vax_disassembler/
error.rs

1//! # Disassembly Errors
2
3use thiserror::Error;
4use crate::{
5    opcode::{AccessType, DataType},
6    operand::Operand,
7};
8
9/// # VAX assembler/disassembler errors
10///
11/// # Examples
12///
13/// ```rust
14/// use std::io::Cursor;
15/// use vax_disassembler::{ReadMacro32, error::Error};
16///
17/// let invalid_opcode = Cursor::new([0x57]).disassemble();
18/// assert!(invalid_opcode.is_err());
19/// if let Err(Error::InvalidOpcode(0x57)) = invalid_opcode {} else { panic!(); }
20/// ```
21#[derive(Debug, Error)]
22pub enum Error {
23    /// # Invalid Opcode
24    ///
25    /// In the documention, all undefined opcodes are marked as "Reserved to DIGITAL", so this
26    /// error is like a reserved operand error.
27    #[error("Invalid opcode: {0:#X}")]
28    InvalidOpcode(u16),
29
30    /// # Invalid Opcode String
31    ///
32    /// In the documention, all undefined opcodes are marked as "Reserved to DIGITAL", so this
33    /// error is like a reserved operand error.
34    #[error("Invalid opcode: {0}")]
35    InvalidOpcodeString(String),
36
37    /// # Invalid Indexed Operand
38    ///
39    /// 
40    #[error("Invalid indexed operand: {0:?}")]
41    InvalidIndexedOperand(Operand),
42
43    /// # Invalid Access Type and Data Type Combination
44    #[error("Invalid access type and data size: access = {0:?}, size = {0:?}")]
45    InvalidAccessSize(AccessType, DataType),
46
47    /// # Unimplemented Feature
48    ///
49    /// This is an unimplemented feature. This error should go away once development is complete.
50    #[error("Unimpleneted feature: {0}")]
51    Unimplemented(&'static str),
52
53    /// # Passtrhough I/O Error
54    #[error("I/O error: {0}")]
55    IoError(#[from] std::io::Error),
56}
57
58/// Error handling with the `Result` type for the [`enum@Error`] type.
59pub type Result<T> = std::result::Result<T, Error>;
vax_disassembler/error.rs

vax_disassembler/
error.rs
