zig/mach
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

mach: check Platform functions declaration & add deinit for wasm

Browse source
This commit is contained in:
Ali Chraghi 2022-09-19 18:53:14 +04:30 • committed by Stephen Gutekanst
parent cd6b7aa714
commit 2811904eac
2 changed files with 44 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/platform.zig
View file

@ -1,7 +1,41 @@
const builtin = @import("builtin");
const Platform = if (builtin.cpu.arch == .wasm32) @import("platform/wasm.zig") else @import("platform/native.zig");
const Platform = if (builtin.cpu.arch == .wasm32)
Interface(@import("platform/wasm.zig"))
else
Interface(@import("platform/native.zig"));
// TODO: verify declarations and its signatures
pub const Type = Platform.Platform;
pub const BackingTimerType = Platform.BackingTimer;
/// Verifies that a Platform implementation exposes the expected function declarations.
fn Interface(comptime T: type) type {
assertHasDecl(T, "Platform");
assertHasDecl(T, "BackingTimer");
assertHasDecl(T.Platform, "init");
assertHasDecl(T.Platform, "deinit");
assertHasDecl(T.Platform, "setOptions");
assertHasDecl(T.Platform, "close");
assertHasDecl(T.Platform, "setWaitEvent");
assertHasDecl(T.Platform, "getFramebufferSize");
assertHasDecl(T.Platform, "getWindowSize");
assertHasDecl(T.Platform, "setMouseCursor");
assertHasDecl(T.Platform, "hasEvent");
assertHasDecl(T.Platform, "pollEvent");
assertHasDecl(T.BackingTimer, "start");
assertHasDecl(T.BackingTimer, "read");
assertHasDecl(T.BackingTimer, "reset");
assertHasDecl(T.BackingTimer, "lap");
return T;
}
fn assertDecl(comptime T: anytype, comptime name: []const u8, comptime Decl: type) void {
assertHasDecl(T, name);
const FoundDecl = @TypeOf(@field(T, name));
if (FoundDecl != Decl) @compileError("Platform field '" ++ name ++ "'\n\texpected type: " ++ @typeName(Decl) ++ "\n\t found type: " ++ @typeName(FoundDecl));
}
fn assertHasDecl(comptime T: anytype, comptime name: []const u8) void {
if (!@hasDecl(T, name)) @compileError("Platform missing declaration: " ++ name);
}