/// <summary>
/// Transforms a LambdaExpression to a debuggable LambdaExpression
/// </summary>
public MSAst.LambdaExpression TransformLambda(MSAst.LambdaExpression lambda, DebugLambdaInfo lambdaInfo)
{
ContractUtils.RequiresNotNull(lambda, "lambda");
ContractUtils.RequiresNotNull(lambdaInfo, "lambdaInfo");
return(new DebuggableLambdaBuilder(this, lambdaInfo).Transform(lambda));
}
/// <summary>
/// Transforms a LambdaExpression to a debuggable LambdaExpression
/// </summary>
public LambdaExpression TransformLambda(LambdaExpression lambda, DebugLambdaInfo lambdaInfo)
{
ContractUtils.RequiresNotNull(lambda, nameof(lambda));
ContractUtils.RequiresNotNull(lambdaInfo, nameof(lambdaInfo));
return(new DebuggableLambdaBuilder(this, lambdaInfo).Transform(lambda));
}
internal DebuggableLambdaBuilder(DebugContext debugContext, DebugLambdaInfo lambdaInfo) {
_debugContext = debugContext;
_lambdaInfo = lambdaInfo;
_alias = _lambdaInfo.LambdaAlias;
_debugContextExpression = AstUtils.Constant(debugContext);
// Variables
_verifiedLocals = new List<MSAst.ParameterExpression>();
_verifiedLocalNames = new Dictionary<string, object>();
_pendingLocals = new List<MSAst.ParameterExpression>();
_variableInfos = new List<VariableInfo>();
_pendingToVariableInfosMap = new Dictionary<MSAst.ParameterExpression, VariableInfo>();
_pendingToVerifiedLocalsMap = new Dictionary<MSAst.ParameterExpression, MSAst.ParameterExpression>();
// DebugMode expression that's used by the transformed code to see what the current debug mode is
_globalDebugMode = Ast.Property(_debugContextExpression, "Mode");
}
/// <summary>
/// Transforms a LambdaExpression to a debuggable LambdaExpression
/// </summary>
public MSAst.LambdaExpression TransformLambda(MSAst.LambdaExpression lambda, DebugLambdaInfo lambdaInfo) {
ContractUtils.RequiresNotNull(lambda, "lambda");
ContractUtils.RequiresNotNull(lambdaInfo, "lambdaInfo");
return new DebuggableLambdaBuilder(this, lambdaInfo).Transform(lambda);
}
public override Expression Reduce()
{
var temp = Expr.Variable(typeof(Delegate), "$function$");
Expr function = _body;
if (_context.EnableTracing)
{
var aliases = _scope.AllLocals().Zip(_scope.GetLocalNames(), (p, n) => new KeyValuePair<ParameterExpression, string>(p, n)).ToDictionary(x => x.Key, y => y.Value);
var debugInfo = new DebugLambdaInfo(null, _identifier, false, _scope.AllLocals(), aliases, _scope);
function = _context.Language.DebugContext.TransformLambda(_body).Reduce();
}
else
function = _body.Reduce();
return Expression.Block(new[] { temp },
Expr.Assign(temp, function),
CodeContext.RegisterFunction(_context, temp, _scope),
temp);
}