hokein updated this revision to Diff 190406.
hokein marked 3 inline comments as done.
hokein added a comment.
Rename the tool.
Repository:
rCTE Clang Tools Extra
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D58345/new/
https://reviews.llvm.org/D58345
Files:
clangd/StdSymbolMap.inc
clangd/include-mapping/gen_std.py
clangd/include-mapping/test.py
clangd/index/CanonicalIncludes.cpp
Index: clangd/index/CanonicalIncludes.cpp
===================================================================
--- clangd/index/CanonicalIncludes.cpp
+++ clangd/index/CanonicalIncludes.cpp
@@ -107,53 +107,20 @@
void addSystemHeadersMapping(CanonicalIncludes *Includes) {
static const std::vector<std::pair<const char *, const char *>> SymbolMap = {
- {"std::addressof", "<memory>"},
- // Map symbols in <iosfwd> to their preferred includes.
{"std::basic_filebuf", "<fstream>"},
- {"std::basic_fstream", "<fstream>"},
- {"std::basic_ifstream", "<fstream>"},
- {"std::basic_ofstream", "<fstream>"},
{"std::filebuf", "<fstream>"},
- {"std::fstream", "<fstream>"},
- {"std::ifstream", "<fstream>"},
- {"std::ofstream", "<fstream>"},
{"std::wfilebuf", "<fstream>"},
- {"std::wfstream", "<fstream>"},
- {"std::wifstream", "<fstream>"},
- {"std::wofstream", "<fstream>"},
- {"std::basic_ios", "<ios>"},
- {"std::ios", "<ios>"},
- {"std::wios", "<ios>"},
- {"std::basic_iostream", "<iostream>"},
- {"std::iostream", "<iostream>"},
- {"std::wiostream", "<iostream>"},
{"std::basic_istream", "<istream>"},
{"std::istream", "<istream>"},
{"std::wistream", "<istream>"},
- {"std::istreambuf_iterator", "<iterator>"},
- {"std::ostreambuf_iterator", "<iterator>"},
{"std::basic_ostream", "<ostream>"},
{"std::ostream", "<ostream>"},
{"std::wostream", "<ostream>"},
- {"std::basic_istringstream", "<sstream>"},
- {"std::basic_ostringstream", "<sstream>"},
- {"std::basic_stringbuf", "<sstream>"},
- {"std::basic_stringstream", "<sstream>"},
- {"std::istringstream", "<sstream>"},
- {"std::ostringstream", "<sstream>"},
- {"std::string", "<string>"},
- {"std::stringbuf", "<sstream>"},
- {"std::stringstream", "<sstream>"},
- {"std::wistringstream", "<sstream>"},
- {"std::wostringstream", "<sstream>"},
- {"std::wstringbuf", "<sstream>"},
- {"std::wstringstream", "<sstream>"},
- {"std::basic_streambuf", "<streambuf>"},
- {"std::streambuf", "<streambuf>"},
- {"std::wstreambuf", "<streambuf>"},
{"std::uint_least16_t", "<cstdint>"}, // <type_traits> redeclares these
{"std::uint_least32_t", "<cstdint>"},
- {"std::declval", "<utility>"},
+#define SYMBOL(Name, NameSpace, Header) { #NameSpace#Name, #Header },
+ #include "StdSymbolMap.inc"
+#undef SYMBOL
};
for (const auto &Pair : SymbolMap)
Includes->addSymbolMapping(Pair.first, Pair.second);
Index: clangd/include-mapping/test.py
===================================================================
--- /dev/null
+++ clangd/include-mapping/test.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python
+#===- test.py - ---------------------------------------------*- python -*--===#
+#
+# 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
+#
+#===------------------------------------------------------------------------===#
+
+from gen_std import ParseSymbolPage, ParseIndexPage
+
+import unittest
+
+class TestStdGen(unittest.TestCase):
+
+ def testParseIndexPage(self):
+ html = """
