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Bug 347462: Detection of implicitly called copy ctor.

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This commit is contained in:
Markus Schorn 2011-07-01 14:47:03 +02:00
parent 8a2d881cbd
commit fa9ba41575
2 changed files with 40 additions and 1 deletions
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34
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
View file

@ -9402,4 +9402,38 @@ public class AST2CPPTests extends AST2BaseTest {
public void testMemberAccessForArray_347298() throws Exception {
parseAndCheckBindings();
}
// struct X {};
// struct Y : X {
// Y(){}
// Y(Y const & y){}
// };
// void test() {
// Y y;
// Y y2 = y;
// X x = y2;
// }
public void testReferenceToCopyConstructor() throws Exception {
IASTTranslationUnit tu= parseAndCheckBindings();
ICPPASTFunctionDefinition fdef= getDeclaration(tu, 2);
IASTDeclarationStatement dst= getStatement(fdef, 0);
IASTDeclarator dtor= ((IASTSimpleDeclaration) dst.getDeclaration()).getDeclarators()[0];
IBinding ctor= ((IASTImplicitNameOwner) dtor).getImplicitNames()[0].resolveBinding();
assertTrue(ctor instanceof ICPPConstructor);
assertEquals(0, ((ICPPConstructor) ctor).getType().getParameterTypes().length);
dst= getStatement(fdef, 1);
dtor= ((IASTSimpleDeclaration) dst.getDeclaration()).getDeclarators()[0];
ctor= ((IASTImplicitNameOwner) dtor).getImplicitNames()[0].resolveBinding();
assertTrue(ctor instanceof ICPPConstructor);
assertEquals(1, ((ICPPConstructor) ctor).getType().getParameterTypes().length);
dst= getStatement(fdef, 2);
dtor= ((IASTSimpleDeclaration) dst.getDeclaration()).getDeclarators()[0];
ctor= ((IASTImplicitNameOwner) dtor).getImplicitNames()[0].resolveBinding();
assertTrue(ctor instanceof ICPPConstructor);
assertEquals(1, ((ICPPConstructor) ctor).getType().getParameterTypes().length);
}
}

7
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
View file

@ -3047,7 +3047,12 @@ public class CPPSemantics {
sourceType= new InitializerListType((ICPPASTInitializerList) initClause);
}
if (sourceType != null) {
Cost c= Conversions.checkImplicitConversionSequence(type, sourceType, isLValue, UDCMode.ALLOWED, Context.ORDINARY);
Cost c;
if (calculateInheritanceDepth(sourceType, classType) >= 0) {
c = Conversions.copyInitializationOfClass(isLValue, sourceType, classType, false);
} else {
c = Conversions.checkImplicitConversionSequence(type, sourceType, isLValue, UDCMode.ALLOWED, Context.ORDINARY);
}
if (c.converts()) {
ICPPFunction f = c.getUserDefinedConversion();
if (f instanceof ICPPConstructor)