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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
f616817b71
When an error diagnostic has an unattached location, for example because the diagnostic points into a file that's in the prelude, use the next attached location to position the error diagnostic's CHECK line. In particular, if the error is followed by a note, use the position of the note to determine where to place the error. This exposes a general mechanism to do final fixups of the CHECK lines to individual file_test binaries, which the toolchain's binary uses to special-case error / warning CHECK lines.
61 lines
1.7 KiB
C++
61 lines
1.7 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_TESTING_FILE_TEST_LINE_H_
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#define CARBON_TESTING_FILE_TEST_LINE_H_
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#include "common/ostream.h"
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#include "llvm/ADT/StringRef.h"
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namespace Carbon::Testing {
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// Interface for lines.
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class FileTestLineBase : public Printable<FileTestLineBase> {
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public:
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explicit FileTestLineBase(int file_number, int line_number)
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: file_number_(file_number), line_number_(line_number) {}
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virtual ~FileTestLineBase() = default;
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// Prints the autoupdated line.
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virtual auto Print(llvm::raw_ostream& out) const -> void = 0;
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virtual auto is_blank() const -> bool = 0;
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auto file_number() const -> int { return file_number_; }
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auto line_number() const -> int { return line_number_; }
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void set_location(int file_number, int line_number) {
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file_number_ = file_number;
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line_number_ = line_number;
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}
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private:
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int file_number_;
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int line_number_;
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};
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// A line in the original file test.
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//
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// `final` because we use pointer arithmetic on this type.
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class FileTestLine final : public FileTestLineBase {
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public:
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explicit FileTestLine(int file_number, int line_number, llvm::StringRef line)
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: FileTestLineBase(file_number, line_number), line_(line) {}
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auto Print(llvm::raw_ostream& out) const -> void override { out << line_; }
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auto is_blank() const -> bool override { return line_.empty(); }
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auto indent() const -> llvm::StringRef {
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return line_.substr(0, line_.find_first_not_of(" \n"));
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}
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private:
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llvm::StringRef line_;
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};
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} // namespace Carbon::Testing
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#endif // CARBON_TESTING_FILE_TEST_LINE_H_
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