jvm/src/native_methods.rs

603 lines
28 KiB
Rust

use crate::classfile::{ AbstractTypeDescription, AbstractTypeKind, MethodDescriptor };
use crate::native_registry::NativeMethodCallable;
use crate::jvm::JVM;
use crate::jvm::Error;
use crate::jvm::JVMCallbackOperation;
pub fn ignore_call(_: &mut JVM) -> Result<JVMCallbackOperation, Error> {
Ok(JVMCallbackOperation::PopFrame())
}
pub fn todo_call(_: &mut JVM) -> Result<JVMCallbackOperation, Error> {
todo!()
}
pub fn java_lang_object_get_class(jvm: &mut JVM) -> Result<JVMCallbackOperation, Error> {
todo!()
}
pub fn function_for(class_name: &str, m: &crate::classfile::MethodInfo) -> Result<NativeMethodCallable, Error> {
let method_name: &str = &m.name;
match (class_name, method_name) {
("java/lang/Class", "forName0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/String".to_string()) },
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean() },
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/ClassLoader".to_string()) },
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname(String::from("java/lang/Class"))},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "desiredAssertionStatus0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getClassAccessFlagsRaw0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Int() },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getClassFileVersion0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Int() },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getConstantPool") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("jdk/internal/reflect/ConstantPool".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getDeclaredClasses0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getDeclaredConstructors0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean() },
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/reflect/Constructor".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getDeclaredFields0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean() },
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/reflect/Field".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getDeclaredMethods0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean() },
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/reflect/Method".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getDeclaringClass0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getEnclosingMethod0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/Object".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getGenericSignature0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/String".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getInterfaces0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getNestMembers0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getModifiers") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Int() },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getNestHost0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getPermittedSubclasses0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getPrimitiveClass") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/String".to_string()) },
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getProtectionDomain0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/security/ProtectionDomain".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getRawAnnotations") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Byte() },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getRawTypeAnnotations") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Byte() },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getRecordComponents0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/reflect/RecordComponent".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getSimpleBinaryName0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/String".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getSigners") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/Object".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "getSuperclass") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "isAssignableFrom") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Class".to_string()) },
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "initClassName") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/String".to_string()) },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "isArray") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "isHidden") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "isInstance") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname("java/lang/Object".to_string()) },
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "isInterface") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "isPrimitive") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "isRecord0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Boolean()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "registerNatives") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Void()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Class", "setSigners") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 1, kind: AbstractTypeKind::Classname("java/lang/Object".to_string()) }
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Void() },
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/String", "intern") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname(String::from("java/lang/String"))},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Object", "clone") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname(String::from("java/lang/Object"))},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Object", "getClass") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Classname(String::from("java/lang/Class"))},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(java_lang_object_get_class)
}
("java/lang/Object", "hashCode") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Int()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Object", "notifyAll") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Void()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Object", "notify") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Void()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
("java/lang/Object", "wait0") => {
let expected_descriptor = MethodDescriptor {
argument_types: Box::new([
AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Long() },
]),
return_type: AbstractTypeDescription { array_level: 0, kind: AbstractTypeKind::Void()},
};
if m.descriptor != expected_descriptor {
return Err(Error::RunTimeError(format!("Native descriptor mismatch for method '{class_name}.{method_name}': found '{}' but expected '{}'", m.descriptor.source_string(), expected_descriptor.source_string())));
}
Ok(todo_call)
}
_ => Err(Error::RunTimeError(format!("Failed to find native implementation for method '{class_name}.{method_name}'"))),
}
}