b22a714840
The JIT that runs makepad apps from source: lexer, front end, type checker, lazy borrow checker (Gandalf; `--check-first` opts in), codegen, session and warm/cold caches keyed by compiler stamp, provided crates bound late, startup images, live patching. User-facing name is `makepad run` (binary `makepad`, MAKEPAD_RUN_* env, ~/.makepad-run); libs/relax stays the internal library name. `makepad check` reports rustc-style diagnostics with rustc error codes and checks a whole workspace (`--workspace`). Runs on macOS, Linux, Windows and Android. makepad-remote: one tool schema for apps and the WM (app/1): grabs, captures, traces, frame profiles and tweaks. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
54 lines
2.1 KiB
Rust
54 lines
2.1 KiB
Rust
use std::relax::{Edit, Module, Stream};
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#[derive(Clone, Copy)]
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pub struct Cell { pub light: f32 }
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const SOURCE: &str = r#"
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use test_crate::Cell;
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struct Palette { red: f32, green: f32, blue: f32, generation: u32 }
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fn palette() -> Palette {
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Palette { red: 0.125, green: 0.25, blue: 0.5, generation: 1 }
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}
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pub fn version() -> u32 { palette().generation }
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pub fn color(c: &Cell) -> [f32; 4] {
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let p = palette();
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[p.red * c.light, p.green * c.light, p.blue * c.light, 1.0]
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}
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"#;
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fn check(color: fn(&Cell) -> [f32; 4], version: fn() -> u32, generation: u32) {
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assert_eq!(version(), generation);
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let expected = if generation == 1 { [0.25, 0.5, 1.0, 1.0] } else { [1.5, 1.0, 0.25, 1.0] };
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assert_eq!(color(&Cell { light: 2.0 }), expected);
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}
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fn warm(color: fn(&Cell) -> [f32; 4], version: fn() -> u32, generation: u32) {
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// The default O3 threshold is 2000 calls. Leave time for the background
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// compiler, and check again after it could have installed its result.
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for _ in 0..10000 { std::hint::black_box(color(&Cell { light: 2.0 })); }
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std::thread::sleep(std::time::Duration::from_millis(1000));
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check(color, version, generation);
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}
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#[test]
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fn palette_patch() {
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let new = SOURCE.replace("red: 0.125, green: 0.25, blue: 0.5, generation: 1",
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"red: 0.75, green: 0.5, blue: 0.125, generation: 2");
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let m = Module::load_source("palette_patch", "memory/palette.rs", SOURCE, &["test_crate"]).unwrap();
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let color = m.get::<fn(&Cell) -> [f32; 4]>("color").unwrap();
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let version = m.get::<fn() -> u32>("version").unwrap();
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warm(color, version, 1);
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assert_eq!(m.replace(&new).unwrap(), Edit::Patched);
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check(color, version, 2);
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warm(color, version, 2);
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assert_eq!(m.replace(SOURCE).unwrap(), Edit::Patched);
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check(color, version, 1);
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warm(color, version, 1);
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assert_eq!(m.stream(&new).unwrap(), Stream::Applied { kept: 0 });
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check(color, version, 2);
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assert_eq!(m.finish_stream(&new).unwrap(), Edit::Patched);
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check(color, version, 2);
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warm(color, version, 2);
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m.unload();
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println!("out palette replace and stream: true");
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}
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