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clang-p2996/clang/test/AST/ast-dump-stmt.cpp
Jessica Clarke f9ead46931 [AST] Only dump desugared type when visibly different (#65214) 
These are an artifact of how types are structured but serve little
purpose, merely showing that the type is sugared in some way. For
example, ElaboratedType's existence means struct S gets printed as
'struct S':'struct S' in the AST, which is unnecessary visual clutter.
Note that skipping the second print when the types have the same string
matches what we do for diagnostics, where the aka will be skipped.
2023-10-26 19:28:28 +01:00

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// Test without serialization:
// RUN: %clang_cc1 -std=c++23 -triple x86_64-linux-gnu -fcxx-exceptions -ast-dump %s \
// RUN: | FileCheck -strict-whitespace %s
//
// Test with serialization:
// RUN: %clang_cc1 -std=c++23 -triple x86_64-linux-gnu -fcxx-exceptions -emit-pch -o %t %s
// RUN: %clang_cc1 -x c++ -std=c++23 -triple x86_64-linux-gnu -fcxx-exceptions -include-pch %t -ast-dump-all /dev/null \
// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
// RUN: | FileCheck -strict-whitespace %s
namespace n {
void function() {}
int Variable;
}
using n::function;
using n::Variable;
void TestFunction() {
void (*f)() = &function;
// CHECK: DeclRefExpr{{.*}} (UsingShadow{{.*}}function
Variable = 4;
// CHECK: DeclRefExpr{{.*}} (UsingShadow{{.*}}Variable
}
// CHECK: FunctionDecl {{.*}} TestCatch1
void TestCatch1() {
// CHECK: CXXTryStmt
// CHECK-NEXT: CompoundStmt
try {
}
// CHECK-NEXT: CXXCatchStmt
// CHECK-NEXT: VarDecl {{.*}} x
// CHECK-NEXT: CompoundStmt
catch (int x) {
}
}
// CHECK: FunctionDecl {{.*}} TestCatch2
void TestCatch2() {
// CHECK: CXXTryStmt
// CHECK-NEXT: CompoundStmt
try {
}
// CHECK-NEXT: CXXCatchStmt
// CHECK-NEXT: NULL
// CHECK-NEXT: CompoundStmt
catch (...) {
}
}
void TestAllocationExprs() {
int *p;
p = new int;
delete p;
p = new int[2];
delete[] p;
p = ::new int;
::delete p;
}
// CHECK: FunctionDecl {{.*}} TestAllocationExprs
// CHECK: CXXNewExpr {{.*}} 'int *' Function {{.*}} 'operator new'
// CHECK: CXXDeleteExpr {{.*}} 'void' Function {{.*}} 'operator delete'
// CHECK: CXXNewExpr {{.*}} 'int *' array Function {{.*}} 'operator new[]'
// CHECK: CXXDeleteExpr {{.*}} 'void' array Function {{.*}} 'operator delete[]'
// CHECK: CXXNewExpr {{.*}} 'int *' global Function {{.*}} 'operator new'
// CHECK: CXXDeleteExpr {{.*}} 'void' global Function {{.*}} 'operator delete'
// Don't crash on dependent exprs that haven't been resolved yet.
