Java Code Examples for sun.invoke.util.Wrapper#values()
The following examples show how to use
sun.invoke.util.Wrapper#values() .
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Example 1
| Source File: ValueConversionsTest.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testConvert() throws Throwable {
for (long tval = 0, ctr = 0;;) {
if (++ctr > 99999) throw new AssertionError("too many test values");
// prints 3776 test patterns (3776 = 8*59*8)
tval = nextTestValue(tval);
if (tval == 0) {
break; // repeat
}
}
for (Wrapper src : Wrapper.values()) {
for (Wrapper dst : Wrapper.values()) {
testConvert(src, dst, 0);
}
}
}
Example 2
| Source File: ValueConversionsTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testConvert() throws Throwable {
for (long tval = 0, ctr = 0;;) {
if (++ctr > 99999) throw new AssertionError("too many test values");
// prints 3776 test patterns (3776 = 8*59*8)
tval = nextTestValue(tval);
if (tval == 0) {
break; // repeat
}
}
for (Wrapper src : Wrapper.values()) {
for (Wrapper dst : Wrapper.values()) {
testConvert(src, dst, 0);
}
}
}
Example 3
| Source File: ValueConversionsTest.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testBox() throws Throwable {
for (Wrapper w : Wrapper.values()) {
if (w == Wrapper.VOID) continue; // skip this; no unboxed form
if (w == Wrapper.OBJECT) continue; // skip this; already unboxed
for (int n = -5; n < 10; n++) {
Object box = w.wrap(n);
MethodHandle boxer = ValueConversions.boxExact(w);
Object expResult = box;
Object result = null;
switch (w) {
case INT: result = (Integer) boxer.invokeExact(/*int*/n); break;
case LONG: result = (Long) boxer.invokeExact((long)n); break;
case FLOAT: result = (Float) boxer.invokeExact((float)n); break;
case DOUBLE: result = (Double) boxer.invokeExact((double)n); break;
case CHAR: result = (Character) boxer.invokeExact((char)n); break;
case BYTE: result = (Byte) boxer.invokeExact((byte)n); break;
case SHORT: result = (Short) boxer.invokeExact((short)n); break;
case BOOLEAN: result = (Boolean) boxer.invokeExact((n & 1) != 0); break;
}
assertEquals("(dst,src,n,box)="+Arrays.asList(w,w,n,box),
expResult, result);
}
}
}
Example 4
| Source File: ValueConversionsTest.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testBox() throws Throwable {
for (Wrapper w : Wrapper.values()) {
if (w == Wrapper.VOID) continue; // skip this; no unboxed form
if (w == Wrapper.OBJECT) continue; // skip this; already unboxed
for (int n = -5; n < 10; n++) {
Object box = w.wrap(n);
MethodHandle boxer = ValueConversions.boxExact(w);
Object expResult = box;
Object result = null;
switch (w) {
case INT: result = (Integer) boxer.invokeExact(/*int*/n); break;
case LONG: result = (Long) boxer.invokeExact((long)n); break;
case FLOAT: result = (Float) boxer.invokeExact((float)n); break;
case DOUBLE: result = (Double) boxer.invokeExact((double)n); break;
case CHAR: result = (Character) boxer.invokeExact((char)n); break;
case BYTE: result = (Byte) boxer.invokeExact((byte)n); break;
case SHORT: result = (Short) boxer.invokeExact((short)n); break;
case BOOLEAN: result = (Boolean) boxer.invokeExact((n & 1) != 0); break;
}
assertEquals("(dst,src,n,box)="+Arrays.asList(w,w,n,box),
expResult, result);
}
}
}
Example 5
| Source File: ValueConversionsTest.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
@Test
public void testConvert() throws Throwable {
for (long tval = 0, ctr = 0;;) {
if (++ctr > 99999) throw new AssertionError("too many test values");
// prints 3776 test patterns (3776 = 8*59*8)
tval = nextTestValue(tval);
if (tval == 0) {
break; // repeat
}
}
for (Wrapper src : Wrapper.values()) {
for (Wrapper dst : Wrapper.values()) {
testConvert(src, dst, 0);
}
}
}
Example 6
| Source File: ExplicitCastArgumentsTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
/**
* Tests that non-null wrapper reference is successfully converted to
* primitive types.
