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Code Issues Wiki Activity

Bug 408870 - Do not require a whitespace after 'operator' when searching

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for an overloaded operator in the Search or Open Element dialogs

Change-Id: Idd0363cd2cb3d44a822fb2ebc34582feb2238022
Signed-off-by: Nathan Ridge <zeratul976@hotmail.com>
This commit is contained in:
Nathan Ridge 2015-07-05 23:24:48 -04:00 • committed by Gerrit Code Review @ Eclipse.org
parent 4e90a96767
commit 7ece374afd
5 changed files with 48 additions and 2 deletions
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10
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/search/BasicSearchTest.java
View file

@ -379,4 +379,14 @@ public class BasicSearchTest extends BaseUITestCase {
query= makeProjectQuery("f");
assertOccurrences(query, 6);
}
// struct S {
// bool operator<(const S&, const S&);
// };
// // empty
public void testOverloadedOperatorNoSpace_408870() throws Exception {
CSearchQuery query = makeProjectQuery("operator<");
assertOccurrences(query, 1);
}
}

2
core/org.eclipse.cdt.ui/browser/org/eclipse/cdt/internal/ui/browser/opentype/ElementSelectionDialog.java
View file

@ -54,6 +54,7 @@ import org.eclipse.cdt.ui.browser.typeinfo.TypeSelectionDialog;
import org.eclipse.cdt.internal.core.browser.IndexModelUtil;
import org.eclipse.cdt.internal.ui.ICHelpContextIds;
import org.eclipse.cdt.internal.ui.search.CSearchUtil;
/**
* A dialog to select an element from a filterable list of elements.
@ -349,6 +350,7 @@ public class ElementSelectionDialog extends TypeSelectionDialog {
}
protected void scheduleUpdate(String filterText) {
filterText= CSearchUtil.adjustSearchStringForOperators(filterText);
char[] newPrefix= toPrefix(filterText);
final char[] currentPrefix= fUpdateJob.getCurrentPrefix();
final boolean equivalentPrefix= isEquivalentPrefix(currentPrefix, newPrefix);

3
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/CSearchPage.java
View file

@ -439,7 +439,7 @@ public class CSearchPage extends DialogPage implements ISearchPage {
final String text = patternCombo.getText();
final char[] newChars= event.text.toCharArray();
final StringBuilder result= new StringBuilder(newChars.length);
boolean relax= prefix(text, event.start, result).contains(Keywords.OPERATOR + " "); //$NON-NLS-1$
boolean relax= prefix(text, event.start, result).contains(Keywords.OPERATOR);
for (final char c : newChars) {
switch (c) {
case '_':
@ -459,7 +459,6 @@ public class CSearchPage extends DialogPage implements ISearchPage {
case '%': case '^': case '(': case ')':
case '[': case ']':
if (prefix(text, event.start, result).endsWith(Keywords.OPERATOR)) {
result.append(' ');
relax= true;
}
if (relax)

3
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/CSearchPatternQuery.java
View file

@ -75,6 +75,9 @@ public class CSearchPatternQuery extends CSearchQuery {
super(scope, flags);
this.scopeDesc = scopeDesc;
// adjust the pattern string to accomodate searches for operators
patternStr = CSearchUtil.adjustSearchStringForOperators(patternStr);
// remove spurious whitespace, which will make the search fail 100% of the time
this.patternStr = patternStr.trim();

32
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/CSearchUtil.java
View file

@ -66,4 +66,36 @@ public class CSearchUtil {
}
return isWrite;
}
/**
* Returns true whether 'ch' could the first character of an overloadable C++ operator.
*/
private static boolean isOperatorChar(char ch) {
switch (ch) {
case '&': case '|': case '+': case '-':
case '!': case '=': case '>': case '<':
case '%': case '^': case '(': case ')':
case '[': case '~':
return true;
default:
return false;
}
}
/**
* If 'searchStr' contains the name of an overloadable operator with no
* space between 'operator' and the operator (e.g. 'operator<'), insert
* a space (yielding e.g. 'operator <'). This is necessary because the
* binding names for overloaded operators in the index contain such a
* space, and the search wouldn't find them otherwise.
*/
public static String adjustSearchStringForOperators(String searchStr) {
int operatorIndex = searchStr.indexOf("operator"); //$NON-NLS-1$
int operatorCharIndex = operatorIndex + 8; // "operator" is 8 characters
if (operatorCharIndex < searchStr.length() && isOperatorChar(searchStr.charAt(operatorCharIndex))) {
searchStr = searchStr.substring(0, operatorCharIndex) + ' ' + searchStr.substring(operatorCharIndex);
}
return searchStr;
}
}