/// <summary>
/// Generates function for some function node
/// </summary>
/// <param name="funcNode">The function node.</param>
private void GenerateMethod(FunctionDefinition funcNode)
{
Type returnType = ILTypeTranslator.Translate(funcNode.ReturnType);
List <Type> paramsTypes = new List <Type>();
foreach (ArgumentDefinition arg in funcNode.Args)
{
paramsTypes.Add(ILTypeTranslator.Translate(arg.Type));
}
MethodBuilder currentMethod = mainClass.DefineMethod(funcNode.Name, MethodAttributes.Static | MethodAttributes.Public, returnType, paramsTypes.ToArray());
currentFunction = new ILFunctionRef(this, funcNode, currentMethod);
il = currentMethod.GetILGenerator();
BlockEnter();
int index = 1;
foreach (ArgumentDefinition arg in funcNode.Args)
{
new ILArgument(new TypeEntity(arg.Type), arg.Name, this, currentMethod, index++);
}
statementEvaluator.GenerateCode(funcNode.Body);
il.Emit(OpCodes.Ret);
BlockLeave();
entryPoint = currentMethod;
}
void IExpressionVisitor.Visit(FunctionCall This)
{
string name = This.Name;
ILFunctionRef call = GetNamedObject(name) as ILFunctionRef;
if (call == null)
{
call = ILFunctionRef.LookForDotNetMethod(generator, This);
}
if (call == null)
{
throw new AnalizeException("The function " + name + " does not exist in the current context (or have wrong signature)", This);
}
call.SetCallNode(This);
result = call;
}