Files
ByteEdit/src/org/fife/ui/rsyntaxtextarea/modes/JsonTokenMaker.java
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2021-03-07 15:22:55 +01:00

714 lines
21 KiB
Java

/* The following code was generated by JFlex 1.4.1 on 8/22/15 3:14 PM */
/*
* 12/23/2012
* JsonTokenMaker.java - Scanner for JSON.
* This library is distributed under a modified BSD license. See the included
* RSyntaxTextArea.License.txt file for details.
*/
package org.fife.ui.rsyntaxtextarea.modes;
import java.io.IOException;
import java.io.Reader;
import javax.swing.text.Segment;
import org.fife.ui.rsyntaxtextarea.AbstractJFlexTokenMaker;
import org.fife.ui.rsyntaxtextarea.Token;
import org.fife.ui.rsyntaxtextarea.TokenImpl;
/**
* Scanner for JSON.
* <p>
*
* This implementation was created using
* <a href="http://www.jflex.de/">JFlex</a> 1.4.1; however, the generated file
* was modified for performance. Memory allocation needs to be almost completely
* removed to be competitive with the handwritten lexers (subclasses of
* <code>AbstractTokenMaker</code>, so this class has been modified so that
* Strings are never allocated (via yytext()), and the scanner never has to
* worry about refilling its buffer (needlessly copying chars around). We can
* achieve this because RText always scans exactly 1 line of tokens at a time,
* and hands the scanner this line as an array of characters (a Segment really).
* Since tokens contain pointers to char arrays instead of Strings holding their
* contents, there is no need for allocating new memory for Strings.
* <p>
*
* The actual algorithm generated for scanning has, of course, not been
* modified.
* <p>
*
* If you wish to regenerate this file yourself, keep in mind the following:
* <ul>
* <li>The generated <code>JsonTokenMaker.java</code> file will contain two
* definitions of both <code>zzRefill</code> and <code>yyreset</code>. You
* should hand-delete the second of each definition (the ones generated by the
* lexer), as these generated methods modify the input buffer, which we'll never
* have to do.</li>
* <li>You should also change the declaration/definition of zzBuffer to NOT be
* initialized. This is a needless memory allocation for us since we will be
* pointing the array somewhere else anyway.</li>
* <li>You should NOT call <code>yylex()</code> on the generated scanner
* directly; rather, you should use <code>getTokenList</code> as you would with
* any other <code>TokenMaker</code> instance.</li>
* </ul>
*
* @author Robert Futrell
* @version 0.6
*
*/
public class JsonTokenMaker extends AbstractJFlexTokenMaker {
/** This character denotes the end of file */
public static final int YYEOF = -1;
/** lexical states */
public static final int EOL_COMMENT = 1;
public static final int YYINITIAL = 0;
/**
* Translates characters to character classes
*/
private static final String ZZ_CMAP_PACKED = "\11\0\1\1\1\10\1\0\1\1\23\0\1\1\1\3\1\11\1\3"
+ "\1\2\1\3\5\3\1\21\1\6\1\7\1\17\1\16\12\4\1\32" + "\1\3\1\0\1\3\1\0\2\3\4\5\1\20\1\5\24\2\1\33"
+ "\1\13\1\33\1\0\1\3\1\0\1\26\1\15\2\5\1\24\1\25" + "\1\2\1\34\1\36\2\2\1\27\1\2\1\14\1\2\1\35\1\2"
+ "\1\23\1\30\1\22\1\12\1\2\1\37\3\2\1\31\1\0\1\31" + "\1\3\uff81\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\1\1\1\2\1\3\2\1\1\4\4\1\1\5"
