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46 lines
1.4 KiB
C++
46 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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#ifndef EXECUTABLE_SEMANTICS_AST_SOURCE_LOCATION_H_
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#define EXECUTABLE_SEMANTICS_AST_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 "executable_semantics/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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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 // EXECUTABLE_SEMANTICS_AST_SOURCE_LOCATION_H_
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