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authorDevtools Arcadia <arcadia-devtools@yandex-team.ru>2022-02-07 18:08:42 +0300
committerDevtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net>2022-02-07 18:08:42 +0300
commit1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
treee26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/antlr3_cpp_runtime/include/antlr3input.inl
downloadydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/antlr3_cpp_runtime/include/antlr3input.inl')
-rw-r--r--contrib/libs/antlr3_cpp_runtime/include/antlr3input.inl619
1 files changed, 619 insertions, 0 deletions
diff --git a/contrib/libs/antlr3_cpp_runtime/include/antlr3input.inl b/contrib/libs/antlr3_cpp_runtime/include/antlr3input.inl
new file mode 100644
index 0000000000..6837a06540
--- /dev/null
+++ b/contrib/libs/antlr3_cpp_runtime/include/antlr3input.inl
@@ -0,0 +1,619 @@
+namespace antlr3 {
+
+template<class ImplTraits>
+InputStream<ImplTraits>::InputStream(const ANTLR_UINT8* fileName, ANTLR_UINT32 encoding)
+{
+ // First order of business is to read the file into some buffer space
+ // as just straight 8 bit bytes. Then we will work out the encoding and
+ // byte order and adjust the API functions that are installed for the
+ // default 8Bit stream accordingly.
+ //
+ this->createFileStream(fileName);
+
+ // We have the data in memory now so we can deal with it according to
+ // the encoding scheme we were given by the user.
+ //
+ m_encoding = encoding;
+
+ // Now we need to work out the endian type and install any
+ // API functions that differ from 8Bit
+ //
+ this->setupInputStream();
+
+ // Now we can set up the file name
+ //
+ BaseType::m_streamName = (const char* )fileName;
+ m_fileName = BaseType::m_streamName;
+}
+
+template<class ImplTraits>
+InputStream<ImplTraits>::InputStream(const ANTLR_UINT8* data, ANTLR_UINT32 encoding, ANTLR_UINT32 size, ANTLR_UINT8* name)
+{
+ // First order of business is to set up the stream and install the data pointer.
+ // Then we will work out the encoding and byte order and adjust the API functions that are installed for the
+ // default 8Bit stream accordingly.
+ //
+ this->createStringStream(data);
+
+ // Size (in bytes) of the given 'string'
+ //
+ m_sizeBuf = size;
+
+ // We have the data in memory now so we can deal with it according to
+ // the encoding scheme we were given by the user.
+ //
+ m_encoding = encoding;
+
+ // Now we need to work out the endian type and install any
+ // API functions that differ from 8Bit
+ //
+ this->setupInputStream();
+
+ // Now we can set up the file name
+ //
+ BaseType::m_streamName = (name == NULL ) ? "" : (const char*)name;
+ m_fileName = BaseType::m_streamName;
+
+}
+
+template<class ImplTraits>
+void InputStream<ImplTraits>::createStringStream(const ANTLR_UINT8* data)
+{
+ if (data == NULL)
+ {
+ ParseNullStringException ex;
+ throw ex;
+ }
+
+ // Structure was allocated correctly, now we can install the pointer
+ //
+ m_data = data;
+ m_isAllocated = false;
+
+ // Call the common 8 bit input stream handler
+ // initialization.
+ //
+ this->genericSetupStream();
+}
+
+template<class ImplTraits>
+void InputStream<ImplTraits>::createFileStream(const ANTLR_UINT8* fileName)
+{
+ if (fileName == NULL)
+ {
+ ParseFileAbsentException ex;
+ throw ex;
+ }
+
+ // Structure was allocated correctly, now we can read the file.
+ //
+ FileUtils<ImplTraits>::AntlrRead8Bit(this, fileName);
+
+ // Call the common 8 bit input stream handler
+ // initialization.
