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Fix compilation errors
continuous-integration/drone/push Build is passing Details

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kayomn 2022-10-03 22:32:16 +01:00
parent 49557f32bc
commit af1976b69c
2 changed files with 56 additions and 46 deletions
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2
src/main.zig
View File

@ -38,7 +38,7 @@ fn run(event_loop: *sys.EventLoop, graphics: *sys.GraphicsContext) anyerror!void
if ((try event_loop.readFile(file_access, buffer)) != file_size) if ((try event_loop.readFile(file_access, buffer)) != file_size)
return error.ScriptLoadFailure; return error.ScriptLoadFailure;
event_loop.log(buffer); event_loop.log(.debug, buffer);
} }
while (graphics.poll()) |_| { while (graphics.poll()) |_| {

100
src/sys.zig
View File

@ -8,7 +8,7 @@ const stack = @import("./stack.zig");
const std = @import("std"); const std = @import("std");
/// ///
/// /// A thread-safe platform abstraction over multiplexing system I/O processing and event handling.
/// ///
pub const EventLoop = opaque { pub const EventLoop = opaque {
/// ///
@ -23,7 +23,7 @@ pub const EventLoop = opaque {
exit, exit,
close: struct { close: struct {
file_system_path: *FileAccess, file_access: *FileAccess,
}, },
log: struct { log: struct {
@ -33,7 +33,7 @@ pub const EventLoop = opaque {
open: struct { open: struct {
mode: OpenMode, mode: OpenMode,
path: *const FileSystem.Path, file_system_path: *const FileSystem.Path,
result: OpenError!*FileAccess = error.NotFound, result: OpenError!*FileAccess = error.NotFound,
}, },
@ -138,13 +138,15 @@ pub const EventLoop = opaque {
/// ///
/// Closes access to the file referenced by `file_access` via `event_loop`. /// Closes access to the file referenced by `file_access` via `event_loop`.
/// ///
/// *Note* that nothing happens to `file_access` if it is already closed.
///
pub fn close(event_loop: *EventLoop, file_access: *FileAccess) void { pub fn close(event_loop: *EventLoop, file_access: *FileAccess) void {
var message = FileSystemMessage{ var file_system_message = FileSystemMessage{
.frame = @frame(), .frame = @frame(),
.request = .{.close = .{.file_access = file_access}}, .request = .{.close = .{.file_access = file_access}},
}; };
suspend event_loop.enqueueFileSystemMessage(&message); suspend event_loop.enqueueFileSystemMessage(&file_system_message);
} }
/// ///
@ -174,7 +176,7 @@ pub const EventLoop = opaque {
/// *Note* that `message` is not guaranteed to be partly, wholely, or at all written. /// *Note* that `message` is not guaranteed to be partly, wholely, or at all written.
/// ///
pub fn log(event_loop: *EventLoop, kind: LogKind, message: []const u8) void { pub fn log(event_loop: *EventLoop, kind: LogKind, message: []const u8) void {
var message = FileSystemMessage{ var file_system_message = FileSystemMessage{
.frame = @frame(), .frame = @frame(),
.request = .{.log = .{ .request = .{.log = .{
@ -183,7 +185,7 @@ pub const EventLoop = opaque {
}}, }},
}; };
suspend event_loop.enqueueFileSystemMessage(&message); suspend event_loop.enqueueFileSystemMessage(&file_system_message);
} }
/// ///
@ -199,24 +201,26 @@ pub const EventLoop = opaque {
pub fn open(event_loop: *EventLoop, mode: OpenMode, pub fn open(event_loop: *EventLoop, mode: OpenMode,
file_system_path: FileSystem.Path) OpenError!*FileAccess { file_system_path: FileSystem.Path) OpenError!*FileAccess {
var message = FileSystemMessage{ var file_system_message = FileSystemMessage{
.frame = @frame(), .frame = @frame(),
.request = .{ .request = .{.open = .{
.open = .{ .mode = mode,
.mode = mode, .file_system_path = &file_system_path,
.file_system_path = &file_system_path, }},
},
},
}; };
suspend event_loop.enqueueFileSystemMessage(&message); suspend event_loop.enqueueFileSystemMessage(&file_system_message);
return message.request.open.result; return file_system_message.request.open.result;
} }
/// ///
/// [FileSystemMessage] processing function used by a dedicated worker thread, where `data` is
/// a type-erased reference to a [EventLoop].
/// ///
/// The processor returns `0` if it exited normally or any other value if an erroneous exit
/// occured.
/// ///
