public void FindOutermostExceptionScopeWithin_MultipleLevelsOfNesting_FoundOuter()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var homeScope = new StatementScope(new StatementBlock());
var nestedScope1 = new StatementScope(new StatementBlock());
var outerTryStatement = new TryStatement(() => { });
var outerTryScope = new StatementScope(new StatementBlock(), outerTryStatement, ExceptionBlockType.Try);
var innerTryStatement = new TryStatement(() => { });
var innerTryScope = new StatementScope(new StatementBlock(), innerTryStatement, ExceptionBlockType.Try);
var nestedScope2 = new StatementScope(new StatementBlock());
//-- Act
var result = StatementScope.Current.FindOutermostTryStatementWithin(homeScope);
//-- Assert
Assert.That(StatementScope.Current.Depth, Is.EqualTo(5));
Assert.That(result, Is.SameAs(outerTryStatement));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------
public NewStructExpression(IOperand[] constructorArguments = null)
{
m_StatementScope = StatementScope.Current;
m_StructType = TypeTemplate.Resolve <TStruct>();
m_ConstructorArguments = (constructorArguments ?? new IOperand[0]);
if (m_ConstructorArguments.Length > 0)
{
var argumentTypes = m_ConstructorArguments.Select(arg => arg.OperandType).ToArray();
m_Constructor = m_StructType.GetConstructor(argumentTypes);
if (m_Constructor == null)
{
throw new ArgumentException("Could not find constructor with specified argument types.");
}
foreach (var argument in m_ConstructorArguments.Reverse())
{
m_StatementScope.Consume(argument);
}
}
m_StatementScope.RegisterExpressionStatement(this);
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------
protected void WriteMethodBody(MethodWriterBase methodWriter)
{
using (StatementScope.Stash())
{
using (new StatementScope(m_OwnerClass, methodWriter, statementBlock: m_Statements))
{
methodWriter.Flush();
}
}
}
public void RootScope_AttemptCreateNestedRoot_Throws()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
//-- Act
var nestedRootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
}
public void NoExceptionScope_ThisAndInheritedHaveNoValues()
{
//-- Act
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
//-- Assert
Assert.That(StatementScope.Current.ThisExceptionBlockType, Is.EqualTo(ExceptionBlockType.None));
Assert.That(StatementScope.Current.ThisExceptionStatement, Is.Null);
Assert.That(StatementScope.Current.InheritedExceptionBlockType, Is.EqualTo(ExceptionBlockType.None));
Assert.That(StatementScope.Current.InheritedExceptionStatement, Is.Null);
}
public void SetUp()
{
StatementScope.Cleanup();
var key = new TypeKey(baseType: typeof(object));
m_Class = m_Module.DefineClass(key.BaseType, key, Guid.NewGuid().ToString());
var classBody = new ImplementationClassWriter <object>(m_Class);
classBody.Method <string>(x => x.ToString).Implement(m => { });
m_Method = m_Class.GetMemberByName <MethodMember>("ToString");
}
public void FindOutermostExceptionScopeWithin_InsideFinally_Throw()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var homeScope = new StatementScope(new StatementBlock());
var tryStatement = new TryStatement(() => { });
var finallyScope = new StatementScope(new StatementBlock(), tryStatement, ExceptionBlockType.Finally);
//-- Act
var result = StatementScope.Current.FindOutermostTryStatementWithin(homeScope);
}
public void FindOutermostExceptionScopeWithin_RootScope_NotFound()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
//-- Act
var result = StatementScope.Current.FindOutermostTryStatementWithin(rootScope);
//-- Assert
Assert.That(result, Is.Null);
}
public void RegisterNonExpressionOperand_NothingHappens()
{
//-- Arrange
var statements = new StatementBlock();
var rootScope = new StatementScope(m_Class, m_Method, statements);
//-- Act
rootScope.RegisterExpressionStatement(expression: null);
//-- Assert
Assert.That(statements.Count, Is.EqualTo(0));
}
public void FindOutermostExceptionScopeWithin_NestedScopesNoException_NotFound()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var innerScope1 = new StatementScope(new StatementBlock());
