| /* The following code was generated by JFlex 1.4.3 on 1.6.16 7:31 */ |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.modules.languages.ini.lexer; |
| |
| import org.netbeans.spi.lexer.LexerInput; |
| import org.netbeans.spi.lexer.LexerRestartInfo; |
| import org.netbeans.modules.web.common.api.ByteStack; |
| |
| @org.netbeans.api.annotations.common.SuppressWarnings({"SF_SWITCH_FALLTHROUGH", "URF_UNREAD_FIELD", "DLS_DEAD_LOCAL_STORE", "DM_DEFAULT_ENCODING"}) |
| |
| /** |
| * This class is a scanner generated by |
| * <a href="http://www.jflex.de/">JFlex</a> 1.4.3 |
| * on 1.6.16 7:31 from the specification file |
| * <tt>/home/gapon/worx/sun/nb-main/languages.ini/tools/IniColoringLexer.flex</tt> |
| */ |
| public class IniColoringLexer { |
| |
| /** This character denotes the end of file */ |
| public static final int YYEOF = LexerInput.EOF; |
| |
| /** initial size of the lookahead buffer */ |
| private static final int ZZ_BUFFERSIZE = 16384; |
| |
| /** lexical states */ |
| public static final int ST_HIGHLIGHTING_ERROR = 12; |
| public static final int ST_IN_VALUE = 10; |
| public static final int ST_IN_BLOCK = 2; |
| public static final int YYINITIAL = 0; |
| public static final int ST_IN_KEY = 8; |
| public static final int ST_IN_SECTION = 4; |
| public static final int ST_AFTER_SECTION = 6; |
| |
| /** |
| * 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, 3, 3, 4, 4, 5, 5, 6, 6 |
| }; |
| |
| /** |
| * Translates characters to character classes |
| */ |
| private static final String ZZ_CMAP_PACKED = |
| "\11\0\1\1\1\3\2\0\1\2\22\0\1\1\1\0\1\4\4\0"+ |
| "\1\6\23\0\1\10\1\0\1\7\35\0\1\11\1\5\1\12\uffa2\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 = |
| "\7\0\2\1\1\2\3\3\1\4\1\2\1\5\1\6"+ |
| "\1\7\1\10\1\3\2\11\1\12\1\3\1\13\1\14"+ |
| "\1\3\2\14\1\15\1\10\1\11\1\10\1\0\1\16"+ |
| "\1\0\1\14\1\0\1\14\2\0"; |
| |
| private static int [] zzUnpackAction() { |
| int [] result = new int[41]; |
| 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\13\0\26\0\41\0\54\0\67\0\102\0\115"+ |
| "\0\130\0\115\0\143\0\156\0\115\0\171\0\204\0\217"+ |
| "\0\115\0\115\0\232\0\245\0\260\0\115\0\273\0\306"+ |
| "\0\115\0\321\0\334\0\347\0\362\0\375\0\115\0\u0108"+ |
| "\0\u0113\0\204\0\115\0\u011e\0\u0129\0\u0134\0\u013f\0\u014a"+ |
| "\0\u0155"; |
| |
| private static int [] zzUnpackRowMap() { |
| int [] result = new int[41]; |
| 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\10\1\11\10\10\1\12\1\13\1\14\1\15\4\12"+ |
| "\1\16\1\17\1\12\11\20\1\21\1\22\1\23\1\24"+ |
| "\1\25\1\26\4\23\1\16\2\23\1\27\1\30\1\25"+ |
| "\1\26\3\27\1\31\1\16\2\27\1\32\1\33\1\25"+ |
| "\1\26\1\34\1\32\1\35\1\32\1\36\2\32\1\37"+ |
| "\1\40\1\41\10\37\16\0\1\10\10\0\1\13\14\0"+ |
| "\1\15\7\0\2\16\2\0\7\16\2\42\2\0\6\42"+ |
| "\1\43\11\20\2\0\2\23\2\0\4\23\1\0\3\23"+ |
| "\1\24\2\0\4\23\1\0\2\23\3\0\1\26\7\0"+ |
| "\2\27\2\0\3\27\2\0\3\27\1\30\2\0\3\27"+ |
| "\2\0\2\27\2\32\2\0\4\32\1\0\3\32\1\33"+ |
| "\2\0\1\34\1\32\1\35\1\32\1\0\2\32\2\34"+ |
| "\2\44\1\32\1\45\2\34\1\44\2\34\2\35\2\46"+ |
| "\1\35\1\47\1\32\1\35\1\46\2\35\2\36\2\0"+ |
| "\7\36\1\0\1\40\14\0\1\37\7\0\4\44\1\32"+ |
| "\1\50\5\44\2\34\2\44\1\34\1\45\2\34\1\44"+ |
| "\2\34\5\46\1\51\1\32\4\46\2\35\2\46\1\35"+ |