fn processFileSystemMessages(data: ?*anyopaque) callconv(.C) c_int { fn processFileSystemMessages(data: ?*anyopaque) callconv(.C) c_int {
const implementation = Implementation.cast(@ptrCast(*EventLoop, data orelse unreachable)); const implementation = Implementation.cast(@ptrCast(*EventLoop, data orelse unreachable));
@ -266,20 +270,23 @@ pub const EventLoop = opaque {
}, },
.close => |*close_request| { .close => |*close_request| {
// Don't care if this doesn't work. // TODO: Use this result somehow.
_ = ext.SDL_RWclose(@ptrCast(*ext.SDL_RWops, @alignCast( _ = ext.SDL_RWclose(@ptrCast(*ext.SDL_RWops, @alignCast(
@alignOf(ext.SDL_RWops), close_request.file_access))); @alignOf(ext.SDL_RWops), close_request.file_access)));
}, },
.read_file => |read_request| { .read_file => |read_request| {
// TODO: Implement.
_ = read_request; _ = read_request;
}, },
.seek_file => |seek_request| { .seek_file => |seek_request| {
// TODO: Implement.
_ = seek_request; _ = seek_request;
}, },
.tell_file => |tell_request| { .tell_file => |tell_request| {
// TODO: Implement.
_ = tell_request; _ = tell_request;
}, },
} }
@ -304,29 +311,45 @@ pub const EventLoop = opaque {
pub fn readFile(event_loop: *EventLoop, file_access: *FileAccess, pub fn readFile(event_loop: *EventLoop, file_access: *FileAccess,
buffer: []const u8) FileError!usize { buffer: []const u8) FileError!usize {
var message = FileSystemMessage{ var file_system_message = FileSystemMessage{
.frame = @frame(), .frame = @frame(),
.request = .{ .request = .{.read_file = .{
.read_file = .{ .file_access = file_access,
.file_access = file_access, .buffer = buffer,
.buffer = buffer, }},
},
},
}; };
suspend event_loop.enqueueFileSystemMessage(&message); suspend event_loop.enqueueFileSystemMessage(&file_system_message);
return message.request.read_file.result; return file_system_message.request.read_file.result;
} }
/// ///
/// Attempts to tell the current file cursor position for the file referenced by `file_access`.
/// ///
/// Returns the number of bytes into the file that the cursor is relative to its beginning or a
/// [FileError] if the file failed to be queried.
///
pub fn queryFile(event_loop: *EventLoop, file_access: *FileAccess) FileError!usize {
var file_system_message = FileSystemMessage{
.frame = @frame(),
.request = .{.tell_file = .{.file_access = file_access}},
};
suspend event_loop.enqueueFileSystemMessage(&file_system_message);
return file_system_message.request.tell_file.result;
}
///
/// Attempts to seek the file cursor through the file referenced by `file_access` from `origin`
/// to `offset` via `event_loop`, returning a [FileError] if the file failed to be sought.
/// ///
pub fn seekFile(event_loop: *EventLoop, file_access: *FileAccess, pub fn seekFile(event_loop: *EventLoop, file_access: *FileAccess,
origin: SeekOrigin, offset: usize) FileError!void { origin: SeekOrigin, offset: usize) FileError!void {
var message = FileSystemMessage{ var file_system_message = FileSystemMessage{
.frame = @frame(), .frame = @frame(),
.request = .{ .request = .{
@ -338,23 +361,9 @@ pub const EventLoop = opaque {
}, },
}; };
suspend event_loop.enqueueFileSystemMessage(&message); suspend event_loop.enqueueFileSystemMessage(&file_system_message);
return message.request.seek_file.result; return file_system_message.request.seek_file.result;
}
///
///
///
pub fn tellFile(event_loop: *EventLoop, file_access: *FileAccess) FileError!usize {
var message = FileSystemMessage{
.frame = @frame(),
.request = .{.tell_file = .{.file_access = file_access}},
};
suspend event_loop.enqueueFileSystemMessage(&message);
return message.request.tell_file.result;
} }
}; };
@ -391,14 +400,15 @@ pub const FileError = error {
}; };
/// ///
/// /// Platform-agnostic mechanism for working with an abstraction of the underlying file-system(s)
/// available to the application in a sandboxed environment.
/// ///
pub const FileSystem = enum { pub const FileSystem = enum {
data, data,
user, user,
/// ///
/// Platform-agnostic mechanism for referencing files and directories on a [FileSystem] /// Platform-agnostic mechanism for referencing files and directories on a [FileSystem].
/// ///
pub const Path = struct { pub const Path = struct {
file_system: FileSystem, file_system: FileSystem,