public static IRubyObject INTERPRET_EVAL(
Ruby runtime, ThreadContext context, Node node, String name, IRubyObject self, Block block) {
try {
ThreadContext.pushBacktrace(context, name, node.getPosition());
return node.interpret(runtime, context, self, block);
} finally {
ThreadContext.popBacktrace(context);
}
}
private void processMethod(String methodName, Node argsNode, Node body) {
sb.append("(method ").append(methodName).append(' ');
// JRUBY-4301, include filename and line in sexp
sb.append("(file ").append(new File(body.getPosition().getFile()).getName()).append(") ");
sb.append("(line ").append(body.getPosition().getStartLine()).append(") ");
process(argsNode);
sb.append(" ");
process(body);
sb.append(")");
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
return context
.getCurrentFrame()
.getBlock()
.yieldSpecific(
context,
argument1.interpret(runtime, context, self, aBlock),
argument2.interpret(runtime, context, self, aBlock));
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
IRubyObject result = firstNode.interpret(runtime, context, self, aBlock);
if (!result.isTrue()) {
result = secondNode.interpret(runtime, context, self, aBlock);
}
return result;
}
private static Block getBlockPassBlock(
Node blockNode, Ruby runtime, ThreadContext context, IRubyObject self, Block currentBlock) {
Node bodyNode = ((BlockPassNode) blockNode).getBodyNode();
IRubyObject proc;
if (bodyNode == null) {
proc = runtime.getNil();
} else {
proc = bodyNode.interpret(runtime, context, self, currentBlock);
}
return Helpers.getBlockFromBlockPassBody(proc, currentBlock);
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
IRubyObject receiver = getReceiverNode().interpret(runtime, context, self, aBlock);
return callAdapter.callIter(
context,
self,
receiver,
arg1.interpret(runtime, context, self, aBlock),
arg2.interpret(runtime, context, self, aBlock),
Helpers.getBlock(context, self, iterNode));
}
@Specialization
public Object parseTree() {
notDesignedForCompilation();
final org.jruby.ast.Node parseTree =
RubyCallStack.getCurrentMethod().getSharedMethodInfo().getParseTree();
if (parseTree == null) {
return NilPlaceholder.INSTANCE;
} else {
return getContext().makeString(parseTree.toString(true, 0));
}
}
public void setFlag(Node node, Flag modifier) {
if (dump) {
LOG.info(
"[ASTInspector] "
+ name
+ "\n\tset flag "
+ modifier
+ " because of "
+ node.getNodeType()
+ " at "
+ node.getPosition());
}
flags |= modifier.flag;
}
@Override
public void assignArray(
Ruby runtime, ThreadContext context, IRubyObject self, IRubyObject arg, Block block) {
RubyArray values = (RubyArray) arg;
int valueLength = values.getLength();
switch (valueLength) {
case 0:
assign(runtime, context, self, block);
break;
case 1:
assign(runtime, context, self, values.eltInternal(0), block);
break;
case 2:
assign(runtime, context, self, values.eltInternal(0), values.eltInternal(1), block);
break;
case 3:
assign(
runtime,
context,
self,
values.eltInternal(0),
values.eltInternal(1),
values.eltInternal(2),
block);
break;
}
// Populate up to shorter of calling arguments or local parameters in the block
for (int i = 0; i < preLength && i < valueLength; i++) {
pre.get(i).assign(runtime, context, self, values.eltInternal(i), block, false);
}
// nil pad since we provided less values than block parms
if (valueLength < preLength) {
assignNilTo(runtime, context, self, block, valueLength);
} else if (valueLength == preLength) { // no extra args for rest
rest.assign(
runtime, context, self, runtime.newArrayNoCopyLight(IRubyObject.NULL_ARRAY), block, true);
} else { // extra args for rest
rest.assign(
runtime,
context,
self,
values.subseqLight(preLength, valueLength - preLength),
block,
true);
}
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
// Serialization killed our dynamic scope. We can just create an empty one
// since serialization cannot serialize an eval (which is the only thing
// which is capable of having a non-empty dynamic scope).
