forked from n3tael/labast
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317fa500b8
@ -11,4 +11,9 @@ publish = false
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[profile.dev]
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overflow-checks = false
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[profile.release]
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strip = true
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lto = true
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panic = "abort"
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[dependencies]
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@ -2,4 +2,4 @@
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A zero-dependencies Labaski interpreter written in Rust. Fully supports [Labashki specs 1.4.1](./SPECIFICATION.md).
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## Examples
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See `example-scripts` directory.
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See `scripts` directory.
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@ -1,5 +1,9 @@
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@echo off
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echo Building for Windows...
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cargo build --release
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echo Building for Linux...
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cargo zigbuild --release --target x86_64-unknown-linux-gnu
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echo Copy to bin...
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copy target\release\labast.exe bin\ /Y
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copy target\x86_64-unknown-linux-gnu\release\labast bin\ /Y
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echo Done!
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4
scripts/std/rev.lb
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4
scripts/std/rev.lb
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@ -0,0 +1,4 @@
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; Labashki standard library
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; Written by Labashki developer - aeris
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ARGS 0
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4
scripts/std/rot.lb
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4
scripts/std/rot.lb
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@ -0,0 +1,4 @@
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; Labashki standard library
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; Written by Labashki developer - aeris
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ARGS 3
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17
scripts/std/unix/ВАРЁНЫЙНОСОК.lb
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17
scripts/std/unix/ВАРЁНЫЙНОСОК.lb
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@ -0,0 +1,17 @@
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; Labashki standard library
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; Written by Labashki developer - aeris
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MAXSIZE
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ARGS 1 ; Насколько сварить носок
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SUB
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@ 1
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JNZ 2
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QUIT
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@ 2
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#EXPR -
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PUSH -1
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_UNIX_RANDOM
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SWAP
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JMP 1
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2
scripts/vareniynosok.lb
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2
scripts/vareniynosok.lb
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@ -0,0 +1,2 @@
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SIZE
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#EXEC std\unix\ВАРЁНЫЙНОСОК.lb
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@ -49,6 +49,7 @@ pub fn execute(stack: &mut Stack, mut origin_stack: Option<&mut Stack>, mod_name
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"MEOW" => instructions::meow::meow(&mut stack.memory),
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"DUMP" => instructions::dump::dump(&mut stack.memory),
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"SIZE" => instructions::size::size(&mut stack.memory),
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"MAXSIZE" => instructions::maxsize::maxsize(&mut stack.memory),
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"#EXPR" => instructions::expr::expr(&mut stack.memory, &instruction.arg),
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@ -72,6 +73,9 @@ pub fn execute(stack: &mut Stack, mut origin_stack: Option<&mut Stack>, mod_name
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"ARGS" => instructions::args::args(&mut stack.memory, &mut origin_stack, &instruction.data),
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"#EXEC" => instructions::exec::exec(stack, &instruction.arg.clone(), &mod_name),
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#[cfg(target_family = "unix")]
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"_UNIX_RANDOM" => instructions::_unix_random::_unix_random(&mut stack.memory),
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// ?
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"NOP" => continue,
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"EXIT" => instructions::exit::exit(&instruction.data),
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14
src/instructions/_unix_random.rs
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14
src/instructions/_unix_random.rs
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@ -0,0 +1,14 @@
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use std::fs::File;
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use std::io::Read;
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use crate::RunError;
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#[cfg(target_family = "unix")]
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pub fn _unix_random(memory: &mut Vec<u16>) {
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let mut rng = File::open("/dev/urandom").unwrap();
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let mut buffer = [0u8; 1];
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rng.read_exact(&mut buffer).unwrap();
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let data = &memory.pop().expect(&format!("{}", RunError::MemoryEmpty));
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memory.push((buffer[0] as u16) % (*data - 1));
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}
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@ -1,7 +1,7 @@
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use crate::{errors::RunError, stack::Stack};
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pub fn args(memory: &mut Vec<u16>, origin_stack: &mut Option<&mut Stack>, data: &u16) {
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let origin_memory = &mut origin_stack.as_mut().expect("msg").memory;
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let origin_memory = &mut origin_stack.as_mut().expect(&format!("{}", RunError::RequestArgsInMainModule)).memory;
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if *origin_memory == *memory {
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eprintln!("{}", RunError::RequestArgsInMainModule);
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pub fn dump(memory: &mut Vec<u16>) {
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if memory.is_empty() {
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println!("Stack is empty.");
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return;
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}
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for (i, entry) in memory.iter().enumerate() {
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println!("{0}: {1}", i, entry);
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}
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@ -6,7 +6,7 @@ pub fn jnz(memory: &mut Vec<u16>, labels: &mut [Option<i16>; 256], program_count
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std::process::exit(2);
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}
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if memory.pop() != Some(0) {
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if memory.last() != Some(&0) {
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*program_counter = (labels[*data as usize].unwrap() - 1) as u16;
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}
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}
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@ -6,7 +6,7 @@ pub fn jz(memory: &mut Vec<u16>, labels: &mut [Option<i16>; 256], program_counte
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std::process::exit(2);
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}
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if memory.pop() == Some(0) {
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if memory.last() == Some(&0) {
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*program_counter = (labels[*data as usize].unwrap() - 1) as u16;
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}
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}
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3
src/instructions/maxsize.rs
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3
src/instructions/maxsize.rs
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@ -0,0 +1,3 @@
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pub fn maxsize(memory: &mut Vec<u16>) {
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memory.push(65535);
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}
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@ -20,3 +20,6 @@ pub mod args;
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pub mod expr;
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pub mod size;
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pub mod exit;
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pub mod maxsize;
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#[cfg(target_family = "unix")]
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pub mod _unix_random;
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@ -24,7 +24,13 @@ pub fn parse(stack: &mut Stack, file_content: &str) {
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if command.len() >= 2 {
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match name.chars().nth(0) {
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Some('#') => arg = command[1].to_string(),
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_ => data = command[1].parse().expect(&format!("{}", ParseError::DataNotAUInt(command[0].to_string(), i + 1))),
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_ => {
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if command[1] == "-1" { // required for _UNIX_RANDOM instruction
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data = 65535;
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} else {
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data = command[1].parse().expect(&format!("{}", ParseError::DataNotAUInt(command[0].to_string(), i + 1)))
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}
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}
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}
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}
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