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[ASTDump] Add a flag indicating whether a CXXThisExpr is implicit 

There is currently no way to distinguish implicit from explicit
CXXThisExpr in the AST dump output.

Differential Revision: https://reviews.llvm.org/D57649

Reviewed By: steveire

llvm-svn: 353003
This commit is contained in:
Bruno Ricci 2019-02-03 18:20:27 +00:00
parent f1314b6603
commit 64bebe980a
4 changed files with 6 additions and 4 deletions
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2
clang/lib/AST/TextNodeDumper.cpp
View File

@ -854,6 +854,8 @@ void TextNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *Node) {
}
void TextNodeDumper::VisitCXXThisExpr(const CXXThisExpr *Node) {
if (Node->isImplicit())
OS << " implicit";
OS << " this";
}

4
clang/test/AST/ast-dump-expr.cpp
View File

@ -255,7 +255,7 @@ void PrimaryExpressions(Ts... a) {
// CHECK-NEXT: FieldDecl 0x{{[^ ]*}} <col:8> col:8 implicit 'V *'
// CHECK-NEXT: CXXMethodDecl
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: CXXThisExpr 0x{{[^ ]*}} <col:8> 'V *' this
// CHECK-NEXT: CXXThisExpr 0x{{[^ ]*}} <col:8> 'V *' implicit this
[*this]{};
// CHECK: LambdaExpr 0x{{[^ ]*}} <line:[[@LINE-1]]:7, col:15>
@ -272,7 +272,7 @@ void PrimaryExpressions(Ts... a) {
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: ParenListExpr 0x{{[^ ]*}} <col:8> 'NULL TYPE'
// CHECK-NEXT: UnaryOperator 0x{{[^ ]*}} <col:8> '<dependent type>' prefix '*' cannot overflow
// CHECK-NEXT: CXXThisExpr 0x{{[^ ]*}} <col:8> 'V *' this
// CHECK-NEXT: CXXThisExpr 0x{{[^ ]*}} <col:8> 'V *' implicit this
}
};

2
clang/test/AST/dump.cpp
View File

@ -56,7 +56,7 @@ struct S {
// CHECK-NEXT: | | `-DeclRefExpr {{.+}} <col:48> 'int' lvalue OMPCapturedExpr {{.+}} 'a' 'int &'
// CHECK-NEXT: | |-OMPSharedClause {{.+}} <col:51, col:59>
// CHECK-NEXT: | | `-MemberExpr {{.+}} <col:58> 'int' lvalue ->b
// CHECK-NEXT: | | `-CXXThisExpr {{.+}} <col:58> 'S *' this
// CHECK-NEXT: | | `-CXXThisExpr {{.+}} <col:58> 'S *' implicit this
// CHECK-NEXT: | |-OMPScheduleClause {{.+}} <col:61, col:79>
// CHECK-NEXT: | | `-ImplicitCastExpr {{.+}} <col:78> 'int' <LValueToRValue>
// CHECK-NEXT: | | `-DeclRefExpr {{.+}} <col:78> 'int' lvalue OMPCapturedExpr {{.+}} '.capture_expr.' 'int'

2
clang/test/AST/float16.cpp
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@ -132,7 +132,7 @@ public:
//CHECK-NEXT: | | `-BinaryOperator {{.*}} '_Float16' '+'
//CHECK-NEXT: | | |-ImplicitCastExpr {{.*}} '_Float16' <LValueToRValue>
//CHECK-NEXT: | | | `-MemberExpr {{.*}} '_Float16' lvalue ->f1c 0x{{.*}}
//CHECK-NEXT: | | | `-CXXThisExpr {{.*}} 'C1 *' this
//CHECK-NEXT: | | | `-CXXThisExpr {{.*}} 'C1 *' implicit this
//CHECK-NEXT: | | `-ImplicitCastExpr {{.*}} '_Float16' <LValueToRValue>
//CHECK-NEXT: | | `-DeclRefExpr {{.*}} '_Float16' lvalue ParmVar 0x{{.*}} 'arg' '_Float16'
//CHECK-NEXT: | |-CXXMethodDecl {{.*}} used func2c '_Float16 (_Float16)' static