--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/make/src/classes/build/tools/jfr/GenerateJfrFiles.java Fri May 25 10:14:27 2018 +0200
@@ -0,0 +1,695 @@
+package build.tools.jfr;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.StringJoiner;
+import java.util.function.Predicate;
+
+import javax.xml.XMLConstants;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+import javax.xml.validation.SchemaFactory;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+import org.xml.sax.helpers.DefaultHandler;
+
+public class GenerateJfrFiles {
+
+ public static void main(String... args) throws Exception {
+ if (args.length != 3) {
+ System.err.println("Incorrect number of command line arguments.");
+ System.err.println("Usage:");
+ System.err.println("java GenerateJfrFiles[.java] <path-to-metadata.xml> <path-to-metadata.xsd> <output-directory>");
+ System.exit(1);
+ }
+ try {
+ File metadataXml = new File(args[0]);
+ File metadataSchema = new File(args[1]);
+ File outputDirectory = new File(args[2]);
+
+ Metadata metadata = new Metadata(metadataXml, metadataSchema);
+ metadata.verify();
+ metadata.wireUpTypes();
+
+ printJfrPeriodicHpp(metadata, outputDirectory);
+ printJfrEventIdsHpp(metadata, outputDirectory);
+ printJfrEventControlHpp(metadata, outputDirectory);
+ printJfrTypesHpp(metadata, outputDirectory);
+ printJfrEventClassesHpp(metadata, outputDirectory);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+
+ static class XmlType {
+ final String fieldType;
+ final String parameterType;
+ XmlType(String fieldType, String parameterType) {
+ this.fieldType = fieldType;
+ this.parameterType = parameterType;
+ }
+ }
+
+ static class TypeElement {
+ List<FieldElement> fields = new ArrayList<>();
+ String name;
+ String fieldType;
+ String parameterType;
+ boolean supportStruct;
+ }
+
+ static class Metadata {
+ final Map<String, TypeElement> types = new LinkedHashMap<>();
+ final Map<String, XmlType> xmlTypes = new HashMap<>();
+ Metadata(File metadataXml, File metadataSchema) throws ParserConfigurationException, SAXException, FileNotFoundException, IOException {
+ SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+ SAXParserFactory factory = SAXParserFactory.newInstance();
+ factory.setSchema(schemaFactory.newSchema(metadataSchema));
+ SAXParser sp = factory.newSAXParser();
+ sp.parse(metadataXml, new MetadataHandler(this));
+ }
+
+ List<EventElement> getEvents() {
+ return getList(t -> t.getClass() == EventElement.class);
+ }
+
+ List<TypeElement> getEventsAndStructs() {
+ return getList(t -> t.getClass() == EventElement.class || t.supportStruct);
+ }
+
+ List<TypeElement> getTypesAndStructs() {
+ return getList(t -> t.getClass() == TypeElement.class || t.supportStruct);
+ }
+
+ @SuppressWarnings("unchecked")
+ <T> List<T> getList(Predicate<? super TypeElement> pred) {
+ List<T> result = new ArrayList<>(types.size());
+ for (TypeElement t : types.values()) {
+ if (pred.test(t)) {
+ result.add((T) t);
+ }
+ }
+ return result;
+ }
+
+ List<EventElement> getPeriodicEvents() {
+ return getList(t -> t.getClass() == EventElement.class && ((EventElement) t).periodic);
+ }
+
+ List<TypeElement> getNonEventsAndNonStructs() {
+ return getList(t -> t.getClass() != EventElement.class && !t.supportStruct);
+ }
+
+ List<TypeElement> getTypes() {
+ return getList(t -> t.getClass() == TypeElement.class && !t.supportStruct);
+ }
+
+ List<TypeElement> getStructs() {
+ return getList(t -> t.getClass() == TypeElement.class && t.supportStruct);
+ }
+
+ void verify() {
+ for (TypeElement t : types.values()) {
+ for (FieldElement f : t.fields) {
+ if (!xmlTypes.containsKey(f.typeName)) { // ignore primitives
