private Tuple <BlockExpression, BlockExpression> BuildIfCondition(IfBranchVariable ifBranch, Context context)
{
IEnumerable <Expression> paramExpressions = Enumerable.Empty <Expression>();
if (ifBranch.ParamVariables != null && ifBranch.ParamVariables.Any())
{
paramExpressions = Util.BuildExpression(ifBranch.ParamVariables, context.ValuePairs, context.Datas);
}
ICollection <Expression> expressions = new List <Expression>();
ExpressionBuilder.BuildExpression(expressions, ifBranch.Variables, context.ValuePairs, context.Datas);
return(Tuple.Create(paramExpressions.Any() ? Expression.Block(paramExpressions.ToArray()) : null, Expression.Block(expressions.ToArray())));
}
public IfBranchVariable CreateIfBranchVariable(IEnumerable <Token> tokens, Token token, ICollection <Variable> variables, int i)
{
var branchVariable = new IfBranchVariable
{
Value = token.Flag
};
ICollection <Token> subTokens = new List <Token>();
Util.CollectionTokens(tokens, subTokens, i + 1, Strings.StartFlag1, Strings.EndFlag1, true);
var count = subTokens.Count();
branchVariable.TokenCount = count;
ICollection <Variable> paramVariables = new List <Variable>();
branchVariable.ParamVariables = paramVariables;
for (var a = 0; a < count; a++)
{
var subToken = subTokens.ElementAt(a);
var handler = VariableHandleFactory.Create(subToken.Flag);
a = handler.TryAddVariable(subTokens, subToken, paramVariables, a);
}
subTokens.Clear();
ICollection <Variable> bodyVariables = new List <Variable>();
branchVariable.Variables = bodyVariables;
Util.CollectionTokens(tokens, subTokens, i + 3 + count, Strings.StartFlag2, Strings.EndFlag2, true);
count = subTokens.Count();
for (var a = 0; a < count; a++)
{
var subToken = subTokens.ElementAt(a);
var handler = VariableHandleFactory.Create(subToken.Flag);
a = handler.TryAddVariable(subTokens, subToken, bodyVariables, a);
}
branchVariable.TokenCount += count;
return(branchVariable);
}