| "\1\47\2\35\1\46\2\35\4\44\1\34\1\50\5\44"+ |
| "\5\46\1\51\1\35\4\46"; |
| |
| private static int [] zzUnpackTrans() { |
| int [] result = new int[352]; |
| 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[] = { |
| "Unkown 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 = |
| "\7\0\1\11\1\1\1\11\2\1\1\11\3\1\2\11"+ |
| "\3\1\1\11\2\1\1\11\5\1\1\11\2\1\1\0"+ |
| "\1\11\1\0\1\1\1\0\1\1\2\0"; |
| |
| private static int [] zzUnpackAttribute() { |
| int [] result = new int[41]; |
| 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 textposition at the last state to be included in yytext */ |
| private int zzPushbackPos; |
| |
| /** 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 = false; |
| |
| /* user code: */ |
| |
| private ByteStack stack = new ByteStack(); |
| |
| private LexerInput input; |
| |
| public IniColoringLexer(LexerRestartInfo info) { |
| this.input = info.input(); |
| if(info.state() != null) { |
| //reset state |
| setState((LexerState) info.state()); |
| } else { |
| zzState = zzLexicalState = YYINITIAL; |
| stack.clear(); |
| } |
| |
| } |
| |
| public static final class LexerState { |
| final ByteStack stack; |
| /** the current state of the DFA */ |
| final int zzState; |
| /** the current lexical state */ |
| final int zzLexicalState; |
| |
| LexerState(ByteStack stack, int zzState, int zzLexicalState) { |
| this.stack = stack; |
| this.zzState = zzState; |
| this.zzLexicalState = zzLexicalState; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || obj.getClass() != this.getClass()) { |
| return false; |
| } |
| LexerState state = (LexerState) obj; |
| return (this.stack.equals(state.stack) |
| && (this.zzState == state.zzState) |
| && (this.zzLexicalState == state.zzLexicalState)); |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = 11; |
| hash = 31 * hash + this.zzState; |
| hash = 31 * hash + this.zzLexicalState; |
| if (stack != null) { |
| hash = 31 * hash + this.stack.hashCode(); |
| } |
| return hash; |
| } |
| } |
| |
| public LexerState getState() { |
| return new LexerState(stack.copyOf(), zzState, zzLexicalState); |
| } |
| |
| public void setState(LexerState state) { |
| this.stack.copyFrom(state.stack); |
| this.zzState = state.zzState; |
| this.zzLexicalState = state.zzLexicalState; |
| } |
| |
| protected int getZZLexicalState() { |
| return zzLexicalState; |
| } |
| |
| protected void popState() { |
| yybegin(stack.pop()); |
| } |
| |
| protected void pushState(final int state) { |
| stack.push(getZZLexicalState()); |
| yybegin(state); |
| } |
| |
| |
| // End user code |
| |
| |
| |
| /** |
| * 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. |
| */ |
| public IniColoringLexer(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. |
| */ |
| public IniColoringLexer(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 < 40) { |
| int count = packed.charAt(i++); |
| char value = packed.charAt(i++); |
| do map[j++] = value; while (--count > 0); |
| } |
| return map; |
| } |
| |
| |
| |
| /** |
| * 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 |
| * <b>cannot</b> be reused (internal buffer is discarded and lost). |
| * Lexical state is set to <tt>ZZ_INITIAL</tt>. |
| * |