+ "\1\6\1\7\3\6\2\0\1\4\1\10\1\4\1\1" + "\1\11\2\1\4\0\2\12\1\0\1\13\1\4\1\14"
+ "\1\4\3\1\4\0\1\4\1\15\1\16\2\0\1\17" + "\1\4\2\0\1\4";
private static int[] zzUnpackAction() {
int[] result = new int[55];
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\40\0\100\0\140\0\200\0\240\0\300\0\340"
+ "\0\u0100\0\u0120\0\u0140\0\u0160\0\240\0\u0180\0\240\0\u01a0"
+ "\0\u01c0\0\u01e0\0\u0200\0\u0220\0\u0240\0\u0260\0\u0280\0\u02a0"
+ "\0\240\0\u02c0\0\u02e0\0\u0300\0\u0320\0\u0340\0\u0360\0\u0380"
+ "\0\u03a0\0\u03a0\0\240\0\u03c0\0\240\0\u03e0\0\u0400\0\u0420"
+ "\0\u0440\0\u0460\0\u0480\0\u04a0\0\u04c0\0\u04e0\0\100\0\100"
+ "\0\u0500\0\u0520\0\u0540\0\u0560\0\u0580\0\u0540\0\u05a0";
private static int[] zzUnpackRowMap() {
int[] result = new int[55];
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 = "\1\3\1\4\2\3\1\5\1\3\1\6\1\7\1\3"
+ "\1\10\2\3\1\11\1\3\1\12\3\3\1\13\2\3" + "\1\14\3\3\1\15\1\6\1\15\4\3\10\16\1\17"
+ "\14\16\1\20\6\16\1\21\2\16\1\22\1\3\1\0" + "\4\3\1\0\2\3\1\0\4\3\1\0\12\3\3\0"
+ "\4\3\1\0\1\4\42\0\1\5\12\0\1\23\1\24" + "\3\0\1\24\57\0\1\5\33\0\10\10\1\25\1\26"
+ "\1\10\1\27\24\10\1\3\1\0\4\3\1\0\2\3" + "\1\0\1\30\3\3\1\0\12\3\3\0\4\3\16\0"
+ "\1\31\21\0\1\3\1\0\4\3\1\0\2\3\1\0" + "\4\3\1\0\4\3\1\32\5\3\3\0\5\3\1\0"
+ "\4\3\1\0\2\3\1\0\4\3\1\0\7\3\1\33" + "\2\3\3\0\4\3\10\16\1\0\14\16\1\0\6\16"
+ "\1\0\2\16\23\0\1\34\13\0\1\35\23\0\1\36" + "\54\0\1\37\4\0\1\40\37\0\1\41\2\0\1\42"
+ "\11\0\1\42\16\0\11\25\1\43\1\25\1\44\24\25" + "\32\0\1\45\5\0\10\25\1\0\1\10\1\46\4\10"
+ "\3\25\2\10\1\25\1\10\12\25\1\3\1\0\4\3" + "\1\0\2\3\1\0\4\3\1\0\10\3\1\47\1\3"
+ "\3\0\5\3\1\0\4\3\1\0\2\3\1\0\1\50" + "\3\3\1\0\12\3\3\0\5\3\1\0\4\3\1\0"
+ "\2\3\1\0\4\3\1\0\10\3\1\51\1\3\3\0" + "\4\3\35\0\1\52\31\0\1\53\32\0\1\54\54\0"
+ "\1\55\4\0\1\40\13\0\1\24\3\0\1\24\17\0" + "\1\41\33\0\10\25\1\0\33\25\2\56\3\25\1\43"
+ "\1\25\1\44\1\25\1\56\2\25\1\56\3\25\3\56" + "\11\25\1\3\1\0\4\3\1\0\2\3\1\0\4\3"
+ "\1\0\10\3\1\57\1\3\3\0\5\3\1\0\4\3" + "\1\0\2\3\1\0\4\3\1\0\5\3\1\60\4\3"
+ "\3\0\5\3\1\0\4\3\1\0\2\3\1\0\4\3" + "\1\0\11\3\1\50\3\0\4\3\32\0\1\61\31\0"
+ "\1\52\50\0\1\62\21\0\1\63\20\0\4\25\2\64" + "\3\25\1\43\1\25\1\44\1\25\1\64\2\25\1\64"
+ "\3\25\3\64\11\25\16\0\1\65\51\0\1\52\1\0" + "\1\61\7\0\1\63\1\66\2\63\2\66\2\0\1\63"
+ "\1\0\3\63\1\66\1\63\1\66\7\63\1\0\2\66" + "\4\63\4\25\2\67\3\25\1\43\1\25\1\44\1\25"
+ "\1\67\2\25\1\67\3\25\3\67\11\25\16\0\1\63" + "\21\0\4\25\2\10\3\25\1\43\1\25\1\44\1\25"
+ "\1\10\2\25\1\10\3\25\3\10\11\25";
private static int[] zzUnpackTrans() {
int[] result = new int[1472];
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 = "\2\0\3\1\1\11\6\1\1\11\1\1\1\11\3\1"
+ "\2\0\1\1\1\3\2\1\1\11\2\1\4\0\2\1" + "\1\0\1\11\1\1\1\15\4\1\4\0\3\1\2\0" + "\2\1\2\0\1\1";
private static int[] zzUnpackAttribute() {
int[] result = new int[55];
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[];
/** 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;
/** zzAtEOF == true <=> the scanner is at the EOF */
private boolean zzAtEOF;
/* user code: */
private boolean highlightEolComments;
/**
* Constructor. This must be here because JFlex does not generate a no-parameter
* constructor.
