null)
{
break;
}
outputBuffer.WriteLine(line);
}
testCase.ExpectedOutput = outputBuffer.ToString();
yield return(testCase);
}
}
}
public void A_UsingStatement_Is_Created()
{
const string code = "using System;";
CSharpParser parser = new CSharpParser();
IBaseConstruct bc = parser.ParseSingleConstruct(code, BaseConstructType.UsingDirective);
Assert.That(bc, Is.Not.Null);
Assert.That(bc, Is.InstanceOfType(typeof(UsingStatement)));
UsingStatement con = (UsingStatement)bc;
Assert.That(con.Value, Is.EqualTo("System"));
}
public override void VisitUsingStatement(UsingStatement usingStatement)
{
var awaitSearch = new AwaitSearchVisitor(null);
usingStatement.AcceptVisitor(awaitSearch);
var awaiters = awaitSearch.GetAwaitExpressions().ToArray();
if (awaiters.Length > 0)
{
this.Found = true;
}
base.VisitUsingStatement(usingStatement);
}
public void CSharpCodeGenerator_UsingStatement_WithoutBody()
{
var statement = new UsingStatement();
statement.Statement = new NewObjectExpression(new TypeReference("Disposable"));
var generator = new CSharpCodeGenerator();
var result = generator.Write(statement);
Assert.That.StringEquals(@"using (new Disposable())
{
}
", result);
}
public RemoveUsingStatementFromClassAction(UsingStatement usingStatementToDelete)
{
UsingStatementToDelete = usingStatementToDelete;
}
public override void VisitUsingStatement(UsingStatement usingStatement)
{
ForceSpacesBefore(usingStatement.LParToken, policy.SpaceBeforeUsingParentheses);
ForceSpacesAfter(usingStatement.LParToken, policy.SpacesWithinUsingParentheses);
ForceSpacesBefore(usingStatement.RParToken, policy.SpacesWithinUsingParentheses);
FixEmbeddedStatment(policy.StatementBraceStyle, policy.UsingBraceForcement, usingStatement.EmbeddedStatement);
}
public UsingStatement CreateUsingStatement(Block blockStatement)
{
var usingResult = new UsingStatement();
Mono.CSharp.Statement cur = blockStatement.Statements [0];
var u = cur as Using;
if (u != null) {
usingResult.AddChild(new CSharpTokenNode(Convert(u.loc), UsingStatement.UsingKeywordRole), UsingStatement.UsingKeywordRole);
usingResult.AddChild(new CSharpTokenNode(Convert(blockStatement.StartLocation), Roles.LPar), Roles.LPar);
if (u.Variables != null) {
var initializer = new VariableInitializer {
NameToken = Identifier.Create(u.Variables.Variable.Name, Convert(u.Variables.Variable.Location)),
};
var loc = LocationsBag.GetLocations(u.Variables);
if (loc != null)
initializer.AddChild(new CSharpTokenNode(Convert(loc [0]), Roles.Assign), Roles.Assign);
if (u.Variables.Initializer != null)
initializer.Initializer = u.Variables.Initializer.Accept(this) as Expression;
var varDec = new VariableDeclarationStatement {
Type = ConvertToType(u.Variables.TypeExpression),
Variables = { initializer }
};
if (u.Variables.Declarators != null) {
foreach (var decl in u.Variables.Declarators) {
var declLoc = LocationsBag.GetLocations(decl);
var init = new VariableInitializer();
if (declLoc != null && declLoc.Count > 0)
varDec.AddChild(new CSharpTokenNode(Convert(declLoc [0]), Roles.Comma), Roles.Comma);
init.AddChild(Identifier.Create(decl.Variable.Name, Convert(decl.Variable.Location)), Roles.Identifier);
if (decl.Initializer != null) {
if (declLoc != null && declLoc.Count > 1)
init.AddChild(new CSharpTokenNode(Convert(declLoc [1]), Roles.Assign), Roles.Assign);
init.AddChild((Expression)decl.Initializer.Accept(this), Roles.Expression);
}
varDec.AddChild(init, Roles.Variable);
