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array load

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This commit is contained in:
Sander Hautvast 2023-10-11 07:40:08 +02:00
parent c95154b8e0
commit 93297e1f30
1 changed files with 41 additions and 4 deletions
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45
src/vm.rs
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@ -233,10 +233,8 @@ impl Vm {
ILOAD_3 | LLOAD_3 | FLOAD_3 | DLOAD_3 | ALOAD_3 => {
self.local_stack().push_arc(args[3].clone());
}
IALOAD | LALOAD | FALOAD | DALOAD | AALOAD | BALOAD | CALOAD | SALOAD => {
// TODO implement arrays
// let index = self.local_stack().pop()?;
// let array_ref = self.local_stack().pop()?;
IALOAD | LALOAD | FALOAD | DALOAD | AALOAD | BALOAD | CALOAD | SALOAD => unsafe {
self.array_load()?;
}
ISTORE | LSTORE | FSTORE | DSTORE | ASTORE => {
let index = read_u8(&code.opcodes, pc) as usize;
@ -367,6 +365,45 @@ impl Vm {
panic!("should not happen")
}
unsafe fn array_load(&mut self) -> Result<(), Error> {
if let Value::I32(index) = &*self.local_stack().pop()?.get() {
let index = *index as usize;
if let Value::Ref(ref objectref) = &*self.local_stack().pop()?.get() {
match &*objectref.get() {
ObjectRef::ByteArray(ref array) => {
self.local_stack().push(Value::I32(array[index] as i32));
}
ObjectRef::ShortArray(ref array) => {
self.local_stack().push(Value::I32(array[index] as i32));
}
ObjectRef::IntArray(ref array) => {
self.local_stack().push(Value::I32(array[index]));
}
ObjectRef::BooleanArray(ref array) => {
self.local_stack().push(Value::I32(array[index] as i32));
}
ObjectRef::CharArray(ref array) => {
self.local_stack().push(Value::CHAR(array[index]));
}
ObjectRef::LongArray(ref array) => {
self.local_stack().push(Value::I64(array[index]));
}
ObjectRef::FloatArray(ref array) => {
self.local_stack().push(Value::F32(array[index]));
}
ObjectRef::DoubleArray(ref array) => {
self.local_stack().push(Value::F64(array[index]));
}
ObjectRef::ObjectArray(ref array) => {
self.local_stack().push(Value::Ref(array.get(index).unwrap().clone()));
}
ObjectRef::Object(_) => {} //throw error?
}
}
}
Ok(())
}
unsafe fn array_store(&mut self) -> Result<(), Error> {
let element = self.local_stack().pop()?;