public Expression ToExpression(ParseContext context)
{
switch (AssignType)
{
case (AssignementOperator.Assign):
{
//if (RValue.ParsedType.IsValueType)
{
return Expression.Assign(LValue.ToExpression(context),Expression.Convert(RValue.ToExpression(context),LValue.ParsedType));
}
//return Expression.Assign(LValue.ToExpression(context), RValue.ToExpression(context));
}
case (AssignementOperator.MultiplyAssign):
return Expression.MultiplyAssign(LValue.ToExpression(context), RValue.ToExpression(context));
case (AssignementOperator.SubtractAssign):
return Expression.SubtractAssign(LValue.ToExpression(context), RValue.ToExpression(context));
case (AssignementOperator.SumAssign):
{
if (LValue.ParsedType == typeof(string) || RValue.ParsedType == typeof(string))
{
Expression<Func<object, object, string>> func = ((a, b) => SumAssign(a, b));
return Expression.Assign(LValue.ToExpression(context),
Expression.Invoke(func, LValue.ToExpression(context), RValue.ToExpression(context)));
}
return Expression.AddAssign(LValue.ToExpression(context), RValue.ToExpression(context));
}
}
throw new InvalidEnumArgumentException();
}
public void PreParseExpression(ParseContext context)
{
RValue.PreParseExpression(context);
LValue.PreParseExpression(context);
ParsedType = LValue.ParsedType;
}
public void PreParseExpression(ParseContext context)
{
_paramTypes = new List<Type>();
for (int i = 0; i < Parameters.Length; i++)
{
Parameters[i].PreParseExpression(context);
_paramTypes.Add(Parameters[i].ParsedType);
}
Type type = StaticDataType;
if (StaticDataType == null)
{
type = Variable.ParsedType;
if (Variable is OperationVariable)
{
var variable = context.GetVariable(((OperationVariable)Variable).Name);
type = variable.DataType;
}
}
var methodInfo = type.GetMethod(
MethodName,
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance |BindingFlags.Static,
null,
_paramTypes.ToArray(),
null);
ParsedType = methodInfo.ReturnType;
}
public void PreParseExpression(ParseContext context)
{
if (_value == null)
ParsedType = typeof(object);
else
ParsedType = _value.GetType();
}
public override void PreParseExpression(ParseContext context)
{
RValue.PreParseExpression(context);
_rType = RValue.ParsedType;
LValue.PreParseExpression(context);
_lType = LValue.ParsedType;
ParsedType = typeof(bool);
}
public override void PreParseExpression(ParseContext context)
{
for (int i = 0; i < SubConditions.Count; i++)
{
SubConditions[i].PreParseExpression(context);
}
ParsedType = typeof(bool);
}
internal Expression DefaultInitialize(ParseContext context)
{
if (VariableDeclaration.Expression == null)
{
VariableDeclaration.Expression = ToExpression(context);
}
return Expression.Assign(VariableDeclaration.Expression, Expression.Default(VariableDeclaration.DataType));
}
public string ToString(ParseContext context)
{
if (!string.IsNullOrWhiteSpace(context.ReturnVariable))
{
return "return " + context.ReturnVariable;
}
return "return";
}
public string ToString(ParseContext context)
{
var result = "new " + ReflectionUtil.TypeToString(DataType) + "(";
for (int i = 0; i < Variables.Length; i++)
{
if (i > 0) result += ", ";
result += Variables[i].ToString(context);
}
return result + ")";
}
public void PreParseExpression(ParseContext context)
{
_constructorTypes = new List<Type>();
foreach (var param in Variables)
{
param.PreParseExpression(context);
_constructorTypes.Add(param.ParsedType);
}
ParsedType = DataType;
}
public string ToString(ParseContext context)
{
if (_value == null) return "null";
var type = _value.GetType();
if (type.IsValueType || type.IsEnum)
{
return _value.ToString();
}
return "\"" + _value + "\"";
