public void copy(TxtLocation loc)
{
m_path = loc.m_path;
column = loc.column;
line = loc.line;
m_context = loc.m_context;
}
public LexicalError(TxtLocation loc, char cin, char peek, string message)
: base(loc, message)
{
Data.Add("cin", cin);
Data.Add("peek", peek);
Data.Add("is_eof", '\0' == cin);
}
public object apply(TxtLocation loc, Closure fn, object[] args)
{
try {
return fn.fn(args);
} catch (Exception e) {
throw new InterpreterException(loc, "exception occured in method: " + fn.fn.Method.Name, e);
}
}
public object lookup(TxtLocation loc, Symbol sym)
{
object def;
if (definitions.TryGetValue(sym, out def)) {
return def;
} else if (m_parent != null) {
return m_parent.lookup(loc, sym);
} else if (m_trap(sym, out def)) {
return def;
} else {
throw new InterpreterException(loc, sym.name + " is undefined");
}
}
public TxtException(TxtLocation loc, string message, Exception innerException)
: base(message, innerException)
{
}
public TxtException(TxtLocation loc, string message)
: base(message)
{
Data.Add("loc", loc);
}
public TypeExpected(TxtLocation loc, string type)
: base(loc, "internal error! expected object of type <" + type + ">")
{
}
static string make_message(TxtLocation loc, Token lookahead, Token[] tokens)
{
return String.Format(
"{0}: expected {1} got {2}\n{3}\n",
loc.PathPoint(),
token_string(tokens),
fancy_token(lookahead), loc.FancyContext());
}
public SyntaxError(TxtLocation loc, Token lookahead, params Token[] expected)
: base(loc, make_message(loc, lookahead, expected))
{
Data.Add("lookahead", lookahead);
Data.Add("expected", expected);
}
public InterpreterException(TxtLocation loc, string message)
: base(loc, message)
{
}
static void compare_logs2(string path1, string path2)
{
Console.WriteLine("testing the multivisitor with files {0} and {1}", path1, path2);
using (Reader file1 = new Reader(path1)) {
using (Reader file2 = new Reader(path2)) {
Log log1 = new Log();
Log log2 = new Log();
Util.TxtLocation loc1 = new Util.TxtLocation(path1);
Util.TxtLocation loc2 = new Util.TxtLocation(path2);
VectorLogger logger1 = new VectorLogger(log1, loc1, new SafeVectorVisitor(null));
VectorLogger logger2 = new VectorLogger(log2, loc2, new SafeVectorVisitor(null));
VectorMultiVisitor mv = new VectorMultiVisitor(logger1, logger2);
Parser p1 = new Parser(file1, mv, loc1);
p1.SafeRead();
LogComparer.compare_logs(log1, log2);
}
}
Console.WriteLine();
}
public VectInterpreter(Environment env, TxtLocation loc, IBox outbox)
: base(outbox)
{
m_env = env;
m_loc = loc;
}
public TopLevelVectInterpreter(Environment env, TxtLocation loc, Print print, IBox outbox)
: base(env, loc, outbox)
{
m_print = print;
}
public ArgsInterpreter(Environment env, TxtLocation loc, ListBox args)
{
m_env = env;
m_loc = loc;
m_args = args;
}
public InterpreterException(TxtLocation loc, string message, Exception innerException)
: base(loc, message, innerException)
{
}
public object transform(TxtLocation loc, SpecialForm m, object source)
{
try {
return m.m(source);
} catch (Exception e) {
throw new InterpreterException(loc, "exception occured in special form: " + m.m.Method.Name, e);
}
}
static void compare_logs(string path)
{
Console.WriteLine("comparing the visitation logs for the parser and dynamic visitor for file {0}", path);
Log log1 = new Log();
using (Reader file = new Reader(path)) {
Util.TxtLocation loc = new Util.TxtLocation(path);
VectorLogger logger = new VectorLogger(log1, loc, new SafeVectorVisitor(null));
Parser p = new Parser(file, logger, loc);
p.SafeRead();
}
Log log2 = new Log();
using (Reader file = new Reader(path)) {
VectBox top = new VectBox();
VectBuilder builder = new VectBuilder(top);
Parser p = new Parser(file, builder);
Util.TxtLocation loc = new Util.TxtLocation(path);
p.SafeRead();
VectorLogger logger = new VectorLogger(log2, loc, new SafeVectorVisitor(null));
if (top.value != null) DynamicVisitor.accept(top.value, logger);
}
LogComparer.compare_logs(log1, log2);
Console.WriteLine();
}
public Parser(Reader reader, VectVisitor visitor, TxtLocation loc)
