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llvm-project/clang/unittests/Tooling/Syntax/BuildTreeTest.cpp

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//===- BuildTreeTest.cpp --------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file tests the syntax tree generation from the ClangAST.
//
//===----------------------------------------------------------------------===//
#include "TreeTestBase.h"
using namespace clang;
using namespace clang::syntax;
namespace {
class BuildSyntaxTreeTest : public SyntaxTreeTest {
protected:
::testing::AssertionResult treeDumpEqual(StringRef Code, StringRef Tree) {
SCOPED_TRACE(llvm::join(GetParam().getCommandLineArgs(), " "));
auto *Root = buildTree(Code, GetParam());
auto ErrorOK = errorOK(Code);
if (!ErrorOK)
return ErrorOK;
auto Actual = StringRef(Root->dump(Arena->getSourceManager())).trim().str();
// EXPECT_EQ shows the diff between the two strings if they are different.
EXPECT_EQ(Tree.trim().str(), Actual);
if (Actual != Tree.trim().str()) {
return ::testing::AssertionFailure();
}
return ::testing::AssertionSuccess();
}
::testing::AssertionResult
treeDumpEqualOnAnnotations(StringRef CodeWithAnnotations,
ArrayRef<StringRef> TreeDumps) {
SCOPED_TRACE(llvm::join(GetParam().getCommandLineArgs(), " "));
auto AnnotatedCode = llvm::Annotations(CodeWithAnnotations);
auto *Root = buildTree(AnnotatedCode.code(), GetParam());
auto ErrorOK = errorOK(AnnotatedCode.code());
if (!ErrorOK)
return ErrorOK;
auto AnnotatedRanges = AnnotatedCode.ranges();
if (AnnotatedRanges.size() != TreeDumps.size()) {
return ::testing::AssertionFailure()
<< "The number of annotated ranges in the source code is "
"different "
"to the number of their corresponding tree dumps.";
}
bool Failed = false;
for (unsigned i = 0; i < AnnotatedRanges.size(); i++) {
auto *AnnotatedNode = nodeByRange(AnnotatedRanges[i], Root);
assert(AnnotatedNode);
auto AnnotatedNodeDump =
StringRef(AnnotatedNode->dump(Arena->getSourceManager()))
.trim()
.str();
// EXPECT_EQ shows the diff between the two strings if they are different.
EXPECT_EQ(TreeDumps[i].trim().str(), AnnotatedNodeDump)
<< "Dumps diverged for the code:\n"
<< AnnotatedCode.code().slice(AnnotatedRanges[i].Begin,
AnnotatedRanges[i].End);
if (AnnotatedNodeDump != TreeDumps[i].trim().str())
Failed = true;
}
return Failed ? ::testing::AssertionFailure()
: ::testing::AssertionSuccess();
}
private:
::testing::AssertionResult errorOK(StringRef RawCode) {
if (!RawCode.contains("error-ok")) {
if (Diags->getClient()->getNumErrors() != 0) {
return ::testing::AssertionFailure()
<< "Source file has syntax errors (suppress with /*error-ok*/), "
"they were printed to the "
"test log";
}
}
return ::testing::AssertionSuccess();
}
};
INSTANTIATE_TEST_CASE_P(SyntaxTreeTests, BuildSyntaxTreeTest,
testing::ValuesIn(allTestClangConfigs()), );
TEST_P(BuildSyntaxTreeTest, Simple) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int main() {}
void foo() {}
)cpp",
R"txt(
TranslationUnit Detached
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'main'
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | `-')' CloseParen
| `-CompoundStatement
| |-'{' OpenParen
| `-'}' CloseParen
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'foo'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, SimpleVariable) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int a;
int b = 42;
)cpp",
R"txt(
TranslationUnit Detached
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'a'
| `-';'
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'b'
| |-'='
| `-IntegerLiteralExpression
| `-'42' LiteralToken
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, SimpleFunction) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
void foo(int a, int b) {}
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'foo'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | |-'int'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'a'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | |-'int'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'b'
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Simple_BackslashInsideToken) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
in\
t a;
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'in\
t'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-'a'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, If) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[if (1) {}]]
[[if (1) {} else if (0) {}]]
}
)cpp",
{R"txt(
IfStatement Statement
|-'if' IntroducerKeyword
|-'('
|-ExpressionStatement Condition
| `-IntegerLiteralExpression Expression
| `-'1' LiteralToken
|-')'
`-CompoundStatement ThenStatement
|-'{' OpenParen
`-'}' CloseParen
)txt",
R"txt(
IfStatement Statement
|-'if' IntroducerKeyword
|-'('
|-ExpressionStatement Condition
| `-IntegerLiteralExpression Expression
| `-'1' LiteralToken
|-')'
|-CompoundStatement ThenStatement
| |-'{' OpenParen
| `-'}' CloseParen
|-'else' ElseKeyword
`-IfStatement ElseStatement
|-'if' IntroducerKeyword
|-'('
|-ExpressionStatement Condition
| `-IntegerLiteralExpression Expression
| `-'0' LiteralToken
|-')'
`-CompoundStatement ThenStatement
|-'{' OpenParen
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, IfDecl) {
if (!GetParam().isCXX17OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[if (int a = 5) {}]]
[[if (int a; a == 5) {}]]
}
)cpp",
{R"txt(
IfStatement Statement
|-'if' IntroducerKeyword
|-'('
|-DeclarationStatement Condition
| `-SimpleDeclaration
| |-'int'
| `-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'a'
| |-'='
| `-IntegerLiteralExpression
| `-'5' LiteralToken
|-')'
`-CompoundStatement ThenStatement
|-'{' OpenParen
`-'}' CloseParen
)txt",
R"txt(
IfStatement Statement
|-'if' IntroducerKeyword
|-'('
|-DeclarationStatement
| |-SimpleDeclaration
| | |-'int'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'a'
| `-';'
|-ExpressionStatement Condition
| `-BinaryOperatorExpression Expression
| |-IdExpression LeftHandSide
| | `-UnqualifiedId UnqualifiedId
| | `-'a'
| |-'==' OperatorToken
| `-IntegerLiteralExpression RightHandSide
| `-'5' LiteralToken
|-')'
`-CompoundStatement ThenStatement
|-'{' OpenParen
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, For) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[for (;;) {}]]
}
)cpp",
{R"txt(
ForStatement Statement
|-'for' IntroducerKeyword
|-'('
|-';'
|-';'
|-')'
`-CompoundStatement BodyStatement
|-'{' OpenParen
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, RangeBasedFor) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
int a[3];
[[for (int x : a)
;]]
}
)cpp",
{R"txt(
RangeBasedForStatement Statement
|-'for' IntroducerKeyword
|-'('
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'x'
| `-':'
|-IdExpression
| `-UnqualifiedId UnqualifiedId
| `-'a'
|-')'
`-EmptyStatement BodyStatement
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, DeclarationStatement) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[int a = 10;]]
}
)cpp",
{R"txt(
DeclarationStatement Statement
|-SimpleDeclaration
| |-'int'
| `-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'a'
| |-'='
| `-IntegerLiteralExpression
| `-'10' LiteralToken
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, Switch) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[switch (1) {
case 0:
default:;
}]]
}
)cpp",
{R"txt(
SwitchStatement Statement
|-'switch' IntroducerKeyword
|-'('
|-IntegerLiteralExpression
| `-'1' LiteralToken
|-')'
`-CompoundStatement BodyStatement
|-'{' OpenParen
|-CaseStatement Statement
| |-'case' IntroducerKeyword
| |-IntegerLiteralExpression CaseValue
| | `-'0' LiteralToken
| |-':'
| `-DefaultStatement BodyStatement
| |-'default' IntroducerKeyword
| |-':'
| `-EmptyStatement BodyStatement
| `-';'
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, While) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[while (1) { continue; break; }]]
}
)cpp",
{R"txt(
WhileStatement Statement
|-'while' IntroducerKeyword
|-'('
|-IntegerLiteralExpression
| `-'1' LiteralToken
|-')'
`-CompoundStatement BodyStatement
|-'{' OpenParen
|-ContinueStatement Statement
| |-'continue' IntroducerKeyword
| `-';'
|-BreakStatement Statement
| |-'break' IntroducerKeyword
| `-';'
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnhandledStatement) {
// Unhandled statements should end up as 'unknown statement'.
// This example uses a 'label statement', which does not yet have a syntax
// counterpart.
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
int test() {
[[foo: return 100;]]
}
)cpp",
{R"txt(
UnknownStatement Statement
|-'foo'
|-':'
`-ReturnStatement
|-'return' IntroducerKeyword
|-IntegerLiteralExpression ReturnValue
| `-'100' LiteralToken
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, Expressions) {
// expressions should be wrapped in 'ExpressionStatement' when they appear
// in a statement position.
EXPECT_TRUE(treeDumpEqual(
R"cpp(
void test() {
test();
if (1) test(); else test();
}
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
|-ExpressionStatement Statement
| |-CallExpression Expression
| | |-IdExpression Callee
| | | `-UnqualifiedId UnqualifiedId
| | | `-'test'
| | |-'(' OpenParen
| | `-')' CloseParen
| `-';'
|-IfStatement Statement
| |-'if' IntroducerKeyword
| |-'('
| |-ExpressionStatement Condition
| | `-IntegerLiteralExpression Expression
| | `-'1' LiteralToken
| |-')'
| |-ExpressionStatement ThenStatement
| | |-CallExpression Expression
| | | |-IdExpression Callee
| | | | `-UnqualifiedId UnqualifiedId
| | | | `-'test'
| | | |-'(' OpenParen
| | | `-')' CloseParen
| | `-';'
| |-'else' ElseKeyword
| `-ExpressionStatement ElseStatement
| |-CallExpression Expression
| | |-IdExpression Callee
| | | `-UnqualifiedId UnqualifiedId
| | | `-'test'
| | |-'(' OpenParen
| | `-')' CloseParen
| `-';'
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ConditionalOperator) {
// FIXME: conditional expression is not modeled yet.
