mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-04-23 22:52:11 +02:00
Cosmetics.
This commit is contained in:
Sergey Prigogin
parent
bf5f005736
commit
2bc250198d
6 changed files with 88 additions and 94 deletions
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@ -6,9 +6,8 @@
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Markus Schorn - initial API and implementation
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*******************************************************************************/
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package org.eclipse.cdt.core.internal.tests;
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import java.util.Random;
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@ -6,9 +6,8 @@
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Markus Schorn - initial API and implementation
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*******************************************************************************/
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package org.eclipse.cdt.internal.core;
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import java.io.PrintStream;
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@ -38,7 +37,7 @@ public class PositionTracker implements IPositionConverter {
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}
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/**
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* Undo the retirement to make this the head of a tracker chain again.
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* Undoes the retirement to make this the head of a tracker chain again.
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*/
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synchronized void revive() {
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fFollowedBy = null;
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@ -47,6 +46,7 @@ public class PositionTracker implements IPositionConverter {
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/**
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* Notifies the tracker of the insertion of characters.
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* It is assumed that character get inserted before the offset.
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*
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* @param offset offset of the character in front of which insertion occurs.
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* @param count amount of characters inserted.
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*/
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@ -63,6 +63,7 @@ public class PositionTracker implements IPositionConverter {
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* Notifies the tracker of the removal of characters.
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* delete(0,1) removes the first character,
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* for convenience delete(1,-1) does the same.
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*
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* @param offset offset of the first character deleted.
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* @param count amount of characters deleted.
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*/
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@ -71,8 +72,7 @@ public class PositionTracker implements IPositionConverter {
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assert offset >= 0;
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if (count < 0) {
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delete(offset + count, -count);
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}
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else {
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} else {
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if (count == 0 || offset < 0) {
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return;
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}
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@ -82,6 +82,7 @@ public class PositionTracker implements IPositionConverter {
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/**
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* Calculates the position in the original unmodified text.
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*
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* @param currentOffset position in the modified text.
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* @return position in the unmodified text.
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*/
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@ -100,6 +101,7 @@ public class PositionTracker implements IPositionConverter {
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/**
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* Calculates the position in the modified text.
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*
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* @param historicOffset position in the unmodified text.
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* @return position in the modified text.
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*/
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@ -117,7 +119,8 @@ public class PositionTracker implements IPositionConverter {
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/**
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* Makes this tracker final. Future changes are tracked by the tracker
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* supplied and will be taken into acoount when converting positions.
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* supplied and will be taken into account when converting positions.
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*
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* @param inFavourOf tracker that tracks changes from now on.
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*/
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public synchronized void retire(PositionTracker inFavourOf) {
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@ -173,7 +176,7 @@ public class PositionTracker implements IPositionConverter {
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int historic= historicOffset(actual, true);
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if (len > 0) {
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len= historicOffset(actual+len-1, false) - historic + 1;
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len= historicOffset(actual + len - 1, false) - historic + 1;
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}
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assert len >= 0;
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return new Region(historic, len);
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@ -186,7 +189,7 @@ public class PositionTracker implements IPositionConverter {
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int actual= currentOffset(historic, true);
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if (len > 0) {
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len= currentOffset(historic+len-1, false) - actual + 1;
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len= currentOffset(historic + len - 1, false) - actual + 1;
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}
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assert len >= 0;
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return new Region(actual, len);
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@ -194,15 +197,16 @@ public class PositionTracker implements IPositionConverter {
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/**
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* Nodes implementing a red black binary tree.
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*
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* @author markus.schorn@windriver.com
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*/
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private static class Node {
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private static final boolean RED = true;
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private static final boolean BLACK = false;
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private int fDeltaPos2; // sum of this and pos2 of parent yields pos2.
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private int fDeltaPos2; // Sum of this and pos2 of parent yields pos2.
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private int fPos1;
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private int fChange; // lenght of text change (+ add, - remove)
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private int fChange; // Length of text change (+ add, - remove)
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private boolean fColor;
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private Node fLeft;
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@ -230,61 +234,61 @@ public class PositionTracker implements IPositionConverter {
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return StrictMath.max(fLeft.depth(), fRight.depth()) + 1;
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}
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// forward calculation
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// Forward calculation.