+ if (!types.containsKey(f.typeName)) {
+ throw new IllegalStateException("Could not find definition of type '" + f.typeName + "' used by " + t.name + "#" + f.name);
+ }
+ }
+ }
+ }
+ }
+
+ void wireUpTypes() {
+ for (TypeElement t : types.values()) {
+ for (FieldElement f : t.fields) {
+ TypeElement type = types.get(f.typeName);
+ if (f.struct) {
+ type.supportStruct = true;
+ }
+ f.type = type;
+ }
+ }
+ }
+ }
+
+ static class EventElement extends TypeElement {
+ String representation;
+ boolean thread;
+ boolean stackTrace;
+ boolean startTime;
+ boolean periodic;
+ boolean cutoff;
+ }
+
+ static class FieldElement {
+ final Metadata metadata;
+ TypeElement type;
+ String name;
+ String typeName;
+ boolean struct;
+
+ FieldElement(Metadata metadata) {
+ this.metadata = metadata;
+ }
+
+ String getParameterType() {
+ if (struct) {
+ return "const JfrStruct" + typeName + "&";
+ }
+ XmlType xmlType = metadata.xmlTypes.get(typeName);
+ if (xmlType != null) {
+ return xmlType.parameterType;
+ }
+ return type != null ? "u8" : typeName;
+ }
+
+ String getParameterName() {
+ return struct ? "value" : "new_value";
+ }
+
+ String getFieldType() {
+ if (struct) {
+ return "JfrStruct" + typeName;
+ }
+ XmlType xmlType = metadata.xmlTypes.get(typeName);
+ if (xmlType != null) {
+ return xmlType.fieldType;
+ }
+ return type != null ? "u8" : typeName;
+ }
+ }
+
+ static class MetadataHandler extends DefaultHandler {
+ final Metadata metadata;
+ FieldElement currentField;
+ TypeElement currentType;
+ MetadataHandler(Metadata metadata) {
+ this.metadata = metadata;
+ }
+ @Override
+ public void error(SAXParseException e) throws SAXException {
+ throw e;
+ }
+ @Override
+ public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
+ switch (qName) {
+ case "XmlType":
+ String name = attributes.getValue("name");
+ String parameterType = attributes.getValue("parameterType");
+ String fieldType = attributes.getValue("fieldType");
+ metadata.xmlTypes.put(name, new XmlType(fieldType, parameterType));
+ break;
+ case "Type":
+ currentType = new TypeElement();
+ currentType.name = attributes.getValue("name");
+ break;
+ case "Event":
+ EventElement eventtType = new EventElement();
+ eventtType.name = attributes.getValue("name");
+ eventtType.thread = getBoolean(attributes, "thread", false);
+ eventtType.stackTrace = getBoolean(attributes, "stackTrace", false);
+ eventtType.startTime = getBoolean(attributes, "startTime", true);
+ eventtType.periodic = attributes.getValue("period") != null;
+ eventtType.cutoff = getBoolean(attributes, "cutoff", false);
+ currentType = eventtType;
+ break;
+ case "Field":
+ currentField = new FieldElement(metadata);
+ currentField.struct = getBoolean(attributes, "struct", false);
+ currentField.name = attributes.getValue("name");
+ currentField.typeName = attributes.getValue("type");
+ break;
+ }
+ }
+
+ private boolean getBoolean(Attributes attributes, String name, boolean defaultValue) {
+ String value = attributes.getValue(name);
+ return value == null ? defaultValue : Boolean.valueOf(value);
+ }
+
+ @Override
+ public void endElement(String uri, String localName, String qName) {
+ switch (qName) {
+ case "Type":
+ case "Event":
+ metadata.types.put(currentType.name, currentType);
+ currentType = null;
+ break;
+ case "Field":
+ currentType.fields.add(currentField);
+ currentField = null;
+ break;
+ }
+ }
+ }
+
+ static class Printer implements AutoCloseable {
+ final PrintStream out;
+ Printer(File outputDirectory, String filename) throws FileNotFoundException {
+ out = new PrintStream(new BufferedOutputStream(new FileOutputStream(new File(outputDirectory, filename))));
