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I can't even describe my disappointment at interfaces

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This commit is contained in:
vegowotenks 2024-09-11 00:02:48 +02:00
parent d7d159d115
commit 9190d3f7e7
4 changed files with 116 additions and 15 deletions
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33
src/classfile.rs
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@ -5,7 +5,7 @@ use core::str::Utf8Error;
use crate::accessmasks::*;
use crate::bytecode::Bytecode;
use crate::constantpool::{ ConstantFieldRefInfo, ConstantPoolInfo, ConstantUtf8Info, ConstantStringInfo, ConstantMethodRefInfo, ConstantFloatInfo, ConstantClassInfo, ConstantNameAndTypeInfo, ConstantIntegerInfo, ConstantLongInfo };
use crate::constantpool::{ ConstantFieldRefInfo, ConstantPoolInfo, ConstantUtf8Info, ConstantInterfaceMethodRefInfo, ConstantStringInfo, ConstantMethodRefInfo, ConstantFloatInfo, ConstantClassInfo, ConstantNameAndTypeInfo, ConstantIntegerInfo, ConstantLongInfo };
#[derive(Debug)]
pub enum Error {
@ -206,6 +206,17 @@ impl JavaClassFile {
return pool_entry(&self.constant_pool, index);
}
pub fn pool_interfacemethodref_entry(&self, index: u16) -> Result<&ConstantInterfaceMethodRefInfo, Error> {
let pool_entry = self.pool_entry(index)?;
let methodref_entry = match pool_entry {
ConstantPoolInfo::InterfaceMethodRef(data) => data,
_ => unreachable!(),
};
return Ok(methodref_entry);
}
pub fn pool_methodref_entry(&self, index: u16) -> Result<&ConstantMethodRefInfo, Error> {
let pool_entry = self.pool_entry(index)?;
@ -329,6 +340,19 @@ impl JavaClassFile {
Ok(class_name)
}
pub fn gather_interfacemethodref(&self, index: u16) -> Result<(&String, &String, &String), Error> {
let methodref = self.pool_interfacemethodref_entry(index)?;
let class_entry = self.pool_class_entry(methodref.class_index)?;
let class_name_entry = self.pool_utf8_entry(class_entry.name_index)?;
let name_and_type_entry = self.pool_nameandtype_entry(methodref.name_and_type_index)?;
let class_name = &class_name_entry.utf8;
let method_name = &self.pool_utf8_entry(name_and_type_entry.name_index)?.utf8;
let method_descriptor = &self.pool_utf8_entry(name_and_type_entry.descriptor_index)?.utf8;
return Ok((class_name, method_name, method_descriptor));
}
pub fn gather_methodref(&self, index: u16) -> Result<(&String, &String, &String), Error> {
let methodref = self.pool_methodref_entry(index)?;
let class_entry = self.pool_class_entry(methodref.class_index)?;
@ -886,6 +910,13 @@ impl AbstractTypeDescription {
return Ok((offset, AbstractTypeDescription { array_level, kind }))
}
pub fn for_class_name(name: &str) -> Self {
AbstractTypeDescription {
array_level: 0,
kind: AbstractTypeKind::Classname(name.to_string()),
}
}
}
#[derive(Debug, Eq, PartialEq)]