cosmopolitan/tool/plinko/lib/error.c
2022-04-07 20:30:22 -07:00

57 lines
2.6 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/log/log.h"
#include "libc/runtime/runtime.h"
#include "tool/plinko/lib/error.h"
#include "tool/plinko/lib/plinko.h"
#include "tool/plinko/lib/printf.h"
#include "tool/plinko/lib/stack.h"
relegated wontreturn void Raise(int x) {
Flush(1);
Flush(2);
longjmp(crash, ~x);
}
relegated wontreturn void Error(const char *f, ...) {
int n;
va_list va;
Flush(1);
Flush(2);
va_start(va, f);
n = Fprintf(2, "\e[1;31merror\e[0m: ");
n = Vfnprintf(f, va, 2, n);
Fprintf(2, "%n");
va_end(va);
Raise(kError);
}
relegated wontreturn void OutOfMemory(void) {
Error("out of memory");
}
relegated wontreturn void StackOverflow(void) {
Error("stack overflow");
}
relegated wontreturn void React(int e, int x, int k) {
if (!sp || e != LO(GetCurrentFrame())) Push(e);
Push(x);
Raise(k);
}