Added boost header
This commit is contained in:
Christophe Riccio
421
test/external/boost/wave/cpp_exceptions.hpp
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421
test/external/boost/wave/cpp_exceptions.hpp
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/*=============================================================================
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Boost.Wave: A Standard compliant C++ preprocessor library
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http://www.boost.org/
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Copyright (c) 2001-2011 Hartmut Kaiser. Distributed under the Boost
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Software License, Version 1.0. (See accompanying file
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LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#if !defined(CPP_EXCEPTIONS_HPP_5190E447_A781_4521_A275_5134FF9917D7_INCLUDED)
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#define CPP_EXCEPTIONS_HPP_5190E447_A781_4521_A275_5134FF9917D7_INCLUDED
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#include <exception>
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#include <string>
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#include <limits>
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#include <boost/assert.hpp>
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#include <boost/config.hpp>
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#include <boost/throw_exception.hpp>
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#include <boost/wave/wave_config.hpp>
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#include <boost/wave/cpp_throw.hpp>
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// this must occur after all of the includes and before any code appears
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#ifdef BOOST_HAS_ABI_HEADERS
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#include BOOST_ABI_PREFIX
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#endif
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///////////////////////////////////////////////////////////////////////////////
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namespace boost {
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namespace wave {
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///////////////////////////////////////////////////////////////////////////////
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// exception severity
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namespace util {
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enum severity {
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severity_remark = 0,
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severity_warning,
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severity_error,
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severity_fatal,
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severity_commandline_error,
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last_severity_code = severity_commandline_error
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};
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inline char const *
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get_severity(int level)
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{
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static char const *severity_text[] =
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{
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"remark", // severity_remark
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"warning", // severity_warning
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"error", // severity_error
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"fatal error", // severity_fatal
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"command line error" // severity_commandline_error
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};
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BOOST_ASSERT(severity_remark <= level &&
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level <= last_severity_code);
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return severity_text[level];
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// cpp_exception, the base class for all specific C preprocessor exceptions
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class BOOST_SYMBOL_VISIBLE cpp_exception
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: public std::exception
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{
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public:
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cpp_exception(int line_, int column_, char const *filename_) throw()
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: line(line_), column(column_)
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{
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unsigned int off = 0;
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while (off < sizeof(filename)-1 && *filename_)
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filename[off++] = *filename_++;
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filename[off] = 0;
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}
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~cpp_exception() throw() {}
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virtual char const *what() const throw() = 0; // to be overloaded
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virtual char const *description() const throw() = 0;
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virtual int get_errorcode() const throw() = 0;
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virtual int get_severity() const throw() = 0;
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virtual char const* get_related_name() const throw() = 0;
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virtual bool is_recoverable() const throw() = 0;
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int line_no() const throw() { return line; }
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int column_no() const throw() { return column; }
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char const *file_name() const throw() { return filename; }
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protected:
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char filename[512];
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int line;
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int column;
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};
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///////////////////////////////////////////////////////////////////////////////
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// preprocessor error
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class BOOST_SYMBOL_VISIBLE preprocess_exception :
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public cpp_exception
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{
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public:
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enum error_code {
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no_error = 0,
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unexpected_error,
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macro_redefinition,
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macro_insertion_error,
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bad_include_file,
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bad_include_statement,
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ill_formed_directive,
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error_directive,
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warning_directive,
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ill_formed_expression,
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missing_matching_if,
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missing_matching_endif,
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ill_formed_operator,
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bad_define_statement,
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bad_define_statement_va_args,
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too_few_macroarguments,
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too_many_macroarguments,
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empty_macroarguments,
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improperly_terminated_macro,
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bad_line_statement,
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bad_line_number,
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bad_line_filename,
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bad_undefine_statement,
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bad_macro_definition,
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illegal_redefinition,
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duplicate_parameter_name,
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invalid_concat,
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last_line_not_terminated,
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ill_formed_pragma_option,
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include_nesting_too_deep,
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misplaced_operator,
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alreadydefined_name,
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undefined_macroname,
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invalid_macroname,
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unexpected_qualified_name,
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division_by_zero,
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integer_overflow,
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illegal_operator_redefinition,
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ill_formed_integer_literal,
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ill_formed_character_literal,
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unbalanced_if_endif,
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character_literal_out_of_range,
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could_not_open_output_file,
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incompatible_config,
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ill_formed_pragma_message,
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pragma_message_directive,
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last_error_number = pragma_message_directive
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};
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preprocess_exception(char const *what_, error_code code, int line_,
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int column_, char const *filename_) throw()
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: cpp_exception(line_, column_, filename_),
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code(code)
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{
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unsigned int off = 0;
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while (off < sizeof(buffer) && *what_)
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buffer[off++] = *what_++;
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buffer[off] = 0;
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}
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~preprocess_exception() throw() {}