}
}
usingResult.AddChild(varDec, UsingStatement.ResourceAcquisitionRole);
}
cur = u.Statement;
usingResult.AddChild(new CSharpTokenNode(Convert(blockStatement.EndLocation), Roles.RPar), Roles.RPar);
if (cur != null)
usingResult.AddChild((Statement)cur.Accept(this), Roles.EmbeddedStatement);
}
return usingResult;
}
public virtual void VisitUsingStatement (UsingStatement usingStatement)
{
VisitChildren (usingStatement);
}
void EmbeddedStatement(
#line 1528 "cs.ATG"
out Statement statement) {
#line 1530 "cs.ATG"
TypeReference type = null;
Expression expr = null;
Statement embeddedStatement = null;
statement = null;
#line 1536 "cs.ATG"
Location startLocation = la.Location;
if (la.kind == 16) {
Block(
#line 1538 "cs.ATG"
out statement);
} else if (la.kind == 11) {
lexer.NextToken();
#line 1541 "cs.ATG"
statement = new EmptyStatement();
} else if (
#line 1544 "cs.ATG"
UnCheckedAndLBrace()) {
#line 1544 "cs.ATG"
Statement block; bool isChecked = true;
if (la.kind == 58) {
lexer.NextToken();
} else if (la.kind == 118) {
lexer.NextToken();
#line 1545 "cs.ATG"
isChecked = false;
} else SynErr(197);
Block(
#line 1546 "cs.ATG"
out block);
#line 1546 "cs.ATG"
statement = isChecked ? (Statement)new CheckedStatement(block) : (Statement)new UncheckedStatement(block);
} else if (la.kind == 79) {
IfStatement(
#line 1549 "cs.ATG"
out statement);
} else if (la.kind == 110) {
lexer.NextToken();
#line 1551 "cs.ATG"
List<SwitchSection> switchSections = new List<SwitchSection>();
Expect(20);
Expr(
#line 1552 "cs.ATG"
out expr);
Expect(21);
Expect(16);
SwitchSections(
#line 1553 "cs.ATG"
switchSections);
Expect(17);
#line 1555 "cs.ATG"
statement = new SwitchStatement(expr, switchSections);
} else if (la.kind == 125) {
lexer.NextToken();
Expect(20);
Expr(
#line 1558 "cs.ATG"
out expr);
Expect(21);
EmbeddedStatement(
#line 1559 "cs.ATG"
out embeddedStatement);
#line 1560 "cs.ATG"
statement = new DoLoopStatement(expr, embeddedStatement, ConditionType.While, ConditionPosition.Start);
} else if (la.kind == 65) {
lexer.NextToken();
EmbeddedStatement(
#line 1562 "cs.ATG"
out embeddedStatement);
Expect(125);
Expect(20);
Expr(
#line 1563 "cs.ATG"
out expr);
Expect(21);
Expect(11);
#line 1564 "cs.ATG"
statement = new DoLoopStatement(expr, embeddedStatement, ConditionType.While, ConditionPosition.End);
} else if (la.kind == 76) {
lexer.NextToken();
#line 1566 "cs.ATG"
List<Statement> initializer = null; List<Statement> iterator = null;
Expect(20);
if (StartOf(6)) {
ForInitializer(
#line 1567 "cs.ATG"
out initializer);
}
Expect(11);
if (StartOf(6)) {
Expr(
#line 1568 "cs.ATG"
out expr);
}
Expect(11);
if (StartOf(6)) {
ForIterator(
#line 1569 "cs.ATG"
out iterator);
}
Expect(21);
EmbeddedStatement(
#line 1570 "cs.ATG"
out embeddedStatement);
#line 1571 "cs.ATG"
statement = new ForStatement(initializer, expr, iterator, embeddedStatement);
} else if (la.kind == 77) {
lexer.NextToken();
Expect(20);
Type(
#line 1573 "cs.ATG"
out type);
Identifier();
#line 1573 "cs.ATG"
string varName = t.val;
Expect(81);
Expr(
#line 1574 "cs.ATG"
out expr);
Expect(21);
EmbeddedStatement(
#line 1575 "cs.ATG"
out embeddedStatement);
#line 1576 "cs.ATG"
statement = new ForeachStatement(type, varName , expr, embeddedStatement);
} else if (la.kind == 53) {
lexer.NextToken();
Expect(11);
#line 1579 "cs.ATG"
statement = new BreakStatement();
} else if (la.kind == 61) {
lexer.NextToken();
Expect(11);
