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7190750: (pack200) the java unpacker produces non spec. compliant classfile with lambda classfiles

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Reviewed-by: jrose
This commit is contained in:
Kumar Srinivasan 2012-08-17 08:28:48 -07:00
parent 3be453e452
commit d07131ac67
1 changed files with 21 additions and 0 deletions
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21
jdk/src/share/classes/com/sun/java/util/jar/pack/ClassWriter.java
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@ -207,6 +207,22 @@ class ClassWriter {
m);
}
private void reorderBSMandICS(Attribute.Holder h) {
Attribute bsmAttr = h.getAttribute(Package.attrBootstrapMethodsEmpty);
if (bsmAttr == null) return;
Attribute icsAttr = h.getAttribute(Package.attrInnerClassesEmpty);
if (icsAttr == null) return;
int bsmidx = h.attributes.indexOf(bsmAttr);
int icsidx = h.attributes.indexOf(icsAttr);
if (bsmidx > icsidx) {
h.attributes.remove(bsmAttr);
h.attributes.add(icsidx, bsmAttr);
}
return;
}
// handy buffer for collecting attrs
ByteArrayOutputStream buf = new ByteArrayOutputStream();
DataOutputStream bufOut = new DataOutputStream(buf);
@ -216,6 +232,11 @@ class ClassWriter {
writeShort(0); // attribute size
return;
}
// there may be cases if an InnerClass attribute is explicit, then the
// ordering could be wrong, fix the ordering before we write it out.
if (h instanceof Package.Class)
reorderBSMandICS(h);
writeShort(h.attributes.size());
for (Attribute a : h.attributes) {
a.finishRefs(cpIndex);