mirror of
https://github.com/NixOS/nix.git
synced 2024-11-22 06:42:28 +00:00
Merge pull request #7762 from yorickvP/boost-regex
Switch from std::regex to boost::regex
This commit is contained in:
Théophane Hufschmitt
GitHub
commit
d46230eff5
22
flake.nix
22
flake.nix
@ -154,7 +154,7 @@
|
||||
|
||||
configureFlags =
|
||||
lib.optionals stdenv.isLinux [
|
||||
"--with-boost=${boost}/lib"
|
||||
"--with-boost=${boost-nix}/lib"
|
||||
"--with-sandbox-shell=${sh}/bin/busybox"
|
||||
]
|
||||
++ lib.optionals (stdenv.isLinux && !(isStatic && stdenv.system == "aarch64-linux")) [
|
||||
@ -202,7 +202,7 @@
|
||||
version = libgit2.lastModifiedDate;
|
||||
cmakeFlags = (attrs.cmakeFlags or []) ++ ["-DUSE_SSH=exec"];
|
||||
}))
|
||||
boost
|
||||
boost-nix
|
||||
lowdown-nix
|
||||
libsodium
|
||||
]
|
||||
@ -423,14 +423,14 @@
|
||||
|
||||
propagatedBuildInputs = propagatedDeps;
|
||||
|
||||
disallowedReferences = [ boost ];
|
||||
disallowedReferences = [ boost-nix ];
|
||||
|
||||
preConfigure = lib.optionalString (! currentStdenv.hostPlatform.isStatic)
|
||||
''
|
||||
# Copy libboost_context so we don't get all of Boost in our closure.
|
||||
# https://github.com/NixOS/nixpkgs/issues/45462
|
||||
mkdir -p $out/lib
|
||||
cp -pd ${boost}/lib/{libboost_context*,libboost_thread*,libboost_system*} $out/lib
|
||||
cp -pd ${boost-nix}/lib/{libboost_context*,libboost_thread*,libboost_system*,libboost_regex*} $out/lib
|
||||
rm -f $out/lib/*.a
|
||||
${lib.optionalString currentStdenv.hostPlatform.isLinux ''
|
||||
chmod u+w $out/lib/*.so.*
|
||||
@ -440,9 +440,9 @@
|
||||
for LIB in $out/lib/*.dylib; do
|
||||
chmod u+w $LIB
|
||||
install_name_tool -id $LIB $LIB
|
||||
install_name_tool -delete_rpath ${boost}/lib/ $LIB || true
|
||||
install_name_tool -delete_rpath ${boost-nix}/lib/ $LIB || true
|
||||
done
|
||||
install_name_tool -change ${boost}/lib/libboost_system.dylib $out/lib/libboost_system.dylib $out/lib/libboost_thread.dylib
|
||||
install_name_tool -change ${boost-nix}/lib/libboost_system.dylib $out/lib/libboost_system.dylib $out/lib/libboost_thread.dylib
|
||||
''}
|
||||
'';
|
||||
|
||||
@ -470,9 +470,13 @@
|
||||
''}
|
||||
${lib.optionalString currentStdenv.isDarwin ''
|
||||
install_name_tool \
|
||||
-change ${boost}/lib/libboost_context.dylib \
|
||||
-change ${boost-nix}/lib/libboost_context.dylib \
|
||||
$out/lib/libboost_context.dylib \
|
||||
$out/lib/libnixutil.dylib
|
||||
install_name_tool \
|
||||
-change ${boost-nix}/lib/libboost_regex.dylib \
|
||||
$out/lib/libboost_regex.dylib \
|
||||
$out/lib/libnixexpr.dylib
|
||||
''}
|
||||
'';
|
||||
|
||||
@ -495,6 +499,10 @@
|
||||
meta.mainProgram = "nix";
|
||||
});
|
||||
|
||||
boost-nix = final.boost.override {
|
||||
enableIcu = false;
|
||||
};
|
||||
|
||||
lowdown-nix = with final; currentStdenv.mkDerivation rec {
|
||||
name = "lowdown-0.9.0";
|
||||
|
||||
|
||||
@ -16,7 +16,7 @@ libexpr_CXXFLAGS += -I src/libutil -I src/libstore -I src/libfetchers -I src/lib
|
||||
|
||||
libexpr_LIBS = libutil libstore libfetchers
|
||||
|
||||
libexpr_LDFLAGS += -lboost_context -pthread
|
||||
libexpr_LDFLAGS += -lboost_context -lboost_regex -pthread
|
||||
ifdef HOST_LINUX
|
||||
libexpr_LDFLAGS += -ldl
|
||||
endif
|
||||
|
||||
@ -16,6 +16,7 @@
|
||||
#include "primops.hh"
|
||||
|
||||
#include <boost/container/small_vector.hpp>
|
||||
#include <boost/regex.hpp>
|
||||
#include <nlohmann/json.hpp>
|
||||
|
||||
#include <sys/types.h>
|
||||
@ -24,7 +25,6 @@
|
||||
|
||||
#include <algorithm>
|
||||
#include <cstring>
|
||||
#include <regex>
|
||||
#include <dlfcn.h>
|
||||
|
||||
