public object Interpret(object exp)
{
IASTNode node = ASTCompiler.Compile(null, ListProcess.TransformLibraryForms(exp));
ReserveGlobalVaraible(SymbolTable.GetGlobalSymbolCount());
ASTNode_Lambda lambdaNode = new ASTNode_Lambda {
bodyNode = node, bodyFreeAddresses = new List <FreeAddress>(), childrenFreeAddresses = new List <FreeAddress>(),
formalCount = 0, locals = new List <string>(),
};
var fileName = "____test.exe";
var assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(
new AssemblyName(GenernateUniqueString("assemly")), AssemblyBuilderAccess.RunAndSave);
var moduleBuilder = assemblyBuilder.DefineDynamicModule(GenernateUniqueString("module"), fileName, HasSymbolInfo());
var envTypeBuilder = moduleBuilder.DefineType(GenernateUniqueString("class"));
var methodBuilder = new ASTNodeVisitor_JITCompiler(null, envTypeBuilder, lambdaNode).MethodBuilder;
var type = envTypeBuilder.CreateType();
assemblyBuilder.SetEntryPoint(methodBuilder, PEFileKinds.ConsoleApplication);
// assemblyBuilder.Save(fileName);
return(((Func <object>)type.GetMethod(methodBuilder.Name).CreateDelegate(typeof(Func <object>)))());
}
public object Interpret(object exp)
{
IASTNode node = ASTCompiler.Compile(null, ListProcess.TransformLibraryForms(exp));
Env.ReserveGlobalVariables(SymbolTable.GetGlobalSymbolCount());
return(new ASTNodeVisitor_Interpreter(null, node).Value);
}
static void Main(string[] args)
{
var tokens = Parser.Tokenize(new System.IO.StreamReader("../../test.rkt").ReadToEnd());
while (true)
{
object s = Parser.Parse(tokens);
if (s == null)
{
break;
}
object v = JITInterpreter_DS2.Instance().Interpret(s);
// object v = JITInterpreter_DS.Instance().Interpret(s);
// object v = ASTInterpreter.Instance().Interpret(s);
if (v != null)
{
ListProcess.PrintPairExp(v);
}
}
}
private JITInterpreter_DS()
{
Utils.QueryPerformanceCounter(out mTimerStart);
Utils.QueryPerformanceFrequency(out mTimerFreq);
Dictionary <string, object> builtinVars = new Dictionary <string, object>()
{
{ "true", true },
{ "false", false },
{ "else", true },
{ "null", null },
};
Dictionary <string, object> builtinProcedures = new Dictionary <string, object>()
{
{ "not", (Func <object, object>)(a => !(bool)a) },
{ "identity", (Func <object, object>)(a => a) },
{ "sqr", (Func <object, object>)(a => { var v = (INumber)a; return(v.Mul(v)); }) },
{ "+", (Func <object, object, object>)((a, b) => ((INumber)a).Add((INumber)b)) },
{ "-", (Func <object, object, object>)((a, b) => ((INumber)a).Sub((INumber)b)) },
{ "*", (Func <object, object, object>)((a, b) => ((INumber)a).Mul((INumber)b)) },
{ "/", (Func <object, object, object>)((a, b) => ((INumber)a).Div((INumber)b)) },
{ "quotient", (Func <object, object, object>)((a, b) => ((INumber)a).Div((INumber)b).CastToInteger()) },
{ "remainder", (Func <object, object, object>)((a, b) => ((INumber)a).Mod((INumber)b)) },
{ "=", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) == 0) },
{ "<", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) < 0) },
{ "<=", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) <= 0) },
{ ">", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) > 0) },
{ ">=", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) >= 0) },
{ "eq?", (Func <object, object, object>)((a, b) => object.ReferenceEquals(a, b)) },
{ "equal?", (Func <object, object, object>)((a, b) => object.Equals(a, b)) },
{ "cons", (Func <object, object, object>)((a, b) => new Pair()
{
Car = a, Cdr = b
}) },
{ "car", (Func <object, object>)(a => ((Pair)a).Car) },
{ "cdr", (Func <object, object>)(a => ((Pair)a).Cdr) },
{ "drop", (Func <object, object, object>)((a, b) => {
Pair l = (Pair)a; int n = ((NumberInteger)b).value;
for (; n > 0; --n)
{
l = (Pair)l.Cdr;
}
return(l);
}) },
{ "length", (Func <object, object>)(a => {
int n = 0;
for (Pair l = (Pair)a; l != null; ++n, l = (Pair)l.Cdr)
{
;
}
return(Number.Create(n));
}) },
{ "append", (Func <object, object, object>)((a, b) => {
var l = ListProcess.PairToList((Pair)a);
return(ListProcess.ConcatListAndPairToNewPair(l, (Pair)b));
}) },
{ "empty?", (Func <object, object>)(a => a == null) },
{ "void", (Func <object>)(() => null) },
{ "pretty-print", (Func <object, object>)(a => {
ListProcess.PrintPairExp(a);
return(null);
}) },
{ "display", (Func <object, object>)(a => {
ListProcess.PrintListExp(ListProcess.PairExpToListExp(a));
return(null);
}) },
{ "current-inexact-milliseconds", (Func <object>)(() => {
long now;
Utils.QueryPerformanceCounter(out now);
return(Number.Create((decimal)(now - mTimerStart) * 1000 / mTimerFreq));
}) },
{ "exit", (Func <object>)(() => {
Environment.Exit(0);
return(null);
}) },
{ "random", (Func <object, object>)(a => Number.Create(mRandom.Next(((NumberInteger)a).value))) },
{ "eval", (Func <object, object>)(a => { return(Instance().Interpret(ListProcess.PairExpToListExp(a))); }) },
};
ReserveGlobalVaraible(builtinVars.Count + builtinProcedures.Count);
foreach (KeyValuePair <string, object> kv in builtinVars)
{
mGlobalVariables[SymbolTable.DefineOrGetGlobalSymbol(kv.Key).index] = kv.Value;
}
foreach (KeyValuePair <string, object> kv in builtinProcedures)
{
mGlobalVariables[SymbolTable.DefineOrGetGlobalSymbol(kv.Key).index] = kv.Value;
}
}
static public IASTNode Compile(SymbolTable symTable, object exp)
{
if (exp is string)
{
return(new ASTNode_GetVar {
address = SymbolTable.Lookup(symTable, (string)exp)
});
}
else if (exp is INumber)
{
return(new ASTNode_Literal {
value = exp
});
}
List <object> form = exp as List <object>;
switch (form[0] as string)
{
case "quote":
return(new ASTNode_Literal {
value = ListProcess.ListExpToPairExp(form[1])
});
case "if":
return(new ASTNode_If {
predNode = Compile(symTable, form[1]), thenNode = Compile(symTable, form[2]), elseNode = Compile(symTable, form[3])
});
case "begin":
return(new ASTNode_Begin {
nodes = form.Skip(1).Select(e => Compile(symTable, e)).ToList()
});
case "lambda": {
SymbolTable newSymTable = new SymbolTable(symTable);
var formals = ((List <object>)form[1]).Cast <string>();
foreach (var name in formals)
{
newSymTable.DefineLocalSymbol(name);
}
List <string> defines = new List <string>();
ListProcess.FindDefinition(defines, (List <object>)form[2], 1);
foreach (var name in defines)
{
newSymTable.DefineLocalSymbol(name);
}
IASTNode body = Compile(newSymTable, form[2]);
var finder = new ASTNodeVisitor_FindFreeAddresses(body);
return(new ASTNode_Lambda {
formalCount = ((List <object>)form[1]).Count,
locals = formals.Concat(defines).ToList(),
bodyNode = body,
bodyFreeAddresses = finder.BodyFreeAddresses.ToList(),
childrenFreeAddresses = finder.ChildrenFreeAddresses.ToList(),
});
}
case "define":
case "set!":
return(new ASTNode_SetVar {
address = SymbolTable.Lookup(symTable, (string)form[1]), rightNode = Compile(symTable, form[2])
});
default:
return(new ASTNode_Application {
procedureNode = Compile(symTable, form[0]),
actualNodes = form.Skip(1).Select(e => Compile(symTable, e)).ToList(),
});
}
}
private ASTInterpreter()
{
Utils.QueryPerformanceCounter(out sTimerStart);
Utils.QueryPerformanceFrequency(out sTimerFreq);
Dictionary <string, object> builtinVars = new Dictionary <string, object>()
{
{ "true", true },
{ "false", false },
{ "else", true },
{ "null", null },
};
Dictionary <string, Procedure> builtinProcedures = new Dictionary <string, Procedure>()
{
{ "not", (args) => !(bool)args[0] },
{ "identity", (args) => args[0] },
{ "sqr", (args) => { var a = args[0] as INumber; return(a.Mul(a)); } },
{ "+", (args) => ((INumber)args[0]).Add((INumber)args[1]) },
{ "-", (args) => ((INumber)args[0]).Sub((INumber)args[1]) },
{ "*", (args) => ((INumber)args[0]).Mul((INumber)args[1]) },
{ "/", (args) => ((INumber)args[0]).Div((INumber)args[1]) },
{ "quotient", (args) => ((INumber)args[0]).Div((INumber)args[1]).CastToInteger() },
{ "remainder", (args) => ((INumber)args[0]).Mod((INumber)args[1]) },
{ "=", (args) => (args[0].Equals(args[1])) },
{ "<", (args) => (args[0] as IComparable).CompareTo(args[1]) < 0 },
{ "<=", (args) => (args[0] as IComparable).CompareTo(args[1]) <= 0 },
{ ">", (args) => (args[0] as IComparable).CompareTo(args[1]) > 0 },
{ ">=", (args) => (args[0] as IComparable).CompareTo(args[1]) >= 0 },
{ "eq?", (args) => object.ReferenceEquals(args[0], args[1]) },
{ "cons", (args) => new Pair()
{
Car = args[0], Cdr = args[1]
} },
{ "car", (args) => ((Pair)args[0]).Car },
{ "cdr", (args) => ((Pair)args[0]).Cdr },
{ "drop", (args) => {
Pair l = (Pair)args[0]; int n = ((NumberInteger)args[1]).value;
for (; n > 0; --n)
{
l = (Pair)l.Cdr;
}
return(l);
} },
{ "length", (args) => {
int n = 0;
for (Pair l = (Pair)args[0]; l != null; ++n, l = (Pair)l.Cdr)
{
;
}
return(Number.Create(n));
} },
{ "append", (args) => {
var l = ListProcess.PairToList((Pair)args[0]);
l.InsertRange(l.Count, ListProcess.PairToList((Pair)args[1]));
return(ListProcess.ListToPair(l));
} },
{ "empty?", (args) => args[0] == null },
{ "pretty-print", (args) => {
ListProcess.PrintPairExp(args[0]);
return(null);
} },
{ "display", (args) => {
ListProcess.PrintListExp(ListProcess.PairExpToListExp(args[0]));
return(null);
} },
{ "current-inexact-milliseconds", (args) => {
long now;
Utils.QueryPerformanceCounter(out now);
return(Number.Create((decimal)(now - sTimerStart) * 1000 / sTimerFreq));
} },
{ "exit", (args) => {
Environment.Exit(0);
return(null);
} },
{ "random", (args) => Number.Create(sRandom.Next(((NumberInteger)args[0]).value)) },
{ "eval", (args) => Instance().Interpret(ListProcess.PairExpToListExp(args[0])) },
};
Env.ReserveGlobalVariables(builtinVars.Count + builtinProcedures.Count);
foreach (KeyValuePair <string, object> kv in builtinVars)
{
Env.DefineBuiltin(SymbolTable.DefineOrGetGlobalSymbol(kv.Key), kv.Value);
}
foreach (KeyValuePair <string, Procedure> kv in builtinProcedures)
{
Env.DefineBuiltin(SymbolTable.DefineOrGetGlobalSymbol(kv.Key), kv.Value);
}
}