+ <a href="abs.html" title="abs"><tt>abs()</tt></a> (int) <br>
+ <a href="complex/abs.html" title="abs"><tt>abs<>()</tt></a> (std::complex) <br>
+ <a href="acos.html" title="acos"><tt>acos()</tt></a> <br>
+ <a href="acosh.html" title="acosh"><tt>acosh()</tt></a> <span class="t-mark-rev">(since C++11)</span> <br>
+ <a href="as_bytes.html" title="as bytes"><tt>as_bytes<>()</tt></a> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> <br>
+ """
+
+ actual = ParseIndexPage(html)
+ expected = [
+ ("abs", "abs.html"),
+ ("abs", "complex/abs.html"),
+ ("acos", "acos.html"),
+ ("acosh", "acosh.html"),
+ ("as_bytes", "as_bytes.html"),
+ ]
+ self.assertEqual(len(actual), len(expected))
+ for i in range(0, len(actual)):
+ self.assertEqual(expected[i][0], actual[i][0])
+ self.assertTrue(actual[i][1].endswith(expected[i][1]))
+
+
+ def testParseSymbolPage_SingleHeader(self):
+ # Defined in header <cmath>
+ html = """
+ <table class="t-dcl-begin"><tbody>
+ <tr class="t-dsc-header">
+ <td> <div>Defined in header <code><a href="cmath.html" title="cmath"><cmath></a></code>
+ </div></td>
+ <td></td>
+ <td></td>
+ </tr>
+</tbody></table>
+"""
+ self.assertEqual(ParseSymbolPage(html), ['<cmath>'])
+
+
+ def testParseSymbolPage_MulHeaders(self):
+ # Defined in header <cstddef>
+ # Defined in header <cstdio>
+ # Defined in header <cstdlib>
+ html = """
+<table class="t-dcl-begin"><tbody>
+ <tr class="t-dsc-header">
+ <td> <div>Defined in header <code><a href="cstddef.html" title="cstddef"><cstddef></a></code>
+ </div></td>
+ <td></td>
+ <td></td>
+ </tr>
+ <tr class="t-dsc-header">
+ <td> <div>Defined in header <code><a href="cstdio.html" title="cstdio"><cstdio></a></code>
+ </div></td>
+ <td></td>
+ <td></td>
+ </tr>
+ <tr class="t-dsc-header">
+ <td> <div>Defined in header <code><a href=".cstdlib.html" title="ccstdlib"><cstdlib></a></code>
+ </div></td>
+ <td></td>
+ <td></td>
+ </tr>
+</tbody></table>
+"""
+ self.assertEqual(ParseSymbolPage(html),
+ ['<cstddef>', '<cstdio>', '<cstdlib>'])
+
+
+ def testParseSymbolPage_MulHeadersInSameDiv(self):
+ # Multile <code> blocks in a Div.
+ # Defined in header <algorithm>
+ # Defined in header <utility>
+ html = """
+<tr class="t-dsc-header">
+<td><div>
+ Defined in header <code><a href="../header/algorithm.html" title="cpp/header/algorithm"><algorithm></a></code><br>
+ Defined in header <code><a href="../header/utility.html" title="cpp/header/utility"><utility></a></code>
+</div></td>
+<td></td>
+</tr>
+"""
+ self.assertEqual(ParseSymbolPage(html), ['<algorithm>', '<utility>'])
+
+
+if __name__ == '__main__':
+ unittest.main()
Index: clangd/include-mapping/gen_std.py
===================================================================
--- /dev/null
+++ clangd/include-mapping/gen_std.py
@@ -0,0 +1,149 @@
+#!/usr/bin/env python
+#===- gen_std.py - ------------------------------------------*- python -*--===#
+#
+# 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
+#
+#===------------------------------------------------------------------------===#
+
+"""gen_std.py is a tool to generate a lookup table (from qualified names to
+include headers) for C++ Standard Library symbols by parsing archieved HTML
+files from cppreference.
+
+Caveats and FIXMEs:
+ - only symbols directly in "std" namespace are added, we should also add std's
+ subnamespace symbols (e.g. chrono).
