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808142876c
Summary: A *.cpp file header in LLDB (and in LLDB) should like this: ``` //===-- TestUtilities.cpp -------------------------------------------------===// ``` However in LLDB most of our source files have arbitrary changes to this format and these changes are spreading through LLDB as folks usually just use the existing source files as templates for their new files (most notably the unnecessary editor language indicator `-*- C++ -*-` is spreading and in every review someone is pointing out that this is wrong, resulting in people pointing out that this is done in the same way in other files). This patch removes most of these inconsistencies including the editor language indicators, all the different missing/additional '-' characters, files that center the file name, missing trailing `===//` (mostly caused by clang-format breaking the line). Reviewers: aprantl, espindola, jfb, shafik, JDevlieghere Reviewed By: JDevlieghere Subscribers: dexonsmith, wuzish, emaste, sdardis, nemanjai, kbarton, MaskRay, atanasyan, arphaman, jfb, abidh, jsji, JDevlieghere, usaxena95, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D73258
140 lines
5.0 KiB
C++
140 lines
5.0 KiB
C++
//===-- RichManglingContextTest.cpp ---------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/RichManglingContext.h"
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#include "lldb/Utility/ConstString.h"
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#include "gtest/gtest.h"
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using namespace lldb;
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using namespace lldb_private;
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TEST(RichManglingContextTest, Basic) {
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RichManglingContext RMC;
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ConstString mangled("_ZN3foo3barEv");
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EXPECT_TRUE(RMC.FromItaniumName(mangled));
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EXPECT_TRUE(RMC.IsFunction());
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EXPECT_FALSE(RMC.IsCtorOrDtor());
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RMC.ParseFunctionDeclContextName();
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EXPECT_EQ("foo", RMC.GetBufferRef());
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RMC.ParseFunctionBaseName();
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EXPECT_EQ("bar", RMC.GetBufferRef());
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RMC.ParseFullName();
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EXPECT_EQ("foo::bar()", RMC.GetBufferRef());
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}
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TEST(RichManglingContextTest, FromCxxMethodName) {
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RichManglingContext ItaniumRMC;
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ConstString mangled("_ZN3foo3barEv");
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EXPECT_TRUE(ItaniumRMC.FromItaniumName(mangled));
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RichManglingContext CxxMethodRMC;
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ConstString demangled("foo::bar()");
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EXPECT_TRUE(CxxMethodRMC.FromCxxMethodName(demangled));
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EXPECT_TRUE(ItaniumRMC.IsFunction() == CxxMethodRMC.IsFunction());
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EXPECT_TRUE(ItaniumRMC.IsCtorOrDtor() == CxxMethodRMC.IsCtorOrDtor());
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ItaniumRMC.ParseFunctionDeclContextName();
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CxxMethodRMC.ParseFunctionDeclContextName();
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EXPECT_TRUE(ItaniumRMC.GetBufferRef() == CxxMethodRMC.GetBufferRef());
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ItaniumRMC.ParseFunctionBaseName();
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CxxMethodRMC.ParseFunctionBaseName();
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EXPECT_TRUE(ItaniumRMC.GetBufferRef() == CxxMethodRMC.GetBufferRef());
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ItaniumRMC.ParseFullName();
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CxxMethodRMC.ParseFullName();
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EXPECT_TRUE(ItaniumRMC.GetBufferRef() == CxxMethodRMC.GetBufferRef());
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// Construct with a random name.
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{
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RichManglingContext CxxMethodRMC;
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EXPECT_TRUE(CxxMethodRMC.FromCxxMethodName(ConstString("X")));
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// We expect it is not a function.
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EXPECT_FALSE(CxxMethodRMC.IsFunction());
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}
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// Construct with a function without a context.
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{
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RichManglingContext CxxMethodRMC;
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EXPECT_TRUE(CxxMethodRMC.FromCxxMethodName(
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ConstString("void * operator new(unsigned __int64)")));
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// We expect it is a function.
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EXPECT_TRUE(CxxMethodRMC.IsFunction());
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// We expect its context is empty.
