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Bug 486610 - Fixed a highlight problem in reportProblem method

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Every time we report a problem in a declaration/expression that occupies more
than one line, the codan marks the entire line as a problem - including
everything before the node. This patch solves this inconvenient behavior.

See https://bugs.eclipse.org/bugs/show_bug.cgi?id=486610 for a complete
explanation.

Change-Id: I742cbaac8a1392676695d574355597b0cfc87385
Signed-off-by: Alisson Linhares de Carvalho <arescarv@gmail.com>
This commit is contained in:
Alisson Linhares de Carvalho 2016-02-16 13:43:50 -02:00 • committed by Sergey Prigogin
parent 99465c1604
commit 9ba50a9462
2 changed files with 20 additions and 5 deletions
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10
codan/org.eclipse.cdt.codan.core.cxx/src/org/eclipse/cdt/codan/core/cxx/model/AbstractIndexAstChecker.java
View file

@ -197,11 +197,11 @@ public abstract class AbstractIndexAstChecker extends AbstractCheckerWithProblem
return locFactory.createProblemLocation(getFile(), start, end, line);
}
}
if (line == astLocation.getEndingLineNumber()) {
return locFactory.createProblemLocation(getFile(), astLocation.getNodeOffset(),
astLocation.getNodeOffset() + astLocation.getNodeLength(), line);
}
return locFactory.createProblemLocation(getFile(), line);
// If the raw signature has more than one line, we highlight only the code
// related to the problem.
int start = astLocation.getNodeOffset();
int end = start + astLocation.getNodeLength();
return locFactory.createProblemLocation(getFile(), start, end, line);
}
protected static boolean enclosedInMacroExpansion(IASTNode node) {

15
codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/AssignmentToItselfCheckerTest.java
View file

@ -11,6 +11,7 @@
package org.eclipse.cdt.codan.core.internal.checkers;
import org.eclipse.cdt.codan.core.test.CheckerTestCase;
import org.eclipse.core.resources.IMarker;
/**
* Test for {@see AssignmentToItselfChecker} class
@ -63,4 +64,18 @@ public class AssignmentToItselfCheckerTest extends CheckerTestCase {
loadCodeAndRun(getAboveComment());
checkNoErrors();
}
// void foo() {
// int x = 0; x
// = x;
// }
public void testMarkerOffset_Bug486610() throws Exception {
String code = getAboveComment();
loadCodeAndRun(code);
IMarker marker = checkErrorLine(2);
int start = marker.getAttribute(IMarker.CHAR_START, -1);
int end = marker.getAttribute(IMarker.CHAR_END, -1);
// The offset should start at the beginning of the expression "x = x"
assertEquals("x\n = x", code.substring(start, end));
}
}