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[1?:2]];
}
)cpp",
{R"txt(
UnknownExpression Expression
|-IntegerLiteralExpression
| `-'1' LiteralToken
|-'?'
|-':'
`-IntegerLiteralExpression
`-'2' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnqualifiedId_Identifier) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test(int a) {
[[a]];
}
)cpp",
{R"txt(
IdExpression Expression
`-UnqualifiedId UnqualifiedId
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnqualifiedId_OperatorFunctionId) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
friend X operator+(const X&, const X&);
};
void test(X x) {
[[operator+(x, x)]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| |-'operator'
| `-'+'
|-'(' OpenParen
|-CallArguments Arguments
| |-IdExpression ListElement
| | `-UnqualifiedId UnqualifiedId
| | `-'x'
| |-',' ListDelimiter
| `-IdExpression ListElement
| `-UnqualifiedId UnqualifiedId
| `-'x'
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnqualifiedId_ConversionFunctionId) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
operator int();
};
void test(X x) {
[[x.operator int()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'x'
| |-'.' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| |-'operator'
| `-'int'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnqualifiedId_LiteralOperatorId) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
unsigned operator "" _w(char);
void test() {
[[operator "" _w('1')]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| |-'operator'
| |-'""'
| `-'_w'
|-'(' OpenParen
|-CallArguments Arguments
| `-CharacterLiteralExpression ListElement
| `-''1'' LiteralToken
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnqualifiedId_Destructor) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X { };
void test(X x) {
[[x.~X()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'x'
| |-'.' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| |-'~'
| `-'X'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnqualifiedId_DecltypeDestructor) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X { };
void test(X x) {
// FIXME: Make `decltype(x)` a child of `MemberExpression`. It is currently
// not because `Expr::getSourceRange()` returns the range of `x.~` for the
// `MemberExpr` instead of the expected `x.~decltype(x)`, this is a bug in
// clang.
[[x.~decltype(x)()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'x'
| |-'.' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| `-'~'
|-'decltype'
|-'('
|-'x'
|-')'
|-'('
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UnqualifiedId_TemplateId) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template<typename T>
T f();
void test() {
[[f<int>()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-'int'
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, QualifiedId_NamespaceSpecifier) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
namespace n {
struct S { };
}
void test() {
[[::n::S s1]];
[[n::S s2]];
}
)cpp",
{R"txt(
SimpleDeclaration
|-NestedNameSpecifier
| |-'::' ListDelimiter
| |-IdentifierNameSpecifier ListElement
| | `-'n'
| `-'::' ListDelimiter
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-'s1'
)txt",
R"txt(
SimpleDeclaration
|-NestedNameSpecifier
| |-IdentifierNameSpecifier ListElement
| | `-'n'
| `-'::' ListDelimiter
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-'s2'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, QualifiedId_TemplateSpecifier) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template<typename T>
struct ST {
struct S { };
};
void test() {
[[::template ST<int>::S s1]];
[[::ST<int>::S s2]];
}
)cpp",
{R"txt(
SimpleDeclaration
|-NestedNameSpecifier
| |-'::' ListDelimiter
| |-SimpleTemplateNameSpecifier ListElement
| | |-'template'
| | |-'ST'
| | |-'<'
| | |-'int'
| | `-'>'
| `-'::' ListDelimiter
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-'s1'
)txt",
R"txt(
SimpleDeclaration
|-NestedNameSpecifier
| |-'::' ListDelimiter
| |-SimpleTemplateNameSpecifier ListElement
| | |-'ST'
| | |-'<'
| | |-'int'
| | `-'>'
| `-'::' ListDelimiter
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-'s2'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, QualifiedId_DecltypeSpecifier) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
static void f(){}
};
void test(S s) {
[[decltype(s)::f()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| |-NestedNameSpecifier Qualifier
| | |-DecltypeNameSpecifier ListElement
| | | |-'decltype'
| | | |-'('
| | | |-IdExpression
| | | | `-UnqualifiedId UnqualifiedId
| | | | `-'s'
| | | `-')'
| | `-'::' ListDelimiter
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, QualifiedId_OptionalTemplateKw) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
template<typename U>
static U f();
};
void test() {
[[S::f<int>()]];
[[S::template f<int>()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| |-NestedNameSpecifier Qualifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'S'
| | `-'::' ListDelimiter
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-'int'
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-IdExpression Callee
| |-NestedNameSpecifier Qualifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'S'
| | `-'::' ListDelimiter
| |-'template' TemplateKeyword
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-'int'
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, QualifiedId_Complex) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
namespace n {
template<typename T>
struct ST {
template<typename U>
static U f();
};
}
void test() {
[[::n::template ST<int>::template f<int>()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| |-NestedNameSpecifier Qualifier
| | |-'::' ListDelimiter
| | |-IdentifierNameSpecifier ListElement
| | | `-'n'
| | |-'::' ListDelimiter
| | |-SimpleTemplateNameSpecifier ListElement
| | | |-'template'
| | | |-'ST'
| | | |-'<'
| | | |-'int'
| | | `-'>'
| | `-'::' ListDelimiter
| |-'template' TemplateKeyword
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-'int'
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, QualifiedId_DependentType) {
if (!GetParam().isCXX()) {
return;
}
if (GetParam().hasDelayedTemplateParsing()) {
// FIXME: Make this test work on Windows by generating the expected syntax
// tree when `-fdelayed-template-parsing` is active.
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template <typename T>
void test() {
[[T::template U<int>::f()]];
[[T::U::f()]];
[[T::template f<0>()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| |-NestedNameSpecifier Qualifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'T'
| | |-'::' ListDelimiter
| | |-SimpleTemplateNameSpecifier ListElement
| | | |-'template'
| | | |-'U'
| | | |-'<'
| | | |-'int'
| | | `-'>'
| | `-'::' ListDelimiter
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-IdExpression Callee
| |-NestedNameSpecifier Qualifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'T'
| | |-'::' ListDelimiter
| | |-IdentifierNameSpecifier ListElement
| | | `-'U'
| | `-'::' ListDelimiter
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-IdExpression Callee
| |-NestedNameSpecifier Qualifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'T'
| | `-'::' ListDelimiter
| |-'template' TemplateKeyword
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-IntegerLiteralExpression
| | `-'0' LiteralToken
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, This_Simple) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
S* test(){
return [[this]];
}
};
)cpp",
{R"txt(
ThisExpression ReturnValue
`-'this' IntroducerKeyword
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, This_ExplicitMemberAccess) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
int a;
void test(){
[[this->a]];
}
};
)cpp",
{R"txt(
MemberExpression Expression
|-ThisExpression Object
| `-'this' IntroducerKeyword
|-'->' AccessToken
`-IdExpression Member
`-UnqualifiedId UnqualifiedId
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, This_ImplicitMemberAccess) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
int a;
void test(){
[[a]];
}
};
)cpp",
{R"txt(
IdExpression Expression
`-UnqualifiedId UnqualifiedId
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ParenExpr) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[(1)]];
[[((1))]];
[[(1 + (2))]];
}
)cpp",
{R"txt(
ParenExpression Expression
|-'(' OpenParen
|-IntegerLiteralExpression SubExpression
| `-'1' LiteralToken
`-')' CloseParen
)txt",
R"txt(
ParenExpression Expression
|-'(' OpenParen
|-ParenExpression SubExpression
| |-'(' OpenParen
| |-IntegerLiteralExpression SubExpression
| | `-'1' LiteralToken
| `-')' CloseParen
`-')' CloseParen
)txt",
R"txt(
ParenExpression Expression
|-'(' OpenParen
|-BinaryOperatorExpression SubExpression
| |-IntegerLiteralExpression LeftHandSide
| | `-'1' LiteralToken
| |-'+' OperatorToken
| `-ParenExpression RightHandSide
| |-'(' OpenParen
| |-IntegerLiteralExpression SubExpression
| | `-'2' LiteralToken
| `-')' CloseParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UserDefinedLiteral_Char) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
unsigned operator "" _c(char);
void test() {
[['2'_c]];
}
)cpp",
{R"txt(
CharUserDefinedLiteralExpression Expression
`-''2'_c' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UserDefinedLiteral_String) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
typedef decltype(sizeof(void *)) size_t;
unsigned operator "" _s(const char*, size_t);
void test() {
[["12"_s]];
}
)cpp",
{R"txt(
StringUserDefinedLiteralExpression Expression
`-'"12"_s' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UserDefinedLiteral_Integer) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
unsigned operator "" _i(unsigned long long);
unsigned operator "" _r(const char*);
template <char...>
unsigned operator "" _t();
void test() {
[[12_i]];
[[12_r]];
[[12_t]];
}
)cpp",
{R"txt(
IntegerUserDefinedLiteralExpression Expression
`-'12_i' LiteralToken
)txt",
R"txt(
IntegerUserDefinedLiteralExpression Expression
`-'12_r' LiteralToken
)txt",
R"txt(
IntegerUserDefinedLiteralExpression Expression
`-'12_t' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UserDefinedLiteral_Float) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
unsigned operator "" _f(long double);
unsigned operator "" _r(const char*);
template <char...>
unsigned operator "" _t();
void test() {
[[1.2_f]];
[[1.2_r]];
[[1.2_t]];
}
)cpp",
{R"txt(
FloatUserDefinedLiteralExpression Expression
`-'1.2_f' LiteralToken
)txt",
R"txt(
FloatUserDefinedLiteralExpression Expression
`-'1.2_r' LiteralToken
)txt",
R"txt(
FloatUserDefinedLiteralExpression Expression
`-'1.2_t' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, IntegerLiteral_LongLong) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[12ll]];
[[12ull]];
}
)cpp",
{R"txt(
IntegerLiteralExpression Expression
`-'12ll' LiteralToken
)txt",
R"txt(
IntegerLiteralExpression Expression
`-'12ull' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, IntegerLiteral_Binary) {
if (!GetParam().isCXX14OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[0b1100]];
}
)cpp",
{R"txt(
IntegerLiteralExpression Expression
`-'0b1100' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, IntegerLiteral_WithDigitSeparators) {
if (!GetParam().isCXX14OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[1'2'0ull]];
}
)cpp",
{R"txt(
IntegerLiteralExpression Expression
`-'1'2'0ull' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CharacterLiteral) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[['a']];
[['\n']];
[['\x20']];
[['\0']];
[[L'a']];
[[L'α']];
}
)cpp",
{R"txt(
CharacterLiteralExpression Expression
`-''a'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-''\n'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-''\x20'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-''\0'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-'L'a'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-'L'α'' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CharacterLiteral_Utf) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[u'a']];
[[u'構']];
[[U'a']];
[[U'🌲']];
}
)cpp",
{R"txt(
CharacterLiteralExpression Expression
