Merge branch 'master' of https://git.ablecorp.us/AbleOS/ableos
This commit is contained in:
commit
5028062e39
15
Cargo.lock
generated
15
Cargo.lock
generated
|
@ -213,12 +213,12 @@ dependencies = [
|
|||
[[package]]
|
||||
name = "hbbytecode"
|
||||
version = "0.1.0"
|
||||
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#9dfb2eb606e9049bc5d372e674a75e0be2c57ff0"
|
||||
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0"
|
||||
|
||||
[[package]]
|
||||
name = "hblang"
|
||||
version = "0.1.0"
|
||||
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#9dfb2eb606e9049bc5d372e674a75e0be2c57ff0"
|
||||
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0"
|
||||
dependencies = [
|
||||
"hashbrown",
|
||||
"hbbytecode",
|
||||
|
@ -229,7 +229,7 @@ dependencies = [
|
|||
[[package]]
|
||||
name = "hbvm"
|
||||
version = "0.1.0"
|
||||
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#9dfb2eb606e9049bc5d372e674a75e0be2c57ff0"
|
||||
source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#86ca959ea3eae1cb32298e135a444820583d24a0"
|
||||
dependencies = [
|
||||
"hbbytecode",
|
||||
]
|
||||
|
@ -392,6 +392,7 @@ dependencies = [
|
|||
"derive_more",
|
||||
"hashbrown",
|
||||
"hbvm",
|
||||
"ktest_macro",
|
||||
"limine",
|
||||
"log",
|
||||
"sbi",
|
||||
|
@ -404,6 +405,14 @@ dependencies = [
|
|||
"xml",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ktest_macro"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "lazy_static"
|
||||
version = "1.5.0"
|
||||
|
|
96
flake.lock
Normal file
96
flake.lock
Normal file
|
@ -0,0 +1,96 @@
|
|||
{
|
||||
"nodes": {
|
||||
"flake-utils": {
|
||||
"inputs": {
|
||||
"systems": "systems"
|
||||
},
|
||||
"locked": {
|
||||
"lastModified": 1731533236,
|
||||
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
|
||||
"owner": "numtide",
|
||||
"repo": "flake-utils",
|
||||
"rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "numtide",
|
||||
"repo": "flake-utils",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"nixpkgs": {
|
||||
"locked": {
|
||||
"lastModified": 1732014248,
|
||||
"narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
|
||||
"owner": "NixOS",
|
||||
"repo": "nixpkgs",
|
||||
"rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "NixOS",
|
||||
"ref": "nixos-unstable",
|
||||
"repo": "nixpkgs",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"nixpkgs_2": {
|
||||
"locked": {
|
||||
"lastModified": 1728538411,
|
||||
"narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
|
||||
"owner": "NixOS",
|
||||
"repo": "nixpkgs",
|
||||
"rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "NixOS",
|
||||
"ref": "nixpkgs-unstable",
|
||||
"repo": "nixpkgs",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"root": {
|
||||
"inputs": {
|
||||
"flake-utils": "flake-utils",
|
||||
"nixpkgs": "nixpkgs",
|
||||
"rust-overlay": "rust-overlay"
|
||||
}
|
||||
},
|
