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Bug 549036 - Init Type(std::initializer_list) from Type{...}

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Fix constructor calls of the form Type{...} to a constructor of
the form Type(std::initializer_list<T>).
So far only Type({...}) was supported.

Change-Id: I09e3b8c9c73c30e12c0c370a5c88885079a14746
Signed-off-by: Hannes Vogt <hannes@havogt.de>
This commit is contained in:
Hannes Vogt 2019-09-13 22:09:45 +02:00 • committed by Nathan Ridge
parent cf7e1f87c9
commit aee38fb062
2 changed files with 24 additions and 1 deletions
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14
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
View file

@ -13405,4 +13405,18 @@ public class AST2CPPTests extends AST2CPPTestBase {
public void testAggregateInitOfAnonymousUnion_549362() throws Exception {
parseAndCheckImplicitNameBindings();
}
// namespace std {
// template<typename T> class initializer_list;
// }
//
// struct A {
// A(std::initializer_list<int> list)
// {}
// };
//
// auto a = A{1, 2};
public void testClassFromInitList_549036() throws Exception {
parseAndCheckImplicitNameBindings();
}
}

11
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/EvalTypeId.java
View file

@ -300,8 +300,17 @@ public class EvalTypeId extends CPPDependentEvaluation {
ICPPClassType classType = (ICPPClassType) simplifiedType;
ICPPEvaluation[] arguments = fArguments;
ICPPConstructor[] constructors = classType.getConstructors();
if (arguments.length == 1 && arguments[0] instanceof EvalInitList && !fUsesBracedInitList) {
if (fUsesBracedInitList && arguments.length > 0) {
// List-initialization of a class (dcl.init.list-3).
// e.g. A{1,2}
ICPPConstructor[] ctors = getInitializerListConstructors(constructors);
if (ctors.length != 0) {
constructors = ctors;
arguments = new EvalInitList[] { new EvalInitList(arguments, getTemplateDefinition()) };
}
} else if (arguments.length == 1 && arguments[0] instanceof EvalInitList && !fUsesBracedInitList) {
// List-initialization of a class (dcl.init.list-3).
// e.g. A({1,2})
if (TypeTraits.isAggregateClass(classType)) {
// Pretend that aggregate initialization is calling the default constructor.
return findDefaultConstructor(classType, constructors);