402 lines
16 KiB
C++
402 lines
16 KiB
C++
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//===- unittests/Support/BitstreamRemarksParsingTest.cpp - Parsing tests --===//
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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 "llvm-c/Remarks.h"
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#include "llvm/Remarks/Remark.h"
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#include "llvm/Remarks/RemarkParser.h"
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#include "llvm/Remarks/RemarkSerializer.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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template <size_t N> void parseGood(const char (&Buf)[N]) {
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// 1. Parse the YAML remark -> FromYAMLRemark
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// 2. Serialize it to bitstream -> BSStream
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// 3. Parse it back -> FromBSRemark
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// 4. Compare the remark objects
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//
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// This testing methodology has the drawback of relying on both the YAML
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// remark parser and the bitstream remark serializer. It does simplify
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// testing a lot, since working directly with bitstream is not that easy.
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// 1.
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Expected<std::unique_ptr<remarks::RemarkParser>> MaybeParser =
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remarks::createRemarkParser(remarks::Format::YAML, {Buf, N - 1});
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EXPECT_FALSE(errorToBool(MaybeParser.takeError()));
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EXPECT_TRUE(*MaybeParser != nullptr);
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std::unique_ptr<remarks::Remark> FromYAMLRemark = nullptr;
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remarks::RemarkParser &Parser = **MaybeParser;
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Expected<std::unique_ptr<remarks::Remark>> Remark = Parser.next();
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EXPECT_FALSE(errorToBool(Remark.takeError())); // Check for parsing errors.
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EXPECT_TRUE(*Remark != nullptr); // At least one remark.
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// Keep the previous remark around.
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FromYAMLRemark = std::move(*Remark);
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Remark = Parser.next();
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Error E = Remark.takeError();
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EXPECT_TRUE(E.isA<remarks::EndOfFileError>());
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EXPECT_TRUE(errorToBool(std::move(E))); // Check for parsing errors.
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// 2.
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remarks::StringTable BSStrTab;
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BSStrTab.internalize(*FromYAMLRemark);
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std::string BSBuf;
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raw_string_ostream BSStream(BSBuf);
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Expected<std::unique_ptr<remarks::RemarkSerializer>> BSSerializer =
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remarks::createRemarkSerializer(remarks::Format::Bitstream,
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remarks::SerializerMode::Standalone,
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BSStream, std::move(BSStrTab));
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EXPECT_FALSE(errorToBool(BSSerializer.takeError()));
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(*BSSerializer)->emit(*FromYAMLRemark);
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// 3.
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Expected<std::unique_ptr<remarks::RemarkParser>> MaybeBSParser =
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remarks::createRemarkParser(remarks::Format::Bitstream, BSStream.str());
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EXPECT_FALSE(errorToBool(MaybeBSParser.takeError()));
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EXPECT_TRUE(*MaybeBSParser != nullptr);
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std::unique_ptr<remarks::Remark> FromBSRemark = nullptr;
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remarks::RemarkParser &BSParser = **MaybeBSParser;
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Expected<std::unique_ptr<remarks::Remark>> BSRemark = BSParser.next();
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EXPECT_FALSE(errorToBool(BSRemark.takeError())); // Check for parsing errors.
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EXPECT_TRUE(*BSRemark != nullptr); // At least one remark.
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// Keep the previous remark around.
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FromBSRemark = std::move(*BSRemark);
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BSRemark = BSParser.next();
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Error BSE = BSRemark.takeError();
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EXPECT_TRUE(BSE.isA<remarks::EndOfFileError>());
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EXPECT_TRUE(errorToBool(std::move(BSE))); // Check for parsing errors.
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EXPECT_EQ(*FromYAMLRemark, *FromBSRemark);
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}
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TEST(BitstreamRemarks, ParsingGood) {
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parseGood("\n"
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"--- !Missed\n"
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"Pass: inline\n"
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"Name: NoDefinition\n"
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"DebugLoc: { File: file.c, Line: 3, Column: 12 }\n"
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"Function: foo\n"
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"Args:\n"
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" - Callee: bar\n"
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" - String: ' will not be inlined into '\n"
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" - Caller: foo\n"
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" DebugLoc: { File: file.c, Line: 2, Column: 0 }\n"
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" - String: ' because its definition is unavailable'\n"
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"");
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// No debug loc should also pass.
