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Start of line number support for Scanner2.

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This commit is contained in:
John Camelon 2004-07-22 19:02:45 +00:00
parent cb47b164a0
commit 05fa0e698c
1 changed files with 12 additions and 0 deletions
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12
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/Scanner2.java
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@ -93,6 +93,7 @@ public class Scanner2 implements IScanner, IScannerData {
private Object[] bufferData = new Object[bufferInitialSize];
private int[] bufferPos = new int[bufferInitialSize];
private int[] bufferLimit = new int[bufferInitialSize];
private int[] bufferLineNums = new int[bufferInitialSize];
// Utility
private static String[] emptyStringArray = new String[0];
@ -173,10 +174,16 @@ public class Scanner2 implements IScanner, IScannerData {
int[] oldBufferLimit = bufferLimit;
bufferLimit = new int[size];
System.arraycopy(oldBufferLimit, 0, bufferLimit, 0, oldBufferLimit.length);
int [] oldBufferLineNums = bufferLineNums;
bufferLineNums = new int[size];
System.arraycopy( oldBufferLineNums, 0, bufferLineNums, 0, oldBufferLineNums.length);
}
bufferStack[bufferStackPos] = buffer;
bufferPos[bufferStackPos] = -1;
bufferLineNums[ bufferStackPos ] = 0;
bufferLimit[bufferStackPos] = buffer.length;
}
@ -192,6 +199,7 @@ public class Scanner2 implements IScanner, IScannerData {
if( bufferData[bufferStackPos] instanceof InclusionData )
requestor.enterInclusion( ((InclusionData)bufferData[bufferStackPos]).inclusion );
bufferData[bufferStackPos] = null;
bufferLineNums[bufferStackPos] = 0;
--bufferStackPos;
}
@ -358,6 +366,10 @@ public class Scanner2 implements IScanner, IScannerData {
int pos = bufferPos[bufferStackPos];
switch (buffer[pos]) {
case '\n':
++bufferLineNums[bufferStackPos];
continue;
case 'L':
if (pos + 1 < limit && buffer[pos + 1] == '"')
return scanString();