template <typename T>
void TestDependentAllocationExpr() {
T *p = new T;
delete p;
}
// CHECK: FunctionTemplateDecl {{.*}} TestDependentAllocationExpr
// CHECK: CXXNewExpr {{.*'T \*'$}}
// CHECK: CXXDeleteExpr {{.*'void'$}}
template <typename T>
class DependentScopeMemberExprWrapper {
T member;
};
template <typename T>
void TestDependentScopeMemberExpr() {
DependentScopeMemberExprWrapper<T> obj;
obj.member = T();
(&obj)->member = T();
}
// CHECK: FunctionTemplateDecl {{.*}} TestDependentScopeMemberExpr
// CHECK: CXXDependentScopeMemberExpr {{.*}} lvalue .member
// CHECK: CXXDependentScopeMemberExpr {{.*}} lvalue ->member
union U {
int i;
long l;
};
void TestUnionInitList()
{
U us[3] = {1};
// CHECK: VarDecl {{.+}} <col:3, col:15> col:5 us 'U[3]' cinit
// CHECK-NEXT: `-InitListExpr {{.+}} <col:13, col:15> 'U[3]'
// CHECK-NEXT: |-array_filler: InitListExpr {{.+}} <col:15> 'U' field Field {{.+}} 'i' 'int'
// CHECK-NEXT: `-InitListExpr {{.+}} <col:14> 'U' field Field {{.+}} 'i' 'int'
// CHECK-NEXT: `-IntegerLiteral {{.+}} <col:14> 'int' 1
}
void TestSwitch(int i) {
switch (int a; i)
;
// CHECK: SwitchStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:5> has_init
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:11, col:15> col:15 a 'int'
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:18> 'int' lvalue ParmVar 0x{{[^ ]*}} 'i' 'int'
// CHECK-NEXT: NullStmt
}
void TestIf(bool b) {
if (int i = 12; b)
;
// CHECK: IfStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:5> has_init
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:7, col:15> col:11 i 'int' cinit
// CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:15> 'int' 12
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:19> 'bool' lvalue ParmVar 0x{{[^ ]*}} 'b' 'bool'
// CHECK-NEXT: NullStmt
if constexpr (sizeof(b) == 1)
;
// CHECK: IfStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:5>
// CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <line:[[@LINE-3]]:17, col:30> 'bool'
// CHECK-NEXT: value: Int 1
// CHECK-NEXT: BinaryOperator
// CHECK-NEXT: UnaryExprOrTypeTraitExpr
// CHECK-NEXT: ParenExpr
// CHECK-NEXT: DeclRefExpr
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: IntegerLiteral
// CHECK-NEXT: NullStmt
if constexpr (sizeof(b) == 1)
;
else
;
// CHECK: IfStmt 0x{{[^ ]*}} <line:[[@LINE-4]]:3, line:[[@LINE-1]]:5> has_else
// CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <line:[[@LINE-5]]:17, col:30> 'bool'
// CHECK-NEXT: value: Int 1
// CHECK-NEXT: BinaryOperator
// CHECK-NEXT: UnaryExprOrTypeTraitExpr
// CHECK-NEXT: ParenExpr
// CHECK-NEXT: DeclRefExpr
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: IntegerLiteral
// CHECK-NEXT: NullStmt
// CHECK-NEXT: NullStmt
if consteval {}
// CHECK: IfStmt 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:17> consteval
// CHECK-NEXT: CompoundStmt
if ! consteval {}
else {}
// CHECK: IfStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:9> has_else !consteval
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: CompoundStmt
}
struct Container {
int *begin() const;
int *end() const;
};
void TestIteration() {
for (int i = 0; int j = i; ++i)
;
// CHECK: ForStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:5>
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:8, col:16> col:12 used i 'int' cinit
// CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:16> 'int' 0
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:19, col:27> col:23 used j 'int' cinit
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:27> 'int' lvalue Var 0x{{[^ ]*}} 'i' 'int'
// CHECK-NEXT: ImplicitCastExpr 0x{{[^ ]*}} <col:23> 'bool' <IntegralToBoolean>
// CHECK-NEXT: ImplicitCastExpr 0x{{[^ ]*}} <col:23> 'int' <LValueToRValue>
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:23> 'int' lvalue Var 0x{{[^ ]*}} 'j' 'int'
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:30, col:32> 'int' lvalue prefix '++'
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:32> 'int' lvalue Var 0x{{[^ ]*}} 'i' 'int'
// CHECK-NEXT: NullStmt
int vals[10];
for (int v : vals)
;
// CHECK: CXXForRangeStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:5>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:16> col:16 implicit used __range1 'int (&)[10]' cinit
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:16> 'int[10]' lvalue Var 0x{{[^ ]*}} 'vals' 'int[10]'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:14> col:14 implicit used __begin1 'int *' cinit