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int calculateCurrentOffset(int value1, int parentPos2, boolean nextOnDelete) {
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int fPos2 = parentPos2 + fDeltaPos2;
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int rel1 = value1 - fPos1;
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// is value ahead of this change?
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// Is value ahead of this change?
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if (rel1 < 0) {
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if (fLeft != null) {
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return fLeft.calculateCurrentOffset(value1, fPos2, nextOnDelete);
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}
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// value is directly ahead of this change.
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// Value is directly ahead of this change.
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return rel1 + fPos2;
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}
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// is value deleted by this?
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// Is value deleted by this?
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if (rel1 < -fChange) {
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return nextOnDelete ? fPos2 : fPos2-1;
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return nextOnDelete ? fPos2 : fPos2 - 1;
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}
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// value is after this change.
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// Value is after this change.
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if (fRight != null) {
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return fRight.calculateCurrentOffset(value1, fPos2, nextOnDelete);
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}
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// value is directly after this change.
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// Value is directly after this change.
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return rel1 + fPos2 + fChange;
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}
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// backward calculation
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// Backward calculation.
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int calculateOriginalOffset(int value2, int parentPos2, boolean nextOnDelete) {
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int fPos2 = parentPos2 + fDeltaPos2;
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int rel2 = value2 - fPos2;
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// is value ahead of this change?
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// Is value ahead of this change?
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if (rel2 < 0) {
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if (fLeft != null) {
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return fLeft.calculateOriginalOffset(value2, fPos2, nextOnDelete);
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}
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// value is directly ahead of this change.
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// Value is directly ahead of this change.
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return rel2 + fPos1;
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}
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// is value added by this?
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// Is value added by this?
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if (rel2 < fChange) {
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return nextOnDelete ? fPos1 : fPos1-1;
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return nextOnDelete ? fPos1 : fPos1 - 1;
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}
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// offset is behind this change.
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// Offset is behind this change.
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if (fRight != null) {
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return fRight.calculateOriginalOffset(value2, fPos2, nextOnDelete);
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}
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// offset is directly behind this change.
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// Offset is directly behind this change.
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return rel2 + fPos1 - fChange;
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}
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@ -292,48 +296,47 @@ public class PositionTracker implements IPositionConverter {
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int rel2 = value2 - fPos2;
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if (fParent != null) {
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fParent.balance(); // this may change both the parent and fDeltaPos2;
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fParent.balance(); // This may change both the parent and fDeltaPos2;
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}
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// added ahead of this change?
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// Added ahead of this change?
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if (rel2 < 0) {
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fDeltaPos2 += add; // advance
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fDeltaPos2 += add; // Advance
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if (fLeft != null) {
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int childPos2 = fPos2 + fLeft.fDeltaPos2;
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fLeft.fDeltaPos2 -= add; // unadvance
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fLeft.addChars(value2, add, childPos2); // use modified parent pos
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fLeft.fDeltaPos2 -= add; // Unadvance
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fLeft.addChars(value2, add, childPos2); // Use modified parent pos
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return;
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}
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addLeft(rel2 + fPos1, rel2 - add, add); // modify delta pos
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addLeft(rel2 + fPos1, rel2 - add, add); // Modify delta pos
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return;
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}
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// added inside range of another change?
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int range2 = (fChange > 0) ? fChange : 0;
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// Added inside range of another change?
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int range2 = fChange > 0 ? fChange : 0;
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if (rel2 <= range2 && !isHolder()) {
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fChange += add;
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// insert in a deletion at the end
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if (fChange<=0) {
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fPos1+= add;
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fDeltaPos2+= add;
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// Insert in a deletion at the end
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if (fChange <= 0) {
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fPos1 += add;
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fDeltaPos2 += add;
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if (fLeft != null) {
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fLeft.fDeltaPos2 -= add;
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}
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}
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else if (fRight != null) {
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} else if (fRight != null) {
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fRight.fDeltaPos2 += add; // advance right branch
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}
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return;
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}
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// added behind this change.
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// Added behind this change.
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if (fRight != null) {
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fRight.addChars(value2, add, fPos2 + fRight.fDeltaPos2);
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return;
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}
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// added directly behind this change
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// Added directly behind this change.
