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https://github.com/c64scene-ar/llvm-6502.git
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6c0e053dc9
As suggested by David Blaikie, this may be easier to read.
The original warning was:
../tools/llvm-cov/llvm-cov.cpp:53:49: error: ISO C++ forbids zero-size array 'argv' [-Werror=pedantic]
std::string Invocation(std::string(argv[0]) + " " + argv[1]);
It seems to be the case that GCC's warning gets confused and thinks
'argv' is a declaration here. GCC bugzilla issue #61259.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218048 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
//===- llvm-cov.cpp - LLVM coverage tool ----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// llvm-cov is a command line tools to analyze and report coverage information.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/Path.h"
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#include <string>
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using namespace llvm;
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/// \brief The main entry point for the 'show' subcommand.
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int show_main(int argc, const char **argv);
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/// \brief The main entry point for the 'report' subcommand.
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int report_main(int argc, const char **argv);
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/// \brief The main entry point for the 'convert-for-testing' subcommand.
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int convert_for_testing_main(int argc, const char **argv);
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/// \brief The main entry point for the gcov compatible coverage tool.
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int gcov_main(int argc, const char **argv);
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int main(int argc, const char **argv) {
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// If argv[0] is or ends with 'gcov', always be gcov compatible
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if (sys::path::stem(argv[0]).endswith_lower("gcov"))
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return gcov_main(argc, argv);
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// Check if we are invoking a specific tool command.
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if (argc > 1) {
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int (*func)(int, const char **) = nullptr;
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StringRef command = argv[1];
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if (command.equals_lower("show"))
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func = show_main;
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else if (command.equals_lower("report"))
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func = report_main;
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else if (command.equals_lower("convert-for-testing"))
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func = convert_for_testing_main;
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else if (command.equals_lower("gcov"))
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func = gcov_main;
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if (func) {
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std::string Invocation = std::string(argv[0]) + " " + argv[1];
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argv[1] = Invocation.c_str();
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return func(argc - 1, argv + 1);
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}
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}
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// Give a warning and fall back to gcov
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errs().changeColor(raw_ostream::RED);
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errs() << "warning:";
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// Assume that argv[1] wasn't a command when it stats with a '-' or is a
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// filename (i.e. contains a '.')
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if (argc > 1 && !StringRef(argv[1]).startswith("-") &&
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StringRef(argv[1]).find(".") == StringRef::npos)
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errs() << " Unrecognized command '" << argv[1] << "'.";
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errs() << " Using the gcov compatible mode "
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"(this behaviour may be dropped in the future).";
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errs().resetColor();
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errs() << "\n";
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return gcov_main(argc, argv);
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}
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