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78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "tools/gn/location.h"
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#include <tuple>
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#include "base/logging.h"
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#include "base/strings/string_number_conversions.h"
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#include "tools/gn/input_file.h"
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Location::Location()
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: file_(nullptr),
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line_number_(-1),
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column_number_(-1) {
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}
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Location::Location(const InputFile* file,
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int line_number,
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int column_number,
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int byte)
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: file_(file),
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line_number_(line_number),
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column_number_(column_number),
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byte_(byte) {
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}
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bool Location::operator==(const Location& other) const {
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return other.file_ == file_ &&
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other.line_number_ == line_number_ &&
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other.column_number_ == column_number_;
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}
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bool Location::operator!=(const Location& other) const {
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return !operator==(other);
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}
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bool Location::operator<(const Location& other) const {
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DCHECK(file_ == other.file_);
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return std::tie(line_number_, column_number_) <
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std::tie(other.line_number_, other.column_number_);
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}
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std::string Location::Describe(bool include_column_number) const {
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if (!file_)
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return std::string();
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std::string ret;
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if (file_->friendly_name().empty())
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ret = file_->name().value();
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else
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ret = file_->friendly_name();
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ret += ":";
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ret += base::IntToString(line_number_);
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if (include_column_number) {
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ret += ":";
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ret += base::IntToString(column_number_);
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}
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return ret;
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}
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LocationRange::LocationRange() = default;
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LocationRange::LocationRange(const Location& begin, const Location& end)
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: begin_(begin),
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end_(end) {
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DCHECK(begin_.file() == end_.file());
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}
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LocationRange LocationRange::Union(const LocationRange& other) const {
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DCHECK(begin_.file() == other.begin_.file());
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return LocationRange(
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begin_ < other.begin_ ? begin_ : other.begin_,
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end_ < other.end_ ? other.end_ : end_);
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}
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