diff options
Diffstat (limited to 'crates/sloth_bytecode/src')
| -rw-r--r-- | crates/sloth_bytecode/src/lib.rs | 50 |
1 files changed, 22 insertions, 28 deletions
diff --git a/crates/sloth_bytecode/src/lib.rs b/crates/sloth_bytecode/src/lib.rs index f0262f6..3593f3c 100644 --- a/crates/sloth_bytecode/src/lib.rs +++ b/crates/sloth_bytecode/src/lib.rs @@ -9,11 +9,6 @@ use sloth_bytecode_macros::instructions; -pub struct Chunk { - pub code: Vec<u8>, - pub constants: Vec<u64>, -} - pub enum Error { UnknownOpcode(u8), InvalidArguments, @@ -24,45 +19,44 @@ instructions! { Instructions; 0x00 Constant [u64] "Push a constant value onto the stack", + 0x01 Load [u64] "Load a value from a variable", + 0x02 Push [u64] "Push a value to a variable", - 0x01 Pop [] "Pop a value from the stack", - 0x02 Dup [] "Duplicate a value on the stack", + 0x10 Dup [] "Duplicate a value on the stack", + 0x11 Pop [] "Pop a value from the stack", - 0x10 Add [] "Add the last 2 values on the stack", - 0x11 Sub [] "Subtract the last 2 values on the stack", - 0x12 Mul [] "Multiply the last 2 values on the stack", - 0x13 Div [] "Divide the last 2 values on the stack", - 0x14 Mod [] "Modulo the last 2 values on the stack" + 0x20 Add [] "Add the last 2 values on the stack", + 0x21 Sub [] "Subtract the last 2 values on the stack", + 0x22 Mul [] "Multiply the last 2 values on the stack", + 0x23 Div [] "Divide the last 2 values on the stack", + 0x24 Mod [] "Modulo the last 2 values on the stack", + + 0xF0 Print [] "[DEBUG] Pop value from stack and print it" } #[cfg(test)] mod tests { - use crate::{Chunk, Instructions}; + use crate::Instructions; #[test] #[rustfmt::skip] fn decompile_basic_instructions() { - let code = vec![ + let code = [ // Load constant 0 0x00, 0, 0, 0, 0, 0, 0, 0, 0, // Pop, Dup, Add, Sub, Mul, Div, Mod - 0x01, 0x02, 0x10, 0x11, 0x12, 0x13, 0x14, + 0x10, 0x11, 0x20, 0x21, 0x22, 0x23, 0x24, ]; - let chunk = Chunk { - code, - constants: Vec::new(), - }; - let mut offset = 0; - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Constant(0)); - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Pop); - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Dup); - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Add); - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Sub); - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Mul); - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Div); - assert_eq!(Instructions::disassemble(&chunk, &mut offset), Instructions::Mod); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Constant(0)); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Dup); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Pop); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Add); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Sub); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Mul); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Div); + assert_eq!(Instructions::disassemble(&code, &mut offset), Instructions::Mod); } } |