public Expr Parse(ParserContext pcon, object frms)
{
ISeq forms = (ISeq)frms;
if (Util.equals(RT.first(forms), Compiler.DoSym))
{
forms = RT.next(forms);
}
IPersistentVector exprs = PersistentVector.EMPTY;
for (; forms != null; forms = forms.next())
{
Expr e = (pcon.Rhc != RHC.Eval && (pcon.Rhc == RHC.Statement || forms.next() != null))
? Compiler.Analyze(pcon.SetRhc(RHC.Statement), forms.first())
: Compiler.Analyze(pcon, forms.first());
exprs = exprs.cons(e);
}
if (exprs.count() == 0)
{
exprs = exprs.cons(Compiler.NilExprInstance);
}
return(new BodyExpr(exprs));
}
public Expr Parse(ParserContext pcon, object form)
{
if (pcon.Rhc == RHC.Eval)
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FN, PersistentVector.EMPTY, form)), "throw__" + RT.nextID());
return new ThrowExpr(Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), RT.second(form)));
}
public Expr Parse(ParserContext pcon, object form)
{
if (pcon.Rhc == RHC.Eval)
{
return(Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnSym, PersistentVector.EMPTY, form)), "throw__" + RT.nextID()));
}
return(new ThrowExpr(Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), RT.second(form))));
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
if (RT.Length(form) != 3)
throw new ParseException("Malformed assignment, expecting (set! target val)");
Expr target = Compiler.Analyze(new ParserContext(RHC.Expression, true), RT.second(form));
AssignableExpr ae = target as AssignableExpr;
if (ae == null)
throw new ParseException("Invalid assignment target");
return new AssignExpr(ae, Compiler.Analyze(pcon.SetRhc(RHC.Expression),RT.third(form)));
}
public Expr Parse(ParserContext pcon, object form)
{
if (pcon.Rhc == RHC.Eval)
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "throw__" + RT.nextID());
if (RT.Length((ISeq)form) == 1)
return new ThrowExpr();
if (RT.count(form) > 2)
throw new InvalidOperationException("Too many arguments to throw, throw expects a single Exception instance");
return new ThrowExpr(Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), RT.second(form)));
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
if (RT.Length(form) != 3)
{
throw new ParseException("Malformed assignment, expecting (set! target val)");
}
Expr target = Compiler.Analyze(new ParserContext(RHC.Expression, true), RT.second(form));
if (!(target is AssignableExpr ae))
{
throw new ParseException("Invalid assignment target");
}
return(new AssignExpr(ae, Compiler.Analyze(pcon.SetRhc(RHC.Expression), RT.third(form))));
}
public Expr Parse(ParserContext pcon, object form)
{
if (pcon.Rhc == RHC.Eval)
{
return(Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "throw__" + RT.nextID()));
}
if (RT.Length((ISeq)form) == 1)
{
return(new ThrowExpr());
}
if (RT.count(form) > 2)
{
throw new InvalidOperationException("Too many arguments to throw, throw expects a single Exception instance");
}
return(new ThrowExpr(Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), RT.second(form))));
}
public Expr Parse(ParserContext pcon, object frms)
{
ISeq forms = (ISeq)frms;
if (Util.equals(RT.first(forms), Compiler.DoSym))
forms = RT.next(forms);
IPersistentVector exprs = PersistentVector.EMPTY;
for (; forms != null; forms = forms.next())
{
Expr e = (pcon.Rhc != RHC.Eval && (pcon.Rhc == RHC.Statement || forms.next() != null))
? Compiler.Analyze(pcon.SetRhc(RHC.Statement), forms.first())
: Compiler.Analyze(pcon, forms.first());
exprs = exprs.cons(e);
}
if (exprs.count() == 0)
exprs = exprs.cons(Compiler.NilExprInstance);
return new BodyExpr(exprs);
}
public static Expr Parse(ParserContext pcon, ISeq form)
{
pcon = pcon.EvalOrExpr();
Expr fexpr = Compiler.Analyze(pcon, form.first());
VarExpr varFexpr = fexpr as VarExpr;
if (varFexpr != null && varFexpr.Var.Equals(Compiler.InstanceVar) && RT.count(form) == 3)
{
Expr sexpr = Compiler.Analyze(pcon.SetRhc(RHC.Expression), RT.second(form));
ConstantExpr csexpr = sexpr as ConstantExpr;
if (csexpr != null)
{
Type tval = csexpr.Val as Type;
if (tval != null)
{
return(new InstanceOfExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), tval, Compiler.Analyze(pcon, RT.third(form))));
}
}
}
if (varFexpr != null && pcon.Rhc != RHC.Eval)
{
Var v = varFexpr.Var;
object arglists = RT.get(RT.meta(v), Compiler.ArglistsKeyword);
int arity = RT.count(form.next());
for (ISeq s = RT.seq(arglists); s != null; s = s.next())
{
IPersistentVector sargs = (IPersistentVector)s.first();
if (sargs.count() == arity)
{
string primc = FnMethod.PrimInterface(sargs);
if (primc != null)
{
return(Compiler.Analyze(pcon,
RT.listStar(Symbol.intern(".invokePrim"),
((Symbol)form.first()).withMeta(RT.map(RT.TagKey, Symbol.intern(primc))),
form.next())));
}
break;
}
}
}
KeywordExpr kwFexpr = fexpr as KeywordExpr;
if (kwFexpr != null && RT.count(form) == 2 && Compiler.KeywordCallsitesVar.isBound)
{
Expr target = Compiler.Analyze(pcon, RT.second(form));
return(new KeywordInvokeExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), Compiler.TagOf(form), kwFexpr, target));
}
IPersistentVector args = PersistentVector.EMPTY;
for (ISeq s = RT.seq(form.next()); s != null; s = s.next())
{
args = args.cons(Compiler.Analyze(pcon, s.first()));
}
//if (args.count() > Compiler.MAX_POSITIONAL_ARITY)
// throw new ArgumentException(String.Format("No more than {0} args supported", Compiler.MAX_POSITIONAL_ARITY));
return(new InvokeExpr((string)Compiler.SourceVar.deref(),
(IPersistentMap)Compiler.SourceSpanVar.deref(), //Compiler.GetSourceSpanMap(form),
Compiler.TagOf(form),
fexpr,
args));
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
// form => (let [var1 val1 var2 val2 ... ] body ... )
// or (loop [var1 val1 var2 val2 ... ] body ... )
bool isLoop = RT.first(form).Equals(Compiler.LOOP);
IPersistentVector bindings = RT.second(form) as IPersistentVector;
if (bindings == null)
throw new ArgumentException("Bad binding form, expected vector");
if ((bindings.count() % 2) != 0)
throw new ArgumentException("Bad binding form, expected matched symbol/value pairs.");
ISeq body = RT.next(RT.next(form));
if (pcon.Rhc == RHC.Eval
|| (pcon.Rhc == RHC.Expression && isLoop))
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FN, PersistentVector.EMPTY, form)),"let__"+RT.nextID());
ObjMethod method = (ObjMethod)Compiler.METHOD.deref();
IPersistentMap backupMethodLocals = method.Locals;
IPersistentMap backupMethodIndexLocals = method.IndexLocals;
IPersistentVector recurMismatches = null;
// we might repeat once if a loop with a recurMismatch, return breaks
while (true)
{
IPersistentMap dynamicBindings = RT.map(
Compiler.LOCAL_ENV, Compiler.LOCAL_ENV.deref(),
Compiler.NEXT_LOCAL_NUM, Compiler.NEXT_LOCAL_NUM.deref());
if (isLoop)
