/* The following code was generated by JFlex 1.7.0-SNAPSHOT tweaked for IntelliJ platform */
package com.jetbrains.lang.dart.lexer;
import com.intellij.lexer.FlexLexer;
import com.intellij.psi.tree.IElementType;
import static com.jetbrains.lang.dart.DartTokenTypesSets.*;
@SuppressWarnings("ALL")
/**
* This class is a scanner generated by
* <a href="http://www.jflex.de/">JFlex</a> 1.7.0-SNAPSHOT
* from the specification file <tt>DartDoc.flex</tt>
*/
class _DartDocLexer implements FlexLexer {
/** This character denotes the end of file */
public static final int YYEOF = -1;
/** initial size of the lookahead buffer */
private static final int ZZ_BUFFERSIZE = 16384;
/** lexical states */
public static final int YYINITIAL = 0;
public static final int COMMENT_BODY = 2;
public static final int AFTER_CRLF = 4;
/**
* ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
* ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
* at the beginning of a line
* l is of the form l = 2*k, k a non negative integer
*/
private static final int ZZ_LEXSTATE[] = {
0, 0, 1, 1, 2, 2
};
/**
* Translates characters to character classes
* Chosen bits are [9, 6, 6]
* Total runtime size is 1440 bytes
*/
public static int ZZ_CMAP(int ch) {
return ZZ_CMAP_A[ZZ_CMAP_Y[ZZ_CMAP_Z[ch>>12]|((ch>>6)&0x3f)]|(ch&0x3f)];
}
/* The ZZ_CMAP_Z table has 272 entries */
static final char ZZ_CMAP_Z[] = zzUnpackCMap(
"\1\0\1\100\1\200\u010d\100");
/* The ZZ_CMAP_Y table has 192 entries */
static final char ZZ_CMAP_Y[] = zzUnpackCMap(
"\1\0\1\100\1\200\175\100\1\300\77\100");
/* The ZZ_CMAP_A table has 256 entries */
static final char ZZ_CMAP_A[] = zzUnpackCMap(
"\11\0\1\1\1\4\1\5\1\6\1\5\22\0\1\1\11\0\1\3\4\0\1\2\125\0\1\5\142\0\2\5\26"+
"\0");
/**
* Translates DFA states to action switch labels.
*/
private static final int [] ZZ_ACTION = zzUnpackAction();
private static final String ZZ_ACTION_PACKED_0 =
"\3\0\2\1\3\2\1\3\1\0\1\4\1\5\1\0"+
"\1\6\1\7";
private static int [] zzUnpackAction() {
int [] result = new int[15];
int offset = 0;
offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAction(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/**
* Translates a state to a row index in the transition table
*/
private static final int [] ZZ_ROWMAP = zzUnpackRowMap();
private static final String ZZ_ROWMAP_PACKED_0 =
"\0\0\0\7\0\16\0\25\0\34\0\25\0\43\0\52"+
"\0\61\0\43\0\25\0\70\0\77\0\25\0\25";
private static int [] zzUnpackRowMap() {
int [] result = new int[15];
int offset = 0;
offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
return result;
}
private static int zzUnpackRowMap(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int high = packed.charAt(i++) << 16;
result[j++] = high | packed.charAt(i++);
}
return j;
}
/**
* The transition table of the DFA
*/
private static final int [] ZZ_TRANS = zzUnpackTrans();
private static final String ZZ_TRANS_PACKED_0 =
"\2\4\1\5\4\4\1\6\1\7\1\6\1\10\1\11"+
"\1\0\1\12\3\13\1\14\3\13\12\0\1\15\4\0"+
"\1\12\2\0\1\11\1\0\1\12\2\0\1\16\5\0"+
"\1\11\2\0\1\11\1\0\1\11\2\0\1\13\7\0"+
"\1\17\3\0";
private static int [] zzUnpackTrans() {
int [] result = new int[70];
int offset = 0;
offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
return result;
}
private static int zzUnpackTrans(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
value--;
do result[j++] = value; while (--count > 0);
}
return j;
}
/* error codes */
private static final int ZZ_UNKNOWN_ERROR = 0;
private static final int ZZ_NO_MATCH = 1;
private static final int ZZ_PUSHBACK_2BIG = 2;
/* error messages for the codes above */
private static final String[] ZZ_ERROR_MSG = {
"Unknown internal scanner error",
"Error: could not match input",
"Error: pushback value was too large"
};
/**
* ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
*/
private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
