ASTConsumer *InsertBracesFrontendAction::CreateASTConsumer(
CompilerInstance &Compiler, StringRef InFile) {
ASTContext *ctx = &Compiler.getASTContext();
rewriter = Rewriter(ctx->getSourceManager(), ctx->getLangOpts());
return new InsertBracesASTConsumer(rewriter);
}
Expression SpecRewriter::Do(ESolver* Solver, const Expression& Exp,
vector<EvalRule>& EvalRules,
vector<const AuxVarOperator*>& BaseAuxVarsOps,
vector<const AuxVarOperator*>& DerivedAuxVarOps)
{
SpecRewriter Rewriter(Solver);
Exp->Accept(&Rewriter);
EvalRules = Rewriter.EvalRules;
BaseAuxVarsOps = Rewriter.BaseAuxVarOps;
DerivedAuxVarOps = Rewriter.DerivedAuxVarOps;
// Assign positions for base and derived aux vars
uint32 AuxVarCounter = 0;
for (auto const& BaseAV : BaseAuxVarsOps) {
BaseAV->SetPosition(AuxVarCounter++);
}
for (auto const& DerivedAV : DerivedAuxVarOps) {
DerivedAV->SetPosition(AuxVarCounter++);
}
// Fixup the param maps in the eval rules
for (auto const& Rule : EvalRules) {
ParamMapFixup::Do(Rule.GetRHS());
}
return Rewriter.RewriteStack.back();
}
/// Simplify users of induction variables within this
/// loop. This does not actually change or add IVs.
bool simplifyLoopIVs(Loop *L, ScalarEvolution *SE, DominatorTree *DT,
LoopInfo *LI, SmallVectorImpl<WeakTrackingVH> &Dead) {
SCEVExpander Rewriter(*SE, SE->getDataLayout(), "indvars");
#ifndef NDEBUG
Rewriter.setDebugType(DEBUG_TYPE);
#endif
bool Changed = false;
for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I) {
Changed |= simplifyUsersOfIV(cast<PHINode>(I), SE, DT, LI, Dead, Rewriter);
}
return Changed;
}
void clang::DoRewriteTest(Preprocessor &PP, raw_ostream* OS) {
SourceManager &SM = PP.getSourceManager();
const LangOptions &LangOpts = PP.getLangOptions();
TokenRewriter Rewriter(SM.getMainFileID(), SM, LangOpts);
// Throw <i> </i> tags around comments.
for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
E = Rewriter.token_end(); I != E; ++I) {
if (I->isNot(tok::comment)) continue;
Rewriter.AddTokenBefore(I, "<i>");
Rewriter.AddTokenAfter(I, "</i>");
}
// Print out the output.
for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
E = Rewriter.token_end(); I != E; ++I)
*OS << PP.getSpelling(*I);
}