}
public override string ToString(ParseContext context)
{
var res = "(";
var operation = IsAnd ? "&&" : "||";
for (int i = 0; i < SubConditions.Count; i++)
{
if (i > 0) res += operation;
res += SubConditions[i].ToString(context);
}
return res + ")";
}
public Expression ToExpression(ParseContext context)
{
var pars = new List<Expression>();
foreach (var param in Variables)
{
pars.Add(param.ToExpression(context));
}
return Expression.NewArrayInit(DataType.GetElementType(), pars);
}
public void PreParseExpression(ParseContext context)
{
_paramTypes = new List<Type>();
for (int i = 0; i < Parameters.Length; i++)
{
Parameters[i].PreParseExpression(context);
_paramTypes.Add(Parameters[i].ParsedType);
}
ParsedType = null;
}
public Expression ToExpression(ParseContext context)
{
var variable = context.GetVariable(Name);
if (variable != null)
{
if (variable.Expression == null)
{
variable.Expression = Expression.Parameter(ParsedType, Name);
}
return variable.Expression;
}
return Expression.Parameter(ParsedType, Name);
}
public void PreParseExpression(ParseContext context)
{
//var pl = context.Current;
Condition.PreParseExpression(context);
context.AddLevel();
foreach (var line in CodeLines)
{
line.PreParseExpression(context);
}
context.RemoveLevel();
}
public override Expression ToExpression(ParseContext context)
{
Expression result = null;
for (int index = (SubConditions.Count - 2); index >= 0; index--)
{
if (result == null)
{
var l = SubConditions[index].ToExpression(context);
var r = SubConditions[index + 1].ToExpression(context);
result = BuildOperation(l, r);
}
else
{
var l = SubConditions[index].ToExpression(context);
result = BuildOperation(l, result);
}
}
return result;
}
public string ToString(ParseContext context)
{
var result = string.Empty;
if (StaticDataType == null)
{
result = Variable.ToString(context);
}
else
{
result = ReflectionUtil.TypeToString(StaticDataType);
}
result += "." + MethodName + "(";
for (int i = 0; i < Parameters.Length; i++)
{
if (i > 0) result += ", ";
result += Parameters[i].ToString(context);
}
return result + ")";
}
public string ToString(ParseContext context)
{
var result = "while(" + Condition.ToString(context) + ")\n";
result += context.Pad + "{\n";
context.AddLevel();
foreach (var line in CodeLines)
{
var createVariable = line as CreateVariable;
if (createVariable != null)
{
createVariable.DefaultInitialize(context);
}
result += context.Pad + line.ToString(context) + ";\n";
}
context.RemoveLevel();
result += context.Pad + "}";
return result;
}
public Expression ToExpression(ParseContext context)
{
var pars = new List<Expression>();
foreach (var param in Variables)
{
pars.Add(param.ToExpression(context));
}
var constructor = ReflectionUtil.GetConstructor(DataType, _constructorTypes);
if (constructor.GoodFrom >= 0)
{
var startDefault = constructor.GoodFrom;
while (startDefault < constructor.ParamValues.Count)
{
pars.Add(Operation.Constant(constructor.ParamValues[constructor.GoodFrom]).ToExpression(context));
startDefault++;
}
}
return Expression.New(constructor.Method as ConstructorInfo, pars);
}
public ParseLevel(ParseContext parseContext)
{
_variables = new Dictionary<string, Variable>(StringComparer.InvariantCultureIgnoreCase);
_parseContext = parseContext;
}
public Expression ToExpression(ParseContext context)
{
var conditionExpression = Condition.ToExpression(context);
context.AddLevel();
var thenLine = new List<Expression>();
var listOfThenVars = new List<ParameterExpression>();
foreach (var line in ThenCodeLines)
{
var expLine = line.ToExpression(context);
var createVariable = line as CreateVariable;