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parseGood("\n"
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"--- !Missed\n"
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"Pass: inline\n"
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"Name: NoDefinition\n"
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"Function: foo\n"
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"Args:\n"
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" - Callee: bar\n"
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" - String: ' will not be inlined into '\n"
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" - Caller: foo\n"
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" DebugLoc: { File: file.c, Line: 2, Column: 0 }\n"
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" - String: ' because its definition is unavailable'\n"
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"");
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// No args is also ok.
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parseGood("\n"
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"--- !Missed\n"
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"Pass: inline\n"
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"Name: NoDefinition\n"
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"DebugLoc: { File: file.c, Line: 3, Column: 12 }\n"
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"Function: foo\n"
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"");
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}
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// Mandatory common part of a remark.
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#define COMMON_REMARK "\nPass: inline\nName: NoDefinition\nFunction: foo\n\n"
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// Test all the types.
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TEST(BitstreamRemarks, ParsingTypes) {
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// Type: Passed
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parseGood("--- !Passed" COMMON_REMARK);
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// Type: Missed
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parseGood("--- !Missed" COMMON_REMARK);
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// Type: Analysis
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parseGood("--- !Analysis" COMMON_REMARK);
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// Type: AnalysisFPCommute
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parseGood("--- !AnalysisFPCommute" COMMON_REMARK);
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// Type: AnalysisAliasing
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parseGood("--- !AnalysisAliasing" COMMON_REMARK);
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// Type: Failure
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parseGood("--- !Failure" COMMON_REMARK);
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}
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#undef COMMON_REMARK
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static inline StringRef checkStr(StringRef Str, unsigned ExpectedLen) {
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const char *StrData = Str.data();
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unsigned StrLen = Str.size();
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EXPECT_EQ(StrLen, ExpectedLen);
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return StringRef(StrData, StrLen);
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}
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TEST(BitstreamRemarks, Contents) {
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StringRef Buf = "\n"
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"--- !Missed\n"
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"Pass: inline\n"
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"Name: NoDefinition\n"
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"DebugLoc: { File: file.c, Line: 3, Column: 12 }\n"
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"Function: foo\n"
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"Hotness: 4\n"
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"Args:\n"
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" - Callee: bar\n"
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" - String: ' will not be inlined into '\n"
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" - Caller: foo\n"
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" DebugLoc: { File: file.c, Line: 2, Column: 0 }\n"
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" - String: ' because its definition is unavailable'\n"
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"\n";
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Expected<std::unique_ptr<remarks::RemarkParser>> MaybeParser =
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remarks::createRemarkParser(remarks::Format::YAML, Buf);
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EXPECT_FALSE(errorToBool(MaybeParser.takeError()));
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EXPECT_TRUE(*MaybeParser != nullptr);
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remarks::RemarkParser &Parser = **MaybeParser;
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Expected<std::unique_ptr<remarks::Remark>> MaybeRemark = Parser.next();
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EXPECT_FALSE(
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errorToBool(MaybeRemark.takeError())); // Check for parsing errors.
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EXPECT_TRUE(*MaybeRemark != nullptr); // At least one remark.
