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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
594f6d781e
This is just to be able to directly run the driver (e.g., `bazel run //toolchain/driver:carbon compile foo.carbon`); it shouldn't affect anything else.
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include <cstdlib>
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#include "common/bazel_working_dir.h"
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#include "common/init_llvm.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Path.h"
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#include "toolchain/driver/driver.h"
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auto main(int argc, char** argv) -> int {
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Carbon::InitLLVM init_llvm(argc, argv);
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if (argc < 1) {
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return EXIT_FAILURE;
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}
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Carbon::SetWorkingDirForBazel();
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// Printing to stderr should flush stdout. This is most noticeable when stderr
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// is piped to stdout.
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llvm::errs().tie(&llvm::outs());
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llvm::SmallVector<llvm::StringRef> args(argv + 1, argv + argc);
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auto fs = llvm::vfs::getRealFileSystem();
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// Construct the data directory relative to the executable location.
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static int static_for_main_addr;
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std::string exe =
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llvm::sys::fs::getMainExecutable(argv[0], &static_for_main_addr);
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llvm::SmallString<256> data_dir(llvm::sys::path::parent_path(exe));
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llvm::sys::path::append(data_dir, llvm::sys::path::Style::posix,
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"carbon.runfiles/_main/");
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Carbon::Driver driver(*fs, data_dir, llvm::outs(), llvm::errs());
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bool success = driver.RunCommand(args).success;
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return success ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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