||||
"rust-overlay": {
|
||||
"inputs": {
|
||||
"nixpkgs": "nixpkgs_2"
|
||||
},
|
||||
"locked": {
|
||||
"lastModified": 1732328983,
|
||||
"narHash": "sha256-RHt12f/slrzDpSL7SSkydh8wUE4Nr4r23HlpWywed9E=",
|
||||
"owner": "oxalica",
|
||||
"repo": "rust-overlay",
|
||||
"rev": "ed8aa5b64f7d36d9338eb1d0a3bb60cf52069a72",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "oxalica",
|
||||
"repo": "rust-overlay",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"systems": {
|
||||
"locked": {
|
||||
"lastModified": 1681028828,
|
||||
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
|
||||
"owner": "nix-systems",
|
||||
"repo": "default",
|
||||
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "nix-systems",
|
||||
"repo": "default",
|
||||
"type": "github"
|
||||
}
|
||||
}
|
||||
},
|
||||
"root": "root",
|
||||
"version": 7
|
||||
}
|
30
flake.nix
Normal file
30
flake.nix
Normal file
|
@ -0,0 +1,30 @@
|
|||
{
|
||||
description = "A devShell example";
|
||||
|
||||
inputs = {
|
||||
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
|
||||
rust-overlay.url = "github:oxalica/rust-overlay";
|
||||
flake-utils.url = "github:numtide/flake-utils";
|
||||
};
|
||||
|
||||
outputs = { self, nixpkgs, rust-overlay, flake-utils }:
|
||||
flake-utils.lib.eachDefaultSystem (system:
|
||||
let
|
||||
overlays = [ (import rust-overlay) ];
|
||||
pkgs = import nixpkgs {
|
||||
inherit system overlays;
|
||||
};
|
||||
|
||||
rustToolchain = pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
|
||||
in
|
||||
with pkgs;
|
||||
{
|
||||
devShells.default = mkShell {
|
||||
buildInputs = [
|
||||
rustToolchain
|
||||
qemu_full
|
||||
];
|
||||
};
|
||||
}
|
||||
);
|
||||
}
|
|
@ -3,12 +3,15 @@ edition = "2021"
|
|||
name = "kernel"
|
||||
version = "0.2.0"
|
||||
|
||||
[features]
|
||||
ktest = []
|
||||
|
||||
[dependencies]
|
||||
# embedded-graphics = "0.8"
|
||||
hbvm = { git = "https://git.ablecorp.us/AbleOS/holey-bytes.git", features = [
|
||||
"nightly",
|
||||
] }
|
||||
ktest_macro = { path = "ktest_macro" }
|
||||
log = "0.4"
|
||||
spin = "0.9"
|
||||
slab = { version = "0.4", default-features = false }
|
||||
|
|
11
kernel/ktest_macro/Cargo.toml
Normal file
11
kernel/ktest_macro/Cargo.toml
Normal file
|
@ -0,0 +1,11 @@
|
|||
[package]
|
||||
edition = "2021"
|
||||
name = "ktest_macro"
|
||||
version = "0.1.0"
|
||||
|
||||
[lib]
|
||||
proc-macro = true
|
||||
|
||||
[dependencies]
|
||||
quote = "1.0.37"
|
||||
syn = { version = "2.0.89", features = ["full"] }
|
29
kernel/ktest_macro/src/lib.rs
Normal file
29
kernel/ktest_macro/src/lib.rs
Normal file
|
@ -0,0 +1,29 @@
|
|||
extern crate proc_macro;
|
||||
extern crate quote;
|
||||
extern crate syn;
|
||||
use {
|
||||
proc_macro::TokenStream,
|
||||
quote::quote,
|
||||
syn::{parse_macro_input, ItemFn}
|
||||
};
|
||||
|
||||
#[proc_macro_attribute]
|
||||
