File: EditTracker.cpp

package info (click to toggle)
chromium 138.0.7204.157-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 6,071,864 kB
  • sloc: cpp: 34,936,859; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,967; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (62 lines) | stat: -rw-r--r-- 1,947 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "EditTracker.h"

#include <assert.h>
#include <stdio.h>
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"

namespace {

const char* GetTag(RenameCategory category) {
  switch (category) {
    case RenameCategory::kEnumValue:
      return "enum";
    case RenameCategory::kField:
      return "var";
    case RenameCategory::kFunction:
      return "func";
    case RenameCategory::kUnresolved:
      return "unresolved";
    case RenameCategory::kVariable:
      return "var";
  }
}

}  // namespace

EditTracker::EditTracker(RenameCategory category) : category_(category) {}

void EditTracker::Add(const clang::SourceManager& source_manager,
                      clang::SourceLocation location,
                      llvm::StringRef original_text,
                      llvm::StringRef new_text) {
  llvm::StringRef filename;
  for (int i = 0; i < 10; i++) {
    filename = source_manager.getFilename(location);
    if (!filename.empty() || !location.isMacroID())
      break;
    // Otherwise, no filename and the SourceLocation is a macro ID. Look one
    // level up the stack...
    location = source_manager.getImmediateMacroCallerLoc(location);
  }
  assert(!filename.empty() && "Can't track edit with no filename!");
  auto result = tracked_edits_.try_emplace(original_text);
  if (result.second) {
    result.first->getValue().new_text = new_text;
  }
  result.first->getValue().filenames.try_emplace(filename);
}

void EditTracker::SerializeTo(llvm::raw_ostream& output) const {
  const char* tag = GetTag(category_);
  for (const auto& edit : tracked_edits_) {
    for (const auto& filename : edit.getValue().filenames) {
      output << filename.getKey() << ":" << tag << ":" << edit.getKey() << ":"
             << edit.getValue().new_text << "\n";
    }
  }
}