// TODO Figure out how to distinguish f(,,a) from f(a) - RMissing is used in both contexts
@RBuiltin(
name = "nargs",
kind = PRIMITIVE,
parameterNames = {})
public abstract class NArgs extends RBuiltinNode {
private final BranchProfile isPromiseProfile = BranchProfile.create();
@Specialization
protected int doNArgs(VirtualFrame frame) {
int result = 0;
if (RArguments.getFunction(frame) == null) {
return RRuntime.INT_NA;
}
int l = RArguments.getArgumentsLength(frame);
for (int i = 0; i < l; i++) {
Object arg = RArguments.getArgument(frame, i);
if (arg instanceof RPromise) {
isPromiseProfile.enter();
RPromise promise = (RPromise) arg;
if (!promise.isDefault()) {
result++;
}
} else if (arg instanceof RArgsValuesAndNames) {
result += ((RArgsValuesAndNames) arg).getLength();
} else if (!(arg instanceof RMissing)) {
result++;
}
}
return result;
}
}
@RBuiltin(
name = ".External.graphics",
kind = RBuiltinKind.PRIMITIVE,
parameterNames = {".NAME", "...", "PACKAGE"})
public abstract static class DotExternalGraphics extends LookupAdapter {
private final BranchProfile errorProfile = BranchProfile.create();
@Override
protected RExternalBuiltinNode lookupBuiltin(RList f) {
if (FastROptions.UseInternalGraphics.getBooleanValue()) {
switch (lookupName(f)) {
case "C_mtext":
return new GraphicsCCalls.C_mtext();
case "C_plotXY":
return new C_PlotXY();
}
}
return null;
}
@SuppressWarnings("unused")
@Specialization(
limit = "1",
guards = {"cached == f", "builtin != null"})
protected Object doExternal(
RList f,
RArgsValuesAndNames args,
RMissing packageName, //
@Cached("f") RList cached, //
@Cached("lookupBuiltin(f)") RExternalBuiltinNode builtin) {
controlVisibility();
return builtin.call(args);
}
@Specialization
public Object callNamedFunction(
VirtualFrame frame,
RList symbol,
RArgsValuesAndNames args,
@SuppressWarnings("unused") Object packageName) {
String name = getNameFromSymbolInfo(frame, symbol);
Object list = encodeArgumentPairList(args, name);
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(getAddressFromSymbolInfo(frame, symbol), name, new Object[] {list});
}
@Specialization
public Object callNamedFunction(
String name, RArgsValuesAndNames args, @SuppressWarnings("unused") RMissing packageName) {
return callNamedFunctionWithPackage(name, args, null);
}
@Specialization
public Object callNamedFunctionWithPackage(
String name, RArgsValuesAndNames args, String packageName) {
controlVisibility();
SymbolInfo symbolInfo = DLL.findSymbolInfo(name, packageName);
if (symbolInfo == null) {
errorProfile.enter();
throw RError.error(this, Message.C_SYMBOL_NOT_IN_TABLE, name);
}
Object list = encodeArgumentPairList(args, symbolInfo.symbol);
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(symbolInfo.address, symbolInfo.symbol, new Object[] {list});
}
@Fallback
protected Object fallback(
Object f,
@SuppressWarnings("unused") Object args,
@SuppressWarnings("unused") Object packageName) {
throw fallback(f);
}
}
@RBuiltin(
name = ".Call.graphics",
kind = RBuiltinKind.PRIMITIVE,
parameterNames = {".NAME", "...", "PACKAGE"})
public abstract static class DotCallGraphics extends LookupAdapter {
private final BranchProfile errorProfile = BranchProfile.create();
@Override
public Object[] getDefaultParameterValues() {
return new Object[] {RMissing.instance, RArgsValuesAndNames.EMPTY, RMissing.instance};
}
@Override
protected RExternalBuiltinNode lookupBuiltin(RList f) {
switch (lookupName(f)) {