dynamicBindings = dynamicBindings.assoc(Compiler.LOOP_LOCALS, null);
try
{
Var.pushThreadBindings(dynamicBindings);
IPersistentVector bindingInits = PersistentVector.EMPTY;
IPersistentVector loopLocals = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count(); i += 2)
{
if (!(bindings.nth(i) is Symbol))
throw new ArgumentException("Bad binding form, expected symbol, got " + bindings.nth(i));
Symbol sym = (Symbol)bindings.nth(i);
if (sym.Namespace != null)
throw new Exception("Can't let qualified name: " + sym);
Expr init = Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), bindings.nth(i + 1), sym.Name);
//if (isLoop)
//{
// if (recurMismatches != null && ((LocalBinding)recurMismatches.nth(i / 2)).RecurMistmatch)
// {
// HostArg ha = new HostArg(HostArg.ParameterType.Standard,init,null);
// List<HostArg> has = new List<HostArg>(1);
// has.Add(ha);
// init = new StaticMethodExpr("", PersistentArrayMap.EMPTY, null, typeof(RT), "box", has);
// if (RT.booleanCast(RT.WARN_ON_REFLECTION.deref()))
// RT.errPrintWriter().WriteLine("Auto-boxing loop arg: " + sym);
// }
// else if (Compiler.MaybePrimitiveType(init) == typeof(int))
// {
// HostArg ha = new HostArg(HostArg.ParameterType.Standard, init, null);
// List<HostArg> has = new List<HostArg>(1);
// has.Add(ha);
// init = new StaticMethodExpr("", PersistentArrayMap.EMPTY, null, typeof(RT), "longCast", has);
// }
// else if (Compiler.MaybePrimitiveType(init) == typeof(float))
// {
// HostArg ha = new HostArg(HostArg.ParameterType.Standard, init, null);
// List<HostArg> has = new List<HostArg>(1);
// has.Add(ha);
// init = new StaticMethodExpr("", PersistentArrayMap.EMPTY, null, typeof(RT), "doubleCast", has);
// }
//}
// Sequential enhancement of env (like Lisp let*)
LocalBinding b = Compiler.RegisterLocal(sym, Compiler.TagOf(sym), init, false);
BindingInit bi = new BindingInit(b, init);
bindingInits = bindingInits.cons(bi);
if (isLoop)
loopLocals = loopLocals.cons(b);
}
if (isLoop)
Compiler.LOOP_LOCALS.set(loopLocals);
Expr bodyExpr;
try
{
if (isLoop)
{
// stuff with clear paths
}
bodyExpr = new BodyExpr.Parser().Parse(isLoop ? pcon.SetRhc(RHC.Return) : pcon, body);
}
finally
{
if (isLoop)
{
// stuff with clear paths
recurMismatches = null;
for (int i = 0; i < loopLocals.count(); i++)
{
LocalBinding lb = (LocalBinding)loopLocals.nth(i);
if (lb.RecurMistmatch)
recurMismatches = loopLocals;
}
}
}
if (recurMismatches == null)
return new LetExpr(bindingInits, bodyExpr, isLoop);
}
finally
{
Var.popThreadBindings();
}
}
}
//(case* expr shift mask default map<minhash, [test then]> table-type test-type skip-check?)
//prepared by case macro and presumed correct
//case macro binds actual expr in let so expr is always a local,
//no need to worry about multiple evaluation
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq) frm;
if (pcon.Rhc == RHC.Eval)
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnSym, PersistentVector.EMPTY, form)),"case__"+RT.nextID());
PersistentVector args = PersistentVector.create(form.next());
object exprForm = args.nth(0);
int shift = Util.ConvertToInt(args.nth(1));
int mask = Util.ConvertToInt(args.nth(2));
object defaultForm = args.nth(3);
IPersistentMap caseMap = (IPersistentMap)args.nth(4);
Keyword switchType = (Keyword)args.nth(5);
Keyword testType = (Keyword)args.nth(6);
IPersistentSet skipCheck = RT.count(args) < 8 ? null : (IPersistentSet)args.nth(7);
ISeq keys = RT.keys(caseMap);
int low = Util.ConvertToInt(RT.first(keys));
int high = Util.ConvertToInt(RT.nth(keys,RT.count(keys)-1));
LocalBindingExpr testexpr = (LocalBindingExpr)Compiler.Analyze(pcon.SetRhc(RHC.Expression),exprForm);
SortedDictionary<int,Expr> tests = new SortedDictionary<int,Expr>();
Dictionary<int,Expr> thens = new Dictionary<int,Expr>();
//testexpr.shouldClear = false;
//PathNode branch = new PathNode(PATHTYPE.BRANCH, (PathNode) CLEAR_PATH.get());
foreach ( IMapEntry me in caseMap )
{
int minhash = Util.ConvertToInt(me.key());
object pair = me.val(); // [test-val then-expr]
object first = RT.first(pair);
Expr testExpr = testType == _intKey
? NumberExpr.Parse(Util.ConvertToInt(first))
: (first == null ? Compiler.NilExprInstance : new ConstantExpr(first));
tests[minhash] = testExpr;
Expr thenExpr;
//try
//{
// Var.pushThreadBindings(
// RT.map(CLEAR_PATH, new PathNode(PATHTYPE.PATH,branch)));
thenExpr = Compiler.Analyze(pcon,RT.second(pair));
//}
//finally
//{
// Var.popThreadBindings();
//}
thens[minhash] = thenExpr;
}
Expr defaultExpr;
//try
//{
// Var.pushThreadBindings(
// RT.map(CLEAR_PATH, new PathNode(PATHTYPE.PATH,branch)));
defaultExpr = Compiler.Analyze(pcon,defaultForm);
//}
//finally
//{
// Var.popThreadBindings();
//}
return new CaseExpr(
(IPersistentMap) Compiler.SourceSpanVar.deref(),
testexpr,
shift,
mask,
low,
high,
defaultExpr,
tests,
thens,
switchType,
testType,
skipCheck);
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
// form => (letfn* [var1 (fn [args] body) ... ] body ... )
if (!(RT.second(form) is IPersistentVector bindings))
{
throw new ParseException("Bad binding form, expected vector");
}
if ((bindings.count() % 2) != 0)
{
throw new ParseException("Bad binding form, expected matched symbol/expression pairs.");
}
ISeq body = RT.next(RT.next(form));
if (pcon.Rhc == RHC.Eval)
{
return(Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "letfn__" + RT.nextID()));
}
IPersistentMap dynamicBindings = RT.map(
Compiler.LocalEnvVar, Compiler.LocalEnvVar.deref(),
Compiler.NextLocalNumVar, Compiler.NextLocalNumVar.deref());
try
{
Var.pushThreadBindings(dynamicBindings);
// pre-seed env (like Lisp labels)
IPersistentVector lbs = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count(); i += 2)
{
if (!(bindings.nth(i) is Symbol))
{
throw new ParseException("Bad binding form, expected symbol, got " + bindings.nth(i));
}
Symbol sym = (Symbol)bindings.nth(i);
if (sym.Namespace != null)
{
throw new ParseException("Can't let qualified name: " + sym);
}
LocalBinding b = Compiler.RegisterLocal(sym, Compiler.TagOf(sym), null, typeof(Object), false);
// b.CanBeCleared = false;
lbs = lbs.cons(b);
}
IPersistentVector bindingInits = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count(); i += 2)
{
Symbol sym = (Symbol)bindings.nth(i);
Expr init = Compiler.Analyze(pcon.SetRhc(RHC.Expression), bindings.nth(i + 1), sym.Name);
LocalBinding b = (LocalBinding)lbs.nth(i / 2);
b.Init = init;
BindingInit bi = new BindingInit(b, init);
bindingInits = bindingInits.cons(bi);
}
return(new LetFnExpr(bindingInits, new BodyExpr.Parser().Parse(pcon, body)));
}
finally
{
Var.popThreadBindings();
}
}
//(case* expr shift mask low high default map<minhash, [test then]> identity?)
