mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-09-23 16:11:57 +00:00
156 lines
4.1 KiB
Python
Executable file
156 lines
4.1 KiB
Python
Executable file
#!/usr/bin/env python
|
|
# Generate the wiki Home.md page from the contained doc comments
|
|
# requires the checked out wiki in ../rust-clippy.wiki/
|
|
# with -c option, print a warning and set exit status 1 if the file would be
|
|
# changed.
|
|
import os
|
|
import re
|
|
import sys
|
|
|
|
|
|
level_re = re.compile(r'''(Forbid|Deny|Warn|Allow)''')
|
|
conf_re = re.compile(r'''define_Conf! {\n([^}]*)\n}''', re.MULTILINE)
|
|
confvar_re = re.compile(r'''/// Lint: (\w+). (.*).*\n *\("([^"]*)", (?:[^,]*), (.*) => (.*)\),''')
|
|
|
|
|
|
def parse_path(p="src"):
|
|
d = {}
|
|
for f in os.listdir(p):
|
|
if f.endswith(".rs"):
|
|
parse_file(d, os.path.join(p, f))
|
|
return (d, parse_conf(p))
|
|
|
|
|
|
def parse_conf(p):
|
|
c = {}
|
|
with open(p + '/conf.rs') as f:
|
|
f = f.read()
|
|
|
|
m = re.search(conf_re, f)
|
|
m = m.groups()[0]
|
|
|
|
m = re.findall(confvar_re, m)
|
|
|
|
for (lint, doc, name, default, ty) in m:
|
|
c[lint.lower()] = (name, ty, doc, default)
|
|
|
|
return c
|
|
|
|
|
|
def parse_file(d, f):
|
|
last_comment = []
|
|
comment = True
|
|
|
|
with open(f) as rs:
|
|
for line in rs:
|
|
if comment:
|
|
if line.startswith("///"):
|
|
if line.startswith("/// "):
|
|
last_comment.append(line[4:])
|
|
else:
|
|
last_comment.append(line[3:])
|
|
elif line.startswith("declare_lint!"):
|
|
comment = False
|
|
else:
|
|
last_comment = []
|
|
if not comment:
|
|
l = line.strip()
|
|
m = re.search(r"pub\s+([A-Z_]+)", l)
|
|
|
|
if m:
|
|
name = m.group(1).lower()
|
|
|
|
while True:
|
|
m = re.search(level_re, line)
|
|
if m:
|
|
level = m.group(0)
|
|
break
|
|
|
|
line = next(rs)
|
|
|
|
print("found %s with level %s in %s" % (name, level, f))
|
|
d[name] = (level, last_comment)
|
|
last_comment = []
|
|
comment = True
|
|
if "}" in l:
|
|
print("Warning: Missing Lint-Name in", f)
|
|
comment = True
|
|
|
|
PREFIX = """Welcome to the rust-clippy wiki!
|
|
|
|
Here we aim to collect further explanations on the lints clippy provides. So \
|
|
without further ado:
|
|
"""
|
|
|
|
WARNING = """
|
|
# A word of warning
|
|
|
|
Clippy works as a *plugin* to the compiler, which means using an unstable \
|
|
internal API. We have gotten quite good at keeping pace with the API \
|
|
evolution, but the consequence is that clippy absolutely needs to be compiled \
|
|
with the version of `rustc` it will run on, otherwise you will get strange \
|
|
errors of missing symbols.
|
|
|
|
"""
|
|
|
|
|
|
template = """\n# `%s`
|
|
|
|
**Default level:** %s
|
|
|
|
%s"""
|
|
|
|
conf_template = """
|
|
**Configuration:** This lint has the following configuration variables:
|
|
|
|
* `%s: %s`: %s (defaults to `%s`).
|
|
"""
|
|
|
|
|
|
def write_wiki_page(d, c, f):
|
|
keys = list(d.keys())
|
|
keys.sort()
|
|
with open(f, "w") as w:
|
|
w.write(PREFIX)
|
|
|
|
for level in ('Deny', 'Warn', 'Allow'):
|
|
w.write("\n**Those lints are %s by default**:\n\n" % level)
|
|
for k in keys:
|
|
if d[k][0] == level:
|
|
w.write("[`%s`](#%s)\n" % (k, k))
|
|
|
|
w.write(WARNING)
|
|
for k in keys:
|
|
w.write(template % (k, d[k][0], "".join(d[k][1])))
|
|
|
|
if k in c:
|
|
w.write(conf_template % c[k])
|
|
|
|
|
|
def check_wiki_page(d, c, f):
|
|
errors = []
|
|
with open(f) as w:
|
|
for line in w:
|
|
m = re.match("# `([a-z_]+)`", line)
|
|
if m:
|
|
v = d.pop(m.group(1), "()")
|
|
if v == "()":
|
|
errors.append("Missing wiki entry: " + m.group(1))
|
|
keys = list(d.keys())
|
|
keys.sort()
|
|
for k in keys:
|
|
errors.append("Spurious wiki entry: " + k)
|
|
if errors:
|
|
print("\n".join(errors))
|
|
sys.exit(1)
|
|
|
|
|
|
def main():
|
|
(d, c) = parse_path()
|
|
if "-c" in sys.argv:
|
|
check_wiki_page(d, c, "../rust-clippy.wiki/Home.md")
|
|
else:
|
|
write_wiki_page(d, c, "../rust-clippy.wiki/Home.md")
|
|
|
|
if __name__ == "__main__":
|
|
main()
|