public object VisitFunctionStmt(Stmt.Function stmt)
{
var function = new LoxFunction(stmt, environment, false);
environment.Define(stmt.name.Lexeme, function);
return(null);
}
public Unit VisitFunction(Stmt.Function stmt)
{
Declare(stmt.Name);
Define(stmt.Name);
ResolveFunction(stmt, FunctionType.Function);
return(Unit.Default);
}
object Stmt.IVisitor <object> .VisitFunctionStmt(Stmt.Function stmt)
{
LoxFunction function = new LoxFunction(stmt, environment, false);
environment.Define(stmt.name.lexeme, function);
return(null);
}
public Void Visit(Stmt.Function stmt)
{
var function = new LoxFunction(stmt, environment, false);
environment.Define(stmt.Name.Lexeme, function);
return(Void.Instance);
}
object Stmt.IVisitor <object> .VisitFunctionStmt(Stmt.Function stmt)
{
Declare(stmt.name);
Define(stmt.name);
ResolveFunction(stmt, FunctionType.FUNCTION);
return(null);
}
public Unit VisitFunction(Stmt.Function stmt)
{
// Capture the environment at declaration time.
string name = string.Format("<fun {0}>", stmt.Name.Lexeme);
var function = new LoxFunction(name, _environment, stmt.Parameters, stmt.Body);
_environment.Define(stmt.Name.Lexeme, function);
return(Unit.Default);
}
public Void Visit(Stmt.Function stmt)
{
Declare(stmt.Name);
Define(stmt.Name);
ResolveFunction(stmt, FunctionType.Function);
return(Void.Instance);
}
void ResolveFunction(Stmt.Function function, FunctionType type)
{
var enclosingFunction = currentFunction;
currentFunction = type;
BeginScope();
function.parameters.ForEach(e =>
{
Declare(e);
Define(e);
});
Resolve(function.Body);
EndScope();
currentFunction = enclosingFunction;
}
private void ResolveFunction(Stmt.Function function, FunctionType type)
{
FunctionType enclosingFunction = currentFunction;
currentFunction = type;
BeginScope();
foreach (Token p in function.parameters)
{
Declare(p);
Define(p);
}
Resolve(function.body);
EndScope();
currentFunction = enclosingFunction;
}
public string VisitFunction(Stmt.Function stmt)
{
var builder = new StringBuilder();
builder.Append("(fun (");
builder.Append(stmt.Name.Lexeme);
foreach (var param in stmt.Parameters)
{
builder.Append(" ");
builder.Append(param.Lexeme);
}
builder.Append(")");
foreach (var s in stmt.Body)
{
builder.Append(s.Accept(this));
}
return(builder.ToString());
}
private void ResolveFunction(Stmt.Function function, FunctionType type)
{
var enclosingFunction = currentFunction;
currentFunction = type;
BeginScope();
foreach (var param in function.Parameters)
{
Declare(param);
Define(param);
}
Resolve(function.Body);
EndScope();
currentFunction = enclosingFunction;
}
public LoxFunction(Stmt.Function declaration, Environment closure, bool isInitializer)
{
this.isInitializer = isInitializer;
this.closure = closure;
this.declaration = declaration;
}
private void ResolveFunction(Stmt.Function stmt, FunctionType type)
{
ResolveFunction(type, stmt.Parameters, stmt.Body);
}
public LoxFunction(Stmt.Function declaration, Environment closure, bool isInitializer)
{
_declaration = declaration;
_closure = closure;
_isInitializer = isInitializer;
}