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Feature/class-parser comment work #3

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Feature/class-parser comment work #3

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74b2b1f
Begin comment work
eversiege Nov 28, 2024
6432f3e
Merge branch 'feature/class-parser' of https://github.com/eversiege/L…
eversiege Nov 28, 2024
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1 change: 1 addition & 0 deletions Lycoris
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Submodule Lycoris added at 8f1a91
16 changes: 13 additions & 3 deletions src/main/java/org/momento/lycoris/mixins/mixin/classe/ClassWrapper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,14 +29,15 @@ public enum AccessFlag {

private char value;

// set up flags reading and their properties
AccessFlag(char value) {
this.value = value;
}

public char getValue() { return value; }
public char setValue(char value) { this.value = value; return value; }


// map values
public static AccessFlag fromValue(final char value) {
for (final AccessFlag flag : AccessFlag.values()) {
if (flag.getValue() == value)
Expand Down Expand Up @@ -65,6 +66,7 @@ public void removeAccessFlag(final AccessFlag flag) {
}
}

// setup decoding attributes to class
private final int magic;
private final char minorVersion;
private final char majorVersion;
Expand Down Expand Up @@ -106,16 +108,22 @@ public ClassWrapper(final int magic, final char minorVersion, final char majorVe
public MethodInfo[] getMethods() { return methods; }
public AttributeInfo[] getAttributes() { return attributes; }


// reading class info header
public static ClassWrapper decode(ByteBuffer buffer) {
int magic = buffer.getInt();
char minorVersion = buffer.getChar();
char majorVersion = buffer.getChar();

// start decoding info
ConstantPool[] constantPool = new ConstantPool[buffer.getChar() - 1];
for (int i = 0; i < constantPool.length; ++i)
constantPool[i] = ConstantPool.decode(buffer);

AccessFlag flag = AccessFlag.fromValue(buffer.getChar());
char thisClass = buffer.getChar();
char superClass = buffer.getChar();

char[] interfaces = new char[buffer.getChar()];
for (int i = 0; i < interfaces.length; ++i)
interfaces[i] = buffer.getChar();
Expand All @@ -128,15 +136,17 @@ public static ClassWrapper decode(ByteBuffer buffer) {
AttributeInfo[] attributes = new AttributeInfo[buffer.getChar()];
for (int i = 0; i < attributes.length; ++i)
attributes[i] = AttributeInfo.decode(constantPool, buffer);
return new ClassWrapper(magic, minorVersion, majorVersion, constantPool, flag, thisClass, superClass, interfaces, fields, methods, attributes);

return new ClassWrapper(magic, minorVersion, majorVersion, constantPool, flag, thisClass, superClass, interfaces, fields, methods, attributes);
}

// error edge case
public static ClassWrapper decode(Path path) throws IOException {
byte[] bytes = Files.readAllBytes(path);
ByteBuffer buffer = ByteBuffer.wrap(bytes);
return decode(buffer);
}

// create and encode to bytebuffer
@Override
public void encode(ByteBuffer buffer) {
buffer.putInt(magic);
Expand Down