private void CheckMainCandidate(AstNode node, Function main)
{
// Ignore the main type if the module is not executable.
if(currentModule.GetModuleType() != ModuleType.Executable)
return;
// Get the function type.
FunctionType type = main.GetFunctionType();
// Check the return type.
IChelaType returnType = type.GetReturnType();
if(returnType != ChelaType.GetVoidType() &&
returnType != ChelaType.GetIntType())
return;
// Check the argument count.
if(type.GetArgumentCount() > 1)
return;
// Check the argument.
if(type.GetArgumentCount() == 1)
{
IChelaType strArrayType = ReferenceType.Create(ArrayType.Create(currentModule.TypeMap(ChelaType.GetStringType())));
if(strArrayType != type.GetArgument(0))
return;
}
// Make usure it could be.
string fullName = main.GetFullName();
string mainName = currentModule.GetMainName();
if(mainName != null && fullName != mainName)
return;
// This is a main candidate.
Function oldMain = currentModule.GetMainFunction();
if(oldMain != null && oldMain != main)
Error(node, "multiple main functions defined");
// This is the main.
currentModule.SetMainFunction(main);
}