`-'u'a'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-'u'構'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-'U'a'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-'U'🌲'' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CharacterLiteral_Utf8) {
if (!GetParam().isCXX17OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[u8'a']];
[[u8'\x7f']];
}
)cpp",
{R"txt(
CharacterLiteralExpression Expression
`-'u8'a'' LiteralToken
)txt",
R"txt(
CharacterLiteralExpression Expression
`-'u8'\x7f'' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, FloatingLiteral) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[1e-2]];
[[2.]];
[[.2]];
[[2.f]];
}
)cpp",
{R"txt(
FloatingLiteralExpression Expression
`-'1e-2' LiteralToken
)txt",
R"txt(
FloatingLiteralExpression Expression
`-'2.' LiteralToken
)txt",
R"txt(
FloatingLiteralExpression Expression
`-'.2' LiteralToken
)txt",
R"txt(
FloatingLiteralExpression Expression
`-'2.f' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, FloatingLiteral_Hexadecimal) {
if (!GetParam().isCXX17OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[0xfp1]];
[[0xf.p1]];
[[0x.fp1]];
[[0xf.fp1f]];
}
)cpp",
{R"txt(
FloatingLiteralExpression Expression
`-'0xfp1' LiteralToken
)txt",
R"txt(
FloatingLiteralExpression Expression
`-'0xf.p1' LiteralToken
)txt",
R"txt(
FloatingLiteralExpression Expression
`-'0x.fp1' LiteralToken
)txt",
R"txt(
FloatingLiteralExpression Expression
`-'0xf.fp1f' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, StringLiteral) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[["a\n\0\x20"]];
[[L"αβ"]];
}
)cpp",
{R"txt(
StringLiteralExpression Expression
`-'"a\n\0\x20"' LiteralToken
)txt",
R"txt(
StringLiteralExpression Expression
`-'L"αβ"' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, StringLiteral_Utf) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[u8"a\x1f\x05"]];
[[u"C++抽象構文木"]];
[[U"📖🌲\n"]];
}
)cpp",
{R"txt(
StringLiteralExpression Expression
`-'u8"a\x1f\x05"' LiteralToken
)txt",
R"txt(
StringLiteralExpression Expression
`-'u"C++抽象構文木"' LiteralToken
)txt",
R"txt(
StringLiteralExpression Expression
`-'U"📖🌲\n"' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, StringLiteral_Raw) {
if (!GetParam().isCXX11OrLater()) {
return;
}
// This test uses regular string literals instead of raw string literals to
// hold source code and expected output because of a bug in MSVC up to MSVC
// 2019 16.2:
// https://developercommunity.visualstudio.com/content/problem/67300/stringifying-raw-string-literal.html
EXPECT_TRUE(treeDumpEqual( //
"void test() {\n"
" R\"SyntaxTree(\n"
" Hello \"Syntax\" \\\"\n"
" )SyntaxTree\";\n"
"}\n",
"TranslationUnit Detached\n"
"`-SimpleDeclaration\n"
" |-'void'\n"
" |-DeclaratorList Declarators\n"
" | `-SimpleDeclarator ListElement\n"
" | |-'test'\n"
" | `-ParametersAndQualifiers\n"
" | |-'(' OpenParen\n"
" | `-')' CloseParen\n"
" `-CompoundStatement\n"
" |-'{' OpenParen\n"
" |-ExpressionStatement Statement\n"
" | |-StringLiteralExpression Expression\n"
" | | `-'R\"SyntaxTree(\n"
" Hello \"Syntax\" \\\"\n"
" )SyntaxTree\"' LiteralToken\n"
" | `-';'\n"
" `-'}' CloseParen\n"));
}
TEST_P(BuildSyntaxTreeTest, BoolLiteral) {
if (GetParam().isC()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[true]];
[[false]];
}
)cpp",
{R"txt(
BoolLiteralExpression Expression
`-'true' LiteralToken
)txt",
R"txt(
BoolLiteralExpression Expression
`-'false' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CxxNullPtrLiteral) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[nullptr]];
}
)cpp",
{R"txt(
CxxNullPtrExpression Expression
`-'nullptr' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, PostfixUnaryOperator) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test(int a) {
[[a++]];
[[a--]];
}
)cpp",
{R"txt(
PostfixUnaryOperatorExpression Expression
|-IdExpression Operand
| `-UnqualifiedId UnqualifiedId
| `-'a'
`-'++' OperatorToken
)txt",
R"txt(
PostfixUnaryOperatorExpression Expression
|-IdExpression Operand
| `-UnqualifiedId UnqualifiedId
| `-'a'
`-'--' OperatorToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, PrefixUnaryOperator) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test(int a, int *ap) {
[[--a]]; [[++a]];
[[~a]];
[[-a]];
[[+a]];
[[&a]];
[[*ap]];
[[!a]];
[[__real a]]; [[__imag a]];
}
)cpp",
{R"txt(
PrefixUnaryOperatorExpression Expression
|-'--' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'++' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'~' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'-' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'+' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'&' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'*' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'ap'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'!' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'__real' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'__imag' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, PrefixUnaryOperatorCxx) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test(int a, bool b) {
[[compl a]];
[[not b]];
}
)cpp",
{R"txt(
PrefixUnaryOperatorExpression Expression
|-'compl' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'a'
)txt",
R"txt(
PrefixUnaryOperatorExpression Expression
|-'not' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'b'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, BinaryOperator) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test(int a) {
[[1 - 2]];
[[1 == 2]];
[[a = 1]];
[[a <<= 1]];
[[1 || 0]];
[[1 & 2]];
[[a != 3]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-IntegerLiteralExpression LeftHandSide
| `-'1' LiteralToken
|-'-' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'2' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IntegerLiteralExpression LeftHandSide
| `-'1' LiteralToken
|-'==' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'2' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'a'
|-'=' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'1' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'a'
|-'<<=' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'1' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IntegerLiteralExpression LeftHandSide
| `-'1' LiteralToken
|-'||' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'0' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IntegerLiteralExpression LeftHandSide
| `-'1' LiteralToken
|-'&' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'2' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'a'
|-'!=' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'3' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, BinaryOperatorCxx) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test(int a) {
[[true || false]];
[[true or false]];
[[1 bitand 2]];
[[a xor_eq 3]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-BoolLiteralExpression LeftHandSide
| `-'true' LiteralToken
|-'||' OperatorToken
`-BoolLiteralExpression RightHandSide
`-'false' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-BoolLiteralExpression LeftHandSide
| `-'true' LiteralToken
|-'or' OperatorToken
`-BoolLiteralExpression RightHandSide
`-'false' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IntegerLiteralExpression LeftHandSide
| `-'1' LiteralToken
|-'bitand' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'2' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'a'
|-'xor_eq' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'3' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, BinaryOperator_NestedWithParenthesis) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[(1 + 2) * (4 / 2)]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-ParenExpression LeftHandSide
| |-'(' OpenParen
| |-BinaryOperatorExpression SubExpression
| | |-IntegerLiteralExpression LeftHandSide
| | | `-'1' LiteralToken
| | |-'+' OperatorToken
| | `-IntegerLiteralExpression RightHandSide
| | `-'2' LiteralToken
| `-')' CloseParen
|-'*' OperatorToken
`-ParenExpression RightHandSide
|-'(' OpenParen
|-BinaryOperatorExpression SubExpression
| |-IntegerLiteralExpression LeftHandSide
| | `-'4' LiteralToken
| |-'/' OperatorToken
| `-IntegerLiteralExpression RightHandSide
| `-'2' LiteralToken
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, BinaryOperator_Associativity) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test(int a, int b) {
[[a + b + 42]];
[[a = b = 42]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-BinaryOperatorExpression LeftHandSide
| |-IdExpression LeftHandSide
| | `-UnqualifiedId UnqualifiedId
| | `-'a'
| |-'+' OperatorToken
| `-IdExpression RightHandSide
| `-UnqualifiedId UnqualifiedId
| `-'b'
|-'+' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'42' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'a'
|-'=' OperatorToken
`-BinaryOperatorExpression RightHandSide
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'b'
|-'=' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'42' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, BinaryOperator_Precedence) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void test() {
[[1 + 2 * 3 + 4]];
[[1 % 2 + 3 * 4]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-BinaryOperatorExpression LeftHandSide
| |-IntegerLiteralExpression LeftHandSide
| | `-'1' LiteralToken
| |-'+' OperatorToken
| `-BinaryOperatorExpression RightHandSide
| |-IntegerLiteralExpression LeftHandSide
| | `-'2' LiteralToken
| |-'*' OperatorToken
| `-IntegerLiteralExpression RightHandSide
| `-'3' LiteralToken
|-'+' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'4' LiteralToken
)txt",
R"txt(
BinaryOperatorExpression Expression
|-BinaryOperatorExpression LeftHandSide
| |-IntegerLiteralExpression LeftHandSide
| | `-'1' LiteralToken
| |-'%' OperatorToken
| `-IntegerLiteralExpression RightHandSide
| `-'2' LiteralToken
|-'+' OperatorToken
`-BinaryOperatorExpression RightHandSide
|-IntegerLiteralExpression LeftHandSide
| `-'3' LiteralToken
|-'*' OperatorToken
`-IntegerLiteralExpression RightHandSide
`-'4' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_Assignment) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X& operator=(const X&);
};
void test(X x, X y) {
[[x = y]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'x'
|-'=' OperatorToken
`-IdExpression RightHandSide
`-UnqualifiedId UnqualifiedId
`-'y'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_Plus) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
friend X operator+(X, const X&);
};
void test(X x, X y) {
[[x + y]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'x'
|-'+' OperatorToken
`-IdExpression RightHandSide
`-UnqualifiedId UnqualifiedId
`-'y'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_Less) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
friend bool operator<(const X&, const X&);
};
void test(X x, X y) {
[[x < y]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'x'
|-'<' OperatorToken
`-IdExpression RightHandSide
`-UnqualifiedId UnqualifiedId
`-'y'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_LeftShift) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
friend X operator<<(X&, const X&);
};
void test(X x, X y) {
[[x << y]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'x'
|-'<<' OperatorToken
`-IdExpression RightHandSide
`-UnqualifiedId UnqualifiedId
`-'y'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_Comma) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X operator,(X&);
};
void test(X x, X y) {
[[x, y]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'x'
|-',' OperatorToken
`-IdExpression RightHandSide
`-UnqualifiedId UnqualifiedId
`-'y'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_PointerToMember) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X operator->*(int);
};
void test(X* xp, int X::* pmi) {
[[xp->*pmi]];
}
)cpp",
{R"txt(
BinaryOperatorExpression Expression
|-IdExpression LeftHandSide
| `-UnqualifiedId UnqualifiedId
| `-'xp'
|-'->*' OperatorToken
`-IdExpression RightHandSide
`-UnqualifiedId UnqualifiedId
`-'pmi'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_Negation) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
bool operator!();
};
void test(X x) {
[[!x]];
}
)cpp",
{R"txt(
PrefixUnaryOperatorExpression Expression