+ write("/* AUTOMATICALLY GENERATED FILE - DO NOT EDIT */");
+ write("");
+ }
+
+ void write(String text) {
+ out.print(text);
+ out.print("\n"); // Don't use Windows line endings
+ }
+
+ @Override
+ public void close() throws Exception {
+ out.close();
+ }
+ }
+
+ private static void printJfrPeriodicHpp(Metadata metadata, File outputDirectory) throws Exception {
+ try (Printer out = new Printer(outputDirectory, "jfrPeriodic.hpp")) {
+ out.write("#ifndef JFRFILES_JFRPERIODICEVENTSET_HPP");
+ out.write("#define JFRFILES_JFRPERIODICEVENTSET_HPP");
+ out.write("");
+ out.write("#include \"utilities/macros.hpp\"");
+ out.write("#if INCLUDE_JFR");
+ out.write("#include \"jfrfiles/jfrEventIds.hpp\"");
+ out.write("#include \"memory/allocation.hpp\"");
+ out.write("");
+ out.write("class JfrPeriodicEventSet : public AllStatic {");
+ out.write(" public:");
+ out.write(" static void requestEvent(JfrEventId id) {");
+ out.write(" switch(id) {");
+ out.write(" ");
+ for (EventElement e : metadata.getPeriodicEvents()) {
+ out.write(" case Jfr" + e.name + "Event:");
+ out.write(" request" + e.name + "();");
+ out.write(" break;");
+ out.write(" ");
+ }
+ out.write(" default:");
+ out.write(" break;");
+ out.write(" }");
+ out.write(" }");
+ out.write("");
+ out.write(" private:");
+ out.write("");
+ for (EventElement e : metadata.getPeriodicEvents()) {
+ out.write(" static void request" + e.name + "(void);");
+ out.write("");
+ }
+ out.write("};");
+ out.write("");
+ out.write("#endif // INCLUDE_JFR");
+ out.write("#endif // JFRFILES_JFRPERIODICEVENTSET_HPP");
+ }
+ }
+
+ private static void printJfrEventControlHpp(Metadata metadata, File outputDirectory) throws Exception {
+ try (Printer out = new Printer(outputDirectory, "jfrEventControl.hpp")) {
+ out.write("#ifndef JFRFILES_JFR_NATIVE_EVENTSETTING_HPP");
+ out.write("#define JFRFILES_JFR_NATIVE_EVENTSETTING_HPP");
+ out.write("");
+ out.write("#include \"utilities/macros.hpp\"");
+ out.write("#if INCLUDE_JFR");
+ out.write("#include \"jfrfiles/jfrEventIds.hpp\"");
+ out.write("");
+ out.write("/**");
+ out.write(" * Event setting. We add some padding so we can use our");
+ out.write(" * event IDs as indexes into this.");
+ out.write(" */");
+ out.write("");
+ out.write("struct jfrNativeEventSetting {");
+ out.write(" jlong threshold_ticks;");
+ out.write(" jlong cutoff_ticks;");
+ out.write(" u1 stacktrace;");
+ out.write(" u1 enabled;");
+ out.write(" u1 pad[6]; // Because GCC on linux ia32 at least tries to pack this.");
+ out.write("};");
+ out.write("");
+ out.write("union JfrNativeSettings {");
+ out.write(" // Array version.");
+ out.write(" jfrNativeEventSetting bits[MaxJfrEventId];");
+ out.write(" // Then, to make it easy to debug,");
+ out.write(" // add named struct members also.");
+ out.write(" struct {");
+ out.write(" jfrNativeEventSetting pad[NUM_RESERVED_EVENTS];");
+ for (TypeElement t : metadata.getEventsAndStructs()) {
+ out.write(" jfrNativeEventSetting " + t.name + ";");
+ }
+ out.write(" } ev;");
+ out.write("};");
+ out.write("");
+ out.write("#endif // INCLUDE_JFR");
+ out.write("#endif // JFRFILES_JFR_NATIVE_EVENTSETTING_HPP");
+ }
+ }
+
+ private static void printJfrEventIdsHpp(Metadata metadata, File outputDirectory) throws Exception {
+ try (Printer out = new Printer(outputDirectory, "jfrEventIds.hpp")) {
+ out.write("#ifndef JFRFILES_JFREVENTIDS_HPP");
+ out.write("#define JFRFILES_JFREVENTIDS_HPP");
+ out.write("");
+ out.write("#include \"utilities/macros.hpp\"");
+ out.write("#if INCLUDE_JFR");
+ out.write("#include \"jfrfiles/jfrTypes.hpp\"");
+ out.write("");
+ out.write("/**");
+ out.write(" * Enum of the event types in the JVM");
+ out.write(" */");