*/
public JsonTokenMaker() {
}
/**
* Adds the token specified to the current linked list of tokens.
*
* @param tokenType The token's type.
* @see #addToken(int, int, int)
*/
private void addHyperlinkToken(int start, int end, int tokenType) {
int so = start + offsetShift;
addToken(zzBuffer, start, end, tokenType, so, true);
}
/**
* Adds the token specified to the current linked list of tokens.
*
* @param tokenType The token's type.
*/
private void addToken(int tokenType) {
addToken(zzStartRead, zzMarkedPos - 1, tokenType);
}
/**
* Adds the token specified to the current linked list of tokens.
*
* @param tokenType The token's type.
*/
private void addToken(int start, int end, int tokenType) {
int so = start + offsetShift;
addToken(zzBuffer, start, end, tokenType, so, false);
}
/**
* Adds the token specified to the current linked list of tokens.
*
* @param array The character array.
* @param start The starting offset in the array.
* @param end The ending offset in the array.
* @param tokenType The token's type.
* @param startOffset The offset in the document at which this token occurs.
* @param hyperlink Whether this token is a hyperlink.
*/
@Override
public void addToken(char[] array, int start, int end, int tokenType, int startOffset, boolean hyperlink) {
super.addToken(array, start, end, tokenType, startOffset, hyperlink);
zzStartRead = zzMarkedPos;
}
/**
* Returns <code>true</code> always as C-style languages use curly braces to
* denote code blocks.
*
* @return <code>true</code> always.
*/
public boolean getCurlyBracesDenoteCodeBlocks() {
return true;
}
@Override
public boolean getMarkOccurrencesOfTokenType(int type) {
return false;
}
@Override
public boolean getShouldIndentNextLineAfter(Token t) {
if (t != null && t.length() == 1) {
char ch = t.charAt(0);
return ch == '{' || ch == '[';
}
return false;
}
/**
* Returns the first token in the linked list of tokens generated from
* <code>text</code>. This method must be implemented by subclasses so they can
* correctly implement syntax highlighting.
*
* @param text The text from which to get tokens.
* @param initialTokenType The token type we should start with.
* @param startOffset The offset into the document at which
* <code>text</code> starts.
* @return The first <code>Token</code> in a linked list representing the syntax
* highlighted text.
*/
@Override
public Token getTokenList(Segment text, int initialTokenType, int startOffset) {
resetTokenList();
this.offsetShift = -text.offset + startOffset;
// Start off in the proper state.
int state = YYINITIAL;
start = text.offset;
s = text;
try {
yyreset(zzReader);
yybegin(state);
return yylex();
} catch (IOException ioe) {
ioe.printStackTrace();
return new TokenImpl();
}
}
protected void setHighlightEolComments(boolean highlightEolComments) {
this.highlightEolComments = highlightEolComments;
}
/**
* Refills the input buffer.
*
* @return <code>true</code> if EOF was reached, otherwise <code>false</code>.
*/
private boolean zzRefill() {
return zzCurrentPos >= s.offset + s.count;
}
/**
* 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>YY_INITIAL</tt>.