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virtual char const *what() const throw()
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{
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return "boost::wave::preprocess_exception";
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}
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virtual char const *description() const throw()
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{
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return buffer;
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}
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virtual int get_severity() const throw()
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{
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return severity_level(code);
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}
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virtual int get_errorcode() const throw()
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{
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return code;
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}
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virtual char const* get_related_name() const throw()
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{
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return "<unknown>";
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}
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virtual bool is_recoverable() const throw()
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{
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switch (get_errorcode()) {
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// these are the exceptions thrown during processing not supposed to
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// produce any tokens on the context::iterator level
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case preprocess_exception::no_error: // just a placeholder
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case preprocess_exception::macro_redefinition:
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case preprocess_exception::macro_insertion_error:
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case preprocess_exception::bad_macro_definition:
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case preprocess_exception::illegal_redefinition:
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case preprocess_exception::duplicate_parameter_name:
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case preprocess_exception::invalid_macroname:
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case preprocess_exception::bad_include_file:
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case preprocess_exception::bad_include_statement:
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case preprocess_exception::ill_formed_directive:
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case preprocess_exception::error_directive:
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case preprocess_exception::warning_directive:
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case preprocess_exception::ill_formed_expression:
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case preprocess_exception::missing_matching_if:
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case preprocess_exception::missing_matching_endif:
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case preprocess_exception::unbalanced_if_endif:
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case preprocess_exception::bad_define_statement:
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case preprocess_exception::bad_define_statement_va_args:
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case preprocess_exception::bad_line_statement:
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case preprocess_exception::bad_line_number:
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case preprocess_exception::bad_line_filename:
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case preprocess_exception::bad_undefine_statement:
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case preprocess_exception::division_by_zero:
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case preprocess_exception::integer_overflow:
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case preprocess_exception::ill_formed_integer_literal:
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case preprocess_exception::ill_formed_character_literal:
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case preprocess_exception::character_literal_out_of_range:
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case preprocess_exception::last_line_not_terminated:
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case preprocess_exception::include_nesting_too_deep:
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case preprocess_exception::illegal_operator_redefinition:
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case preprocess_exception::incompatible_config:
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case preprocess_exception::ill_formed_pragma_option:
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case preprocess_exception::ill_formed_pragma_message:
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case preprocess_exception::pragma_message_directive:
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return true;
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case preprocess_exception::unexpected_error:
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case preprocess_exception::ill_formed_operator:
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case preprocess_exception::too_few_macroarguments:
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case preprocess_exception::too_many_macroarguments:
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case preprocess_exception::empty_macroarguments:
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case preprocess_exception::improperly_terminated_macro:
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case preprocess_exception::invalid_concat:
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case preprocess_exception::could_not_open_output_file:
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break;
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}
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return false;
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}
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static char const *error_text(int code)
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{
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// error texts in this array must appear in the same order as the items in
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// the error enum above
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static char const *preprocess_exception_errors[] = {
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"no error", // no_error
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"unexpected error (should not happen)", // unexpected_error
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"illegal macro redefinition", // macro_redefinition
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"macro definition failed (out of memory?)", // macro_insertion_error
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"could not find include file", // bad_include_file
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"ill formed #include directive", // bad_include_statement
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"ill formed preprocessor directive", // ill_formed_directive
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"encountered #error directive or #pragma wave stop()", // error_directive
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"encountered #warning directive", // warning_directive
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"ill formed preprocessor expression", // ill_formed_expression
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"the #if for this directive is missing", // missing_matching_if
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"detected at least one missing #endif directive", // missing_matching_endif
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"ill formed preprocessing operator", // ill_formed_operator
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"ill formed #define directive", // bad_define_statement
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"__VA_ARGS__ can only appear in the "
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"expansion of a C99 variadic macro", // bad_define_statement_va_args
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"too few macro arguments", // too_few_macroarguments
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"too many macro arguments", // too_many_macroarguments
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"empty macro arguments are not supported in pure C++ mode, "
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"use variadics mode to allow these", // empty_macroarguments
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"improperly terminated macro invocation "
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"or replacement-list terminates in partial "
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"macro expansion (not supported yet)", // improperly_terminated_macro
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"ill formed #line directive", // bad_line_statement
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"line number argument of #line directive "
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"should consist out of decimal digits "
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"only and must be in range of [1..INT_MAX]", // bad_line_number
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"filename argument of #line directive should "
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"be a narrow string literal", // bad_line_filename
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"#undef may not be used on this predefined name", // bad_undefine_statement
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"invalid macro definition", // bad_macro_definition
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"this predefined name may not be redefined", // illegal_redefinition
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"duplicate macro parameter name", // duplicate_parameter_name
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"pasting the following two tokens does not "
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"give a valid preprocessing token", // invalid_concat
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"last line of file ends without a newline", // last_line_not_terminated
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"unknown or illformed pragma option", // ill_formed_pragma_option
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"include files nested too deep", // include_nesting_too_deep
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"misplaced operator defined()", // misplaced_operator
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"the name is already used in this scope as "
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"a macro or scope name", // alreadydefined_name
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"undefined macro or scope name may not be imported", // undefined_macroname
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"ill formed macro name", // invalid_macroname
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"qualified names are supported in C++0x mode only", // unexpected_qualified_name