+ out.write("enum JfrEventId {");
+ out.write(" _jfreventbase = (NUM_RESERVED_EVENTS-1), // Make sure we start at right index.");
+ out.write(" ");
+ out.write(" // Events -> enum entry");
+ for (TypeElement t : metadata.getEventsAndStructs()) {
+ out.write(" Jfr" + t.name + "Event,");
+ }
+ out.write("");
+ out.write(" MaxJfrEventId");
+ out.write("};");
+ out.write("");
+ out.write("/**");
+ out.write(" * Struct types in the JVM");
+ out.write(" */");
+ out.write("enum JfrStructId {");
+ for (TypeElement t : metadata.getNonEventsAndNonStructs()) {
+ out.write(" Jfr" + t.name + "Struct,");
+ }
+ for (TypeElement t : metadata.getEventsAndStructs()) {
+ out.write(" Jfr" + t.name + "Struct,");
+ }
+ out.write("");
+ out.write(" MaxJfrStructId");
+ out.write("};");
+ out.write("");
+ out.write("typedef enum JfrEventId JfrEventId;");
+ out.write("typedef enum JfrStructId JfrStructId;");
+ out.write("");
+ out.write("#endif // INCLUDE_JFR");
+ out.write("#endif // JFRFILES_JFREVENTIDS_HPP");
+ }
+ }
+
+ private static void printJfrTypesHpp(Metadata metadata, File outputDirectory) throws Exception {
+ List<String> knownTypes = List.of("Thread", "StackTrace", "Class", "StackFrame");
+ try (Printer out = new Printer(outputDirectory, "jfrTypes.hpp")) {
+ out.write("#ifndef JFRFILES_JFRTYPES_HPP");
+ out.write("#define JFRFILES_JFRTYPES_HPP");
+ out.write("");
+ out.write("#include \"utilities/macros.hpp\"");
+ out.write("#if INCLUDE_JFR");
+ out.write("");
+ out.write("enum JfrTypeId {");
+ out.write(" TYPE_NONE = 0,");
+ out.write(" TYPE_CLASS = 20,");
+ out.write(" TYPE_STRING = 21,");
+ out.write(" TYPE_THREAD = 22,");
+ out.write(" TYPE_STACKTRACE = 23,");
+ out.write(" TYPE_BYTES = 24,");
+ out.write(" TYPE_EPOCHMILLIS = 25,");
+ out.write(" TYPE_MILLIS = 26,");
+ out.write(" TYPE_NANOS = 27,");
+ out.write(" TYPE_TICKS = 28,");
+ out.write(" TYPE_ADDRESS = 29,");
+ out.write(" TYPE_PERCENTAGE = 30,");
+ out.write(" TYPE_DUMMY,");
+ out.write(" TYPE_DUMMY_1,");
+ for (TypeElement type : metadata.getTypes()) {
+ if (!knownTypes.contains(type.name)) {
+ out.write(" TYPE_" + type.name.toUpperCase() + ",");
+ }
+ }
+ out.write("");
+ out.write(" NUM_JFR_TYPES,");
+ out.write(" TYPES_END = 255");
+ out.write("};");
+ out.write("");
+ out.write("enum ReservedEvent {");
+ out.write(" EVENT_METADATA,");
+ out.write(" EVENT_CHECKPOINT,");
+ out.write(" EVENT_BUFFERLOST,");
+ out.write(" NUM_RESERVED_EVENTS = TYPES_END");
+ out.write("};");
+ out.write("");
+ out.write("#endif // INCLUDE_JFR");
+ out.write("#endif // JFRFILES_JFRTYPES_HPP");
+ };
+ }
+
+ private static void printJfrEventClassesHpp(Metadata metadata, File outputDirectory) throws Exception {
+ try (Printer out = new Printer(outputDirectory, "jfrEventClasses.hpp")) {
+ out.write("#ifndef JFRFILES_JFREVENTCLASSES_HPP");
+ out.write("#define JFRFILES_JFREVENTCLASSES_HPP");
+ out.write("");
+ out.write("#include \"oops/klass.hpp\"");
+ out.write("#include \"jfrfiles/jfrTypes.hpp\"");
+ out.write("#include \"jfr/utilities/jfrTypes.hpp\"");
+ out.write("#include \"utilities/macros.hpp\"");
+ out.write("#include \"utilities/ticks.hpp\"");
+ out.write("#if INCLUDE_JFR");
+ out.write("#include \"jfr/recorder/service/jfrEvent.hpp\"");
+ out.write("/*");
+ out.write(" * Each event class has an assert member function verify() which is invoked");
+ out.write(" * just before the engine writes the event and its fields to the data stream.");
+ out.write(" * The purpose of verify() is to ensure that all fields in the event are initialized");
+ out.write(" * and set before attempting to commit.");
+ out.write(" *");
+ out.write(" * We enforce this requirement because events are generally stack allocated and therefore");
