projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*============================================================================= |
| 2 | Boost.Wave: A Standard compliant C++ preprocessor library | |
| 3 | ||
| 4 | http://www.boost.org/ | |
| 5 | ||
| 6 | Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost | |
| 7 | Software License, Version 1.0. (See accompanying file | |
| 8 | LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 9 | =============================================================================*/ | |
| 10 | ||
| 20effc67 TL |
11 | #if !defined(BOOST_ITERATION_CONTEXT_HPP_9556CD16_F11E_4ADC_AC8B_FB9A174BE664_INCLUDED) |
| 12 | #define BOOST_ITERATION_CONTEXT_HPP_9556CD16_F11E_4ADC_AC8B_FB9A174BE664_INCLUDED | |
| 7c673cae FG |
13 | |
| 14 | #include <cstdlib> | |
| 15 | #include <cstdio> | |
| 16 | #include <stack> | |
| 17 | ||
| 18 | #include <boost/wave/wave_config.hpp> | |
| 19 | #include <boost/wave/cpp_exceptions.hpp> | |
| 20 | ||
| 21 | // this must occur after all of the includes and before any code appears | |
| 22 | #ifdef BOOST_HAS_ABI_HEADERS | |
| 23 | #include BOOST_ABI_PREFIX | |
| 24 | #endif | |
| 25 | ||
| 26 | /////////////////////////////////////////////////////////////////////////////// | |
| 27 | namespace boost { | |
| 28 | namespace wave { | |
| 29 | namespace util { | |
| 30 | ||
| 31 | /////////////////////////////////////////////////////////////////////////////// | |
| 32 | template <typename IterationContextT> | |
| 33 | class iteration_context_stack | |
| 34 | { | |
| 35 | typedef std::stack<IterationContextT> base_type; | |
| 36 | ||
| 37 | public: | |
| 38 | typedef typename base_type::size_type size_type; | |
| 39 | ||
| 40 | iteration_context_stack() | |
| 41 | : max_include_nesting_depth(BOOST_WAVE_MAX_INCLUDE_LEVEL_DEPTH) | |
| 42 | {} | |
| 43 | ||
| 44 | void set_max_include_nesting_depth(size_type new_depth) | |
| 45 | { max_include_nesting_depth = new_depth; } | |
| 46 | size_type get_max_include_nesting_depth() const | |
| 47 | { return max_include_nesting_depth; } | |
| 48 | ||
| 49 | typename base_type::size_type size() const { return iter_ctx.size(); } | |
| 50 | typename base_type::value_type &top() { return iter_ctx.top(); } | |
| 51 | void pop() { iter_ctx.pop(); } | |
| 52 | ||
| 53 | template <typename Context, typename PositionT> | |
| 54 | void push(Context& ctx, PositionT const &pos, | |
| 55 | typename base_type::value_type const &val) | |
| 56 | { | |
| 57 | if (iter_ctx.size() == max_include_nesting_depth) { | |
| 58 | char buffer[22]; // 21 bytes holds all NUL-terminated unsigned 64-bit numbers | |
| 59 | ||
| 60 | using namespace std; // for some systems sprintf is in namespace std | |
| 61 | sprintf(buffer, "%d", (int)max_include_nesting_depth); | |
| 62 | BOOST_WAVE_THROW_CTX(ctx, preprocess_exception, | |
| 63 | include_nesting_too_deep, buffer, pos); | |
| 64 | } | |
| 65 | iter_ctx.push(val); | |
| 66 | } | |
| 67 | ||
| 68 | private: | |
| 69 | size_type max_include_nesting_depth; | |
| 70 | base_type iter_ctx; | |
| 71 | }; | |
| 72 | ||
| 73 | /////////////////////////////////////////////////////////////////////////////// | |
| 74 | } // namespace util | |
| 75 | } // namespace wave | |
| 76 | } // namespace boost | |
| 77 | ||
| 78 | // the suffix header occurs after all of the code | |
| 79 | #ifdef BOOST_HAS_ABI_HEADERS | |
| 80 | #include BOOST_ABI_SUFFIX | |
| 81 | #endif | |
| 82 | ||
| 20effc67 | 83 | #endif // !defined(BOOST_ITERATION_CONTEXT_HPP_9556CD16_F11E_4ADC_AC8B_FB9A174BE664_INCLUDED) |