#line 1580 "cs.ATG"
statement = new ContinueStatement();
} else if (la.kind == 78) {
GotoStatement(
#line 1581 "cs.ATG"
out statement);
} else if (
#line 1583 "cs.ATG"
IsYieldStatement()) {
Expect(132);
if (la.kind == 101) {
lexer.NextToken();
Expr(
#line 1584 "cs.ATG"
out expr);
#line 1584 "cs.ATG"
statement = new YieldStatement(new ReturnStatement(expr));
} else if (la.kind == 53) {
lexer.NextToken();
#line 1585 "cs.ATG"
statement = new YieldStatement(new BreakStatement());
} else SynErr(198);
Expect(11);
} else if (la.kind == 101) {
lexer.NextToken();
if (StartOf(6)) {
Expr(
#line 1588 "cs.ATG"
out expr);
}
Expect(11);
#line 1588 "cs.ATG"
statement = new ReturnStatement(expr);
} else if (la.kind == 112) {
lexer.NextToken();
if (StartOf(6)) {
Expr(
#line 1589 "cs.ATG"
out expr);
}
Expect(11);
#line 1589 "cs.ATG"
statement = new ThrowStatement(expr);
} else if (StartOf(6)) {
StatementExpr(
#line 1592 "cs.ATG"
out statement);
while (!(la.kind == 0 || la.kind == 11)) {SynErr(199); lexer.NextToken(); }
Expect(11);
} else if (la.kind == 114) {
TryStatement(
#line 1595 "cs.ATG"
out statement);
} else if (la.kind == 86) {
lexer.NextToken();
Expect(20);
Expr(
#line 1598 "cs.ATG"
out expr);
Expect(21);
EmbeddedStatement(
#line 1599 "cs.ATG"
out embeddedStatement);
#line 1599 "cs.ATG"
statement = new LockStatement(expr, embeddedStatement);
} else if (la.kind == 121) {
#line 1602 "cs.ATG"
Statement resourceAcquisitionStmt = null;
lexer.NextToken();
Expect(20);
ResourceAcquisition(
#line 1604 "cs.ATG"
out resourceAcquisitionStmt);
Expect(21);
EmbeddedStatement(
#line 1605 "cs.ATG"
out embeddedStatement);
#line 1605 "cs.ATG"
statement = new UsingStatement(resourceAcquisitionStmt, embeddedStatement);
} else if (la.kind == 119) {
lexer.NextToken();
Block(
#line 1608 "cs.ATG"
out embeddedStatement);
#line 1608 "cs.ATG"
statement = new UnsafeStatement(embeddedStatement);
} else if (la.kind == 74) {
#line 1610 "cs.ATG"
Statement pointerDeclarationStmt = null;
lexer.NextToken();
Expect(20);
ResourceAcquisition(
#line 1612 "cs.ATG"
out pointerDeclarationStmt);
Expect(21);
EmbeddedStatement(
#line 1613 "cs.ATG"
out embeddedStatement);
#line 1613 "cs.ATG"
statement = new FixedStatement(pointerDeclarationStmt, embeddedStatement);
} else SynErr(200);
#line 1615 "cs.ATG"
if (statement != null) {
statement.StartLocation = startLocation;
statement.EndLocation = t.EndLocation;
}
}
public void UsingStatement()
{
UsingStatement inter = new UsingStatement(controller, "IntelliMerge", "ArchAngel.Workbench.IntelliMerge");
Assert.That(inter.IsTheSame(inter.Clone(), ComparisonDepth.Outer), Is.True);
}
public override object Visit (Using usingStatement)
{
var result = new UsingStatement ();
var location = LocationsBag.GetLocations (usingStatement);
result.AddChild (new CSharpTokenNode (Convert (usingStatement.loc), "using".Length), UsingStatement.Roles.Keyword);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), UsingStatement.Roles.LPar);
result.AddChild ((AstNode)usingStatement.Expression.Accept (this), UsingStatement.ResourceAcquisitionRole);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[1]), 1), UsingStatement.Roles.RPar);
result.AddChild ((MonoDevelop.CSharp.Ast.Statement)usingStatement.Statement.Accept (this), UsingStatement.Roles.EmbeddedStatement);
return result;
}
public override void VisitUsingStatement(UsingStatement usingStatement)
{
VisitNewDeclarationSpace(usingStatement);