#include <cmath>
|
||||
@ -3885,19 +3885,30 @@ static RegisterPrimOp primop_convertHash({
|
||||
.fun = prim_convertHash,
|
||||
});
|
||||
|
||||
// regex aliases, switch between boost and std
|
||||
using regex = boost::regex;
|
||||
using regex_error = boost::regex_error;
|
||||
using cmatch = boost::cmatch;
|
||||
using cregex_iterator = boost::cregex_iterator;
|
||||
namespace regex_constants = boost::regex_constants;
|
||||
// overloaded function alias
|
||||
constexpr auto regex_match = [] (auto &&...args) {
|
||||
return boost::regex_match(std::forward<decltype(args)>(args)...);
|
||||
};
|
||||
|
||||
struct RegexCache
|
||||
{
|
||||
// TODO use C++20 transparent comparison when available
|
||||
std::unordered_map<std::string_view, std::regex> cache;
|
||||
std::unordered_map<std::string_view, regex> cache;
|
||||
std::list<std::string> keys;
|
||||
|
||||
std::regex get(std::string_view re)
|
||||
regex get(std::string_view re)
|
||||
{
|
||||
auto it = cache.find(re);
|
||||
if (it != cache.end())
|
||||
return it->second;
|
||||
keys.emplace_back(re);
|
||||
return cache.emplace(keys.back(), std::regex(keys.back(), std::regex::extended)).first->second;
|
||||
return cache.emplace(keys.back(), regex(keys.back(), regex::extended)).first->second;
|
||||
}
|
||||
};
|
||||
|
||||
@ -3917,8 +3928,8 @@ void prim_match(EvalState & state, const PosIdx pos, Value * * args, Value & v)
|
||||
NixStringContext context;
|
||||
const auto str = state.forceString(*args[1], context, pos, "while evaluating the second argument passed to builtins.match");
|
||||
|
||||
std::cmatch match;
|
||||
if (!std::regex_match(str.begin(), str.end(), match, regex)) {
|
||||
cmatch match;
|
||||
if (!regex_match(str.begin(), str.end(), match, regex)) {
|
||||
v.mkNull();
|
||||
return;
|
||||
}
|
||||
@ -3933,8 +3944,8 @@ void prim_match(EvalState & state, const PosIdx pos, Value * * args, Value & v)
|
||||
(v.listElems()[i] = state.allocValue())->mkString(match[i + 1].str());
|
||||
}
|
||||
|
||||
} catch (std::regex_error & e) {
|
||||
if (e.code() == std::regex_constants::error_space) {
|
||||
} catch (regex_error & e) {
|
||||
if (e.code() == regex_constants::error_space) {
|
||||
// limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++
|
||||
state.debugThrowLastTrace(EvalError({
|
||||
.msg = hintfmt("memory limit exceeded by regular expression '%s'", re),
|
||||
@ -3997,8 +4008,8 @@ void prim_split(EvalState & state, const PosIdx pos, Value * * args, Value & v)
|
||||
NixStringContext context;
|
||||
const auto str = state.forceString(*args[1], context, pos, "while evaluating the second argument passed to builtins.split");
|
||||
|
||||
auto begin = std::cregex_iterator(str.begin(), str.end(), regex);
|
||||
auto end = std::cregex_iterator();
|
||||
auto begin = cregex_iterator(str.begin(), str.end(), regex);
|
||||
auto end = cregex_iterator();
|
||||
|
||||
// Any matches results are surrounded by non-matching results.
|
||||
const size_t len = std::distance(begin, end);
|
||||
@ -4037,8 +4048,8 @@ void prim_split(EvalState & state, const PosIdx pos, Value * * args, Value & v)
|
||||
|
||||
assert(idx == 2 * len + 1);
|
||||
|
||||
} catch (std::regex_error & e) {
|
||||
if (e.code() == std::regex_constants::error_space) {
|
||||
} catch (regex_error & e) {
|
||||
if (e.code() == regex_constants::error_space) {
|
||||
// limit is _GLIBCXX_REGEX_STATE_LIMIT for libstdc++
|
||||
state.debugThrowLastTrace(EvalError({
|
||||
.msg = hintfmt("memory limit exceeded by regular expression '%s'", re),
|
||||
|
||||
Loading…
Reference in New Issue
Block a user