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addRight(rel2 + fPos1 - fChange, rel2, add);
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}
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@ -341,16 +344,16 @@ public class PositionTracker implements IPositionConverter {
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int relFirstChar2 = firstChar2 - fPos2;
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int relAfterLastChar2 = relFirstChar2 + remove;
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// no insertion - no balancing
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// No insertion - no balancing
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if (mustRemove && fParent != null) {
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fParent.balance();
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}
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// ahead and no merge possible
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// Ahead and no merge possible.
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if (relAfterLastChar2 < 0) {
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fDeltaPos2 -= remove; // advance
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fDeltaPos2 -= remove; // Advance
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if (fLeft != null) {
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fLeft.fDeltaPos2 += remove; // unadvance
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fLeft.fDeltaPos2 += remove; // Unadvance
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return fLeft.removeChars(firstChar2, remove, fPos2 - remove + fLeft.fDeltaPos2, mustRemove);
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}
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@ -361,7 +364,7 @@ public class PositionTracker implements IPositionConverter {
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return false;
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}
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// behind and no merge possible
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// Behind and no merge possible.
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int range2 = (fChange > 0) ? fChange : 0;
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if (relFirstChar2 > range2 || isHolder()) {
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if (fRight != null) {
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@ -386,7 +389,7 @@ public class PositionTracker implements IPositionConverter {
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}
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int delInside = remove - delAbove - delBelow;
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// delegate above to left children
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// Delegate above to left children.
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if (delAbove > 0 && fLeft != null) {
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if (fLeft.removeChars(firstChar2, delAbove, fPos2 + fLeft.fDeltaPos2, false)) {
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fDeltaPos2 -= delAbove;
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@ -395,14 +398,14 @@ public class PositionTracker implements IPositionConverter {
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delAbove = 0;
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}
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}
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// delegate below to right children
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// Delegate below to right children.
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if (delBelow > 0 && fRight != null) {
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if (fRight.removeChars(fPos2 + range2, delBelow, fPos2 + fRight.fDeltaPos2, false)) {
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delBelow = 0;
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}
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}
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// do the adjustments in this node
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// Do the adjustments in this node.
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fChange -= delAbove + delInside + delBelow;
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fDeltaPos2 -= delAbove;
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fPos1 -= delAbove;
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@ -485,7 +488,7 @@ public class PositionTracker implements IPositionConverter {
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int aboveLeft = -root.fDeltaPos2 - left.fDeltaPos2;
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int leftRoot = left.fDeltaPos2;
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// put under old parent
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// Put under old parent.
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if (fParent.fLeft == this) {
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fParent.putLeft(left);
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} else {
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@ -493,7 +496,7 @@ public class PositionTracker implements IPositionConverter {
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}
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left.fDeltaPos2 += rootAbove;
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// change the right node
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// Change the right node.
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left.putRight(root);
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root.fDeltaPos2 += aboveLeft;
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@ -515,7 +518,7 @@ public class PositionTracker implements IPositionConverter {
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int parentRight = -root.fDeltaPos2 - right.fDeltaPos2;
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int rightRoot = right.fDeltaPos2;
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// put under old parent
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// Put under old parent.
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if (fParent.fRight == this) {
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fParent.putRight(right);
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} else {
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@ -523,11 +526,11 @@ public class PositionTracker implements IPositionConverter {
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}
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right.fDeltaPos2 += rootAbove;
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// change the left node
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// Change the left node.
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right.putLeft(root);
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root.fDeltaPos2 += parentRight;
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// change right of left node.
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// Change right of left node.
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root.putRight(rightLeft);
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if (rightLeft != null) {
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rightLeft.fDeltaPos2 += rightRoot;
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@ -1,18 +1,18 @@
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/*******************************************************************************
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* Copyright (c) 2006, 2008 Wind River Systems, Inc. and others.
