1// Copyright 2018 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "src/torque/source-positions.h"
6
7#include <fstream>
8#include "src/torque/utils.h"
9
10namespace v8 {
11namespace internal {
12namespace torque {
13
14DEFINE_CONTEXTUAL_VARIABLE(CurrentSourceFile)
15DEFINE_CONTEXTUAL_VARIABLE(CurrentSourcePosition)
16DEFINE_CONTEXTUAL_VARIABLE(SourceFileMap)
17
18// static
19const std::string& SourceFileMap::PathFromV8Root(SourceId file) {
20  CHECK(file.IsValid());
21  return Get().sources_[file.id_];
22}
23
24// static
25std::string SourceFileMap::AbsolutePath(SourceId file) {
26  const std::string& root_path = PathFromV8Root(file);
27  if (StringStartsWith(root_path, "file://")) return root_path;
28  return Get().v8_root_ + "/" + PathFromV8Root(file);
29}
30
31// static
32std::string SourceFileMap::PathFromV8RootWithoutExtension(SourceId file) {
33  std::string path_from_root = PathFromV8Root(file);
34  if (!StringEndsWith(path_from_root, ".tq")) {
35    Error("Not a .tq file: ", path_from_root).Throw();
36  }
37  path_from_root.resize(path_from_root.size() - strlen(".tq"));
38  return path_from_root;
39}
40
41// static
42SourceId SourceFileMap::AddSource(std::string path) {
43  Get().sources_.push_back(std::move(path));
44  return SourceId(static_cast<int>(Get().sources_.size()) - 1);
45}
46
47// static
48SourceId SourceFileMap::GetSourceId(const std::string& path) {
49  for (size_t i = 0; i < Get().sources_.size(); ++i) {
50    if (Get().sources_[i] == path) {
51      return SourceId(static_cast<int>(i));
52    }
53  }
54  return SourceId::Invalid();
55}
56
57// static
58std::vector<SourceId> SourceFileMap::AllSources() {
59  SourceFileMap& self = Get();
60  std::vector<SourceId> result;
61  result.reserve(static_cast<int>(self.sources_.size()));
62  for (int i = 0; i < static_cast<int>(self.sources_.size()); ++i) {
63    result.push_back(SourceId(i));
64  }
65  return result;
66}
67
68// static
69bool SourceFileMap::FileRelativeToV8RootExists(const std::string& path) {
70  const std::string file = Get().v8_root_ + "/" + path;
71  std::ifstream stream(file);
72  return stream.good();
73}
74
75}  // namespace torque
76}  // namespace internal
77}  // namespace v8
78