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int[10]' lvalue Var 0x{{[^ ]*}} '__range1' 'int (&)[10]'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:14, col:16> col:14 implicit used __end1 'int *' cinit
// CHECK-NEXT: BinaryOperator 0x{{[^ ]*}} <col:14, col:16> 'int *' '+'
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int[10]' lvalue Var 0x{{[^ ]*}} '__range1' 'int (&)[10]'
// CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:16> 'long' 10
// CHECK-NEXT: BinaryOperator 0x{{[^ ]*}} <col:14> 'bool' '!='
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__end1' 'int *'
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:14> 'int *' lvalue prefix '++'
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:8, col:14> col:12 v 'int' cinit
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:14> 'int' lvalue prefix '*' cannot overflow
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: NullStmt
Container C;
for (int v : C)
;
// CHECK: CXXForRangeStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:5>
// CHECK-NEXT: <<<NULL>>>
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:16> col:16 implicit used __range1 'Container &' cinit
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:16> 'Container' lvalue Var 0x{{[^ ]*}} 'C' 'Container'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:14> col:14 implicit used __begin1 'int *' cinit
// CHECK-NEXT: CXXMemberCallExpr 0x{{[^ ]*}} <col:14> 'int *'
// CHECK-NEXT: MemberExpr 0x{{[^ ]*}} <col:14> '<bound member function type>' .begin 0x{{[^ ]*}}
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'Container' lvalue Var 0x{{[^ ]*}} '__range1' 'Container &'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:14> col:14 implicit used __end1 'int *' cinit
// CHECK-NEXT: CXXMemberCallExpr 0x{{[^ ]*}} <col:14> 'int *'
// CHECK-NEXT: MemberExpr 0x{{[^ ]*}} <col:14> '<bound member function type>' .end 0x{{[^ ]*}}
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'Container' lvalue Var 0x{{[^ ]*}} '__range1' 'Container &'
// CHECK-NEXT: BinaryOperator 0x{{[^ ]*}} <col:14> 'bool' '!='
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__end1' 'int *'
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:14> 'int *' lvalue prefix '++'
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:8, col:14> col:12 v 'int' cinit
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:14> 'int' lvalue prefix '*' cannot overflow
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:14> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: NullStmt
for (int a; int v : vals)
;
// CHECK: CXXForRangeStmt 0x{{[^ ]*}} <line:[[@LINE-2]]:3, line:[[@LINE-1]]:5>
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:8, col:12> col:12 a 'int'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:23> col:23 implicit used __range1 'int (&)[10]' cinit
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:23> 'int[10]' lvalue Var 0x{{[^ ]*}} 'vals' 'int[10]'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:21> col:21 implicit used __begin1 'int *' cinit
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:21> 'int[10]' lvalue Var 0x{{[^ ]*}} '__range1' 'int (&)[10]'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:21, col:23> col:21 implicit used __end1 'int *' cinit
// CHECK-NEXT: BinaryOperator 0x{{[^ ]*}} <col:21, col:23> 'int *' '+'
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:21> 'int[10]' lvalue Var 0x{{[^ ]*}} '__range1' 'int (&)[10]'
// CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:23> 'long' 10
// CHECK-NEXT: BinaryOperator 0x{{[^ ]*}} <col:21> 'bool' '!='
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:21> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:21> 'int *' lvalue Var 0x{{[^ ]*}} '__end1' 'int *'
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:21> 'int *' lvalue prefix '++'
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:21> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: DeclStmt
// CHECK-NEXT: VarDecl 0x{{[^ ]*}} <col:15, col:21> col:19 v 'int' cinit
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:21> 'int' lvalue prefix '*' cannot overflow
// CHECK-NEXT: ImplicitCastExpr
// CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:21> 'int *' lvalue Var 0x{{[^ ]*}} '__begin1' 'int *'
// CHECK-NEXT: NullStmt
}
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