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https://github.com/bspeice/qadapt
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Merge pull request #9 from bspeice/deprecation
Mark everything deprecated
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commit
963d634923
@ -1,4 +1,10 @@
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# Version 1.1.0
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# Version 1.0.3
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- Mark the crate deprecated; [alloc-counter](https://crates.io/crates/alloc_counter)
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does a better job at solving the problems QADAPT was driven for, and I'll be putting
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my effort towards improving it instead.
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# Version 1.0.2
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- Don't panic if calling guarded code and QADAPT isn't the allocator;
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Instead, let code determine at runtime whether or not QADAPT is enabled
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34
README.md
34
README.md
@ -9,6 +9,8 @@
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---
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## `debug_assert!` for your memory usage
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**Please note**: This crate has been deprecated in favor of [alloc-counter](https://crates.io/crates/alloc_counter).
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This allocator is a helper for writing high-performance code that is memory-sensitive;
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a thread panic will be triggered if a function annotated with `#[no_alloc]`,
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or code inside an `assert_no_alloc!` macro interacts with the allocator in any way.
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@ -26,18 +28,31 @@ circumstance causing your application to crash.
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Actually making use of QADAPT is straight-forward. To set up the allocator,
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place the following snippet in either your program binaries (main.rs) or tests:
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```rust,ignore
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```rust
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use qadapt::QADAPT;
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#[global_allocator]
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static Q: QADAPT = QADAPT;
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fn main() {
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# // Because `debug_assertions` are on for doctests in release mode
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# // we have to add an extra guard.
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# if qadapt::is_active() {
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assert!(qadapt::is_active());
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# }
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}
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```
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After that, there are two ways of telling QADAPT that it should trigger a panic:
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1. Annotate functions with the `#[no_alloc]` proc macro:
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```rust,no_run
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```rust
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use qadapt::no_alloc;
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use qadapt::QADAPT;
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use std::panic::catch_unwind;
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#[global_allocator]
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static Q: QADAPT = QADAPT;
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// This function is fine, there are no allocations here
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#[no_alloc]
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@ -53,15 +68,23 @@ fn does_panic() -> Box<u32> {
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fn main() {
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do_math();
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does_panic();
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let err = catch_unwind(|| does_panic());
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# if qadapt::is_active() {
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assert!(err.is_err());
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# }
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}
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```
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2. Evaluate expressions with the `assert_no_alloc!` macro
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```rust,no_run
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```rust
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use qadapt::assert_no_alloc;
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use qadapt::QADAPT;
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fn do_work() {
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#[global_allocator]
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static Q: QADAPT = QADAPT;
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fn main() {
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// This code is allowed to trigger an allocation
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let b = Box::new(8);
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@ -69,3 +92,4 @@ fn do_work() {
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let x = assert_no_alloc!(*b + 2);
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assert_eq!(x, 10);
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}
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```
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@ -1,6 +1,6 @@
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[package]
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name = "qadapt-macro"
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version = "1.0.2"
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version = "1.0.3"
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authors = ["Bradlee Speice <bradlee@speice.io>"]
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description = "The Quick And Dirty Allocation Profiling Tool - Support Macros"
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license = "Apache-2.0"
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@ -16,7 +16,7 @@ repository = "https://github.com/bspeice/qadapt.git"
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edition = "2018"
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[badges]
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maintenance = { status = "actively-developed" }
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maintenance = { status = "deprecated" }
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[lib]
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proc-macro = true
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@ -5,5 +5,7 @@
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Helper macro for the QADAPT allocator.
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**Please note**: This crate has been deprecated in favor of [alloc-counter](https://crates.io/crates/alloc_counter)
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This crate is intended for managing the QADAPT allocator,
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and is unusable on its own.
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@ -1,5 +1,7 @@
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//! Helper macros to use with the QADAPT allocator system
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//!
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//! **Please note**: This crate has been deprecated in favor of [alloc-counter](https://crates.io/crates/alloc_counter)
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//!
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//! This crate is intended for managing the QADAPT allocator,
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//! and is unusable on its own.
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//!
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@ -155,6 +157,10 @@ fn escape_return(ts: TokenStream) -> TokenStream {
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/// separate thread, or defers allocations via closure/Future, those results
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/// will not trigger an error.
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#[proc_macro_attribute]
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#[deprecated(
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since = "1.0.3",
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note = "Please use the `alloc_counter` crate instead."
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)]
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pub fn no_alloc(_attr: TokenStream, item: TokenStream) -> TokenStream {
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let mut protected_fn: Vec<TokenTree> = Vec::new();
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let mut item_iter = item.into_iter();
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26
src/lib.rs
26
src/lib.rs
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//! ## `debug_assert!` for your memory usage
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//!
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//! **Please note**: This crate has been deprecated in favor of [alloc-counter](https://crates.io/crates/alloc_counter).
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//!
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//! This allocator is a helper for writing high-performance code that is memory-sensitive;
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//! a thread panic will be triggered if a function annotated with `#[no_alloc]`,
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//! or code inside an `assert_no_alloc!` macro interacts with the allocator in any way.
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@ -120,6 +122,10 @@ static INTERNAL_ALLOCATION: RwLock<usize> = RwLock::new(usize::max_value());
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/// # }
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/// }
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/// ```
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#[deprecated(
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since = "1.0.3",
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note = "Please use the `alloc_counter` crate instead."
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)]
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pub struct QADAPT;
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static SYSTEM_ALLOC: System = System;
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@ -150,6 +156,10 @@ static SYSTEM_ALLOC: System = System;
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/// // It's now safe to allocate/drop again
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/// let z = Box::new(y);
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/// }
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#[deprecated(
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since = "1.0.3",
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note = "Please use the `alloc_counter` crate instead."
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)]
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pub fn enter_protected() {
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#[cfg(debug_assertions)]
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{
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@ -191,6 +201,10 @@ pub fn enter_protected() {
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/// // It's now safe to allocate/drop again
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/// let z = Box::new(y);
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/// }
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#[deprecated(
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since = "1.0.3",
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note = "Please use the `alloc_counter` crate instead."
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)]
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pub fn exit_protected() {
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#[cfg(debug_assertions)]
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{
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@ -259,6 +273,10 @@ pub fn exit_protected() {
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/// # }
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/// }
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#[macro_export]
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#[deprecated(
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since = "1.0.3",
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note = "Please use the `alloc_counter` crate instead."
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)]
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macro_rules! assert_no_alloc {
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($e:expr) => {{
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::qadapt::enter_protected();
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@ -298,6 +316,10 @@ macro_rules! assert_no_alloc {
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///
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/// // It's now safe to allocate/drop
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/// }
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#[deprecated(
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since = "1.0.3",
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note = "Please use the `alloc_counter` crate instead."
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)]
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pub fn protection_level() -> usize {
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PROTECTION_LEVEL.try_with(|v| *v.read()).unwrap_or(0)
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}
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@ -324,6 +346,10 @@ pub fn protection_level() -> usize {
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/// # }
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/// }
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/// ```
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#[deprecated(
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since = "1.0.3",
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note = "Please use the `alloc_counter` crate instead."
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)]
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pub fn is_active() -> bool {
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if cfg!(debug_assertions) {
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// Because there are heap allocations that happen before `fn main()`,
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