mozilla
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pjs
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I changes ClassFileField to store its attribute as simple short fields to avoid allocation of short[4] array for each field.

This commit is contained in:
igor%mir2.org 2003-03-13 14:03:03 +00:00
Родитель bc7b9d73d8
Коммит 203b0ffbd9
1 изменённых файлов: 37 добавлений и 35 удалений
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72
js/rhino/src/org/mozilla/classfile/ClassFileWriter.java
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@ -152,13 +152,13 @@ public class ClassFileWriter {
{
short fieldNameIndex = itsConstantPool.addUtf8(fieldName);
short typeIndex = itsConstantPool.addUtf8(type);
short cvAttr[] = new short[4];
cvAttr[0] = itsConstantPool.addUtf8("ConstantValue");
cvAttr[1] = 0;
cvAttr[2] = 2;
cvAttr[3] = itsConstantPool.addConstant(value);
itsFields.add(
new ClassFileField(fieldNameIndex, typeIndex, flags, cvAttr));
ClassFileField field = new ClassFileField(fieldNameIndex, typeIndex,
flags);
field.setAttributes(itsConstantPool.addUtf8("ConstantValue"),
(short)0,
(short)0,
itsConstantPool.addConstant(value));
itsFields.add(field);
}
/**
@ -175,13 +175,13 @@ public class ClassFileWriter {
{
short fieldNameIndex = itsConstantPool.addUtf8(fieldName);
short typeIndex = itsConstantPool.addUtf8(type);
short cvAttr[] = new short[4];
cvAttr[0] = itsConstantPool.addUtf8("ConstantValue");
cvAttr[1] = 0;
cvAttr[2] = 2;
cvAttr[3] = itsConstantPool.addConstant(value);
itsFields.add(
new ClassFileField(fieldNameIndex, typeIndex, flags, cvAttr));
ClassFileField field = new ClassFileField(fieldNameIndex, typeIndex,
flags);
field.setAttributes(itsConstantPool.addUtf8("ConstantValue"),
(short)0,
(short)2,
itsConstantPool.addConstant(value));
itsFields.add(field);
}
/**
@ -198,13 +198,13 @@ public class ClassFileWriter {
{
short fieldNameIndex = itsConstantPool.addUtf8(fieldName);
short typeIndex = itsConstantPool.addUtf8(type);
short cvAttr[] = new short[4];
cvAttr[0] = itsConstantPool.addUtf8("ConstantValue");
cvAttr[1] = 0;
cvAttr[2] = 2;
cvAttr[3] = itsConstantPool.addConstant(value);
itsFields.add(
new ClassFileField(fieldNameIndex, typeIndex, flags, cvAttr));
ClassFileField field = new ClassFileField(fieldNameIndex, typeIndex,
flags);
field.setAttributes(itsConstantPool.addUtf8("ConstantValue"),
(short)0,
(short)2,
itsConstantPool.addConstant(value));
itsFields.add(field);
}
/**
@ -1216,15 +1216,16 @@ final class ClassFileField
itsNameIndex = nameIndex;
itsTypeIndex = typeIndex;
itsFlags = flags;
itsHasAttributes = false;
}
ClassFileField(short nameIndex, short typeIndex, short flags,
short cvAttr[])
void setAttributes(short attr1, short attr2, short attr3, short attr4)
{
itsNameIndex = nameIndex;
itsTypeIndex = typeIndex;
itsFlags = flags;
itsAttr = cvAttr;
itsHasAttributes = true;
itsAttr1 = attr1;
itsAttr2 = attr2;
itsAttr3 = attr3;
itsAttr4 = attr4;
}
int write(byte[] data, int offset)
@ -1232,15 +1233,15 @@ final class ClassFileField
offset = ClassFileWriter.putInt16(itsFlags, data, offset);
offset = ClassFileWriter.putInt16(itsNameIndex, data, offset);
offset = ClassFileWriter.putInt16(itsTypeIndex, data, offset);
if (itsAttr == null) {
// no attributes
if (!itsHasAttributes) {
// write 0 attributes
offset = ClassFileWriter.putInt16(0, data, offset);
} else {
offset = ClassFileWriter.putInt16(1, data, offset);
offset = ClassFileWriter.putInt16(itsAttr[0], data, offset);
offset = ClassFileWriter.putInt16(itsAttr[1], data, offset);
offset = ClassFileWriter.putInt16(itsAttr[2], data, offset);
offset = ClassFileWriter.putInt16(itsAttr[3], data, offset);
offset = ClassFileWriter.putInt16(itsAttr1, data, offset);
offset = ClassFileWriter.putInt16(itsAttr2, data, offset);
offset = ClassFileWriter.putInt16(itsAttr3, data, offset);
offset = ClassFileWriter.putInt16(itsAttr4, data, offset);
}
return offset;
}
@ -1248,7 +1249,7 @@ final class ClassFileField
int getWriteSize()
{
int size = 2 * 3;
if (itsAttr == null) {
if (!itsHasAttributes) {
size += 2;
} else {
size += 2 + 2 * 4;
@ -1259,7 +1260,8 @@ final class ClassFileField
private short itsNameIndex;
private short itsTypeIndex;
private short itsFlags;
private short itsAttr[];
private boolean itsHasAttributes;
private short itsAttr1, itsAttr2, itsAttr3, itsAttr4;
}
final class ClassFileMethod