< prev index next > src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java
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public static String flagNames(long flags) {
StringBuilder sbuf = new StringBuilder();
int i = 0;
long f = flags & StandardFlags;
while (f != 0) {
! if ((f & 1) != 0) {
sbuf.append(" ");
sbuf.append(flagName[i]);
}
f = f >> 1;
i++;
public static String flagNames(long flags) {
StringBuilder sbuf = new StringBuilder();
int i = 0;
long f = flags & StandardFlags;
while (f != 0) {
! if ((f & 1) != 0 && flagName[i] != "") {
sbuf.append(" ");
sbuf.append(flagName[i]);
}
f = f >> 1;
i++;
return sbuf.toString();
}
//where
private static final String[] flagName = {
"PUBLIC", "PRIVATE", "PROTECTED", "STATIC", "FINAL",
! "SUPER", "VOLATILE", "TRANSIENT", "NATIVE", "INTERFACE",
"ABSTRACT", "STRICTFP"};
/* ****************************************************************
* Output routines
******************************************************************/
return sbuf.toString();
}
//where
private static final String[] flagName = {
"PUBLIC", "PRIVATE", "PROTECTED", "STATIC", "FINAL",
! // the empty position should be for synchronized but right now we don't have any test checking it
+ "", "VOLATILE", "TRANSIENT", "NATIVE", "INTERFACE",
"ABSTRACT", "STRICTFP"};
/* ****************************************************************
* Output routines
******************************************************************/
void writeInnerClasses() {
int alenIdx = writeAttr(names.InnerClasses);
databuf.appendChar(poolWriter.innerClasses.size());
for (ClassSymbol inner : poolWriter.innerClasses) {
inner.markAbstractIfNeeded(types);
! int flags = adjustFlags(inner.flags_field);
if ((flags & INTERFACE) != 0) flags |= ABSTRACT; // Interfaces are always ABSTRACT
- flags &= ~STRICTFP; //inner classes should not have the strictfp flag set.
if (dumpInnerClassModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println("INNERCLASS " + inner.name);
pw.println("---" + flagNames(flags));
}
void writeInnerClasses() {
int alenIdx = writeAttr(names.InnerClasses);
databuf.appendChar(poolWriter.innerClasses.size());
for (ClassSymbol inner : poolWriter.innerClasses) {
inner.markAbstractIfNeeded(types);
! int flags = adjustFlags(inner, inner.flags_field);
if ((flags & INTERFACE) != 0) flags |= ABSTRACT; // Interfaces are always ABSTRACT
if (dumpInnerClassModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println("INNERCLASS " + inner.name);
pw.println("---" + flagNames(flags));
}
databuf.appendChar(flags);
}
endAttr(alenIdx);
}
+ /** Write out "LoadableDescriptors" attribute by enumerating the value classes encountered in field/method descriptors during this compilation.
+ */
+ void writeLoadableDescriptorsAttribute() {
+ int alenIdx = writeAttr(names.LoadableDescriptors);
+ databuf.appendChar(poolWriter.loadableDescriptors.size());
+ for (Symbol c : poolWriter.loadableDescriptors) {
+ databuf.appendChar(poolWriter.putDescriptor(c));
+ }
+ endAttr(alenIdx);
+ }
+
int writeRecordAttribute(ClassSymbol csym) {
int alenIdx = writeAttr(names.Record);
Scope s = csym.members();
databuf.appendChar(csym.getRecordComponents().size());
for (VarSymbol v: csym.getRecordComponents()) {
}
/** Write field symbol, entering all references into constant pool.
*/
void writeField(VarSymbol v) {
! int flags = adjustFlags(v.flags());
databuf.appendChar(flags);
if (dumpFieldModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println("FIELD " + v.name);
pw.println("---" + flagNames(v.flags()));
}
databuf.appendChar(poolWriter.putName(v.name));
databuf.appendChar(poolWriter.putDescriptor(v));
int acountIdx = beginAttrs();
int acount = 0;
if (v.getConstValue() != null) {
int alenIdx = writeAttr(names.ConstantValue);
databuf.appendChar(poolWriter.putConstant(v.getConstValue()));
}
/** Write field symbol, entering all references into constant pool.
*/
void writeField(VarSymbol v) {
! int flags = adjustFlags(v, v.flags());
databuf.appendChar(flags);
if (dumpFieldModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println("FIELD " + v.name);
pw.println("---" + flagNames(v.flags()));
}
databuf.appendChar(poolWriter.putName(v.name));
databuf.appendChar(poolWriter.putDescriptor(v));
+ Type fldType = v.erasure(types);
+ if (fldType.requiresLoadableDescriptors(v.owner)) {
+ poolWriter.enterLoadableDescriptorsClass(fldType.tsym);
+ if (preview.isPreview(Source.Feature.VALUE_CLASSES)) {
+ preview.markUsesPreview(null);
+ }
+ }
int acountIdx = beginAttrs();
int acount = 0;
if (v.getConstValue() != null) {
int alenIdx = writeAttr(names.ConstantValue);
databuf.appendChar(poolWriter.putConstant(v.getConstValue()));
}
/** Write method symbol, entering all references into constant pool.