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CxxMethodRMC.ParseFunctionDeclContextName();
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EXPECT_TRUE(CxxMethodRMC.GetBufferRef().empty());
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}
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}
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TEST(RichManglingContextTest, SwitchProvider) {
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RichManglingContext RMC;
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llvm::StringRef mangled = "_ZN3foo3barEv";
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llvm::StringRef demangled = "foo::bar()";
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EXPECT_TRUE(RMC.FromItaniumName(ConstString(mangled)));
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RMC.ParseFullName();
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EXPECT_EQ("foo::bar()", RMC.GetBufferRef());
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EXPECT_TRUE(RMC.FromCxxMethodName(ConstString(demangled)));
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RMC.ParseFullName();
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EXPECT_EQ("foo::bar()", RMC.GetBufferRef());
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EXPECT_TRUE(RMC.FromItaniumName(ConstString(mangled)));
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RMC.ParseFullName();
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EXPECT_EQ("foo::bar()", RMC.GetBufferRef());
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}
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TEST(RichManglingContextTest, IPDRealloc) {
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// The demangled name should fit into the Itanium default buffer.
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const char *ShortMangled = "_ZN3foo3barEv";
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// The demangled name for this will certainly not fit into the default buffer.
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const char *LongMangled =
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"_ZNK3shk6detail17CallbackPublisherIZNS_5ThrowERKNSt15__exception_"
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"ptr13exception_ptrEEUlOT_E_E9SubscribeINS0_9ConcatMapINS0_"
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"18CallbackSubscriberIZNS_6GetAllIiNS1_IZZNS_9ConcatMapIZNS_6ConcatIJNS1_"
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"IZZNS_3MapIZZNS_7IfEmptyIS9_EEDaS7_ENKUlS6_E_clINS1_IZZNS_4TakeIiEESI_"
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"S7_ENKUlS6_E_clINS1_IZZNS_6FilterIZNS_9ElementAtEmEUlS7_E_EESI_S7_"
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"ENKUlS6_E_clINS1_IZZNSL_ImEESI_S7_ENKUlS6_E_clINS1_IZNS_4FromINS0_"
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"22InfiniteRangeContainerIiEEEESI_S7_EUlS7_E_EEEESI_S6_EUlS7_E_EEEESI_S6_"
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"EUlS7_E_EEEESI_S6_EUlS7_E_EEEESI_S6_EUlS7_E_EESI_S7_ENKUlS6_E_clIS14_"
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"EESI_S6_EUlS7_E_EERNS1_IZZNSH_IS9_EESI_S7_ENKSK_IS14_EESI_S6_EUlS7_E0_"
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"EEEEESI_DpOT_EUlS7_E_EESI_S7_ENKUlS6_E_clINS1_IZNS_5StartIJZNS_"
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"4JustIJS19_S1C_EEESI_S1F_EUlvE_ZNS1K_IJS19_S1C_EEESI_S1F_EUlvE0_EEESI_"
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"S1F_EUlS7_E_EEEESI_S6_EUlS7_E_EEEESt6vectorIS6_SaIS6_EERKT0_NS_"
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"12ElementCountEbEUlS7_E_ZNSD_IiS1Q_EES1T_S1W_S1X_bEUlOS3_E_ZNSD_IiS1Q_"
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"EES1T_S1W_S1X_bEUlvE_EES1G_S1O_E25ConcatMapValuesSubscriberEEEDaS7_";
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RichManglingContext RMC;
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// Demangle the short one.
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EXPECT_TRUE(RMC.FromItaniumName(ConstString(ShortMangled)));
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RMC.ParseFullName();
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const char *ShortDemangled = RMC.GetBufferRef().data();
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// Demangle the long one.
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EXPECT_TRUE(RMC.FromItaniumName(ConstString(LongMangled)));
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RMC.ParseFullName();
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const char *LongDemangled = RMC.GetBufferRef().data();
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// Make sure a new buffer was allocated or the default buffer was extended.
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bool AllocatedNewBuffer = (ShortDemangled != LongDemangled);
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bool ExtendedExistingBuffer = (strlen(LongDemangled) > 2048);
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EXPECT_TRUE(AllocatedNewBuffer || ExtendedExistingBuffer);
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}
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