public ISimpleExpression ToSimpleExpression(ICSharpExpression csExpr, IList <IStatement> body)
{
if (csExpr == null)
{
return(new UnknownExpression());
}
IAssignableExpression expr = new UnknownExpression();
Execute.AndSupressExceptions(
() => { expr = csExpr.Accept(this, body) ?? new UnknownExpression(); });
var simpleExpression = expr as ISimpleExpression;
if (simpleExpression != null)
{
return(simpleExpression);
}
var newRef = new VariableReference {
Identifier = _nameGen.GetNextVariableName()
};
var exprIType = csExpr.GetExpressionType().ToIType();
// TODO write test for this null check
var exprType = exprIType == null ? Names.UnknownType : exprIType.GetName();
body.Add(
new VariableDeclaration
{
Reference = newRef,
Type = exprType
});
body.Add(
new Assignment
{
Reference = newRef,
Expression = expr
});
return(new ReferenceExpression {
Reference = newRef
});
}
public override void VisitThrowStatement(IThrowStatement stmt, IList <IStatement> body)
{
if (IsTargetMatch(stmt, CompletionCase.EmptyCompletionBefore))
{
body.Add(EmptyCompletionExpression);
}
IVariableReference varRef = new VariableReference();
if (stmt.Semicolon == null && IsTargetMatch(stmt, CompletionCase.EmptyCompletionAfter))
{
varRef = new VariableReference {
Identifier = _nameGen.GetNextVariableName()
};
body.Add(
new VariableDeclaration
{
Type = Names.Type("System.Exception, mscorlib, 4.0.0.0"),
Reference = varRef
});
body.Add(new Assignment {
Reference = varRef, Expression = new CompletionExpression()
});
}
else if (stmt.Exception != null)
{
varRef = _exprVisitor.ToVariableRef(stmt.Exception, body);
}
body.Add(new ThrowStatement {
Reference = varRef
});
if (IsTargetMatch(stmt, CompletionCase.EmptyCompletionAfter))
{
body.Add(EmptyCompletionExpression);
}
}