*/
public static void testRef2Prim() {
for (Wrapper from : Wrapper.values()) {
for (Wrapper to : Wrapper.values()) {
if (from == Wrapper.VOID || to == Wrapper.VOID
|| to == Wrapper.OBJECT) {
continue;
}
Object value = RANDOM_VALUES.get(from);
for (TestConversionMode mode : TestConversionMode.values()) {
if (from != Wrapper.OBJECT) {
Object convValue = to.wrap(value);
testConversion(mode, from.wrapperType(),
to.primitiveType(), value, convValue, false, null);
} else {
testConversion(mode, from.wrapperType(),
to.primitiveType(), value, null,
true, ClassCastException.class);
}
}
}
}
}
Example 7
| Source File: ExplicitCastArgumentsTest.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Tests that non-null wrapper reference is successfully converted to
* primitive types.
*/
public static void testRef2Prim() {
for (Wrapper from : Wrapper.values()) {
for (Wrapper to : Wrapper.values()) {
if (from == Wrapper.VOID || to == Wrapper.VOID
|| to == Wrapper.OBJECT) {
continue;
}
Object value = RANDOM_VALUES.get(from);
for (TestConversionMode mode : TestConversionMode.values()) {
if (from != Wrapper.OBJECT) {
Object convValue = to.wrap(value);
testConversion(mode, from.wrapperType(),
to.primitiveType(), value, convValue, false, null);
} else {
testConversion(mode, from.wrapperType(),
to.primitiveType(), value, null,
true, ClassCastException.class);
}
}
}
}
}
Example 8
| Source File: ExplicitCastArgumentsTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
/**
* Tests that primitive is successfully converted to other primitive type.
*/
public static void testPrim2Prim() {
for (Wrapper from : Wrapper.values()) {
for (Wrapper to : Wrapper.values()) {
if (from == Wrapper.VOID || to == Wrapper.VOID
|| from == Wrapper.OBJECT || to == Wrapper.OBJECT) {
continue;
}
Object value = RANDOM_VALUES.get(from);
Object convValue = to.wrap(value);
for (TestConversionMode mode : TestConversionMode.values()) {
testConversion(mode, from.primitiveType(),
to.primitiveType(), value, convValue, false, null);
}
}
}
}
Example 9
| Source File: ExplicitCastArgumentsTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
/**
* Tests that primitive is successfully converted to other primitive type.
*/
public static void testPrim2Prim() {
for (Wrapper from : Wrapper.values()) {
for (Wrapper to : Wrapper.values()) {
if (from == Wrapper.VOID || to == Wrapper.VOID
|| from == Wrapper.OBJECT || to == Wrapper.OBJECT) {
continue;
}
Object value = RANDOM_VALUES.get(from);
Object convValue = to.wrap(value);
for (TestConversionMode mode : TestConversionMode.values()) {
testConversion(mode, from.primitiveType(),
to.primitiveType(), value, convValue, false, null);
}
}
}
}
Example 10
| Source File: ExplicitCastArgumentsTest.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that non-null any return is successfully converted to non-type
* void.
*/
public static void testReturnAny2Void() {
for (Wrapper from : Wrapper.values()) {
testConversion(TestConversionMode.RETURN_VALUE, from.wrapperType(),
void.class, RANDOM_VALUES.get(from),
null, false, null);
testConversion(TestConversionMode.RETURN_VALUE, from.primitiveType(),
void.class, RANDOM_VALUES.get(from),
null, false, null);
}
}
Example 11
| Source File: ExplicitCastArgumentsTest.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that primitive is successfully converted to wrapper reference
* types, to the Number type (if possible) and to the Object type.
*/
public static void testPrim2Ref() {
for (Wrapper from : Wrapper.values()) {
for (Wrapper to : Wrapper.values()) {
if (from == Wrapper.VOID || from == Wrapper.OBJECT
|| to == Wrapper.VOID || to == Wrapper.OBJECT) {
continue;
}
Object value = RANDOM_VALUES.get(from);
for (TestConversionMode mode : TestConversionMode.values()) {
if (from == to) {
testConversion(mode, from.primitiveType(),
to.wrapperType(), value, value, false, null);
} else {
testConversion(mode, from.primitiveType(),
to.wrapperType(), value, null, true, ClassCastException.class);
}
if (from != Wrapper.BOOLEAN && from != Wrapper.CHAR) {
testConversion(mode, from.primitiveType(),
Number.class, value, value, false, null);
} else {
testConversion(mode, from.primitiveType(),
Number.class, value, null,
true, ClassCastException.class);
}
testConversion(mode, from.primitiveType(),
Object.class, value, value, false, null);
}
}
}
}
Example 12
| Source File: ExplicitCastArgumentsTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that non-null any return is successfully converted to non-type
* void.
