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mkerrors.bash
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#!/bin/bash
# Copyright 2019 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
set -e
shopt -s nullglob
winerror="$(printf '%s\n' "/mnt/c/Program Files (x86)/Windows Kits/"/*/Include/*/shared/winerror.h | sort -Vr | head -n 1)"
[[ -n $winerror ]] || { echo "Unable to find winerror.h" >&2; exit 1; }
ntstatus="$(printf '%s\n' "/mnt/c/Program Files (x86)/Windows Kits/"/*/Include/*/shared/ntstatus.h | sort -Vr | head -n 1)"
[[ -n $ntstatus ]] || { echo "Unable to find ntstatus.h" >&2; exit 1; }
declare -A errors
{
echo "// Code generated by 'mkerrors.bash'; DO NOT EDIT."
echo
echo "package windows"
echo "import \"syscall\""
echo "const ("
while read -r line; do
unset vtype
if [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +([A-Z0-9_]+\()?([A-Z][A-Z0-9_]+k?)\)? ]]; then
key="${BASH_REMATCH[1]}"
value="${BASH_REMATCH[3]}"
elif [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +([A-Z0-9_]+\()?((0x)?[0-9A-Fa-f]+)L?\)? ]]; then
key="${BASH_REMATCH[1]}"
value="${BASH_REMATCH[3]}"
vtype="${BASH_REMATCH[2]}"
elif [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +\(\(([A-Z]+)\)((0x)?[0-9A-Fa-f]+)L?\) ]]; then
key="${BASH_REMATCH[1]}"
value="${BASH_REMATCH[3]}"
vtype="${BASH_REMATCH[2]}"
else
continue
fi
[[ -n $key && -n $value ]] || continue
[[ -z ${errors["$key"]} ]] || continue
errors["$key"]="$value"
if [[ -v vtype ]]; then
if [[ $key == FACILITY_* || $key == NO_ERROR ]]; then
vtype=""
elif [[ $vtype == *HANDLE* || $vtype == *HRESULT* ]]; then
vtype="Handle"
else
vtype="syscall.Errno"
fi
last_vtype="$vtype"
else
vtype=""
if [[ $last_vtype == Handle && $value == NO_ERROR ]]; then
value="S_OK"
elif [[ $last_vtype == syscall.Errno && $value == NO_ERROR ]]; then
value="ERROR_SUCCESS"
fi
fi
echo "$key $vtype = $value"
done < "$winerror"
while read -r line; do
[[ $line =~ ^#define\ (STATUS_[^\s]+)\ +\(\(NTSTATUS\)((0x)?[0-9a-fA-F]+)L?\) ]] || continue
echo "${BASH_REMATCH[1]} NTStatus = ${BASH_REMATCH[2]}"
done < "$ntstatus"
echo ")"
} | gofmt > "zerrors_windows.go"

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