| * @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 = zzPushbackPos = 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 input.readText().toString(); |
| } |
| |
| |
| /** |
| * 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 input.readText().charAt(pos); |
| } |
| |
| |
| /** |
| * Returns the length of the matched text region. |
| */ |
| public final int yylength() { |
| return input.readLength(); |
| } |
| |
| |
| /** |
| * 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); |
| |
| input.backup(number); |
| //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 |
| */ |
| @SuppressWarnings("fallthrough") |
| public IniTokenId nextToken() throws java.io.IOException { |
| 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; |
| |
| zzAction = -1; |
| |
| //zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL; |
| int tokenLength = 0; |
| |
| zzState = ZZ_LEXSTATE[zzLexicalState]; |
| |
| |
| zzForAction: { |
| while (true) { |
| zzInput = input.read(); |
| |
| if(zzInput == LexerInput.EOF) { |
| //end of input reached |
| zzInput = YYEOF; |
| break zzForAction; |
| //notice: currently LexerInput.EOF == YYEOF |
| } |
| |
| int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ]; |
| if (zzNext == -1) break zzForAction; |
| zzState = zzNext; |
| |
| int zzAttributes = zzAttrL[zzState]; |
| if ( (zzAttributes & 1) == 1 ) { |
| zzAction = zzState; |
| tokenLength = input.readLength(); |
| if ( (zzAttributes & 8) == 8 ) break zzForAction; |
| } |
| |
| } |
| } |
| |
| // store back cached position |
| if(zzInput != YYEOF) { |
| input.backup(input.readLength() - tokenLength); |
| } |
| |
| switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) { |
| case 13: |
| { popState(); |
| return IniTokenId.INI_COMMENT; |
| } |
| case 15: break; |
| case 4: |
| { return IniTokenId.INI_COMMENT; |
| } |
| case 16: break; |
| case 6: |
| { return IniTokenId.INI_SECTION_DELIM; |
| } |
| case 17: break; |
| case 7: |
| { popState(); |
| pushState(ST_AFTER_SECTION); |
| return IniTokenId.INI_SECTION_DELIM; |
| } |
| case 18: break; |
| case 1: |
| { yypushback(yylength()); |
| pushState(ST_IN_BLOCK); |
| } |
| case 19: break; |
| case 11: |
| { popState(); |
| pushState(ST_IN_VALUE); |
| return IniTokenId.INI_EQUALS; |
| } |
| case 20: break; |
| case 14: |
| { yypushback(yylength()); |
| pushState(ST_IN_SECTION); |
| } |
| case 21: break; |
| case 10: |
| { return IniTokenId.INI_KEY; |
| } |
| case 22: break; |
| case 5: |
| { return IniTokenId.INI_SECTION; |
| } |
| case 23: break; |
| case 8: |
| { return IniTokenId.INI_ERROR; |
| } |
| case 24: break; |
| case 12: |
| { return IniTokenId.INI_VALUE; |
| } |
| case 25: break; |
| case 2: |
| { pushState(ST_IN_KEY); |
| yypushback(yylength()); |
| } |
| case 26: break; |
| case 9: |
| { popState(); |
| return IniTokenId.INI_WHITESPACE; |
| } |
| case 27: break; |
| case 3: |
| { return IniTokenId.INI_WHITESPACE; |
| } |
| case 28: break; |
| default: |
| if (zzInput == YYEOF) |
| //zzAtEOF = true; |
| { if(input.readLength() > 0) { |
| // backup eof |
| input.backup(1); |
| //and return the text as error token |
| return IniTokenId.INI_ERROR; |
| } else { |
| return null; |
| } |
| } |
| |
| else { |
| zzScanError(ZZ_NO_MATCH); |
| } |
| } |
| } |
| } |
| |
| |
| } |