--- /dev/null
+/* spec-compiler.jj Grammer definition for the specification */
+
+options {
+ STATIC = false;
+ JAVA_UNICODE_ESCAPE = true;
+}
+
+PARSER_BEGIN(SpecParser)
+package edu.uci.eecs.specCompiler.grammerParser;
+
+ class SpecParser {
+ public static void main(String[] argvs)
+ throws ParseException, TokenMgrError {
+ SpecParser parser = new SpecParser(System.in);
+ parser.Start();
+ System.out.println("Parsing finished!");
+ }
+ }
+PARSER_END(SpecParser)
+
+SKIP : {" " | "\n" | "\r" | "\r\n" | <COMMENT>}
+
+TOKEN :
+{
+ <SPACE: (" " | "\t")+>
+|
+ <COMMENT: <SPACE> "#" (~["\n", "\r"])* ["\n", "\r"]>
+|
+ <HEAD: "/**">
+|
+ <TAIL: "*/">
+|
+ <BEGIN: "@Begin">
+|
+ <END: "@End">
+|
+
+}
+
+void Start() :
+{}
+{
+ <HEAD> <BEGIN> <END> <TAIL> <EOF>
+}
--- /dev/null
+#!/bin/bash
+
+JAVACC_PATH=/home/peizhaoo/spec-checker-compiler/javacc-6.0/bin/lib
+
+SRC_PATH=/home/peizhaoo/spec-checker-compiler/src
+OUTPUT_PATH=$SRC_PATH/edu/uci/eecs/specCompiler/grammerParser
+mkdir -p $OUTPUT_PATH
+
+GRAMMER_FILE=$SRC_PATH/../grammer/spec-compiler.jj
+
+if [ -z $1 ]; then
+ echo "Using the default grammer file: $GRAMMER_FILE."
+else
+ GRAMMER_FILE=$1
+fi
+
+echo "Deleting the old generated java files."
+rm $OUTPUT_PATH/*.java
+java -cp $JAVACC_PATH/javacc.jar javacc -OUTPUT_DIRECTORY=$OUTPUT_PATH $GRAMMER_FILE
package edu.uci.eecs.specCompiler;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+
+import org.javacc.parser.JavaCCParser;
+
+public class Init {
+ public static void main(String[] argvs) {
+ File grammerFile = new File("grammer/spec-compiler.jj");
+ FileInputStream fis;
+ try {
+ fis = new FileInputStream(grammerFile);
+ JavaCCParser parser = new JavaCCParser(fis);
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ }
+ }
+}
\ No newline at end of file
--- /dev/null
+/* Generated By:JavaCC: Do not edit this line. JavaCharStream.java Version 6.0 */
+/* JavaCCOptions:STATIC=false,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
+package edu.uci.eecs.specCompiler.grammerParser;
+
+/**
+ * An implementation of interface CharStream, where the stream is assumed to
+ * contain only ASCII characters (with java-like unicode escape processing).
+ */
+
+public
+class JavaCharStream
+{
+ /** Whether parser is static. */
+ public static final boolean staticFlag = false;
+
+ static final int hexval(char c) throws java.io.IOException {
+ switch(c)
+ {
+ case '0' :
+ return 0;
+ case '1' :
+ return 1;
+ case '2' :
+ return 2;
+ case '3' :
+ return 3;
+ case '4' :
+ return 4;
+ case '5' :
+ return 5;
+ case '6' :
+ return 6;
+ case '7' :
+ return 7;
+ case '8' :
+ return 8;
+ case '9' :
+ return 9;
+
+ case 'a' :
+ case 'A' :
+ return 10;
+ case 'b' :
+ case 'B' :
+ return 11;
+ case 'c' :
+ case 'C' :
+ return 12;
+ case 'd' :
+ case 'D' :
+ return 13;
+ case 'e' :
+ case 'E' :
+ return 14;
+ case 'f' :
+ case 'F' :
+ return 15;
+ }
+
+ throw new java.io.IOException(); // Should never come here
+ }
+
+/** Position in buffer. */
+ public int bufpos = -1;
+ int bufsize;
+ int available;
+ int tokenBegin;
+ protected int bufline[];
+ protected int bufcolumn[];
+
+ protected int column = 0;
+ protected int line = 1;
+
+ protected boolean prevCharIsCR = false;
+ protected boolean prevCharIsLF = false;
+
+ protected java.io.Reader inputStream;
+
+ protected char[] nextCharBuf;
+ protected char[] buffer;
+ protected int maxNextCharInd = 0;
+ protected int nextCharInd = -1;
+ protected int inBuf = 0;
+ protected int tabSize = 8;
+ protected boolean trackLineColumn = false;
+
+ public void setTabSize(int i) { tabSize = i; }
+ public int getTabSize() { return tabSize; }
+
+ protected void ExpandBuff(boolean wrapAround)
+ {
+ char[] newbuffer = new char[bufsize + 2048];
+ int newbufline[] = new int[bufsize + 2048];
+ int newbufcolumn[] = new int[bufsize + 2048];
+
+ try
+ {
+ if (wrapAround)
+ {
+ System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+ System.arraycopy(buffer, 0, newbuffer, bufsize - tokenBegin, bufpos);
+ buffer = newbuffer;
+
+ System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+ System.arraycopy(bufline, 0, newbufline, bufsize - tokenBegin, bufpos);
+ bufline = newbufline;
+
+ System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+ System.arraycopy(bufcolumn, 0, newbufcolumn, bufsize - tokenBegin, bufpos);
+ bufcolumn = newbufcolumn;
+
+ bufpos += (bufsize - tokenBegin);
+ }
+ else
+ {
+ System.arraycopy(buffer, tokenBegin, newbuffer, 0, bufsize - tokenBegin);
+ buffer = newbuffer;
+
+ System.arraycopy(bufline, tokenBegin, newbufline, 0, bufsize - tokenBegin);
+ bufline = newbufline;
+
+ System.arraycopy(bufcolumn, tokenBegin, newbufcolumn, 0, bufsize - tokenBegin);
+ bufcolumn = newbufcolumn;
+
+ bufpos -= tokenBegin;
+ }
+ }
+ catch (Throwable t)
+ {
+ throw new Error(t.getMessage());
+ }
+
+ available = (bufsize += 2048);
+ tokenBegin = 0;
+ }
+
+ protected void FillBuff() throws java.io.IOException
+ {
+ int i;
+ if (maxNextCharInd == 4096)
+ maxNextCharInd = nextCharInd = 0;
+
+ try {
+ if ((i = inputStream.read(nextCharBuf, maxNextCharInd,
+ 4096 - maxNextCharInd)) == -1)
+ {
+ inputStream.close();
+ throw new java.io.IOException();
+ }
+ else
+ maxNextCharInd += i;
+ return;
+ }
+ catch(java.io.IOException e) {
+ if (bufpos != 0)
+ {
+ --bufpos;
+ backup(0);
+ }
+ else
+ {
+ bufline[bufpos] = line;
+ bufcolumn[bufpos] = column;
+ }
+ throw e;
+ }
+ }
+