+ //
+ this->genericSetupStream();
+}
+
+template<class ImplTraits>
+void InputStream<ImplTraits>::genericSetupStream()
+{
+ this->set_charByteSize(1);
+
+ /* Set up the input stream brand new
+ */
+ this->reset();
+
+ /* Install default line separator character (it can be replaced
+ * by the grammar programmer later)
+ */
+ this->set_newLineChar((ANTLR_UCHAR)'\n');
+}
+
+template<class ImplTraits>
+InputStream<ImplTraits>::~InputStream()
+{
+ // Free the input stream buffer if we allocated it
+ //
+ if (m_isAllocated && (m_data != NULL))
+ AllocPolicyType::free((void*)m_data); //const_cast is required
+}
+
+template<class ImplTraits>
+ANTLR_INLINE const typename InputStream<ImplTraits>::DataType* InputStream<ImplTraits>::get_data() const
+{
+ return m_data;
+}
+template<class ImplTraits>
+ANTLR_INLINE bool InputStream<ImplTraits>::get_isAllocated() const
+{
+ return m_isAllocated;
+}
+template<class ImplTraits>
+ANTLR_INLINE const typename InputStream<ImplTraits>::DataType* InputStream<ImplTraits>::get_nextChar() const
+{
+ return m_nextChar;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT32 InputStream<ImplTraits>::get_sizeBuf() const
+{
+ return m_sizeBuf;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT32 InputStream<ImplTraits>::get_line() const
+{
+ return m_line;
+}
+template<class ImplTraits>
+ANTLR_INLINE const typename InputStream<ImplTraits>::DataType* InputStream<ImplTraits>::get_currentLine() const
+{
+ return m_currentLine;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_INT32 InputStream<ImplTraits>::get_charPositionInLine() const
+{
+ return m_charPositionInLine;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT32 InputStream<ImplTraits>::get_markDepth() const
+{
+ return m_markDepth;
+}
+template<class ImplTraits>
+ANTLR_INLINE typename InputStream<ImplTraits>::MarkersType& InputStream<ImplTraits>::get_markers()
+{
+ return m_markers;
+}
+template<class ImplTraits>
+ANTLR_INLINE const typename InputStream<ImplTraits>::StringType& InputStream<ImplTraits>::get_fileName() const
+{
+ return m_fileName;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT32 InputStream<ImplTraits>::get_fileNo() const
+{
+ return m_fileNo;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UCHAR InputStream<ImplTraits>::get_newlineChar() const
+{
+ return m_newlineChar;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT8 InputStream<ImplTraits>::get_charByteSize() const
+{
+ return m_charByteSize;
+}
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT32 InputStream<ImplTraits>::get_encoding() const
+{
+ return m_encoding;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_data( DataType* data )
+{
+ m_data = data;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_isAllocated( bool isAllocated )
+{
+ m_isAllocated = isAllocated;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_nextChar( const DataType* nextChar )
+{
+ m_nextChar = nextChar;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_sizeBuf( ANTLR_UINT32 sizeBuf )
+{
+ m_sizeBuf = sizeBuf;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_line( ANTLR_UINT32 line )
+{
+ m_line = line;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_currentLine( const DataType* currentLine )
+{
+ m_currentLine = currentLine;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_charPositionInLine( ANTLR_INT32 charPositionInLine )
+{
+ m_charPositionInLine = charPositionInLine;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_markDepth( ANTLR_UINT32 markDepth )
+{
+ m_markDepth = markDepth;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_markers( const MarkersType& markers )
+{
+ m_markers = markers;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_fileName( const StringType& fileName )
+{
+ m_fileName = fileName;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_fileNo( ANTLR_UINT32 fileNo )
+{
+ m_fileNo = fileNo;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_newlineChar( ANTLR_UCHAR newlineChar )
+{
+ m_newlineChar = newlineChar;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_charByteSize( ANTLR_UINT8 charByteSize )
+{
+ m_charByteSize = charByteSize;
+}
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_encoding( ANTLR_UINT32 encoding )
+{
+ m_encoding = encoding;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::inc_charPositionInLine()
+{
+ ++m_charPositionInLine;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::inc_line()
+{
+ ++m_line;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::inc_markDepth()
+{
+ ++m_markDepth;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::reset()
+{
+ m_nextChar = m_data; /* Input at first character */
+ m_line = 1; /* starts at line 1 */
+ m_charPositionInLine = 0;
+ m_currentLine = m_data;
+ m_markDepth = 0; /* Reset markers */
+
+ /* Clear out up the markers table if it is there
+ */
+ m_markers.clear();
+}
+
+template<class ImplTraits>
+void InputStream<ImplTraits>::reuse(ANTLR_UINT8* inString, ANTLR_UINT32 size, ANTLR_UINT8* name)
+{
+ m_isAllocated = false;
+ m_data = inString;
+ m_sizeBuf = size;
+
+ // Now we can set up the file name. As we are reusing the stream, there may already
+ // be a string that we can reuse for holding the filename.
