315 lines
11 KiB
C++
315 lines
11 KiB
C++
#include "tracy_robin_hood.h"
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#include "TracyCharUtil.hpp"
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#include "TracySourceTokenizer.hpp"
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namespace tracy
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{
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namespace {
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static unordered_flat_set<const char*, charutil::Hasher, charutil::Comparator> GetKeywords()
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{
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unordered_flat_set<const char*, charutil::Hasher, charutil::Comparator> ret;
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for( auto& v : {
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"alignas", "alignof", "and", "and_eq", "asm", "atomic_cancel", "atomic_commit", "atomic_noexcept",
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"bitand", "bitor", "break", "case", "catch", "class", "compl", "concept", "const", "consteval",
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"constexpr", "constinit", "const_cast", "continue", "co_await", "co_return", "co_yield", "decltype",
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"default", "delete", "do", "dynamic_cast", "else", "enum", "explicit", "export", "extern", "for",
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"friend", "if", "inline", "mutable", "namespace", "new", "noexcept", "not", "not_eq", "operator",
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"or", "or_eq", "private", "protected", "public", "reflexpr", "register", "reinterpret_cast",
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"return", "requires", "sizeof", "static", "static_assert", "static_cast", "struct", "switch",
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"synchronized", "template", "thread_local", "throw", "try", "typedef", "typeid", "typename",
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"union", "using", "virtual", "volatile", "while", "xor", "xor_eq", "override", "final", "import",
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"module", "transaction_safe", "transaction_safe_dynamic" } )
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{
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ret.insert( v );
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}
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return ret;
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}
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static unordered_flat_set<const char*, charutil::Hasher, charutil::Comparator> GetTypes()
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{
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unordered_flat_set<const char*, charutil::Hasher, charutil::Comparator> ret;
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for( auto& v : {
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"bool", "char", "char8_t", "char16_t", "char32_t", "double", "float", "int", "long", "short", "signed",
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"unsigned", "void", "wchar_t", "size_t", "int8_t", "int16_t", "int32_t", "int64_t", "int_fast8_t",
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"int_fast16_t", "int_fast32_t", "int_fast64_t", "int_least8_t", "int_least16_t", "int_least32_t",
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"int_least64_t", "intmax_t", "intptr_t", "uint8_t", "uint16_t", "uint32_t", "uint64_t", "uint_fast8_t",
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"uint_fast16_t", "uint_fast32_t", "uint_fast64_t", "uint_least8_t", "uint_least16_t", "uint_least32_t",
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"uint_least64_t", "uintmax_t", "uintptr_t", "type_info", "bad_typeid", "bad_cast", "type_index",
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"clock_t", "time_t", "tm", "timespec", "ptrdiff_t", "nullptr_t", "max_align_t", "auto",
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"__m64", "__m128", "__m128i", "__m128d", "__m256", "__m256i", "__m256d", "__m512", "__m512i",
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"__m512d", "__mmask8", "__mmask16", "__mmask32", "__mmask64",
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"int8x8_t", "int16x4_t", "int32x2_t", "int64x1_t", "uint8x8_t", "uint16x4_t", "uint32x2_t",
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"uint64x1_t", "float32x2_t", "poly8x8_t", "poly16x4_t", "int8x16_t", "int16x8_t", "int32x4_t",
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"int64x2_t", "uint8x16_t", "uint16x8_t", "uint32x4_t", "uint64x2_t", "float32x4_t", "poly8x16_t",
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"poly16x8_t",
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"int8x8x2_t", "int16x4x2_t", "int32x2x2_t", "int64x1x2_t", "uint8x8x2_t", "uint16x4x2_t",
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"uint32x2x2_t", "uint64x1x2_t", "float32x2x2_t", "poly8x8x2_t", "poly16x4x2_t", "int8x16x2_t",
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"int16x8x2_t", "int32x4x2_t", "int64x2x2_t", "uint8x16x2_t", "uint16x8x2_t", "uint32x4x2_t",
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"uint64x2x2_t", "float32x4x2_t", "poly8x16x2_t", "poly16x8x2_t",
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"int8x8x3_t", "int16x4x3_t", "int32x2x3_t", "int64x1x3_t", "uint8x8x3_t", "uint16x4x3_t",
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"uint32x2x3_t", "uint64x1x3_t", "float32x2x3_t", "poly8x8x3_t", "poly16x4x3_t", "int8x16x3_t",
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"int16x8x3_t", "int32x4x3_t", "int64x2x3_t", "uint8x16x3_t", "uint16x8x3_t", "uint32x4x3_t",
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"uint64x2x3_t", "float32x4x3_t", "poly8x16x3_t", "poly16x8x3_t",
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"int8x8x4_t", "int16x4x4_t", "int32x2x4_t", "int64x1x4_t", "uint8x8x4_t", "uint16x4x4_t",
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"uint32x2x4_t", "uint64x1x4_t", "float32x2x4_t", "poly8x8x4_t", "poly16x4x4_t", "int8x16x4_t",
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"int16x8x4_t", "int32x4x4_t", "int64x2x4_t", "uint8x16x4_t", "uint16x8x4_t", "uint32x4x4_t",
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"uint64x2x4_t", "float32x4x4_t", "poly8x16x4_t", "poly16x8x4_t" } )
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{
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ret.insert( v );
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}
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return ret;
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}
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static unordered_flat_set<const char*, charutil::Hasher, charutil::Comparator> GetSpecial()
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{
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unordered_flat_set<const char*, charutil::Hasher, charutil::Comparator> ret;
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for( auto& v : { "this", "nullptr", "true", "false", "goto", "NULL" } )
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{
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ret.insert( v );
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}
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return ret;
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}
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}
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Tokenizer::Tokenizer()
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: m_isInComment( false )
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, m_isInPreprocessor( false )
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{
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}
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std::vector<Tokenizer::Token> Tokenizer::Tokenize( const char* begin, const char* end )
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{
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std::vector<Token> ret;
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if( m_isInPreprocessor )