+ protected char ReadByte() throws java.io.IOException
+ {
+ if (++nextCharInd >= maxNextCharInd)
+ FillBuff();
+
+ return nextCharBuf[nextCharInd];
+ }
+
+/** @return starting character for token. */
+ public char BeginToken() throws java.io.IOException
+ {
+ if (inBuf > 0)
+ {
+ --inBuf;
+
+ if (++bufpos == bufsize)
+ bufpos = 0;
+
+ tokenBegin = bufpos;
+ return buffer[bufpos];
+ }
+
+ tokenBegin = 0;
+ bufpos = -1;
+
+ return readChar();
+ }
+
+ protected void AdjustBuffSize()
+ {
+ if (available == bufsize)
+ {
+ if (tokenBegin > 2048)
+ {
+ bufpos = 0;
+ available = tokenBegin;
+ }
+ else
+ ExpandBuff(false);
+ }
+ else if (available > tokenBegin)
+ available = bufsize;
+ else if ((tokenBegin - available) < 2048)
+ ExpandBuff(true);
+ else
+ available = tokenBegin;
+ }
+
+ protected void UpdateLineColumn(char c)
+ {
+ column++;
+
+ if (prevCharIsLF)
+ {
+ prevCharIsLF = false;
+ line += (column = 1);
+ }
+ else if (prevCharIsCR)
+ {
+ prevCharIsCR = false;
+ if (c == '\n')
+ {
+ prevCharIsLF = true;
+ }
+ else
+ line += (column = 1);
+ }
+
+ switch (c)
+ {
+ case '\r' :
+ prevCharIsCR = true;
+ break;
+ case '\n' :
+ prevCharIsLF = true;
+ break;
+ case '\t' :
+ column--;
+ column += (tabSize - (column % tabSize));
+ break;
+ default :
+ break;
+ }
+
+ bufline[bufpos] = line;
+ bufcolumn[bufpos] = column;
+ }
+
+/** Read a character. */
+ public char readChar() throws java.io.IOException
+ {
+ if (inBuf > 0)
+ {
+ --inBuf;
+
+ if (++bufpos == bufsize)
+ bufpos = 0;
+
+ return buffer[bufpos];
+ }
+
+ char c;
+
+ if (++bufpos == available)
+ AdjustBuffSize();
+
+ if ((buffer[bufpos] = c = ReadByte()) == '\\')
+ {
+ if (trackLineColumn) { UpdateLineColumn(c); }
+
+ int backSlashCnt = 1;
+
+ for (;;) // Read all the backslashes
+ {
+ if (++bufpos == available)
+ AdjustBuffSize();
+
+ try
+ {
+ if ((buffer[bufpos] = c = ReadByte()) != '\\')
+ {
+ if (trackLineColumn) { UpdateLineColumn(c); }
+ // found a non-backslash char.
+ if ((c == 'u') && ((backSlashCnt & 1) == 1))
+ {
+ if (--bufpos < 0)
+ bufpos = bufsize - 1;
+
+ break;
+ }
+
+ backup(backSlashCnt);
+ return '\\';
+ }
+ }
+ catch(java.io.IOException e)
+ {
+ // We are returning one backslash so we should only backup (count-1)
+ if (backSlashCnt > 1)
+ backup(backSlashCnt-1);
+
+ return '\\';
+ }
+
+ if (trackLineColumn) { UpdateLineColumn(c); }
+ backSlashCnt++;
+ }
+
+ // Here, we have seen an odd number of backslash's followed by a 'u'
+ try
+ {
+ while ((c = ReadByte()) == 'u')
+ ++column;
+
+ buffer[bufpos] = c = (char)(hexval(c) << 12 |
+ hexval(ReadByte()) << 8 |
+ hexval(ReadByte()) << 4 |
+ hexval(ReadByte()));
+
+ column += 4;
+ }
+ catch(java.io.IOException e)
+ {
+ throw new Error("Invalid escape character at line " + line +
+ " column " + column + ".");
+ }
+
+ if (backSlashCnt == 1)
+ return c;
+ else
+ {
+ backup(backSlashCnt - 1);
+ return '\\';
+ }
+ }
+ else
+ {
+ UpdateLineColumn(c);
+ return c;
+ }
+ }
+
+ @Deprecated
+ /**
+ * @deprecated
+ * @see #getEndColumn
+ */
+ public int getColumn() {
+ return bufcolumn[bufpos];
+ }
+
+ @Deprecated
+ /**
+ * @deprecated
+ * @see #getEndLine
+ */
+ public int getLine() {
+ return bufline[bufpos];
+ }
+
+/** Get end column. */
+ public int getEndColumn() {
+ return bufcolumn[bufpos];
+ }
+
+/** Get end line. */
+ public int getEndLine() {
+ return bufline[bufpos];
+ }
+
+/** @return column of token start */
+ public int getBeginColumn() {
+ return bufcolumn[tokenBegin];
+ }
+
+/** @return line number of token start */
+ public int getBeginLine() {
+ return bufline[tokenBegin];
+ }
+
+/** Retreat. */
+ public void backup(int amount) {
+
+ inBuf += amount;
+ if ((bufpos -= amount) < 0)
+ bufpos += bufsize;
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.Reader dstream,
+ int startline, int startcolumn, int buffersize)
+ {
+ inputStream = dstream;
+ line = startline;
+ column = startcolumn - 1;
+
+ available = bufsize = buffersize;
+ buffer = new char[buffersize];
+ bufline = new int[buffersize];
+ bufcolumn = new int[buffersize];
+ nextCharBuf = new char[4096];
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.Reader dstream,
+ int startline, int startcolumn)
+ {
+ this(dstream, startline, startcolumn, 4096);
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.Reader dstream)
+ {
+ this(dstream, 1, 1, 4096);
+ }
+/** Reinitialise. */
+ public void ReInit(java.io.Reader dstream,
+ int startline, int startcolumn, int buffersize)
+ {
+ inputStream = dstream;
+ line = startline;
+ column = startcolumn - 1;
+
+ if (buffer == null || buffersize != buffer.length)
+ {
+ available = bufsize = buffersize;
+ buffer = new char[buffersize];
+ bufline = new int[buffersize];
+ bufcolumn = new int[buffersize];
+ nextCharBuf = new char[4096];
+ }
+ prevCharIsLF = prevCharIsCR = false;
+ tokenBegin = inBuf = maxNextCharInd = 0;
+ nextCharInd = bufpos = -1;
+ }
+
+/** Reinitialise. */
+ public void ReInit(java.io.Reader dstream,
+ int startline, int startcolumn)
+ {
+ ReInit(dstream, startline, startcolumn, 4096);
+ }
+
+/** Reinitialise. */
+ public void ReInit(java.io.Reader dstream)
+ {
+ ReInit(dstream, 1, 1, 4096);
+ }
+/** Constructor. */
+ public JavaCharStream(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException
+ {
+ this(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.InputStream dstream, int startline,
+ int startcolumn, int buffersize)
+ {
