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Code Issues Wiki Activity

Bug 534332 - In the unused symbol checker, check for 'unused' attribute on the decl-specifier too

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Change-Id: Ib4f26e5a04742af93c884819a5b2f1f714faeb97
This commit is contained in:
Nathan Ridge 2018-05-04 01:30:49 -04:00
parent d8d04e2731
commit 45bbb2bb5b
2 changed files with 8 additions and 0 deletions
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4
codan/org.eclipse.cdt.codan.checkers/src/org/eclipse/cdt/codan/internal/checkers/UnusedSymbolInFileScopeChecker.java
View file

@ -133,6 +133,10 @@ public class UnusedSymbolInFileScopeChecker extends AbstractIndexAstChecker {
// declarations
IASTSimpleDeclaration simpleDeclaration = (IASTSimpleDeclaration) element;
IASTDeclSpecifier declSpec = simpleDeclaration.getDeclSpecifier();
if (AttributeUtil.hasAttribute(declSpec, ATTRIBUTE_UNUSED)) {
return PROCESS_SKIP;
}
IASTDeclarator[] declarators = simpleDeclaration.getDeclarators();
for (IASTDeclarator decl : declarators) {
if (AttributeUtil.hasAttribute(decl, ATTRIBUTE_UNUSED))

4
codan/org.eclipse.cdt.codan.core.tests/src/org/eclipse/cdt/codan/core/internal/checkers/UnusedSymbolInFileScopeCheckerTest.java
View file

@ -306,6 +306,7 @@ public class UnusedSymbolInFileScopeCheckerTest extends CheckerTestCase {
}
// static int v1 __attribute__((unused));
// static int __attribute__((unused)) v2;
// int f1() __attribute__((__unused__));
// extern int f2() __attribute__((unused));
// static void f3() __attribute__((unused));
@ -314,6 +315,9 @@ public class UnusedSymbolInFileScopeCheckerTest extends CheckerTestCase {
public void testAttributeUnused() throws Exception {
loadCodeAndRun(getAboveComment());
checkNoErrors();
loadCodeAndRunCpp(getAboveComment());
checkNoErrors();
}
// extern int* pxCurrentTCB;