rumpk/core/panicoverride.nim

78 lines
2.2 KiB
Nim

# SPDX-License-Identifier: LSL-1.0
# Copyright (c) 2026 Markus Maiwald
# Stewardship: Self Sovereign Society Foundation
#
# This file is part of the Nexus Sovereign Core.
# See legal/LICENSE_SOVEREIGN.md for license terms.
## Rumpk Layer 1: Panic Override (Emergency Procedures)
# Rumpk Panic Override
# Required for Nim --os:any / --os:standalone
# This file must be named panicoverride.nim
var nimErrorFlag* {.exportc: "nimErrorFlag", compilerproc.}: bool = false
proc nimAddInt(a, b: int, res: var int): bool {.compilerproc.} =
let r = a + b
if (r < a) != (b < 0): return true
res = r
return false
proc nimSubInt(a, b: int, res: var int): bool {.compilerproc.} =
let r = a - b
if (r > a) != (b < 0): return true
res = r
return false
proc nimMulInt(a, b: int, res: var int): bool {.compilerproc.} =
let r = a * b
if b != 0 and (r div b) != a: return true
res = r
return false
{.push stackTrace: off.}
proc console_write(p: pointer, len: csize_t) {.importc, cdecl.}
proc rumpk_halt() {.importc, cdecl, noreturn.}
# Stubs for missing runtime symbols to satisfy linker
proc setLengthStr*(s: pointer, newLen: int) {.exportc, compilerproc.} = discard
proc addChar*(s: pointer, c: char) {.exportc, compilerproc.} = discard
proc callDepthLimitReached*() {.exportc, compilerproc.} =
while true: discard
# Type Info stub for Defect (referenced by digitsutils/exceptions)
var NTIdefect* {.exportc: "NTIdefect__SEK9acOiG0hv2dnGQbk52qg_", compilerproc.}: pointer = nil
proc rawoutput(s: string) =
if s.len > 0:
console_write(unsafeAddr s[0], csize_t(s.len))
proc panic(s: cstring) {.exportc, noreturn.} =
rawoutput("[PANIC] ")
if s != nil:
var i = 0
while s[i] != '\0':
var buf: array[1, char]
buf[0] = s[i]
console_write(addr buf[0], 1)
inc i
rawoutput("\n")
rumpk_halt()
proc raiseIndexError2(i, n: int) {.exportc, noreturn, compilerproc.} =
rawoutput("[PANIC] Index Error: ")
panic("Index Out of Bounds")
proc raiseOverflow() {.exportc, noreturn, compilerproc.} =
panic("Integer Overflow")
proc raiseRangeError(val: int64) {.exportc, noreturn, compilerproc.} =
panic("Range Error")
proc raiseDivByZero() {.exportc, noreturn, compilerproc.} =
panic("Division by Zero")
{.pop.}