*/
public static void testReturnAny2Void() {
for (Wrapper from : Wrapper.values()) {
testConversion(TestConversionMode.RETURN_VALUE, from.wrapperType(),
void.class, RANDOM_VALUES.get(from),
null, false, null);
testConversion(TestConversionMode.RETURN_VALUE, from.primitiveType(),
void.class, RANDOM_VALUES.get(from),
null, false, null);
}
}
Example 13
| Source File: ExplicitCastArgumentsTest.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that void return is successfully converted to primitive and
* reference. Result should be zero for primitives and null for references.
*/
public static void testReturnVoid2Any() {
for (Wrapper to : Wrapper.values()) {
testConversion(TestConversionMode.RETURN_VALUE, void.class,
to.primitiveType(), null,
to.zero(), false, null);
testConversion(TestConversionMode.RETURN_VALUE, void.class,
to.wrapperType(), null,
null, false, null);
}
}
Example 14
| Source File: ExplicitCastArgumentsTest.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that void return is successfully converted to primitive and
* reference. Result should be zero for primitives and null for references.
*/
public static void testReturnVoid2Any() {
for (Wrapper to : Wrapper.values()) {
testConversion(TestConversionMode.RETURN_VALUE, void.class,
to.primitiveType(), null,
to.zero(), false, null);
testConversion(TestConversionMode.RETURN_VALUE, void.class,
to.wrapperType(), null,
null, false, null);
}
}
Example 15
| Source File: ExplicitCastArgumentsTest.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
public static void testRef2Prim() throws Throwable {
for (Wrapper from : Wrapper.values()) {
for (Wrapper to : Wrapper.values()) {
if (from == Wrapper.VOID || to == Wrapper.VOID) continue;
testRef2Prim(from, to);
}
}
}
Example 16
| Source File: ExplicitCastArgumentsTest.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that non-null any return is successfully converted to non-type
* void.
*/
public static void testReturnAny2Void() {
for (Wrapper from : Wrapper.values()) {
testConversion(TestConversionMode.RETURN_VALUE, from.wrapperType(),
void.class, RANDOM_VALUES.get(from),
null, false, null);
testConversion(TestConversionMode.RETURN_VALUE, from.primitiveType(),
void.class, RANDOM_VALUES.get(from),
null, false, null);
}
}
Example 17
| Source File: ExplicitCastArgumentsTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that void return is successfully converted to primitive and
* reference. Result should be zero for primitives and null for references.
*/
public static void testReturnVoid2Any() {
for (Wrapper to : Wrapper.values()) {
testConversion(TestConversionMode.RETURN_VALUE, void.class,
to.primitiveType(), null,
to.zero(), false, null);
testConversion(TestConversionMode.RETURN_VALUE, void.class,
to.wrapperType(), null,
null, false, null);
}
}
Example 18
| Source File: DirectMethodHandle.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
private static LambdaForm makePreparedFieldLambdaForm(byte formOp, boolean isVolatile, int ftypeKind) {
boolean isGetter = (formOp & 1) == (AF_GETFIELD & 1);
boolean isStatic = (formOp >= AF_GETSTATIC);
boolean needsInit = (formOp >= AF_GETSTATIC_INIT);
boolean needsCast = (ftypeKind == FT_CHECKED_REF);
Wrapper fw = (needsCast ? Wrapper.OBJECT : Wrapper.values()[ftypeKind]);
Class<?> ft = fw.primitiveType();
assert(ftypeKind(needsCast ? String.class : ft) == ftypeKind);
String tname = fw.primitiveSimpleName();
String ctname = Character.toUpperCase(tname.charAt(0)) + tname.substring(1);
if (isVolatile) ctname += "Volatile";
String getOrPut = (isGetter ? "get" : "put");
String linkerName = (getOrPut + ctname); // getObject, putIntVolatile, etc.
MethodType linkerType;
if (isGetter)
linkerType = MethodType.methodType(ft, Object.class, long.class);
else
linkerType = MethodType.methodType(void.class, Object.class, long.class, ft);
MemberName linker = new MemberName(Unsafe.class, linkerName, linkerType, REF_invokeVirtual);
try {
linker = IMPL_NAMES.resolveOrFail(REF_invokeVirtual, linker, null, NoSuchMethodException.class);
} catch (ReflectiveOperationException ex) {
throw newInternalError(ex);
}
// What is the external type of the lambda form?