+ this(new java.io.InputStreamReader(dstream), startline, startcolumn, 4096);
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn) throws java.io.UnsupportedEncodingException
+ {
+ this(dstream, encoding, startline, startcolumn, 4096);
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.InputStream dstream, int startline,
+ int startcolumn)
+ {
+ this(dstream, startline, startcolumn, 4096);
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException
+ {
+ this(dstream, encoding, 1, 1, 4096);
+ }
+
+/** Constructor. */
+ public JavaCharStream(java.io.InputStream dstream)
+ {
+ this(dstream, 1, 1, 4096);
+ }
+
+/** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException
+ {
+ ReInit(encoding == null ? new java.io.InputStreamReader(dstream) : new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
+ }
+
+/** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, int startline,
+ int startcolumn, int buffersize)
+ {
+ ReInit(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize);
+ }
+/** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, String encoding, int startline,
+ int startcolumn) throws java.io.UnsupportedEncodingException
+ {
+ ReInit(dstream, encoding, startline, startcolumn, 4096);
+ }
+/** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, int startline,
+ int startcolumn)
+ {
+ ReInit(dstream, startline, startcolumn, 4096);
+ }
+/** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream, String encoding) throws java.io.UnsupportedEncodingException
+ {
+ ReInit(dstream, encoding, 1, 1, 4096);
+ }
+
+/** Reinitialise. */
+ public void ReInit(java.io.InputStream dstream)
+ {
+ ReInit(dstream, 1, 1, 4096);
+ }
+
+ /** @return token image as String */
+ public String GetImage()
+ {
+ if (bufpos >= tokenBegin)
+ return new String(buffer, tokenBegin, bufpos - tokenBegin + 1);
+ else
+ return new String(buffer, tokenBegin, bufsize - tokenBegin) +
+ new String(buffer, 0, bufpos + 1);
+ }
+
+ /** @return suffix */
+ public char[] GetSuffix(int len)
+ {
+ char[] ret = new char[len];
+
+ if ((bufpos + 1) >= len)
+ System.arraycopy(buffer, bufpos - len + 1, ret, 0, len);
+ else
+ {
+ System.arraycopy(buffer, bufsize - (len - bufpos - 1), ret, 0,
+ len - bufpos - 1);
+ System.arraycopy(buffer, 0, ret, len - bufpos - 1, bufpos + 1);
+ }
+
+ return ret;
+ }
+
+ /** Set buffers back to null when finished. */
+ public void Done()
+ {
+ nextCharBuf = null;
+ buffer = null;
+ bufline = null;
+ bufcolumn = null;
+ }
+
+ /**
+ * Method to adjust line and column numbers for the start of a token.
+ */
+ public void adjustBeginLineColumn(int newLine, int newCol)
+ {
+ int start = tokenBegin;
+ int len;
+
+ if (bufpos >= tokenBegin)
+ {
+ len = bufpos - tokenBegin + inBuf + 1;
+ }
+ else
+ {
+ len = bufsize - tokenBegin + bufpos + 1 + inBuf;
+ }
+
+ int i = 0, j = 0, k = 0;
+ int nextColDiff = 0, columnDiff = 0;
+
+ while (i < len && bufline[j = start % bufsize] == bufline[k = ++start % bufsize])
+ {
+ bufline[j] = newLine;
+ nextColDiff = columnDiff + bufcolumn[k] - bufcolumn[j];
+ bufcolumn[j] = newCol + columnDiff;
+ columnDiff = nextColDiff;
+ i++;
+ }
+
+ if (i < len)
+ {
+ bufline[j] = newLine++;
+ bufcolumn[j] = newCol + columnDiff;
+
+ while (i++ < len)
+ {
+ if (bufline[j = start % bufsize] != bufline[++start % bufsize])
+ bufline[j] = newLine++;
+ else
+ bufline[j] = newLine;
+ }
+ }
+
+ line = bufline[j];
+ column = bufcolumn[j];
+ }
+ boolean getTrackLineColumn() { return trackLineColumn; }
+ void setTrackLineColumn(boolean trackLineColumn) { this.trackLineColumn = trackLineColumn; }
+
+}
+/* JavaCC - OriginalChecksum=ea8340461dd4116176ea0d0d5c055d04 (do not edit this line) */
--- /dev/null
+/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 6.0 */
+/* JavaCCOptions:KEEP_LINE_COL=null */
+package edu.uci.eecs.specCompiler.grammerParser;
+
+/**
+ * This exception is thrown when parse errors are encountered.
+ * You can explicitly create objects of this exception type by
+ * calling the method generateParseException in the generated
+ * parser.
+ *
+ * You can modify this class to customize your error reporting
+ * mechanisms so long as you retain the public fields.
+ */
+public class ParseException extends Exception {
+
+ /**
+ * The version identifier for this Serializable class.
+ * Increment only if the <i>serialized</i> form of the
+ * class changes.
+ */
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * This constructor is used by the method "generateParseException"
+ * in the generated parser. Calling this constructor generates
+ * a new object of this type with the fields "currentToken",
+ * "expectedTokenSequences", and "tokenImage" set.
+ */
+ public ParseException(Token currentTokenVal,
+ int[][] expectedTokenSequencesVal,
+ String[] tokenImageVal
+ )
+ {
+ super(initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal));
+ currentToken = currentTokenVal;
+ expectedTokenSequences = expectedTokenSequencesVal;
+ tokenImage = tokenImageVal;
+ }
+
+ /**
+ * The following constructors are for use by you for whatever
+ * purpose you can think of. Constructing the exception in this
+ * manner makes the exception behave in the normal way - i.e., as
+ * documented in the class "Throwable". The fields "errorToken",
+ * "expectedTokenSequences", and "tokenImage" do not contain
+ * relevant information. The JavaCC generated code does not use
+ * these constructors.