var innerScope2 = new StatementScope(new StatementBlock());
//-- Act
var result = StatementScope.Current.FindOutermostTryStatementWithin(rootScope);
//-- Assert
Assert.That(StatementScope.Current.Depth, Is.EqualTo(2));
Assert.That(result, Is.Null);
}
public void RegisterExpressionStatement_AddedToStatementList()
{
//-- Arrange
var statements = new StatementBlock();
var rootScope = new StatementScope(m_Class, m_Method, statements);
//-- Act
var expression = new UnaryExpressionOperand <int, int>(new UnaryOperators.OperatorNegation <int>(), new Constant <int>(111));
//-- Assert
Assert.That(statements.Count, Is.EqualTo(1));
Assert.That(statements[0], Is.InstanceOf <ExpressionStatement>());
Assert.That(((ExpressionStatement)statements[0]).Expression, Is.SameAs(expression));
}
public void FindOutermostExceptionScopeWithin_RootExceptionHomeInner_NotFound()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var tryScope = new StatementScope(new StatementBlock(), new TryStatement(() => { }), ExceptionBlockType.Try);
var homeScope = new StatementScope(new StatementBlock());
var innerScope = new StatementScope(new StatementBlock());
//-- Act
var result = StatementScope.Current.FindOutermostTryStatementWithin(homeScope);
//-- Assert
Assert.That(StatementScope.Current.Depth, Is.EqualTo(3));
Assert.That(result, Is.Null);
}
public void ExceptionScope_ThisAndInheritedHaveSameValues()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var tryStatement = new TryStatement(() => { });
//-- Act
var tryScope = new StatementScope(new StatementBlock(), tryStatement, ExceptionBlockType.Try);
//-- Assert
Assert.That(StatementScope.Current.ThisExceptionBlockType, Is.EqualTo(ExceptionBlockType.Try));
Assert.That(StatementScope.Current.ThisExceptionStatement, Is.SameAs(tryStatement));
Assert.That(StatementScope.Current.InheritedExceptionBlockType, Is.EqualTo(ExceptionBlockType.Try));
Assert.That(StatementScope.Current.InheritedExceptionStatement, Is.SameAs(tryStatement));
}
public void RegisterExpressionAndContainingExpression_ContainedExpressionConsumed()
{
//-- Arrange
var statements = new StatementBlock();
var rootScope = new StatementScope(m_Class, m_Method, statements);
//-- Act
var innerExpression = new UnaryExpressionOperand <int, int>(new UnaryOperators.OperatorNegation <int>(), m_Method.TransparentWriter.Const(111));
var outerExpression = new UnaryExpressionOperand <int, int>(new UnaryOperators.OperatorPlus <int>(), innerExpression);
//-- Assert
Assert.That(statements.Count, Is.EqualTo(1));
Assert.That(statements[0], Is.InstanceOf <ExpressionStatement>());
Assert.That(((ExpressionStatement)statements[0]).Expression, Is.SameAs(outerExpression));
}
public void RootScope_InitialState()
{
//-- Act
var scope = new StatementScope(m_Class, m_Method, new StatementBlock());
//-- Assert
Assert.That(scope.OwnerClass, Is.SameAs(m_Class));
Assert.That(scope.OwnerMethod, Is.SameAs(m_Method));
Assert.That(scope.Depth, Is.EqualTo(0));
Assert.That(scope.Previous, Is.Null);
Assert.That(scope.Root, Is.SameAs(scope));
Assert.That(scope.ThisExceptionBlockType, Is.EqualTo(ExceptionBlockType.None));
Assert.That(scope.ThisExceptionStatement, Is.Null);
Assert.That(scope.InheritedExceptionBlockType, Is.EqualTo(ExceptionBlockType.None));
Assert.That(scope.InheritedExceptionStatement, Is.Null);
}
public void Current_RootScope_CreateAndDispose()
{
//-- Act
var scope = new StatementScope(m_Class, m_Method, new StatementBlock());
var existsInside = StatementScope.Exists;
var currentInside = StatementScope.Current;
scope.Dispose();
var existsAfter = StatementScope.Exists;
//-- Assert
Assert.That(existsInside, Is.True);
Assert.That(currentInside, Is.SameAs(scope));
Assert.That(existsAfter, Is.False);
}
public void FindOutermostExceptionScopeWithin_RootHomeException_Found()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var homeScope = new StatementScope(new StatementBlock());
var tryStatement = new TryStatement(() => { });
var tryScope = new StatementScope(new StatementBlock(), tryStatement, ExceptionBlockType.Try);
//-- Act
var result = StatementScope.Current.FindOutermostTryStatementWithin(homeScope);
