@Override
public void visitObjectLiteralExpression(JetObjectLiteralExpression expression) {
ClassDescriptor classDescriptor = bindingContext.get(CLASS, expression.getObjectDeclaration());
if (classDescriptor == null) {
// working around a problem with shallow analysis
super.visitObjectLiteralExpression(expression);
return;
}
final String name = inventAnonymousClassName(expression.getObjectDeclaration());
recordClosure(
bindingTrace,
expression.getObjectDeclaration(),
classDescriptor,
peekFromStack(classStack),
JvmClassName.byInternalName(name),
false);
classStack.push(classDescriptor);
//noinspection ConstantConditions
nameStack.push(bindingContext.get(FQN, classDescriptor).getInternalName());
super.visitObjectLiteralExpression(expression);
nameStack.pop();
classStack.pop();
}
@Override
public void visitObjectDeclaration(JetObjectDeclaration declaration) {
if (declaration.getParent() instanceof JetObjectLiteralExpression
|| declaration.getParent() instanceof JetClassObject) {
super.visitObjectDeclaration(declaration);
} else {
ClassDescriptor classDescriptor = bindingContext.get(CLASS, declaration);
// working around a problem with shallow analysis
if (classDescriptor == null) return;
String name = getName(classDescriptor);
recordClosure(
bindingTrace,
declaration,
classDescriptor,
peekFromStack(classStack),
JvmClassName.byInternalName(name),
false);
classStack.push(classDescriptor);
nameStack.push(name);
super.visitObjectDeclaration(declaration);
nameStack.pop();
classStack.pop();
}
}
@NotNull
public static JvmClassName getJvmInternalName(
BindingTrace bindingTrace, @NotNull DeclarationDescriptor descriptor) {
descriptor = descriptor.getOriginal();
JvmClassName name = bindingTrace.getBindingContext().get(FQN, descriptor);
if (name != null) {
return name;
}
name = JvmClassName.byInternalName(getJvmInternalFQNameImpl(bindingTrace, descriptor));
assert PsiCodegenPredictor.checkPredictedNameFromPsi(bindingTrace, descriptor, name);
bindingTrace.record(FQN, descriptor, name);
return name;
}
@Override
public void visitClassObject(JetClassObject classObject) {
ClassDescriptor classDescriptor = bindingContext.get(CLASS, classObject.getObjectDeclaration());
assert classDescriptor != null;
JvmClassName name =
JvmClassName.byInternalName(peekFromStack(nameStack) + JvmAbi.CLASS_OBJECT_SUFFIX);
recordClosure(
bindingTrace, classObject, classDescriptor, peekFromStack(classStack), name, false);
classStack.push(classDescriptor);
nameStack.push(name.getInternalName());
super.visitClassObject(classObject);
nameStack.pop();
classStack.pop();
}
@Override
public void visitClass(JetClass klass) {
ClassDescriptor classDescriptor = bindingContext.get(CLASS, klass);
// working around a problem with shallow analysis
if (classDescriptor == null) return;
String name = getName(classDescriptor);
recordClosure(
bindingTrace,
klass,
classDescriptor,
peekFromStack(classStack),
JvmClassName.byInternalName(name),
false);
classStack.push(classDescriptor);
nameStack.push(name);
super.visitClass(klass);
nameStack.pop();
classStack.pop();
}
@Override
public void visitNamedFunction(JetNamedFunction function) {
FunctionDescriptor functionDescriptor =
(FunctionDescriptor) bindingContext.get(DECLARATION_TO_DESCRIPTOR, function);
// working around a problem with shallow analysis
if (functionDescriptor == null) return;
DeclarationDescriptor containingDeclaration = functionDescriptor.getContainingDeclaration();
if (containingDeclaration instanceof ClassDescriptor) {
nameStack.push(peekFromStack(nameStack) + '$' + function.getName());
super.visitNamedFunction(function);
nameStack.pop();
} else if (containingDeclaration instanceof NamespaceDescriptor) {
String peek = peekFromStack(nameStack);
if (peek.isEmpty()) {
peek = JvmAbi.PACKAGE_CLASS;
} else {
peek += "/" + JvmAbi.PACKAGE_CLASS;
}
nameStack.push(peek + '$' + function.getName());
super.visitNamedFunction(function);
nameStack.pop();
} else {
String name = inventAnonymousClassName(function);
ClassDescriptor classDescriptor = recordClassForFunction(functionDescriptor);
recordClosure(
bindingTrace,
function,
classDescriptor,
peekFromStack(classStack),
JvmClassName.byInternalName(name),
true);
classStack.push(classDescriptor);
nameStack.push(name);
super.visitNamedFunction(function);
nameStack.pop();
classStack.pop();
}
}
@Override
public void visitFunctionLiteralExpression(JetFunctionLiteralExpression expression) {
