mirror of https://github.com/rust-lang/rust.git
106 lines
2.9 KiB
Python
Executable File
106 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python
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# Generate the wiki Home.md page from the contained doc comments
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# requires the checked out wiki in ../rust-clippy.wiki/
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# with -c option, print a warning and set exit status 1 if the file would be
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# changed.
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import os
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import re
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import sys
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def parse_path(p="src"):
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d = {}
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for f in os.listdir(p):
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if f.endswith(".rs"):
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parse_file(d, os.path.join(p, f))
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return d
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START = 0
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LINT = 1
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def parse_file(d, f):
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last_comment = []
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comment = True
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with open(f) as rs:
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for line in rs:
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if comment:
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if line.startswith("///"):
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if line.startswith("/// "):
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last_comment.append(line[4:])
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else:
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last_comment.append(line[3:])
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elif line.startswith("declare_lint!"):
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comment = False
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else:
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last_comment = []
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if not comment:
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l = line.strip()
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m = re.search(r"pub\s+([A-Z_]+)", l)
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if m:
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print("found %s in %s" % (m.group(1).lower(), f))
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d[m.group(1).lower()] = last_comment
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last_comment = []
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comment = True
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if "}" in l:
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print("Warning: Missing Lint-Name in", f)
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comment = True
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PREFIX = """Welcome to the rust-clippy wiki!
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Here we aim to collect further explanations on the lints clippy provides. So \
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without further ado:
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"""
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WARNING = """
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# A word of warning
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Clippy works as a *plugin* to the compiler, which means using an unstable \
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internal API. We have gotten quite good at keeping pace with the API \
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evolution, but the consequence is that clippy absolutely needs to be compiled \
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with the version of `rustc` it will run on, otherwise you will get strange \
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errors of missing symbols."""
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def write_wiki_page(d, f):
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keys = list(d.keys())
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keys.sort()
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with open(f, "w") as w:
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w.write(PREFIX)
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for k in keys:
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w.write("[`%s`](#%s)\n" % (k, k))
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w.write(WARNING)
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for k in keys:
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w.write("\n# `%s`\n\n%s" % (k, "".join(d[k])))
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def check_wiki_page(d, f):
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errors = []
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with open(f) as w:
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for line in w:
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m = re.match("# `([a-z_]+)`", line)
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if m:
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v = d.pop(m.group(1), "()")
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if v == "()":
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errors.append("Missing wiki entry: " + m.group(1))
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keys = list(d.keys())
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keys.sort()
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for k in keys:
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errors.append("Spurious wiki entry: " + k)
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if errors:
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print("\n".join(errors))
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sys.exit(1)
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def main():
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d = parse_path()
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if "-c" in sys.argv:
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check_wiki_page(d, "../rust-clippy.wiki/Home.md")
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else:
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write_wiki_page(d, "../rust-clippy.wiki/Home.md")
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if __name__ == "__main__":
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main()
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