24  */

    24  */

    25 

    25 

    26 package com.sun.tools.javac.util;

    26 package com.sun.tools.javac.util;

    27 

    27 

    28 import java.util.BitSet;

    28 import java.util.BitSet;

    29 import static com.sun.tools.javac.util.LayoutCharacters.*;

    32 import static com.sun.tools.javac.util.LayoutCharacters.*;

    30 

    33 

    31 /** A class that defines source code positions as simple character

    34 /** A class that defines source code positions as simple character

    32  *  offsets from the beginning of the file. The first character

    35  *  offsets from the beginning of the file. The first character

    33  *  is at position 0.

    36  *  is at position 0.

   172 

   175 

   173         public int getStartPosition(int line) {

   176         public int getStartPosition(int line) {

   174             return startPosition[line - FIRSTLINE];

   177             return startPosition[line - FIRSTLINE];

   175         }

   178         }

   176 

   179 

   177         public long getStartPosition(long line) {

   181         public long getStartPosition(long line) {

   178             return getStartPosition(longToInt(line));

   182             return getStartPosition(longToInt(line));

   179         }

   183         }

   180 

   184 

   181         public int getPosition(int line, int column) {

   185         public int getPosition(int line, int column) {

   182             return startPosition[line - FIRSTLINE] + column - FIRSTCOLUMN;

   186             return startPosition[line - FIRSTLINE] + column - FIRSTCOLUMN;

   183         }

   187         }

   184 

   188 

   185         public long getPosition(long line, long column) {

   190         public long getPosition(long line, long column) {

   186             return getPosition(longToInt(line), longToInt(column));

   191             return getPosition(longToInt(line), longToInt(column));

   187         }

   192         }

   188 

   193 

   189         // Cache of last line number lookup

   194         // Cache of last line number lookup

   213             }

   218             }

   214             lastLine = low;

   219             lastLine = low;

   215             return lastLine;  // pos is on this line

   220             return lastLine;  // pos is on this line

   216         }

   221         }

   217 

   222 

   218         public long getLineNumber(long pos) {

   224         public long getLineNumber(long pos) {

   219             return getLineNumber(longToInt(pos));

   225             return getLineNumber(longToInt(pos));

   220         }

   226         }

   221 

   227 

   222         public int getColumnNumber(int pos) {

   228         public int getColumnNumber(int pos) {

   223             return pos - startPosition[getLineNumber(pos) - FIRSTLINE] + FIRSTCOLUMN;

   229             return pos - startPosition[getLineNumber(pos) - FIRSTLINE] + FIRSTCOLUMN;

   224         }

   230         }

   225 

   231 

   226         public long getColumnNumber(long pos) {

   233         public long getColumnNumber(long pos) {

   227             return getColumnNumber(longToInt(pos));

   234             return getColumnNumber(longToInt(pos));

   228         }

   235         }

   229 

   236 

   230         private static int longToInt(long longValue) {

   237         private static int longToInt(long longValue) {