private static final String ZZ_ATTRIBUTE_PACKED_0 =
"\3\0\1\11\1\1\1\11\3\1\1\0\1\11\1\1"+
"\1\0\2\11";
private static int [] zzUnpackAttribute() {
int [] result = new int[15];
int offset = 0;
offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
return result;
}
private static int zzUnpackAttribute(String packed, int offset, int [] result) {
int i = 0; /* index in packed string */
int j = offset; /* index in unpacked array */
int l = packed.length();
while (i < l) {
int count = packed.charAt(i++);
int value = packed.charAt(i++);
do result[j++] = value; while (--count > 0);
}
return j;
}
/** the input device */
private java.io.Reader zzReader;
/** the current state of the DFA */
private int zzState;
/** the current lexical state */
private int zzLexicalState = YYINITIAL;
/** this buffer contains the current text to be matched and is
the source of the yytext() string */
private CharSequence zzBuffer = "";
/** the textposition at the last accepting state */
private int zzMarkedPos;
/** the current text position in the buffer */
private int zzCurrentPos;
/** startRead marks the beginning of the yytext() string in the buffer */
private int zzStartRead;
/** endRead marks the last character in the buffer, that has been read
from input */
private int zzEndRead;
/**
* zzAtBOL == true <=> the scanner is currently at the beginning of a line
*/
private boolean zzAtBOL = true;
/** zzAtEOF == true <=> the scanner is at the EOF */
private boolean zzAtEOF;
/** denotes if the user-EOF-code has already been executed */
private boolean zzEOFDone;
/* user code: */
public _DartDocLexer() {
this((java.io.Reader)null);
}
/**
* Creates a new scanner
*
* @param in the java.io.Reader to read input from.
*/
_DartDocLexer(java.io.Reader in) {
this.zzReader = in;
}
/**
* Unpacks the compressed character translation table.
*
* @param packed the packed character translation table
* @return the unpacked character translation table
*/
private static char [] zzUnpackCMap(String packed) {
int size = 0;
for (int i = 0, length = packed.length(); i < length; i += 2) {
size += packed.charAt(i);
}
char[] map = new char[size];
int i = 0; /* index in packed string */
int j = 0; /* index in unpacked array */
while (i < packed.length()) {
int count = packed.charAt(i++);
char value = packed.charAt(i++);
do map[j++] = value; while (--count > 0);
}
return map;
}
public final int getTokenStart() {
return zzStartRead;
}
public final int getTokenEnd() {
return getTokenStart() + yylength();
}
public void reset(CharSequence buffer, int start, int end, int initialState) {
zzBuffer = buffer;
zzCurrentPos = zzMarkedPos = zzStartRead = start;
zzAtEOF = false;
zzAtBOL = true;
zzEndRead = end;
yybegin(initialState);
}
/**
* Refills the input buffer.
*
* @return <code>false</code>, iff there was new input.
*
* @exception java.io.IOException if any I/O-Error occurs
*/
private boolean zzRefill() throws java.io.IOException {
return true;
}
/**
* Returns the current lexical state.
*/
public final int yystate() {
return zzLexicalState;
}
/**
* Enters a new lexical state
*
* @param newState the new lexical state
*/
public final void yybegin(int newState) {
zzLexicalState = newState;
}
/**
* Returns the text matched by the current regular expression.
*/
public final CharSequence yytext() {
return zzBuffer.subSequence(zzStartRead, zzMarkedPos);
}
/**
* Returns the character at position <tt>pos</tt> from the
* matched text.
*
* It is equivalent to yytext().charAt(pos), but faster
*
* @param pos the position of the character to fetch.
* A value from 0 to yylength()-1.
*
* @return the character at position pos
*/
public final char yycharat(int pos) {
return zzBuffer.charAt(zzStartRead+pos);
}
/**
* Returns the length of the matched text region.
*/
public final int yylength() {
return zzMarkedPos-zzStartRead;
}
/**
* Reports an error that occured while scanning.
