1 //===--- RefactoringCallbacks.cpp - Structural query framework ------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
12 #include "clang/Lex/Lexer.h"
13 #include "clang/Tooling/RefactoringCallbacks.h"
18 RefactoringCallback::RefactoringCallback() {}
19 tooling::Replacements &RefactoringCallback::getReplacements() {
23 static Replacement replaceStmtWithText(SourceManager &Sources,
26 return tooling::Replacement(Sources, CharSourceRange::getTokenRange(
27 From.getSourceRange()), Text);
29 static Replacement replaceStmtWithStmt(SourceManager &Sources,
32 return replaceStmtWithText(Sources, From, Lexer::getSourceText(
33 CharSourceRange::getTokenRange(To.getSourceRange()),
34 Sources, LangOptions()));
37 ReplaceStmtWithText::ReplaceStmtWithText(StringRef FromId, StringRef ToText)
38 : FromId(FromId), ToText(ToText) {}
40 void ReplaceStmtWithText::run(
41 const ast_matchers::MatchFinder::MatchResult &Result) {
42 if (const Stmt *FromMatch = Result.Nodes.getStmtAs<Stmt>(FromId)) {
43 Replace.insert(tooling::Replacement(
44 *Result.SourceManager,
45 CharSourceRange::getTokenRange(FromMatch->getSourceRange()),
50 ReplaceStmtWithStmt::ReplaceStmtWithStmt(StringRef FromId, StringRef ToId)
51 : FromId(FromId), ToId(ToId) {}
53 void ReplaceStmtWithStmt::run(
54 const ast_matchers::MatchFinder::MatchResult &Result) {
55 const Stmt *FromMatch = Result.Nodes.getStmtAs<Stmt>(FromId);
56 const Stmt *ToMatch = Result.Nodes.getStmtAs<Stmt>(ToId);
57 if (FromMatch && ToMatch)
58 Replace.insert(replaceStmtWithStmt(
59 *Result.SourceManager, *FromMatch, *ToMatch));
62 ReplaceIfStmtWithItsBody::ReplaceIfStmtWithItsBody(StringRef Id,
64 : Id(Id), PickTrueBranch(PickTrueBranch) {}
66 void ReplaceIfStmtWithItsBody::run(
67 const ast_matchers::MatchFinder::MatchResult &Result) {
68 if (const IfStmt *Node = Result.Nodes.getStmtAs<IfStmt>(Id)) {
69 const Stmt *Body = PickTrueBranch ? Node->getThen() : Node->getElse();
71 Replace.insert(replaceStmtWithStmt(*Result.SourceManager, *Node, *Body));
72 } else if (!PickTrueBranch) {
73 // If we want to use the 'else'-branch, but it doesn't exist, delete
75 Replace.insert(replaceStmtWithText(*Result.SourceManager, *Node, ""));
80 } // end namespace tooling
81 } // end namespace clang