default:
return null;
}
}
@SuppressWarnings("unused")
@Specialization(
limit = "1",
guards = {"cached == f", "builtin != null"})
protected Object doExternal(
RList f,
RArgsValuesAndNames args,
RMissing packageName, //
@Cached("f") RList cached, //
@Cached("lookupBuiltin(f)") RExternalBuiltinNode builtin) {
controlVisibility();
return builtin.call(args);
}
@Specialization
public Object callNamedFunction(
VirtualFrame frame,
RList symbol,
RArgsValuesAndNames args,
@SuppressWarnings("unused") Object packageName) {
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(
getAddressFromSymbolInfo(frame, symbol),
getNameFromSymbolInfo(frame, symbol),
args.getArguments());
}
@Specialization
public Object callNamedFunction(
String name, RArgsValuesAndNames args, @SuppressWarnings("unused") RMissing packageName) {
return callNamedFunctionWithPackage(name, args, null);
}
@Specialization
public Object callNamedFunctionWithPackage(
String name, RArgsValuesAndNames args, String packageName) {
controlVisibility();
SymbolInfo symbolInfo = DLL.findSymbolInfo(name, packageName);
if (symbolInfo == null) {
errorProfile.enter();
throw RError.error(this, Message.C_SYMBOL_NOT_IN_TABLE, name);
}
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(symbolInfo.address, symbolInfo.symbol, args.getArguments());
}
@Fallback
protected Object dotCallFallback(
Object fobj,
@SuppressWarnings("unused") Object args,
@SuppressWarnings("unused") Object packageName) {
throw fallback(fobj);
}
}
@RBuiltin(
name = ".External2",
kind = RBuiltinKind.PRIMITIVE,
parameterNames = {".NAME", "...", "PACKAGE"})
public abstract static class DotExternal2 extends LookupAdapter {
private static final Object CALL = "call";
private static final Object OP = "op";
private static final Object RHO = "rho";
private final BranchProfile errorProfile = BranchProfile.create();
@Override
protected RExternalBuiltinNode lookupBuiltin(RList f) {
if (FastROptions.UseInternalGraphics.getBooleanValue()) {
switch (lookupName(f)) {
case "C_par":
return new C_Par();
}
}
String name = lookupName(f);
switch (name) {
// tools
case "writetable":
return new WriteTable();
case "typeconvert":
return TypeConvertNodeGen.create();
case "C_parseRd":
return C_ParseRdNodeGen.create();
default:
return null;
}
}
@SuppressWarnings("unused")
@Specialization(
limit = "1",
guards = {"cached == f", "builtin != null"})
protected Object doExternal(
RList f,
RArgsValuesAndNames args,
RMissing packageName, //
@Cached("f") RList cached, //
@Cached("lookupBuiltin(f)") RExternalBuiltinNode builtin) {
controlVisibility();
return builtin.call(args);
}
@Specialization
public Object callNamedFunction(
VirtualFrame frame,
RList symbol,
RArgsValuesAndNames args,
@SuppressWarnings("unused") Object packageName) {
String name = getNameFromSymbolInfo(frame, symbol);
Object list = encodeArgumentPairList(args, name);
// TODO: provide proper values for the CALL, OP and RHO parameters
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(
getAddressFromSymbolInfo(frame, symbol), name, new Object[] {CALL, OP, list, RHO});
}
@Specialization
public Object callNamedFunction(
String name, RArgsValuesAndNames args, @SuppressWarnings("unused") RMissing packageName) {
return callNamedFunctionWithPackage(name, args, null);
}
@Specialization
public Object callNamedFunctionWithPackage(
String name, RArgsValuesAndNames args, String packageName) {
controlVisibility();
