| #!/usr/bin/env fuchsia-vendored-python |
| |
| # Copyright 2016 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # A tool for autogenerating the mapping between Status and zx_status_t |
| # Usage: python gen_status.py zircon/system/public/zircon/errors.h {sys,enum,match} |
| import re |
| import sys |
| |
| status_re = re.compile("#define\s+(ZX_\w+)\s+\((\-?\d+)\)$") |
| |
| |
| def parse(in_filename): |
| result = [] |
| for line in open(in_filename): |
| m = status_re.match(line) |
| if m: |
| result.append((m.group(1), int(m.group(2)))) |
| return result |
| |
| |
| def to_snake_case(name): |
| result = [] |
| for element in name.split("_"): |
| result.append(element[0] + element[1:].lower()) |
| return "".join(result) |
| |
| |
| def out(style, l): |
| print("// Auto-generated using tools/gen_status.py") |
| longest = max(len(name) for (name, num) in l) |
| if style == "sys": |
| for name, num in l: |
| print( |
| "pub const %s : zx_status_t = %d;" % (name.ljust(longest), num) |
| ) |
| if style == "enum": |
| print("pub enum Status {") |
| for name, num in l: |
| print(" %s = %d," % (to_snake_case(name[3:]), num)) |
| print("") |
| print( |
| " /// Any zx_status_t not in the set above will map to the following:" |
| ) |
| print(" UnknownOther = -32768,") |
| print("}") |
| if style == "match": |
| for name, num in l: |
| print( |
| " sys::%s => Status::%s," |
| % (name, to_snake_case(name[3:])) |
| ) |
| print(" _ => Status::UnknownOther,") |
| |
| |
| l = parse(sys.argv[1]) |
| out(sys.argv[2], l) |