1 files changed, 0 insertions, 158 deletions
diff --git a/clang/lib/AST/Interp/State.cpp b/clang/lib/AST/Interp/State.cpp
deleted file mode 100644
index 692cc2e8d69..00000000000
--- a/clang/lib/AST/Interp/State.cpp
+++ /dev/null
@@ -1,158 +0,0 @@
-//===--- State.cpp - State chain for the VM and AST Walker ------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "State.h"
-#include "Frame.h"
-#include "Program.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/CXXInheritance.h"
-
-using namespace clang;
-using namespace clang::interp;
-
-State::~State() {}
-
-OptionalDiagnostic State::FFDiag(SourceLocation Loc, diag::kind DiagId,
-                                 unsigned ExtraNotes) {
-  return diag(Loc, DiagId, ExtraNotes, false);
-}
-
-OptionalDiagnostic State::FFDiag(const Expr *E, diag::kind DiagId,
-                                 unsigned ExtraNotes) {
-  if (getEvalStatus().Diag)
-    return diag(E->getExprLoc(), DiagId, ExtraNotes, false);
-  setActiveDiagnostic(false);
-  return OptionalDiagnostic();
-}
-
-OptionalDiagnostic State::FFDiag(const SourceInfo &SI, diag::kind DiagId,
-                                 unsigned ExtraNotes) {
-  if (getEvalStatus().Diag)
-    return diag(SI.getLoc(), DiagId, ExtraNotes, false);
-  setActiveDiagnostic(false);
-  return OptionalDiagnostic();
-}
-
-OptionalDiagnostic State::CCEDiag(SourceLocation Loc, diag::kind DiagId,
-                                  unsigned ExtraNotes) {
-  // Don't override a previous diagnostic. Don't bother collecting
-  // diagnostics if we're evaluating for overflow.
-  if (!getEvalStatus().Diag || !getEvalStatus().Diag->empty()) {
-    setActiveDiagnostic(false);
-    return OptionalDiagnostic();
-  }
-  return diag(Loc, DiagId, ExtraNotes, true);
-}
-
-OptionalDiagnostic State::CCEDiag(const Expr *E, diag::kind DiagId,
-                                  unsigned ExtraNotes) {
-  return CCEDiag(E->getExprLoc(), DiagId, ExtraNotes);
-}
-
-OptionalDiagnostic State::CCEDiag(const SourceInfo &SI, diag::kind DiagId,
-                                  unsigned ExtraNotes) {
-  return CCEDiag(SI.getLoc(), DiagId, ExtraNotes);
-}
-
-OptionalDiagnostic State::Note(SourceLocation Loc, diag::kind DiagId) {
-  if (!hasActiveDiagnostic())
-    return OptionalDiagnostic();
-  return OptionalDiagnostic(&addDiag(Loc, DiagId));
-}
-
-void State::addNotes(ArrayRef<PartialDiagnosticAt> Diags) {
-  if (hasActiveDiagnostic()) {
-    getEvalStatus().Diag->insert(getEvalStatus().Diag->end(), Diags.begin(),
-                                 Diags.end());
-  }
-}
-
-DiagnosticBuilder State::report(SourceLocation Loc, diag::kind DiagId) {
-  return getCtx().getDiagnostics().Report(Loc, DiagId);
-}
-
-/// Add a diagnostic to the diagnostics list.
-PartialDiagnostic &State::addDiag(SourceLocation Loc, diag::kind DiagId) {
-  PartialDiagnostic PD(DiagId, getCtx().getDiagAllocator());
-  getEvalStatus().Diag->push_back(std::make_pair(Loc, PD));
-  return getEvalStatus().Diag->back().second;
-}
-
-OptionalDiagnostic State::diag(SourceLocation Loc, diag::kind DiagId,
-                               unsigned ExtraNotes, bool IsCCEDiag) {
-  Expr::EvalStatus &EvalStatus = getEvalStatus();
-  if (EvalStatus.Diag) {
-    if (hasPriorDiagnostic()) {
-      return OptionalDiagnostic();
-    }
-
-    unsigned CallStackNotes = getCallStackDepth() - 1;
-    unsigned Limit = getCtx().getDiagnostics().getConstexprBacktraceLimit();
-    if (Limit)
-      CallStackNotes = std::min(CallStackNotes, Limit + 1);
-    if (checkingPotentialConstantExpression())
-      CallStackNotes = 0;
-
-    setActiveDiagnostic(true);
-    setFoldFailureDiagnostic(!IsCCEDiag);
-    EvalStatus.Diag->clear();
-    EvalStatus.Diag->reserve(1 + ExtraNotes + CallStackNotes);
-    addDiag(Loc, DiagId);
-    if (!checkingPotentialConstantExpression()) {
-      addCallStack(Limit);
-    }
-    return OptionalDiagnostic(&(*EvalStatus.Diag)[0].second);
-  }
-  setActiveDiagnostic(false);
-  return OptionalDiagnostic();
-}
-
-const LangOptions &State::getLangOpts() const { return getCtx().getLangOpts(); }
-
-void State::addCallStack(unsigned Limit) {
-  // Determine which calls to skip, if any.
-  unsigned ActiveCalls = getCallStackDepth() - 1;
-  unsigned SkipStart = ActiveCalls, SkipEnd = SkipStart;
-  if (Limit && Limit < ActiveCalls) {
-    SkipStart = Limit / 2 + Limit % 2;
-    SkipEnd = ActiveCalls - Limit / 2;
-  }
-
-  // Walk the call stack and add the diagnostics.
-  unsigned CallIdx = 0;
-  Frame *Top = getCurrentFrame();
-  const Frame *Bottom = getBottomFrame();
-  for (Frame *F = Top; F != Bottom; F = F->getCaller(), ++CallIdx) {
-    SourceLocation CallLocation = F->getCallLocation();
-
-    // Skip this call?
-    if (CallIdx >= SkipStart && CallIdx < SkipEnd) {
-      if (CallIdx == SkipStart) {
-        // Note that we're skipping calls.
-        addDiag(CallLocation, diag::note_constexpr_calls_suppressed)
-            << unsigned(ActiveCalls - Limit);
-      }
-      continue;
-    }
-
-    // Use a different note for an inheriting constructor, because from the
-    // user's perspective it's not really a function at all.
-    if (auto *CD = dyn_cast_or_null<CXXConstructorDecl>(F->getCallee())) {
-      if (CD->isInheritingConstructor()) {
-        addDiag(CallLocation, diag::note_constexpr_inherited_ctor_call_here)
-            << CD->getParent();
-        continue;
-      }
-    }
-
-    SmallVector<char, 128> Buffer;
-    llvm::raw_svector_ostream Out(Buffer);
-    F->describe(Out);
-    addDiag(CallLocation, diag::note_constexpr_call_here) << Out.str();
-  }
-}