|-'!' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'x'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_AddressOf) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X* operator&();
};
void test(X x) {
[[&x]];
}
)cpp",
{R"txt(
PrefixUnaryOperatorExpression Expression
|-'&' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'x'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_PrefixIncrement) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X operator++();
};
void test(X x) {
[[++x]];
}
)cpp",
{R"txt(
PrefixUnaryOperatorExpression Expression
|-'++' OperatorToken
`-IdExpression Operand
`-UnqualifiedId UnqualifiedId
`-'x'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperator_PostfixIncrement) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X operator++(int);
};
void test(X x) {
[[x++]];
}
)cpp",
{R"txt(
PostfixUnaryOperatorExpression Expression
|-IdExpression Operand
| `-UnqualifiedId UnqualifiedId
| `-'x'
`-'++' OperatorToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_SimpleWithDot) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
int a;
};
void test(struct S s) {
[[s.a]];
}
)cpp",
{R"txt(
MemberExpression Expression
|-IdExpression Object
| `-UnqualifiedId UnqualifiedId
| `-'s'
|-'.' AccessToken
`-IdExpression Member
`-UnqualifiedId UnqualifiedId
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_StaticDataMember) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
static int a;
};
void test(S s) {
[[s.a]];
}
)cpp",
{R"txt(
MemberExpression Expression
|-IdExpression Object
| `-UnqualifiedId UnqualifiedId
| `-'s'
|-'.' AccessToken
`-IdExpression Member
`-UnqualifiedId UnqualifiedId
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_SimpleWithArrow) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
int a;
};
void test(struct S* sp) {
[[sp->a]];
}
)cpp",
{R"txt(
MemberExpression Expression
|-IdExpression Object
| `-UnqualifiedId UnqualifiedId
| `-'sp'
|-'->' AccessToken
`-IdExpression Member
`-UnqualifiedId UnqualifiedId
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_Chaining) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
struct S* next;
};
void test(struct S s){
[[s.next->next]];
}
)cpp",
{R"txt(
MemberExpression Expression
|-MemberExpression Object
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'.' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| `-'next'
|-'->' AccessToken
`-IdExpression Member
`-UnqualifiedId UnqualifiedId
`-'next'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_OperatorFunction) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
bool operator!();
};
void test(S s) {
[[s.operator!()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'.' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| |-'operator'
| `-'!'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_VariableTemplate) {
if (!GetParam().isCXX14OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
template<typename T>
static constexpr T x = 42;
};
// FIXME: `<int>` should be a child of `MemberExpression` and `;` of
// `ExpressionStatement`. This is a bug in clang, in `getSourceRange` methods.
void test(S s) [[{
s.x<int>;
}]]
)cpp",
{R"txt(
CompoundStatement
|-'{' OpenParen
|-ExpressionStatement Statement
| `-MemberExpression Expression
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'.' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| `-'x'
|-'<'
|-'int'
|-'>'
|-';'
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_FunctionTemplate) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
template<typename T>
T f();
};
void test(S* sp){
[[sp->f<int>()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'sp'
| |-'->' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-'int'
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest,
MemberExpression_FunctionTemplateWithTemplateKeyword) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
template<typename T>
T f();
};
void test(S s){
[[s.template f<int>()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'.' AccessToken
| |-'template'
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-'int'
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_WithQualifier) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct Base {
void f();
};
struct S : public Base {};
void test(S s){
[[s.Base::f()]];
[[s.::S::~S()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'.' AccessToken
| `-IdExpression Member
| |-NestedNameSpecifier Qualifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'Base'
| | `-'::' ListDelimiter
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'.' AccessToken
| `-IdExpression Member
| |-NestedNameSpecifier Qualifier
| | |-'::' ListDelimiter
| | |-IdentifierNameSpecifier ListElement
| | | `-'S'
| | `-'::' ListDelimiter
| `-UnqualifiedId UnqualifiedId
| |-'~'
| `-'S'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberExpression_Complex) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template<typename T>
struct U {
template<typename U>
U f();
};
struct S {
U<int> getU();
};
void test(S* sp) {
// FIXME: The first 'template' keyword is a child of `NestedNameSpecifier`,
// but it should be a child of `MemberExpression` according to the grammar.
// However one might argue that the 'template' keyword fits better inside
// `NestedNameSpecifier` because if we change `U<int>` to `UI` we would like
// equally to change the `NameSpecifier` `template U<int>` to just `UI`.
[[sp->getU().template U<int>::template f<int>()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-CallExpression Object
| | |-MemberExpression Callee
| | | |-IdExpression Object
| | | | `-UnqualifiedId UnqualifiedId
| | | | `-'sp'
| | | |-'->' AccessToken
| | | `-IdExpression Member
| | | `-UnqualifiedId UnqualifiedId
| | | `-'getU'
| | |-'(' OpenParen
| | `-')' CloseParen
| |-'.' AccessToken
| `-IdExpression Member
| |-NestedNameSpecifier Qualifier
| | |-SimpleTemplateNameSpecifier ListElement
| | | |-'template'
| | | |-'U'
| | | |-'<'
| | | |-'int'
| | | `-'>'
| | `-'::' ListDelimiter
| |-'template' TemplateKeyword
| `-UnqualifiedId UnqualifiedId
| |-'f'
| |-'<'
| |-'int'
| `-'>'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Callee_Member) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S{
void f();
};
void test(S s) {
[[s.f()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-IdExpression Object
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'.' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Callee_OperatorParens) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
void operator()();
};
void test(S s) {
[[s()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| `-'s'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Callee_OperatorParensChaining) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
S operator()();
};
void test(S s) {
[[s()()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-CallExpression Callee
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'s'
| |-'(' OpenParen
| `-')' CloseParen
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Callee_MemberWithThis) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct Base {
void f();
};
struct S: public Base {
void f();
void test() {
[[this->f()]];
[[f()]];
[[this->Base::f()]];
}
};
)cpp",
{R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-ThisExpression Object
| | `-'this' IntroducerKeyword
| |-'->' AccessToken
| `-IdExpression Member
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-MemberExpression Callee
| |-ThisExpression Object
| | `-'this' IntroducerKeyword
| |-'->' AccessToken
| `-IdExpression Member
| |-NestedNameSpecifier Qualifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'Base'
| | `-'::' ListDelimiter
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Callee_FunctionPointer) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void (*pf)();
void test() {
[[pf()]];
[[(*pf)()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| `-'pf'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-ParenExpression Callee
| |-'(' OpenParen
| |-PrefixUnaryOperatorExpression SubExpression
| | |-'*' OperatorToken
| | `-IdExpression Operand
| | `-UnqualifiedId UnqualifiedId
| | `-'pf'
| `-')' CloseParen
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Callee_MemberFunctionPointer) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
void f();
};
void test(S s) {
void (S::*pmf)();
pmf = &S::f;
[[(s.*pmf)()]];
}
)cpp",
{R"txt(
CallExpression Expression
|-ParenExpression Callee
| |-'(' OpenParen
| |-BinaryOperatorExpression SubExpression
| | |-IdExpression LeftHandSide
| | | `-UnqualifiedId UnqualifiedId
| | | `-'s'
| | |-'.*' OperatorToken
| | `-IdExpression RightHandSide
| | `-UnqualifiedId UnqualifiedId
| | `-'pmf'
| `-')' CloseParen
|-'(' OpenParen
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Arguments_Zero) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void f();
void test() {
[[f();]]
}
)cpp",
{R"txt(
ExpressionStatement Statement
|-CallExpression Expression
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'f'
| |-'(' OpenParen
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Arguments_One) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void f(int);
void test() {
[[f(1);]]
}
)cpp",
{R"txt(
ExpressionStatement Statement
|-CallExpression Expression
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'f'
| |-'(' OpenParen
| |-CallArguments Arguments
| | `-IntegerLiteralExpression ListElement
| | `-'1' LiteralToken
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Arguments_Multiple) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void f(int, char, float);
void test() {
[[f(1, '2', 3.);]]
}
)cpp",
{R"txt(
ExpressionStatement Statement
|-CallExpression Expression
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'f'
| |-'(' OpenParen
| |-CallArguments Arguments
| | |-IntegerLiteralExpression ListElement
| | | `-'1' LiteralToken
| | |-',' ListDelimiter
| | |-CharacterLiteralExpression ListElement
| | | `-''2'' LiteralToken
| | |-',' ListDelimiter
| | `-FloatingLiteralExpression ListElement
| | `-'3.' LiteralToken
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Arguments_Assignment) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void f(int);
void test(int a) {
[[f(a = 1);]]
}
)cpp",
{R"txt(
ExpressionStatement Statement
|-CallExpression Expression
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'f'
| |-'(' OpenParen
| |-CallArguments Arguments
| | `-BinaryOperatorExpression ListElement
| | |-IdExpression LeftHandSide
| | | `-UnqualifiedId UnqualifiedId
| | | `-'a'
| | |-'=' OperatorToken
| | `-IntegerLiteralExpression RightHandSide
| | `-'1' LiteralToken
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Arguments_BracedInitList_Empty) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void f(int[]);
void test() {
[[f({});]]
}
)cpp",
{R"txt(
ExpressionStatement Statement
|-CallExpression Expression
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'f'
| |-'(' OpenParen
| |-CallArguments Arguments
| | `-UnknownExpression ListElement
| | `-UnknownExpression
| | |-'{'
| | `-'}'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Arguments_BracedInitList_Simple) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct TT {};
struct T{
int a;
TT b;
};
void f(T);
void test() {
[[f({1, {}});]]
}
)cpp",
{R"txt(
ExpressionStatement Statement
|-CallExpression Expression
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'f'
| |-'(' OpenParen
| |-CallArguments Arguments
| | `-UnknownExpression ListElement
| | `-UnknownExpression
| | |-'{'
| | |-IntegerLiteralExpression
| | | `-'1' LiteralToken
| | |-','
| | |-UnknownExpression
| | | `-UnknownExpression
| | | |-'{'
| | | `-'}'
| | `-'}'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest,
CallExpression_Arguments_BracedInitList_Designated) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct TT {};
struct T{
int a;
TT b;
};
void f(T);
void test() {
[[f({.a = 1, .b {}});]]
}
)cpp",
{R"txt(
ExpressionStatement Statement
|-CallExpression Expression
| |-IdExpression Callee
| | `-UnqualifiedId UnqualifiedId
| | `-'f'
| |-'(' OpenParen
| |-CallArguments Arguments
| | `-UnknownExpression ListElement
| | `-UnknownExpression
| | |-'{'
| | |-UnknownExpression
| | | |-'.'