+ */
+
+ public ParseException() {
+ super();
+ }
+
+ /** Constructor with message. */
+ public ParseException(String message) {
+ super(message);
+ }
+
+
+ /**
+ * This is the last token that has been consumed successfully. If
+ * this object has been created due to a parse error, the token
+ * followng this token will (therefore) be the first error token.
+ */
+ public Token currentToken;
+
+ /**
+ * Each entry in this array is an array of integers. Each array
+ * of integers represents a sequence of tokens (by their ordinal
+ * values) that is expected at this point of the parse.
+ */
+ public int[][] expectedTokenSequences;
+
+ /**
+ * This is a reference to the "tokenImage" array of the generated
+ * parser within which the parse error occurred. This array is
+ * defined in the generated ...Constants interface.
+ */
+ public String[] tokenImage;
+
+ /**
+ * It uses "currentToken" and "expectedTokenSequences" to generate a parse
+ * error message and returns it. If this object has been created
+ * due to a parse error, and you do not catch it (it gets thrown
+ * from the parser) the correct error message
+ * gets displayed.
+ */
+ private static String initialise(Token currentToken,
+ int[][] expectedTokenSequences,
+ String[] tokenImage) {
+ String eol = System.getProperty("line.separator", "\n");
+ StringBuffer expected = new StringBuffer();
+ int maxSize = 0;
+ for (int i = 0; i < expectedTokenSequences.length; i++) {
+ if (maxSize < expectedTokenSequences[i].length) {
+ maxSize = expectedTokenSequences[i].length;
+ }
+ for (int j = 0; j < expectedTokenSequences[i].length; j++) {
+ expected.append(tokenImage[expectedTokenSequences[i][j]]).append(' ');
+ }
+ if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) {
+ expected.append("...");
+ }
+ expected.append(eol).append(" ");
+ }
+ String retval = "Encountered \"";
+ Token tok = currentToken.next;
+ for (int i = 0; i < maxSize; i++) {
+ if (i != 0) retval += " ";
+ if (tok.kind == 0) {
+ retval += tokenImage[0];
+ break;
+ }
+ retval += " " + tokenImage[tok.kind];
+ retval += " \"";
+ retval += add_escapes(tok.image);
+ retval += " \"";
+ tok = tok.next;
+ }
+ retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
+ retval += "." + eol;
+ if (expectedTokenSequences.length == 1) {
+ retval += "Was expecting:" + eol + " ";
+ } else {
+ retval += "Was expecting one of:" + eol + " ";
+ }
+ retval += expected.toString();
+ return retval;
+ }
+
+ /**
+ * The end of line string for this machine.
+ */
+ protected String eol = System.getProperty("line.separator", "\n");
+
+ /**
+ * Used to convert raw characters to their escaped version
+ * when these raw version cannot be used as part of an ASCII
+ * string literal.
+ */
+ static String add_escapes(String str) {
+ StringBuffer retval = new StringBuffer();
+ char ch;
+ for (int i = 0; i < str.length(); i++) {
+ switch (str.charAt(i))
+ {
+ case 0 :
+ continue;
+ case '\b':
+ retval.append("\\b");
+ continue;
+ case '\t':
+ retval.append("\\t");
+ continue;
+ case '\n':
+ retval.append("\\n");
+ continue;
+ case '\f':
+ retval.append("\\f");
+ continue;
+ case '\r':
+ retval.append("\\r");
+ continue;
+ case '\"':
+ retval.append("\\\"");
+ continue;
+ case '\'':
+ retval.append("\\\'");
+ continue;
+ case '\\':
+ retval.append("\\\\");
+ continue;
+ default:
+ if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
+ String s = "0000" + Integer.toString(ch, 16);
+ retval.append("\\u" + s.substring(s.length() - 4, s.length()));
+ } else {
+ retval.append(ch);
+ }
+ continue;
+ }
+ }
+ return retval.toString();
+ }
+
+}
+/* JavaCC - OriginalChecksum=6c280b675bd424dac28ae1eeac4fe18b (do not edit this line) */
--- /dev/null
+/* SpecParser.java */
+/* Generated By:JavaCC: Do not edit this line. SpecParser.java */
+package edu.uci.eecs.specCompiler.grammerParser;
+
+ class SpecParser implements SpecParserConstants {
+ public static void main(String[] argvs)
+ throws ParseException, TokenMgrError {
+ SpecParser parser = new SpecParser(System.in);
+ parser.Start();
+ System.out.println("Parsing finished!");
+ }
+
+ final public void Start() throws ParseException {
+ jj_consume_token(HEAD);
+ jj_consume_token(BEGIN);
+ jj_consume_token(END);
+ jj_consume_token(TAIL);
+ jj_consume_token(0);
+ }
+
+ /** Generated Token Manager. */
+ public SpecParserTokenManager token_source;
+ JavaCharStream jj_input_stream;
+ /** Current token. */
+ public Token token;
+ /** Next token. */
+ public Token jj_nt;
+ private int jj_ntk;
+ private int jj_gen;
+ final private int[] jj_la1 = new int[0];
+ static private int[] jj_la1_0;
+ static {
+ jj_la1_init_0();
+ }
+ private static void jj_la1_init_0() {
+ jj_la1_0 = new int[] {};
+ }
+
+ /** Constructor with InputStream. */
+ public SpecParser(java.io.InputStream stream) {
+ this(stream, null);
+ }
+ /** Constructor with InputStream and supplied encoding */
+ public SpecParser(java.io.InputStream stream, String encoding) {
+ try { jj_input_stream = new JavaCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
+ token_source = new SpecParserTokenManager(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream stream) {
+ ReInit(stream, null);
+ }
+ /** Reinitialise. */
+ public void ReInit(java.io.InputStream stream, String encoding) {
+ try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