+ out.write(" * *not* initialized to default values. This prevents us from inadvertently committing");
+ out.write(" * uninitialized values to the data stream.");
+ out.write(" *");
+ out.write(" * The assert message contains both the index (zero based) as well as the name of the field.");
+ out.write(" */");
+ out.write("");
+ printTypes(out, metadata, false);
+ out.write("");
+ out.write("");
+ out.write("#else // !INCLUDE_JFR");
+ out.write("");
+ out.write("class JfrEvent {");
+ out.write(" public:");
+ out.write(" JfrEvent() {}");
+ out.write(" void set_starttime(const Ticks&) const {}");
+ out.write(" void set_endtime(const Ticks&) const {}");
+ out.write(" bool should_commit() const { return false; }");
+ out.write(" static bool is_enabled() { return false; }");
+ out.write(" void commit() {}");
+ out.write("};");
+ out.write("");
+ printTypes(out, metadata, true);
+ out.write("");
+ out.write("");
+ out.write("#endif // INCLUDE_JFR");
+ out.write("#endif // JFRFILES_JFREVENTCLASSES_HPP");
+ }
+ }
+
+ private static void printTypes(Printer out, Metadata metadata, boolean empty) {
+ for (TypeElement t : metadata.getStructs()) {
+ if (empty) {
+ out.write("");
+ printEmptyType(out, t);
+ } else {
+ printType(out, t);
+ }
+ out.write("");
+ }
+ for (EventElement e : metadata.getEvents()) {
+ if (empty) {
+ printEmptyEvent(out, e);
+ } else {
+ printEvent(out, e);
+ }
+ out.write("");
+ }
+ }
+
+ private static void printEmptyEvent(Printer out, EventElement event) {
+ out.write("class Event" + event.name + " : public JfrEvent");
+ out.write("{");
+ out.write(" public:");
+ out.write(" Event" + event.name + "(EventStartTime ignore=TIMED) {}");
+ if (event.startTime) {
+ StringJoiner sj = new StringJoiner(",\n ");
+ for (FieldElement f : event.fields) {
+ sj.add(f.getParameterType());
+ }
+ out.write(" Event" + event.name + "(");
+ out.write(" " + sj.toString() + ") { }");
+ }
+ for (FieldElement f : event.fields) {
+ out.write(" void set_" + f.name + "(" + f.getParameterType() + ") { }");
+ }
+ out.write("};");
+ }
+
+ private static void printEmptyType(Printer out, TypeElement t) {
+ out.write("struct JfrStruct" + t.name);
+ out.write("{");
+ out.write(" public:");
+ for (FieldElement f : t.fields) {
+ out.write(" void set_" + f.name + "(" + f.getParameterType() + ") { }");
+ }
+ out.write("};");
+ }
+
+ private static void printType(Printer out, TypeElement t) {
+ out.write("struct JfrStruct" + t.name);
+ out.write("{");
+ out.write(" private:");
+ for (FieldElement f : t.fields) {
+ printField(out, f);
+ }
+ out.write("");
+ out.write(" public:");
+ for (FieldElement f : t.fields) {
+ printTypeSetter(out, f);
+ }
+ out.write("");
+ printWriteData(out, t.fields);
+ out.write("};");
+ out.write("");
+ }
+
+ private static void printEvent(Printer out, EventElement event) {
+ out.write("class Event" + event.name + " : public JfrEvent<Event" + event.name + ">");
+ out.write("{");
+ out.write(" private:");
+ for (FieldElement f : event.fields) {
+ printField(out, f);
+ }
+ out.write("");
+ out.write(" public:");
+ out.write(" static const bool hasThread = " + event.thread + ";");
+ out.write(" static const bool hasStackTrace = " + event.stackTrace + ";");
+ out.write(" static const bool isInstant = " + !event.startTime + ";");
+ out.write(" static const bool hasCutoff = " + event.cutoff + ";");
+ out.write(" static const bool isRequestable = " + event.periodic + ";");
+ out.write(" static const JfrEventId eventId = Jfr" + event.name + "Event;");
+ out.write("");
+ out.write(" Event" + event.name + "(EventStartTime timing=TIMED) : JfrEvent<Event" + event.name + ">(timing) {}");
