[PATCH] D28109: Allow setting multiple debug types

Eugene Leviant via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 26 07:12:38 PST 2016


evgeny777 updated this revision to Diff 82503.
evgeny777 added a comment.
Herald added a subscriber: mgorny.

Added unit test. Thanks for a hint!


Repository:
  rL LLVM

https://reviews.llvm.org/D28109

Files:
  include/llvm/Support/Debug.h
  lib/Support/Debug.cpp
  unittests/Support/CMakeLists.txt
  unittests/Support/DebugTest.cpp


Index: unittests/Support/DebugTest.cpp
===================================================================
--- unittests/Support/DebugTest.cpp
+++ unittests/Support/DebugTest.cpp
@@ -0,0 +1,32 @@
+//===- llvm/unittest/Support/DebugTest.cpp --------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
+#include "gtest/gtest.h"
+
+#include <string>
+using namespace llvm;
+
+TEST(DebugTest, Basic) {
+  std::string s1, s2;
+  raw_string_ostream os1(s1), os2(s2);
+  static const char *DT[] = {"A", "B"};  
+  
+  llvm::DebugFlag = true;
+  setCurrentDebugTypes(DT, 2);
+  DEBUG_WITH_TYPE("A", os1 << "A");
+  DEBUG_WITH_TYPE("B", os1 << "B");
+  EXPECT_EQ("AB", os1.str());
+
+  setCurrentDebugType("A");
+  DEBUG_WITH_TYPE("A", os2 << "A");
+  DEBUG_WITH_TYPE("B", os2 << "B");
+  EXPECT_EQ("A", os2.str());
+}
Index: unittests/Support/CMakeLists.txt
===================================================================
--- unittests/Support/CMakeLists.txt
+++ unittests/Support/CMakeLists.txt
@@ -14,6 +14,7 @@
   CompressionTest.cpp
   ConvertUTFTest.cpp
   DataExtractorTest.cpp
+  DebugTest.cpp
   DwarfTest.cpp
   EndianStreamTest.cpp
   EndianTest.cpp
Index: lib/Support/Debug.cpp
===================================================================
--- lib/Support/Debug.cpp
+++ lib/Support/Debug.cpp
@@ -63,10 +63,14 @@
 /// debug output to be produced.
 ///
 void setCurrentDebugType(const char *Type) {
-  CurrentDebugType->clear();
-  CurrentDebugType->push_back(Type);
+  setCurrentDebugTypes(&Type, 1);
 }
 
+void setCurrentDebugTypes(const char **Types, unsigned Count) {
+  CurrentDebugType->clear();
+  for (size_t T = 0; T < Count; ++T)
+    CurrentDebugType->push_back(Types[T]);
+}
 } // namespace llvm
 
 // All Debug.h functionality is a no-op in NDEBUG mode.
Index: include/llvm/Support/Debug.h
===================================================================
--- include/llvm/Support/Debug.h
+++ include/llvm/Support/Debug.h
@@ -51,6 +51,12 @@
 ///
 void setCurrentDebugType(const char *Type);
 
+/// setCurrentDebugTypes - Set the current debug type, as if the
+/// -debug-only=X,Y,Z option were specified. Note that DebugFlag
+/// also needs to be set to true for debug output to be produced.
+///
+void setCurrentDebugTypes(const char **Types, unsigned Count);
+
 /// DEBUG_WITH_TYPE macro - This macro should be used by passes to emit debug
 /// information.  In the '-debug' option is specified on the commandline, and if
 /// this is a debug build, then the code specified as the option to the macro
@@ -67,6 +73,7 @@
 #else
 #define isCurrentDebugType(X) (false)
 #define setCurrentDebugType(X)
+#define setCurrentDebugTypes(X, N)
 #define DEBUG_WITH_TYPE(TYPE, X) do { } while (false)
 #endif
 


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