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* Copyright (c) 2006, 2014 Wind River Systems, Inc. and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Markus Schorn - initial API and implementation
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* Markus Schorn - initial API and implementation
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*******************************************************************************/
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package org.eclipse.cdt.internal.core;
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import java.util.ArrayDeque;
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import java.util.Deque;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.ListIterator;
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import org.eclipse.jface.text.DocumentEvent;
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import org.eclipse.jface.text.IDocument;
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@ -26,7 +26,7 @@ class PositionTrackerChain implements IDocumentListener {
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private static final int MAX_DEPTH = 100; // 100 saves
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private static final long MAX_AGE = 24 * 60 * 60 * 1000; // one day
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private LinkedList<PositionTracker> fTrackers= new LinkedList<PositionTracker>();
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private Deque<PositionTracker> fTrackers= new ArrayDeque<>();
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private PositionTracker fActiveTracker;
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private IDocument fDocument;
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@ -35,13 +35,12 @@ class PositionTrackerChain implements IDocumentListener {
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}
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public int createCheckpoint(long timestamp) {
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// travel in time
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// Travel in time.
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while (fActiveTracker != null && fActiveTracker.getTimeStamp() >= timestamp) {
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fTrackers.removeLast();
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if (fTrackers.isEmpty()) {
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fActiveTracker= null;
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}
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else {
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} else {
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fActiveTracker= fTrackers.getLast();
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fActiveTracker.revive();
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}
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@ -76,7 +75,7 @@ class PositionTrackerChain implements IDocumentListener {
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.IPositionUpdater#update(org.eclipse.jface.text.DocumentEvent)
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* @see org.eclipse.jface.text.IPositionUpdater#update(DocumentEvent)
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*/
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private void update(DocumentEvent event) {
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String text = event.getText();
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@ -93,19 +92,19 @@ class PositionTrackerChain implements IDocumentListener {
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}
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/**
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* Find the nearest tracker created at or after the given time.
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* Finds the nearest tracker created at or after the given time.
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*
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* @param timestamp in milliseconds.
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* @return the tracker nearest to the timestamp, <code>null</code> if all were created before.
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*/
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public PositionTracker findTrackerAtOrAfter(long timestamp) {
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PositionTracker candidate= null;
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for (ListIterator<PositionTracker> iter = fTrackers.listIterator(fTrackers.size()); iter.hasPrevious();) {
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PositionTracker tracker = iter.previous();
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for (Iterator<PositionTracker> iter = fTrackers.descendingIterator(); iter.hasNext();) {
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PositionTracker tracker = iter.next();
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long trackerTimestamp= tracker.getTimeStamp();
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if (trackerTimestamp >= timestamp) {
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candidate= tracker;
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}
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else {
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} else {
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break;
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}
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}
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@ -113,13 +112,14 @@ class PositionTrackerChain implements IDocumentListener {
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}
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/**
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* Find the tracker created at the given time.
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* Finds the tracker created at the given time.
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*
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* @param timestamp in milliseconds.
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* @return the tracker at the timestamp, <code>null</code> if none created at the given time.
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*/
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public PositionTracker findTrackerAt(long timestamp) {
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for (ListIterator<PositionTracker> iter = fTrackers.listIterator(fTrackers.size()); iter.hasPrevious();) {
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PositionTracker tracker = iter.previous();
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for (Iterator<PositionTracker> iter = fTrackers.descendingIterator(); iter.hasNext();) {
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PositionTracker tracker = iter.next();
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long trackerTimestamp= tracker.getTimeStamp();
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if (trackerTimestamp == timestamp) {
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return tracker;
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@ -132,7 +132,7 @@ class PositionTrackerChain implements IDocumentListener {
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}
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/**
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* Destroy the tracker.
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* Destroys the tracker.
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*/
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public void dispose() {
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stopTracking();
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@ -162,7 +162,7 @@ class PositionTrackerChain implements IDocumentListener {
|
|||
|
||||
@Override
|
||||
public void documentChanged(DocumentEvent event) {
|
||||
// react before updateing the document
|
||||
// React before updating the document.
