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#!/usr/bin/env python3
import argparse
import itertools
import jinja2
import os
import re
import sys
def semver(v):
if not re.fullmatch(r'\d+\.\d+\.\d+', v):
raise ValueError
return v
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--version', required=True, type=semver, help='Library version number')
parser.add_argument('output', help='Output directory for nlohmann_json.natvis')
args = parser.parse_args()
namespaces = ['nlohmann']
abi_prefix = 'json_abi'
abi_tags = ['_diag', '_ldvcmp']
version = '_v' + args.version.replace('.', '_')
inline_namespaces = []
# generate all combinations of inline namespace names
for n in range(0, len(abi_tags) + 1):
for tags in itertools.combinations(abi_tags, n):
ns = abi_prefix + ''.join(tags)
inline_namespaces += [ns, ns + version]
namespaces += [f'{namespaces[0]}::{ns}' for ns in inline_namespaces]
env = jinja2.Environment(loader=jinja2.FileSystemLoader(searchpath=sys.path[0]), autoescape=True, trim_blocks=True,
lstrip_blocks=True, keep_trailing_newline=True)
template = env.get_template('nlohmann_json.natvis.j2')
natvis = template.render(namespaces=namespaces)
with open(os.path.join(args.output, 'nlohmann_json.natvis'), 'w') as f:
f.write(natvis)
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