+ //
+ if ( BaseType::m_streamName.empty() )
+ {
+ BaseType::m_streamName = ((name == NULL) ? "-memory-" : (const char *)name);
+ m_fileName = BaseType::m_streamName;
+ }
+ else
+ {
+ BaseType::m_streamName = ((name == NULL) ? "-memory-" : (const char *)name);
+ }
+
+ this->reset();
+}
+
+/*
+template<class ImplTraits>
+typename InputStream<ImplTraits>::DataType* InputStream<ImplTraits>::LT(ANTLR_INT32 lt)
+{
+ return this->LA(lt);
+}
+*/
+
+template<class ImplTraits>
+ANTLR_UINT32 InputStream<ImplTraits>::size()
+{
+ return m_sizeBuf;
+}
+
+template<class ImplTraits>
+ANTLR_MARKER InputStream<ImplTraits>::index_impl()
+{
+ return (ANTLR_MARKER)m_nextChar;
+}
+
+
+template<class ImplTraits>
+typename InputStream<ImplTraits>::StringType InputStream<ImplTraits>::substr(ANTLR_MARKER start, ANTLR_MARKER stop)
+{
+ std::size_t len = static_cast<std::size_t>( (stop-start)/sizeof(DataType) + 1 );
+ StringType str( (const char*)start, len );
+ return str;
+}
+
+template<class ImplTraits>
+ANTLR_UINT32 InputStream<ImplTraits>::get_line()
+{
+ return m_line;
+}
+
+template<class ImplTraits>
+const typename InputStream<ImplTraits>::DataType* InputStream<ImplTraits>::getLineBuf()
+{
+ return m_currentLine;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT32 InputStream<ImplTraits>::get_charPositionInLine()
+{
+ return m_charPositionInLine;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void InputStream<ImplTraits>::set_charPositionInLine(ANTLR_UINT32 position)
+{
+ m_charPositionInLine = position;
+}
+
+template<class ImplTraits>
+void InputStream<ImplTraits>::set_newLineChar(ANTLR_UINT32 newlineChar)
+{
+ m_newlineChar = newlineChar;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE LexState<ImplTraits>::LexState()
+{
+ m_nextChar = NULL;
+ m_line = 0;
+ m_currentLine = NULL;
+ m_charPositionInLine = 0;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE const typename LexState<ImplTraits>::DataType* LexState<ImplTraits>::get_nextChar() const
+{
+ return m_nextChar;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_UINT32 LexState<ImplTraits>::get_line() const
+{
+ return m_line;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE const typename LexState<ImplTraits>::DataType* LexState<ImplTraits>::get_currentLine() const
+{
+ return m_currentLine;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE ANTLR_INT32 LexState<ImplTraits>::get_charPositionInLine() const
+{
+ return m_charPositionInLine;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void LexState<ImplTraits>::set_nextChar( const DataType* nextChar )
+{
+ m_nextChar = nextChar;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void LexState<ImplTraits>::set_line( ANTLR_UINT32 line )
+{
+ m_line = line;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void LexState<ImplTraits>::set_currentLine( const DataType* currentLine )
+{
+ m_currentLine = currentLine;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE void LexState<ImplTraits>::set_charPositionInLine( ANTLR_INT32 charPositionInLine )
+{
+ m_charPositionInLine = charPositionInLine;
+}
+
+template<class ImplTraits>
+ANTLR_INLINE typename InputStream<ImplTraits>::IntStreamType* InputStream<ImplTraits>::get_istream()
+{
+ return this;
+}
+
+template<class ImplTraits>
+void InputStream<ImplTraits>::setupInputStream()
+{
+ bool isBigEndian;
+
+ // Used to determine the endianness of the machine we are currently
+ // running on.
+ //
+ ANTLR_UINT16 bomTest = 0xFEFF;
+
+ // What endianess is the machine we are running on? If the incoming
+ // encoding endianess is the same as this machine's natural byte order
+ // then we can use more efficient API calls.
+ //
+ if (*((ANTLR_UINT8*)(&bomTest)) == 0xFE)
+ {
+ isBigEndian = true;
+ }
+ else
+ {
+ isBigEndian = false;
+ }
+
+ // What encoding did the user tell us {s}he thought it was? I am going
+ // to get sick of the questions on antlr-interest, I know I am.
