public MyVoid VisitFunctionStmt(Stmt.Function stmt)
{
declare(stmt.name);
define(stmt.name);
resolveFunction(stmt, FunctionType.Function);
return(null);
}
public MyVoid VisitFunctionStmt(Stmt.Function stmt)
{
// Capture the environment when the function is declared, for closures
LoxFunction function = new LoxFunction(stmt, environment, isInitializer: false);
environment.Define(stmt.name.lexeme, function);
return(null);
}
private void resolveFunction(Stmt.Function function, FunctionType functionType)
{
FunctionType enclosingFunction = currentFunction;
currentFunction = functionType;
beginScope();
foreach (Token param in function.parameters)
{
declare(param);
define(param);
}
resolve(function.body);
endScope();
currentFunction = enclosingFunction;
}
public LoxFunction(Stmt.Function declaration, VariableEnvironment closure, Boolean isInitializer)
{
this.closure = closure;
this.declaration = declaration;
this.isInitializer = isInitializer;
}
