@Specialization
protected Object doInternal(VirtualFrame frame, RPromise x) {
if (builtinCallNode == null) {
RNode call = (RNode) x.getRep();
RNode operand = (RNode) RASTUtils.unwrap(call);
if (!(operand instanceof RCallNode)) {
errorProfile.enter();
throw RError.error(this, RError.Message.INVALID_INTERNAL);
}
RCallNode callNode = (RCallNode) operand;
RNode func = callNode.getFunctionNode();
String name = ((ReadVariableNode) func).getIdentifier();
RFunction function = RContext.lookupBuiltin(name);
if (function == null
|| function.isBuiltin() && function.getRBuiltin().getKind() != RBuiltinKind.INTERNAL) {
errorProfile.enter();
if (function == null && notImplemented(name)) {
throw RInternalError.unimplemented(".Internal " + name);
}
throw RError.error(this, RError.Message.NO_SUCH_INTERNAL, name);
}
// .Internal function is validated
CompilerDirectives.transferToInterpreterAndInvalidate();
builtinCallNode = insert(RCallNode.createInternalCall(callNode, function));
}
return builtinCallNode.execute(frame);
}
private RError dimensionsError() {
if (replace) {
if (mode.isSubset()) {
if (getDimensions() == 2) {
return RError.error(this, RError.Message.INCORRECT_SUBSCRIPTS_MATRIX);
} else {
return RError.error(this, RError.Message.INCORRECT_SUBSCRIPTS);
}
} else {
return RError.error(this, RError.Message.IMPROPER_SUBSCRIPT);
}
} else {
return RError.error(this, RError.Message.INCORRECT_DIMENSIONS);
}
}
@SuppressWarnings("unused")
@Specialization
protected Object updateLengthError(Object vector, Object lengthVector) {
controlVisibility();
CompilerDirectives.transferToInterpreter();
throw RError.error(this, RError.Message.INVALID_UNNAMED_VALUE);
}
@Override
public void execute(VirtualFrame frame, Object value, MaterializedFrame enclosingFrame) {
CompilerDirectives.transferToInterpreterAndInvalidate();
if (name.isEmpty()) {
throw RError.error(RError.NO_CALLER, RError.Message.ZERO_LENGTH_VARIABLE);
}
final WriteSuperFrameVariableNode 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 =
ResolvedWriteSuperFrameVariableNodeGen.create(
mode,
rhs,
enclosingFrameNode,
FrameSlotNode.create(
findOrAddFrameSlot(
enclosingFrame.getFrameDescriptor(), name, FrameSlotKind.Illegal)),
name);
} else {
ResolvedWriteSuperFrameVariableNode actualWriteNode =
ResolvedWriteSuperFrameVariableNodeGen.create(
mode, null, null, FrameSlotNode.create(name), name);
writeNode =
new WriteSuperFrameVariableConditionalNode(
actualWriteNode, new UnresolvedWriteSuperFrameVariableNode(name, null, mode), rhs);
}
replace(writeNode).execute(frame, value, enclosingFrame);
}
@Specialization
protected REnvironment doList2Env(RList list, REnvironment env) {
RStringVector names = list.getNames();
if (names == null) {
throw RError.error(this, RError.Message.LIST_NAMES_SAME_LENGTH);
}
for (int i = list.getLength() - 1; i >= 0; i--) {
String name = names.getDataAt(i);
if (name.length() == 0) {
throw RError.error(this, RError.Message.ZERO_LENGTH_VARIABLE);
}
// in case of duplicates, last element in list wins
if (env.get(name) == null) {
env.safePut(name, list.getDataAt(i));
}
}
return env;
}
@Specialization
@TruffleBoundary
protected RNull invokeRestart(RList restart, Object args) {
checkLength(restart);
if (RErrorHandling.invokeRestart(restart, args) == null) {
throw RError.error(this, RError.Message.RESTART_NOT_ON_STACK);
} else {
return RNull.instance; // not reached
}
}
@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());
}
@Specialization
@TruffleBoundary
protected Object addCondHands(
RAbstractStringVector classes,
RList handlers,
REnvironment parentEnv,
Object target,
byte calling) {
if (classes.getLength() != handlers.getLength()) {
throw RError.error(this, RError.Message.BAD_HANDLER_DATA);
}
return RErrorHandling.createHandlers(classes, handlers, parentEnv, target, calling);
}
protected String getName(Object nameObj) {
assert nameObj instanceof RPromise;
Object rep = ((RPromise) nameObj).getRep();
if (rep instanceof WrapArgumentNode) {
rep = ((WrapArgumentNode) rep).getOperand();
}
if (rep instanceof ConstantNode) {
Object val = ((ConstantNode) rep).getValue();
if (val instanceof String) {
return (String) val;
}
if (val instanceof RSymbol) {
return ((RSymbol) val).getName();
}
} else if (rep instanceof ReadVariableNode) {
return ((ReadVariableNode) rep).getIdentifier();
} else if (rep instanceof RCallNode) {
throw RError.error(this, RError.Message.SLOT_INVALID_TYPE, "language");
}
// TODO: this is not quite correct, but I wonder if we even reach here (can also be
// augmented on demand)
throw RError.error(this, RError.Message.SLOT_INVALID_TYPE, nameObj.getClass().toString());
}
@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});
}
@Specialization
protected RList c(
String f,
RArgsValuesAndNames args,
byte naok,
byte dup,
@SuppressWarnings("unused") RMissing rPackage,
@SuppressWarnings("unused") RMissing encoding, //