pub fn ktest(_attr: TokenStream, item: TokenStream) -> TokenStream {
|
||||
let input = parse_macro_input!(item as ItemFn);
|
||||
let test_name = &input.sig.ident;
|
||||
let static_var_name = syn::Ident::new(
|
||||
&format!("__ktest_{}", test_name),
|
||||
test_name.span(),
|
||||
);
|
||||
let out = quote! {
|
||||
// #[cfg(feature = "ktest")]
|
||||
#input
|
||||
|
||||
// #[cfg(feature = "ktest")]
|
||||
#[unsafe(link_section = ".note.ktest")]
|
||||
#[used]
|
||||
pub static #static_var_name: fn() = #test_name;
|
||||
};
|
||||
|
||||
TokenStream::from(out)
|
||||
}
|
|
@ -40,6 +40,13 @@ SECTIONS
|
|||
*(.data .data.*)
|
||||
*(.got .got.*)
|
||||
} :data
|
||||
|
||||
/* Add the .ktest section for test functions */
|
||||
.note.ktest : {
|
||||
__ktest_start = .; /* Mark the beginning of the section */
|
||||
*(.note.ktest) /* Include all items in the .ktest section */
|
||||
__ktest_end = .; /* Mark the end of the section */
|
||||
}
|
||||
|
||||
.bss : {
|
||||
*(COMMON)
|
||||
|
|
|
@ -22,6 +22,14 @@ use {
|
|||
pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
|
||||
debug!("Entered kmain");
|
||||
|
||||
#[cfg(feature = "ktest")] {
|
||||
use crate::ktest;
|
||||
debug!("TESTING");
|
||||
ktest::test_main();
|
||||
|
||||
loop {};
|
||||
}
|
||||
|
||||
// let kcmd = build_cmd("Kernel Command Line", cmdline);
|
||||
// trace!("Cmdline: {kcmd:?}");
|
||||
|
||||
|
@ -148,10 +156,3 @@ pub static IPC_BUFFERS: Lazy<Mutex<IpcBuffers>> = Lazy::new(|| {
|
|||
|
||||
Mutex::new(bufs)
|
||||
});
|
||||
|
||||
#[test_case]
|
||||
fn trivial_assertion() {
|
||||
trace!("trivial assertion... ");
|
||||
assert_eq!(1, 1);
|
||||
info!("[ok]");
|
||||
}
|
||||
|
|
38
kernel/src/ktest.rs
Normal file
38
kernel/src/ktest.rs
Normal file
|
@ -0,0 +1,38 @@
|
|||
pub use ktest_macro::ktest;
|
||||
use log::debug;
|
||||
|
||||
extern "C" {
|
||||
static __ktest_start: fn();
|
||||
static __ktest_end: fn();
|
||||
}
|
||||
|
||||
// TODO: Get test_fn linker name (may require no_mangle in macro)
|
||||
// More info on tests (run the rest even if panic)
|
||||
// Implement ktest for arm and riscv (Later problems, see below)
|
||||
// Allow for arch specific tests (Leave for now)
|
||||
// Allow for ktest test name attr
|
||||
// Usefull message at the end of testing
|
||||
pub fn test_main() {
|
||||
unsafe {
|
||||
let mut current_test = &__ktest_start as *const fn();
|
||||
let mut current = 1;
|
||||
let test_end = &__ktest_end as *const fn();
|
||||
|
||||
while current_test < test_end {
|
||||
let test_fn = *current_test;
|
||||
|
||||
debug!("Running test {}", current);
|
||||
|
||||
test_fn();
|
||||
debug!("Test {} passed", current);
|
||||
|
||||
current_test = current_test.add(1);
|
||||
current += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[ktest]
|
||||
pub fn trivial_assertion() {
|
||||
assert_eq!(1, 1);
|
||||
}
|
|
@ -2,6 +2,7 @@
|
|||
//! Named akern.