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"division by zero in preprocessor expression", // division_by_zero
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"integer overflow in preprocessor expression", // integer_overflow
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"this cannot be used as a macro name as it is "
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"an operator in C++", // illegal_operator_redefinition
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"ill formed integer literal or integer constant too large", // ill_formed_integer_literal
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"ill formed character literal", // ill_formed_character_literal
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"unbalanced #if/#endif in include file", // unbalanced_if_endif
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"expression contains out of range character literal", // character_literal_out_of_range
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"could not open output file", // could_not_open_output_file
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"incompatible state information", // incompatible_config
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"illformed pragma message", // ill_formed_pragma_message
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"encountered #pragma message directive" // pragma_message_directive
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};
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BOOST_ASSERT(no_error <= code && code <= last_error_number);
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return preprocess_exception_errors[code];
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}
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static util::severity severity_level(int code)
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{
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static util::severity preprocess_exception_severity[] = {
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util::severity_remark, // no_error
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util::severity_fatal, // unexpected_error
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util::severity_warning, // macro_redefinition
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util::severity_fatal, // macro_insertion_error
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util::severity_error, // bad_include_file
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util::severity_error, // bad_include_statement
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util::severity_error, // ill_formed_directive
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util::severity_fatal, // error_directive
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util::severity_warning, // warning_directive
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util::severity_error, // ill_formed_expression
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util::severity_error, // missing_matching_if
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util::severity_error, // missing_matching_endif
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util::severity_error, // ill_formed_operator
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util::severity_error, // bad_define_statement
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util::severity_error, // bad_define_statement_va_args
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util::severity_warning, // too_few_macroarguments
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util::severity_warning, // too_many_macroarguments
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util::severity_warning, // empty_macroarguments
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util::severity_error, // improperly_terminated_macro
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util::severity_warning, // bad_line_statement
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util::severity_warning, // bad_line_number
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util::severity_warning, // bad_line_filename
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util::severity_warning, // bad_undefine_statement
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util::severity_commandline_error, // bad_macro_definition
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util::severity_warning, // illegal_redefinition
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util::severity_error, // duplicate_parameter_name
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util::severity_error, // invalid_concat
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util::severity_warning, // last_line_not_terminated
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util::severity_warning, // ill_formed_pragma_option
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util::severity_fatal, // include_nesting_too_deep
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util::severity_error, // misplaced_operator
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util::severity_error, // alreadydefined_name
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util::severity_error, // undefined_macroname
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util::severity_error, // invalid_macroname
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util::severity_error, // unexpected_qualified_name
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util::severity_fatal, // division_by_zero
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util::severity_error, // integer_overflow
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util::severity_error, // illegal_operator_redefinition
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util::severity_error, // ill_formed_integer_literal
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util::severity_error, // ill_formed_character_literal
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util::severity_warning, // unbalanced_if_endif
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util::severity_warning, // character_literal_out_of_range
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util::severity_error, // could_not_open_output_file
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util::severity_remark, // incompatible_config
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util::severity_warning, // ill_formed_pragma_message
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util::severity_remark, // pragma_message_directive
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};
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BOOST_ASSERT(no_error <= code && code <= last_error_number);
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return preprocess_exception_severity[code];
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}
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static char const *severity_text(int code)
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{
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return util::get_severity(severity_level(code));
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}
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private:
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char buffer[512];
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error_code code;
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};
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///////////////////////////////////////////////////////////////////////////////
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// Error during macro handling, this exception contains the related macro name
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class BOOST_SYMBOL_VISIBLE macro_handling_exception :
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public preprocess_exception
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{
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public:
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macro_handling_exception(char const *what_, error_code code, int line_,
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int column_, char const *filename_, char const *macroname) throw()
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: preprocess_exception(what_, code, line_, column_, filename_)
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{
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unsigned int off = 0;
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while (off < sizeof(name) && *macroname)
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name[off++] = *macroname++;
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name[off] = 0;
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}
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~macro_handling_exception() throw() {}
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virtual char const *what() const throw()
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{
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return "boost::wave::macro_handling_exception";
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}
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char const* get_related_name() const throw()
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{
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return name;
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}
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private:
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char name[512];
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};
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///////////////////////////////////////////////////////////////////////////////
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//
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// The is_recoverable() function allows to decide, whether it is possible
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// simply to continue after a given exception was thrown by Wave.
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//
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// This is kind of a hack to allow to recover from certain errors as long as
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// Wave doesn't provide better means of error recovery.
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//
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///////////////////////////////////////////////////////////////////////////////
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inline bool
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is_recoverable(cpp_exception const& e)
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{
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return e.is_recoverable();
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}
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///////////////////////////////////////////////////////////////////////////////
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} // namespace wave
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} // namespace boost
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// the suffix header occurs after all of the code
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#ifdef BOOST_HAS_ABI_HEADERS
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#include BOOST_ABI_SUFFIX
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#endif
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#endif // !defined(CPP_EXCEPTIONS_HPP_5190E447_A781_4521_A275_5134FF9917D7_INCLUDED)
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||||
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