| | | |-'a'
| | | |-'='
| | | `-IntegerLiteralExpression
| | | `-'1' LiteralToken
| | |-','
| | |-UnknownExpression
| | | |-'.'
| | | |-'b'
| | | `-UnknownExpression
| | | `-UnknownExpression
| | | |-'{'
| | | `-'}'
| | `-'}'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_Arguments_ParameterPack) {
if (!GetParam().isCXX11OrLater() || GetParam().hasDelayedTemplateParsing()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template<typename T, typename... Args>
void test(T t, Args... args) {
[[test(args...)]];
}
)cpp",
{R"txt(
CallExpression Expression
|-UnknownExpression Callee
| `-'test'
|-'(' OpenParen
|-CallArguments Arguments
| `-UnknownExpression ListElement
| |-IdExpression
| | `-UnqualifiedId UnqualifiedId
| | `-'args'
| `-'...'
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, CallExpression_DefaultArguments) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
void f(int i = 1, char c = '2');
void test() {
[[f()]];
[[f(1)]];
[[f(1, '2')]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
|-CallArguments Arguments
| `-IntegerLiteralExpression ListElement
| `-'1' LiteralToken
`-')' CloseParen
)txt",
R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| `-'f'
|-'(' OpenParen
|-CallArguments Arguments
| |-IntegerLiteralExpression ListElement
| | `-'1' LiteralToken
| |-',' ListDelimiter
| `-CharacterLiteralExpression ListElement
| `-''2'' LiteralToken
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MultipleDeclaratorsGrouping) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int *a, b;
int *c, d;
)cpp",
R"txt(
TranslationUnit Detached
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | |-SimpleDeclarator ListElement
| | | |-'*'
| | | `-'a'
| | |-',' ListDelimiter
| | `-SimpleDeclarator ListElement
| | `-'b'
| `-';'
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| |-SimpleDeclarator ListElement
| | |-'*'
| | `-'c'
| |-',' ListDelimiter
| `-SimpleDeclarator ListElement
| `-'d'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, MultipleDeclaratorsGroupingTypedef) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
typedef int *a, b;
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'typedef'
|-'int'
|-DeclaratorList Declarators
| |-SimpleDeclarator ListElement
| | |-'*'
| | `-'a'
| |-',' ListDelimiter
| `-SimpleDeclarator ListElement
| `-'b'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, MultipleDeclaratorsInsideStatement) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
void foo() {
int *a, b;
typedef int *ta, tb;
}
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'foo'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
|-DeclarationStatement Statement
| |-SimpleDeclaration
| | |-'int'
| | `-DeclaratorList Declarators
| | |-SimpleDeclarator ListElement
| | | |-'*'
| | | `-'a'
| | |-',' ListDelimiter
| | `-SimpleDeclarator ListElement
| | `-'b'
| `-';'
|-DeclarationStatement Statement
| |-SimpleDeclaration
| | |-'typedef'
| | |-'int'
| | `-DeclaratorList Declarators
| | |-SimpleDeclarator ListElement
| | | |-'*'
| | | `-'ta'
| | |-',' ListDelimiter
| | `-SimpleDeclarator ListElement
| | `-'tb'
| `-';'
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, SizeTTypedef) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
typedef decltype(sizeof(void *)) size_t;
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'typedef'
|-'decltype'
|-'('
|-UnknownExpression
| |-'sizeof'
| |-'('
| |-'void'
| |-'*'
| `-')'
|-')'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-'size_t'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Namespace_Nested) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
namespace a { namespace b {} }
)cpp",
R"txt(
TranslationUnit Detached
`-NamespaceDefinition
|-'namespace'
|-'a'
|-'{'
|-NamespaceDefinition
| |-'namespace'
| |-'b'
| |-'{'
| `-'}'
`-'}'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Namespace_NestedDefinition) {
if (!GetParam().isCXX17OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
namespace a::b {}
)cpp",
R"txt(
TranslationUnit Detached
`-NamespaceDefinition
|-'namespace'
|-'a'
|-'::'
|-'b'
|-'{'
`-'}'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Namespace_Unnamed) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
namespace {}
)cpp",
R"txt(
TranslationUnit Detached
`-NamespaceDefinition
|-'namespace'
|-'{'
`-'}'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Namespace_Alias) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
namespace a {}
[[namespace foo = a;]]
)cpp",
{R"txt(
NamespaceAliasDefinition
|-'namespace'
|-'foo'
|-'='
|-'a'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UsingDirective) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
namespace ns {}
[[using namespace ::ns;]]
)cpp",
{R"txt(
UsingNamespaceDirective
|-'using'
|-'namespace'
|-NestedNameSpecifier
| `-'::' ListDelimiter
|-'ns'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UsingDeclaration_Namespace) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
namespace ns { int a; }
[[using ns::a;]]
)cpp",
{R"txt(
UsingDeclaration
|-'using'
|-NestedNameSpecifier
| |-IdentifierNameSpecifier ListElement
| | `-'ns'
| `-'::' ListDelimiter
|-'a'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UsingDeclaration_ClassMember) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template <class T> struct X {
[[using T::foo;]]
[[using typename T::bar;]]
};
)cpp",
{R"txt(
UsingDeclaration
|-'using'
|-NestedNameSpecifier
| |-IdentifierNameSpecifier ListElement
| | `-'T'
| `-'::' ListDelimiter
|-'foo'
`-';'
)txt",
R"txt(
UsingDeclaration
|-'using'
|-'typename'
|-NestedNameSpecifier
| |-IdentifierNameSpecifier ListElement
| | `-'T'
| `-'::' ListDelimiter
|-'bar'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, UsingTypeAlias) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
using type = int;
)cpp",
R"txt(
TranslationUnit Detached
`-TypeAliasDeclaration
|-'using'
|-'type'
|-'='
|-'int'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, FreeStandingClass_ForwardDeclaration) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
[[struct X;]]
[[struct Y *y1;]]
)cpp",
{R"txt(
SimpleDeclaration
|-'struct'
|-'X'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'struct'
|-'Y'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'*'
| `-'y1'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, FreeStandingClasses_Definition) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
[[struct X {};]]
[[struct Y {} *y2;]]
[[struct {} *a1;]]
)cpp",
{R"txt(
SimpleDeclaration
|-'struct'
|-'X'
|-'{'
|-'}'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'struct'
|-'Y'
|-'{'
|-'}'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'*'
| `-'y2'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'struct'
|-'{'
|-'}'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'*'
| `-'a1'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, StaticMemberFunction) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
[[static void f(){}]]
};
)cpp",
{R"txt(
SimpleDeclaration
|-'static'
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'f'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OutOfLineMemberFunctionDefinition) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
void f();
};
[[void S::f(){}]]
)cpp",
{R"txt(
SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-NestedNameSpecifier
| | |-IdentifierNameSpecifier ListElement
| | | `-'S'
| | `-'::' ListDelimiter
| |-'f'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ConversionMemberFunction) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
[[operator int();]]
};
)cpp",
{R"txt(
SimpleDeclaration
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'operator'
| |-'int'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, LiteralOperatorDeclaration) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
unsigned operator "" _c(char);
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'unsigned'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'operator'
| |-'""'
| |-'_c'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | `-'char'
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, NumericLiteralOperatorTemplateDeclaration) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
template <char...>
unsigned operator "" _t();
)cpp",
R"txt(
TranslationUnit Detached
`-TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-SimpleDeclaration
| `-'char'
|-'...'