|
||||
}
|
||||
|
||||
public IDocument getCurrentDocument() {
|
||||
|
|
@ -180,8 +180,8 @@ class PositionTrackerChain implements IDocumentListener {
|
|||
public int getMemorySize() {
|
||||
int size= MEMORY_SIZE;
|
||||
for (PositionTracker tracker : fTrackers) {
|
||||
size+= LINKED_LIST_ENTRY_SIZE;
|
||||
size+= tracker.getMemorySize();
|
||||
size += LINKED_LIST_ENTRY_SIZE;
|
||||
size += tracker.getMemorySize();
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@
|
|||
* http://www.eclipse.org/legal/epl-v10.html
|
||||
*
|
||||
* Contributors:
|
||||
* Markus Schorn - initial API and implementation
|
||||
* Markus Schorn - initial API and implementation
|
||||
*******************************************************************************/
|
||||
package org.eclipse.cdt.internal.core;
|
||||
|
||||
|
|
@ -99,14 +99,19 @@ public class PositionTrackerManager implements IPositionTrackerManager, IFileBuf
|
|||
|
||||
@Override
|
||||
public void bufferContentAboutToBeReplaced(IFileBuffer buffer) {}
|
||||
|
||||
@Override
|
||||
public void bufferContentReplaced(IFileBuffer buffer) {}
|
||||
|
||||
@Override
|
||||
public void underlyingFileMoved(IFileBuffer buffer, IPath path) {}
|
||||
|
||||
@Override
|
||||
public void underlyingFileDeleted(IFileBuffer buffer) {}
|
||||
|
||||
@Override
|
||||
public void stateChangeFailed(IFileBuffer buffer) {}
|
||||
|
||||
@Override
|
||||
public void stateChanging(IFileBuffer buffer) {}
|
||||
|
||||
|
|
@ -194,9 +199,6 @@ public class PositionTrackerManager implements IPositionTrackerManager, IFileBuf
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
@Override
|
||||
public synchronized IPositionConverter findPositionConverter(IFile file, long timestamp) {
|
||||
PositionTrackerChain chain= fPositionTrackerMap.get(file.getFullPath());
|
||||
|
|
@ -206,9 +208,6 @@ public class PositionTrackerManager implements IPositionTrackerManager, IFileBuf
|
|||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
@Override
|
||||
public synchronized IPositionConverter findPositionConverter(IPath externalLocation, long timestamp) {
|
||||
PositionTrackerChain chain= fPositionTrackerMap.get(externalLocation);
|
||||
|
|
@ -218,9 +217,6 @@ public class PositionTrackerManager implements IPositionTrackerManager, IFileBuf
|
|||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
@Override
|
||||
public synchronized IPositionConverter findPositionConverter(ITranslationUnit tu, long timestamp) {
|
||||
IFile file= (IFile) tu.getResource();
|
||||
|
|
@ -240,9 +236,6 @@ public class PositionTrackerManager implements IPositionTrackerManager, IFileBuf
|
|||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
@Override
|
||||
public synchronized IPositionConverter findPositionConverter(URI locationURI, long timestamp) {
|
||||
PositionTrackerChain chain= fPositionTrackerMap.get(locationURI);
|
||||
|
|
|
|||
|
|
@ -1,10 +1,10 @@
|
|||
/*
|
||||
/*******************************************************************************
|
||||
* Copyright (c) 2014 BlackBerry Limited and others.
|
||||
* All rights reserved. This program and the accompanying materials
|
||||
* are made available under the terms of the Eclipse Public License v1.0
|
||||
* which accompanies this distribution, and is available at
|
||||
* http://www.eclipse.org/legal/epl-v10.html
|
||||
*/
|
||||
*******************************************************************************/
|
||||
package org.eclipse.cdt.internal.core;
|
||||
|
||||
import java.util.Arrays;
|
||||
|
|
|
|||
|
|
@ -1,10 +1,10 @@
|
|||
/*
|
||||
/*******************************************************************************
|
||||
* Copyright (c) 2014 BlackBerry Limited and others.
|
||||
* All rights reserved. This program and the accompanying materials
|
||||
* are made available under the terms of the Eclipse Public License v1.0
|
||||
* which accompanies this distribution, and is available at
|
||||
* http://www.eclipse.org/legal/epl-v10.html
|
||||
*/
|
||||
*******************************************************************************/
|
||||
package org.eclipse.cdt.internal.core;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
|
@ -17,7 +17,6 @@ import org.eclipse.cdt.core.ErrorParserManager;
|
|||
import org.eclipse.cdt.core.IProblemMarkerFilter;
|
||||
import org.eclipse.cdt.core.ProblemMarkerInfo;
|
||||
import org.eclipse.core.resources.IProject;
|
||||
import org.eclipse.core.resources.IResource;
|
||||
import org.eclipse.core.runtime.IConfigurationElement;
|
||||
import org.eclipse.core.runtime.IExtensionRegistry;
|
||||
import org.eclipse.core.runtime.Platform;
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue