/*
internal object Eval(object self, RNode n)
{
#if EVAL_DEBUG
System.Console.WriteLine("Entering Eval");
#endif
object o = null;
for (RNode node = n; node != null; )
{
#if EVAL_DEBUG
System.Console.WriteLine("Node:" + node.GetType());
RNode prev = node;
#endif
node = node.Eval(this, self, out o);
#if EVAL_DEBUG
System.Console.WriteLine("Leaving Eval(" + prev.ToString() + "), result=" + ((o == null) ? "null" : o.ToString()));
#endif
}
return o;
}
internal object Eval(object self, string src, RBasic scope, string file, int line)
{
RThread th = GetCurrentContext();
object result = null;
string filesave = th.file;
int linesave = th.line;
ITER itr = th.frame.iter;
Frame frm = null;
Scope old_scope = null;
Block old_block = null;
RVarmap old_dyna_vars = null;
Scope.ScopeMode old_vmode = th.ScopeMode;
RNCRef old_cref = null;
RModule old_wrapper = null;
Block data = null;
if (scope != null)
{
if (scope is RProc == false)
throw new eTypeError(String.Format("wrong argument type {0} (expected Proc/Binding)",
ClassOf(scope).Name));
data = ((RProc)scope).block;
frm = data.frame;
frm.tmp = th.frame;
th.frame = frm;
old_scope = th.scope;
old_block = th.block;
th.block = data.prev;
old_dyna_vars = th.dyna_vars;
th.dyna_vars = data.dyna_vars;
old_vmode = th.ScopeMode;
old_cref = th.cRef;
th.cRef = frm.cBase;
old_wrapper = th.wrapper;
th.wrapper = data.wrapper;
if ((file == null || file == String.Empty || (line == 1 && file == "(eval)"))
&& data.body != null && data.body.File != null)
{
file = data.body.File;
line = data.body.Line;
}
self = data.self;
th.frame.iter = data.iter;
}
else
{
if (th.frame.prev != null)
{
th.frame.iter = th.frame.prev.iter;
}
}
if (file == null)
{
file = th.file;
line = th.line;
}
RMetaObject cls = th.rClass;
th.rClass = th.cBase;
th.EnterEval();
if (th.rClass is RIncClass)
th.rClass = th.rClass.klass;
Tag.TAG state = Tag.TAG.EMPTY;
th.PushTag(Tag.TAG.PROT_NONE);
try
{
RNode node = CompileFile(file, new StringReader(src), line, th);
if (th.CompileFailed)
{
compileError(null);
}
result = EvalNode(self, node, th);
}
catch (eTagJump tj)
{
#if _DEBUG
System.Console.WriteLine(tj.Message);
System.Console.WriteLine(tj.StackTrace);
#endif
state = tj.state;
}
catch (Exception e)
{
#if _DEBUG
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
#endif
state = Tag.TAG.RAISE;
th.errInfo = new RException(this, e);
}
th.PopTag(true);
th.rClass = cls;
th.LeaveEval();
if (th.scope != null)
{
th.wrapper = old_wrapper;
th.cRef = old_cref;
th.frame = frm.tmp;
th.scope = old_scope;
th.block = old_block;
th.dyna_vars = old_dyna_vars;
th.ScopeSet(old_vmode);
}
else
{
th.frame.iter = itr;
}
th.file = filesave;
th.line = linesave;
if (state != Tag.TAG.EMPTY)
{
if (state == Tag.TAG.RAISE)
{
RArray errat = null;
string msg = th.errInfo.ToString();
string err = msg;
if (file == "(eval)")
{
if (th.line > 1)
{
errat = th.errInfo.Backtrace;
if (errat != null)
{
err = String.Format("{0}: {1}", errat[0], msg);
}
}
ruby_raise((RException)RException.exc_new(ClassOf(th.errInfo), err));
}
ruby_raise(th.errInfo);
}
th.TagJump(state);
}
return result;
}
public object EvalString(string str)
{
bool newThread;
RThread th = GetCurrentContext(out newThread);
string oldsrc = th.file;
th.file = "(eval)";
object o = Eval(topSelf, str, null, null, 0);
th.file = oldsrc;
if (newThread)
{
ClearContext(th);
}
if (th.errInfo != null)
{
#if _DEBUG
if (th.errInfo.InnerException != null)
System.Console.Error.WriteLine(th.errInfo.InnerException.StackTrace);
#endif
throw new NetRubyException(th.errInfo);
}
return o;
}
*/
void Start(string filename, bool print)
{
StreamReader sr = new StreamReader(File.OpenRead(filename));
RNode n = CompileFile(filename, sr, 0, GetCurrentContext());
if(print) {
BlockPrinter p = new BlockPrinter(this, Console.Out);
p.Write(n);
Console.WriteLine("");
} else {
RThread th = GetCurrentContext();
EmitContext ec = new EmitContext(this, "ruby_program", "ruby.out.dll");
RCMethod m = ec.Compile(n);
th.PushClassScope(topSelf.klass);
m.Call(th, topSelf, new RBasic[] {}, null);
}
// Flush the console
Console.WriteLine("");
}