MethodType mtype;
if (isGetter)
mtype = MethodType.methodType(ft);
else
mtype = MethodType.methodType(void.class, ft);
mtype = mtype.basicType(); // erase short to int, etc.
if (!isStatic)
mtype = mtype.insertParameterTypes(0, Object.class);
final int DMH_THIS = 0;
final int ARG_BASE = 1;
final int ARG_LIMIT = ARG_BASE + mtype.parameterCount();
// if this is for non-static access, the base pointer is stored at this index:
final int OBJ_BASE = isStatic ? -1 : ARG_BASE;
// if this is for write access, the value to be written is stored at this index:
final int SET_VALUE = isGetter ? -1 : ARG_LIMIT - 1;
int nameCursor = ARG_LIMIT;
final int F_HOLDER = (isStatic ? nameCursor++ : -1); // static base if any
final int F_OFFSET = nameCursor++; // Either static offset or field offset.
final int OBJ_CHECK = (OBJ_BASE >= 0 ? nameCursor++ : -1);
final int INIT_BAR = (needsInit ? nameCursor++ : -1);
final int PRE_CAST = (needsCast && !isGetter ? nameCursor++ : -1);
final int LINKER_CALL = nameCursor++;
final int POST_CAST = (needsCast && isGetter ? nameCursor++ : -1);
final int RESULT = nameCursor-1; // either the call or the cast
Name[] names = arguments(nameCursor - ARG_LIMIT, mtype.invokerType());
if (needsInit)
names[INIT_BAR] = new Name(Lazy.NF_ensureInitialized, names[DMH_THIS]);
if (needsCast && !isGetter)
names[PRE_CAST] = new Name(Lazy.NF_checkCast, names[DMH_THIS], names[SET_VALUE]);
Object[] outArgs = new Object[1 + linkerType.parameterCount()];
assert(outArgs.length == (isGetter ? 3 : 4));
outArgs[0] = UNSAFE;
if (isStatic) {
outArgs[1] = names[F_HOLDER] = new Name(Lazy.NF_staticBase, names[DMH_THIS]);
outArgs[2] = names[F_OFFSET] = new Name(Lazy.NF_staticOffset, names[DMH_THIS]);
} else {
outArgs[1] = names[OBJ_CHECK] = new Name(Lazy.NF_checkBase, names[OBJ_BASE]);
outArgs[2] = names[F_OFFSET] = new Name(Lazy.NF_fieldOffset, names[DMH_THIS]);
}
if (!isGetter) {
outArgs[3] = (needsCast ? names[PRE_CAST] : names[SET_VALUE]);
}
for (Object a : outArgs) assert(a != null);
names[LINKER_CALL] = new Name(linker, outArgs);
if (needsCast && isGetter)
names[POST_CAST] = new Name(Lazy.NF_checkCast, names[DMH_THIS], names[LINKER_CALL]);
for (Name n : names) assert(n != null);
String fieldOrStatic = (isStatic ? "Static" : "Field");
String lambdaName = (linkerName + fieldOrStatic); // significant only for debugging
if (needsCast) lambdaName += "Cast";
if (needsInit) lambdaName += "Init";
return new LambdaForm(lambdaName, ARG_LIMIT, names, RESULT);
}
Example 19
| Source File: DirectMethodHandle.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
private static LambdaForm makePreparedFieldLambdaForm(byte formOp, boolean isVolatile, int ftypeKind) {
boolean isGetter = (formOp & 1) == (AF_GETFIELD & 1);
boolean isStatic = (formOp >= AF_GETSTATIC);
boolean needsInit = (formOp >= AF_GETSTATIC_INIT);
boolean needsCast = (ftypeKind == FT_CHECKED_REF);
Wrapper fw = (needsCast ? Wrapper.OBJECT : Wrapper.values()[ftypeKind]);
Class<?> ft = fw.primitiveType();
assert(ftypeKind(needsCast ? String.class : ft) == ftypeKind);
String tname = fw.primitiveSimpleName();
String ctname = Character.toUpperCase(tname.charAt(0)) + tname.substring(1);
if (isVolatile) ctname += "Volatile";
String getOrPut = (isGetter ? "get" : "put");
String linkerName = (getOrPut + ctname); // getObject, putIntVolatile, etc.
