def _to_str(self, lean=False):
regex_directives = {'comments', 'eol_comments', 'whitespace'}
ustr_directives = {'comments', 'grammar'}
string_directives = {'namechars'}
directives = ''
for directive, value in self.directives.items():
fmt = dict(
name=directive,
frame='/' if directive in regex_directives else '',
value=(urepr(value) if directive in string_directives else
ustr(value) if directive in ustr_directives else value),
)
directives += '@@{name} :: {frame}{value}{frame}\n'.format(**fmt)
if directives:
directives += '\n'
keywords = '\n'.join(
'@@keyword :: ' + ' '.join(urepr(k) for k in c if k is not None)
for c in chunks(sorted(self.keywords), 8)).strip()
keywords = '\n\n' + keywords + '\n' if keywords else ''
rules = ('\n\n'.join(
ustr(rule._to_str(lean=lean))
for rule in self.rules)).rstrip() + '\n'
return directives + keywords + rules
def _to_str(self, lean=False):
regex_directives = {'comments', 'eol_comments', 'whitespace'}
ustr_directives = {'comments', 'grammar'}
string_directives = {'namechars'}
directives = ''
for directive, value in self.directives.items():
fmt = dict(
name=directive,
frame='/' if directive in regex_directives else '',
value=(
urepr(value) if directive in string_directives
else ustr(value) if directive in ustr_directives
else value
),
)
directives += '@@{name} :: {frame}{value}{frame}\n'.format(**fmt)
if directives:
directives += '\n'
keywords = '\n'.join(
'@@keyword :: ' + ' '.join(urepr(k) for k in c if k is not None)
for c in chunks(sorted(self.keywords), 8)
).strip()
keywords = '\n\n' + keywords + '\n' if keywords else ''
rules = (
'\n\n'.join(ustr(rule._to_str(lean=lean))
for rule in self.rules)
).rstrip() + '\n'
return directives + keywords + rules
