Dmitry Polukhin 338d162755 [clang-tidy] Ignore all spaces in the list of checks
This diff patch fixes issue with new line character after check name and before comma. Also ignores all other types of spaces like TAB.

Test Plan: ninja check-clang-tools

Differential Revision: https://reviews.llvm.org/D99180
2021-03-24 06:43:13 -07:00

64 lines
1.9 KiB
C++

//===--- tools/extra/clang-tidy/GlobList.cpp ------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "GlobList.h"
#include "llvm/ADT/SmallString.h"
using namespace clang;
using namespace tidy;
// Returns true if GlobList starts with the negative indicator ('-'), removes it
// from the GlobList.
static bool consumeNegativeIndicator(StringRef &GlobList) {
GlobList = GlobList.trim();
if (GlobList.startswith("-")) {
GlobList = GlobList.substr(1);
return true;
}
return false;
}
// Converts first glob from the comma-separated list of globs to Regex and
// removes it and the trailing comma from the GlobList.
static llvm::Regex consumeGlob(StringRef &GlobList) {
StringRef UntrimmedGlob = GlobList.substr(0, GlobList.find(','));
StringRef Glob = UntrimmedGlob.trim();
GlobList = GlobList.substr(UntrimmedGlob.size() + 1);
SmallString<128> RegexText("^");
StringRef MetaChars("()^$|*+?.[]\\{}");
for (char C : Glob) {
if (C == '*')
RegexText.push_back('.');
else if (MetaChars.contains(C))
RegexText.push_back('\\');
RegexText.push_back(C);
}
RegexText.push_back('$');
return llvm::Regex(RegexText);
}
GlobList::GlobList(StringRef Globs) {
Items.reserve(Globs.count(',') + 1);
do {
GlobListItem Item;
Item.IsPositive = !consumeNegativeIndicator(Globs);
Item.Regex = consumeGlob(Globs);
Items.push_back(std::move(Item));
} while (!Globs.empty());
}
bool GlobList::contains(StringRef S) const {
// Iterating the container backwards as the last match determins if S is in
// the list.
for (const GlobListItem &Item : llvm::reverse(Items)) {
if (Item.Regex.match(S))
return Item.IsPositive;
}
return false;
}