+ - symbols with multiple variants or defined in multiple headers aren't added,
+ e.g. std::move, std::swap
+
+Usage:
+ 1. Install BeautifulSoup dependency, see instruction:
+ https://www.crummy.com/software/BeautifulSoup/bs4/doc/#installing-beautiful-soup
+ 2. Download cppreference offline HTML files (e.g. html_book_20181028.zip) at
+ https://en.cppreference.com/w/Cppreference:Archives
+ 3. Unzip the zip file from step 2 to directory </cppreference>, you should
+ get a "reference" directory in </cppreference>
+ 4. Run the command:
+ gen_std.py -cppreference </cppreference/reference> > StdSymbolMap.inc
+"""
+
+from bs4 import BeautifulSoup
+
+import argparse
+import datetime
+import os
+import sys
+
+STDGEN_CODE_PREFIX = """\
+//===-- gen_std.py generated file -------------------------------*- C++ -*-===//
+//
+// Used to build a lookup table (qualified names => include headers) for C++
+// Standard Library symbols.
+//
+// Automatically generated file, DO NOT EDIT!
+//
+// Generated from cppreference offline HTML book v%s.
+//===----------------------------------------------------------------------===//
+"""
+
+def ParseSymbolPage(symbol_page_html):
+ """Parse symbol page and retrieve the include header defined in this page.
+ The symbol page provides header for the symbol, specifically in
+ "Defined in header <header>" section. An example:
+
+ <tr class="t-dsc-header">
+ <td colspan="2"> <div>Defined in header <code><ratio></code> </div>
+ </td></tr>
+
+ Returns a list of headers.
+ """
+ headers = []
+
+ soup = BeautifulSoup(symbol_page_html, "html.parser")
+ # "Defined in header " are defined in <tr class="t-dsc-header"> or
+ # <tr class="t-dcl-header">.
+ for header_tr in soup.select('tr.t-dcl-header,tr.t-dsc-header'):
+ if "Defined in header " in header_tr.text:
+ # The interesting header content (e.g. <cstdlib>) is wrapped in <code>.
+ for header_code in header_tr.find_all("code"):
+ headers.append(header_code.text)
+ return headers
+
+
+def ParseIndexPage(index_page_html):
+ """Parse index page.
+ The index page lists all std symbols and hrefs to their detailed pages
+ (which contain the defined header). An example:
+
+ <a href="abs.html" title="abs"><tt>abs()</tt></a> (int) <br>
+ <a href="acos.html" title="acos"><tt>acos()</tt></a> <br>
+
+ Returns a list of tuple (symbol_name, relative_path_to_symbol_page).
+ """
+ symbols = []
+ soup = BeautifulSoup(index_page_html, "html.parser")
+ for symbol_href in soup.select("a[title]"):
+ symbol_tt = symbol_href.find("tt")
+ if symbol_tt:
+ symbols.append((symbol_tt.text.rstrip("<>()"), # strip any trailing <>()
+ symbol_href["href"]))
+ return symbols
+
+
+def ParseArg():
+ parser = argparse.ArgumentParser(description='Generate StdGen file')
+ parser.add_argument('-cppreference', metavar='PATH',
+ default='',
+ help='path to the cppreference offline HTML directory',
+ required=True
+ )
+ return parser.parse_args()
+
+
+def main():
+ args = ParseArg()
+ cpp_reference_root = args.cppreference
+ cpp_symbol_root = os.path.join(cpp_reference_root, "en", "cpp")
+ index_page_path = os.path.join(cpp_symbol_root, "symbol_index.html")
+ if not os.path.exists(index_page_path):
+ exit("Path %s doesn't exist!" % index_page_path)
+
+ # We don't have version information from the unzipped offline HTML files.
+ # so we use the modified time of the symbol_index.html as the version.
+ cppreference_version = datetime.datetime.fromtimestamp(
+ os.stat(index_page_path).st_mtime).strftime('%Y-%m-%d')
+
+ # Workflow steps:
+ # 1. Parse index page which lists all symbols to get symbol
+ # name (unqualified name) and its href link to the symbol page which
+ # contains the defined header.
+ # 2. Parse the symbol page to get the defined header.
+
+ # A map from symbol name to a set of headers.
