From 64c8a2e31235afacf90f8b8cb5e0f7c25eb2e6c2 Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron@aaronballman.com>
Date: Mon, 3 Dec 2018 18:00:31 +0000
Subject: [PATCH] Adding tests for -ast-dump; NFC.

This adds tests for struct and union declarations in C++.

llvm-svn: 348156
---
 clang/test/AST/ast-dump-records.cpp | 239 ++++++++++++++++++++++++++++
 1 file changed, 239 insertions(+)
 create mode 100644 clang/test/AST/ast-dump-records.cpp

diff --git a/clang/test/AST/ast-dump-records.cpp b/clang/test/AST/ast-dump-records.cpp
new file mode 100644
index 000000000000..347e1aec58df
--- /dev/null
+++ b/clang/test/AST/ast-dump-records.cpp
@@ -0,0 +1,239 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++17 -ast-dump %s | FileCheck -strict-whitespace %s
+
+struct A;
+// CHECK: CXXRecordDecl 0x{{[^ ]*}} <{{.*}}:1, col:8> col:8 struct A
+
+struct B;
+// CHECK: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, col:8> col:8 referenced struct B
+
+struct A {
+  // CHECK: CXXRecordDecl 0x{{[^ ]*}} prev 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+29]]:1> line:[[@LINE-1]]:8 struct A definition
+  // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+  // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+  // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+  // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+  // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+  // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <col:1, col:8> col:8 implicit struct A
+  int a;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:7> col:7 a 'int'
+  int b, c;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:7> col:7 b 'int'
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <col:3, col:10> col:10 c 'int'
+  int d : 12;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:11> col:7 d 'int'
+  // CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <col:11> 'int'
+  // CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:11> 'int' 12
+  int : 0;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:9> col:7 'int'
+  // CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <col:9> 'int'
+  // CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:9> 'int' 0
+  int e : 10;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:11> col:7 e 'int'
+  // CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <col:11> 'int'
+  // CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:11> 'int' 10
+  B *f;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:6> col:6 f 'B *'
+};
+
+struct C {
+  // CHECK: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+66]]:1> line:[[@LINE-1]]:8 struct C definition
+  // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal has_variant_members
+  // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+  // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+  // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+  // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+  // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <col:1, col:8> col:8 implicit struct C
+  struct {
+    // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, line:[[@LINE+10]]:3> line:[[@LINE-1]]:3 struct definition
+    // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+    // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+    // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+    // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+    // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+    int a;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:9> col:9 a 'int'
+  } b;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-12]]:3, line:[[@LINE-1]]:5> col:5 b 'struct (anonymous struct at {{.*}}:[[@LINE-12]]:3)':'C::(anonymous struct at {{.*}}:[[@LINE-12]]:3)'
+
+  union {
+    // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, line:[[@LINE+12]]:3> line:[[@LINE-1]]:3 union definition
+    // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+    // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+    // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+    // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+    // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+    int c;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:9> col:9 c 'int'
+    float d;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:11> col:11 d 'float'
+  };
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-14]]:3> col:3 implicit 'C::(anonymous union at {{.*}}:[[@LINE-14]]:3)'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <line:[[@LINE-6]]:9> col:9 implicit c 'int'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'C::(anonymous union at {{.*}}:[[@LINE-16]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'c' 'int'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <line:[[@LINE-7]]:11> col:11 implicit d 'float'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'C::(anonymous union at {{.*}}:[[@LINE-19]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'd' 'float'
+
+  struct {
+    // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, line:[[@LINE+11]]:3> line:[[@LINE-1]]:3 struct definition
+    // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+    // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+    // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+    // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+    // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+    int e, f;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:9> col:9 e 'int'
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <col:5, col:12> col:12 f 'int'
+  };
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-13]]:3> col:3 implicit 'C::(anonymous struct at {{.*}}:[[@LINE-13]]:3)'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <line:[[@LINE-5]]:9> col:9 implicit e 'int'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'C::(anonymous struct at {{.*}}:[[@LINE-15]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'e' 'int'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <col:12> col:12 implicit f 'int'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'C::(anonymous struct at {{.*}}:[[@LINE-18]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'f' 'int'
+};
+
+struct D {
+  // CHECK: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+16]]:1> line:[[@LINE-1]]:8 struct D definition
