test262/tools/generation/lib/case.py

49 lines
1.5 KiB
Python

# Copyright (C) 2016 the V8 project authors. All rights reserved.
# This code is governed by the BSD license found in the LICENSE file.
import codecs
import re
from .util.find_comments import find_comments
from .util.parse_yaml import parse_yaml
regionStartPattern = re.compile(r'-\s+(\S+)')
metaPattern = r'\/\*---\n([\s]*)((?:\s|\S)*)[\n\s*]---\*\/'
class Case:
def __init__(self, file_name, encoding):
self.attribs = dict(meta=None, regions=dict())
with codecs.open(file_name, 'r', encoding) as handle:
self.attribs = self._parse(handle.read())
def _parse(self, source):
case = dict(meta=None, regions=dict())
region_name = None
region_start = 0
lines = source.split('\n')
search = re.search(metaPattern, source, re.DOTALL|re.MULTILINE)
if search:
meta = search.group()
meta = parse_yaml(meta[2:-2])
if meta and not case['meta']:
case['meta'] = meta
for comment in find_comments(source):
match = regionStartPattern.match(comment['source'])
if match:
if region_name:
case['regions'][region_name] = \
'\n'.join(lines[region_start:comment['lineno'] - 1])
region_name = match.group(1)
region_start = comment['lineno']
continue
if region_name:
case['regions'][region_name] = \
'\n'.join(lines[region_start:-1])
return case