|-'>'
`-SimpleDeclaration
|-'unsigned'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'operator'
| |-'""'
| |-'_t'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperatorDeclaration) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
[[X& operator=(const X&);]]
};
)cpp",
{R"txt(
SimpleDeclaration
|-'X'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'&'
| |-'operator'
| |-'='
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | |-'const'
| | |-'X'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'&'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, OverloadedOperatorFriendDeclaration) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
[[friend X operator+(X, const X&);]]
};
)cpp",
{R"txt(
UnknownDeclaration
`-SimpleDeclaration
|-'friend'
|-'X'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'operator'
| |-'+'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | `-'X'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | |-'const'
| | |-'X'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'&'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ClassTemplateDeclaration) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
template<typename T>
struct ST {};
)cpp",
R"txt(
TranslationUnit Detached
`-TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-UnknownDeclaration
| |-'typename'
| `-'T'
|-'>'
`-SimpleDeclaration
|-'struct'
|-'ST'
|-'{'
|-'}'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, FunctionTemplateDeclaration) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
template<typename T>
T f();
)cpp",
R"txt(
TranslationUnit Detached
`-TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-UnknownDeclaration
| |-'typename'
| `-'T'
|-'>'
`-SimpleDeclaration
|-'T'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'f'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, VariableTemplateDeclaration) {
if (!GetParam().isCXX14OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
template <class T> T var = 10;
)cpp",
R"txt(
TranslationUnit Detached
`-TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-UnknownDeclaration
| |-'class'
| `-'T'
|-'>'
`-SimpleDeclaration
|-'T'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'var'
| |-'='
| `-IntegerLiteralExpression
| `-'10' LiteralToken
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, StaticMemberFunctionTemplate) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
[[template<typename U>
static U f();]]
};
)cpp",
{R"txt(
TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-UnknownDeclaration
| |-'typename'
| `-'U'
|-'>'
`-SimpleDeclaration
|-'static'
|-'U'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'f'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, NestedTemplates) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
template <class T>
struct X {
template <class U>
U foo();
};
)cpp",
R"txt(
TranslationUnit Detached
`-TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-UnknownDeclaration
| |-'class'
| `-'T'
|-'>'
`-SimpleDeclaration
|-'struct'
|-'X'
|-'{'
|-TemplateDeclaration Declaration
| |-'template' IntroducerKeyword
| |-'<'
| |-UnknownDeclaration
| | |-'class'
| | `-'U'
| |-'>'
| `-SimpleDeclaration
| |-'U'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'foo'
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | `-')' CloseParen
| `-';'
|-'}'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, NestedTemplatesInNamespace) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
namespace n {
template<typename T>
struct ST {
template<typename U>
static U f();
};
}
)cpp",
R"txt(
TranslationUnit Detached
`-NamespaceDefinition
|-'namespace'
|-'n'
|-'{'
|-TemplateDeclaration Declaration
| |-'template' IntroducerKeyword
| |-'<'
| |-UnknownDeclaration
| | |-'typename'
| | `-'T'
| |-'>'
| `-SimpleDeclaration
| |-'struct'
| |-'ST'
| |-'{'
| |-TemplateDeclaration Declaration
| | |-'template' IntroducerKeyword
| | |-'<'
| | |-UnknownDeclaration
| | | |-'typename'
| | | `-'U'
| | |-'>'
| | `-SimpleDeclaration
| | |-'static'
| | |-'U'
| | |-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | |-'f'
| | | `-ParametersAndQualifiers
| | | |-'(' OpenParen
| | | `-')' CloseParen
| | `-';'
| |-'}'
| `-';'
`-'}'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ClassTemplate_MemberClassDefinition) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template <class T> struct X { struct Y; };
[[template <class T> struct X<T>::Y {};]]
)cpp",
{R"txt(
TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-UnknownDeclaration
| |-'class'
| `-'T'
|-'>'
`-SimpleDeclaration
|-'struct'
|-NestedNameSpecifier
| |-SimpleTemplateNameSpecifier ListElement
| | |-'X'
| | |-'<'
| | |-'T'
| | `-'>'
| `-'::' ListDelimiter
|-'Y'
|-'{'
|-'}'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ExplicitClassTemplateInstantiation_Definition) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template <class T> struct X {};
[[template struct X<double>;]]
)cpp",
{R"txt(
ExplicitTemplateInstantiation
|-'template' IntroducerKeyword
`-SimpleDeclaration Declaration
|-'struct'
|-'X'
|-'<'
|-'double'
|-'>'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ExplicitClassTemplateInstantiation_Declaration) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template <class T> struct X {};
[[extern template struct X<float>;]]
)cpp",
{R"txt(
ExplicitTemplateInstantiation
|-'extern' ExternKeyword
|-'template' IntroducerKeyword
`-SimpleDeclaration Declaration
|-'struct'
|-'X'
|-'<'
|-'float'
|-'>'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ClassTemplateSpecialization_Partial) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template <class T> struct X {};
[[template <class T> struct X<T*> {};]]
)cpp",
{R"txt(
TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-UnknownDeclaration
| |-'class'
| `-'T'
|-'>'
`-SimpleDeclaration
|-'struct'
|-'X'
|-'<'
|-'T'
|-'*'
|-'>'
|-'{'
|-'}'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ClassTemplateSpecialization_Full) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template <class T> struct X {};
[[template <> struct X<int> {};]]
)cpp",
{R"txt(
TemplateDeclaration Declaration
|-'template' IntroducerKeyword
|-'<'
|-'>'
`-SimpleDeclaration
|-'struct'
|-'X'
|-'<'
|-'int'
|-'>'
|-'{'
|-'}'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, EmptyDeclaration) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
;
)cpp",
R"txt(
TranslationUnit Detached
`-EmptyDeclaration
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, StaticAssert) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
static_assert(true, "message");
)cpp",
R"txt(
TranslationUnit Detached
`-StaticAssertDeclaration
|-'static_assert'
|-'('
|-BoolLiteralExpression Condition
| `-'true' LiteralToken
|-','
|-StringLiteralExpression Message
| `-'"message"' LiteralToken
|-')'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, StaticAssert_WithoutMessage) {
if (!GetParam().isCXX17OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
static_assert(true);
)cpp",
R"txt(
TranslationUnit Detached
`-StaticAssertDeclaration
|-'static_assert'
|-'('
|-BoolLiteralExpression Condition
| `-'true' LiteralToken
|-')'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ExternC) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
extern "C" int a;
extern "C" { int b; int c; }
)cpp",
R"txt(
TranslationUnit Detached
|-LinkageSpecificationDeclaration
| |-'extern'
| |-'"C"'
| `-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'a'
| `-';'
`-LinkageSpecificationDeclaration
|-'extern'
|-'"C"'
|-'{'
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'b'
| `-';'
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'c'
| `-';'
`-'}'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Macro_ObjectLike_Leaf) {
// All nodes can be mutated.
EXPECT_TRUE(treeDumpEqual(
R"cpp(
#define OPEN {
#define CLOSE }
void test() {
OPEN
1;
CLOSE
OPEN
2;
}
}
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
|-CompoundStatement Statement
| |-'{' OpenParen
| |-ExpressionStatement Statement
| | |-IntegerLiteralExpression Expression
| | | `-'1' LiteralToken
| | `-';'
| `-'}' CloseParen
|-CompoundStatement Statement
| |-'{' OpenParen
| |-ExpressionStatement Statement
| | |-IntegerLiteralExpression Expression
| | | `-'2' LiteralToken
| | `-';'
| `-'}' CloseParen
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Macro_ObjectLike_MatchTree) {
// Some nodes are unmodifiable, they are marked with 'unmodifiable'.
EXPECT_TRUE(treeDumpEqual(
R"cpp(
#define BRACES {}
void test() BRACES
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen unmodifiable
`-'}' CloseParen unmodifiable
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Macro_ObjectLike_MismatchTree) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
#define HALF_IF if (1+
#define HALF_IF_2 1) {}
void test() {
HALF_IF HALF_IF_2 else {}
})cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
|-IfStatement Statement
| |-'if' IntroducerKeyword unmodifiable
| |-'(' unmodifiable
| |-ExpressionStatement Condition unmodifiable
| | `-BinaryOperatorExpression Expression unmodifiable
| | |-IntegerLiteralExpression LeftHandSide unmodifiable
| | | `-'1' LiteralToken unmodifiable
| | |-'+' OperatorToken unmodifiable
| | `-IntegerLiteralExpression RightHandSide unmodifiable
| | `-'1' LiteralToken unmodifiable
| |-')' unmodifiable
| |-CompoundStatement ThenStatement unmodifiable
| | |-'{' OpenParen unmodifiable
| | `-'}' CloseParen unmodifiable
| |-'else' ElseKeyword
| `-CompoundStatement ElseStatement
| |-'{' OpenParen
| `-'}' CloseParen
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Macro_FunctionLike_ModifiableArguments) {
// FIXME: Note that the substitutions for `X` and `Y` are marked modifiable.
// However we cannot change `X` freely. Indeed if we change its substitution
// in the condition we should also change it the then-branch.