if (scope == null) {
scope = DynamicScope.newDynamicScope(staticScope);
}
StaticScope theStaticScope = scope.getStaticScope();
// Each root node has a top-level scope that we need to push
context.preScopedBody(scope);
if (theStaticScope.getModule() == null) {
theStaticScope.setModule(runtime.getObject());
}
try {
return bodyNode.interpret(runtime, context, self, aBlock);
} finally {
context.postScopedBody();
}
}
private RubyNode translateLocalAssignment(
ISourcePosition sourcePosition, String name, org.jruby.ast.Node valueNode) {
final SourceSection sourceSection = translate(sourcePosition);
final RubyNode readNode;
if (valueNode instanceof org.jruby.ast.NilImplicitNode) {
// Multiple assignment
if (useArray()) {
readNode =
ArrayIndexNodeFactory.create(context, sourceSection, index, loadArray(sourceSection));
} else {
readNode = readArgument(sourceSection, index);
}
} else {
// Optional argument
final RubyNode defaultValue = valueNode.accept(this);
readNode =
new ReadOptionalArgumentNode(
context, sourceSection, index, index + argsNode.getPostCount() + 1, defaultValue);
}
final FrameSlot slot =
methodBodyTranslator.getEnvironment().getFrameDescriptor().findFrameSlot(name);
return WriteLocalVariableNodeFactory.create(context, sourceSection, slot, readNode);
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
Block block =
SharedScopeBlock.newInterpretedSharedScopeClosure(
context, this, context.getCurrentScope(), self);
try {
while (true) {
try {
String savedFile = context.getFile();
int savedLine = context.getLine();
IRubyObject recv = null;
try {
recv = iterNode.interpret(runtime, context, self, aBlock);
} finally {
context.setFileAndLine(savedFile, savedLine);
}
return callAdapter.call(context, self, recv, block);
} catch (JumpException.RetryJump rj) {
// do nothing, allow loop to retry
}
}
} catch (JumpException.BreakJump bj) {
return (IRubyObject) bj.getValue();
}
}
/**
* Find the first {@link ClassNode} under the supplied {@link Node}.
*
* @return the found <code>ClassNode</code>, or <code>null</code> if no {@link ClassNode} is found
*/
private static ClassNode findClassNode(Node node) {
if (node instanceof ClassNode) {
return (ClassNode) node;
}
List children = node.childNodes();
for (int i = 0; i < children.size(); i++) {
Node child = (Node) children.get(i);
if (child instanceof ClassNode) {
return (ClassNode) child;
} else if (child instanceof NewlineNode) {
NewlineNode nn = (NewlineNode) child;
Node found = findClassNode(nn.getNextNode());
if (found instanceof ClassNode) {
return (ClassNode) found;
}
}
}
for (int i = 0; i < children.size(); i++) {
Node child = (Node) children.get(i);
Node found = findClassNode(child);
if (found instanceof ClassNode) {
return (ClassNode) found;
}
}
return null;
}
public static IRubyObject INTERPRET_METHOD(
Ruby runtime,
ThreadContext context,
String file,
int line,
RubyModule implClass,
Node node,
String name,
IRubyObject self,
Block block,
boolean isTraceable) {
try {
ThreadContext.pushBacktrace(context, name, file, line);
if (isTraceable) methodPreTrace(runtime, context, name, implClass);
return node.interpret(runtime, context, self, block);
} finally {
if (isTraceable) {
try {
methodPostTrace(runtime, context, name, implClass);
} finally {
ThreadContext.popBacktrace(context);
}
} else {
ThreadContext.popBacktrace(context);
}
}
}
@Override
public void assign(Ruby runtime, ThreadContext context, IRubyObject self, Block block) {
assignNilTo(runtime, context, self, block, 0);
rest.assign(
runtime, context, self, runtime.newArrayNoCopyLight(IRubyObject.NULL_ARRAY), block, true);
}
@Override
public void assign(
Ruby runtime, ThreadContext context, IRubyObject self, IRubyObject value1, Block block) {
pre.get(0).assign(runtime, context, self, value1, block, false);
assignNilTo(runtime, context, self, block, 1);
rest.assign(
runtime, context, self, runtime.newArrayNoCopyLight(IRubyObject.NULL_ARRAY), block, true);
}
@Override
public void assign(
Ruby runtime, ThreadContext context, IRubyObject self, IRubyObject values[], Block block) {