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const remarks::Remark &Remark = **MaybeRemark;
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EXPECT_EQ(Remark.RemarkType, remarks::Type::Missed);
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EXPECT_EQ(checkStr(Remark.PassName, 6), "inline");
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EXPECT_EQ(checkStr(Remark.RemarkName, 12), "NoDefinition");
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EXPECT_EQ(checkStr(Remark.FunctionName, 3), "foo");
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EXPECT_TRUE(Remark.Loc);
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const remarks::RemarkLocation &RL = *Remark.Loc;
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EXPECT_EQ(checkStr(RL.SourceFilePath, 6), "file.c");
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EXPECT_EQ(RL.SourceLine, 3U);
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EXPECT_EQ(RL.SourceColumn, 12U);
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EXPECT_TRUE(Remark.Hotness);
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EXPECT_EQ(*Remark.Hotness, 4U);
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EXPECT_EQ(Remark.Args.size(), 4U);
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unsigned ArgID = 0;
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for (const remarks::Argument &Arg : Remark.Args) {
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switch (ArgID) {
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case 0:
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EXPECT_EQ(checkStr(Arg.Key, 6), "Callee");
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EXPECT_EQ(checkStr(Arg.Val, 3), "bar");
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EXPECT_FALSE(Arg.Loc);
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break;
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case 1:
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EXPECT_EQ(checkStr(Arg.Key, 6), "String");
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EXPECT_EQ(checkStr(Arg.Val, 26), " will not be inlined into ");
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EXPECT_FALSE(Arg.Loc);
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break;
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case 2: {
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EXPECT_EQ(checkStr(Arg.Key, 6), "Caller");
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EXPECT_EQ(checkStr(Arg.Val, 3), "foo");
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EXPECT_TRUE(Arg.Loc);
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const remarks::RemarkLocation &RL = *Arg.Loc;
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EXPECT_EQ(checkStr(RL.SourceFilePath, 6), "file.c");
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EXPECT_EQ(RL.SourceLine, 2U);
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EXPECT_EQ(RL.SourceColumn, 0U);
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break;
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}
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case 3:
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EXPECT_EQ(checkStr(Arg.Key, 6), "String");
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EXPECT_EQ(checkStr(Arg.Val, 38),
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" because its definition is unavailable");
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EXPECT_FALSE(Arg.Loc);
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break;
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default:
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break;
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}
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++ArgID;
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}
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MaybeRemark = Parser.next();
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Error E = MaybeRemark.takeError();
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EXPECT_TRUE(E.isA<remarks::EndOfFileError>());
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EXPECT_TRUE(errorToBool(std::move(E))); // Check for parsing errors.
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}
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static inline StringRef checkStr(LLVMRemarkStringRef Str,
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unsigned ExpectedLen) {
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const char *StrData = LLVMRemarkStringGetData(Str);
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unsigned StrLen = LLVMRemarkStringGetLen(Str);
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EXPECT_EQ(StrLen, ExpectedLen);
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return StringRef(StrData, StrLen);
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}
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TEST(BitstreamRemarks, ContentsCAPI) {
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remarks::StringTable BSStrTab;
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remarks::Remark ToSerializeRemark;
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ToSerializeRemark.RemarkType = remarks::Type::Missed;
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ToSerializeRemark.PassName = "inline";
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ToSerializeRemark.RemarkName = "NoDefinition";
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ToSerializeRemark.FunctionName = "foo";
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ToSerializeRemark.Loc = remarks::RemarkLocation{"file.c", 3, 12};
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ToSerializeRemark.Hotness = 0;
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ToSerializeRemark.Args.emplace_back();
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ToSerializeRemark.Args.back().Key = "Callee";
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ToSerializeRemark.Args.back().Val = "bar";
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ToSerializeRemark.Args.emplace_back();
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ToSerializeRemark.Args.back().Key = "String";
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ToSerializeRemark.Args.back().Val = " will not be inlined into ";
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ToSerializeRemark.Args.emplace_back();
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ToSerializeRemark.Args.back().Key = "Caller";
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ToSerializeRemark.Args.back().Val = "foo";
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ToSerializeRemark.Args.back().Loc = remarks::RemarkLocation{"file.c", 2, 0};
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ToSerializeRemark.Args.emplace_back();