+ symbols = {}
+ with open(index_page_path, "r") as f:
+ for symbol_name, symbol_page_path in ParseIndexPage(f.read()):
+ with open(os.path.join(cpp_symbol_root, symbol_page_path), "r") as f:
+ headers = ParseSymbolPage(f.read())
+ if len(headers) == 0:
+ sys.stderr.write("No header found for symbol %s at %s\n" % (symbol_name,
+ symbol_page_path))
+ continue
+
+ if symbol_name not in symbols:
+ symbols[symbol_name] = set()
+ symbols[symbol_name].update(headers)
+
+ # Emit results to stdout.
+ print STDGEN_CODE_PREFIX % cppreference_version
+ for name, headers in sorted(symbols.items(), key=lambda t : t[0]):
+ if len(headers) > 1:
+ # FIXME: support symbols with multiple headers (e.g. std::move).
+ continue
+ # SYMBOL(unqualified_name, namespace, header)
+ print "SYMBOL(%s, %s, %s)" % (name, "std::", list(headers)[0])
+
+
+if __name__ == '__main__':
+ main()
Index: clangd/StdSymbolMap.inc
===================================================================
--- /dev/null
+++ clangd/StdSymbolMap.inc
@@ -0,0 +1,1226 @@
+//===-- gen_std.py generated file -------------------------------*- C++ -*-===//
+//
+// Used to build a lookup table (qualified names => include headers) for C++
+// Standard Library symbols.
+//
+// Automatically generated file, DO NOT EDIT!
+//
+// Generated from cppreference offline HTML book v2018-10-28.
+//===----------------------------------------------------------------------===//
+
+SYMBOL(Assignable, std::, <concepts>)
+SYMBOL(Boolean, std::, <concepts>)
+SYMBOL(Common, std::, <concepts>)
+SYMBOL(CommonReference, std::, <concepts>)
+SYMBOL(Constructible, std::, <concepts>)
+SYMBOL(ConvertibleTo, std::, <concepts>)
+SYMBOL(CopyConstructible, std::, <concepts>)
+SYMBOL(Copyable, std::, <concepts>)
+SYMBOL(DefaultConstructible, std::, <concepts>)
+SYMBOL(DerivedFrom, std::, <concepts>)
+SYMBOL(Destructible, std::, <concepts>)
+SYMBOL(EqualityComparable, std::, <concepts>)
+SYMBOL(EqualityComparableWith, std::, <concepts>)
+SYMBOL(FILE, std::, <cstdio>)
+SYMBOL(Integral, std::, <concepts>)
+SYMBOL(Invocable, std::, <concepts>)
+SYMBOL(Movable, std::, <concepts>)
+SYMBOL(MoveConstructible, std::, <concepts>)
+SYMBOL(Predicate, std::, <concepts>)
+SYMBOL(Regular, std::, <concepts>)
+SYMBOL(RegularInvocable, std::, <concepts>)
+SYMBOL(Relation, std::, <concepts>)
+SYMBOL(Same, std::, <concepts>)
+SYMBOL(Semiregular, std::, <concepts>)
+SYMBOL(SignedIntegral, std::, <concepts>)
+SYMBOL(StrictTotallyOrdered, std::, <concepts>)
+SYMBOL(StrictTotallyOrderedWith, std::, <concepts>)
+SYMBOL(StrictWeakOrder, std::, <concepts>)
+SYMBOL(Swappable, std::, <concepts>)
+SYMBOL(SwappableWith, std::, <concepts>)
+SYMBOL(UniformRandomBitGenerator, std::, <random>)
+SYMBOL(UnsignedIntegral, std::, <concepts>)
+SYMBOL(_Exit, std::, <cstdlib>)
+SYMBOL(accumulate, std::, <numeric>)
+SYMBOL(add_const, std::, <type_traits>)