+ //
+ switch (m_encoding)
+ {
+ case ENC_UTF8:
+
+ // See if there is a BOM at the start of this UTF-8 sequence
+ // and just eat it if there is. Windows .TXT files have this for instance
+ // as it identifies UTF-8 even though it is of no consequence for byte order
+ // as UTF-8 does not have a byte order.
+ //
+ if ( (*(m_nextChar)) == 0xEF
+ && (*(m_nextChar+1)) == 0xBB
+ && (*(m_nextChar+2)) == 0xBF
+ )
+ {
+ // The UTF8 BOM is present so skip it
+ //
+ m_nextChar += 3;
+ }
+
+ // Install the UTF8 input routines
+ //
+ this->setupIntStream( isBigEndian, isBigEndian );
+ this->set_charByteSize(0);
+ break;
+
+ case ENC_UTF16:
+
+ // See if there is a BOM at the start of the input. If not then
+ // we assume that the byte order is the natural order of this
+ // machine (or it is really UCS2). If there is a BOM we determine if the encoding
+ // is the same as the natural order of this machine.
+ //
+ if ( (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar)) == 0xFE
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+1)) == 0xFF
+ )
+ {
+ // BOM Present, indicates Big Endian
+ //
+ m_nextChar += 1;
+
+ this->setupIntStream( isBigEndian, true );
+ }
+ else if ( (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar)) == 0xFF
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+1)) == 0xFE
+ )
+ {
+ // BOM present, indicates Little Endian
+ //
+ m_nextChar += 1;
+
+ this->setupIntStream( isBigEndian, false );
+ }
+ else
+ {
+ // No BOM present, assume local computer byte order
+ //
+ this->setupIntStream(isBigEndian, isBigEndian);
+ }
+ this->set_charByteSize(2);
+ break;
+
+ case ENC_UTF32:
+
+ // See if there is a BOM at the start of the input. If not then
+ // we assume that the byte order is the natural order of this
+ // machine. If there is we determine if the encoding
+ // is the same as the natural order of this machine.
+ //
+ if ( (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar)) == 0x00
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+1)) == 0x00
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+2)) == 0xFE
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+3)) == 0xFF
+ )
+ {
+ // BOM Present, indicates Big Endian
+ //
+ m_nextChar += 1;
+
+ this->setupIntStream(isBigEndian, true);
+ }
+ else if ( (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar)) == 0xFF
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+1)) == 0xFE
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+1)) == 0x00
+ && (ANTLR_UINT8)(*((ANTLR_UINT8*)m_nextChar+1)) == 0x00
+ )
+ {
+ // BOM present, indicates Little Endian
+ //
+ m_nextChar += 1;
+
+ this->setupIntStream( isBigEndian, false );
+ }
+ else
+ {
+ // No BOM present, assume local computer byte order
+ //
+ this->setupIntStream( isBigEndian, isBigEndian );
+ }
+ this->set_charByteSize(4);
+ break;
+
+ case ENC_UTF16BE:
+
+ // Encoding is definately Big Endian with no BOM
+ //
+ this->setupIntStream( isBigEndian, true );
+ this->set_charByteSize(2);
+ break;
+
+ case ENC_UTF16LE:
+
+ // Encoding is definately Little Endian with no BOM
+ //
+ this->setupIntStream( isBigEndian, false );
+ this->set_charByteSize(2);
+ break;
+
+ case ENC_UTF32BE:
+
+ // Encoding is definately Big Endian with no BOM
+ //
+ this->setupIntStream( isBigEndian, true );
+ this->set_charByteSize(4);
+ break;
+
+ case ENC_UTF32LE:
+
+ // Encoding is definately Little Endian with no BOM
+ //
+ this->setupIntStream( isBigEndian, false );
+ this->set_charByteSize(4);
+ break;
+
+ case ENC_EBCDIC:
+
+ // EBCDIC is basically the same as ASCII but with an on the
+ // fly translation to ASCII
+ //
+ this->setupIntStream( isBigEndian, isBigEndian );
+ this->set_charByteSize(1);
+ break;
+
+ case ENC_8BIT:
+ default:
+
+ // Standard 8bit/ASCII
+ //
+ this->setupIntStream( isBigEndian, isBigEndian );
+ this->set_charByteSize(1);
+ break;
+ }
+}
+
+}