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