81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
//===--- RefactoringCallbacks.cpp - Structural query framework ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Lex/Lexer.h"
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#include "clang/Tooling/RefactoringCallbacks.h"
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namespace clang {
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namespace tooling {
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RefactoringCallback::RefactoringCallback() {}
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tooling::Replacements &RefactoringCallback::getReplacements() {
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return Replace;
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}
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static Replacement replaceStmtWithText(SourceManager &Sources,
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const Stmt &From,
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StringRef Text) {
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return tooling::Replacement(Sources, CharSourceRange::getTokenRange(
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From.getSourceRange()), Text);
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}
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static Replacement replaceStmtWithStmt(SourceManager &Sources,
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const Stmt &From,
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const Stmt &To) {
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return replaceStmtWithText(Sources, From, Lexer::getSourceText(
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CharSourceRange::getTokenRange(To.getSourceRange()),
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Sources, LangOptions()));
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}
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ReplaceStmtWithText::ReplaceStmtWithText(StringRef FromId, StringRef ToText)
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: FromId(FromId), ToText(ToText) {}
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void ReplaceStmtWithText::run(
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const ast_matchers::MatchFinder::MatchResult &Result) {
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if (const Stmt *FromMatch = Result.Nodes.getStmtAs<Stmt>(FromId)) {
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Replace.insert(tooling::Replacement(
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*Result.SourceManager,
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CharSourceRange::getTokenRange(FromMatch->getSourceRange()),
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ToText));
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}
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}
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ReplaceStmtWithStmt::ReplaceStmtWithStmt(StringRef FromId, StringRef ToId)
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: FromId(FromId), ToId(ToId) {}
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void ReplaceStmtWithStmt::run(
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const ast_matchers::MatchFinder::MatchResult &Result) {
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const Stmt *FromMatch = Result.Nodes.getStmtAs<Stmt>(FromId);
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const Stmt *ToMatch = Result.Nodes.getStmtAs<Stmt>(ToId);
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if (FromMatch && ToMatch)
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Replace.insert(replaceStmtWithStmt(
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*Result.SourceManager, *FromMatch, *ToMatch));
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}
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ReplaceIfStmtWithItsBody::ReplaceIfStmtWithItsBody(StringRef Id,
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bool PickTrueBranch)
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: Id(Id), PickTrueBranch(PickTrueBranch) {}
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void ReplaceIfStmtWithItsBody::run(
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const ast_matchers::MatchFinder::MatchResult &Result) {
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if (const IfStmt *Node = Result.Nodes.getStmtAs<IfStmt>(Id)) {
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const Stmt *Body = PickTrueBranch ? Node->getThen() : Node->getElse();
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if (Body) {
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Replace.insert(replaceStmtWithStmt(*Result.SourceManager, *Node, *Body));
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} else if (!PickTrueBranch) {
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// If we want to use the 'else'-branch, but it doesn't exist, delete
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// the whole 'if'.
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Replace.insert(replaceStmtWithText(*Result.SourceManager, *Node, ""));
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}
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}
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}
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} // end namespace tooling
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} // end namespace clang
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