MethodType linkerType;
if (isGetter)
linkerType = MethodType.methodType(ft, Object.class, long.class);
else
linkerType = MethodType.methodType(void.class, Object.class, long.class, ft);
MemberName linker = new MemberName(Unsafe.class, linkerName, linkerType, REF_invokeVirtual);
try {
linker = IMPL_NAMES.resolveOrFail(REF_invokeVirtual, linker, null, NoSuchMethodException.class);
} catch (ReflectiveOperationException ex) {
throw newInternalError(ex);
}
// What is the external type of the lambda form?
MethodType mtype;
if (isGetter)
mtype = MethodType.methodType(ft);
else
mtype = MethodType.methodType(void.class, ft);
mtype = mtype.basicType(); // erase short to int, etc.
if (!isStatic)
mtype = mtype.insertParameterTypes(0, Object.class);
final int DMH_THIS = 0;
final int ARG_BASE = 1;
final int ARG_LIMIT = ARG_BASE + mtype.parameterCount();
// if this is for non-static access, the base pointer is stored at this index:
final int OBJ_BASE = isStatic ? -1 : ARG_BASE;
// if this is for write access, the value to be written is stored at this index:
final int SET_VALUE = isGetter ? -1 : ARG_LIMIT - 1;
int nameCursor = ARG_LIMIT;
final int F_HOLDER = (isStatic ? nameCursor++ : -1); // static base if any
final int F_OFFSET = nameCursor++; // Either static offset or field offset.
final int OBJ_CHECK = (OBJ_BASE >= 0 ? nameCursor++ : -1);
final int INIT_BAR = (needsInit ? nameCursor++ : -1);
final int PRE_CAST = (needsCast && !isGetter ? nameCursor++ : -1);
final int LINKER_CALL = nameCursor++;
final int POST_CAST = (needsCast && isGetter ? nameCursor++ : -1);
final int RESULT = nameCursor-1; // either the call or the cast
Name[] names = arguments(nameCursor - ARG_LIMIT, mtype.invokerType());
if (needsInit)
names[INIT_BAR] = new Name(Lazy.NF_ensureInitialized, names[DMH_THIS]);
if (needsCast && !isGetter)
names[PRE_CAST] = new Name(Lazy.NF_checkCast, names[DMH_THIS], names[SET_VALUE]);
Object[] outArgs = new Object[1 + linkerType.parameterCount()];
assert(outArgs.length == (isGetter ? 3 : 4));
outArgs[0] = UNSAFE;
if (isStatic) {
outArgs[1] = names[F_HOLDER] = new Name(Lazy.NF_staticBase, names[DMH_THIS]);
outArgs[2] = names[F_OFFSET] = new Name(Lazy.NF_staticOffset, names[DMH_THIS]);
} else {
outArgs[1] = names[OBJ_CHECK] = new Name(Lazy.NF_checkBase, names[OBJ_BASE]);
outArgs[2] = names[F_OFFSET] = new Name(Lazy.NF_fieldOffset, names[DMH_THIS]);
}
if (!isGetter) {
outArgs[3] = (needsCast ? names[PRE_CAST] : names[SET_VALUE]);
}
for (Object a : outArgs) assert(a != null);
names[LINKER_CALL] = new Name(linker, outArgs);
if (needsCast && isGetter)
names[POST_CAST] = new Name(Lazy.NF_checkCast, names[DMH_THIS], names[LINKER_CALL]);
for (Name n : names) assert(n != null);
String fieldOrStatic = (isStatic ? "Static" : "Field");
String lambdaName = (linkerName + fieldOrStatic); // significant only for debugging
if (needsCast) lambdaName += "Cast";
if (needsInit) lambdaName += "Init";
return new LambdaForm(lambdaName, ARG_LIMIT, names, RESULT);
}
Example 20
| Source File: DirectMethodHandle.java From JDKSourceCode1.8 with MIT License | 4 votes |
|
private static LambdaForm makePreparedFieldLambdaForm(byte formOp, boolean isVolatile, int ftypeKind) {
boolean isGetter = (formOp & 1) == (AF_GETFIELD & 1);
boolean isStatic = (formOp >= AF_GETSTATIC);
boolean needsInit = (formOp >= AF_GETSTATIC_INIT);
boolean needsCast = (ftypeKind == FT_CHECKED_REF);
Wrapper fw = (needsCast ? Wrapper.OBJECT : Wrapper.values()[ftypeKind]);
Class<?> ft = fw.primitiveType();
assert(ftypeKind(needsCast ? String.class : ft) == ftypeKind);
String tname = fw.primitiveSimpleName();
String ctname = Character.toUpperCase(tname.charAt(0)) + tname.substring(1);
if (isVolatile) ctname += "Volatile";
String getOrPut = (isGetter ? "get" : "put");
String linkerName = (getOrPut + ctname); // getObject, putIntVolatile, etc.