int valueLength = values == null ? 0 : values.length;
switch (valueLength) {
case 0:
assign(runtime, context, self, block);
return;
case 1:
assign(runtime, context, self, values[0], block);
return;
case 2:
assign(runtime, context, self, values[0], values[1], block);
return;
case 3:
assign(runtime, context, self, values[0], values[1], values[2], block);
return;
}
// Populate up to shorter of calling arguments or local parameters in the block
for (int i = 0; i < preLength && i < valueLength; i++) {
pre.get(i).assign(runtime, context, self, values[i], block, false);
}
// nil pad since we provided less values than block parms
if (valueLength < preLength) {
assignNilTo(runtime, context, self, block, valueLength);
} else if (valueLength == preLength) { // no extra args for rest
rest.assign(
runtime, context, self, runtime.newArrayNoCopyLight(IRubyObject.NULL_ARRAY), block, true);
} else { // extra args for rest
rest.assign(
runtime,
context,
self,
runtime.newArrayNoCopyLight(shiftedArray(values, valueLength - preLength)),
block,
true);
}
}
@Override
public Object visitIfNode(IfNode iVisited) {
String src = getSource(iVisited);
Node elseBody;
Node thenBody;
if (src.startsWith("unless")) {
// then we need to "swap" the then and else nodes
elseBody = iVisited.getThenBody();
thenBody = iVisited.getElseBody();
} else {
elseBody = iVisited.getElseBody();
thenBody = iVisited.getThenBody();
}
boolean isUnlessModifier = (iVisited.getThenBody() == null);
if (elseBody != null && !isUnlessModifier) {
if (alwaysExplicitReturn(thenBody)) {
createProblem(elseBody.getPosition(), "Unnecessary else"); // $NON-NLS-1$
}
}
return super.visitIfNode(iVisited);
}
// FIXME: This is a hot mess and I think we will still have some extra nulls inserted
@Override
public List<Node> childNodes() {
ListNode post = getPost();
ListNode keywords = getKeywords();
ListNode pre = getPre();
ListNode optArgs = getOptArgs();
if (post != null) {
if (keywords != null) {
if (keyRest != null)
return Node.createList(pre, optArgs, restArgNode, post, keywords, keyRest, blockArgNode);
return Node.createList(pre, optArgs, restArgNode, post, keywords, blockArgNode);
}
return Node.createList(pre, optArgs, restArgNode, post, blockArgNode);
}
if (keywords != null) {
if (keyRest != null)
return Node.createList(pre, optArgs, restArgNode, keywords, keyRest, blockArgNode);
return Node.createList(pre, optArgs, restArgNode, keywords, blockArgNode);
}
return Node.createList(pre, optArgs, restArgNode, blockArgNode);
}
private void shortName(Node node) {
String className = node.getClass().getName();
if (className.endsWith("Node")) {
className = className.substring(0, className.length() - 4);
int index = className.lastIndexOf('.');
if (index != -1) {
className = className.substring(index + 1);
}
}
sb.append(className.toLowerCase());
}
/**
* process each node by printing out '(' name data child* ')'
*
* @param node
*/
private void process(Node node) {
if (node == null) {
sb.append("null");
return;
}
sb.append("(");
shortName(node);
leafInfo(node);
for (Node child : node.childNodes()) {
sb.append(" ");
process(child);
}
sb.append(")");
}
public static IRubyObject INTERPRET_BLOCK(
Ruby runtime,
ThreadContext context,
String file,
int line,
Node node,
String name,
IRubyObject self,
Block block) {
try {
ThreadContext.pushBacktrace(context, name, file, line);
blockPreTrace(runtime, context, name, self.getType());
return node.interpret(runtime, context, self, block);
} finally {
blockPostTrace(runtime, context, name, self.getType());
ThreadContext.popBacktrace(context);
}
}
public MethodDefinitionNode compileClassNode(
SourceSection sourceSection, String name, org.jruby.ast.Node bodyNode) {
environment.addMethodDeclarationSlots();
RubyNode body;
if (bodyNode != null) {
parentSourceSection = sourceSection;
try {
body = bodyNode.accept(this);
} finally {
parentSourceSection = null;
}
} else {
body = new ObjectLiteralNode(context, sourceSection, context.getCoreLibrary().getNilObject());
}
if (environment.getFlipFlopStates().size() > 0) {
