[PATCH] D61556: [clang] fixing -ast-print for variadic parameter pack in lambda capture

Nicolas Lesser via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Sun May 5 05:34:01 PDT 2019


This revision was automatically updated to reflect the committed changes.
Closed by commit rC359980: [clang] fixing -ast-print for variadic parameter pack in lambda capture (authored by Rakete1111, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D61556?vs=198155&id=198172#toc

Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61556/new/

https://reviews.llvm.org/D61556

Files:
  lib/AST/StmtPrinter.cpp
  test/AST/ast-printer-lambda.cpp


Index: lib/AST/StmtPrinter.cpp
===================================================================
--- lib/AST/StmtPrinter.cpp
+++ lib/AST/StmtPrinter.cpp
@@ -1895,6 +1895,9 @@
       llvm_unreachable("VLA type in explicit captures.");
     }
 
+    if (C->isPackExpansion())
+      OS << "...";
+
     if (Node->isInitCapture(C))
       PrintExpr(C->getCapturedVar()->getInit());
   }
Index: test/AST/ast-printer-lambda.cpp
===================================================================
--- test/AST/ast-printer-lambda.cpp
+++ test/AST/ast-printer-lambda.cpp
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -ast-print -std=c++17 %s | FileCheck %s
+
+struct S {
+template<typename ... T>
+void test1(int i, T... t) {
+{
+  auto lambda = [i]{};
+  //CHECK: [i] {
+}
+{
+  auto lambda = [=]{};
+  //CHECK: [=] {
+}
+{
+  auto lambda = [&]{};
+  //CHECK: [&] {
+}
+{
+  auto lambda = [t..., i]{};
+  //CHECK: [t..., i] {
+}
+{
+  auto lambda = [&t...]{};
+  //CHECK: [&t...] {
+}
+{
+  auto lambda = [this, &t...]{};
+  //CHECK: [this, &t...] {
+}
+{
+  auto lambda = [t..., this]{};
+  //CHECK: [t..., this] {
+}
+}
+
+};
\ No newline at end of file


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