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{
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if( begin == end )
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{
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m_isInPreprocessor = false;
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return ret;
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}
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if( *(end-1) != '\\' ) m_isInPreprocessor = false;
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ret.emplace_back( Token { begin, end, TokenColor::Preprocessor } );
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return ret;
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}
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const bool first = !m_isInComment;
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while( begin != end )
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{
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if( m_isInComment )
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{
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const auto pos = begin;
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for(;;)
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{
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while( begin != end && *begin != '*' ) begin++;
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begin++;
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if( begin < end )
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{
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if( *begin == '/' )
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{
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begin++;
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ret.emplace_back( Token { pos, begin, TokenColor::Comment } );
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m_isInComment = false;
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break;
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}
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}
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else
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{
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ret.emplace_back( Token { pos, end, TokenColor::Comment } );
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return ret;
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}
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}
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}
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else
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{
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while( begin != end && isspace( (uint8_t)*begin ) ) begin++;
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if( first && begin < end && *begin == '#' )
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{
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if( *(end-1) == '\\' ) m_isInPreprocessor = true;
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ret.emplace_back( Token { begin, end, TokenColor::Preprocessor } );
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return ret;
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}
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const auto pos = begin;
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const auto col = IdentifyToken( begin, end );
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ret.emplace_back( Token { pos, begin, col } );
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}
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}
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return ret;
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}
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static bool TokenizeNumber( const char*& begin, const char* end )
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{
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const bool startNum = *begin >= '0' && *begin <= '9';
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if( *begin != '+' && *begin != '-' && !startNum ) return false;
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begin++;
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bool hasNum = startNum;
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while( begin < end && ( ( *begin >= '0' && *begin <= '9' ) || *begin == '\'' ) )
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{
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hasNum = true;
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begin++;
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}
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if( !hasNum ) return false;
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bool isFloat = false, isBinary = false;
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if( begin < end )
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{
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if( *begin == '.' )
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{
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isFloat = true;
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begin++;
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while( begin < end && ( ( *begin >= '0' && *begin <= '9' ) || *begin == '\'' ) ) begin++;
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}
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else if( *begin == 'x' || *begin == 'X' )
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{
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// hexadecimal
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begin++;
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while( begin < end && ( ( *begin >= '0' && *begin <= '9' ) || ( *begin >= 'a' && *begin <= 'f' ) || ( *begin >= 'A' && *begin <= 'F' ) || *begin == '\'' ) ) begin++;
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}
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else if( *begin == 'b' || *begin == 'B' )
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{
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isBinary = true;
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begin++;
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while( begin < end && ( ( *begin == '0' || *begin == '1' ) || *begin == '\'' ) ) begin++;
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}
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}
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if( !isBinary )
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{
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if( begin < end && ( *begin == 'e' || *begin == 'E' || *begin == 'p' || *begin == 'P' ) )
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{
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isFloat = true;
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begin++;
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if( begin < end && ( *begin == '+' || *begin == '-' ) ) begin++;
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bool hasDigits = false;
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while( begin < end && ( ( *begin >= '0' && *begin <= '9' ) || ( *begin >= 'a' && *begin <= 'f' ) || ( *begin >= 'A' && *begin <= 'F' ) || *begin == '\'' ) )
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{
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hasDigits = true;
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begin++;
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}
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if( !hasDigits ) return false;
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}
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if( begin < end && ( *begin == 'f' || *begin == 'F' || *begin == 'l' || *begin == 'L' ) ) begin++;
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}
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if( !isFloat )
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{
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while( begin < end && ( *begin == 'u' || *begin == 'U' || *begin == 'l' || *begin == 'L' ) ) begin++;
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}
