blob: e81a60c9383ffa70f3c2d75835dfa9add2c5b8cb [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include "base/macros.h"
#include "base/strings/string_piece.h"
class InputFile;
class LocationRange;
// Iterates through #includes in C source and header files.
// This only returns includes we want to check, which is user includes with
// double-quotes: #include "..."
class CIncludeIterator {
// The InputFile pointed to must outlive this class.
explicit CIncludeIterator(const InputFile* input);
// Fills in the string with the contents of the next include, and the
// location with where it came from, and returns true, or returns false if
// there are no more includes.
bool GetNextIncludeString(base::StringPiece* out, LocationRange* location);
// Maximum numbef of non-includes we'll tolerate before giving up. This does
// not count comments or preprocessor.
static const int kMaxNonIncludeLines;
// Returns false on EOF, otherwise fills in the given line and the one-based
// line number into *line_number;
bool GetNextLine(base::StringPiece* line, int* line_number);
const InputFile* input_file_;
// This just points into input_file_.contents() for convenience.
base::StringPiece file_;
// 0-based offset into the file.
size_t offset_;
int line_number_; // One-based. Indicates the last line we read.
// Number of lines we've processed since seeing the last include (or the
// beginning of the file) with some exceptions.
int lines_since_last_include_;