if (createVariable != null)
{
listOfThenVars.Add((ParameterExpression)expLine);
expLine = createVariable.DefaultInitialize(context);
}
thenLine.Add(expLine);
}
var thenBlock = Expression.Block(listOfThenVars.ToArray(), thenLine);
context.RemoveLevel();
var elseLine = new List<Expression>();
if (ElseCodeLines.Count > 0)
{
context.AddLevel();
var listOfElseVars = new List<ParameterExpression>();
foreach (var line in ElseCodeLines)
{
var expLine = line.ToExpression(context);
var createVariable = line as CreateVariable;
if (createVariable != null)
{
listOfElseVars.Add((ParameterExpression)expLine);
expLine = createVariable.DefaultInitialize(context);
}
elseLine.Add(expLine);
}
context.RemoveLevel();
var elseBlock = Expression.Block(listOfElseVars, elseLine);
return Expression.IfThenElse(conditionExpression, thenBlock, elseBlock);
}
return Expression.IfThen(conditionExpression, thenBlock);
}
public Expression ToExpression(ParseContext context)
{
var pars = new List<Expression>();
foreach (var param in Parameters)
{
pars.Add(param.ToExpression(context));
}
if (_paramTypes == null)
{
_paramTypes = new List<Type>();
for (int i = 0; i < Parameters.Length; i++)
{
Parameters[i].PreParseExpression(context);
_paramTypes.Add(Parameters[i].ParsedType);
}
}
Type type = StaticDataType;
if (StaticDataType == null)
{
type = Variable.ParsedType;
if (Variable is OperationVariable)
{
var variable = context.GetVariable(((OperationVariable)Variable).Name);
type = variable.DataType;
}
}
var method = ReflectionUtil.GetMethod(type, MethodName, _paramTypes);
if (method.GoodFrom >= 0)
{
var startDefault = method.GoodFrom;
while (startDefault < method.ParamValues.Count)
{
pars.Add(Operation.Constant(method.ParamValues[method.GoodFrom]).ToExpression(context));
startDefault++;
}
}
var my = (MethodInfo)method.Method;
if ((my.Attributes & MethodAttributes.Static)==0)
{
return Expression.Call(Variable.ToExpression(context), method.Method as MethodInfo, pars);
}
return Expression.Call(method.Method as MethodInfo, pars);
}
public abstract Expression ToExpression(ParseContext context);
public Expression ToExpression(ParseContext context)
{
context.Current.AddVariable(VariableDeclaration);
VariableDeclaration.Expression = Expression.Variable(VariableDeclaration.DataType, VariableDeclaration.Name);
return VariableDeclaration.Expression;
}
public void PreParseExpression(ParseContext context)
{
context.Current.AddVariable(VariableDeclaration);
ParsedType = VariableDeclaration.DataType;
}
public Expression ToExpression(ParseContext context)
{
return Expression.Constant(_value);
}
public abstract void PreParseExpression(ParseContext context);
public Expression ToExpression(ParseContext context)
{
var conditionExpression = Condition.ToExpression(context);
context.AddLevel();
var thenLine = new List<Expression>();
var listOfThenVars = new List<ParameterExpression>();
foreach (var line in CodeLines)
{
var expLine = line.ToExpression(context);
var createVariable = line as CreateVariable;
if (createVariable != null)
{
listOfThenVars.Add((ParameterExpression)expLine);
expLine = createVariable.DefaultInitialize(context);
}
thenLine.Add(expLine);
}
var thenBlock = Expression.Block(listOfThenVars.ToArray(), thenLine);
context.RemoveLevel();
LabelTarget label = Expression.Label(Guid.NewGuid().ToString());
var ifThenElse = Expression.IfThenElse(
conditionExpression,
thenBlock,
Expression.Break(label));
return Expression.Loop(ifThenElse, label);
}
public string ToString(ParseContext context)
{
return ReflectionUtil.TypeToString(VariableDeclaration.DataType) + " " + VariableDeclaration.Name;
}