+SYMBOL(add_const_t, std::, <type_traits>)
+SYMBOL(add_cv, std::, <type_traits>)
+SYMBOL(add_cv_t, std::, <type_traits>)
+SYMBOL(add_lvalue_reference, std::, <type_traits>)
+SYMBOL(add_lvalue_reference_t, std::, <type_traits>)
+SYMBOL(add_pointer, std::, <type_traits>)
+SYMBOL(add_pointer_t, std::, <type_traits>)
+SYMBOL(add_rvalue_reference, std::, <type_traits>)
+SYMBOL(add_rvalue_reference_t, std::, <type_traits>)
+SYMBOL(add_volatile, std::, <type_traits>)
+SYMBOL(add_volatile_t, std::, <type_traits>)
+SYMBOL(addressof, std::, <memory>)
+SYMBOL(adjacent_difference, std::, <numeric>)
+SYMBOL(adjacent_find, std::, <algorithm>)
+SYMBOL(adopt_lock, std::, <mutex>)
+SYMBOL(adopt_lock_t, std::, <mutex>)
+SYMBOL(advance, std::, <iterator>)
+SYMBOL(align, std::, <memory>)
+SYMBOL(align_val_t, std::, <new>)
+SYMBOL(aligned_alloc, std::, <cstdlib>)
+SYMBOL(aligned_storage, std::, <type_traits>)
+SYMBOL(aligned_storage_t, std::, <type_traits>)
+SYMBOL(aligned_union, std::, <type_traits>)
+SYMBOL(aligned_union_t, std::, <type_traits>)
+SYMBOL(alignment_of, std::, <type_traits>)
+SYMBOL(alignment_of_v, std::, <type_traits>)
+SYMBOL(all_of, std::, <algorithm>)
+SYMBOL(allocate_shared, std::, <memory>)
+SYMBOL(allocator, std::, <memory>)
+SYMBOL(allocator_arg, std::, <memory>)
+SYMBOL(allocator_arg_t, std::, <memory>)
+SYMBOL(allocator_traits, std::, <memory>)
+SYMBOL(any, std::, <any>)
+SYMBOL(any_of, std::, <algorithm>)
+SYMBOL(apply, std::, <tuple>)
+SYMBOL(arg, std::, <complex>)
+SYMBOL(array, std::, <array>)
+SYMBOL(as_const, std::, <utility>)
+SYMBOL(asctime, std::, <ctime>)
+SYMBOL(async, std::, <future>)
+SYMBOL(at_quick_exit, std::, <cstdlib>)
+SYMBOL(atexit, std::, <cstdlib>)
+SYMBOL(atof, std::, <cstdlib>)
+SYMBOL(atoi, std::, <cstdlib>)
+SYMBOL(atol, std::, <cstdlib>)
+SYMBOL(atoll, std::, <cstdlib>)
+SYMBOL(atomic_compare_exchange_strong, std::, <atomic>)
+SYMBOL(atomic_compare_exchange_strong_explicit, std::, <atomic>)
+SYMBOL(atomic_compare_exchange_weak, std::, <atomic>)
+SYMBOL(atomic_compare_exchange_weak_explicit, std::, <atomic>)
+SYMBOL(atomic_exchange, std::, <atomic>)
+SYMBOL(atomic_exchange_explicit, std::, <atomic>)
+SYMBOL(atomic_fetch_add, std::, <atomic>)
+SYMBOL(atomic_fetch_add_explicit, std::, <atomic>)
+SYMBOL(atomic_fetch_and, std::, <atomic>)
+SYMBOL(atomic_fetch_and_explicit, std::, <atomic>)
+SYMBOL(atomic_fetch_or, std::, <atomic>)
+SYMBOL(atomic_fetch_or_explicit, std::, <atomic>)
+SYMBOL(atomic_fetch_sub, std::, <atomic>)
+SYMBOL(atomic_fetch_sub_explicit, std::, <atomic>)
+SYMBOL(atomic_fetch_xor, std::, <atomic>)
+SYMBOL(atomic_fetch_xor_explicit, std::, <atomic>)
+SYMBOL(atomic_flag, std::, <atomic>)
+SYMBOL(atomic_flag_clear, std::, <atomic>)
+SYMBOL(atomic_flag_clear_explicit, std::, <atomic>)
+SYMBOL(atomic_flag_test_and_set, std::, <atomic>)
