public override void Visit(FuncCallExpressionNode node)
{
node.Id.Accept(this);
CSharpString.Append("(");
node.ActualParameters?.ForEach(x => {
if (node.ActualParameters.IndexOf(x) != 0)
{
CSharpString.Append(", ");
}
x.Accept(this);
});
CSharpString.Append(")");
}
public override void Visit(FuncCallExpressionNode node)
{
node.Id.Accept(this);
Console.Write("(");
node.ActualParameters?.ForEach(x => {
if (node.ActualParameters.IndexOf(x) != 0)
{
Console.Write(", ");
}
x.Accept(this);
});
Console.Write(")");
}
public override void Visit(FuncCallExpressionNode node)
{
node.ActualParameters?.ForEach(x => x.Accept(this));
var astNode = symbolTable.RetrieveSymbol(node.Id.Id, node);
if (astNode is FunctionDclNode funcDcl)
{
if (funcDcl.Id.Id == "ChooseOption")
{
if (node.ActualParameters.Count > 1)
{
if (node.ActualParameters[0].Type != "bool")
{
throw new SemanticException($"Error on line {node.line}: Wrong type {node.ActualParameters[0].Type} provided for ChooseOption.");
}
for (int i = 1; i < node.ActualParameters.Count; i++)
{
if (node.ActualParameters[i].Type != "string")
{
throw new SemanticException($"Error on line {node.line}: Wrong type {node.ActualParameters[i].Type} provided for ChooseOption.");
}
}
}
else
{
throw new SemanticException($"Error on line {node.line}: The ChooseOption did not receive enough parameters.");
}
}
else if (funcDcl.Id.Id == "Print")
{
if (node.ActualParameters.Count == 1)
{
if (!IsPrimitiveType(node.ActualParameters[0].Type))
{
throw new SemanticException($"Error on line {node.line}: The Print function can only use integers, floats, booleans and strings.");
}
}
else
{
throw new SemanticException($"Error on line {node.line}: No function of name {node.Id.Id} with {node.ActualParameters.Count} parameters found.");
}
}
else if (funcDcl.Id.Id == "ListRemove" || funcDcl.Id.Id == "ListAdd")
{
if (node.ActualParameters.Count == 2)
{
if (!(node.ActualParameters[0].Type.Contains("[]") && node.ActualParameters[1].Type == node.ActualParameters[0].Type.Replace("[]", "")))
{
throw new SemanticException($"Error on line {node.line}: Element type {node.ActualParameters[1].Type} was tried to be added or removed to array of type {node.ActualParameters[0].Type}.");
}
}
else
{
throw new SemanticException($"Error on line {node.line}: No function of name {node.Id.Id} with {node.ActualParameters.Count} parameters found.");
}
}
else if (funcDcl.Id.Id == "ListLength" || funcDcl.Id.Id == "ListEmpty")
{
if (!(node.ActualParameters.Count == 1))
{
throw new SemanticException($"Error on line {node.line}: No function of name {node.Id.Id} with {node.ActualParameters.Count} parameters found.");
}
else
{
if (!node.ActualParameters[0].Type.Contains("[]"))
{
throw new SemanticException($"Error on line {node.line}: {node.Id.Id} expected list parameter.");
}
}
}
else if (node.ActualParameters.Count == funcDcl.FormalParamNodes.Count)
{
for (int i = 0; i < node.ActualParameters.Count; i++)
{
//CompatibleTypes(node.ActualParameters[i].Type, funcDcl.FormalParamNodes[i].Type + (funcDcl.FormalParamNodes[i].IsArray? "[]" : "") , "parameter type", node);
if (node.ActualParameters[i].Type != funcDcl.FormalParamNodes[i].Type + (funcDcl.FormalParamNodes[i].IsArray ? "[]" : ""))
{
throw new SemanticException($"Error on line {node.line}: Invalid parameter type: can't convert {funcDcl.FormalParamNodes[i].Type + (funcDcl.FormalParamNodes[i].IsArray ? "[]" : "")} to type {node.ActualParameters[i].Type}.");
}
}
}
else
{
throw new SemanticException($"Error on line {node.line}: No function of name {node.Id.Id} with {node.ActualParameters.Count} parameters found.");
}
node.Type = funcDcl.ReturnType;
}
else if (astNode is StructDclNode structDcl && structDcl.Constructor != null)
{
if (node.ActualParameters.Count == structDcl.Constructor.FormalParamNodes.Count)
{
for (int i = 0; i < node.ActualParameters.Count; i++)
{
//CompatibleTypes(node.ActualParameters[i].Type, structDcl.Constructor.FormalParamNodes[i].Type + (structDcl.Constructor.FormalParamNodes[i].IsArray ? "[]" : ""), "parameter type", node);
if (node.ActualParameters[i].Type != structDcl.Constructor.FormalParamNodes[i].Type + (structDcl.Constructor.FormalParamNodes[i].IsArray ? "[]" : ""))
{
throw new SemanticException($"Error on line {node.line}: Invalid parameter type: can't convert {structDcl.Constructor.FormalParamNodes[i].Type + (structDcl.Constructor.FormalParamNodes[i].IsArray ? "[]" : "")} to type {node.ActualParameters[i].Type}.");
}
}
}
else
{
throw new SemanticException($"Error on line {node.line}: No constructor of name {node.Id.Id} with {node.ActualParameters.Count} parameters found.");
}
node.Type = structDcl.Id.Id;
}
internal abstract void Visit(FuncCallExpressionNode node);
public abstract void Visit(FuncCallExpressionNode node);