+ token_source.ReInit(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ for (int i = 0; i < 0; i++) jj_la1[i] = -1;
+ }
+
+ /** Constructor. */
+ public SpecParser(java.io.Reader stream) {
+ jj_input_stream = new JavaCharStream(stream, 1, 1);
+ token_source = new SpecParserTokenManager(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ }
+
+ /** Reinitialise. */
+ public void ReInit(java.io.Reader stream) {
+ jj_input_stream.ReInit(stream, 1, 1);
+ token_source.ReInit(jj_input_stream);
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ }
+
+ /** Constructor with generated Token Manager. */
+ public SpecParser(SpecParserTokenManager tm) {
+ token_source = tm;
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ }
+
+ /** Reinitialise. */
+ public void ReInit(SpecParserTokenManager tm) {
+ token_source = tm;
+ token = new Token();
+ jj_ntk = -1;
+ jj_gen = 0;
+ }
+
+ private Token jj_consume_token(int kind) throws ParseException {
+ Token oldToken;
+ if ((oldToken = token).next != null) token = token.next;
+ else token = token.next = token_source.getNextToken();
+ jj_ntk = -1;
+ if (token.kind == kind) {
+ jj_gen++;
+ return token;
+ }
+ token = oldToken;
+ jj_kind = kind;
+ throw generateParseException();
+ }
+
+
+/** Get the next Token. */
+ final public Token getNextToken() {
+ if (token.next != null) token = token.next;
+ else token = token.next = token_source.getNextToken();
+ jj_ntk = -1;
+ jj_gen++;
+ return token;
+ }
+
+/** Get the specific Token. */
+ final public Token getToken(int index) {
+ Token t = token;
+ for (int i = 0; i < index; i++) {
+ if (t.next != null) t = t.next;
+ else t = t.next = token_source.getNextToken();
+ }
+ return t;
+ }
+
+ private int jj_ntk_f() {
+ if ((jj_nt=token.next) == null)
+ return (jj_ntk = (token.next=token_source.getNextToken()).kind);
+ else
+ return (jj_ntk = jj_nt.kind);
+ }
+
+ private java.util.List<int[]> jj_expentries = new java.util.ArrayList<int[]>();
+ private int[] jj_expentry;
+ private int jj_kind = -1;
+
+ /** Generate ParseException. */
+ public ParseException generateParseException() {
+ jj_expentries.clear();
+ boolean[] la1tokens = new boolean[11];
+ if (jj_kind >= 0) {
+ la1tokens[jj_kind] = true;
+ jj_kind = -1;
+ }
+ for (int i = 0; i < 0; i++) {
+ if (jj_la1[i] == jj_gen) {
+ for (int j = 0; j < 32; j++) {
+ if ((jj_la1_0[i] & (1<<j)) != 0) {
+ la1tokens[j] = true;
+ }
+ }
+ }
+ }
+ for (int i = 0; i < 11; i++) {
+ if (la1tokens[i]) {
+ jj_expentry = new int[1];
+ jj_expentry[0] = i;
+ jj_expentries.add(jj_expentry);
+ }
+ }
+ int[][] exptokseq = new int[jj_expentries.size()][];
+ for (int i = 0; i < jj_expentries.size(); i++) {
+ exptokseq[i] = jj_expentries.get(i);
+ }
+ return new ParseException(token, exptokseq, tokenImage);
+ }
+
+ /** Enable tracing. */
+ final public void enable_tracing() {
+ }
+
+ /** Disable tracing. */
+ final public void disable_tracing() {
+ }
+
+ }
--- /dev/null
+/* Generated By:JavaCC: Do not edit this line. SpecParserConstants.java */
+package edu.uci.eecs.specCompiler.grammerParser;
+
+
+/**
+ * Token literal values and constants.
+ * Generated by org.javacc.parser.OtherFilesGen#start()
+ */
+public interface SpecParserConstants {
+
+ /** End of File. */
+ int EOF = 0;
+ /** RegularExpression Id. */
+ int SPACE = 5;
+ /** RegularExpression Id. */
+ int HEAD = 6;
+ /** RegularExpression Id. */
+ int TAIL = 7;
+ /** RegularExpression Id. */
+ int BEGIN = 8;
+ /** RegularExpression Id. */
+ int END = 9;
+ /** RegularExpression Id. */
+ int COMMENT = 10;
+
+ /** Lexical state. */
+ int DEFAULT = 0;
+
+ /** Literal token values. */
+ String[] tokenImage = {
+ "<EOF>",
+ "\" \"",
+ "\"\\n\"",
+ "\"\\r\"",
+ "\"\\r\\n\"",
+ "<SPACE>",
+ "\"/**\"",
+ "\"*/\"",
+ "\"@Begin\"",
+ "\"@End\"",
+ "<COMMENT>",
+ };
+
+}
--- /dev/null
+/* SpecParserTokenManager.java */
+/* Generated By:JavaCC: Do not edit this line. SpecParserTokenManager.java */
+package edu.uci.eecs.specCompiler.grammerParser;
+
+/** Token Manager. */
+@SuppressWarnings("unused")public class SpecParserTokenManager implements SpecParserConstants {
+
+ /** Debug output. */
+ public java.io.PrintStream debugStream = System.out;
+ /** Set debug output. */
+ public void setDebugStream(java.io.PrintStream ds) { debugStream = ds; }
+private final int jjStopStringLiteralDfa_0(int pos, long active0){
+ switch (pos)
+ {
+ case 0:
+ if ((active0 & 0x2L) != 0L)
+ return 6;
+ return -1;
+ default :
+ return -1;
+ }
+}
+private final int jjStartNfa_0(int pos, long active0){
+ return jjMoveNfa_0(jjStopStringLiteralDfa_0(pos, active0), pos + 1);
+}
+private int jjStopAtPos(int pos, int kind)
+{
+ jjmatchedKind = kind;
+ jjmatchedPos = pos;
+ return pos + 1;
+}
+private int jjMoveStringLiteralDfa0_0(){
+ switch(curChar)
+ {
+ case 13:
+ jjmatchedKind = 3;
+ return jjMoveStringLiteralDfa1_0(0x10L);
+ case 32:
+ return jjStartNfaWithStates_0(0, 1, 6);
+ case 42:
+ return jjMoveStringLiteralDfa1_0(0x80L);
+ case 47:
+ return jjMoveStringLiteralDfa1_0(0x40L);
+ case 64:
+ return jjMoveStringLiteralDfa1_0(0x300L);
+ default :
+ return jjMoveNfa_0(0, 0);
+ }
+}
+private int jjMoveStringLiteralDfa1_0(long active0){
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(0, active0);
+ return 1;
+ }
+ switch(curChar)
+ {
+ case 10:
+ if ((active0 & 0x10L) != 0L)
+ return jjStopAtPos(1, 4);
+ break;
+ case 42:
+ return jjMoveStringLiteralDfa2_0(active0, 0x40L);
+ case 47:
+ if ((active0 & 0x80L) != 0L)
+ return jjStopAtPos(1, 7);
+ break;
+ case 66:
+ return jjMoveStringLiteralDfa2_0(active0, 0x100L);
+ case 69:
+ return jjMoveStringLiteralDfa2_0(active0, 0x200L);
+ default :
+ break;
+ }
+ return jjStartNfa_0(0, active0);
+}
+private int jjMoveStringLiteralDfa2_0(long old0, long active0){
+ if (((active0 &= old0)) == 0L)
+ return jjStartNfa_0(0, old0);
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(1, active0);
+ return 2;
+ }
+ switch(curChar)
+ {
+ case 42:
+ if ((active0 & 0x40L) != 0L)
+ return jjStopAtPos(2, 6);
+ break;
+ case 101:
+ return jjMoveStringLiteralDfa3_0(active0, 0x100L);
+ case 110:
+ return jjMoveStringLiteralDfa3_0(active0, 0x200L);
+ default :
+ break;
+ }
+ return jjStartNfa_0(1, active0);
+}
+private int jjMoveStringLiteralDfa3_0(long old0, long active0){
+ if (((active0 &= old0)) == 0L)
+ return jjStartNfa_0(1, old0);
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(2, active0);
+ return 3;
+ }
+ switch(curChar)
+ {
+ case 100:
+ if ((active0 & 0x200L) != 0L)
+ return jjStopAtPos(3, 9);
+ break;
+ case 103:
+ return jjMoveStringLiteralDfa4_0(active0, 0x100L);
+ default :
+ break;
+ }
+ return jjStartNfa_0(2, active0);
+}
+private int jjMoveStringLiteralDfa4_0(long old0, long active0){
+ if (((active0 &= old0)) == 0L)
+ return jjStartNfa_0(2, old0);
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(3, active0);
+ return 4;
+ }
+ switch(curChar)
+ {
+ case 105:
+ return jjMoveStringLiteralDfa5_0(active0, 0x100L);
+ default :
+ break;
+ }
+ return jjStartNfa_0(3, active0);
+}
+private int jjMoveStringLiteralDfa5_0(long old0, long active0){
+ if (((active0 &= old0)) == 0L)
+ return jjStartNfa_0(3, old0);
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) {
+ jjStopStringLiteralDfa_0(4, active0);
+ return 5;
+ }
+ switch(curChar)
+ {
+ case 110:
+ if ((active0 & 0x100L) != 0L)
+ return jjStopAtPos(5, 8);
+ break;
+ default :
+ break;
+ }
+ return jjStartNfa_0(4, active0);
+}
+private int jjStartNfaWithStates_0(int pos, int kind, int state)
+{
+ jjmatchedKind = kind;
+ jjmatchedPos = pos;
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) { return pos + 1; }
+ return jjMoveNfa_0(state, pos + 1);
+}
+static final long[] jjbitVec0 = {
+ 0xfffffffffffffffeL, 0xffffffffffffffffL, 0xffffffffffffffffL, 0xffffffffffffffffL
+};
+static final long[] jjbitVec2 = {
+ 0x0L, 0x0L, 0xffffffffffffffffL, 0xffffffffffffffffL
+};
+private int jjMoveNfa_0(int startState, int curPos)
+{
+ int startsAt = 0;
+ jjnewStateCnt = 6;
+ int i = 1;
+ jjstateSet[0] = startState;
+ int kind = 0x7fffffff;
+ for (;;)
+ {
+ if (++jjround == 0x7fffffff)
+ ReInitRounds();
+ if (curChar < 64)
+ {
+ long l = 1L << curChar;
+ do
+ {
+ switch(jjstateSet[--i])
+ {
+ case 6:
+ if ((0x100000200L & l) != 0L)
+ { jjCheckNAddTwoStates(2, 3); }
+ else if (curChar == 35)
+ { jjCheckNAddTwoStates(4, 5); }
+ if ((0x100000200L & l) != 0L)
+ {
+ if (kind > 5)
+ kind = 5;
+ { jjCheckNAdd(1); }
+ }
+ break;
+ case 0:
+ if ((0x100000200L & l) == 0L)
+ break;
+ if (kind > 5)
+ kind = 5;
+ { jjCheckNAddStates(0, 2); }
+ break;
+ case 1:
+ if ((0x100000200L & l) == 0L)
+ break;
+ if (kind > 5)
+ kind = 5;
+ { jjCheckNAdd(1); }
+ break;
+ case 2:
+ if ((0x100000200L & l) != 0L)
+ { jjCheckNAddTwoStates(2, 3); }
+ break;
+ case 3:
+ if (curChar == 35)
+ { jjCheckNAddTwoStates(4, 5); }
+ break;
+ case 4:
+ if ((0xffffffffffffdbffL & l) != 0L)
+ { jjCheckNAddTwoStates(4, 5); }
+ break;
+ case 5:
+ if ((0x2400L & l) != 0L)
+ kind = 10;
+ break;
+ default : break;
+ }
+ } while(i != startsAt);
+ }
+ else if (curChar < 128)
+ {
+ long l = 1L << (curChar & 077);
+ do
+ {
+ switch(jjstateSet[--i])
+ {
+ case 4:
+ { jjAddStates(3, 4); }
+ break;
+ default : break;
+ }
+ } while(i != startsAt);
+ }
+ else
+ {
+ int hiByte = (curChar >> 8);
+ int i1 = hiByte >> 6;
+ long l1 = 1L << (hiByte & 077);
+ int i2 = (curChar & 0xff) >> 6;
+ long l2 = 1L << (curChar & 077);
+ do
+ {
+ switch(jjstateSet[--i])
+ {
+ case 4:
+ if (jjCanMove_0(hiByte, i1, i2, l1, l2))
+ { jjAddStates(3, 4); }
+ break;
+ default : if (i1 == 0 || l1 == 0 || i2 == 0 || l2 == 0) break; else break;
+ }
+ } while(i != startsAt);
+ }
+ if (kind != 0x7fffffff)
+ {
+ jjmatchedKind = kind;
+ jjmatchedPos = curPos;
+ kind = 0x7fffffff;
+ }
+ ++curPos;
+ if ((i = jjnewStateCnt) == (startsAt = 6 - (jjnewStateCnt = startsAt)))
+ return curPos;
+ try { curChar = input_stream.readChar(); }
+ catch(java.io.IOException e) { return curPos; }
+ }
+}
+static final int[] jjnextStates = {
+ 1, 2, 3, 4, 5,
+};
+private static final boolean jjCanMove_0(int hiByte, int i1, int i2, long l1, long l2)
+{
+ switch(hiByte)
+ {
+ case 0:
+ return ((jjbitVec2[i2] & l2) != 0L);
+ default :
+ if ((jjbitVec0[i1] & l1) != 0L)
+ return true;
+ return false;
+ }
+}
+
+/** Token literal values. */
+public static final String[] jjstrLiteralImages = {
+"", null, null, null, null, null, "\57\52\52", "\52\57",
+"\100\102\145\147\151\156", "\100\105\156\144", null, };
+protected Token jjFillToken()
+{
+ final Token t;
+ final String curTokenImage;
+ final int beginLine;
+ final int endLine;
+ final int beginColumn;
