diff --git a/pom.xml b/pom.xml index bfa0b627..d57487d4 100644 --- a/pom.xml +++ b/pom.xml @@ -74,6 +74,18 @@ + + de.jflex + jflex-maven-plugin + 1.5.1 + + + + generate + + + + diff --git a/src/main/java/org/json/simple/parser/Yylex.java b/src/main/java/org/json/simple/parser/Yylex.java deleted file mode 100644 index e58e27e6..00000000 --- a/src/main/java/org/json/simple/parser/Yylex.java +++ /dev/null @@ -1,688 +0,0 @@ -/* The following code was generated by JFlex 1.4.2 */ - -package org.json.simple.parser; - -class Yylex { - - /** 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 STRING_BEGIN = 2; - - /** - * 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 - }; - - /** - * Translates characters to character classes - */ - private static final String ZZ_CMAP_PACKED = - "\11\0\1\7\1\7\2\0\1\7\22\0\1\7\1\0\1\11\10\0"+ - "\1\6\1\31\1\2\1\4\1\12\12\3\1\32\6\0\4\1\1\5"+ - "\1\1\24\0\1\27\1\10\1\30\3\0\1\22\1\13\2\1\1\21"+ - "\1\14\5\0\1\23\1\0\1\15\3\0\1\16\1\24\1\17\1\20"+ - "\5\0\1\25\1\0\1\26\uff82\0"; - - /** - * Translates characters to character classes - */ - private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED); - - /** - * Translates DFA states to action switch labels. - */ - private static final int [] ZZ_ACTION = zzUnpackAction(); - - private static final String ZZ_ACTION_PACKED_0 = - "\2\0\2\1\1\2\1\3\1\4\3\1\1\5\1\6"+ - "\1\7\1\10\1\11\1\12\1\13\1\14\1\15\5\0"+ - "\1\14\1\16\1\17\1\20\1\21\1\22\1\23\1\24"+ - "\1\0\1\25\1\0\1\25\4\0\1\26\1\27\2\0"+ - "\1\30"; - - private static int [] zzUnpackAction() { - int [] result = new int[45]; - 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\33\0\66\0\121\0\154\0\207\0\66\0\242"+ - "\0\275\0\330\0\66\0\66\0\66\0\66\0\66\0\66"+ - "\0\363\0\u010e\0\66\0\u0129\0\u0144\0\u015f\0\u017a\0\u0195"+ - "\0\66\0\66\0\66\0\66\0\66\0\66\0\66\0\66"+ - "\0\u01b0\0\u01cb\0\u01e6\0\u01e6\0\u0201\0\u021c\0\u0237\0\u0252"+ - "\0\66\0\66\0\u026d\0\u0288\0\66"; - - private static int [] zzUnpackRowMap() { - int [] result = new int[45]; - 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 [] = { - 2, 2, 3, 4, 2, 2, 2, 5, 2, 6, - 2, 2, 7, 8, 2, 9, 2, 2, 2, 2, - 2, 10, 11, 12, 13, 14, 15, 16, 16, 16, - 16, 16, 16, 16, 16, 17, 18, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 4, 19, 20, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, 20, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 5, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 21, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, 22, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 16, 16, 16, 16, 16, 16, 16, - 16, -1, -1, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - -1, -1, -1, -1, -1, -1, -1, -1, 24, 25, - 26, 27, 28, 29, 30, 31, 32, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 33, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 34, 35, -1, -1, - 34, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 36, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 37, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 38, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 39, -1, 39, -1, 39, -1, -1, - -1, -1, -1, 39, 39, -1, -1, -1, -1, 39, - 39, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 33, -1, 20, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 20, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 35, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 38, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 40, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, 41, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, 42, -1, 42, -1, 42, - -1, -1, -1, -1, -1, 42, 42, -1, -1, -1, - -1, 42, 42, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 43, -1, 43, -1, 43, -1, -1, -1, - -1, -1, 43, 43, -1, -1, -1, -1, 43, 43, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 44, - -1, 44, -1, 44, -1, -1, -1, -1, -1, 44, - 44, -1, -1, -1, -1, 44, 44, -1, -1, -1, - -1, -1, -1, -1, -1, - }; - - /* 