//prepared by case macro and presumed correct
//case macro binds actual expr in let so expr is always a local,
//no need to worry about multiple evaluation
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq) frm;
if (pcon.Rhc == RHC.Eval)
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FN, PersistentVector.EMPTY, form)),"case__"+RT.nextID());
PersistentVector args = PersistentVector.create(form.next());
Dictionary<int,Expr> tests = new Dictionary<int,Expr>();
Dictionary<int,Expr> thens = new Dictionary<int,Expr>();
LocalBindingExpr testexpr = (LocalBindingExpr)Compiler.Analyze(pcon.SetRhc(RHC.Expression),args.nth(0));
//testexpr.shouldClear = false;
//PathNode branch = new PathNode(PATHTYPE.BRANCH, (PathNode) CLEAR_PATH.get());
foreach ( IMapEntry e in ((IPersistentMap)args.nth(6)) )
{
int minhash = (int)e.key();
IMapEntry me = (IMapEntry)e.val();
Expr testExpr = new ConstantExpr(me.key());
tests[minhash] = testExpr;
Expr thenExpr;
//try
//{
// Var.pushThreadBindings(
// RT.map(CLEAR_PATH, new PathNode(PATHTYPE.PATH,branch)));
thenExpr = Compiler.Analyze(pcon,me.val());
//}
//finally
//{
// Var.popThreadBindings();
//}
thens[minhash] = thenExpr;
}
Expr defaultExpr;
//try
//{
// Var.pushThreadBindings(
// RT.map(CLEAR_PATH, new PathNode(PATHTYPE.PATH,branch)));
defaultExpr = Compiler.Analyze(pcon,args.nth(5));
//}
//finally
//{
// Var.popThreadBindings();
//}
return new CaseExpr(
(IPersistentMap) Compiler.SOURCE_SPAN.deref(),
testexpr,
(int)args.nth(1),
(int)args.nth(2),
(int)args.nth(3),
(int)args.nth(4),
defaultExpr,
tests,
thens,
RT.booleanCast(args.nth(7)));
}
public Expr Parse(ParserContext pcon, object form)
{
return(new MonitorEnterExpr(Compiler.Analyze(pcon.SetRhc(RHC.Expression), RT.second(form))));
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
// form => (let [var1 val1 var2 val2 ... ] body ... )
// or (loop [var1 val1 var2 val2 ... ] body ... )
bool isLoop = RT.first(form).Equals(Compiler.LoopSym);
IPersistentVector bindings = RT.second(form) as IPersistentVector;
if (bindings == null)
throw new ParseException("Bad binding form, expected vector");
if ((bindings.count() % 2) != 0)
throw new ParseException("Bad binding form, expected matched symbol/value pairs.");
ISeq body = RT.next(RT.next(form));
if (pcon.Rhc == RHC.Eval
|| (pcon.Rhc == RHC.Expression && isLoop))
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "let__" + RT.nextID());
ObjMethod method = (ObjMethod)Compiler.MethodVar.deref();
IPersistentMap backupMethodLocals = method.Locals;
IPersistentMap backupMethodIndexLocals = method.IndexLocals;
IPersistentVector recurMismatches = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count() / 2; i++)
{
recurMismatches = recurMismatches.cons(false);
}
// may repeat once for each binding with a mismatch, return breaks
while (true)
{
IPersistentMap dynamicBindings = RT.map(
Compiler.LocalEnvVar, Compiler.LocalEnvVar.deref(),
Compiler.NextLocalNumVar, Compiler.NextLocalNumVar.deref());
method.Locals = backupMethodLocals;
method.IndexLocals = backupMethodIndexLocals;
if (isLoop)
dynamicBindings = dynamicBindings.assoc(Compiler.LoopLocalsVar, null);
try
{
Var.pushThreadBindings(dynamicBindings);
IPersistentVector bindingInits = PersistentVector.EMPTY;
IPersistentVector loopLocals = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count(); i += 2)
{
if (!(bindings.nth(i) is Symbol))
throw new ParseException("Bad binding form, expected symbol, got " + bindings.nth(i));
Symbol sym = (Symbol)bindings.nth(i);
if (sym.Namespace != null)
throw new ParseException("Can't let qualified name: " + sym);
Expr init = Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), bindings.nth(i + 1), sym.Name);
if (isLoop)
{
if (recurMismatches != null && RT.booleanCast(recurMismatches.nth(i / 2)) )
{
HostArg ha = new HostArg(HostArg.ParameterType.Standard, init, null);
List<HostArg> has = new List<HostArg>(1);
has.Add(ha);
init = new StaticMethodExpr("", PersistentArrayMap.EMPTY, null, typeof(RT), "box", null, has, false);
if (RT.booleanCast(RT.WarnOnReflectionVar.deref()))
RT.errPrintWriter().WriteLine("Auto-boxing loop arg: " + sym);
}
else if (Compiler.MaybePrimitiveType(init) == typeof(int))
{
List<HostArg> args = new List<HostArg>();
args.Add(new HostArg(HostArg.ParameterType.Standard, init, null));
init = new StaticMethodExpr("", null, null, typeof(RT), "longCast", null, args, false);
}
else if (Compiler.MaybePrimitiveType(init) == typeof(float))
{
List<HostArg> args = new List<HostArg>();
args.Add(new HostArg(HostArg.ParameterType.Standard, init, null));
init = new StaticMethodExpr("", null, null, typeof(RT), "doubleCast", null, args, false);
}
}
// Sequential enhancement of env (like Lisp let*)
LocalBinding b = Compiler.RegisterLocal(sym, Compiler.TagOf(sym), init, false);
BindingInit bi = new BindingInit(b, init);
bindingInits = bindingInits.cons(bi);
if (isLoop)
loopLocals = loopLocals.cons(b);
}
if (isLoop)
Compiler.LoopLocalsVar.set(loopLocals);
Expr bodyExpr;
bool moreMismatches = false;
try
{
if (isLoop)
{
// stuff with clear paths,
Var.pushThreadBindings(RT.map(Compiler.NoRecurVar, null));
}
bodyExpr = new BodyExpr.Parser().Parse(isLoop ? pcon.SetRhc(RHC.Return) : pcon, body);
}
finally
{
if (isLoop)
{
Var.popThreadBindings();
for (int i = 0; i < loopLocals.count(); i++)
{
LocalBinding lb = (LocalBinding)loopLocals.nth(i);
if (lb.RecurMismatch)
{
recurMismatches = (IPersistentVector)recurMismatches.assoc(i, true);