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return true;
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}
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Tokenizer::TokenColor Tokenizer::IdentifyToken( const char*& begin, const char* end )
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{
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static const auto s_keywords = GetKeywords();
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static const auto s_types = GetTypes();
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static const auto s_special = GetSpecial();
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if( *begin == '"' )
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{
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begin++;
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while( begin < end )
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{
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if( *begin == '"' )
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{
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begin++;
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break;
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}
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begin += 1 + ( *begin == '\\' && end - begin > 1 && *(begin+1) == '"' );
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}
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return TokenColor::String;
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}
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if( *begin == '\'' )
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{
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begin++;
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if( begin < end && *begin == '\\' ) begin++;
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if( begin < end ) begin++;
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if( begin < end && *begin == '\'' ) begin++;
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return TokenColor::CharacterLiteral;
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}
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if( ( *begin >= 'a' && *begin <= 'z' ) || ( *begin >= 'A' && *begin <= 'Z' ) || *begin == '_' )
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{
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const char* tmp = begin;
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begin++;
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while( begin < end && ( ( *begin >= 'a' && *begin <= 'z' ) || ( *begin >= 'A' && *begin <= 'Z' ) || ( *begin >= '0' && *begin <= '9' ) || *begin == '_' ) ) begin++;
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if( begin - tmp <= 24 )
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{
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char buf[25];
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memcpy( buf, tmp, begin-tmp );
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buf[begin-tmp] = '\0';
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if( s_keywords.find( buf ) != s_keywords.end() ) return TokenColor::Keyword;
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if( s_types.find( buf ) != s_types.end() ) return TokenColor::Type;
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if( s_special.find( buf ) != s_special.end() ) return TokenColor::Special;
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}
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return TokenColor::Default;
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}
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const char* tmp = begin;
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if( TokenizeNumber( begin, end ) ) return TokenColor::Number;
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begin = tmp;
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if( *begin == '/' && end - begin > 1 )
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{
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if( *(begin+1) == '/' )
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{
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begin = end;
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return TokenColor::Comment;
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}
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if( *(begin+1) == '*' )
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{
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begin += 2;
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for(;;)
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{
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while( begin < end && *begin != '*' ) begin++;
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if( begin == end )
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{
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m_isInComment = true;
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return TokenColor::Comment;
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}
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begin++;
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if( begin < end && *begin == '/' )
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{
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begin++;
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return TokenColor::Comment;
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}
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}
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}
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}
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while( begin < end )
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{
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switch( *begin )
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{
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case '[':
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case ']':
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case '{':
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case '}':
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case '!':
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case '%':
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case '^':
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case '&':
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case '*':
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case '(':
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case ')':
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case '-':
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case '+':
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case '=':
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case '~':
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case '|':
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case '<':
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case '>':
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case '?':
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case ':':
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case '/':
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case ';':
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case ',':
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case '.':
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begin++;
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break;
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default:
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goto out;
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}
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}
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out:
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if( begin != tmp ) return TokenColor::Punctuation;
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begin = end;
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return TokenColor::Default;
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}
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}
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