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Diffstat (limited to 'cutl/details/boost/regex/src/regex.cxx')
| -rw-r--r-- | cutl/details/boost/regex/src/regex.cxx | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/cutl/details/boost/regex/src/regex.cxx b/cutl/details/boost/regex/src/regex.cxx new file mode 100644 index 0000000..0f3938e --- /dev/null +++ b/cutl/details/boost/regex/src/regex.cxx @@ -0,0 +1,226 @@ +/* + * + * Copyright (c) 1998-2004 + * John Maddock + * + * Use, modification and distribution are subject to the + * Boost Software License, Version 1.0. (See accompanying file + * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + * + */ + + /* + * LOCATION: see http://www.boost.org for most recent version. + * FILE: regex.cpp + * VERSION: see <cutl/details/boost/version.hpp> + * DESCRIPTION: Misc cutl_details_boost::regbase member funnctions. + */ + + +#define BOOST_REGEX_SOURCE + +#include <new> +#include <cutl/details/boost/regex.hpp> +#include <cutl/details/boost/throw_exception.hpp> + +#if defined(BOOST_REGEX_HAS_MS_STACK_GUARD) && defined(_MSC_VER) && (_MSC_VER >= 1300) +# include <malloc.h> +#endif +#ifdef BOOST_REGEX_HAS_MS_STACK_GUARD +#define WIN32_LEAN_AND_MEAN +#ifndef NOMINMAX +# define NOMINMAX +#endif +#define NOGDI +#define NOUSER +#include <windows.h> +#endif + +#if defined(BOOST_REGEX_NON_RECURSIVE) && !defined(BOOST_REGEX_V3) +#if BOOST_REGEX_MAX_CACHE_BLOCKS == 0 +#include <new> +#else +#include <cutl/details/boost/regex/v4/mem_block_cache.hpp> +#endif +#endif + +#ifdef BOOST_INTEL +#pragma warning(disable:383) +#endif + +namespace cutl_details_boost{ + +// +// fix: these are declared out of line here to ensure +// that dll builds contain the Virtual table for these +// types - this ensures that exceptions can be thrown +// from the dll and caught in an exe. +regex_error::regex_error(const std::string& s, regex_constants::error_type err, std::ptrdiff_t pos) + : std::runtime_error(s) + , m_error_code(err) + , m_position(pos) +{ +} + +regex_error::regex_error(regex_constants::error_type err) + : std::runtime_error(::cutl_details_boost::re_detail::get_default_error_string(err)) + , m_error_code(err) + , m_position(0) +{ +} + +regex_error::~regex_error() throw() +{ +} + +void regex_error::raise()const +{ +#ifndef BOOST_NO_EXCEPTIONS + ::cutl_details_boost::throw_exception(*this); +#endif +} + + + +namespace re_detail{ + +BOOST_REGEX_DECL void BOOST_REGEX_CALL raise_runtime_error(const std::runtime_error& ex) +{ + ::cutl_details_boost::throw_exception(ex); +} +// +// error checking API: +// +BOOST_REGEX_DECL void BOOST_REGEX_CALL verify_options(cutl_details_boost::regex::flag_type /*ef*/, match_flag_type mf) +{ +#ifndef BOOST_REGEX_V3 + // + // can't mix match_extra with POSIX matching rules: + // + if((mf & match_extra) && (mf & match_posix)) + { + std::logic_error msg("Usage Error: Can't mix regular expression captures with POSIX matching rules"); + throw_exception(msg); + } +#endif +} + +#ifdef BOOST_REGEX_HAS_MS_STACK_GUARD + +static void execute_eror() +{ + // we only get here after a stack overflow, + // this has to be a separate proceedure because we + // can't mix __try{}__except block with local objects + // that have destructors: + reset_stack_guard_page(); + std::runtime_error err("Out of stack space, while attempting to match a regular expression."); + raise_runtime_error(err); +} + +bool BOOST_REGEX_CALL abstract_protected_call::execute()const +{ + __try{ + return this->call(); + }__except(EXCEPTION_STACK_OVERFLOW == GetExceptionCode()) + { + execute_eror(); + } + // We never really get here at all: + return false; +} + +BOOST_REGEX_DECL void BOOST_REGEX_CALL reset_stack_guard_page() +{ +#if defined(BOOST_REGEX_HAS_MS_STACK_GUARD) && defined(_MSC_VER) && (_MSC_VER >= 1300) + _resetstkoflw(); +#else + // + // We need to locate the current page being used by the stack, + // move to the page below it and then deallocate and protect + // that page. Note that ideally we would protect only the lowest + // stack page that has been allocated: in practice there + // seems to be no easy way to locate this page, in any case as + // long as the next page is protected, then Windows will figure + // the rest out for us... + // + SYSTEM_INFO si; + GetSystemInfo(&si); + MEMORY_BASIC_INFORMATION mi; + DWORD previous_protection_status; + // + // this is an address in our stack space: + // + LPBYTE page = (LPBYTE)&page; + // + // Get the current memory page in use: + // + VirtualQuery(page, &mi, sizeof(mi)); + // + // Go to the page one below this: + // + page = (LPBYTE)(mi.BaseAddress)-si.dwPageSize; + // + // Free and protect everything from the start of the + // allocation range, to the end of the page below the + // one in use: + // + if (!VirtualFree(mi.AllocationBase, (LPBYTE)page - (LPBYTE)mi.AllocationBase, MEM_DECOMMIT) + || !VirtualProtect(page, si.dwPageSize, PAGE_GUARD | PAGE_READWRITE, &previous_protection_status)) + { + throw std::bad_exception(); + } +#endif +} +#endif + +#if defined(BOOST_REGEX_NON_RECURSIVE) && !defined(BOOST_REGEX_V3) + +#if BOOST_REGEX_MAX_CACHE_BLOCKS == 0 + +BOOST_REGEX_DECL void* BOOST_REGEX_CALL get_mem_block() +{ + return ::operator new(BOOST_REGEX_BLOCKSIZE); +} + +BOOST_REGEX_DECL void BOOST_REGEX_CALL put_mem_block(void* p) +{ + ::operator delete(p); +} + +#else + +#ifdef BOOST_HAS_THREADS +mem_block_cache block_cache = { 0, 0, BOOST_STATIC_MUTEX_INIT, }; +#else +mem_block_cache block_cache = { 0, 0, }; +#endif + +BOOST_REGEX_DECL void* BOOST_REGEX_CALL get_mem_block() +{ + return block_cache.get(); +} + +BOOST_REGEX_DECL void BOOST_REGEX_CALL put_mem_block(void* p) +{ + block_cache.put(p); +} + +#endif + +#endif + +} // namespace re_detail + + + +} // namespace cutl_details_boost + +#if defined(BOOST_RE_USE_VCL) && defined(BOOST_REGEX_DYN_LINK) + +int WINAPI DllEntryPoint(HINSTANCE , unsigned long , void*) +{ + return 1; +} +#endif + |