//-- Assert
Assert.That(StatementScope.Current.Depth, Is.EqualTo(2));
Assert.That(result, Is.SameAs(tryStatement));
}
public void ScopeNestedInExceptionScope_ThisHasNoValue_InheritedHasValue()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var tryStatement = new TryStatement(() => { });
var tryScope = new StatementScope(new StatementBlock(), tryStatement, ExceptionBlockType.Try);
//-- Act
var innerScope = new StatementScope(new StatementBlock());
//-- Assert
Assert.That(StatementScope.Current.ThisExceptionBlockType, Is.EqualTo(ExceptionBlockType.None));
Assert.That(StatementScope.Current.ThisExceptionStatement, Is.Null);
Assert.That(StatementScope.Current.InheritedExceptionBlockType, Is.EqualTo(ExceptionBlockType.Try));
Assert.That(StatementScope.Current.InheritedExceptionStatement, Is.SameAs(tryStatement));
}
public void FindOutermostExceptionScopeWithin_RootFinallyHomeCatch_DoNotThrow_Found()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
var outerTryStatement = new TryStatement(() => { });
var outerFinallyScope = new StatementScope(new StatementBlock(), outerTryStatement, ExceptionBlockType.Finally);
var homeScope = new StatementScope(new StatementBlock());
var innerTryStatement = new TryStatement(() => { });
var innerCatchScope = new StatementScope(new StatementBlock(), innerTryStatement, ExceptionBlockType.Catch);
//-- Act
var result = StatementScope.Current.FindOutermostTryStatementWithin(homeScope);
//-- Assert
Assert.That(result, Is.SameAs(innerTryStatement));
}
public void Current_NestedScope_CreateAndDispose()
{
//-- Arrange
var rootScope = new StatementScope(m_Class, m_Method, new StatementBlock());
//-- Act
var nestedScope = new StatementScope(new StatementBlock());
var existsInsideNested = StatementScope.Exists;
var currentInsideNested = StatementScope.Current;
var previousInsideNested = StatementScope.Current.Previous;
var rootInsideNested = StatementScope.Current.Root;
var depthInsideNested = StatementScope.Current.Depth;
nestedScope.Dispose();
var existsAfterNested = StatementScope.Exists;
var currentAfterNested = StatementScope.Current;
var previousAfterNested = StatementScope.Current.Previous;
var rootAfterNested = StatementScope.Current.Root;
var depthAfterNested = StatementScope.Current.Depth;
//-- Assert
Assert.That(existsInsideNested, Is.True);
Assert.That(currentInsideNested, Is.SameAs(nestedScope));
Assert.That(previousInsideNested, Is.SameAs(rootScope));
Assert.That(rootInsideNested, Is.SameAs(rootScope));
Assert.That(depthInsideNested, Is.EqualTo(1));
Assert.That(existsAfterNested, Is.True);
Assert.That(currentAfterNested, Is.SameAs(rootScope));
Assert.That(previousAfterNested, Is.Null);
Assert.That(rootAfterNested, Is.SameAs(rootScope));
Assert.That(depthAfterNested, Is.EqualTo(0));
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------
private void WriteClosureInstanceInitialization()
{
using (TypeTemplate.CreateScope <TypeTemplate.TClosure>(m_ClosureClass.TypeBuilder))
{
using (var scope = new StatementScope(m_HostScopeBlock, StatementScope.RewriteMode.On))
{
var scopeRewriter = m_HostMethod.TransparentWriter;
var closureInstance = scopeRewriter.Local <TypeTemplate.TClosure>();
closureInstance.Assign(new NewObjectExpression <TypeTemplate.TClosure>(m_ClosureClassConstructor, new IOperand[0]));
m_ClosureInstanceReference = closureInstance;
if (m_Parent != null)
{
WriteParentFieldInitialization();
}
foreach (var capture in m_Captures.Where(c => c.HoistingClosure == this))
{
WriteCaptureFieldInitialization(capture);
}
}
}
}
//-------------------------------------------------------------------------------------------------------------------------------------------------
public OperatorIncrement(UnaryOperatorPosition position, bool positive)
{
m_Position = position;
m_Positive = positive;
m_StatementScope = StatementScope.Current;
}
public void TearDown()
{
StatementScope.Cleanup();
m_Class = null;
m_Method = null;
}
public void SetUp()
{
m_StatementScope = new StatementScope(ownerClass: null, writer: null, statementBlock: new StatementBlock());
}