moreMismatches = true;
}
}
}
}
if (!moreMismatches)
return new LetExpr(bindingInits, bodyExpr, isLoop);
}
finally
{
Var.popThreadBindings();
}
}
}
public Expr Parse(ParserContext pcon, object frm)
{
string source = (string)Compiler.SourceVar.deref();
IPersistentMap spanMap = (IPersistentMap)Compiler.SourceSpanVar.deref(); // Compiler.GetSourceSpanMap(form);
ISeq form = (ISeq)frm;
IPersistentVector loopLocals = (IPersistentVector)Compiler.LoopLocalsVar.deref();
if (pcon.Rhc != RHC.Return || loopLocals == null)
{
throw new ParseException("Can only recur from tail position");
}
if (Compiler.NoRecurVar.deref() != null)
{
throw new ParseException("Cannot recur across try");
}
IPersistentVector args = PersistentVector.EMPTY;
for (ISeq s = RT.seq(form.next()); s != null; s = s.next())
{
args = args.cons(Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), s.first()));
}
if (args.count() != loopLocals.count())
{
throw new ParseException(string.Format("Mismatched argument count to recur, expected: {0} args, got {1}",
loopLocals.count(), args.count()));
}
for (int i = 0; i < loopLocals.count(); i++)
{
LocalBinding lb = (LocalBinding)loopLocals.nth(i);
Type primt = lb.PrimitiveType;
if (primt != null)
{
bool mismatch = false;
Type pt = Compiler.MaybePrimitiveType((Expr)args.nth(i));
if (primt == typeof(long))
{
if (!(pt == typeof(long) || pt == typeof(int) || pt == typeof(short) || pt == typeof(uint) || pt == typeof(ushort) || pt == typeof(ulong) ||
pt == typeof(char) || pt == typeof(byte) || pt == typeof(sbyte)))
{
mismatch = true;
}
}
else if (primt == typeof(double))
{
if (!(pt == typeof(double) || pt == typeof(float)))
{
mismatch = true;
}
}
if (mismatch)
{
lb.RecurMismatch = true;
if (RT.booleanCast(RT.WarnOnReflectionVar.deref()))
{
RT.errPrintWriter().WriteLine("{0}:{1} recur arg for primitive local: {2} is not matching primitive, had: {3}, needed {4}",
source, spanMap != null ? (int)spanMap.valAt(RT.StartLineKey, 0) : 0,
lb.Name, pt != null ? pt.Name : "Object", primt.Name);
}
}
}
}
return(new RecurExpr(source, spanMap, loopLocals, args));
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
IPersistentVector loopLocals = (IPersistentVector)Compiler.LOOP_LOCALS.deref();
if ( pcon.Rhc != RHC.Return || loopLocals == null)
throw new InvalidOperationException("Can only recur from tail position");
if (Compiler.IN_CATCH_FINALLY.deref() != null)
throw new InvalidOperationException("Cannot recur from catch/finally.");
IPersistentVector args = PersistentVector.EMPTY;
for (ISeq s = RT.seq(form.next()); s != null; s = s.next())
args = args.cons(Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false),s.first()));
if (args.count() != loopLocals.count())
throw new ArgumentException(string.Format("Mismatched argument count to recur, expected: {0} args, got {1}",
loopLocals.count(), args.count()));
//for (int i = 0; i < loopLocals.count(); i++)
//{
// LocalBinding lb = (LocalBinding)loopLocals.nth(i);
// Type primt = lb.PrimitiveType;
// if (primt != null)
// {
// bool mismatch = false;
// Type pt = Compiler.MaybePrimitiveType((Expr)args.nth(i));
// if (pt == typeof(long))
// {
// if (!(pt == typeof(long) || pt == typeof(int) || pt == typeof(short) || pt == typeof(uint) || pt == typeof(ushort) || pt == typeof(ulong)
// || pt == typeof(char) || pt == typeof(byte) || pt == typeof(sbyte)))
// mismatch = true;
// }
// else if (pt == typeof(double))
// {
// if (!(pt == typeof(double) || pt == typeof(float)))
// mismatch = true;
// }
// if (mismatch)
// {
// lb.RecurMistmatch = true;
// if (RT.booleanCast(RT.WARN_ON_REFLECTION.deref()))
// RT.errPrintWriter().WriteLine("{0}:{1} recur arg for primitive local: {2} is not matching primitive, had: {3}, needed {4}",
// "Source", "Line", lb.Name, pt != null ? pt.Name : "Object", primt.Name);
// }
// }
//}
return new RecurExpr(loopLocals, args);
}
public Expr Parse(ParserContext pcon, object form)
{
return new MonitorEnterExpr(Compiler.Analyze(pcon.SetRhc(RHC.Expression), RT.second(form)));
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
// form => (letfn* [var1 (fn [args] body) ... ] body ... )
IPersistentVector bindings = RT.second(form) as IPersistentVector;
if (bindings == null)
throw new ParseException("Bad binding form, expected vector");
if ((bindings.count() % 2) != 0)
throw new ParseException("Bad binding form, expected matched symbol/expression pairs.");
ISeq body = RT.next(RT.next(form));
if (pcon.Rhc == RHC.Eval)
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "letfn__" + RT.nextID());
IPersistentMap dynamicBindings = RT.map(
Compiler.LocalEnvVar, Compiler.LocalEnvVar.deref(),
Compiler.NextLocalNumVar, Compiler.NextLocalNumVar.deref());
try
{
Var.pushThreadBindings(dynamicBindings);
// pre-seed env (like Lisp labels)
IPersistentVector lbs = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count(); i += 2)
{
if (!(bindings.nth(i) is Symbol))
throw new ParseException("Bad binding form, expected symbol, got " + bindings.nth(i));
Symbol sym = (Symbol)bindings.nth(i);
if (sym.Namespace != null)
throw new ParseException("Can't let qualified name: " + sym);
LocalBinding b = Compiler.RegisterLocal(sym, Compiler.TagOf(sym), null, typeof(Object), false);
// b.CanBeCleared = false;
lbs = lbs.cons(b);
}
IPersistentVector bindingInits = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count(); i += 2)
{
Symbol sym = (Symbol)bindings.nth(i);