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ToSerializeRemark.Args.back().Key = "String";
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ToSerializeRemark.Args.back().Val = " because its definition is unavailable";
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BSStrTab.internalize(ToSerializeRemark);
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std::string BSBuf;
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raw_string_ostream BSStream(BSBuf);
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Expected<std::unique_ptr<remarks::RemarkSerializer>> BSSerializer =
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remarks::createRemarkSerializer(remarks::Format::Bitstream,
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remarks::SerializerMode::Standalone,
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BSStream, std::move(BSStrTab));
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EXPECT_FALSE(errorToBool(BSSerializer.takeError()));
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(*BSSerializer)->emit(ToSerializeRemark);
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StringRef Buf = BSStream.str();
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LLVMRemarkParserRef Parser =
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LLVMRemarkParserCreateBitstream(Buf.data(), Buf.size());
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LLVMRemarkEntryRef Remark = LLVMRemarkParserGetNext(Parser);
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EXPECT_FALSE(Remark == nullptr);
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EXPECT_EQ(LLVMRemarkEntryGetType(Remark), LLVMRemarkTypeMissed);
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EXPECT_EQ(checkStr(LLVMRemarkEntryGetPassName(Remark), 6), "inline");
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EXPECT_EQ(checkStr(LLVMRemarkEntryGetRemarkName(Remark), 12), "NoDefinition");
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EXPECT_EQ(checkStr(LLVMRemarkEntryGetFunctionName(Remark), 3), "foo");
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LLVMRemarkDebugLocRef DL = LLVMRemarkEntryGetDebugLoc(Remark);
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EXPECT_EQ(checkStr(LLVMRemarkDebugLocGetSourceFilePath(DL), 6), "file.c");
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EXPECT_EQ(LLVMRemarkDebugLocGetSourceLine(DL), 3U);
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EXPECT_EQ(LLVMRemarkDebugLocGetSourceColumn(DL), 12U);
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EXPECT_EQ(LLVMRemarkEntryGetHotness(Remark), 0U);
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EXPECT_EQ(LLVMRemarkEntryGetNumArgs(Remark), 4U);
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unsigned ArgID = 0;
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LLVMRemarkArgRef Arg = LLVMRemarkEntryGetFirstArg(Remark);
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do {
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switch (ArgID) {
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case 0:
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EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "Callee");
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EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 3), "bar");
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EXPECT_EQ(LLVMRemarkArgGetDebugLoc(Arg), nullptr);
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break;
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case 1:
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EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "String");
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EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 26),
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" will not be inlined into ");
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EXPECT_EQ(LLVMRemarkArgGetDebugLoc(Arg), nullptr);
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break;
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case 2: {
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EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "Caller");
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EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 3), "foo");
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LLVMRemarkDebugLocRef DL = LLVMRemarkArgGetDebugLoc(Arg);
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EXPECT_EQ(checkStr(LLVMRemarkDebugLocGetSourceFilePath(DL), 6), "file.c");
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EXPECT_EQ(LLVMRemarkDebugLocGetSourceLine(DL), 2U);
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EXPECT_EQ(LLVMRemarkDebugLocGetSourceColumn(DL), 0U);
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break;
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}
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case 3:
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EXPECT_EQ(checkStr(LLVMRemarkArgGetKey(Arg), 6), "String");
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EXPECT_EQ(checkStr(LLVMRemarkArgGetValue(Arg), 38),
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" because its definition is unavailable");
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EXPECT_EQ(LLVMRemarkArgGetDebugLoc(Arg), nullptr);
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break;
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default:
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break;
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}
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++ArgID;
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} while ((Arg = LLVMRemarkEntryGetNextArg(Arg, Remark)));
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LLVMRemarkEntryDispose(Remark);
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EXPECT_EQ(LLVMRemarkParserGetNext(Parser), nullptr);
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EXPECT_FALSE(LLVMRemarkParserHasError(Parser));
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LLVMRemarkParserDispose(Parser);
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}
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static void parseBad(StringRef Input, const char *ErrorMsg) {
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Expected<std::unique_ptr<remarks::RemarkParser>> MaybeBSParser =
|
||
|
|
remarks::createRemarkParser(remarks::Format::Bitstream, Input);
|
||
|
|
EXPECT_FALSE(errorToBool(MaybeBSParser.takeError()));
|
||
|
|
EXPECT_TRUE(*MaybeBSParser != nullptr);
|
||
|
|
|
||
|
|
remarks::RemarkParser &BSParser = **MaybeBSParser;
|
||
|
|
Expected<std::unique_ptr<remarks::Remark>> BSRemark = BSParser.next();
|
||
|
|
EXPECT_EQ(ErrorMsg, toString(BSRemark.takeError())); // Expect an error.
