public LambdaNode(FunctionParametersNode parameters, AstNode body, bool isSimple, int nodeIndex)
: base(SyntaxKind.LambdaFunctionDefinitionExpression, null, null, nodeIndex)
{
Parameters = parameters;
Body = body;
this.HasCurlyBrackets = body is BlockNode;
this.IsSimple = isSimple;
}
internal FunctionNode(string name, FunctionParametersNode parameters, int nodeIndex)
: base(SyntaxKind.FunctionDefinitionExpression, "EXTERN", name, nodeIndex)
{
Name = name;
Parameters = parameters;
IsExtern = true;
if (Parameters != null)
{
Parameters.Parent = this;
}
}
public static FunctionParametersNode Parameters(ParameterNode[] parameters)
{
// if (parameters)
var result = new FunctionParametersNode(_nodeIndex++);
foreach (var p in parameters)
{
result.AddChild(p);
}
return(result);
}
internal FunctionNode(string name, FunctionParametersNode parameters, AstNode body, int nodeIndex)
: base(SyntaxKind.FunctionDefinitionExpression, null, name, nodeIndex)
{
Name = name;
Parameters = parameters;
Body = body;
if (body != null)
{
Body.Parent = this;
}
if (Parameters != null)
{
Parameters.Parent = this;
}
}
internal FunctionNode(string name, XzaarType returnType, FunctionParametersNode parameters, int nodeIndex)
: base(SyntaxKind.FunctionDefinitionExpression, "EXTERN", name, nodeIndex)
{
this.returnType = returnType;
if (this.returnType != null)
{
this.Type = this.returnType.Name;
}
Name = name;
Parameters = parameters;
IsExtern = true;
if (Parameters != null)
{
Parameters.Parent = this;
}
}
internal FunctionNode(string name, XzaarType returnType, FunctionParametersNode parameters, AstNode body, int nodeIndex)
: base(SyntaxKind.FunctionDefinitionExpression, null, name, nodeIndex)
{
this.returnType = returnType;
if (this.returnType != null)
{
this.Type = this.returnType.Name;
}
Name = name;
Parameters = parameters;
Body = body;
if (body != null)
{
Body.Parent = this;
}
if (Parameters != null)
{
Parameters.Parent = this;
}
}
public static FunctionParametersNode Parameters(AstNode parameters)
{
// if (parameters)
var r = parameters as FunctionParametersNode;
if (r != null)
{
return(r);
}
var result = new FunctionParametersNode(_nodeIndex++);
var count = parameters.Children.Count;
for (int i = 0; i < count; i += 2)
{
var type = parameters[i];
var isArray = parameters[i + 1].Kind == SyntaxKind.ArrayIndexExpression;
if (isArray)
{
type.Value += "[]";
i++;
}
var name = parameters[i + 1];
result.AddChild(AstNode.Parameter(name, type));
if (count > 2 && i + 2 < count)
{
var value = parameters[i + 2].Value;
if (value?.ToString() != ",")
{
throw new ExpressionException($"Unexpected character '{value}' found in function parameter declaration");
}
i++; // skip separator
}
}
return(result);
}
public static FunctionNode ExternFunction(string name, string returnType, FunctionParametersNode parameters)
{
// var functionParametersNode = Parameters(argumentsExpression);
return(new FunctionNode(name, XzaarType.GetType(returnType), parameters, _nodeIndex++));
}
public static FunctionNode Function(string name, string returnType, FunctionParametersNode argumentsExpression, AstNode bodyExpression)
{
return(new FunctionNode(name, XzaarType.GetType(returnType), argumentsExpression, bodyExpression, _nodeIndex++));
}
public static FunctionNode Function(string name, FunctionParametersNode argumentsExpression)
{
return(new FunctionNode(name, argumentsExpression, null, _nodeIndex++));
}
public static LambdaNode Lambda(FunctionParametersNode paremeterExpression, AstNode bodyExpression)
{
return(new LambdaNode(paremeterExpression, bodyExpression, false, _nodeIndex++));
}