Expr init = Compiler.Analyze(pcon.SetRhc(RHC.Expression),bindings.nth(i + 1),sym.Name);
LocalBinding b = (LocalBinding)lbs.nth(i / 2);
b.Init = init;
BindingInit bi = new BindingInit(b, init);
bindingInits = bindingInits.cons(bi);
}
return new LetFnExpr(bindingInits,new BodyExpr.Parser().Parse(pcon, body));
}
finally
{
Var.popThreadBindings();
}
}
public static Expr Parse(ParserContext pcon, ISeq form)
{
bool tailPosition = Compiler.InTailCall(pcon.Rhc);
pcon = pcon.EvalOrExpr();
Expr fexpr = Compiler.Analyze(pcon, form.first());
VarExpr varFexpr = fexpr as VarExpr;
if (varFexpr != null && varFexpr.Var.Equals(Compiler.InstanceVar) && RT.count(form) == 3)
{
Expr sexpr = Compiler.Analyze(pcon.SetRhc(RHC.Expression), RT.second(form));
if (sexpr is ConstantExpr csexpr)
{
Type tval = csexpr.Val as Type;
if (tval != null)
{
return(new InstanceOfExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), tval, Compiler.Analyze(pcon, RT.third(form))));
}
}
}
if (RT.booleanCast(Compiler.GetCompilerOption(Compiler.DirectLinkingKeyword)) &&
varFexpr != null &&
pcon.Rhc != RHC.Eval)
{
Var v = varFexpr.Var;
if (!v.isDynamic() && !RT.booleanCast(RT.get(v.meta(), Compiler.RedefKeyword, false)) && !RT.booleanCast(RT.get(v.meta(), RT.DeclaredKey, false)))
{
Symbol formTag = Compiler.TagOf(form);
//object arglists = RT.get(RT.meta(v), Compiler.ArglistsKeyword);
int arity = RT.count(form.next());
object sigtag = SigTag(arity, v);
object vtag = RT.get(RT.meta(v), RT.TagKey);
if (StaticInvokeExpr.Parse(v, RT.next(form), formTag ?? sigtag ?? vtag) is StaticInvokeExpr ret && !((Compiler.IsCompiling || Compiler.IsCompilingDefType) && GenContext.IsInternalAssembly(ret.Method.DeclaringType.Assembly)))
{
//Console.WriteLine("invoke direct: {0}", v);
return(ret);
}
//Console.WriteLine("NOT direct: {0}", v);
}
}
if (varFexpr != null && pcon.Rhc != RHC.Eval)
{
Var v = varFexpr.Var;
object arglists = RT.get(RT.meta(v), Compiler.ArglistsKeyword);
int arity = RT.count(form.next());
for (ISeq s = RT.seq(arglists); s != null; s = s.next())
{
IPersistentVector sargs = (IPersistentVector)s.first();
if (sargs.count() == arity)
{
string primc = FnMethod.PrimInterface(sargs);
if (primc != null)
{
return(Compiler.Analyze(pcon,
((IObj)RT.listStar(Symbol.intern(".invokePrim"),
((Symbol)form.first()).withMeta(RT.map(RT.TagKey, Symbol.intern(primc))),
form.next())).withMeta((IPersistentMap)RT.conj(RT.meta(v), RT.meta(form)))));
}
break;
}
}
}
if (fexpr is KeywordExpr kwFexpr && RT.count(form) == 2 && Compiler.KeywordCallsitesVar.isBound)
{
Expr target = Compiler.Analyze(pcon, RT.second(form));
return(new KeywordInvokeExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), Compiler.TagOf(form), kwFexpr, target));
}
IPersistentVector args = PersistentVector.EMPTY;
for (ISeq s = RT.seq(form.next()); s != null; s = s.next())
{
args = args.cons(Compiler.Analyze(pcon, s.first()));
}
//if (args.count() > Compiler.MAX_POSITIONAL_ARITY)
// throw new ArgumentException(String.Format("No more than {0} args supported", Compiler.MAX_POSITIONAL_ARITY));
return(new InvokeExpr((string)Compiler.SourceVar.deref(),
(IPersistentMap)Compiler.SourceSpanVar.deref(), //Compiler.GetSourceSpanMap(form),
Compiler.TagOf(form),
fexpr,
args,
tailPosition));
}
public static Expr Parse(ParserContext pcon, ISeq form)
{
pcon = pcon.EvalOrExpr();
Expr fexpr = Compiler.Analyze(pcon,form.first());
VarExpr varFexpr = fexpr as VarExpr;
if (varFexpr != null && varFexpr.Var.Equals(Compiler.InstanceVar) && RT.count(form) == 3)
{
Expr sexpr = Compiler.Analyze(pcon.SetRhc(RHC.Expression), RT.second(form));
ConstantExpr csexpr = sexpr as ConstantExpr;
if (csexpr != null)
{
Type tval = csexpr.Val as Type;
if (tval != null)
return new InstanceOfExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), tval, Compiler.Analyze(pcon, RT.third(form)));
}
}
if (varFexpr != null && pcon.Rhc != RHC.Eval)
{
Var v = varFexpr.Var;
object arglists = RT.get(RT.meta(v), Compiler.ArglistsKeyword);
int arity = RT.count(form.next());
for (ISeq s = RT.seq(arglists); s != null; s = s.next())
{
IPersistentVector sargs = (IPersistentVector)s.first();
if (sargs.count() == arity)
{
string primc = FnMethod.PrimInterface(sargs);
if (primc != null)
return Compiler.Analyze(pcon,
RT.listStar(Symbol.intern(".invokePrim"),
((Symbol)form.first()).withMeta(RT.map(RT.TagKey, Symbol.intern(primc))),
form.next()));
break;
}
}
}
KeywordExpr kwFexpr = fexpr as KeywordExpr;
if (kwFexpr != null && RT.count(form) == 2 && Compiler.KeywordCallsitesVar.isBound)
{
Expr target = Compiler.Analyze(pcon, RT.second(form));
return new KeywordInvokeExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), Compiler.TagOf(form), kwFexpr, target);
}
IPersistentVector args = PersistentVector.EMPTY;
for ( ISeq s = RT.seq(form.next()); s != null; s = s.next())
args = args.cons(Compiler.Analyze(pcon,s.first()));
//if (args.count() > Compiler.MAX_POSITIONAL_ARITY)
// throw new ArgumentException(String.Format("No more than {0} args supported", Compiler.MAX_POSITIONAL_ARITY));
return new InvokeExpr((string)Compiler.SourceVar.deref(),
(IPersistentMap)Compiler.SourceSpanVar.deref(), //Compiler.GetSourceSpanMap(form),
Compiler.TagOf(form),
fexpr,
args);
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
if (pcon.Rhc != RHC.Return)
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "try__" + RT.nextID());
// (try try-expr* catch-expr* finally-expr?)