|
||||
//! Akern is woefully undersupported at the moment but we are looking to add support improve hardware discovery and make our lives as kernel and operating system developers easier and better
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
#![feature(
|
||||
slice_split_once,
|
||||
exclusive_wrapper,
|
||||
|
@ -10,11 +11,9 @@
|
|||
lazy_get,
|
||||
alloc_error_handler,
|
||||
ptr_sub_ptr,
|
||||
custom_test_frameworks,
|
||||
naked_functions,
|
||||
pointer_is_aligned_to
|
||||
pointer_is_aligned_to,
|
||||
)]
|
||||
#![test_runner(crate::test_runner)]
|
||||
#![allow(dead_code, internal_features, static_mut_refs)]
|
||||
extern crate alloc;
|
||||
|
||||
|
@ -33,6 +32,10 @@ mod memory;
|
|||
mod task;
|
||||
mod utils;
|
||||
|
||||
// #[cfg(feature = "tests")]
|
||||
mod ktest;
|
||||
|
||||
use alloc::string::ToString;
|
||||
use versioning::Version;
|
||||
|
||||
/// Kernel's version
|
||||
|
@ -56,15 +59,7 @@ fn panic(info: &core::panic::PanicInfo) -> ! {
|
|||
));
|
||||
}
|
||||
|
||||
let msg = info.message();
|
||||
let msg = info.message().to_string().replace("\n", "\r\n");
|
||||
let _ = crate::arch::log(format_args!("{msg}\r\n"));
|
||||
loop {}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
fn test_runner(tests: &[&dyn Fn()]) {
|
||||
println!("Running {} tests", tests.len());
|
||||
for test in tests {
|
||||
test();
|
||||
}
|
||||
}
|
||||
|
|
|
@ -27,6 +27,7 @@ fn main() -> Result<(), Error> {
|
|||
let mut release = false;
|
||||
let mut debuginfo = false;
|
||||
let mut target = Target::X86_64;
|
||||
let mut tests = false;
|
||||
for arg in args {
|
||||
if arg == "-r" || arg == "--release" {
|
||||
release = true;
|
||||
|
@ -38,17 +39,42 @@ fn main() -> Result<(), Error> {
|
|||
target = Target::Aarch64;
|
||||
} else if arg == "avx2" {
|
||||
target = Target::X86_64Avx2;
|
||||
} else if arg == "--ktest" {
|
||||
tests = true;
|
||||
} else {
|
||||
return Err(report!(Error::InvalidSubCom));
|
||||
}
|
||||
}
|
||||
|
||||
build(release, target, debuginfo).change_context(Error::Build)
|
||||
build(release, target, debuginfo, tests).change_context(Error::Build)
|
||||
}
|
||||
// Some("test" | "t") => {
|
||||
// let mut release = false;
|
||||
// let mut debuginfo = false;
|
||||
// let mut target = Target::X86_64;
|
||||
// for arg in args {
|
||||
// if arg == "-r" || arg == "--release" {
|
||||
// release = true;
|
||||
// } else if arg == "-d" || arg == "--debuginfo" {
|
||||
// debuginfo = true;
|
||||
// } else if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
|
||||
// target = Target::Riscv64Virt;
|
||||
// } else if arg == "arm64" || arg == "aarch64" || arg == "aarch64-virt" {
|
||||
// target = Target::Aarch64;
|
||||
// } else if arg == "avx2" {
|
||||
// target = Target::X86_64Avx2;
|
||||
// } else {
|
||||
// return Err(report!(Error::InvalidSubCom));
|
||||
// }
|
||||
// }
|
||||
|
||||
// test(release, target, debuginfo).change_context(Error::Build)
|
||||
// }
|
||||
Some("run" | "r") => {
|
||||
let mut release = false;
|
||||
let mut debuginfo = false;
|
||||
let mut target = Target::X86_64;
|
||||
let mut tests = false;
|
||||
let mut do_accel = true;
|
||||
for arg in args {
|
||||
if arg == "-r" || arg == "--release" {
|
||||
|
