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Bug 559313 - decltype evaluated as a write operation

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If a variable is in a decl type specifier can't be evaluated as
written.

Change-Id: If78a567dab99e55c78e16c3b7f10c45bbd0a0606
Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
This commit is contained in:
Marco Stornelli 2020-01-18 09:27:52 +01:00
parent 2c266d91fc
commit b5cde3b61c
2 changed files with 15 additions and 0 deletions
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12
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/VariableReadWriteFlagsTest.java
View file

@ -245,4 +245,16 @@ public class VariableReadWriteFlagsTest extends AST2TestBase {
a.assertReadWriteFlags("a = arr[0];", "arr", READ); a.assertReadWriteFlags("a = arr[0];", "arr", READ);
a.assertReadWriteFlags("return arr[0];", "arr", READ); a.assertReadWriteFlags("return arr[0];", "arr", READ);
} }
// class Test {
// public:
// int v;
// void test() const {
// decltype(v) o = 14;
// }
// };
public void testDeclType() throws Exception {
AssertionHelper a = getCPPAssertionHelper();
a.assertReadWriteFlags("decltype(v) o = 14;", "v", READ);
}
} }

3
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/VariableReadWriteFlags.java
View file

@ -21,6 +21,7 @@ import org.eclipse.cdt.core.dom.ast.IASTCaseStatement;
import org.eclipse.cdt.core.dom.ast.IASTCastExpression; import org.eclipse.cdt.core.dom.ast.IASTCastExpression;
import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement; import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement;
import org.eclipse.cdt.core.dom.ast.IASTConditionalExpression; import org.eclipse.cdt.core.dom.ast.IASTConditionalExpression;
import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator; import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTDoStatement; import org.eclipse.cdt.core.dom.ast.IASTDoStatement;
import org.eclipse.cdt.core.dom.ast.IASTEqualsInitializer; import org.eclipse.cdt.core.dom.ast.IASTEqualsInitializer;
@ -81,6 +82,8 @@ public abstract class VariableReadWriteFlags {
return READ; // dimension return READ; // dimension
} else if (parent instanceof IASTInitializerList) { } else if (parent instanceof IASTInitializerList) {
return rwInInitializerList((IASTInitializerList) parent, indirection); return rwInInitializerList((IASTInitializerList) parent, indirection);
} else if (parent instanceof IASTDeclSpecifier) {
return READ;
} }
return READ | WRITE; // fallback return READ | WRITE; // fallback
} }