// catch-expr: (catch class sym expr*)
// finally-expr: (finally expr*)
IPersistentVector body = PersistentVector.EMPTY;
IPersistentVector catches = PersistentVector.EMPTY;
Expr bodyExpr = null;
Expr finallyExpr = null;
bool caught = false;
ParserContext recursePcon = new ParserContext(RHC.Expression,false);
int retLocal = Compiler.GetAndIncLocalNum();
int finallyLocal = Compiler.GetAndIncLocalNum();
for (ISeq fs = form.next(); fs != null; fs = fs.next())
{
object f = fs.first();
ISeq fSeq = f as ISeq;
object op = fSeq != null ? fSeq.first() : null;
if (!Util.equals(op, Compiler.CatchSym) && !Util.equals(op, Compiler.FinallySym))
{
if (caught)
throw new ParseException("Only catch or finally clause can follow catch in try expression");
body = body.cons(f);
}
else
{
if (bodyExpr == null)
{
try
{
Var.pushThreadBindings(RT.map(Compiler.NoRecurVar, true, Compiler.InTryBlockVar, true));
bodyExpr = new BodyExpr.Parser().Parse(pcon, RT.seq(body));
}
finally
{
Var.popThreadBindings();
}
}
if (Util.equals(op, Compiler.CatchSym))
{
Type t = HostExpr.MaybeType(RT.second(f), false);
if (t == null)
throw new ParseException("Unable to resolve classname: " + RT.second(f));
if (!(RT.third(f) is Symbol))
throw new ParseException("Bad binding form, expected symbol, got: " + RT.third(f));
Symbol sym = (Symbol)RT.third(f);
if (sym.Namespace != null)
throw new ParseException("Can't bind qualified name: " + sym);
IPersistentMap dynamicBindings = RT.map(
Compiler.LocalEnvVar, Compiler.LocalEnvVar.deref(),
Compiler.NextLocalNumVar, Compiler.NextLocalNumVar.deref(),
Compiler.InCatchFinallyVar, true);
try
{
Var.pushThreadBindings(dynamicBindings);
LocalBinding lb = Compiler.RegisterLocal(sym,
(Symbol)(RT.second(f) is Symbol ? RT.second(f) : null),
null, typeof(Object), false);
Expr handler = (new BodyExpr.Parser()).Parse(recursePcon, RT.next(RT.next(RT.next(f))));
catches = catches.cons(new CatchClause(t, lb, handler)); ;
}
finally
{
Var.popThreadBindings();
}
caught = true;
}
else // finally
{
if (fs.next() != null)
throw new InvalidOperationException("finally clause must be last in try expression");
try
{
//Var.pushThreadBindings(RT.map(Compiler.IN_CATCH_FINALLY, RT.T));
Var.pushThreadBindings(RT.map(Compiler.InCatchFinallyVar, true));
finallyExpr = (new BodyExpr.Parser()).Parse(pcon.SetRhc(RHC.Statement).SetAssign(false), RT.next(f));
}
finally
{
Var.popThreadBindings();
}
}
}
}
if (bodyExpr == null)
{
// this codepath is hit when there is neither catch nor finally, e.g., (try (expr))
// return a body expr directly
try
{
Var.pushThreadBindings(RT.map(Compiler.NoRecurVar, true));
bodyExpr = (new BodyExpr.Parser()).Parse(recursePcon, RT.seq(body));
}
finally
{
Var.popThreadBindings();
}
return bodyExpr;
}
return new TryExpr(bodyExpr, catches, finallyExpr, retLocal, finallyLocal);
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
if (pcon.Rhc != RHC.Return)
return Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FN, PersistentVector.EMPTY, form)), "try__" + RT.nextID());
// (try try-expr* catch-expr* finally-expr?)
// catch-expr: (catch class sym expr*)
// finally-expr: (finally expr*)
IPersistentVector body = PersistentVector.EMPTY;
IPersistentVector catches = PersistentVector.EMPTY;
Expr bodyExpr = null;
Expr finallyExpr = null;
bool caught = false;
int retLocal = Compiler.GetAndIncLocalNum();
int finallyLocal = Compiler.GetAndIncLocalNum();
for (ISeq fs = form.next(); fs != null; fs = fs.next())
{
object f = fs.first();
object op = (f is ISeq) ? ((ISeq)f).first() : null;
if (!Util.equals(op, Compiler.CATCH) && !Util.equals(op, Compiler.FINALLY))
{
if (caught)
throw new Exception("Only catch or finally clause can follow catch in try expression");
body = body.cons(f);
}
else
{
if (bodyExpr == null)
bodyExpr = new BodyExpr.Parser().Parse(pcon.SetAssign(false),RT.seq(body));
if (Util.equals(op, Compiler.CATCH))
{
Type t = HostExpr.MaybeType(RT.second(f), false);
if (t == null)
throw new ArgumentException("Unable to resolve classname: " + RT.second(f));
if (!(RT.third(f) is Symbol))
throw new ArgumentException("Bad binding form, expected symbol, got: " + RT.third(f));
Symbol sym = (Symbol)RT.third(f);
if (sym.Namespace != null)
throw new Exception("Can't bind qualified name: " + sym);
IPersistentMap dynamicBindings = RT.map(
Compiler.LOCAL_ENV, Compiler.LOCAL_ENV.deref(),
Compiler.NEXT_LOCAL_NUM, Compiler.NEXT_LOCAL_NUM.deref(),
Compiler.IN_CATCH_FINALLY, true);
try
{
Var.pushThreadBindings(dynamicBindings);
LocalBinding lb = Compiler.RegisterLocal(sym,
(Symbol)(RT.second(f) is Symbol ? RT.second(f) : null),
null,false);
Expr handler = (new BodyExpr.Parser()).Parse(pcon.SetAssign(false), RT.next(RT.next(RT.next(f))));
catches = catches.cons(new CatchClause(t, lb, handler)); ;
}
finally
{
Var.popThreadBindings();
}
caught = true;
}
else // finally
{
if (fs.next() != null)
throw new Exception("finally clause must be last in try expression");
try
{
//Var.pushThreadBindings(RT.map(Compiler.IN_CATCH_FINALLY, RT.T));
Var.pushThreadBindings(RT.map(Compiler.IN_CATCH_FINALLY, true));
finallyExpr = (new BodyExpr.Parser()).Parse(pcon.SetRhc(RHC.Statement).SetAssign(false), RT.next(f));
}
finally
{
Var.popThreadBindings();
}
}
}
}
if ( bodyExpr == null )
bodyExpr = (new BodyExpr.Parser()).Parse(pcon, RT.seq(body));
return new TryExpr(bodyExpr, catches, finallyExpr, retLocal, finallyLocal);
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
// form => (let [var1 val1 var2 val2 ... ] body ... )
// or (loop [var1 val1 var2 val2 ... ] body ... )
bool isLoop = RT.first(form).Equals(Compiler.LoopSym);
if (!(RT.second(form) is IPersistentVector bindings))
{
throw new ParseException("Bad binding form, expected vector");
}
if ((bindings.count() % 2) != 0)
{
throw new ParseException("Bad binding form, expected matched symbol/value pairs.");
}
ISeq body = RT.next(RT.next(form));
if (pcon.Rhc == RHC.Eval ||
(pcon.Rhc == RHC.Expression && isLoop))
{
return(Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "let__" + RT.nextID()));
}
ObjMethod method = (ObjMethod)Compiler.MethodVar.deref();
IPersistentMap backupMethodLocals = method.Locals;
IPersistentMap backupMethodIndexLocals = method.IndexLocals;
IPersistentVector recurMismatches = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count() / 2; i++)
{
recurMismatches = recurMismatches.cons(false);
}
// may repeat once for each binding with a mismatch, return breaks