}
public override object VisitUsingStatement(UsingStatement usingStatement, object data)
{
UnlockWith(usingStatement);
return base.VisitUsingStatement(usingStatement, data);
}
public override object VisitUsingStatement(UsingStatement usingStatement, object data)
{
// uses LocalVariableDeclaration, we just have to put the end location on the stack
if (usingStatement.EmbeddedStatement.EndLocation.IsEmpty) {
return base.VisitUsingStatement(usingStatement, data);
} else {
endLocationStack.Push(usingStatement.EmbeddedStatement.EndLocation);
base.VisitUsingStatement(usingStatement, data);
endLocationStack.Pop();
return null;
}
}
public override void VisitUsingStatement(UsingStatement usingStatement)
{
ForceSpacesBeforeRemoveNewLines(usingStatement.LParToken, policy.SpaceBeforeUsingParentheses);
Align(usingStatement.LParToken, usingStatement.ResourceAcquisition, policy.SpacesWithinUsingParentheses);
ForceSpacesBeforeRemoveNewLines(usingStatement.RParToken, policy.SpacesWithinUsingParentheses);
FixEmbeddedStatment(policy.StatementBraceStyle, usingStatement.EmbeddedStatement);
}
public UsingStatement CreateUsingStatement (Block blockStatement)
{
var usingResult = new UsingStatement ();
Statement cur = blockStatement.Statements[0];
if (cur is Using) {
Using u = (Using)cur;
usingResult.AddChild (new CSharpTokenNode (Convert (u.loc), "using".Length), UsingStatement.Roles.Keyword);
usingResult.AddChild (new CSharpTokenNode (Convert (blockStatement.StartLocation), 1), UsingStatement.Roles.LPar);
if (u.Variables != null) {
usingResult.AddChild ((INode)u.Variables.TypeExpression.Accept (this), UsingStatement.Roles.ReturnType);
usingResult.AddChild (new Identifier (u.Variables.Variable.Name, Convert (u.Variables.Variable.Location)), UsingStatement.Roles.Identifier);
var loc = LocationsBag.GetLocations (u.Variables);
if (loc != null)
usingResult.AddChild (new CSharpTokenNode (Convert (loc[1]), 1), ContinueStatement.Roles.Assign);
if (u.Variables.Initializer != null)
usingResult.AddChild ((INode)u.Variables.Initializer.Accept (this), UsingStatement.Roles.Initializer);
}
cur = u.Statement;
usingResult.AddChild (new CSharpTokenNode (Convert (blockStatement.EndLocation), 1), UsingStatement.Roles.RPar);
usingResult.AddChild ((INode)cur.Accept (this), UsingStatement.Roles.EmbeddedStatement);
}
return usingResult;
}
public UsingStatement CreateUsingStatement (Block blockStatement)
{
var usingResult = new UsingStatement ();
var location = LocationsBag.GetLocations (blockStatement);
if (location != null)
usingResult.AddChild (new CSharpTokenNode (Convert (location[0]), "using".Length), UsingStatement.Roles.Keyword);
if (location != null)
usingResult.AddChild (new CSharpTokenNode (Convert (location[1]), 1), UsingStatement.Roles.LPar);
Statement cur = blockStatement.Statements[0];
while (cur is Using) {
Using u = (Using)cur;
if (u.Var != null)
usingResult.AddChild ((INode)u.Var.Accept (this), UsingStatement.Roles.Identifier);
if (u.Init != null)
usingResult.AddChild ((INode)u.Init.Accept (this), UsingStatement.Roles.Initializer);
cur = u.EmbeddedStatement;
}
if (location != null)
usingResult.AddChild (new CSharpTokenNode (Convert (location[2]), 1), UsingStatement.Roles.RPar);
usingResult.AddChild ((INode)cur.Accept (this), UsingStatement.Roles.EmbeddedStatement);
return usingResult;
}
public AddUsingStatementToClassAction(Class classToAddTo, UsingStatement usingStatementToAdd)
{
ClassToAddTo = classToAddTo;
UsingStatementToAdd = usingStatementToAdd;
}
public override void VisitUsingStatement(UsingStatement usingStatement)
{
new UsingBlock(this, usingStatement).Emit();
}
public virtual void VisitUsingStatement(UsingStatement usingStatement)
{
if (this.ThrowException)
{
throw (Exception)this.CreateException(usingStatement);
}
}
public VBUsingStatementPrinter(UsingStatement obj)
{
this.obj = obj;
}
public virtual void VisitUsingStatement(UsingStatement usingStatement)
{
StartNode(usingStatement);
WriteKeywordReference(UsingStatement.UsingKeywordRole);
Space(policy.SpaceBeforeUsingParentheses);
var braceHelper = BraceHelper.LeftParen(this, CodeBracesRangeFlags.Parentheses);
Space(policy.SpacesWithinUsingParentheses);
DebugStart(usingStatement);
usingStatement.ResourceAcquisition.AcceptVisitor(this);
DebugEnd(usingStatement);
Space(policy.SpacesWithinUsingParentheses);
braceHelper.RightParen();
WriteEmbeddedStatement(usingStatement.EmbeddedStatement);
EndNode(usingStatement);
}
public bool Equals( UsingStatement obj )
{
if (ReferenceEquals( null, obj )) return false;
if (ReferenceEquals( this, obj )) return true;
return Equals( obj.@namespace, this.@namespace );
}
public override void VisitUsingStatement(UsingStatement usingStatement) {
var stmt = CreateInnerCompiler().Compile(usingStatement.EmbeddedStatement);
var vds = usingStatement.ResourceAcquisition as VariableDeclarationStatement;
if (vds != null) {
foreach (var resource in vds.Variables.Reverse()) {
stmt = GenerateUsingBlock(((LocalResolveResult)_resolver.Resolve(resource)), resource.Initializer, usingStatement.GetRegion(), stmt);
}
}
else {
var resource = CreateTemporaryVariable(_resolver.Resolve((Expression)usingStatement.ResourceAcquisition).Type, usingStatement.GetRegion());
stmt = GenerateUsingBlock(new LocalResolveResult(resource), (Expression)usingStatement.ResourceAcquisition, usingStatement.GetRegion(), stmt);
}
_result.Add(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 UsingStatement CreateUsingStatement (Block blockStatement)
{
var usingResult = new UsingStatement ();
Mono.CSharp.Statement cur = blockStatement.Statements[0];
if (cur is Using) {
Using u = (Using)cur;
usingResult.AddChild (new CSharpTokenNode (Convert (u.loc), "using".Length), UsingStatement.Roles.Keyword);
usingResult.AddChild (new CSharpTokenNode (Convert (blockStatement.StartLocation), 1), UsingStatement.Roles.LPar);
if (u.Variables != null) {
var initializer = new VariableInitializer () {
NameToken = Identifier.Create (u.Variables.Variable.Name, Convert (u.Variables.Variable.Location)),
};
var loc = LocationsBag.GetLocations (u.Variables);
if (loc != null)
initializer.AddChild (new CSharpTokenNode (Convert (loc[0]), 1), VariableInitializer.Roles.Assign);
if (u.Variables.Initializer != null)
initializer.Initializer = u.Variables.Initializer.Accept (this) as Expression;
var varDec = new VariableDeclarationStatement () {
Type = ConvertToType (u.Variables.TypeExpression),
Variables = { initializer }
};
usingResult.AddChild (varDec, UsingStatement.ResourceAcquisitionRole);
}
cur = u.Statement;
usingResult.AddChild (new CSharpTokenNode (Convert (blockStatement.EndLocation), 1), UsingStatement.Roles.RPar);
if (cur != null)
usingResult.AddChild ((Statement)cur.Accept (this), UsingStatement.Roles.EmbeddedStatement);
}
return usingResult;
}
/// <summary>
/// Visits the specified using statement.
/// </summary>
/// <param name="usingStatement">The using statement.</param>
public override void Visit(UsingStatement usingStatement)
{
WriteLinkLine(usingStatement);
Write("using ").Write(usingStatement.Name).WriteLine(";");
}
public override object Visit(Using usingStatement)
{
var result = new UsingStatement();
var location = LocationsBag.GetLocations(usingStatement);
result.AddChild(new CSharpTokenNode(Convert(usingStatement.loc), UsingStatement.UsingKeywordRole), UsingStatement.UsingKeywordRole);
if (location != null)
result.AddChild(new CSharpTokenNode(Convert(location [0]), Roles.LPar), Roles.LPar);
if (usingStatement.Expr != null)
result.AddChild((AstNode)usingStatement.Expr.Accept(this), UsingStatement.ResourceAcquisitionRole);
if (location != null && location.Count > 1)
result.AddChild(new CSharpTokenNode(Convert(location [1]), Roles.RPar), Roles.RPar);
if (usingStatement.Statement != null)
result.AddChild((Statement)usingStatement.Statement.Accept(this), Roles.EmbeddedStatement);
return result;
}
public void UsingStatement_Change_Value()
{
UsingStatement merged1 = new UsingStatement(controller);
UsingStatement merged2 = new UsingStatement(controller);
UsingStatement merged3 = new UsingStatement(controller);
const string Alias = "MyAlias1";
const string Value1 = "MyValue1";
const string Value2 = "MyValue2";
UsingStatement unchanging = new UsingStatement(controller, Alias, Value1);
UsingStatement changing = new UsingStatement(controller, Alias, Value2);
const string expectedResult = "using " + Alias + " = " + Value2;
Merge_And_Assert(merged1, merged2, merged3, changing, unchanging, expectedResult);
}
public override object Visit (UsingTemporary usingTemporary)
{
var result = new UsingStatement ();
var location = LocationsBag.GetLocations (usingTemporary);
result.AddChild (new CSharpTokenNode (Convert (usingTemporary.loc), "using".Length), UsingStatement.Roles.Keyword);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), UsingStatement.Roles.LPar);
result.AddChild ((INode)usingTemporary.Expr.Accept (this), UsingStatement.Roles.Initializer);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[1]), 1), UsingStatement.Roles.RPar);
result.AddChild ((INode)usingTemporary.Statement.Accept (this), UsingStatement.Roles.EmbeddedStatement);
return result;
}
public StringBuilder VisitUsingStatement(UsingStatement usingStatement, int data)
{
throw new SLSharpException("SL# does not have the using keyword.");
}
public void VisitUsingStatement(UsingStatement usingStatement)
{
StartNode(usingStatement);
WriteKeyword(UsingStatement.UsingKeywordRole);
Space(policy.SpaceBeforeUsingParentheses);
LPar();
Space(policy.SpacesWithinUsingParentheses);
usingStatement.ResourceAcquisition.AcceptVisitor(this);
Space(policy.SpacesWithinUsingParentheses);
RPar();
WriteEmbeddedStatement(usingStatement.EmbeddedStatement);
EndNode(usingStatement);
}
public UsingBlock(IEmitter emitter, UsingStatement usingStatement)
: base(emitter, usingStatement)
{
this.Emitter = emitter;
this.UsingStatement = usingStatement;
}
