refactor: rework error handling to simplifiy command implementation and provide better back traces

This commit is contained in:
CJ van den Berg 2024-06-26 23:29:39 +02:00
parent 21b604f4d6
commit 032982c1e8
26 changed files with 821 additions and 785 deletions

View file

@ -73,16 +73,16 @@ pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
}
if (try m.match(.{ "I", tp.extract(&evtype), tp.extract(&keypress), tp.extract(&egc), tp.string, tp.extract(&modifiers) })) {
try self.mapEvent(evtype, keypress, egc, modifiers);
self.mapEvent(evtype, keypress, egc, modifiers) catch |e| return tp.exit_error(e, @errorReturnTrace());
} else if (try m.match(.{"F"})) {
self.flush_input() catch |e| return e;
self.flush_input() catch |e| return tp.exit_error(e, @errorReturnTrace());
} else if (try m.match(.{ "system_clipboard", tp.extract(&text) })) {
try self.insert_bytes(text);
self.insert_bytes(text) catch |e| return tp.exit_error(e, @errorReturnTrace());
}
return false;
}
fn mapEvent(self: *Self, evtype: u32, keypress: u32, egc: u32, modifiers: u32) tp.result {
fn mapEvent(self: *Self, evtype: u32, keypress: u32, egc: u32, modifiers: u32) !void {
switch (evtype) {
event_type.PRESS => try self.mapPress(keypress, egc, modifiers),
event_type.REPEAT => try self.mapPress(keypress, egc, modifiers),
@ -91,7 +91,7 @@ fn mapEvent(self: *Self, evtype: u32, keypress: u32, egc: u32, modifiers: u32) t
}
}
fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) !void {
const keynormal = if ('a' <= keypress and keypress <= 'z') keypress - ('a' - 'A') else keypress;
return switch (modifiers) {
mod.CTRL => switch (keynormal) {
@ -147,7 +147,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
};
}
fn mapRelease(self: *Self, keypress: u32, _: u32, _: u32) tp.result {
fn mapRelease(self: *Self, keypress: u32, _: u32, _: u32) !void {
return switch (keypress) {
key.LCTRL, key.RCTRL => self.cmd("disable_fast_scroll", .{}),
key.LALT, key.RALT => self.cmd("disable_fast_scroll", .{}),
@ -155,14 +155,14 @@ fn mapRelease(self: *Self, keypress: u32, _: u32, _: u32) tp.result {
};
}
fn insert_code_point(self: *Self, c: u32) tp.result {
fn insert_code_point(self: *Self, c: u32) !void {
if (self.input.len + 16 > self.buf.len)
try self.flush_input();
const bytes = ucs32_to_utf8(&[_]u32{c}, self.buf[self.input.len..]) catch |e| return tp.exit_error(e);
const bytes = try ucs32_to_utf8(&[_]u32{c}, self.buf[self.input.len..]);
self.input = self.buf[0 .. self.input.len + bytes];
}
fn insert_bytes(self: *Self, bytes: []const u8) tp.result {
fn insert_bytes(self: *Self, bytes: []const u8) !void {
if (self.input.len + 16 > self.buf.len)
try self.flush_input();
const newlen = self.input.len + bytes.len;
@ -172,7 +172,7 @@ fn insert_bytes(self: *Self, bytes: []const u8) tp.result {
var find_cmd_id: ?command.ID = null;
fn flush_input(self: *Self) tp.result {
fn flush_input(self: *Self) !void {
if (self.input.len > 0) {
if (eql(u8, self.input, self.last_input))
return;