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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
7a67715ac5
This allows us to combine multiple Errors together without repeating the prefix information. Also fixes several cases where two "COMPILATION ERROR" prefixes would be prepended to the same message when errors with prefixes and locations were produced by the lexer and parser.
52 lines
1.5 KiB
C++
52 lines
1.5 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_EXPLORER_COMMON_SOURCE_LOCATION_H_
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#define CARBON_EXPLORER_COMMON_SOURCE_LOCATION_H_
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#include <string>
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#include <string_view>
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#include "common/ostream.h"
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#include "explorer/common/nonnull.h"
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namespace Carbon {
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class SourceLocation {
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public:
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// The filename should be eternal or arena-allocated to eliminate copies.
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constexpr SourceLocation(const char* filename, int line_num)
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: filename_(filename), line_num_(line_num) {}
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SourceLocation(Nonnull<const std::string*> filename, int line_num)
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: filename_(filename->c_str()), line_num_(line_num) {}
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SourceLocation(const SourceLocation&) = default;
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SourceLocation(SourceLocation&&) = default;
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auto operator=(const SourceLocation&) -> SourceLocation& = default;
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auto operator=(SourceLocation&&) -> SourceLocation& = default;
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auto operator==(SourceLocation other) const -> bool {
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return filename_ == other.filename_ && line_num_ == other.line_num_;
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}
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void Print(llvm::raw_ostream& out) const {
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out << filename_ << ":" << line_num_;
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}
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auto ToString() const -> std::string {
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std::string result;
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llvm::raw_string_ostream out(result);
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Print(out);
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return result;
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}
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LLVM_DUMP_METHOD void Dump() const { Print(llvm::errs()); }
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private:
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std::string_view filename_;
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int line_num_;
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};
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} // namespace Carbon
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#endif // CARBON_EXPLORER_COMMON_SOURCE_LOCATION_H_
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