+SYMBOL(atomic_flag_test_and_set_explicit, std::, <atomic>)
+SYMBOL(atomic_init, std::, <atomic>)
+SYMBOL(atomic_is_lockfree, std::, <atomic>)
+SYMBOL(atomic_load, std::, <atomic>)
+SYMBOL(atomic_load_explicit, std::, <atomic>)
+SYMBOL(atomic_ref, std::, <atomic>)
+SYMBOL(atomic_signal_fence, std::, <atomic>)
+SYMBOL(atomic_store, std::, <atomic>)
+SYMBOL(atomic_store_explicit, std::, <atomic>)
+SYMBOL(atomic_thread_fence, std::, <atomic>)
+SYMBOL(atto, std::, <ratio>)
+SYMBOL(auto_ptr, std::, <memory>)
+SYMBOL(back_insert_iterator, std::, <iterator>)
+SYMBOL(back_inserter, std::, <iterator>)
+SYMBOL(bad_alloc, std::, <new>)
+SYMBOL(bad_any_cast, std::, <any>)
+SYMBOL(bad_array_new_length, std::, <new>)
+SYMBOL(bad_cast, std::, <typeinfo>)
+SYMBOL(bad_exception, std::, <exception>)
+SYMBOL(bad_function_call, std::, <functional>)
+SYMBOL(bad_optional_access, std::, <optional>)
+SYMBOL(bad_typeid, std::, <typeinfo>)
+SYMBOL(bad_variant_access, std::, <variant>)
+SYMBOL(bad_weak_ptr, std::, <memory>)
+SYMBOL(basic_common_reference, std::, <type_traits>)
+SYMBOL(basic_fstream, std::, <fstream>)
+SYMBOL(basic_ifstream, std::, <fstream>)
+SYMBOL(basic_ios, std::, <ios>)
+SYMBOL(basic_iostream, std::, <istream>)
+SYMBOL(basic_istringstream, std::, <sstream>)
+SYMBOL(basic_ofstream, std::, <fstream>)
+SYMBOL(basic_ostringstream, std::, <sstream>)
+SYMBOL(basic_osyncstream, std::, <syncstream>)
+SYMBOL(basic_regex, std::, <regex>)
+SYMBOL(basic_streambuf, std::, <streambuf>)
+SYMBOL(basic_string, std::, <string>)
+SYMBOL(basic_string_view, std::, <string_view>)
+SYMBOL(basic_stringbuf, std::, <sstream>)
+SYMBOL(basic_stringstream, std::, <sstream>)
+SYMBOL(basic_syncbuf, std::, <syncstream>)
+SYMBOL(begin, std::, <iterator>)
+SYMBOL(bernoulli_distribution, std::, <random>)
+SYMBOL(bidirectional_iterator_tag, std::, <iterator>)
+SYMBOL(binary_search, std::, <algorithm>)
+SYMBOL(bind, std::, <functional>)
+SYMBOL(binomial_distribution, std::, <random>)
+SYMBOL(bit_and, std::, <functional>)
+SYMBOL(bit_cast, std::, <bit>)
+SYMBOL(bit_not, std::, <functional>)
+SYMBOL(bit_or, std::, <functional>)
+SYMBOL(bit_xor, std::, <functional>)
+SYMBOL(bitset, std::, <bitset>)
+SYMBOL(bool_constant, std::, <type_traits>)
+SYMBOL(boolalpha, std::, <ios>)
+SYMBOL(boyer_moore_horspool_searcher, std::, <functional>)
+SYMBOL(boyer_moore_searcher, std::, <functional>)
+SYMBOL(bsearch, std::, <cstdlib>)
+SYMBOL(btowc, std::, <cwchar>)
+SYMBOL(byte, std::, <cstddef>)
+SYMBOL(c16rtomb, std::, <cuchar>)
+SYMBOL(c32rtomb, std::, <cuchar>)
+SYMBOL(call_once, std::, <mutex>)
+SYMBOL(calloc, std::, <cstdlib>)
+SYMBOL(cauchy_distribution, std::, <random>)
+SYMBOL(cbegin, std::, <iterator>)
+SYMBOL(cbrt, std::, <cmath>)
+SYMBOL(ceil, std::, <cmath>)
+SYMBOL(ceil2, std::, <bit>)
+SYMBOL(cend, std::, <iterator>)
+SYMBOL(centi, std::, <ratio>)