+ final int endColumn;
+ String im = jjstrLiteralImages[jjmatchedKind];
+ curTokenImage = (im == null) ? input_stream.GetImage() : im;
+ beginLine = input_stream.getBeginLine();
+ beginColumn = input_stream.getBeginColumn();
+ endLine = input_stream.getEndLine();
+ endColumn = input_stream.getEndColumn();
+ t = Token.newToken(jjmatchedKind, curTokenImage);
+
+ t.beginLine = beginLine;
+ t.endLine = endLine;
+ t.beginColumn = beginColumn;
+ t.endColumn = endColumn;
+
+ return t;
+}
+
+int curLexState = 0;
+int defaultLexState = 0;
+int jjnewStateCnt;
+int jjround;
+int jjmatchedPos;
+int jjmatchedKind;
+
+/** Get the next Token. */
+public Token getNextToken()
+{
+ Token matchedToken;
+ int curPos = 0;
+
+ EOFLoop :
+ for (;;)
+ {
+ try
+ {
+ curChar = input_stream.BeginToken();
+ }
+ catch(java.io.IOException e)
+ {
+ jjmatchedKind = 0;
+ jjmatchedPos = -1;
+ matchedToken = jjFillToken();
+ return matchedToken;
+ }
+
+ try { input_stream.backup(0);
+ while (curChar <= 10 && (0x400L & (1L << curChar)) != 0L)
+ curChar = input_stream.BeginToken();
+ }
+ catch (java.io.IOException e1) { continue EOFLoop; }
+ jjmatchedKind = 0x7fffffff;
+ jjmatchedPos = 0;
+ curPos = jjMoveStringLiteralDfa0_0();
+ if (jjmatchedKind != 0x7fffffff)
+ {
+ if (jjmatchedPos + 1 < curPos)
+ input_stream.backup(curPos - jjmatchedPos - 1);
+ if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L)
+ {
+ matchedToken = jjFillToken();
+ return matchedToken;
+ }
+ else
+ {
+ continue EOFLoop;
+ }
+ }
+ int error_line = input_stream.getEndLine();
+ int error_column = input_stream.getEndColumn();
+ String error_after = null;
+ boolean EOFSeen = false;
+ try { input_stream.readChar(); input_stream.backup(1); }
+ catch (java.io.IOException e1) {
+ EOFSeen = true;
+ error_after = curPos <= 1 ? "" : input_stream.GetImage();
+ if (curChar == '\n' || curChar == '\r') {
+ error_line++;
+ error_column = 0;
+ }
+ else
+ error_column++;
+ }
+ if (!EOFSeen) {
+ input_stream.backup(1);
+ error_after = curPos <= 1 ? "" : input_stream.GetImage();
+ }
+ throw new TokenMgrError(EOFSeen, curLexState, error_line, error_column, error_after, curChar, TokenMgrError.LEXICAL_ERROR);
+ }
+}
+
+private void jjCheckNAdd(int state)
+{
+ if (jjrounds[state] != jjround)
+ {
+ jjstateSet[jjnewStateCnt++] = state;
+ jjrounds[state] = jjround;
+ }
+}
+private void jjAddStates(int start, int end)
+{
+ do {
+ jjstateSet[jjnewStateCnt++] = jjnextStates[start];
+ } while (start++ != end);
+}
+private void jjCheckNAddTwoStates(int state1, int state2)
+{
+ jjCheckNAdd(state1);
+ jjCheckNAdd(state2);
+}
+
+private void jjCheckNAddStates(int start, int end)
+{
+ do {
+ jjCheckNAdd(jjnextStates[start]);
+ } while (start++ != end);
+}
+
+ /** Constructor. */
+ public SpecParserTokenManager(JavaCharStream stream){
+
+ if (JavaCharStream.staticFlag)
+ throw new Error("ERROR: Cannot use a static CharStream class with a non-static lexical analyzer.");
+
+ input_stream = stream;
+ }
+
+ /** Constructor. */
+ public SpecParserTokenManager (JavaCharStream stream, int lexState){
+ ReInit(stream);
+ SwitchTo(lexState);
+ }
+
+ /** Reinitialise parser. */
+ public void ReInit(JavaCharStream stream)
+ {
+ jjmatchedPos = jjnewStateCnt = 0;
+ curLexState = defaultLexState;
+ input_stream = stream;
+ ReInitRounds();
+ }
+
+ private void ReInitRounds()
+ {
+ int i;
+ jjround = 0x80000001;
+ for (i = 6; i-- > 0;)
+ jjrounds[i] = 0x80000000;
+ }
+
+ /** Reinitialise parser. */
+ public void ReInit(JavaCharStream stream, int lexState)
+ {
+ ReInit(stream);
+ SwitchTo(lexState);
+ }
+
+ /** Switch to specified lex state. */
+ public void SwitchTo(int lexState)
+ {
+ if (lexState >= 1 || lexState < 0)
+ throw new TokenMgrError("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", TokenMgrError.INVALID_LEXICAL_STATE);
+ else
+ curLexState = lexState;
+ }
+
+/** Lexer state names. */
+public static final String[] lexStateNames = {
+ "DEFAULT",
+};
+static final long[] jjtoToken = {
+ 0x7e1L,
+};
+static final long[] jjtoSkip = {
+ 0x1eL,
+};
+ protected JavaCharStream input_stream;
+
+ private final int[] jjrounds = new int[6];
+ private final int[] jjstateSet = new int[2 * 6];
+
+
+ protected char curChar;
+}
--- /dev/null
+/* Generated By:JavaCC: Do not edit this line. Token.java Version 6.0 */
+/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
+package edu.uci.eecs.specCompiler.grammerParser;
+
+/**
+ * Describes the input token stream.
+ */
+
+public class Token implements java.io.Serializable {
+
+ /**
+ * The version identifier for this Serializable class.
+ * Increment only if the <i>serialized</i> form of the
+ * class changes.
+ */
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * An integer that describes the kind of this token. This numbering
+ * system is determined by JavaCCParser, and a table of these numbers is
+ * stored in the file ...Constants.java.
+ */
+ public int kind;
+
+ /** The line number of the first character of this Token. */
+ public int beginLine;
+ /** The column number of the first character of this Token. */
+ public int beginColumn;
+ /** The line number of the last character of this Token. */
+ public int endLine;
+ /** The column number of the last character of this Token. */
+ public int endColumn;
+
+ /**
+ * The string image of the token.