+  // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+  // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+  // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+  // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+  // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+  // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <col:1, col:8> col:8 implicit struct D
+  int a;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:7> col:7 a 'int'
+  int b[10];
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:11> col:7 b 'int [10]'
+  int c[];
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:9> col:7 c 'int []'
+};
+
+union E;
+// CHECK: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, col:7> col:7 union E
+
+union F;
+// CHECK: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, col:7> col:7 union F
+
+union E {
+  // CHECK: CXXRecordDecl 0x{{[^ ]*}} prev 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+29]]:1> line:[[@LINE-1]]:7 union E definition
+  // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+  // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+  // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+  // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+  // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+  // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <col:1, col:7> col:7 implicit union E
+  int a;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:7> col:7 a 'int'
+  int b, c;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:7> col:7 b 'int'
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <col:3, col:10> col:10 c 'int'
+  int d : 12;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:11> col:7 d 'int'
+  // CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <col:11> 'int'
+  // CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:11> 'int' 12
+  int : 0;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:9> col:7 'int'
+  // CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <col:9> 'int'
+  // CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:9> 'int' 0
+  int e : 10;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:11> col:7 e 'int'
+  // CHECK-NEXT: ConstantExpr 0x{{[^ ]*}} <col:11> 'int'
+  // CHECK-NEXT: IntegerLiteral 0x{{[^ ]*}} <col:11> 'int' 10
+  B *f;
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:6> col:6 f 'B *'
+};
+
+union G {
+  // CHECK: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+71]]:1> line:[[@LINE-1]]:7 union G definition
+  // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+  // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+  // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+  // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+  // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+  // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+  // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <col:1, col:7> col:7 implicit union G
+  struct {
+    // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, line:[[@LINE+11]]:3> line:[[@LINE-1]]:3 struct definition
+    // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+    // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+    // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+    // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+    // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+    int a;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:9> col:9 a 'int'
+  } b;
+  // FIXME: note that it talks about 'struct G' below; the same happens in
+  // other cases with union G as well.
+  // CHECK: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-15]]:3, line:[[@LINE-3]]:5> col:5 b 'struct (anonymous struct at {{.*}}:[[@LINE-15]]:3)':'G::(anonymous struct at {{.*}}:[[@LINE-15]]:3)'
+
+  union {
+    // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, line:[[@LINE+13]]:3> line:[[@LINE-1]]:3 union definition
+    // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+    // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+    // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+    // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+    // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+    int c;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:9> col:9 c 'int'
+    float d;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:11> col:11 d 'float'
+  };
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-15]]:3> col:3 implicit 'G::(anonymous union at {{.*}}:[[@LINE-15]]:3)'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <line:[[@LINE-6]]:9> col:9 implicit c 'int'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'G::(anonymous union at {{.*}}:[[@LINE-17]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'c' 'int'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <line:[[@LINE-7]]:11> col:11 implicit d 'float'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'G::(anonymous union at {{.*}}:[[@LINE-20]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'd' 'float'
+
+  struct {
+    // CHECK-NEXT: CXXRecordDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, line:[[@LINE+12]]:3> line:[[@LINE-1]]:3 struct definition
+    // CHECK-NEXT: DefinitionData pass_in_registers aggregate standard_layout trivially_copyable pod trivial literal
+    // CHECK-NEXT: DefaultConstructor exists trivial needs_implicit
+    // CHECK-NEXT: CopyConstructor simple trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveConstructor exists simple trivial needs_implicit
+    // CHECK-NEXT: CopyAssignment trivial has_const_param needs_implicit implicit_has_const_param
+    // CHECK-NEXT: MoveAssignment exists simple trivial needs_implicit
+    // CHECK-NEXT: Destructor simple irrelevant trivial needs_implicit
+
+    int e, f;
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:5, col:9> col:9 e 'int'
+    // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <col:5, col:12> col:12 f 'int'
+  };
+  // CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <line:[[@LINE-14]]:3> col:3 implicit 'G::(anonymous struct at {{.*}}:[[@LINE-14]]:3)'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <line:[[@LINE-5]]:9> col:9 implicit e 'int'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'G::(anonymous struct at {{.*}}:[[@LINE-16]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'e' 'int'
+  // CHECK-NEXT: IndirectFieldDecl 0x{{[^ ]*}} <col:12> col:12 implicit f 'int'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} '' 'G::(anonymous struct at {{.*}}:[[@LINE-19]]:3)'
+  // CHECK-NEXT: Field 0x{{[^ ]*}} 'f' 'int'
+};