EXPECT_TRUE(treeDumpEqual(
R"cpp(
#define MIN(X,Y) X < Y ? X : Y
void test() {
MIN(1,2);
}
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
|-ExpressionStatement Statement
| |-UnknownExpression Expression
| | |-BinaryOperatorExpression unmodifiable
| | | |-IntegerLiteralExpression LeftHandSide
| | | | `-'1' LiteralToken
| | | |-'<' OperatorToken unmodifiable
| | | `-IntegerLiteralExpression RightHandSide
| | | `-'2' LiteralToken
| | |-'?' unmodifiable
| | |-IntegerLiteralExpression
| | | `-'1' LiteralToken
| | |-':' unmodifiable
| | `-IntegerLiteralExpression
| | `-'2' LiteralToken
| `-';'
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Macro_FunctionLike_MismatchTree) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
#define HALF_IF(X) if (X &&
#define HALF_IF_2(Y) Y) {}
void test() {
HALF_IF(1) HALF_IF_2(0) else {}
})cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-CompoundStatement
|-'{' OpenParen
|-IfStatement Statement
| |-'if' IntroducerKeyword unmodifiable
| |-'(' unmodifiable
| |-ExpressionStatement Condition unmodifiable
| | `-BinaryOperatorExpression Expression unmodifiable
| | |-IntegerLiteralExpression LeftHandSide
| | | `-'1' LiteralToken
| | |-'&&' OperatorToken unmodifiable
| | `-IntegerLiteralExpression RightHandSide
| | `-'0' LiteralToken
| |-')' unmodifiable
| |-CompoundStatement ThenStatement unmodifiable
| | |-'{' OpenParen unmodifiable
| | `-'}' CloseParen unmodifiable
| |-'else' ElseKeyword
| `-CompoundStatement ElseStatement
| |-'{' OpenParen
| `-'}' CloseParen
`-'}' CloseParen
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Macro_FunctionLike_Variadic) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
#define CALL(F_NAME, ...) F_NAME(__VA_ARGS__)
void f(int);
void g(int, int);
void test() [[{
CALL(f, 0);
CALL(g, 0, 1);
}]]
)cpp",
{R"txt(
CompoundStatement
|-'{' OpenParen
|-ExpressionStatement Statement
| |-CallExpression Expression
| | |-IdExpression Callee
| | | `-UnqualifiedId UnqualifiedId
| | | `-'f'
| | |-'(' OpenParen unmodifiable
| | |-CallArguments Arguments
| | | `-IntegerLiteralExpression ListElement
| | | `-'0' LiteralToken
| | `-')' CloseParen unmodifiable
| `-';'
|-ExpressionStatement Statement
| |-CallExpression Expression
| | |-IdExpression Callee
| | | `-UnqualifiedId UnqualifiedId
| | | `-'g'
| | |-'(' OpenParen unmodifiable
| | |-CallArguments Arguments
| | | |-IntegerLiteralExpression ListElement
| | | | `-'0' LiteralToken
| | | |-',' ListDelimiter
| | | `-IntegerLiteralExpression ListElement
| | | `-'1' LiteralToken
| | `-')' CloseParen unmodifiable
| `-';'
`-'}' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, InitDeclarator_Equal) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S { S(int);};
void test() {
[[S s = 1]];
}
)cpp",
{R"txt(
SimpleDeclaration
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
|-'s'
|-'='
`-IntegerLiteralExpression
`-'1' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, InitDeclarator_Brace) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
S();
S(int);
S(int, float);
};
void test(){
// FIXME: 's...' is a declarator and '{...}' is initializer
[[S s0{}]];
[[S s1{1}]];
[[S s2{1, 2.}]];
}
)cpp",
{R"txt(
SimpleDeclaration
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-UnknownExpression
|-'s0'
|-'{'
`-'}'
)txt",
R"txt(
SimpleDeclaration
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-UnknownExpression
|-'s1'
|-'{'
|-IntegerLiteralExpression
| `-'1' LiteralToken
`-'}'
)txt",
R"txt(
SimpleDeclaration
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-UnknownExpression
|-'s2'
|-'{'
|-IntegerLiteralExpression
| `-'1' LiteralToken
|-','
|-FloatingLiteralExpression
| `-'2.' LiteralToken
`-'}'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, InitDeclarator_EqualBrace) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
S();
S(int);
S(int, float);
};
void test() {
// FIXME: '= {...}' is initializer
[[S s0 = {}]];
[[S s1 = {1}]];
[[S s2 = {1, 2.}]];
}
)cpp",
{R"txt(
SimpleDeclaration
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
|-'s0'
|-'='
`-UnknownExpression
|-'{'
`-'}'
)txt",
R"txt(
SimpleDeclaration
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
|-'s1'
|-'='
`-UnknownExpression
|-'{'
|-IntegerLiteralExpression
| `-'1' LiteralToken
`-'}'
)txt",
R"txt(
SimpleDeclaration
|-'S'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
|-'s2'
|-'='
`-UnknownExpression
|-'{'
|-IntegerLiteralExpression
| `-'1' LiteralToken
|-','
|-FloatingLiteralExpression
| `-'2.' LiteralToken
`-'}'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, InitDeclarator_Paren) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
S(int);
S(int, float);
};
// FIXME: 's...' is a declarator and '(...)' is initializer
[[S s1(1);]]
[[S s2(1, 2.);]]
)cpp",
{R"txt(
SimpleDeclaration
|-'S'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-UnknownExpression
| |-'s1'
| |-'('
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| `-')'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'S'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-UnknownExpression
| |-'s2'
| |-'('
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| |-','
| |-FloatingLiteralExpression
| | `-'2.' LiteralToken
| `-')'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, InitDeclarator_Paren_DefaultArguments) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct S {
S(int i = 1, float = 2.);
};
[[S s0;]]
// FIXME: 's...' is a declarator and '(...)' is initializer
[[S s1(1);]]
[[S s2(1, 2.);]]
)cpp",
{R"txt(
SimpleDeclaration
|-'S'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-'s0'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'S'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-UnknownExpression
| |-'s1'
| |-'('
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| `-')'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'S'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-UnknownExpression
| |-'s2'
| |-'('
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| |-','
| |-FloatingLiteralExpression
| | `-'2.' LiteralToken
| `-')'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ImplicitConversion_Argument) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X(int);
};
void TakeX(const X&);
void test() {
[[TakeX(1)]];
}
)cpp",
{R"txt(
CallExpression Expression
|-IdExpression Callee
| `-UnqualifiedId UnqualifiedId
| `-'TakeX'
|-'(' OpenParen
|-CallArguments Arguments
| `-IntegerLiteralExpression ListElement
| `-'1' LiteralToken
`-')' CloseParen
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ImplicitConversion_Return) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X(int);
};
X CreateX(){
[[return 1;]]
}
)cpp",
{R"txt(
ReturnStatement Statement
|-'return' IntroducerKeyword
|-IntegerLiteralExpression ReturnValue
| `-'1' LiteralToken
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ConstructorCall_ZeroArguments) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X();
};
X test() {
[[return X();]]
}
)cpp",
{R"txt(
ReturnStatement Statement
|-'return' IntroducerKeyword
|-UnknownExpression ReturnValue
| |-'X'
| |-'('
| `-')'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ConstructorCall_OneArgument) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X(int);
};
X test() {
[[return X(1);]]
}
)cpp",
{R"txt(
ReturnStatement Statement
|-'return' IntroducerKeyword
|-UnknownExpression ReturnValue
| |-'X'
| |-'('
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| `-')'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ConstructorCall_MultipleArguments) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X(int, char);
};
X test() {
[[return X(1, '2');]]
}
)cpp",
{R"txt(
ReturnStatement Statement
|-'return' IntroducerKeyword
|-UnknownExpression ReturnValue
| |-'X'
| |-'('
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| |-','
| |-CharacterLiteralExpression
| | `-''2'' LiteralToken
| `-')'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ConstructorCall_DefaultArguments) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
X(int i = 1, char c = '2');
};
X test() {
auto x0 = [[X()]];
auto x1 = [[X(1)]];
auto x2 = [[X(1, '2')]];
}
)cpp",
{R"txt(
UnknownExpression
|-'X'
|-'('
`-')'
)txt",
R"txt(
UnknownExpression
|-'X'
|-'('
|-IntegerLiteralExpression
| `-'1' LiteralToken
`-')'
)txt",
R"txt(
UnknownExpression
|-'X'
|-'('
|-IntegerLiteralExpression
| `-'1' LiteralToken
|-','
|-CharacterLiteralExpression
| `-''2'' LiteralToken
`-')'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, TypeConversion_FunctionalNotation) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
float test() {
[[return float(1);]]
}
)cpp",
{R"txt(
ReturnStatement Statement
|-'return' IntroducerKeyword
|-UnknownExpression ReturnValue
| |-'float'
| |-'('
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| `-')'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ArrayDeclarator_Simple) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int a[10];
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'a'
| `-ArraySubscript
| |-'[' OpenParen
| |-IntegerLiteralExpression Size
| | `-'10' LiteralToken
| `-']' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ArrayDeclarator_Multidimensional) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int b[1][2][3];
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'b'
| |-ArraySubscript
| | |-'[' OpenParen
| | |-IntegerLiteralExpression Size
| | | `-'1' LiteralToken
| | `-']' CloseParen
| |-ArraySubscript
| | |-'[' OpenParen
| | |-IntegerLiteralExpression Size
| | | `-'2' LiteralToken
| | `-']' CloseParen
| `-ArraySubscript
| |-'[' OpenParen
| |-IntegerLiteralExpression Size
| | `-'3' LiteralToken
| `-']' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ArrayDeclarator_UnknownBound) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int c[] = {1,2,3};
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'c'
| |-ArraySubscript
| | |-'[' OpenParen
| | `-']' CloseParen
| |-'='
| `-UnknownExpression
| `-UnknownExpression
| |-'{'
| |-IntegerLiteralExpression
| | `-'1' LiteralToken
| |-','
| |-IntegerLiteralExpression
| | `-'2' LiteralToken
| |-','
| |-IntegerLiteralExpression
| | `-'3' LiteralToken
| `-'}'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ArrayDeclarator_Static) {
if (!GetParam().isC99OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
void f(int xs[static 10]);
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'f'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | |-'int'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'xs'
| | `-ArraySubscript
| | |-'[' OpenParen
| | |-'static'
| | |-IntegerLiteralExpression Size
| | | `-'10' LiteralToken
| | `-']' CloseParen
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ParametersAndQualifiers_InFreeFunctions_Empty) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int func();
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'func'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ParametersAndQualifiers_InFreeFunctions_Named) {
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
int func1([[int a]]);
int func2([[int *ap]]);
int func3([[int a, float b]]);
int func4([[undef a]]); // error-ok: no crash on invalid type
)cpp",
{R"txt(
ParameterDeclarationList Parameters
`-SimpleDeclaration ListElement
|-'int'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-'a'
)txt",
R"txt(
ParameterDeclarationList Parameters
`-SimpleDeclaration ListElement
|-'int'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
|-'*'
`-'ap'
)txt",
R"txt(
ParameterDeclarationList Parameters
|-SimpleDeclaration ListElement
| |-'int'
| `-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| `-'a'
|-',' ListDelimiter
`-SimpleDeclaration ListElement
|-'float'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-'b'
)txt",
R"txt(
ParameterDeclarationList Parameters
`-SimpleDeclaration ListElement
|-'undef'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
`-'a'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ParametersAndQualifiers_InFreeFunctions_Unnamed) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int func1(int);
int func2(int *);
int func3(int, float);
)cpp",
R"txt(
TranslationUnit Detached
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'func1'
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | |-ParameterDeclarationList Parameters
| | | `-SimpleDeclaration ListElement
| | | `-'int'
| | `-')' CloseParen
| `-';'
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'func2'
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | |-ParameterDeclarationList Parameters
| | | `-SimpleDeclaration ListElement
| | | |-'int'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'*'
| | `-')' CloseParen
| `-';'
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'func3'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | `-'int'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | `-'float'
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InFreeFunctions_Default_One) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
int func1([[int a = 1]]);
)cpp",
{R"txt(
ParameterDeclarationList Parameters
`-SimpleDeclaration ListElement
|-'int'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
|-'a'
|-'='
`-IntegerLiteralExpression
`-'1' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InFreeFunctions_Default_Multiple) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
int func2([[int *ap, int a = 1, char c = '2']]);
)cpp",
{R"txt(
ParameterDeclarationList Parameters
|-SimpleDeclaration ListElement
| |-'int'
| `-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'*'
| `-'ap'
|-',' ListDelimiter
|-SimpleDeclaration ListElement
| |-'int'
| `-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'a'
| |-'='
| `-IntegerLiteralExpression
| `-'1' LiteralToken
|-',' ListDelimiter
`-SimpleDeclaration ListElement
|-'char'
`-DeclaratorList Declarators
`-SimpleDeclarator ListElement
|-'c'
|-'='
`-CharacterLiteralExpression
`-''2'' LiteralToken
)txt"}));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InVariadicFunctionTemplate_ParameterPack) {
if (!GetParam().isCXX11OrLater() || GetParam().hasDelayedTemplateParsing()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template<typename T, typename... Args>
[[void test(T , Args... );]]
)cpp",
{R"txt(
SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | `-'T'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | |-'Args'
| | `-'...'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InVariadicFunctionTemplate_NamedParameterPack) {
if (!GetParam().isCXX11OrLater() || GetParam().hasDelayedTemplateParsing()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
template<typename T, typename... Args>
[[void test(T t, Args... args);]]
)cpp",
{R"txt(
SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | |-'T'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'t'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | |-'Args'
| | |-'...'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'args'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InFreeFunctions_VariadicArguments) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
void test(int , char ...);
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'test'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | `-'int'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | `-'char'
| |-'...'