*
* In a wellformed scanner (no or only correct usage of
* yypushback(int) and a match-all fallback rule) this method
* will only be called with things that "Can't Possibly Happen".
* If this method is called, something is seriously wrong
* (e.g. a JFlex bug producing a faulty scanner etc.).
*
* Usual syntax/scanner level error handling should be done
* in error fallback rules.
*
* @param errorCode the code of the errormessage to display
*/
private void zzScanError(int errorCode) {
String message;
try {
message = ZZ_ERROR_MSG[errorCode];
}
catch (ArrayIndexOutOfBoundsException e) {
message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
}
throw new Error(message);
}
/**
* Pushes the specified amount of characters back into the input stream.
*
* They will be read again by then next call of the scanning method
*
* @param number the number of characters to be read again.
* This number must not be greater than yylength()!
*/
public void yypushback(int number) {
if ( number > yylength() )
zzScanError(ZZ_PUSHBACK_2BIG);
zzMarkedPos -= number;
}
/**
* Resumes scanning until the next regular expression is matched,
* the end of input is encountered or an I/O-Error occurs.
*
* @return the next token
* @exception java.io.IOException if any I/O-Error occurs
*/
public IElementType advance() throws java.io.IOException {
int zzInput;
int zzAction;
// cached fields:
int zzCurrentPosL;
int zzMarkedPosL;
int zzEndReadL = zzEndRead;
CharSequence zzBufferL = zzBuffer;
int [] zzTransL = ZZ_TRANS;
int [] zzRowMapL = ZZ_ROWMAP;
int [] zzAttrL = ZZ_ATTRIBUTE;
while (true) {
zzMarkedPosL = zzMarkedPos;
zzAction = -1;
zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
zzState = ZZ_LEXSTATE[zzLexicalState];
// set up zzAction for empty match case:
int zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
}
zzForAction: {
while (true) {
if (zzCurrentPosL < zzEndReadL) {
zzInput = Character.codePointAt(zzBufferL, zzCurrentPosL/*, zzEndReadL*/);
zzCurrentPosL += Character.charCount(zzInput);
}
else if (zzAtEOF) {
zzInput = YYEOF;
break zzForAction;
}
else {
// store back cached positions
zzCurrentPos = zzCurrentPosL;
zzMarkedPos = zzMarkedPosL;
boolean eof = zzRefill();
// get translated positions and possibly new buffer
zzCurrentPosL = zzCurrentPos;
zzMarkedPosL = zzMarkedPos;
zzBufferL = zzBuffer;
zzEndReadL = zzEndRead;
if (eof) {
zzInput = YYEOF;
break zzForAction;
}
else {
zzInput = Character.codePointAt(zzBufferL, zzCurrentPosL/*, zzEndReadL*/);
zzCurrentPosL += Character.charCount(zzInput);
}
}
int zzNext = zzTransL[ zzRowMapL[zzState] + ZZ_CMAP(zzInput) ];
if (zzNext == -1) break zzForAction;
zzState = zzNext;
zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
zzMarkedPosL = zzCurrentPosL;
if ( (zzAttributes & 8) == 8 ) break zzForAction;
}
}
}
// store back cached position
zzMarkedPos = zzMarkedPosL;
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
return null;
}
else {
switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
case 1:
{ return BAD_CHARACTER; /* can't happen */
}
case 8: break;
case 2:
{ return MULTI_LINE_COMMENT_BODY;
}
case 9: break;
case 3:
{ yybegin(AFTER_CRLF); return WHITE_SPACE;
}
case 10: break;
case 4:
{ yypushback(yylength()); yybegin(COMMENT_BODY); break;
}
case 11: break;
case 5:
{ yybegin(COMMENT_BODY); return DOC_COMMENT_LEADING_ASTERISK;
}
case 12: break;
case 6:
{ return zzMarkedPos == zzEndRead ? MULTI_LINE_COMMENT_END : MULTI_LINE_COMMENT_BODY;
}
case 13: break;
case 7:
{ yybegin(COMMENT_BODY); return MULTI_LINE_DOC_COMMENT_START;
}
case 14: break;
default:
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}