FunctionDescriptor functionDescriptor =
(FunctionDescriptor) bindingContext.get(DECLARATION_TO_DESCRIPTOR, expression);
// working around a problem with shallow analysis
if (functionDescriptor == null) return;
String name = inventAnonymousClassName(expression);
ClassDescriptor classDescriptor = recordClassForFunction(functionDescriptor);
recordClosure(
bindingTrace,
expression,
classDescriptor,
peekFromStack(classStack),
JvmClassName.byInternalName(name),
true);
classStack.push(classDescriptor);
nameStack.push(name);
super.visitFunctionLiteralExpression(expression);
nameStack.pop();
classStack.pop();
}
@NotNull
private static JvmClassName classNameFromAsmDesc(@NotNull String desc) {
assert desc.startsWith("L") && desc.endsWith(";") : "Not a JVM descriptor: " + desc;
return JvmClassName.byInternalName(desc.substring(1, desc.length() - 1));
}
@NotNull
public LineResult eval(@NotNull String line) {
++lineNumber;
FqName scriptFqName = new FqName("Line" + lineNumber);
Type scriptClassType = asmTypeByFqNameWithoutInnerClasses(scriptFqName);
StringBuilder fullText = new StringBuilder();
for (String prevLine : previousIncompleteLines) {
fullText.append(prevLine + "\n");
}
fullText.append(line);
LightVirtualFile virtualFile =
new LightVirtualFile(
"line" + lineNumber + JetParserDefinition.STD_SCRIPT_EXT,
JetLanguage.INSTANCE,
fullText.toString());
virtualFile.setCharset(CharsetToolkit.UTF8_CHARSET);
JetFile psiFile =
(JetFile)
((PsiFileFactoryImpl) PsiFileFactory.getInstance(jetCoreEnvironment.getProject()))
.trySetupPsiForFile(virtualFile, JetLanguage.INSTANCE, true, false);
MessageCollectorToString errorCollector = new MessageCollectorToString();
AnalyzerWithCompilerReport.SyntaxErrorReport syntaxErrorReport =
AnalyzerWithCompilerReport.reportSyntaxErrors(psiFile, errorCollector);
if (syntaxErrorReport.isOnlyErrorAtEof()) {
previousIncompleteLines.add(line);
return LineResult.incomplete();
}
previousIncompleteLines.clear();
if (syntaxErrorReport.isHasErrors()) {
return LineResult.error(errorCollector.getString());
}
prepareForTheNextReplLine(topDownAnalysisContext);
trace.clearDiagnostics();
psiFile.getScript().putUserData(ScriptHeaderResolver.PRIORITY_KEY, lineNumber);
ScriptDescriptor scriptDescriptor = doAnalyze(psiFile, errorCollector);
if (scriptDescriptor == null) {
return LineResult.error(errorCollector.getString());
}
List<Pair<ScriptDescriptor, Type>> earlierScripts = Lists.newArrayList();
for (EarlierLine earlierLine : earlierLines) {
earlierScripts.add(
Pair.create(earlierLine.getScriptDescriptor(), earlierLine.getClassType()));
}
BindingContext bindingContext =
AnalyzeExhaust.success(trace.getBindingContext(), module).getBindingContext();
GenerationState generationState =
new GenerationState(
psiFile.getProject(),
ClassBuilderFactories.BINARIES,
bindingContext,
Collections.singletonList(psiFile),
CompilerArgumentsUtil.DEFAULT_INLINE_FLAG);
compileScript(
psiFile.getScript(),
scriptClassType,
earlierScripts,
generationState,
CompilationErrorHandler.THROW_EXCEPTION);
for (OutputFile outputFile : generationState.getFactory().asList()) {
classLoader.addClass(
JvmClassName.byInternalName(outputFile.getRelativePath().replaceFirst("\\.class$", "")),
outputFile.asByteArray());
}
try {
Class<?> scriptClass = classLoader.loadClass(scriptFqName.asString());
Class<?>[] constructorParams = new Class<?>[earlierLines.size()];
Object[] constructorArgs = new Object[earlierLines.size()];
for (int i = 0; i < earlierLines.size(); ++i) {
constructorParams[i] = earlierLines.get(i).getScriptClass();
constructorArgs[i] = earlierLines.get(i).getScriptInstance();
}
Constructor<?> scriptInstanceConstructor = scriptClass.getConstructor(constructorParams);
Object scriptInstance;
try {
scriptInstance = scriptInstanceConstructor.newInstance(constructorArgs);
} catch (Throwable e) {
return LineResult.error(Throwables.getStackTraceAsString(e));
}
Field rvField = scriptClass.getDeclaredField("rv");
rvField.setAccessible(true);
Object rv = rvField.get(scriptInstance);
earlierLines.add(
new EarlierLine(line, scriptDescriptor, scriptClass, scriptInstance, scriptClassType));
return LineResult.successful(
rv,
KotlinBuiltIns.getInstance()
.getUnitType()
.equals(scriptDescriptor.getScriptCodeDescriptor().getReturnType()));
} catch (Throwable e) {
PrintWriter writer = new PrintWriter(System.err);
classLoader.dumpClasses(writer);
writer.flush();
throw UtilsPackage.rethrow(e);
}
}