MethodType linkerType;
if (isGetter)
linkerType = MethodType.methodType(ft, Object.class, long.class);
else
linkerType = MethodType.methodType(void.class, Object.class, long.class, ft);
MemberName linker = new MemberName(Unsafe.class, linkerName, linkerType, REF_invokeVirtual);
try {
linker = IMPL_NAMES.resolveOrFail(REF_invokeVirtual, linker, null, NoSuchMethodException.class);
} catch (ReflectiveOperationException ex) {
throw newInternalError(ex);
}
// What is the external type of the lambda form?
MethodType mtype;
if (isGetter)
mtype = MethodType.methodType(ft);
else
mtype = MethodType.methodType(void.class, ft);
mtype = mtype.basicType(); // erase short to int, etc.
if (!isStatic)
mtype = mtype.insertParameterTypes(0, Object.class);
final int DMH_THIS = 0;
final int ARG_BASE = 1;
final int ARG_LIMIT = ARG_BASE + mtype.parameterCount();
// if this is for non-static access, the base pointer is stored at this index:
final int OBJ_BASE = isStatic ? -1 : ARG_BASE;
// if this is for write access, the value to be written is stored at this index:
final int SET_VALUE = isGetter ? -1 : ARG_LIMIT - 1;
int nameCursor = ARG_LIMIT;
final int F_HOLDER = (isStatic ? nameCursor++ : -1); // static base if any
final int F_OFFSET = nameCursor++; // Either static offset or field offset.
final int OBJ_CHECK = (OBJ_BASE >= 0 ? nameCursor++ : -1);
final int INIT_BAR = (needsInit ? nameCursor++ : -1);
final int PRE_CAST = (needsCast && !isGetter ? nameCursor++ : -1);
final int LINKER_CALL = nameCursor++;
final int POST_CAST = (needsCast && isGetter ? nameCursor++ : -1);
final int RESULT = nameCursor-1; // either the call or the cast
Name[] names = arguments(nameCursor - ARG_LIMIT, mtype.invokerType());
if (needsInit)
names[INIT_BAR] = new Name(Lazy.NF_ensureInitialized, names[DMH_THIS]);
if (needsCast && !isGetter)
names[PRE_CAST] = new Name(Lazy.NF_checkCast, names[DMH_THIS], names[SET_VALUE]);
Object[] outArgs = new Object[1 + linkerType.parameterCount()];
assert(outArgs.length == (isGetter ? 3 : 4));
outArgs[0] = UNSAFE;
if (isStatic) {
outArgs[1] = names[F_HOLDER] = new Name(Lazy.NF_staticBase, names[DMH_THIS]);
outArgs[2] = names[F_OFFSET] = new Name(Lazy.NF_staticOffset, names[DMH_THIS]);
} else {
outArgs[1] = names[OBJ_CHECK] = new Name(Lazy.NF_checkBase, names[OBJ_BASE]);
outArgs[2] = names[F_OFFSET] = new Name(Lazy.NF_fieldOffset, names[DMH_THIS]);
}
if (!isGetter) {
outArgs[3] = (needsCast ? names[PRE_CAST] : names[SET_VALUE]);
}
for (Object a : outArgs) assert(a != null);
names[LINKER_CALL] = new Name(linker, outArgs);
if (needsCast && isGetter)
names[POST_CAST] = new Name(Lazy.NF_checkCast, names[DMH_THIS], names[LINKER_CALL]);
for (Name n : names) assert(n != null);
String fieldOrStatic = (isStatic ? "Static" : "Field");
String lambdaName = (linkerName + fieldOrStatic); // significant only for debugging
if (needsCast) lambdaName += "Cast";
if (needsInit) lambdaName += "Init";
return new LambdaForm(lambdaName, ARG_LIMIT, names, RESULT);
}
