jvmrs 0.1.2

A JVM implementation in Rust with Cranelift JIT, AOT compilation, and WebAssembly support
Documentation
//! Set array element value
    pub fn array_set_value(&mut self, array_ref: u32, index: i32, value: Value) -> Result<(), RuntimeError> {
        self.memory.heap.array_set(array_ref, index as usize, value)?;
        Ok(())
    }

    /// Set integer array element value (convenience method)
    pub fn array_set_int(&mut self, array_ref: u32, index: i32, value: i32) -> Result<(), RuntimeError> {
        self.memory.heap.array_set(array_ref, index as usize, Value::Int(value))?;
        Ok(())
    }

    /// Get array element value
    pub fn array_get_value(&mut self, array_ref: u32, index: i32) -> Result<Value, RuntimeError> {
        self.memory.heap.array_get(array_ref, index as usize)
    }

    /// Get integer array element value (convenience method)
    pub fn array_get_int(&mut self, array_ref: u32, index: i32) -> Result<i32, RuntimeError> {
        match self.memory.heap.array_get(array_ref, index as usize)? {
            Value::Int(val) => Ok(val),
            _ => Err(RuntimeError::InvalidTypeConversion("array element".to_string(), "int".to_string())),
        }
    }

    /// Create a new object array
    pub fn new_array_object(&mut self, component_type: &str, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::ReferenceArray(component_type.to_string(), vec![0; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new boolean array
    pub fn new_array_bool(&mut self, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::BooleanArray(vec![false; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new byte array
    pub fn new_array_byte(&mut self, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::ByteArray(vec![0; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new char array
    pub fn new_array_char(&mut self, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::CharArray(vec![0u16; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new short array
    pub fn new_array_short(&mut self, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::ShortArray(vec![0; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new long array
    pub fn new_array_long(&mut self, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::LongArray(vec![0; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new float array
    pub fn new_array_float(&mut self, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::FloatArray(vec![0.0; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new double array
    pub fn new_array_double(&mut self, length: i32) -> Result<u32, RuntimeError> {
        if length < 0 {
            return Err(RuntimeError::NegativeArraySizeException(length));
        }
        let arr = crate::memory::HeapArray::DoubleArray(vec![0.0; length as usize]);
        Ok(self.memory.heap.allocate_array(arr))
    }

    /// Create a new integer array (convenience method)
    pub fn new_array_int(&mut self, length: i32) -> Result<u32, RuntimeError> {
        self.new_array_object("I", length)
    }
}

impl Default for Interpreter {
    fn default() -> Self {
        Self::new()
    }
}

#[cfg(test)]
mod test_invokedynamic;
#[cfg(test)]
mod tests;