while (true)
{
IPersistentMap dynamicBindings = RT.map(
Compiler.LocalEnvVar, Compiler.LocalEnvVar.deref(),
Compiler.NextLocalNumVar, Compiler.NextLocalNumVar.deref());
method.SetLocals(backupMethodLocals, backupMethodIndexLocals);
if (isLoop)
{
dynamicBindings = dynamicBindings.assoc(Compiler.LoopLocalsVar, null);
}
try
{
Var.pushThreadBindings(dynamicBindings);
IPersistentVector bindingInits = PersistentVector.EMPTY;
IPersistentVector loopLocals = PersistentVector.EMPTY;
for (int i = 0; i < bindings.count(); i += 2)
{
if (!(bindings.nth(i) is Symbol))
{
throw new ParseException("Bad binding form, expected symbol, got " + bindings.nth(i));
}
Symbol sym = (Symbol)bindings.nth(i);
if (sym.Namespace != null)
{
throw new ParseException("Can't let qualified name: " + sym);
}
Expr init = Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), bindings.nth(i + 1), sym.Name);
if (isLoop)
{
if (recurMismatches != null && RT.booleanCast(recurMismatches.nth(i / 2)))
{
HostArg ha = new HostArg(HostArg.ParameterType.Standard, init, null);
List <HostArg> has = new List <HostArg>(1)
{
ha
};
init = new StaticMethodExpr("", PersistentArrayMap.EMPTY, null, typeof(RT), "box", null, has, false);
if (RT.booleanCast(RT.WarnOnReflectionVar.deref()))
{
RT.errPrintWriter().WriteLine("Auto-boxing loop arg: " + sym);
}
}
else if (Compiler.MaybePrimitiveType(init) == typeof(int))
{
List <HostArg> args = new List <HostArg>
{
new HostArg(HostArg.ParameterType.Standard, init, null)
};
init = new StaticMethodExpr("", null, null, typeof(RT), "longCast", null, args, false);
}
else if (Compiler.MaybePrimitiveType(init) == typeof(float))
{
List <HostArg> args = new List <HostArg>
{
new HostArg(HostArg.ParameterType.Standard, init, null)
};
init = new StaticMethodExpr("", null, null, typeof(RT), "doubleCast", null, args, false);
}
}
// Sequential enhancement of env (like Lisp let*)
LocalBinding b = Compiler.RegisterLocal(sym, Compiler.TagOf(sym), init, typeof(Object), false);
BindingInit bi = new BindingInit(b, init);
bindingInits = bindingInits.cons(bi);
if (isLoop)
{
loopLocals = loopLocals.cons(b);
}
}
if (isLoop)
{
Compiler.LoopLocalsVar.set(loopLocals);
}
Expr bodyExpr;
bool moreMismatches = false;
try
{
if (isLoop)
{
object methodReturnContext = pcon.Rhc == RHC.Return ? Compiler.MethodReturnContextVar.deref() : null;
// stuff with clear paths,
Var.pushThreadBindings(RT.map(Compiler.NoRecurVar, null,
Compiler.MethodReturnContextVar, methodReturnContext));
}
bodyExpr = new BodyExpr.Parser().Parse(isLoop ? pcon.SetRhc(RHC.Return) : pcon, body);
}
finally
{
if (isLoop)
{
Var.popThreadBindings();
for (int i = 0; i < loopLocals.count(); i++)
{
LocalBinding lb = (LocalBinding)loopLocals.nth(i);
if (lb.RecurMismatch)
{
recurMismatches = (IPersistentVector)recurMismatches.assoc(i, true);
moreMismatches = true;
}
}
}
}
if (!moreMismatches)
{
return(new LetExpr(bindingInits, bodyExpr, isLoop));
}
}
finally
{
Var.popThreadBindings();
}
}
}
//(case* expr shift mask default map<minhash, [test then]> table-type test-type skip-check?)
//prepared by case macro and presumed correct
//case macro binds actual expr in let so expr is always a local,
//no need to worry about multiple evaluation
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
if (pcon.Rhc == RHC.Eval)
{
return(Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "case__" + RT.nextID()));
}
IPersistentVector args = LazilyPersistentVector.create(form.next());
object exprForm = args.nth(0);
int shift = Util.ConvertToInt(args.nth(1));
int mask = Util.ConvertToInt(args.nth(2));
object defaultForm = args.nth(3);
IPersistentMap caseMap = (IPersistentMap)args.nth(4);
Keyword switchType = (Keyword)args.nth(5);
Keyword testType = (Keyword)args.nth(6);
IPersistentSet skipCheck = RT.count(args) < 8 ? null : (IPersistentSet)args.nth(7);
ISeq keys = RT.keys(caseMap);
int low = Util.ConvertToInt(RT.first(keys));
int high = Util.ConvertToInt(RT.nth(keys, RT.count(keys) - 1));
LocalBindingExpr testexpr = (LocalBindingExpr)Compiler.Analyze(pcon.SetRhc(RHC.Expression), exprForm);
SortedDictionary <int, Expr> tests = new SortedDictionary <int, Expr>();
Dictionary <int, Expr> thens = new Dictionary <int, Expr>();
foreach (IMapEntry me in caseMap)
{
int minhash = Util.ConvertToInt(me.key());
object pair = me.val(); // [test-val then-expr]
object first = RT.first(pair);
Expr testExpr = testType == _intKey
? NumberExpr.Parse(Util.ConvertToInt(first))
: (first == null ? Compiler.NilExprInstance : new ConstantExpr(first));
tests[minhash] = testExpr;
Expr thenExpr;
thenExpr = Compiler.Analyze(pcon, RT.second(pair));
thens[minhash] = thenExpr;
}
Expr defaultExpr;
defaultExpr = Compiler.Analyze(pcon, defaultForm);
return(new CaseExpr(
(IPersistentMap)Compiler.SourceSpanVar.deref(),
testexpr,
shift,
mask,
low,
high,
defaultExpr,
tests,
thens,
switchType,
testType,
skipCheck));
}
public Expr Parse(ParserContext pcon, object frm)
{
ISeq form = (ISeq)frm;
if (pcon.Rhc != RHC.Return)
{
return(Compiler.Analyze(pcon, RT.list(RT.list(Compiler.FnOnceSym, PersistentVector.EMPTY, form)), "try__" + RT.nextID()));
}
// (try try-expr* catch-expr* finally-expr?)
// catch-expr: (catch class sym expr*)
// finally-expr: (finally expr*)
IPersistentVector body = PersistentVector.EMPTY;
IPersistentVector catches = PersistentVector.EMPTY;
Expr bodyExpr = null;
Expr finallyExpr = null;
bool caught = false;
ParserContext recursePcon = new ParserContext(RHC.Expression, false);
int retLocal = Compiler.GetAndIncLocalNum();
int finallyLocal = Compiler.GetAndIncLocalNum();
for (ISeq fs = form.next(); fs != null; fs = fs.next())
{
object f = fs.first();
ISeq fSeq = f as ISeq;
object op = fSeq != null?fSeq.first() : null;
if (!Util.equals(op, Compiler.CatchSym) && !Util.equals(op, Compiler.FinallySym))
{
if (caught)
{
throw new ParseException("Only catch or finally clause can follow catch in try expression");
}
body = body.cons(f);
}
else
{
if (bodyExpr == null)
{
try
{
Var.pushThreadBindings(RT.map(Compiler.NoRecurVar, true));
bodyExpr = new BodyExpr.Parser().Parse(pcon, RT.seq(body));
}
finally
{
Var.popThreadBindings();
}
}
if (Util.equals(op, Compiler.CatchSym))
{
Type t = HostExpr.MaybeType(RT.second(f), false);
if (t == null)
{
throw new ParseException("Unable to resolve classname: " + RT.second(f));
}
if (!(RT.third(f) is Symbol))
{
throw new ParseException("Bad binding form, expected symbol, got: " + RT.third(f));