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[] = { - "Unkown internal scanner error", - "Error: could not match input", - "Error: pushback value was too large" - }; - - /** - * ZZ_ATTRIBUTE[aState] contains the attributes of state aState - */ - private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute(); - - private static final String ZZ_ATTRIBUTE_PACKED_0 = - "\2\0\1\11\3\1\1\11\3\1\6\11\2\1\1\11"+ - "\5\0\10\11\1\0\1\1\1\0\1\1\4\0\2\11"+ - "\2\0\1\11"; - - private static int [] zzUnpackAttribute() { - int [] result = new int[45]; - 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 char zzBuffer[] = new char[ZZ_BUFFERSIZE]; - - /** 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; - - /** number of newlines encountered up to the start of the matched text */ - private int yyline; - - /** the number of characters up to the start of the matched text */ - private int yychar; - - /** - * the number of characters from the last newline up to the start of the - * matched text - */ - private int yycolumn; - - /** - * 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; - - /* user code: */ -private StringBuffer sb=new StringBuffer(); - -int getPosition(){ - return yychar; -} - - - - /** - * Creates a new scanner - * There is also a java.io.InputStream version of this constructor. - * - * @param in the java.io.Reader to read input from. - */ - Yylex(java.io.Reader in) { - this.zzReader = in; - } - - /** - * Creates a new scanner. - * There is also java.io.Reader version of this constructor. - * - * @param in the java.io.Inputstream to read input from. - */ - Yylex(java.io.InputStream in) { - this(new java.io.InputStreamReader(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) { - char [] map = new char[0x10000]; - int i = 0; /* index in packed string */ - int j = 0; /* index in unpacked array */ - while (i < 90) { - int count = packed.charAt(i++); - char value = packed.charAt(i++); - do map[j++] = value; while (--count > 0); - } - return map; - } - - - /** - * Refills the input buffer. - * - * @return false, iff there was new input. - * - * @exception java.io.IOException if any I/O-Error occurs - */ - private boolean zzRefill() throws java.io.IOException { - - /* first: make room (if you can) */ - if (zzStartRead > 0) { - System.arraycopy(zzBuffer, zzStartRead, - zzBuffer, 0, - zzEndRead-zzStartRead); - - /* translate stored positions */ - zzEndRead-= zzStartRead; - zzCurrentPos-= zzStartRead; - zzMarkedPos-= zzStartRead; - zzStartRead = 0; - } - - /* is the buffer big enough? */ - if (zzCurrentPos >= zzBuffer.length) { - /* if not: blow it up */ - char newBuffer[] = new char[zzCurrentPos*2]; - System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length); - zzBuffer = newBuffer; - } - - /* finally: fill the buffer with new input */ - int numRead = zzReader.read(zzBuffer, zzEndRead, - zzBuffer.length-zzEndRead); - - if (numRead > 0) { - zzEndRead+= numRead; - return false; - } - // unlikely but not impossible: read 0 characters, but not at end of stream - if (numRead == 0) { - int c = zzReader.read(); - if (c == -1) { - return true; - } else { - zzBuffer[zzEndRead++] = (char) c; - return false; - } - } - - // numRead < 0 - return true; - } - - - /** - * Closes the input stream. - */ - public final void yyclose() throws java.io.IOException { - zzAtEOF = true; /* indicate end of file */ - zzEndRead = zzStartRead; /* invalidate buffer */ - - if (zzReader != null) - zzReader.close(); - } - - - /** - * Resets the scanner to read from a new input stream. - * Does not close the old reader. - * - * All internal variables are reset, the old input stream - * cannot be reused (internal buffer is discarded and lost). - * Lexical state is set to ZZ_INITIAL. - * - * @param reader the new input stream - */ - public final void yyreset(java.io.Reader reader) { - zzReader = reader; - zzAtBOL = true; - zzAtEOF = false; - zzEndRead = zzStartRead = 0; - zzCurrentPos = zzMarkedPos = 0; - yyline = yychar = yycolumn = 0; - zzLexicalState = YYINITIAL; - } - - - /** - * 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 String yytext() { - return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead ); - } - - - /** - * Returns the character at position pos 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[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 Yytoken yylex() throws java.io.IOException, ParseException { - int zzInput; - int zzAction; - - // cached fields: - int zzCurrentPosL; - int zzMarkedPosL; - int zzEndReadL = zzEndRead; - char [] zzBufferL = zzBuffer; - char [] zzCMapL = ZZ_CMAP; - - int [] zzTransL = ZZ_TRANS; - int [] zzRowMapL = ZZ_ROWMAP; - int [] zzAttrL = ZZ_ATTRIBUTE; - - while (true) { - zzMarkedPosL = zzMarkedPos; - - yychar+= zzMarkedPosL-zzStartRead; - - zzAction = -1; - - zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL; - - zzState = ZZ_LEXSTATE[zzLexicalState]; - - - zzForAction: { - while (true) { - - if (zzCurrentPosL < zzEndReadL) - zzInput = zzBufferL[zzCurrentPosL++]; - 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 = zzBufferL[zzCurrentPosL++]; - } - } - int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ]; - if (zzNext == -1) break zzForAction; - zzState = zzNext; - - int zzAttributes = zzAttrL[zzState]; - if ( (zzAttributes & 1) == 1 ) { - zzAction = zzState; - zzMarkedPosL = zzCurrentPosL; - if ( (zzAttributes & 8) == 8 ) break zzForAction; - } - - } - } - - // store back cached position - zzMarkedPos = zzMarkedPosL; - - switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) { - case 11: - { sb.append(yytext()); - } - case 25: break; - case 4: - { sb = null; sb = new StringBuffer(); yybegin(STRING_BEGIN); - } - case 26: break; - case 16: - { sb.append('\b'); - } - case 27: break; - case 6: - { return new Yytoken(Yytoken.TYPE_RIGHT_BRACE,null); - } - case 28: break; - case 23: - { Boolean val=Boolean.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); - } - case 29: break; - case 22: - { return new Yytoken(Yytoken.TYPE_VALUE, null); - } - case 30: break; - case 13: - { yybegin(YYINITIAL);return new Yytoken(Yytoken.TYPE_VALUE, sb.toString()); - } - case 31: break; - case 12: - { sb.append('\\'); - } - case 32: break; - case 21: - { Double val=Double.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); - } - case 33: break; - case 1: - { throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_CHAR, new Character(yycharat(0))); - } - case 34: break; - case 8: - { return new Yytoken(Yytoken.TYPE_RIGHT_SQUARE,null); - } - case 35: break; - case 19: - { sb.append('\r'); - } - case 36: break; - case 15: - { sb.append('/'); - } - case 37: break; - case 10: - { return new Yytoken(Yytoken.TYPE_COLON,null); - } - case 38: break; - case 14: - { sb.append('"'); - } - case 39: break; - case 5: - { return new Yytoken(Yytoken.TYPE_LEFT_BRACE,null); - } - case 40: break; - case 17: - { sb.append('\f'); - } - case 41: break; - case 24: - { try{ - int ch=Integer.parseInt(yytext().substring(2),16); - sb.append((char)ch); - } - catch(Exception e){ - throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_EXCEPTION, e); - } - } - case 42: break; - case 20: - { sb.append('\t'); - } - case 43: break; - case 7: - { return new Yytoken(Yytoken.TYPE_LEFT_SQUARE,null); - } - case 44: break; - case 2: - { Long val=Long.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); - } - case 45: break; - case 18: - { sb.append('\n'); - } - case 46: break; - case 9: - { return new Yytoken(Yytoken.TYPE_COMMA,null); - } - case 47: break; - case 3: - { - } - case 48: break; - default: - if (zzInput == YYEOF && zzStartRead == zzCurrentPos) { - zzAtEOF = true; - return null; - } - else { - zzScanError(ZZ_NO_MATCH); - } - } - } - } - - -} diff --git a/doc/json.lex b/src/main/jflex/json.lex similarity index 100% rename from doc/json.lex rename to src/main/jflex/json.lex