+SYMBOL(cerr, std::, <iostream>)
+SYMBOL(char_traits, std::, <string>)
+SYMBOL(chars_format, std::, <charconv>)
+SYMBOL(chi_squared_distribution, std::, <random>)
+SYMBOL(cin, std::, <iostream>)
+SYMBOL(clamp, std::, <algorithm>)
+SYMBOL(clearerr, std::, <cstdio>)
+SYMBOL(clock, std::, <ctime>)
+SYMBOL(clock_t, std::, <ctime>)
+SYMBOL(clog, std::, <iostream>)
+SYMBOL(cmatch, std::, <regex>)
+SYMBOL(codecvt, std::, <locale>)
+SYMBOL(codecvt_base, std::, <locale>)
+SYMBOL(codecvt_byname, std::, <locale>)
+SYMBOL(codecvt_utf16, std::, <codecvt>)
+SYMBOL(codecvt_utf8, std::, <codecvt>)
+SYMBOL(codecvt_utf8_utf16, std::, <codecvt>)
+SYMBOL(collate, std::, <locale>)
+SYMBOL(collate_byname, std::, <locale>)
+SYMBOL(common_comparison_category, std::, <compare>)
+SYMBOL(common_comparison_category_t, std::, <compare>)
+SYMBOL(common_reference, std::, <type_traits>)
+SYMBOL(common_reference_t, std::, <type_traits>)
+SYMBOL(common_type, std::, <type_traits>)
+SYMBOL(common_type_t, std::, <type_traits>)
+SYMBOL(compare_3way, std::, <algorithm>)
+SYMBOL(complex, std::, <complex>)
+SYMBOL(condition_variable, std::, <condition_variable>)
+SYMBOL(condition_variable_any, std::, <condition_variable>)
+SYMBOL(conditional, std::, <type_traits>)
+SYMBOL(conditional_t, std::, <type_traits>)
+SYMBOL(conj, std::, <complex>)
+SYMBOL(conjunction, std::, <type_traits>)
+SYMBOL(conjunction_v, std::, <type_traits>)
+SYMBOL(const_pointer_cast, std::, <memory>)
+SYMBOL(contract_violation, std::, <contract>)
+SYMBOL(copy, std::, <algorithm>)
+SYMBOL(copy_backward, std::, <algorithm>)
+SYMBOL(copy_if, std::, <algorithm>)
+SYMBOL(copy_n, std::, <algorithm>)
+SYMBOL(copysign, std::, <cmath>)
+SYMBOL(count, std::, <algorithm>)
+SYMBOL(count_if, std::, <algorithm>)
+SYMBOL(cout, std::, <iostream>)
+SYMBOL(crbegin, std::, <iterator>)
+SYMBOL(cref, std::, <functional>)
+SYMBOL(cregex_iterator, std::, <regex>)
+SYMBOL(cregex_token_iterator, std::, <regex>)
+SYMBOL(crend, std::, <iterator>)
+SYMBOL(csub_match, std::, <regex>)
+SYMBOL(ctime, std::, <ctime>)
+SYMBOL(ctype, std::, <locale>)
+SYMBOL(ctype_base, std::, <locale>)
+SYMBOL(ctype_byname, std::, <locale>)
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+SYMBOL(wsmatch, std::, <regex>)
+SYMBOL(wsregex_iterator, std::, <regex>)
+SYMBOL(wsregex_token_iterator, std::, <regex>)
+SYMBOL(wssub_match, std::, <regex>)
+SYMBOL(wstreambuf, std::, <streambuf>)
+SYMBOL(wstreampos, std::, <ios>)
+SYMBOL(wstring, std::, <string>)
+SYMBOL(wstring_convert, std::, <locale>)
+SYMBOL(wstring_view, std::, <string_view>)
+SYMBOL(wstringbuf, std::, <sstream>)
+SYMBOL(wstringstream, std::, <sstream>)
+SYMBOL(wsyncbuf, std::, <syncstream>)
+SYMBOL(yocto, std::, <ratio>)
+SYMBOL(yotta, std::, <ratio>)
+SYMBOL(zepto, std::, <ratio>)
+SYMBOL(zetta, std::, <ratio>)
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