}
Symbol sym = (Symbol)RT.third(f);
if (sym.Namespace != null)
{
throw new ParseException("Can't bind qualified name: " + sym);
}
IPersistentMap dynamicBindings = RT.map(
Compiler.LocalEnvVar, Compiler.LocalEnvVar.deref(),
Compiler.NextLocalNumVar, Compiler.NextLocalNumVar.deref(),
Compiler.InCatchFinallyVar, true);
try
{
Var.pushThreadBindings(dynamicBindings);
LocalBinding lb = Compiler.RegisterLocal(sym,
(Symbol)(RT.second(f) is Symbol ? RT.second(f) : null),
null, false);
Expr handler = (new BodyExpr.Parser()).Parse(recursePcon, RT.next(RT.next(RT.next(f))));
catches = catches.cons(new CatchClause(t, lb, handler));;
}
finally
{
Var.popThreadBindings();
}
caught = true;
}
else // finally
{
if (fs.next() != null)
{
throw new InvalidOperationException("finally clause must be last in try expression");
}
try
{
//Var.pushThreadBindings(RT.map(Compiler.IN_CATCH_FINALLY, RT.T));
Var.pushThreadBindings(RT.map(Compiler.InCatchFinallyVar, true));
finallyExpr = (new BodyExpr.Parser()).Parse(pcon.SetRhc(RHC.Statement).SetAssign(false), RT.next(f));
}
finally
{
Var.popThreadBindings();
}
}
}
}
if (bodyExpr == null)
{
try
{
Var.pushThreadBindings(RT.map(Compiler.NoRecurVar, true));
bodyExpr = (new BodyExpr.Parser()).Parse(recursePcon, RT.seq(body));
}
finally
{
Var.popThreadBindings();
}
}
return(new TryExpr(bodyExpr, catches, finallyExpr, retLocal, finallyLocal));
}
public Expr Parse(ParserContext pcon, object frm)
{
string source = (string)Compiler.SourceVar.deref();
IPersistentMap spanMap = (IPersistentMap)Compiler.SourceSpanVar.deref(); // Compiler.GetSourceSpanMap(form);
ISeq form = (ISeq)frm;
IPersistentVector loopLocals = (IPersistentVector)Compiler.LoopLocalsVar.deref();
if (pcon.Rhc != RHC.Return || loopLocals == null)
throw new ParseException("Can only recur from tail position");
if (Compiler.InCatchFinallyVar.deref() != null)
throw new ParseException("Cannot recur from catch/finally.");
if (Compiler.NoRecurVar.deref() != null)
throw new ParseException("Cannot recur across try");
IPersistentVector args = PersistentVector.EMPTY;
for (ISeq s = RT.seq(form.next()); s != null; s = s.next())
args = args.cons(Compiler.Analyze(pcon.SetRhc(RHC.Expression).SetAssign(false), s.first()));
if (args.count() != loopLocals.count())
throw new ParseException(string.Format("Mismatched argument count to recur, expected: {0} args, got {1}",
loopLocals.count(), args.count()));
for (int i = 0; i < loopLocals.count(); i++)
{
LocalBinding lb = (LocalBinding)loopLocals.nth(i);
Type primt = lb.PrimitiveType;
if (primt != null)
{
bool mismatch = false;
Type pt = Compiler.MaybePrimitiveType((Expr)args.nth(i));
if (primt == typeof(long))
{
if (!(pt == typeof(long) || pt == typeof(int) || pt == typeof(short) || pt == typeof(uint) || pt == typeof(ushort) || pt == typeof(ulong)
|| pt == typeof(char) || pt == typeof(byte) || pt == typeof(sbyte)))
mismatch = true;
}
else if (primt == typeof(double))
{
if (!(pt == typeof(double) || pt == typeof(float)))
mismatch = true;
}
if (mismatch)
{
lb.RecurMismatch = true;
if (RT.booleanCast(RT.WarnOnReflectionVar.deref()))
RT.errPrintWriter().WriteLine("{0}:{1} recur arg for primitive local: {2} is not matching primitive, had: {3}, needed {4}",
source, spanMap != null ? (int)spanMap.valAt(RT.StartLineKey, 0) : 0,
lb.Name, pt != null ? pt.Name : "Object", primt.Name);
}
}
}
return new RecurExpr(source, spanMap, loopLocals, args);
}
public static Expr Parse(ParserContext pcon, ISeq form)
{
bool tailPosition = Compiler.InTailCall(pcon.Rhc);
pcon = pcon.EvalOrExpr();
Expr fexpr = Compiler.Analyze(pcon,form.first());
VarExpr varFexpr = fexpr as VarExpr;
if (varFexpr != null && varFexpr.Var.Equals(Compiler.InstanceVar) && RT.count(form) == 3)
{
Expr sexpr = Compiler.Analyze(pcon.SetRhc(RHC.Expression), RT.second(form));
ConstantExpr csexpr = sexpr as ConstantExpr;
if (csexpr != null)
{
Type tval = csexpr.Val as Type;
if (tval != null)
return new InstanceOfExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), tval, Compiler.Analyze(pcon, RT.third(form)));
}
}
if ( RT.booleanCast(Compiler.GetCompilerOption(Compiler.DirectLinkingKeyword))
&& varFexpr != null
&& pcon.Rhc != RHC.Eval )
{
Var v = varFexpr.Var;
if ( ! v.isDynamic() && !RT.booleanCast(RT.get(v.meta(), Compiler.RedefKeyword, false)) && !RT.booleanCast(RT.get(v.meta(), RT.DeclaredKey, false)) )
{
Symbol formTag = Compiler.TagOf(form);
object arglists = RT.get(RT.meta(v), Compiler.ArglistsKeyword);
int arity = RT.count(form.next());
object sigtag = SigTag(arity, v);
object vtag = RT.get(RT.meta(v), RT.TagKey);
StaticInvokeExpr ret = StaticInvokeExpr.Parse(v, RT.next(form), formTag ?? sigtag ?? vtag) as StaticInvokeExpr;
if (ret != null && !((Compiler.IsCompiling || Compiler.IsCompilingDefType) && GenContext.IsInternalAssembly(ret.Method.DeclaringType.Assembly)))
{
//Console.WriteLine("invoke direct: {0}", v);
return ret;
}
//Console.WriteLine("NOT direct: {0}", v);
}
}
if (varFexpr != null && pcon.Rhc != RHC.Eval)
{
Var v = varFexpr.Var;
object arglists = RT.get(RT.meta(v), Compiler.ArglistsKeyword);
int arity = RT.count(form.next());
for (ISeq s = RT.seq(arglists); s != null; s = s.next())
{
IPersistentVector sargs = (IPersistentVector)s.first();
if (sargs.count() == arity)
{
string primc = FnMethod.PrimInterface(sargs);
if (primc != null)
return Compiler.Analyze(pcon,
((IObj)RT.listStar(Symbol.intern(".invokePrim"),
((Symbol)form.first()).withMeta(RT.map(RT.TagKey, Symbol.intern(primc))),
form.next())).withMeta((IPersistentMap)RT.conj(RT.meta(v), RT.meta(form))));
break;
}
}
}
KeywordExpr kwFexpr = fexpr as KeywordExpr;
if (kwFexpr != null && RT.count(form) == 2 && Compiler.KeywordCallsitesVar.isBound)
{
Expr target = Compiler.Analyze(pcon, RT.second(form));
return new KeywordInvokeExpr((string)Compiler.SourceVar.deref(), (IPersistentMap)Compiler.SourceSpanVar.deref(), Compiler.TagOf(form), kwFexpr, target);
}
IPersistentVector args = PersistentVector.EMPTY;
for ( ISeq s = RT.seq(form.next()); s != null; s = s.next())
args = args.cons(Compiler.Analyze(pcon,s.first()));
//if (args.count() > Compiler.MAX_POSITIONAL_ARITY)
// throw new ArgumentException(String.Format("No more than {0} args supported", Compiler.MAX_POSITIONAL_ARITY));
return new InvokeExpr((string)Compiler.SourceVar.deref(),
(IPersistentMap)Compiler.SourceSpanVar.deref(), //Compiler.GetSourceSpanMap(form),
Compiler.TagOf(form),
fexpr,
args,
tailPosition);
}