*
* @param reader the new input stream
*/
public final void yyreset(Reader reader) {
// 's' has been updated.
zzBuffer = s.array;
/*
* We replaced the line below with the two below it because zzRefill no longer
* "refills" the buffer (since the way we do it, it's always "full" the first
* time through, since it points to the segment's array). So, we assign
* zzEndRead here.
*/
// zzStartRead = zzEndRead = s.offset;
zzStartRead = s.offset;
zzEndRead = zzStartRead + s.count - 1;
zzCurrentPos = zzMarkedPos = s.offset;
zzLexicalState = YYINITIAL;
zzReader = reader;
zzAtEOF = false;
}
/**
* 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 JsonTokenMaker(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 JsonTokenMaker(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 < 124) {
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();
}
/**
* Returns the current lexical state.
*/
public final int yystate() {
return zzLexicalState;
}
/**
* Enters a new lexical state
*
* @param newState the new lexical state
*/
@Override
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 <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[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 org.fife.ui.rsyntaxtextarea.Token yylex() 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;
int zzPushbackPosL = zzPushbackPos = -1;
boolean zzWasPushback;
while (true) {
zzMarkedPosL = zzMarkedPos;
zzAction = -1;
zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
zzState = zzLexicalState;
zzWasPushback = false;
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;
zzPushbackPos = zzPushbackPosL;
boolean eof = zzRefill();
// get translated positions and possibly new buffer
zzCurrentPosL = zzCurrentPos;
zzMarkedPosL = zzMarkedPos;
zzBufferL = zzBuffer;
zzEndReadL = zzEndRead;
zzPushbackPosL = zzPushbackPos;
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 & 2) == 2)
zzPushbackPosL = zzCurrentPosL;
if ((zzAttributes & 1) == 1) {
zzWasPushback = (zzAttributes & 4) == 4;
zzAction = zzState;
zzMarkedPosL = zzCurrentPosL;
if ((zzAttributes & 8) == 8)
break zzForAction;
}
}
}
// store back cached position
zzMarkedPos = zzMarkedPosL;
if (zzWasPushback)
zzMarkedPos = zzPushbackPosL;
switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
case 13: {
addToken(Token.RESERVED_WORD);
}
case 16:
break;
case 1: {
addToken(Token.IDENTIFIER);
}
case 17:
break;
case 10: {
addToken(Token.LITERAL_NUMBER_FLOAT);
}
case 18:
break;
case 8: {
addToken(Token.LITERAL_STRING_DOUBLE_QUOTE);
}
case 19:
break;
case 12: {
addToken(Token.VARIABLE);
}
case 20:
break;
case 9: {
if (highlightEolComments) {
start = zzMarkedPos - 2;
yybegin(EOL_COMMENT);
} else {
addToken(Token.IDENTIFIER);
}
}
case 21:
break;
case 2: {
addToken(Token.WHITESPACE);
}
case 22:
break;
case 15: {
int temp = zzStartRead;
addToken(start, zzStartRead - 1, Token.COMMENT_EOL);
addHyperlinkToken(temp, zzMarkedPos - 1, Token.COMMENT_EOL);
start = zzMarkedPos;
}
case 23:
break;
case 3: {
addToken(Token.LITERAL_NUMBER_DECIMAL_INT);
}
case 24:
break;
case 14: {
addToken(Token.LITERAL_BOOLEAN);
}
case 25:
break;
case 4: {
addToken(Token.ERROR_STRING_DOUBLE);
addNullToken();
return firstToken;
}
case 26:
break;
case 7: {
addToken(start, zzStartRead - 1, Token.COMMENT_EOL);
addNullToken();
return firstToken;
}
case 27:
break;
case 11: {
addToken(Token.ERROR_STRING_DOUBLE);
}
case 28:
break;
case 6: {
}
case 29:
break;
case 5: {
addToken(Token.SEPARATOR);
}
case 30:
break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
switch (zzLexicalState) {
case EOL_COMMENT: {
addToken(start, zzStartRead - 1, Token.COMMENT_EOL);
addNullToken();
return firstToken;
}
case 56:
break;
case YYINITIAL: {
addNullToken();
return firstToken;
}
case 57:
break;
default:
return null;
}
} else {
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}