SymbolInfo symbolInfo = DLL.findSymbolInfo(name, packageName);
if (symbolInfo == null) {
errorProfile.enter();
throw RError.error(this, Message.C_SYMBOL_NOT_IN_TABLE, name);
}
Object list = encodeArgumentPairList(args, symbolInfo.symbol);
// TODO: provide proper values for the CALL, OP and RHO parameters
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(symbolInfo.address, symbolInfo.symbol, new Object[] {CALL, OP, list, RHO});
}
@Fallback
protected Object fallback(
Object f,
@SuppressWarnings("unused") Object args,
@SuppressWarnings("unused") Object packageName) {
throw fallback(f);
}
}
@RBuiltin(
name = ".External",
kind = RBuiltinKind.PRIMITIVE,
parameterNames = {".NAME", "...", "PACKAGE"})
public abstract static class DotExternal extends LookupAdapter {
private final BranchProfile errorProfile = BranchProfile.create();
@Override
protected RExternalBuiltinNode lookupBuiltin(RList f) {
String name = lookupName(f);
if (FastROptions.UseInternalGraphics.getBooleanValue()) {
switch (name) {
case "PDF":
return new DevicesCCalls.C_PDF();
case "devoff":
return new DevicesCCalls.C_DevOff();
case "devcur":
return new DevicesCCalls.C_DevCur();
}
}
switch (name) {
case "compcases":
return new CompleteCases();
// utils
case "countfields":
return new CountFields();
case "readtablehead":
return new ReadTableHead();
case "rnorm":
return RnormNodeGen.create();
case "runif":
return RunifNodeGen.create();
case "qgamma":
return QgammaNodeGen.create();
case "download":
return new Download();
case "unzip":
case "Rprof":
case "Rprofmem":
case "addhistory":
case "loadhistory":
case "savehistory":
case "dataentry":
case "dataviewer":
case "edit":
case "fileedit":
case "selectlist":
return new UnimplementedExternal(name);
default:
return null;
}
}
@SuppressWarnings("unused")
@Specialization(
limit = "1",
guards = {"cached == f", "builtin != null"})
protected Object doExternal(
RList f,
RArgsValuesAndNames args,
RMissing packageName, //
@Cached("f") RList cached, //
@Cached("lookupBuiltin(f)") RExternalBuiltinNode builtin) {
controlVisibility();
return builtin.call(args);
}
@Specialization
public Object callNamedFunction(
VirtualFrame frame,
RList symbol,
RArgsValuesAndNames args,
@SuppressWarnings("unused") Object packageName) {
String name = getNameFromSymbolInfo(frame, symbol);
Object list = encodeArgumentPairList(args, name);
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(getAddressFromSymbolInfo(frame, symbol), name, new Object[] {list});
}
@Specialization
public Object callNamedFunction(
String name, RArgsValuesAndNames args, @SuppressWarnings("unused") RMissing packageName) {
return callNamedFunctionWithPackage(name, args, null);
}
@Specialization
public Object callNamedFunctionWithPackage(
String name, RArgsValuesAndNames args, String packageName) {
controlVisibility();
SymbolInfo symbolInfo = DLL.findSymbolInfo(name, packageName);
if (symbolInfo == null) {
errorProfile.enter();
throw RError.error(this, Message.C_SYMBOL_NOT_IN_TABLE, name);
}
Object list = encodeArgumentPairList(args, symbolInfo.symbol);
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(symbolInfo.address, symbolInfo.symbol, new Object[] {list});
}
@Fallback
protected Object fallback(
Object f,
@SuppressWarnings("unused") Object args,
@SuppressWarnings("unused") Object packageName) {
throw fallback(f);
}
}
/**
* Handles the generic case, but also many special case functions that are called from the default
* packages.