body = SequenceNode.sequence(context, sourceSection, initFlipFlopStates(sourceSection), body);
}
body = new CatchReturnPlaceholderNode(context, sourceSection, body, environment.getReturnID());
final RubyRootNode rootNode =
new RubyRootNode(
context,
sourceSection,
environment.getFrameDescriptor(),
environment.getSharedMethodInfo(),
body);
return new MethodDefinitionNode(
context,
sourceSection,
environment.getSharedMethodInfo().getName(),
environment.getSharedMethodInfo(),
environment.needsDeclarationFrame(),
rootNode,
false);
}
public static RubyString getArgumentDefinition(
Ruby runtime,
ThreadContext context,
Node node,
RubyString type,
IRubyObject self,
Block block) {
if (node == null) return type;
if (node instanceof ArrayNode) {
ArrayNode list = (ArrayNode) node;
int size = list.size();
for (int i = 0; i < size; i++) {
if (list.get(i).definition(runtime, context, self, block) == null) return null;
}
} else if (node.definition(runtime, context, self, block) == null) {
return null;
}
return type;
}
public static IRubyObject[] setupArgs(
Ruby runtime, ThreadContext context, Node node, IRubyObject self, Block aBlock) {
if (node == null) return IRubyObject.NULL_ARRAY;
if (node instanceof ArrayNode) {
ArrayNode argsArrayNode = (ArrayNode) node;
String savedFile = context.getFile();
int savedLine = context.getLine();
int size = argsArrayNode.size();
IRubyObject[] argsArray = new IRubyObject[size];
for (int i = 0; i < size; i++) {
argsArray[i] = argsArrayNode.get(i).interpret(runtime, context, self, aBlock);
}
context.setFileAndLine(savedFile, savedLine);
return argsArray;
}
return ArgsUtil.convertToJavaArray(node.interpret(runtime, context, self, aBlock));
}
@Override
public RubyNode visitArgsNode(org.jruby.ast.ArgsNode node) {
argsNode = node;
final SourceSection sourceSection = translate(node.getPosition());
final List<RubyNode> sequence = new ArrayList<>();
int localIndex = 0;
if (node.getPre() != null) {
state = State.PRE;
for (org.jruby.ast.Node arg : node.getPre().childNodes()) {
sequence.add(arg.accept(this));
index = ++localIndex;
}
}
if (node.getOptArgs() != null) {
// (BlockNode 0, (OptArgNode:a 0, (LocalAsgnNode:a 0, (FixnumNode 0))), ...)
state = State.OPT;
for (org.jruby.ast.Node arg : node.getOptArgs().childNodes()) {
sequence.add(arg.accept(this));
index = ++localIndex;
}
}
if (node.getPost() != null) {
state = State.POST;
for (org.jruby.ast.Node arg : node.getPost().childNodes()) {
sequence.add(arg.accept(this));
index = ++localIndex;
}
}
if (node.getRestArgNode() != null) {
methodBodyTranslator.getEnvironment().hasRestParameter = true;
sequence.add(node.getRestArgNode().accept(this));
}
if (node.getBlock() != null) {
sequence.add(node.getBlock().accept(this));
}
return SequenceNode.sequence(context, sourceSection, sequence);
}
@Override
public IRubyObject interpret(
Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
RubyString definition = expressionNode.definition(runtime, context, self, aBlock);
return definition != null ? definition : runtime.getNil();
}
public List<Node> childNodes() {
return Node.createList(varNode, bodyNode);
}
@Override
public List<Node> childNodes() {
return Node.createList(getVarNode(), getBodyNode(), iterNode);
}
/**
* Extra information that is not child nodes, but actual leaf data.
*
* @param node
*/
private void leafInfo(Node node) {
switch (node.getNodeType()) {
case ALIASNODE:
aliasNode((AliasNode) node);
break;
case ANDNODE:
noDataContents(node);
break;
case ARGSCATNODE:
noDataContents(node);
break;
case ARGSPUSHNODE:
noDataContents(node);
break;
case ARGUMENTNODE:
argumentNode((ArgumentNode) node);
break;
case ARRAYNODE:
noDataContents(node);
break;
case ATTRASSIGNNODE:
attrAssignNode((AttrAssignNode) node);
break;
case BACKREFNODE:
backRefNode((BackRefNode) node);
break;
case BEGINNODE:
noDataContents(node);
break;
case BIGNUMNODE:
bignumNode((BignumNode) node);
break;
case BLOCKARGNODE:
blockArgNode((BlockArgNode) node);
break;
case BLOCKNODE:
noDataContents(node);
break;
case BLOCKPASSNODE:
noDataContents(node);
break;
case BREAKNODE:
noDataContents(node);
