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>
40 lines
1.4 KiB
Rust
40 lines
1.4 KiB
Rust
// Enum variants whose #[cfg] is false are stripped before anything sees them (rustc): their
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// types are never resolved, they take no layout space, derives skip them. And an operator with
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// several Rhs impls and an open literal operand selects the one impl the literal fits
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// (`v * 0.5` with Mul<V> and Mul<f32>: f32, never the f64 fallback). Lines "| " vs rustc.
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use std::ops::{Div, Mul};
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#[derive(Debug, Clone, PartialEq)]
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enum Gen {
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Stub(u32),
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#[cfg(feature = "video")]
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H3(h3_gen::H3Gen),
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#[cfg(target_os = "windows")]
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Win { body: WinHttpBody },
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#[cfg(not(target_os = "windows"))]
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Unix { fd: i32 },
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Last,
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}
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#[derive(Clone, Copy, Debug)]
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struct V(f32);
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impl Mul<V> for V { type Output = V; fn mul(self, o: V) -> V { V(self.0 * o.0) } }
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impl Mul<f32> for V { type Output = V; fn mul(self, o: f32) -> V { V(self.0 * o) } }
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impl Div<V> for V { type Output = V; fn div(self, o: V) -> V { V(self.0 / o.0) } }
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impl Div<f32> for V { type Output = V; fn div(self, o: f32) -> V { V(self.0 / o) } }
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#[test]
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fn v01_cfg_variants() {
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let g = Gen::Stub(3);
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if let Gen::Stub(x) = g.clone() {
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println!("| {}", x);
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}
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println!("| {} {:?} {:?} {}", std::mem::size_of::<Gen>(), Gen::Unix { fd: 4 }, Gen::Last, g == Gen::Stub(3));
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}
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#[test]
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fn v02_literal_rhs() {
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let v = V(3.0);
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let k = 4.0;
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println!("| {:?} {:?} {:?} {:?}", v * 0.5, v / 2.0, v * k, (v * 2.0) / (1.0 + 1.0));
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}
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