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InFreeFunctions_Cxx_CvQualifiers) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int func(const int a, volatile int b, const volatile int c);
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'func'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | |-'const'
| | | |-'int'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'a'
| | |-',' ListDelimiter
| | |-SimpleDeclaration ListElement
| | | |-'volatile'
| | | |-'int'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'b'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | |-'const'
| | |-'volatile'
| | |-'int'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'c'
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ParametersAndQualifiers_InFreeFunctions_Cxx_Ref) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int func(int& a);
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'func'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | |-'int'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'&'
| | `-'a'
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InFreeFunctions_Cxx11_RefRef) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int func(int&& a);
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'func'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | |-'int'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'&&'
| | `-'a'
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ParametersAndQualifiers_InMemberFunctions_Simple) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
struct Test {
int a();
};
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'struct'
|-'Test'
|-'{'
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'a'
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | `-')' CloseParen
| `-';'
|-'}'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest,
ParametersAndQualifiers_InMemberFunctions_CvQualifiers) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct Test {
[[int b() const;]]
[[int c() volatile;]]
[[int d() const volatile;]]
};
)cpp",
{R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'b'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| `-'const'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'c'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| `-'volatile'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'d'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| |-'const'
| `-'volatile'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ParametersAndQualifiers_InMemberFunctions_Ref) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct Test {
[[int e() &;]]
};
)cpp",
{R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'e'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| `-'&'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ParametersAndQualifiers_InMemberFunctions_RefRef) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct Test {
[[int f() &&;]]
};
)cpp",
{R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'f'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| `-'&&'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, TrailingReturn) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
auto foo() -> int;
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'auto'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'foo'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| `-TrailingReturnType TrailingReturn
| |-'->' ArrowToken
| `-'int'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, DynamicExceptionSpecification) {
if (!GetParam().supportsCXXDynamicExceptionSpecification()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct MyException1 {};
struct MyException2 {};
[[int a() throw();]]
[[int b() throw(...);]]
[[int c() throw(MyException1);]]
[[int d() throw(MyException1, MyException2);]]
)cpp",
{R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'a'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| |-'throw'
| |-'('
| `-')'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'b'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| |-'throw'
| |-'('
| |-'...'
| `-')'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'c'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| |-'throw'
| |-'('
| |-'MyException1'
| `-')'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'d'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| |-'throw'
| |-'('
| |-'MyException1'
| |-','
| |-'MyException2'
| `-')'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, NoexceptExceptionSpecification) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int a() noexcept;
int b() noexcept(true);
)cpp",
R"txt(
TranslationUnit Detached
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'a'
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | |-')' CloseParen
| | `-'noexcept'
| `-';'
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'b'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| |-'noexcept'
| |-'('
| |-BoolLiteralExpression
| | `-'true' LiteralToken
| `-')'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, DeclaratorsInParentheses) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
int (a);
int *(b);
int (*c)(int);
int *(d)(int);
)cpp",
R"txt(
TranslationUnit Detached
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-ParenDeclarator
| | |-'(' OpenParen
| | |-'a'
| | `-')' CloseParen
| `-';'
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'*'
| | `-ParenDeclarator
| | |-'(' OpenParen
| | |-'b'
| | `-')' CloseParen
| `-';'
|-SimpleDeclaration
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-ParenDeclarator
| | | |-'(' OpenParen
| | | |-'*'
| | | |-'c'
| | | `-')' CloseParen
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | |-ParameterDeclarationList Parameters
| | | `-SimpleDeclaration ListElement
| | | `-'int'
| | `-')' CloseParen
| `-';'
`-SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'*'
| |-ParenDeclarator
| | |-'(' OpenParen
| | |-'d'
| | `-')' CloseParen
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | `-'int'
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Declaration_ConstVolatileQualifiers_SimpleConst) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
const int west = -1;
int const east = 1;
)cpp",
R"txt(
TranslationUnit Detached
|-SimpleDeclaration
| |-'const'
| |-'int'
| |-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-'west'
| | |-'='
| | `-PrefixUnaryOperatorExpression
| | |-'-' OperatorToken
| | `-IntegerLiteralExpression Operand
| | `-'1' LiteralToken
| `-';'
`-SimpleDeclaration
|-'int'
|-'const'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'east'
| |-'='
| `-IntegerLiteralExpression
| `-'1' LiteralToken
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, Declaration_ConstVolatileQualifiers_MultipleConst) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
const int const universal = 0;
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'const'
|-'int'
|-'const'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'universal'
| |-'='
| `-IntegerLiteralExpression
| `-'0' LiteralToken
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest,
Declaration_ConstVolatileQualifiers_ConstAndVolatile) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
const int const *const *volatile b;
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'const'
|-'int'
|-'const'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'*'
| |-'const'
| |-'*'
| |-'volatile'
| `-'b'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, RangesOfDeclaratorsWithTrailingReturnTypes) {
if (!GetParam().isCXX11OrLater()) {
return;
}
EXPECT_TRUE(treeDumpEqual(
R"cpp(
auto foo() -> auto(*)(int) -> double*;
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'auto'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'foo'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-')' CloseParen
| `-TrailingReturnType TrailingReturn
| |-'->' ArrowToken
| |-'auto'
| `-SimpleDeclarator Declarator
| |-ParenDeclarator
| | |-'(' OpenParen
| | |-'*'
| | `-')' CloseParen
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | `-'int'
| |-')' CloseParen
| `-TrailingReturnType TrailingReturn
| |-'->' ArrowToken
| |-'double'
| `-SimpleDeclarator Declarator
| `-'*'
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, MemberPointers) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {};
[[int X::* a;]]
[[const int X::* b;]]
)cpp",
{R"txt(
SimpleDeclaration
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-MemberPointer
| | |-'X'
| | |-'::'
| | `-'*'
| `-'a'
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'const'
|-'int'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-MemberPointer
| | |-'X'
| | |-'::'
| | `-'*'
| `-'b'
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, MemberFunctionPointer) {
if (!GetParam().isCXX()) {
return;
}
EXPECT_TRUE(treeDumpEqualOnAnnotations(
R"cpp(
struct X {
struct Y {};
};
[[void (X::*xp)();]]
[[void (X::**xpp)(const int*);]]
// FIXME: Generate the right syntax tree for this type,
// i.e. create a syntax node for the outer member pointer
[[void (X::Y::*xyp)(const int*, char);]]
)cpp",
{R"txt(
SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-ParenDeclarator
| | |-'(' OpenParen
| | |-MemberPointer
| | | |-'X'
| | | |-'::'
| | | `-'*'
| | |-'xp'
| | `-')' CloseParen
| `-ParametersAndQualifiers
| |-'(' OpenParen
| `-')' CloseParen
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-ParenDeclarator
| | |-'(' OpenParen
| | |-MemberPointer
| | | |-'X'
| | | |-'::'
| | | `-'*'
| | |-'*'
| | |-'xpp'
| | `-')' CloseParen
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | `-SimpleDeclaration ListElement
| | |-'const'
| | |-'int'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | `-'*'
| `-')' CloseParen
`-';'
)txt",
R"txt(
SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-ParenDeclarator
| | |-'(' OpenParen
| | |-'X'
| | |-'::'
| | |-MemberPointer
| | | |-'Y'
| | | |-'::'
| | | `-'*'
| | |-'xyp'
| | `-')' CloseParen
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | |-'const'
| | | |-'int'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'*'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | `-'char'
| `-')' CloseParen
`-';'
)txt"}));
}
TEST_P(BuildSyntaxTreeTest, ComplexDeclarator) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
void x(char a, short (*b)(int));
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'x'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | |-'char'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'a'
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | |-'short'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-ParenDeclarator
| | | |-'(' OpenParen
| | | |-'*'
| | | |-'b'
| | | `-')' CloseParen
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | |-ParameterDeclarationList Parameters
| | | `-SimpleDeclaration ListElement
| | | `-'int'
| | `-')' CloseParen
| `-')' CloseParen
`-';'
)txt"));
}
TEST_P(BuildSyntaxTreeTest, ComplexDeclarator2) {
EXPECT_TRUE(treeDumpEqual(
R"cpp(
void x(char a, short (*b)(int), long (**c)(long long));
)cpp",
R"txt(
TranslationUnit Detached
`-SimpleDeclaration
|-'void'
|-DeclaratorList Declarators
| `-SimpleDeclarator ListElement
| |-'x'
| `-ParametersAndQualifiers
| |-'(' OpenParen
| |-ParameterDeclarationList Parameters
| | |-SimpleDeclaration ListElement
| | | |-'char'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | `-'a'
| | |-',' ListDelimiter
| | |-SimpleDeclaration ListElement
| | | |-'short'
| | | `-DeclaratorList Declarators
| | | `-SimpleDeclarator ListElement
| | | |-ParenDeclarator
| | | | |-'(' OpenParen
| | | | |-'*'
| | | | |-'b'
| | | | `-')' CloseParen
| | | `-ParametersAndQualifiers
| | | |-'(' OpenParen
| | | |-ParameterDeclarationList Parameters
| | | | `-SimpleDeclaration ListElement
| | | | `-'int'
| | | `-')' CloseParen
| | |-',' ListDelimiter
| | `-SimpleDeclaration ListElement
| | |-'long'
| | `-DeclaratorList Declarators
| | `-SimpleDeclarator ListElement
| | |-ParenDeclarator
| | | |-'(' OpenParen
| | | |-'*'
| | | |-'*'
| | | |-'c'
| | | `-')' CloseParen
| | `-ParametersAndQualifiers
| | |-'(' OpenParen
| | |-ParameterDeclarationList Parameters
| | | `-SimpleDeclaration ListElement
| | | |-'long'
| | | `-'long'
| | `-')' CloseParen
| `-')' CloseParen
`-';'
)txt"));
}
} // namespace
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