break;
case CALLNODE:
callNode((CallNode) node);
break;
case CASENODE:
noDataContents(node);
break;
case CLASSNODE:
noDataContents(node);
break;
case CLASSVARASGNNODE:
classVarAsgnNode((ClassVarAsgnNode) node);
break;
case CLASSVARDECLNODE:
classVarDeclNode((ClassVarDeclNode) node);
break;
case CLASSVARNODE:
classVarNode((ClassVarNode) node);
break;
case COLON2NODE:
colon2Node((Colon2Node) node);
break;
case COLON3NODE:
colon3Node((Colon3Node) node);
break;
case CONSTDECLNODE:
constDeclNode((ConstDeclNode) node);
break;
case CONSTNODE:
constNode((ConstNode) node);
break;
case DASGNNODE:
dAsgnNode((DAsgnNode) node);
break;
case DEFINEDNODE:
noDataContents(node);
break;
case DEFNNODE:
noDataContents(node);
break;
case DEFSNODE:
noDataContents(node);
break;
case DOTNODE:
dotNode((DotNode) node);
break;
case DREGEXPNODE:
dRegexpNode((DRegexpNode) node);
break;
case DSTRNODE:
noDataContents(node);
break;
case DSYMBOLNODE:
noDataContents(node);
break;
case DVARNODE:
dVarNode((DVarNode) node);
break;
case DXSTRNODE:
noDataContents(node);
break;
case ENSURENODE:
noDataContents(node);
break;
case EVSTRNODE:
noDataContents(node);
break;
case FALSENODE:
noDataContents(node);
break;
case FCALLNODE:
fCallNode((FCallNode) node);
break;
case FIXNUMNODE:
fixnumNode((FixnumNode) node);
break;
case FLIPNODE:
flipNode((FlipNode) node);
break;
case FLOATNODE:
floatNode((FloatNode) node);
break;
case FORNODE:
noDataContents(node);
break;
case GLOBALASGNNODE:
globalAsgnNode((GlobalAsgnNode) node);
break;
case GLOBALVARNODE:
globalVarNode((GlobalVarNode) node);
break;
case HASHNODE:
noDataContents(node);
break;
case IFNODE:
noDataContents(node);
break;
case INSTASGNNODE:
noDataContents(node);
instAsgnNode((InstAsgnNode) node);
break;
case INSTVARNODE:
noDataContents(node);
instVarNode((InstVarNode) node);
break;
case ITERNODE:
noDataContents(node);
break;
case LOCALASGNNODE:
localAsgnNode((LocalAsgnNode) node);
break;
case LOCALVARNODE:
localVarNode((LocalVarNode) node);
break;
case MATCH2NODE:
noDataContents(node);
break;
case MATCH3NODE:
noDataContents(node);
break;
case MATCHNODE:
noDataContents(node);
break;
case MODULENODE:
noDataContents(node);
break;
case MULTIPLEASGNNODE:
noDataContents(node);
break;
case NEWLINENODE:
noDataContents(node);
break;
case NEXTNODE:
noDataContents(node);
break;
case NILNODE:
noDataContents(node);
break;
case NOTNODE:
noDataContents(node);
break;
case NTHREFNODE:
nthRefNode((NthRefNode) node);
break;
case OPASGNANDNODE:
noDataContents(node);
break;
case OPASGNNODE:
opAsgnNode((OpAsgnNode) node);
break;
case OPASGNORNODE:
noDataContents(node);
break;
case OPELEMENTASGNNODE:
opElementAsgnNode((OpElementAsgnNode) node);
break;
case ORNODE:
noDataContents(node);
break;
case PREEXENODE:
noDataContents(node);
break;
case POSTEXENODE:
noDataContents(node);
break;
case REDONODE:
noDataContents(node);
break;
case REGEXPNODE:
regexpNode((RegexpNode) node);
break;
case RESCUEBODYNODE:
noDataContents(node);
break;
case RESCUENODE:
noDataContents(node);
break;
case RETRYNODE:
noDataContents(node);
break;
case RETURNNODE:
noDataContents(node);
break;
case ROOTNODE:
noDataContents(node);
break;
case SCLASSNODE:
noDataContents(node);
break;
case SELFNODE:
noDataContents(node);
break;
case SPLATNODE:
noDataContents(node);
break;
case STRNODE:
strNode((StrNode) node);
break;
case SUPERNODE:
noDataContents(node);
break;
case SVALUENODE:
noDataContents(node);
break;
case SYMBOLNODE:
symbolNode((SymbolNode) node);
break;
case TOARYNODE:
noDataContents(node);
break;
case TRUENODE:
noDataContents(node);
break;
case UNDEFNODE:
undefNode((UndefNode) node);
break;
case UNTILNODE:
noDataContents(node);
break;
case VALIASNODE:
valiasNode((VAliasNode) node);
break;
case VCALLNODE:
vcallNode((VCallNode) node);
break;
case WHENNODE:
noDataContents(node);
break;
case WHILENODE:
noDataContents(node);
break;
case XSTRNODE:
xStrNode((XStrNode) node);
break;
case YIELDNODE:
noDataContents(node);
break;
case ZARRAYNODE:
noDataContents(node);
break;
case ZSUPERNODE:
noDataContents(node);
break;
default:
}
}