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//! Trigger Collapse (Panic)
const serial = @import("../../drivers/serial/serial.zig");
const types = @import("../types/types.zig");
const render = @import("../render/render.zig");
const gather = @import("gather.zig");
const halt_module = @import("halt.zig");
const Exception = types.Exception;
const Context = types.Context;
var collapse_in_progress: bool = false;
var collapse_message: [256]u8 = undefined;
var collapse_message_len: usize = 0;
pub fn collapse(message: []const u8, exception: ?*const Exception) noreturn {
if (collapse_in_progress) {
serial.printf("\nDouble collapse detected, halting immediately\n", .{});
halt_module.halt_all();
}
collapse_in_progress = true;
set_message(message);
render.render_collapse_banner();
render.render_message(get_message());
if (exception) |exc| {
render.render_exception(exc);
render.render_context(exc.context);
} else {
var context: Context = undefined;
gather.capture_current_context(&context);
render.render_context(&context);
}
render.render_halt_message();
halt_module.halt_all();
}
pub fn collapse_with_context(message: []const u8, context: *const Context) noreturn {
if (collapse_in_progress) {
serial.printf("\nDouble collapse detected, halting immediately\n", .{});
halt_module.halt_all();
}
collapse_in_progress = true;
set_message(message);
render.render_collapse_banner();
render.render_message(get_message());
render.render_context(context);
render.render_halt_message();
halt_module.halt_all();
}
fn set_message(message: []const u8) void {
const len = @min(message.len, 255);
for (message[0..len], 0..) |c, i| {
collapse_message[i] = c;
}
collapse_message[len] = 0;
collapse_message_len = len;
}
fn get_message() []const u8 {
return collapse_message[0..collapse_message_len];
}
pub fn is_collapsing() bool {
return collapse_in_progress;
}
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