561ad03a7c
User writes BOTH `main` and a 3-line `android_main(app)` trampoline.
The library provides `sx_android_bootstrap(app)` (stashes the NDK app
pointer into a platform-owned global) and `AndroidPlatform` impl of
the Platform protocol. The library NEVER references `main` — the OS-
shape entry symbol lives in user code where the other entry symbols
already live. iOS / SDL3 keep their existing shape; only Android adds
the trampoline.
Cross-cutting bits this commit ships:
library/modules/compiler.sx
Add `android` variant to `OperatingSystem`.
src/ir/lower.zig
- injectComptimeConstants: map TargetConfig.isAndroid() → .android.
- New Pass 4 `checkRequiredEntryPoints`: emit a clean diagnostic
when `--target android` is requested but `android_main` isn't
defined, instead of letting the user crash on a dlopen-time
missing-symbol error.
library/modules/platform/android.sx
AndroidPlatform impl of the Platform protocol — EGL bringup on
`APP_CMD_INIT_WINDOW`, ALooper(0) polling, dispatches the user's
frame closure each ~16 ms tick. `sx_android_bootstrap(app)` is the
only function exposed for the entry trampoline.
examples/99-android-egl-clear.sx
Rewritten to use the new pattern: minimum `main` + `android_main`
pair, AndroidPlatform-driven render loop. Doubles as the usage
reference users hand off to the compiler diagnostic.
Verified on Pixel 7 Pro: purple clear-color frame, periodic
`rendered 60 frames` logcat lines. iOS-sim chess + 86/86 regression
tests pass.
16 lines
584 B
Plaintext
16 lines
584 B
Plaintext
OperatingSystem :: enum { macos; linux; windows; wasm; ios; android; unknown; }
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Architecture :: enum { aarch64; x86_64; wasm32; wasm64; unknown; }
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OS : OperatingSystem = .unknown;
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ARCH : Architecture = .unknown;
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POINTER_SIZE : s64 = 8;
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BuildOptions :: struct {
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add_link_flag :: (self: BuildOptions, flag: [:0]u8) #compiler;
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add_framework :: (self: BuildOptions, name: [:0]u8) #compiler;
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set_output_path :: (self: BuildOptions, path: [:0]u8) #compiler;
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set_wasm_shell :: (self: BuildOptions, path: [:0]u8) #compiler;
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}
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build_options :: () -> BuildOptions #compiler;
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