*/
@RBuiltin(
name = ".Call",
kind = RBuiltinKind.PRIMITIVE,
parameterNames = {".NAME", "...", "PACKAGE"})
public abstract static class DotCall extends LookupAdapter {
private final BranchProfile errorProfile = BranchProfile.create();
@Override
public Object[] getDefaultParameterValues() {
return new Object[] {RMissing.instance, RArgsValuesAndNames.EMPTY, RMissing.instance};
}
@Override
protected RExternalBuiltinNode lookupBuiltin(RList f) {
String name = lookupName(f);
switch (name) {
// methods
case "R_initMethodDispatch":
return R_initMethodDispatchNodeGen.create();
case "R_methodsPackageMetaName":
return R_methodsPackageMetaNameNodeGen.create();
case "R_set_method_dispatch":
return R_set_method_dispatchNodeGen.create();
case "R_M_setPrimitiveMethods":
return R_M_setPrimitiveMethodsNodeGen.create();
case "R_getClassFromCache":
return R_getClassFromCacheNodeGen.create();
case "R_clear_method_selection":
case "R_dummy_extern_place":
case "R_el_named":
return new UnimplementedExternal(name);
case "R_externalptr_prototype_object":
return R_externalPtrPrototypeObjectNodeGen.create();
case "R_getGeneric":
return R_getGenericNodeGen.create();
case "R_get_slot":
return R_getSlotNodeGen.create();
case "R_hasSlot":
return new UnimplementedExternal(name);
case "R_identC":
return R_identCNodeGen.create();
case "R_methods_test_MAKE_CLASS":
case "R_methods_test_NEW":
case "R_missingArg":
case "R_nextMethodCall":
return R_nextMethodCallNodeGen.create();
case "R_quick_method_check":
case "R_selectMethod":
case "R_set_el_named":
return new UnimplementedExternal(name);
case "R_set_slot":
return R_setSlotNodeGen.create();
case "R_standardGeneric":
return new UnimplementedExternal(name);
case "do_substitute_direct":
return SubstituteDirectNodeGen.create();
case "Rf_allocS4Object":
case "R_get_primname":
return new UnimplementedExternal(name);
case "new_object":
return NewObjectNodeGen.create();
// stats
case "fft":
return new Fft();
case "cov":
return new Covcor(false);
case "cor":
return new Covcor(true);
case "SplineCoef":
return SplineCoefNodeGen.create();
case "SplineEval":
return SplineEvalNodeGen.create();
case "cutree":
case "isoreg":
case "monoFC_m":
case "numeric_deriv":
case "nls_iter":
case "setup_starma":
case "free_starma":
case "set_trans":
case "arma0fa":
case "get_s2":
case "get_resid":
case "Dotrans":
case "arma0_kfore":
case "Starma_method":
case "Invtrans":
case "Gradtrans":
case "ARMAtoMA":
case "KalmanLike":
case "KalmanFore":
case "KalmanSmooth":
case "ARIMA_undoPars":
case "ARIMA_transPars":
case "ARIMA_Invtrans":
case "ARIMA_Gradtrans":
case "ARIMA_Like":
case "ARIMA_CSS":
case "TSconv":
case "getQ0":
case "getQ0bis":
case "port_ivset":
case "port_nlminb":
case "port_nlsb":
case "logit_link":
case "logit_linkinv":
case "logit_mu_eta":
case "binomial_dev_resids":
case "rWishart":
case "Cdqrls":
case "Cdist":
case "updateform":
case "mvfft":
case "nextn":
case "r2dtable":
case "cfilter":
case "rfilter":
case "lowess":
case "DoubleCentre":
case "BinDist":
case "Rsm":
case "tukeyline":
case "runmed":
case "influence":
case "pSmirnov2x":
case "pKolmogorov2x":
case "pKS2":
case "ksmooth":
case "Approx":
case "ApproxTest":
case "LogLin":
case "pAnsari":
case "qAnsari":
case "pKendall":
case "pRho":
case "SWilk":
case "bw_den":
case "bw_ucv":
case "bw_bcv":
case "bw_phi4":
case "bw_phi6":
case "acf":
case "pacf1":
case "ar2ma":
case "Burg":
case "intgrt_vec":
case "pp_sum":
case "Fexact":
case "Fisher_sim":
case "chisq_sim":
case "d2x2xk":
return new UnimplementedExternal(name);
// tools
case "doTabExpand":
return DoTabExpandNodeGen.create();
