//call an ICallable object directly
public static object Run(Environment env, ICallable callable, List <object> arguments)
{
try {
//transform the argument list
List <Expr> exprArguments = new List <Expr>();
foreach (object arg in arguments)
{
exprArguments.Add(new Literal(arg));
}
//build the call object
Token token = new Token(TokenType.EOF, "internal", null, -1);
Call call = new Call(((ScriptFunction)callable).GetDeclaration(), token, exprArguments);
//build a new interpreter
Interpreter interpreter = new Interpreter(env);
Resolver resolver = new Resolver(interpreter);
resolver.Resolve(((ScriptFunction)callable).GetDeclaration());
//call the ICallable, returning the result
return(interpreter.Interpret(new List <Stmt>()
{
new Expression(call)
}));
//WARNING: duplicate code
} catch (ErrorHandler.AssertError) {
ConsoleOutput.Log("Assert error caught at Run()");
ConsoleOutput.Log("The program will now exit early");
} catch (ErrorHandler.ParserError e) {
ConsoleOutput.Log("Parser error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
} catch (ErrorHandler.ResolverError e) {
ConsoleOutput.Log("Resolver error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
} catch (ErrorHandler.RuntimeError e) {
ConsoleOutput.Log("Runtime error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
} catch (Exception e) {
ConsoleOutput.Log("Terminal error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
}
return(null);
}
public static Environment Run(Environment env, string source)
{
try {
Scanner scanner = new Scanner(source);
Parser parser = new Parser(scanner.ScanTokens());
List <Stmt> stmtList = parser.ParseStatements();
if (ErrorHandler.HadError)
{
return(null);
}
Interpreter interpreter = new Interpreter(env == null ? new Environment() : env);
Resolver resolver = new Resolver(interpreter);
resolver.Resolve(stmtList);
if (ErrorHandler.HadError)
{
return(null);
}
interpreter.Interpret(stmtList);
//return the environment context for the import keyword
return(interpreter.environment);
} catch (ErrorHandler.AssertError) {
ConsoleOutput.Log("Assert error caught at Run()");
ConsoleOutput.Log("The program will now exit early");
} catch (ErrorHandler.ParserError e) {
ConsoleOutput.Log("Parser error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
} catch (ErrorHandler.ResolverError e) {
ConsoleOutput.Log("Resolver error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
} catch (ErrorHandler.RuntimeError e) {
ConsoleOutput.Log("Runtime error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
} catch (Exception e) {
ConsoleOutput.Log("Terminal error caught at Run()");
ConsoleOutput.Log("The following output is for internal debugging only, and will be removed from the final release:\n" + e.ToString());
}
return(null);
}
