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C++: fix built-in code model to work with shared_ptr on MSVC 2017

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These changes target Find Usages feature to work with shared_ptr.
Improve libs/3rdparty/cplusplus and plugins/cplusplus:
parse __declspec() attribute,
call to variadic function template without specified template arguments,
if constexpr,
c++11 attributes [[value]],
function templates with default parameters,
resolve order for function vs template with default parameter,
template operator->() with default arguments,
template specialization with numeric values,
find best partial specialization,
fix partial specialization for non-first specialized argument

Fixes: QTCREATORBUG-7866
Fixes: QTCREATORBUG-20781
Fixes: QTCREATORBUG-22857
Fixes: QTCREATORBUG-17825
Change-Id: I31a080f7729edfb2ee9650f1aff48daeba5a673b
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Nikolai Kosjar <pinaceae.pinus@gmail.com>
This commit is contained in:
Volodymyr Zibarov
2020-05-14 23:07:05 +03:00
parent be97943372
commit 9ee693ee22
43 changed files with 1198 additions and 58 deletions
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49
tests/auto/cplusplus/ast/tst_ast.cpp
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@@ -118,6 +118,8 @@ private slots:
void crash_test_1();
void thread_local_1();
void msvc_attributes_declspec();
// expressions
void simple_name_1();
void template_id_1();
@@ -141,6 +143,7 @@ private slots:
void if_statement_2();
void if_statement_3();
void if_else_statement();
void if_constexpr();
void while_statement();
void while_condition_statement();
void for_statement();
@@ -169,6 +172,7 @@ private slots:
//! checks for both correct ellipsis tokens in
//! "template<class ...Args> class T : Args... {};"
void cpp11_variadic_inheritance();
void cpp11_attributes();
// Q_PROPERTY
void cpp_qproperty();
@@ -281,6 +285,14 @@ void tst_AST::thread_local_1()
QCOMPARE(Token::name(T___THREAD), "__thread");
}
void tst_AST::msvc_attributes_declspec()
{
const char *inp = "class __declspec(novtable) Name{};";
QSharedPointer<TranslationUnit> unit(parseDeclaration(inp));
QVERIFY(unit->ast());
QCOMPARE(diag.errorCount, 0);
}
void tst_AST::simple_declaration_1()
{
QSharedPointer<TranslationUnit> unit(parseStatement("\n"
@@ -1322,6 +1334,43 @@ void tst_AST::cpp11_variadic_inheritance()
QVERIFY(ba->ellipsis_token != 0); // important
}
void tst_AST::cpp11_attributes()
{
QSharedPointer<TranslationUnit> unit(parseDeclaration(
"[[noreturn]] void f() {throw \"error\";}",
false, false, true));
AST *ast = unit->ast();
QVERIFY(ast != nullptr);
DeclarationAST *d = ast->asDeclaration();
QVERIFY(d != nullptr);
FunctionDefinitionAST *f = d->asFunctionDefinition();
QVERIFY(f != nullptr);
QVERIFY(f->decl_specifier_list != nullptr);
QVERIFY(f->decl_specifier_list->value != nullptr);
StdAttributeSpecifierAST *attr = f->decl_specifier_list->value->asStdAttributeSpecifier();
QVERIFY(attr != nullptr);
}
void tst_AST::if_constexpr()
{
QSharedPointer<TranslationUnit> unit(parseStatement("if constexpr (a) b;",true));
AST *ast = unit->ast();
QVERIFY(ast != 0);
IfStatementAST *stmt = ast->asIfStatement();
QVERIFY(stmt != 0);
QCOMPARE(stmt->if_token, 1);
QCOMPARE(stmt->constexpr_token, 2);
QCOMPARE(stmt->lparen_token, 3);
QVERIFY(stmt->condition != 0);
QCOMPARE(stmt->rparen_token, 5);
QVERIFY(stmt->statement != 0);
}
void tst_AST::cpp_qproperty()
{
QFETCH(QByteArray, source);