+ */
+ public String image;
+
+ /**
+ * A reference to the next regular (non-special) token from the input
+ * stream. If this is the last token from the input stream, or if the
+ * token manager has not read tokens beyond this one, this field is
+ * set to null. This is true only if this token is also a regular
+ * token. Otherwise, see below for a description of the contents of
+ * this field.
+ */
+ public Token next;
+
+ /**
+ * This field is used to access special tokens that occur prior to this
+ * token, but after the immediately preceding regular (non-special) token.
+ * If there are no such special tokens, this field is set to null.
+ * When there are more than one such special token, this field refers
+ * to the last of these special tokens, which in turn refers to the next
+ * previous special token through its specialToken field, and so on
+ * until the first special token (whose specialToken field is null).
+ * The next fields of special tokens refer to other special tokens that
+ * immediately follow it (without an intervening regular token). If there
+ * is no such token, this field is null.
+ */
+ public Token specialToken;
+
+ /**
+ * An optional attribute value of the Token.
+ * Tokens which are not used as syntactic sugar will often contain
+ * meaningful values that will be used later on by the compiler or
+ * interpreter. This attribute value is often different from the image.
+ * Any subclass of Token that actually wants to return a non-null value can
+ * override this method as appropriate.
+ */
+ public Object getValue() {
+ return null;
+ }
+
+ /**
+ * No-argument constructor
+ */
+ public Token() {}
+
+ /**
+ * Constructs a new token for the specified Image.
+ */
+ public Token(int kind)
+ {
+ this(kind, null);
+ }
+
+ /**
+ * Constructs a new token for the specified Image and Kind.
+ */
+ public Token(int kind, String image)
+ {
+ this.kind = kind;
+ this.image = image;
+ }
+
+ /**
+ * Returns the image.
+ */
+ public String toString()
+ {
+ return image;
+ }
+
+ /**
+ * Returns a new Token object, by default. However, if you want, you
+ * can create and return subclass objects based on the value of ofKind.
+ * Simply add the cases to the switch for all those special cases.
+ * For example, if you have a subclass of Token called IDToken that
+ * you want to create if ofKind is ID, simply add something like :
+ *
+ * case MyParserConstants.ID : return new IDToken(ofKind, image);
+ *
+ * to the following switch statement. Then you can cast matchedToken
+ * variable to the appropriate type and use sit in your lexical actions.
+ */
+ public static Token newToken(int ofKind, String image)
+ {
+ switch(ofKind)
+ {
+ default : return new Token(ofKind, image);
+ }
+ }
+
+ public static Token newToken(int ofKind)
+ {
+ return newToken(ofKind, null);
+ }
+
+}
+/* JavaCC - OriginalChecksum=18eda2afade0ceae0dcc2af47721f3e5 (do not edit this line) */
--- /dev/null
+/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 6.0 */
+/* JavaCCOptions: */
+package edu.uci.eecs.specCompiler.grammerParser;
+
+/** Token Manager Error. */
+public class TokenMgrError extends Error
+{
+
+ /**
+ * The version identifier for this Serializable class.
+ * Increment only if the <i>serialized</i> form of the
+ * class changes.
+ */
+ private static final long serialVersionUID = 1L;
+
+ /*
+ * Ordinals for various reasons why an Error of this type can be thrown.
+ */
+
+ /**
+ * Lexical error occurred.
+ */
+ static final int LEXICAL_ERROR = 0;
+
+ /**
+ * An attempt was made to create a second instance of a static token manager.
+ */
+ static final int STATIC_LEXER_ERROR = 1;
+
+ /**
+ * Tried to change to an invalid lexical state.
+ */
+ static final int INVALID_LEXICAL_STATE = 2;
+
+ /**
+ * Detected (and bailed out of) an infinite loop in the token manager.
+ */
+ static final int LOOP_DETECTED = 3;
+
+ /**
+ * Indicates the reason why the exception is thrown. It will have
+ * one of the above 4 values.
+ */
+ int errorCode;
+
+ /**
+ * Replaces unprintable characters by their escaped (or unicode escaped)
+ * equivalents in the given string
+ */
+ protected static final String addEscapes(String str) {
+ StringBuffer retval = new StringBuffer();
+ char ch;
+ for (int i = 0; i < str.length(); i++) {
+ switch (str.charAt(i))
+ {
+ case 0 :
+ continue;
+ case '\b':
+ retval.append("\\b");
+ continue;
+ case '\t':
+ retval.append("\\t");
+ continue;
+ case '\n':
+ retval.append("\\n");
+ continue;
+ case '\f':
+ retval.append("\\f");
+ continue;
+ case '\r':
+ retval.append("\\r");
+ continue;
+ case '\"':
+ retval.append("\\\"");
+ continue;
+ case '\'':
+ retval.append("\\\'");
+ continue;
+ case '\\':
+ retval.append("\\\\");
+ continue;
+ default:
+ if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
+ String s = "0000" + Integer.toString(ch, 16);
+ retval.append("\\u" + s.substring(s.length() - 4, s.length()));
+ } else {
+ retval.append(ch);
+ }
+ continue;
+ }
+ }
+ return retval.toString();
+ }
+
+ /**
+ * Returns a detailed message for the Error when it is thrown by the
+ * token manager to indicate a lexical error.
+ * Parameters :
+ * EOFSeen : indicates if EOF caused the lexical error
+ * curLexState : lexical state in which this error occurred
+ * errorLine : line number when the error occurred
+ * errorColumn : column number when the error occurred
+ * errorAfter : prefix that was seen before this error occurred
+ * curchar : the offending character
+ * Note: You can customize the lexical error message by modifying this method.
+ */
+ protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
+ return("Lexical error at line " +
+ errorLine + ", column " +
+ errorColumn + ". Encountered: " +
+ (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
+ "after : \"" + addEscapes(errorAfter) + "\"");
+ }
+
+ /**
+ * You can also modify the body of this method to customize your error messages.
+ * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
+ * of end-users concern, so you can return something like :
+ *
+ * "Internal Error : Please file a bug report .... "
+ *
+ * from this method for such cases in the release version of your parser.
+ */
+ public String getMessage() {
+ return super.getMessage();
+ }
+
+ /*
+ * Constructors of various flavors follow.
+ */
+
+ /** No arg constructor. */
+ public TokenMgrError() {
+ }
+
+ /** Constructor with message and reason. */
+ public TokenMgrError(String message, int reason) {
+ super(message);
+ errorCode = reason;
+ }
+
+ /** Full Constructor. */
+ public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
+ this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
+ }
+}
+/* JavaCC - OriginalChecksum=219bbc6381b9c487f5c86bfcf4dd5001 (do not edit this line) */
projects / cdsspec-compiler.git / commitdiff