@ -63,12 +89,14 @@ fn main() -> Result<(), Error> {
|
|||
do_accel = false;
|
||||
} else if arg == "avx2" {
|
||||
target = Target::X86_64Avx2;
|
||||
} else if arg == "--ktest" {
|
||||
tests = true;
|
||||
} else {
|
||||
return Err(report!(Error::InvalidSubCom));
|
||||
}
|
||||
}
|
||||
|
||||
build(release, target, debuginfo)?;
|
||||
build(release, target, debuginfo, tests)?;
|
||||
run(release, target, do_accel)
|
||||
}
|
||||
Some("help" | "h") => {
|
||||
|
@ -82,6 +110,7 @@ fn main() -> Result<(), Error> {
|
|||
" -r / --release: build in release mode\n",
|
||||
" -d / --debuginfo: build with debug info\n",
|
||||
" --noaccel: run without acceleration (e.g, no kvm)\n",
|
||||
" --ktest: Enables tests via ktest\n",
|
||||
"[ rv64 / riscv64 / riscv64-virt / aarch64 / arm64 / aarch64-virt / avx2 ]: sets target"
|
||||
),);
|
||||
Ok(())
|
||||
|
@ -310,7 +339,7 @@ fn copy_file_to_img(fpath: &str, fs: &FileSystem<File>) {
|
|||
.expect("Copy failed");
|
||||
}
|
||||
|
||||
fn build(release: bool, target: Target, debuginfo: bool) -> Result<(), Error> {
|
||||
fn build(release: bool, target: Target, debuginfo: bool, tests: bool) -> Result<(), Error> {
|
||||
let fs = get_fs().change_context(Error::Io)?;
|
||||
let mut com = Command::new("cargo");
|
||||
com.current_dir("kernel");
|
||||
|
@ -322,6 +351,10 @@ fn build(release: bool, target: Target, debuginfo: bool) -> Result<(), Error> {
|
|||
com.env("RUSTFLAGS", "-Cdebug-assertions=true");
|
||||
}
|
||||
|
||||
if tests {
|
||||
com.args(["--features", "ktest"]);
|
||||
}
|
||||
|
||||
if target == Target::Riscv64Virt {
|
||||
com.args(["--target", "targets/riscv64-virt-ableos.json"]);
|
||||
}
|
||||
|
@ -473,6 +506,7 @@ fn run(release: bool, target: Target, do_accel: bool) -> Result<(), Error> {
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
fn fetch_ovmf(target: Target) -> Result<String, OvmfFetchError> {
|
||||
let (ovmf_url, ovmf_path) = match target {
|
||||
Target::X86_64 | Target::X86_64Avx2 => (
|
||||
|
|
|
@ -10,6 +10,16 @@ $max := fn($Expr: type, a: Expr, b: Expr): Expr {
|
|||
$sign := fn($Expr: type, x: Expr): i8 {
|
||||
return @bitcast(x > 0) - @bitcast(x < 0)
|
||||
}
|
||||
$log := fn($Expr: type, base: uint, x: Expr): uint {
|
||||
// if x <= 0 {}
|
||||
// if base <= 1 {}
|
||||
result := 0
|
||||
loop if x < base break else {
|
||||
x /= base
|
||||
result += 1
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
Vec2 := fn($Expr: type): type {
|
||||
return struct {x: Expr, y: Expr}
|
||||
|
|
|
@ -1,7 +1,15 @@
|
|||
any := fn($Expr: type): Expr {
|
||||
$any := fn($Expr: type): Expr {
|
||||
return *@eca(3, 4, &@as(Expr, idk), @sizeof(Expr))
|
||||
}
|
||||
|
||||
range := fn($Expr: type, min: Expr, max: Expr): Expr {
|
||||
$range := fn($Expr: type, min: Expr, max: Expr): Expr {
|
||||
return *@eca(3, 4, &@as(Expr, idk), @sizeof(Expr)) % (max - min) + *@bitcast(&1) + min
|
||||
}
|
||||
|
||||
$fill := fn($Expr: type, ptr: ^Expr): void {
|
||||
return @eca(3, 4, ptr, @sizeof(Expr))
|
||||
}
|
||||
|
||||
$fill_buffer := fn(buf: ^u8, len: uint): void {
|
||||
return @eca(3, 4, buf, len)
|
||||
}
|
|
@ -60,4 +60,157 @@ equals := fn(lhs: ^u8, rhs: ^u8): bool {
|
|||
lhs += 1
|
||||
rhs += 1
|
||||
}
|
||||
}
|
||||
|
||||
clear := fn(ptr: ^u8): void {
|
