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8225054: Compiler implementation for records

Browse source 
8225052: javax.lang.model support for records
8225053: Preview APIs support for records
8225055: Javadoc for records
8226314: com.sun.source support for records
8227113: Specification for java.lang.Record
8233526: JVM support for records

Implement records in the compiler and the JVM, including serialization, reflection and APIs support

Co-authored-by: Brian Goetz <brian.goetz@oracle.com>
Co-authored-by: Maurizio Cimadamore <maurizio.cimadamore@oracle.com>
Co-authored-by: Harold Seigel <harold.seigel@oracle.com>
Co-authored-by: Joe Darcy <joe.darcy@oracle.com>
Co-authored-by: Jonathan Gibbons <jonathan.gibbons@oracle.com>
Co-authored-by: Chris Hegarty <chris.hegarty@oracle.com>
Co-authored-by: Jan Lahoda <jan.lahoda@oracle.com>
Reviewed-by: mcimadamore, briangoetz, alanb, darcy, chegar, jrose, jlahoda, coleenp, dholmes, lfoltan, mchung, sadayapalam, hannesw, sspitsyn
This commit is contained in:
Vicente Romero 2019-12-04 15:57:39 -05:00
parent 0a375cfa2d
commit 827e5e3226
351 changed files with 24958 additions and 6395 deletions
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49
src/hotspot/share/prims/jvm.cpp
View file

@ -51,6 +51,7 @@
#include "oops/fieldStreams.inline.hpp"
#include "oops/instanceKlass.hpp"
#include "oops/method.hpp"
#include "oops/recordComponent.hpp"
#include "oops/objArrayKlass.hpp"
#include "oops/objArrayOop.inline.hpp"
#include "oops/oop.inline.hpp"
@ -1693,6 +1694,54 @@ JVM_ENTRY(jobjectArray, JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass,
}
JVM_END
JVM_ENTRY(jboolean, JVM_IsRecord(JNIEnv *env, jclass cls))
{
JVMWrapper("JVM_IsRecord");
Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(cls));
if (k != NULL && k->is_instance_klass()) {
InstanceKlass* ik = InstanceKlass::cast(k);
return ik->is_record();
} else {
return false;
}
}
JVM_END
JVM_ENTRY(jobjectArray, JVM_GetRecordComponents(JNIEnv* env, jclass ofClass))
{
JVMWrapper("JVM_GetRecordComponents");
Klass* c = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(ofClass));
assert(c->is_instance_klass(), "must be");
InstanceKlass* ik = InstanceKlass::cast(c);
if (ik->is_record()) {
Array<RecordComponent*>* components = ik->record_components();
assert(components != NULL, "components should not be NULL");
{
JvmtiVMObjectAllocEventCollector oam;
constantPoolHandle cp(THREAD, ik->constants());
int length = components->length();
assert(length >= 0, "unexpected record_components length");
objArrayOop record_components =
oopFactory::new_objArray(SystemDictionary::RecordComponent_klass(), length, CHECK_NULL);
objArrayHandle components_h (THREAD, record_components);
for (int x = 0; x < length; x++) {
RecordComponent* component = components->at(x);
assert(component != NULL, "unexpected NULL record component");
oop component_oop = java_lang_reflect_RecordComponent::create(ik, component, CHECK_NULL);
components_h->obj_at_put(x, component_oop);
}
return (jobjectArray)JNIHandles::make_local(components_h());
}
}
// Return empty array if ofClass is not a record.
objArrayOop result = oopFactory::new_objArray(SystemDictionary::RecordComponent_klass(), 0, CHECK_NULL);
return (jobjectArray)JNIHandles::make_local(env, result);
}
JVM_END
static bool select_method(const methodHandle& method, bool want_constructor) {
if (want_constructor) {
return (method->is_initializer() && !method->is_static());