*/
void writeMethod(MethodSymbol m) {
! int flags = adjustFlags(m.flags());
databuf.appendChar(flags);
if (dumpMethodModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println("METHOD " + m.name);
pw.println("---" + flagNames(m.flags()));
}
databuf.appendChar(poolWriter.putName(m.name));
databuf.appendChar(poolWriter.putDescriptor(m));
int acountIdx = beginAttrs();
int acount = 0;
if (m.code != null) {
int alenIdx = writeAttr(names.Code);
writeCode(m.code);
}
/** Write method symbol, entering all references into constant pool.
*/
void writeMethod(MethodSymbol m) {
! int flags = adjustFlags(m, m.flags());
databuf.appendChar(flags);
if (dumpMethodModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println("METHOD " + m.name);
pw.println("---" + flagNames(m.flags()));
}
databuf.appendChar(poolWriter.putName(m.name));
databuf.appendChar(poolWriter.putDescriptor(m));
+ MethodType mtype = (MethodType) m.externalType(types);
+ for (Type t : mtype.getParameterTypes()) {
+ if (t.requiresLoadableDescriptors(m.owner)) {
+ poolWriter.enterLoadableDescriptorsClass(t.tsym);
+ if (preview.isPreview(Source.Feature.VALUE_CLASSES)) {
+ preview.markUsesPreview(null);
+ }
+ }
+ }
+ Type returnType = mtype.getReturnType();
+ if (returnType.requiresLoadableDescriptors(m.owner)) {
+ poolWriter.enterLoadableDescriptorsClass(returnType.tsym);
+ if (preview.isPreview(Source.Feature.VALUE_CLASSES)) {
+ preview.markUsesPreview(null);
+ }
+ }
int acountIdx = beginAttrs();
int acount = 0;
if (m.code != null) {
int alenIdx = writeAttr(names.Code);
writeCode(m.code);
int flags;
if (c.owner.kind == MDL) {
flags = ACC_MODULE;
} else {
! flags = adjustFlags(c.flags() & ~DEFAULT);
if ((flags & PROTECTED) != 0) flags |= PUBLIC;
! flags = flags & ClassFlags & ~STRICTFP;
! if ((flags & INTERFACE) == 0) flags |= ACC_SUPER;
}
if (dumpClassModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println();
int flags;
if (c.owner.kind == MDL) {
flags = ACC_MODULE;
} else {
! long originalFlags = c.flags();
+ flags = adjustFlags(c, c.flags() & ~(DEFAULT | STRICTFP));
if ((flags & PROTECTED) != 0) flags |= PUBLIC;
! flags = flags & ClassFlags;
! flags |= (originalFlags & IDENTITY_TYPE) != 0 ? ACC_IDENTITY : flags;
}
if (dumpClassModifiers) {
PrintWriter pw = log.getWriter(Log.WriterKind.ERROR);
pw.println();
if (!poolWriter.innerClasses.isEmpty()) {
writeInnerClasses();
acount++;
}
+ if (!poolWriter.loadableDescriptors.isEmpty()) {
+ writeLoadableDescriptorsAttribute();
+ acount++;
+ }
+
endAttrs(acountIdx, acount);
out.write(poolbuf.elems, 0, poolbuf.length);
poolWriter.writePool(out);
i += hook.applyAsInt(sym);
}
return i;
}
! int adjustFlags(final long flags) {
int result = (int)flags;
// Elide strictfp bit in class files
if (target.obsoleteAccStrict())
result &= ~STRICTFP;
i += hook.applyAsInt(sym);
}
return i;
}
! int adjustFlags(Symbol sym, final long flags) {
int result = (int)flags;
// Elide strictfp bit in class files
if (target.obsoleteAccStrict())
result &= ~STRICTFP;
result |= ACC_BRIDGE;
if ((flags & VARARGS) != 0)
result |= ACC_VARARGS;
if ((flags & DEFAULT) != 0)
result &= ~ABSTRACT;
+ if ((flags & IDENTITY_TYPE) != 0) {
+ result |= ACC_IDENTITY;
+ }
+ if (sym.kind == VAR) {
+ if ((flags & STRICT) != 0) {
+ result |= ACC_STRICT;
+ }
+ }
return result;
}
long getLastModified(FileObject filename) {
long mod = 0;
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