+ out.write("");
+ int index = 0;
+ for (FieldElement f : event.fields) {
+ out.write(" void set_" + f.name + "(" + f.getParameterType() + " " + f.getParameterName() + ") {");
+ out.write(" this->_" + f.name + " = " + f.getParameterName() + ";");
+ out.write(" DEBUG_ONLY(set_field_bit(" + index++ + "));");
+ out.write(" }");
+ }
+ out.write("");
+ printWriteData(out, event.fields);
+ out.write("");
+ out.write(" using JfrEvent<Event" + event.name + ">::commit; // else commit() is hidden by overloaded versions in this class");
+ printConstructor2(out, event);
+ printCommitMethod(out, event);
+ printVerify(out, event.fields);
+ out.write("};");
+ }
+
+ private static void printWriteData(Printer out, List<FieldElement> fields) {
+ out.write(" template <typename Writer>");
+ out.write(" void writeData(Writer& w) {");
+ for (FieldElement field : fields) {
+ if (field.struct) {
+ out.write(" _" + field.name + ".writeData(w);");
+ } else {
+ out.write(" w.write(_" + field.name + ");");
+ }
+ }
+ out.write(" }");
+ }
+
+ private static void printTypeSetter(Printer out, FieldElement field) {
+ out.write(" void set_" + field.name + "(" + field.getParameterType() + " new_value) { this->_" + field.name + " = new_value; }");
+ }
+
+ private static void printVerify(Printer out, List<FieldElement> fields) {
+ out.write("");
+ out.write("#ifdef ASSERT");
+ out.write(" void verify() const {");
+ int index = 0;
+ for (FieldElement f : fields) {
+ out.write(" assert(verify_field_bit(" + index++ + "), \"Attempting to write an uninitialized event field: %s\", \"_" + f.name + "\");");
+ }
+ out.write(" }");
+ out.write("#endif");
+ }
+
+ private static void printCommitMethod(Printer out, EventElement event) {
+ if (event.startTime) {
+ StringJoiner sj = new StringJoiner(",\n ");
+ for (FieldElement f : event.fields) {
+ sj.add(f.getParameterType() + " " + f.name);
+ }
+ out.write("");
+ out.write(" void commit(" + sj.toString() + ") {");
+ out.write(" if (should_commit()) {");
+ for (FieldElement f : event.fields) {
+ out.write(" set_" + f.name + "(" + f.name + ");");
+ }
+ out.write(" commit();");
+ out.write(" }");
+ out.write(" }");
+ }
+ out.write("");
+ StringJoiner sj = new StringJoiner(",\n ");
+ if (event.startTime) {
+ sj.add("const Ticks& startTicks");
+ sj.add("const Ticks& endTicks");
+ }
+ for (FieldElement f : event.fields) {
+ sj.add(f.getParameterType() + " " + f.name);
+ }
+ out.write(" static void commit(" + sj.toString() + ") {");
+ out.write(" Event" + event.name + " me(UNTIMED);");
+ out.write("");
+ out.write(" if (me.should_commit()) {");
+ if (event.startTime) {
+ out.write(" me.set_starttime(startTicks);");
+ out.write(" me.set_endtime(endTicks);");
+ }
+ for (FieldElement f : event.fields) {
+ out.write(" me.set_" + f.name + "(" + f.name + ");");
+ }
+ out.write(" me.commit();");
+ out.write(" }");
+ out.write(" }");
+ }
+
+ private static void printConstructor2(Printer out, EventElement event) {
+ if (!event.startTime) {
+ out.write("");
+ out.write("");
+ }
+ if (event.startTime) {
+ out.write("");
+ out.write(" Event" + event.name + "(");
+ StringJoiner sj = new StringJoiner(",\n ");
+ for (FieldElement f : event.fields) {
+ sj.add(f.getParameterType() + " " + f.name);
+ }
+ out.write(" " + sj.toString() + ") : JfrEvent<Event" + event.name + ">(TIMED) {");
+ out.write(" if (should_commit()) {");
+ for (FieldElement f : event.fields) {
+ out.write(" set_" + f.name + "(" + f.name + ");");
+ }
+ out.write(" }");
+ out.write(" }");
+ }
+ }
+
+ private static void printField(Printer out, FieldElement field) {
+ out.write(" " + field.getFieldType() + " _" + field.name + ";");
+ }
+}