||||
loop if *ptr == 0 break else {
|
||||
*ptr = 0
|
||||
ptr += 1
|
||||
}
|
||||
}
|
||||
|
||||
split_once := fn(haystack: ^u8, needle: u8): ?^u8 {
|
||||
loop if *haystack == needle return haystack else if *haystack == 0 return null else haystack += 1
|
||||
}
|
||||
|
||||
split_once_str := fn(haystack: ^u8, needle: ^u8): ?^u8 {
|
||||
if *needle == 0 return null
|
||||
|
||||
loop if *haystack == 0 return null else {
|
||||
if *haystack == *needle {
|
||||
h := haystack
|
||||
n := needle
|
||||
|
||||
loop {
|
||||
n += 1
|
||||
h += 1
|
||||
if *n == 0 {
|
||||
return haystack
|
||||
} else if *h == 0 | *h != *n {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
haystack += 1
|
||||
}
|
||||
}
|
||||
|
||||
Split := struct {
|
||||
str: ^u8,
|
||||
needle: u8,
|
||||
done: bool,
|
||||
}
|
||||
|
||||
split := fn(iter: ^u8, needle: u8): Split {
|
||||
return .(
|
||||
iter,
|
||||
needle,
|
||||
false,
|
||||
)
|
||||
}
|
||||
|
||||
iter_split := fn(iter: ^Split): ?^u8 {
|
||||
if iter.done | *iter.str == 0 {
|
||||
return null
|
||||
}
|
||||
|
||||
next := split_once(iter.str + 1, iter.needle)
|
||||
|
||||
if next == null {
|
||||
iter.done = true
|
||||
return iter.str
|
||||
}
|
||||
s := iter.str
|
||||
iter.str = next + 1
|
||||
|
||||
return s
|
||||
}
|
||||
|
||||
SplitStr := struct {
|
||||
str: ^u8,
|
||||
needle: ^u8,
|
||||
done: bool,
|
||||
}
|
||||
|
||||
split_str := fn(iter: ^u8, needle: ^u8): SplitStr {
|
||||
return .(
|
||||
iter,
|
||||
needle,
|
||||
false,
|
||||
)
|
||||
}
|
||||
|
||||
iter_split_str := fn(iter: ^SplitStr): ?^u8 {
|
||||
if iter.done | *iter.str == 0 {
|
||||
return null
|
||||
}
|
||||
|
||||
next := split_once_str(iter.str, iter.needle)
|
||||
|
||||
if next == null {
|
||||
iter.done = true
|
||||
return iter.str
|
||||
}
|
||||
|
||||
s := iter.str
|
||||
|
||||
iter.str = next + length(iter.needle)
|
||||
|
||||
return s
|
||||
}
|
||||
|
||||
find_once := fn(haystack: ^u8, needle: u8): ?uint {
|
||||
return @bitcast(@inline(split_once, haystack, needle) - haystack)
|
||||
}
|
||||
|
||||
find_once_str := fn(haystack: ^u8, needle: ^u8): ?uint {
|
||||
return @bitcast(@inline(split_once_str, haystack, needle) - haystack)
|
||||
}
|
||||
|
||||
count := fn(haystack: ^u8, needle: ^u8): uint {
|
||||
c := 0
|
||||
loop if *haystack == needle {
|
||||
c += 1
|
||||
haystack += 1
|
||||
} else if *haystack == 0 return c else haystack += 1
|
||||
}
|
||||
|
||||
count_str := fn(haystack: ^u8, needle: ^u8): uint {
|
||||
if *needle == 0 return 0
|
||||
c := 0
|
||||
loop if *haystack == 0 return c else {
|
||||
if *haystack == *needle {
|
||||
h := haystack
|
||||
n := needle
|
||||
|
||||
loop {
|
||||
n += 1
|
||||
h += 1
|
||||
if *n == 0 {
|
||||
c += 1
|
||||
break
|
||||
} else if *h == 0 | *h != *n {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
haystack += 1
|
||||
}
|
||||
}
|
||||
|
||||
left_trim := fn(str: ^u8, sub: ^u8): ^u8 {
|
||||
original := str
|
||||
if *str == *sub {
|
||||
loop if *sub == 0 {
|
||||
return str
|
||||
} else if *str != *sub {
|
||||
return original
|
||||
} else if *str == 0 {
|
||||
return original
|
||||
} else {
|
||||
str += 1
|
||||
sub += 1
|
||||
}
|
||||
}
|
||||
return str
|
||||
}
|
Loading…
Reference in a new issue