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delete the old panic stuff again

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now that we have a zig1.wasm update it's not needed
This commit is contained in:
Andrew Kelley 2024-09-25 13:24:47 -07:00
parent 9ccf8d3332
commit 76f0b6e7d8
1 changed files with 2 additions and 75 deletions
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77
lib/std/builtin.zig
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@ -761,91 +761,18 @@ pub const TestFn = struct {
func: *const fn () anyerror!void,
};
const old_version = std.SemanticVersion.parse("0.14.0-dev.1659+4ceefca14") catch unreachable;
const is_old = @import("builtin").zig_version.order(old_version) != .gt;
/// This function type is used by the Zig language code generation and
/// therefore must be kept in sync with the compiler implementation.
pub const PanicFn = if (is_old)
fn ([]const u8, ?*StackTrace, ?usize) noreturn
else
fn (PanicCause, ?*StackTrace, ?usize) noreturn;
pub const PanicFn = fn (PanicCause, ?*StackTrace, ?usize) noreturn;
/// The entry point for auto-generated calls by the compiler.
pub const panic: PanicFn = if (is_old)
defaultPanicOld
else if (@hasDecl(root, "panic"))
pub const panic: PanicFn = if (@hasDecl(root, "panic"))
root.panic
else if (@hasDecl(root, "os") and @hasDecl(root.os, "panic"))
root.os.panic
else
std.debug.defaultPanic;
pub fn defaultPanicOld(
msg: []const u8,
trace: ?*const std.builtin.StackTrace,
first_trace_addr: ?usize,
) noreturn {
@branchHint(.cold);
std.debug.print("old panic: {s}\n", .{msg});
_ = trace;
_ = first_trace_addr;
@trap();
}
pub fn panicSentinelMismatch(expected: anytype, actual: @TypeOf(expected)) noreturn {
@branchHint(.cold);
std.debug.panicExtra(null, @returnAddress(), "sentinel mismatch: expected {any}, found {any}", .{ expected, actual });
}
pub fn panicUnwrapError(st: ?*StackTrace, err: anyerror) noreturn {
@branchHint(.cold);
std.debug.panicExtra(st, @returnAddress(), "attempt to unwrap error: {s}", .{@errorName(err)});
}
pub fn panicOutOfBounds(index: usize, len: usize) noreturn {
@branchHint(.cold);
std.debug.panicExtra(null, @returnAddress(), "index out of bounds: index {d}, len {d}", .{ index, len });
}
pub fn panicStartGreaterThanEnd(start: usize, end: usize) noreturn {
@branchHint(.cold);
std.debug.panicExtra(null, @returnAddress(), "start index {d} is larger than end index {d}", .{ start, end });
}
pub fn panicInactiveUnionField(active: anytype, wanted: @TypeOf(active)) noreturn {
@branchHint(.cold);
std.debug.panicExtra(null, @returnAddress(), "access of union field '{s}' while field '{s}' is active", .{ @tagName(wanted), @tagName(active) });
}
pub const panic_messages = struct {
pub const unreach = "reached unreachable code";
pub const unwrap_null = "attempt to use null value";
pub const cast_to_null = "cast causes pointer to be null";
pub const incorrect_alignment = "incorrect alignment";
pub const invalid_error_code = "invalid error code";
pub const cast_truncated_data = "integer cast truncated bits";
pub const negative_to_unsigned = "attempt to cast negative value to unsigned integer";
pub const integer_overflow = "integer overflow";
pub const shl_overflow = "left shift overflowed bits";
pub const shr_overflow = "right shift overflowed bits";
pub const divide_by_zero = "division by zero";
pub const exact_division_remainder = "exact division produced remainder";
pub const inactive_union_field = "access of inactive union field";
pub const integer_part_out_of_bounds = "integer part of floating point value out of bounds";
pub const corrupt_switch = "switch on corrupt value";
pub const shift_rhs_too_big = "shift amount is greater than the type size";
pub const invalid_enum_value = "invalid enum value";
pub const sentinel_mismatch = "sentinel mismatch";
pub const unwrap_error = "attempt to unwrap error";
pub const index_out_of_bounds = "index out of bounds";
pub const start_index_greater_than_end = "start index is larger than end index";
pub const for_len_mismatch = "for loop over objects with non-equal lengths";
pub const memcpy_len_mismatch = "@memcpy arguments have non-equal lengths";
pub const memcpy_alias = "@memcpy arguments alias";
pub const noreturn_returned = "'noreturn' function returned";
};
/// This data structure is used by the Zig language code generation and
/// therefore must be kept in sync with the compiler implementation.
pub const PanicCause = union(enum) {