case "codeFilesAppend":
return CodeFilesAppendNodeGen.create();
case "Rmd5":
return Rmd5NodeGen.create();
case "dirchmod":
return DirChmodNodeGen.create();
case "delim_match":
case "C_getfmts":
case "check_nonASCII":
case "check_nonASCII2":
case "ps_kill":
case "ps_sigs":
case "ps_priority":
case "startHTTPD":
case "stopHTTPD":
case "C_deparseRd":
return new UnimplementedExternal(name);
// utils
case "crc64":
return Crc64NodeGen.create();
case "flushconsole":
return new Flushconsole();
case "menu":
return MenuNodeGen.create();
case "nsl":
case "objectSize":
case "processevents":
case "octsize":
case "sockconnect":
case "sockread":
case "sockclose":
case "sockopen":
case "socklisten":
case "sockwrite":
return new UnimplementedExternal(name);
// grDevices
case "cairoProps":
return CairoPropsNodeGen.create();
case "makeQuartzDefault":
return new MakeQuartzDefault();
// grid
case "L_initGrid":
return InitGridNodeGen.create();
default:
return null;
}
}
@SuppressWarnings("unused")
@Specialization(
limit = "1",
guards = {"cached == f", "builtin != null"})
protected Object doExternal(
RList f,
RArgsValuesAndNames args,
RMissing packageName, //
@Cached("f") RList cached, //
@Cached("lookupBuiltin(f)") RExternalBuiltinNode builtin) {
controlVisibility();
return builtin.call(args);
}
@Specialization
public Object callNamedFunction(
VirtualFrame frame,
RList symbol,
RArgsValuesAndNames args,
@SuppressWarnings("unused") Object packageName) {
controlVisibility();
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(
getAddressFromSymbolInfo(frame, symbol),
getNameFromSymbolInfo(frame, symbol),
args.getArguments());
}
@Specialization
public Object callNamedFunction(
String name, RArgsValuesAndNames args, @SuppressWarnings("unused") RMissing packageName) {
return callNamedFunctionWithPackage(name, args, null);
}
@Specialization
public Object callNamedFunctionWithPackage(
String name, RArgsValuesAndNames args, String packageName) {
controlVisibility();
SymbolInfo symbolInfo = DLL.findSymbolInfo(name, packageName);
if (symbolInfo == null) {
errorProfile.enter();
throw RError.error(this, Message.C_SYMBOL_NOT_IN_TABLE, name);
}
return RFFIFactory.getRFFI()
.getCallRFFI()
.invokeCall(symbolInfo.address, symbolInfo.symbol, args.getArguments());
}
@Fallback
protected Object dotCallFallback(
Object fobj,
@SuppressWarnings("unused") Object args,
@SuppressWarnings("unused") Object packageName) {
throw fallback(fobj);
}
}
/**
* {@link WriteSuperFrameVariableNode} captures a write to a variable in some parent frame.
*
* <p>The state starts out a "unresolved" and transforms to "resolved".
*/
@SuppressWarnings("unused")
@NodeChildren({
@NodeChild(value = "enclosingFrame", type = AccessEnclosingFrameNode.class),
@NodeChild(value = "frameSlotNode", type = FrameSlotNode.class)
})
@NodeField(name = "mode", type = Mode.class)
public abstract class WriteSuperFrameVariableNode extends WriteSuperFrameVariableNodeHelper {
private final ValueProfile storedObjectProfile = ValueProfile.createClassProfile();
private final BranchProfile invalidateProfile = BranchProfile.create();
private final ValueProfile enclosingFrameProfile = ValueProfile.createClassProfile();
protected abstract FrameSlotNode getFrameSlotNode();
public abstract Mode getMode();
public static WriteVariableNode create(String name, RNode rhs, Mode mode) {
return new UnresolvedWriteSuperFrameVariableNode(name, rhs, mode);
}
@Specialization(guards = "isLogicalKind(frame, frameSlot)")
protected void doLogical(
VirtualFrame frame, byte value, MaterializedFrame enclosingFrame, FrameSlot frameSlot) {
