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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-PerkinsandChandler Carruth
7befe2ce9f
This switches most error printing to use diagnostics instead of direct stream writes, even when not a specific file diagnostic. I'm allowing empty filenames for this use-case. This allows a little more specific testing to validate coverage of output using the diagnostic coverage test. I'm adding a few tests to cover things that weren't previously tested. Separately, this also forces a little more standardization in format... considering how changes like #4568 show effort being spent to _mirror_ diagnostic style, my thought is now to just use diagnostic code where possible. Note this also allows incrementally better testing of the language server; I'm changing the crash fix from #4847 in favor of diagnostic testing. --------- Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
64 lines
2.0 KiB
C++
64 lines
2.0 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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#ifndef CARBON_TOOLCHAIN_DRIVER_DRIVER_ENV_H_
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#define CARBON_TOOLCHAIN_DRIVER_DRIVER_ENV_H_
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#include <cstdio>
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#include <utility>
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#include "common/ostream.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "toolchain/diagnostics/diagnostic_emitter.h"
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#include "toolchain/install/install_paths.h"
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namespace Carbon {
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// Driver environment information, encapsulated for easy passing to subcommands.
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struct DriverEnv {
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explicit DriverEnv(llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> fs,
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const InstallPaths* installation, FILE* input_stream,
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llvm::raw_pwrite_stream* output_stream,
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llvm::raw_pwrite_stream* error_stream, bool fuzzing)
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: fs(std::move(fs)),
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installation(installation),
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input_stream(input_stream),
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output_stream(output_stream),
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error_stream(error_stream),
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fuzzing(fuzzing),
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consumer(error_stream),
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emitter(&consumer) {}
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// The filesystem for source code.
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llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> fs;
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// Helper to locate the toolchain installation's files.
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const InstallPaths* installation;
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// Standard input; stdin. May be null, to prevent accidental use.
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FILE* input_stream;
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// Standard output; stdout.
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llvm::raw_pwrite_stream* output_stream;
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// Error output; stderr.
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llvm::raw_pwrite_stream* error_stream;
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// Tracks when the driver is being fuzzed. This allows specific commands to
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// error rather than perform operations that aren't well behaved during
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// fuzzing.
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bool fuzzing;
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// A diagnostic consumer, to be able to connect output.
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StreamDiagnosticConsumer consumer;
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// A diagnostic emitter that has no locations.
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NoLocDiagnosticEmitter emitter;
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// For CARBON_VLOG.
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llvm::raw_pwrite_stream* vlog_stream = nullptr;
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};
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} // namespace Carbon
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#endif // CARBON_TOOLCHAIN_DRIVER_DRIVER_ENV_H_
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