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BitstreamRemarks, ParsingEmpty) {
|
||
|
|
parseBad(StringRef(), "End of file reached.");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BitstreamRemarks, ParsingBadMagic) {
|
||
|
|
parseBad("KRMR", "Unknown magic number: expecting RMRK, got KRMR.");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Testing malformed bitstream is not easy. We would need to replace bytes in
|
||
|
|
// the stream to create malformed and unknown records and blocks. There is no
|
||
|
|
// textual format for bitstream that can be decoded, modified and encoded
|
||
|
|
// back.
|
||
|
|
|
||
|
|
// FIXME: Add tests for the following error messages:
|
||
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
||
|
|
// (RECORD_META_CONTAINER_INFO).
|
||
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
||
|
|
// (RECORD_META_REMARK_VERSION).
|
||
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
||
|
|
// (RECORD_META_STRTAB).
|
||
|
|
// * Error while parsing META_BLOCK: malformed record entry
|
||
|
|
// (RECORD_META_EXTERNAL_FILE).
|
||
|
|
// * Error while parsing META_BLOCK: unknown record entry (NUM).
|
||
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
||
|
|
// (RECORD_REMARK_HEADER).
|
||
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
||
|
|
// (RECORD_REMARK_DEBUG_LOC).
|
||
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
||
|
|
// (RECORD_REMARK_HOTNESS).
|
||
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
||
|
|
// (RECORD_REMARK_ARG_WITH_DEBUGLOC).
|
||
|
|
// * Error while parsing REMARK_BLOCK: malformed record entry
|
||
|
|
// (RECORD_REMARK_ARG_WITHOUT_DEBUGLOC).
|
||
|
|
// * Error while parsing REMARK_BLOCK: unknown record entry (NUM).
|
||
|
|
// * Error while parsing META_BLOCK: expecting [ENTER_SUBBLOCO, META_BLOCK,
|
||
|
|
// ...].
|
||
|
|
// * Error while entering META_BLOCK.
|
||
|
|
// * Error while parsing META_BLOCK: expecting records.
|
||
|
|
// * Error while parsing META_BLOCK: unterminated block.
|
||
|
|
// * Error while parsing REMARK_BLOCK: expecting [ENTER_SUBBLOCO, REMARK_BLOCK,
|
||
|
|
// ...].
|
||
|
|
// * Error while entering REMARK_BLOCK.
|
||
|
|
// * Error while parsing REMARK_BLOCK: expecting records.
|
||
|
|
// * Error while parsing REMARK_BLOCK: unterminated block.
|
||
|
|
// * Error while parsing BLOCKINFO_BLOCK: expecting [ENTER_SUBBLOCK,
|
||
|
|
// BLOCKINFO_BLOCK, ...].
|
||
|
|
// * Error while parsing BLOCKINFO_BLOCK.
|
||
|
|
// * Unexpected error while parsing bitstream.
|
||
|
|
// * Expecting META_BLOCK after the BLOCKINFO_BLOCK.
|
||
|
|
// * Error while parsing BLOCK_META: missing container version.
|
||
|
|
// * Error while parsing BLOCK_META: invalid container type.
|
||
|
|
// * Error while parsing BLOCK_META: missing container type.
|
||
|
|
// * Error while parsing BLOCK_META: missing string table.
|
||
|
|
// * Error while parsing BLOCK_META: missing remark version.
|
||
|
|
// * Error while parsing BLOCK_META: missing external file path.
|
||
|
|
// * Error while parsing external file's BLOCK_META: wrong container type.
|
||
|
|
// * Error while parsing external file's BLOCK_META: mismatching versions:
|
||
|
|
// original meta: NUM, external file meta: NUM.
|
||
|
|
// * Error while parsing BLOCK_REMARK: missing string table.
|
||
|
|
// * Error while parsing BLOCK_REMARK: missing remark type.
|
||
|
|
// * Error while parsing BLOCK_REMARK: unknown remark type.
|
||
|
|
// * Error while parsing BLOCK_REMARK: missing remark name.
|
||
|
|
// * Error while parsing BLOCK_REMARK: missing remark pass.
|
||
|
|
// * Error while parsing BLOCK_REMARK: missing remark function name.
|
||
|
|
// * Error while parsing BLOCK_REMARK: missing key in remark argument.
|
||
|
|
// * Error while parsing BLOCK_REMARK: missing value in remark argument.
|