FrameSlotChangeMonitor.setByteAndInvalidate(
enclosingFrameProfile.profile(enclosingFrame), frameSlot, value, true, invalidateProfile);
}
@Specialization(guards = "isIntegerKind(frame, frameSlot)")
protected void doInteger(
VirtualFrame frame, int value, MaterializedFrame enclosingFrame, FrameSlot frameSlot) {
FrameSlotChangeMonitor.setIntAndInvalidate(
enclosingFrameProfile.profile(enclosingFrame), frameSlot, value, true, invalidateProfile);
}
@Specialization(guards = "isDoubleKind(frame, frameSlot)")
protected void doDouble(
VirtualFrame frame, double value, MaterializedFrame enclosingFrame, FrameSlot frameSlot) {
FrameSlotChangeMonitor.setDoubleAndInvalidate(
enclosingFrameProfile.profile(enclosingFrame), frameSlot, value, true, invalidateProfile);
}
@Specialization
protected void doObject(
VirtualFrame frame, Object value, MaterializedFrame enclosingFrame, FrameSlot frameSlot) {
MaterializedFrame profiledFrame = enclosingFrameProfile.profile(enclosingFrame);
Object newValue =
shareObjectValue(
profiledFrame, frameSlot, storedObjectProfile.profile(value), getMode(), true);
FrameSlotChangeMonitor.setObjectAndInvalidate(
profiledFrame, frameSlot, newValue, true, invalidateProfile);
}
public static class UnresolvedWriteSuperFrameVariableNode
extends WriteSuperFrameVariableNodeHelper {
@Child private RNode rhs;
private final String symbol;
private final BaseWriteVariableNode.Mode mode;
public UnresolvedWriteSuperFrameVariableNode(
String symbol, RNode rhs, BaseWriteVariableNode.Mode mode) {
this.rhs = rhs;
this.symbol = symbol;
this.mode = mode;
}
@Override
public String getName() {
return symbol;
}
@Override
public RNode getRhs() {
return rhs;
}
@Override
public void execute(VirtualFrame frame, Object value, MaterializedFrame enclosingFrame) {
CompilerDirectives.transferToInterpreterAndInvalidate();
if (getName().isEmpty()) {
throw RError.error(this, RError.Message.ZERO_LENGTH_VARIABLE);
}
final WriteSuperFrameVariableNodeHelper writeNode;
if (REnvironment.isGlobalEnvFrame(enclosingFrame)) {
/*
* we've reached the global scope, do unconditional write. if this is the first node
* in the chain, needs the rhs and enclosingFrame nodes
*/
AccessEnclosingFrameNode enclosingFrameNode =
RArguments.getEnclosingFrame(frame) == enclosingFrame
? new AccessEnclosingFrameNode()
: null;
writeNode =
WriteSuperFrameVariableNodeGen.create(
getRhs(),
enclosingFrameNode,
FrameSlotNode.create(
findOrAddFrameSlot(
enclosingFrame.getFrameDescriptor(), symbol, FrameSlotKind.Illegal)),
getName(),
mode);
} else {
WriteSuperFrameVariableNode actualWriteNode =
WriteSuperFrameVariableNodeGen.create(
null, null, FrameSlotNode.create(symbol), this.getName(), mode);
writeNode =
new WriteSuperFrameVariableConditionalNode(
actualWriteNode,
new UnresolvedWriteSuperFrameVariableNode(symbol, null, mode),
getRhs());
}
replace(writeNode).execute(frame, value, enclosingFrame);
}
@Override
public void execute(VirtualFrame frame, Object value) {
CompilerDirectives.transferToInterpreterAndInvalidate();
MaterializedFrame enclosingFrame = RArguments.getEnclosingFrame(frame);
if (enclosingFrame != null) {
execute(frame, value, enclosingFrame);
} else {
// we're in global scope, do a local write instead
replace(UnresolvedWriteLocalFrameVariableNodeGen.create(getRhs(), symbol, mode))
.execute(frame, value);
}
}
}
public static class WriteSuperFrameVariableConditionalNode
extends WriteSuperFrameVariableNodeHelper {
@Child private WriteSuperFrameVariableNode writeNode;
@Child private WriteSuperFrameVariableNodeHelper nextNode;
@Child private RNode rhs;
private final ValueProfile enclosingFrameProfile = ValueProfile.createClassProfile();