@Cached("create()") BranchProfile errorProfile) {
controlVisibility();
SymbolInfo symbolInfo = DLL.findRegisteredSymbolinInDLL(f, null, "");
if (symbolInfo == null) {
errorProfile.enter();
throw RError.error(this, RError.Message.C_SYMBOL_NOT_IN_TABLE, f);
}
return DotC.dispatch(
this, symbolInfo.address, symbolInfo.symbol, naok, dup, args.getArguments());
}
private RError invalidTimes() {
throw RError.error(this, RError.Message.INVALID_ARGUMENT, "times");
}
@Specialization
protected Object doInternal(@SuppressWarnings("unused") RMissing x) {
errorProfile.enter();
throw RError.error(this, RError.Message.ARGUMENTS_PASSED_0_1, getRBuiltin().name());
}
@Override
public int readBin(ByteBuffer buffer) throws IOException {
throw RError.error(RError.SHOW_CALLER2, RError.Message.ONLY_READ_BINARY_CONNECTION);
}
protected void checkLength(RList restart) {
if (restart.getLength() < 2) {
throw RError.error(this, RError.Message.BAD_RESTART);
}
}
static PolyglotEngine createPolyglotEngineFromCommandLine(
RCmdOptions options,
boolean embedded,
boolean initial,
InputStream inStream,
OutputStream outStream,
String[] env) {
RStartParams rsp = new RStartParams(options, embedded);
String fileArg = options.getString(FILE);
if (fileArg != null) {
if (options.getStringList(EXPR) != null) {
Utils.rSuicide("cannot use -e with -f or --file");
}
if (!rsp.getSlave()) {
rsp.setSaveAction(SA_TYPE.NOSAVE);
}
if (fileArg.equals("-")) {
// means stdin, but still implies NO_SAVE
fileArg = null;
} else {
fileArg = unescapeSpace(fileArg);
}
// cf GNU R
rsp.setInteractive(false);
}
/*
* Outputting the welcome message here has the virtue that the VM initialization delay
* occurs later. However, it does not work in embedded mode as console redirects have not
* been installed at this point. So we do it later in REmbedded.
*/
if (!rsp.getQuiet() && !embedded) {
System.out.println(RRuntime.WELCOME_MESSAGE);
}
/*
* Whether the input is from stdin, a file (-f), or an expression on the command line (-e)
* it goes through the console. N.B. -f and -e can't be used together and this is already
* checked.
*/
ConsoleHandler consoleHandler;
if (fileArg != null) {
List<String> lines;
String filePath;
try {
/*
* If initial==false, ~ expansion will not have been done and the open will fail.
* It's harmless to always do it.
*/
File file = new File(Utils.tildeExpand(fileArg));
lines = Files.readAllLines(file.toPath());
filePath = file.getCanonicalPath();
} catch (IOException e) {
if (initial) {
throw Utils.rSuicide(String.format(RError.Message.NO_SUCH_FILE.message, fileArg));
} else {
throw RError.error(RError.NO_CALLER, RError.Message.NO_SUCH_FILE, fileArg);
}
}
consoleHandler = new StringConsoleHandler(lines, outStream, filePath);
} else if (options.getStringList(EXPR) != null) {
List<String> exprs = options.getStringList(EXPR);
for (int i = 0; i < exprs.size(); i++) {
exprs.set(i, unescapeSpace(exprs.get(i)));
}
if (!rsp.getSlave()) {
rsp.setSaveAction(SA_TYPE.NOSAVE);
}
// cf GNU R
rsp.setInteractive(false);
consoleHandler =
new StringConsoleHandler(exprs, outStream, RSource.Internal.EXPRESSION_INPUT.string);
} else {
/*
* GnuR behavior differs from the manual entry for {@code interactive} in that {@code
* --interactive} never applies to {@code -e/-f}, only to console input that has been
* redirected from a pipe/file etc.
*
* If we are in embedded mode, the creation of ConsoleReader and the ConsoleHandler
* should be lazy, as these may not be necessary and can cause hangs if stdin has been
* redirected.
*/
Console sysConsole = System.console(); // TODO fix for context sessions
boolean isInteractive = options.getBoolean(INTERACTIVE) || sysConsole != null;
if (!isInteractive
&& rsp.getSaveAction() != SA_TYPE.SAVE
&& rsp.getSaveAction() != SA_TYPE.NOSAVE) {
String msg = "you must specify '--save', '--no-save' or '--vanilla'";
if (initial) {
throw Utils.rSuicide(msg);
} else {
throw RError.error(RError.NO_CALLER, RError.Message.GENERIC, msg);
}
}
if (embedded) {
consoleHandler = new EmbeddedConsoleHandler(rsp);
} else {
boolean useReadLine = !rsp.getNoReadline();
if (useReadLine) {
consoleHandler = new JLineConsoleHandler(rsp, inStream, outStream);
} else {
consoleHandler = new DefaultConsoleHandler(inStream, outStream);
}
}
}
return ContextInfo.create(
rsp,
env,
ContextKind.SHARE_NOTHING,
initial ? null : RContext.getInstance(),
consoleHandler)
.createVM();
}
@Override
public byte[] readBinChars() throws IOException {
throw RError.error(RError.SHOW_CALLER2, RError.Message.ONLY_READ_BINARY_CONNECTION);
}
@Override
public void writeBin(ByteBuffer buffer) throws IOException {
throw RError.error(RError.SHOW_CALLER2, RError.Message.ONLY_WRITE_BINARY_CONNECTION);
}
@SuppressWarnings("unused")
@Fallback
protected REnvironment doList2Env(Object obj, REnvironment env) {
throw RError.error(this, RError.Message.FIRST_ARGUMENT_NOT_NAMED_LIST);
}