{
m_scanner = new Scanner(reader);
m_visitor = visitor;
m_loc = loc;
}
static void Main(string[] args)
{
#if false
Parent p = new Parent("Karen");
p.children.Add(null);
p.children.Add(new Son("Jason"));
p.children.Add(new Daughter("April"));
ParentVisitor pv = new ParentVisitor();
DynamicVisitor.accept(p, pv);
#endif
#if false
Console.WriteLine(Example1());
//Console.WriteLine(Example2());
////Console.WriteLine(Example3());
////Console.WriteLine(Example4());
////Console.WriteLine(Example5());
//Console.WriteLine(Example6());
//test_parse("test.txt");
//test_parse("test2.txt");
//test_safe_parse("test.txt");
//test_safe_parse("test2.txt");
#endif
#if false
parse_and_write("test.txt", "test-output1.txt");
parse_and_write("test-output1.txt", "test-output2.txt");
compare_files("test.txt", "test-output1.txt");
compare_files("test-output1.txt", "test-output2.txt");
compare_logs("test.txt", "test-output1.txt");
compare_logs("test-output1.txt", "test-output2.txt");
parse_build_write("test.txt", "test-output3.txt");
compare_files("test.txt", "test-output3.txt");
compare_logs("test.txt", "test-output3.txt");
compare_logs2("test.txt", "test-output3.txt");
compare_logs("test.txt");
compare_logs("test-output1.txt");
compare_logs("test-output2.txt");
compare_logs("test-output3.txt");
compare_logs("test.txt", "test2.txt");
code_builder_test(code_builder_test1());
code_builder_test(code_builder_test2());
#endif
#if false
using (FileWriter writer = new FileWriter("construct1.txt")) {
Code c = code_builder_test2();
Dictionary<string, string> aliases = new Dictionary<string, string>();
//aliases.Add("Sexp.Cons", "cons");
//aliases.Add("System.Object[]", "vector");
List<string> ns = new List<string>();
// ns.Add("Sexp");
// object[] test1 = build("test.txt");
// object[] test1 = ConstructLang.tour(build("test.txt"), ns, aliases);
ns.Add("Flat");
aliases.Add("Flat.Type", ".type");
aliases.Add("Flat.Prototype", ".prototype");
aliases.Add("Flat.Operator", ".operator");
aliases.Add("Flat.Relation", ".relation");
aliases.Add("Flat.Constant", ".constant");
aliases.Add("Flat.Global", ".global");
aliases.Add("Flat.Local", ".local");
aliases.Add("Flat.Parameter", ".param");
aliases.Add("Flat.Do", ".do");
aliases.Add("Flat.Move", ".move");
aliases.Add("Flat.Call", ".call");
aliases.Add("Flat.DoLambda", ".gosub");
aliases.Add("Flat.If", ".if");
aliases.Add("Flat.Lambda", ".lambda");
aliases.Add("Flat.Operands", "<-");
aliases.Add("Flat.Lvalues", "->");
aliases.Add("Flat.Types", "types:");
aliases.Add("Flat.Prototypes", "prototypes:");
aliases.Add("Flat.Constants", "constants:");
aliases.Add("Flat.Globals", "globals:");
aliases.Add("Flat.Operators", "operators:");
aliases.Add("Flat.Relations", "relations:");
aliases.Add("Flat.Lambdas", "lambdas:");
aliases.Add("Flat.Listing", "listing:");
object[] test1 = ConstructLang.tour(c, ns, aliases);
//VectorLogger logger = new VectorLogger(new Log(), new TxtLocation(""), GetTopLevelWriter.create(writer));
Format fmt = new Format();
//fmt.format_vect = true;
//fmt.format_data = false;
//fmt.format_head = false;
//fmt.format_appl = true;
//fmt.do_abbrev = true;
//fmt.do_abbrev = false;
//fmt.do_debug = true;
ConstructFormat.init(writer);
DynamicVisitor.accept(test1, GetTopLevelWriter.create(writer, fmt, ConstructFormat.get_construct_lang_config));
}
// int foo = 2+2;
#endif
#if true
//System.IO.TextWriter my_out = new System.IO.StreamWriter("output.txt");
//Console.SetOut(my_out);
Reader f = new Reader("test4.txt");
Util.TxtLocation loc = new Util.TxtLocation("test4.txt");
Parser p = new Parser(f, new SafeVectorVisitor(new Interpreter(new StandardEnvironment(null/*delegate(Symbol sym, out object def) { def = null; return true; }*/), loc)), loc);
p.Read();
Console.WriteLine();
//object[] v = build("test.txt");
//DynamicVisitor.accept(v, new IntVisitor());
//DynamicVisitor.accept(v, new Interpreter(new TestEnvironment(), null));
#endif
}
public Interpreter(Environment env, TxtLocation loc)
{
m_env = env;
m_loc = loc;
}