private final ConditionProfile hasValueProfile = ConditionProfile.createBinaryProfile();
private final ConditionProfile nullSuperFrameProfile = ConditionProfile.createBinaryProfile();
WriteSuperFrameVariableConditionalNode(
WriteSuperFrameVariableNode writeNode,
WriteSuperFrameVariableNodeHelper nextNode,
RNode rhs) {
this.writeNode = writeNode;
this.nextNode = nextNode;
this.rhs = rhs;
}
@Override
public Object getName() {
return writeNode.getName();
}
@Override
public RNode getRhs() {
return rhs;
}
@Override
public void execute(VirtualFrame frame, Object value, MaterializedFrame enclosingFrame) {
MaterializedFrame profiledEnclosingFrame = enclosingFrameProfile.profile(enclosingFrame);
if (hasValueProfile.profile(writeNode.getFrameSlotNode().hasValue(profiledEnclosingFrame))) {
writeNode.execute(frame, value, profiledEnclosingFrame);
} else {
MaterializedFrame superFrame = RArguments.getEnclosingFrame(profiledEnclosingFrame);
if (nullSuperFrameProfile.profile(superFrame == null)) {
// Might be the case if "{ x <<- 42 }": This is in globalEnv!
superFrame = REnvironment.globalEnv().getFrame();
}
nextNode.execute(frame, value, superFrame);
}
}
@Override
public void execute(VirtualFrame frame, Object value) {
assert RArguments.getEnclosingFrame(frame) != null;
execute(frame, value, RArguments.getEnclosingFrame(frame));
}
}
}
/**
* Represents a block of code run with exception handlers. There's no {@code try} keyword in Ruby -
* it's implicit - but it's similar to a try statement in any other language.
*/
public class TryNode extends RubyNode {
@Child protected ExceptionTranslatingNode tryPart;
@Children final RescueNode[] rescueParts;
@Child protected RubyNode elsePart;
@Child protected WriteInstanceVariableNode clearExceptionVariableNode;
private final BranchProfile elseProfile = BranchProfile.create();
private final BranchProfile controlFlowProfile = BranchProfile.create();
private final BranchProfile raiseExceptionProfile = BranchProfile.create();
public TryNode(
RubyContext context,
SourceSection sourceSection,
ExceptionTranslatingNode tryPart,
RescueNode[] rescueParts,
RubyNode elsePart) {
super(context, sourceSection);
this.tryPart = tryPart;
this.rescueParts = rescueParts;
this.elsePart = elsePart;
clearExceptionVariableNode =
new WriteInstanceVariableNode(
context,
sourceSection,
"$!",
new ObjectLiteralNode(
context, sourceSection, context.getCoreLibrary().getGlobalVariablesObject()),
new ObjectLiteralNode(context, sourceSection, context.getCoreLibrary().getNilObject()),
true);
}
@Override
public Object execute(VirtualFrame frame) {
while (true) {
getContext().getSafepointManager().poll();
Object result;
try {
result = tryPart.execute(frame);
} catch (ControlFlowException exception) {
controlFlowProfile.enter();
throw exception;
} catch (RaiseException exception) {
raiseExceptionProfile.enter();
try {
return handleException(frame, exception);
} catch (RetryException e) {
continue;
}
} finally {
clearExceptionVariableNode.execute(frame);
}
elseProfile.enter();
elsePart.executeVoid(frame);
return result;
}
}
@ExplodeLoop
private Object handleException(VirtualFrame frame, RaiseException exception) {
CompilerAsserts.neverPartOfCompilation();
notDesignedForCompilation();
getContext()
.getCoreLibrary()
.getGlobalVariablesObject()
.getOperations()
.setInstanceVariable(
getContext().getCoreLibrary().getGlobalVariablesObject(),
"$!",
exception.getRubyException());
for (RescueNode rescue : rescueParts) {
if (rescue.canHandle(frame, exception.getRubyException())) {
return rescue.execute(frame);
}
}
throw exception;
}
}