void VariableRefactorer::visitDeclRefExpr(const clang::DeclRefExpr *Expr)
{
if (!isVictim(Expr->getDecl()))
return;
addReplacement(Expr->getNameInfo().getLoc());
}
void VariableRefactorer::visitVarDecl(const clang::VarDecl *Decl)
{
if (!isVictim(Decl))
return;
addReplacement(Decl->getLocation());
}
void VariableRefactorer::visitMemberExpr(const clang::MemberExpr *Expr)
{
auto Decl = Expr->getMemberDecl();
if (!clang::dyn_cast<clang::FieldDecl>(Decl) || !isVictim(Decl))
return;
addReplacement(Expr->getMemberLoc());
}
void VariableRefactorer::visitCXXConstructorDecl(
const clang::CXXConstructorDecl *Decl)
{
/* Handle field declarations initialized in an initializer list */
if (!Decl->hasBody())
return;
for (const auto &Init : Decl->inits()) {
if (!Init->isMemberInitializer() || !Init->isWritten())
continue;
if (!isVictim(Init->getMember()))
continue;
addReplacement(Init->getSourceLocation());
}
}
void VariableRefactorer::visitUsingDecl(const clang::UsingDecl *Decl)
{
/*
* This function handles the following case:
* namespace n { int x; }
*
* void f() { using n::x; x = 0; }
* ^(1)
*
* The 'using n::x' creates a 'UsingShadowDecl' which references a
* possible 'VarDecl'.
*/
for (const auto &SDecl : Decl->shadows()) {
auto NamedDecl = SDecl->getUnderlyingDecl();
auto VarDecl = clang::dyn_cast<clang::VarDecl>(NamedDecl);
if (VarDecl && isVictim(VarDecl)) {
addReplacement(Decl->getLocation());
break;
}
}
}
void HelpWriterContext::Impl::initDefaultReplacements()
{
const char *program = getProgramContext().programName();
addReplacement("[PROGRAM]", program);
}