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-rw-r--r--clang/lib/AST/Interp/Context.cpp148
1 files changed, 0 insertions, 148 deletions
diff --git a/clang/lib/AST/Interp/Context.cpp b/clang/lib/AST/Interp/Context.cpp
deleted file mode 100644
index 85d8626c382..00000000000
--- a/clang/lib/AST/Interp/Context.cpp
+++ /dev/null
@@ -1,148 +0,0 @@
-//===--- Context.cpp - Context for the constexpr VM -------------*- 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 "Context.h"
-#include "ByteCodeExprGen.h"
-#include "ByteCodeStmtGen.h"
-#include "EvalEmitter.h"
-#include "Interp.h"
-#include "InterpFrame.h"
-#include "InterpStack.h"
-#include "ByteCodeEmitter.h"
-#include "Program.h"
-#include "Type.h"
-#include "clang/AST/Expr.h"
-
-using namespace clang;
-using namespace clang::interp;
-
-Context::Context(ASTContext &Ctx)
- : Ctx(Ctx), ForceInterp(getLangOpts().ForceNewConstInterp),
- P(new Program(*this)) {}
-
-Context::~Context() {}
-
-InterpResult Context::isPotentialConstantExpr(State &Parent,
- const FunctionDecl *FD) {
- Function *Func = P->getFunction(FD);
- if (!Func) {
- if (auto R = ByteCodeStmtGen<ByteCodeEmitter>(*this, *P).compileFunc(FD)) {
- Func = *R;
- } else if (ForceInterp) {
- handleAllErrors(R.takeError(), [&Parent](ByteCodeGenError &Err) {
- Parent.FFDiag(Err.getLoc(), diag::err_experimental_clang_interp_failed);
- });
- return InterpResult::Fail;
- } else {
- consumeError(R.takeError());
- return InterpResult::Bail;
- }
- }
-
- if (!Func->isConstexpr())
- return InterpResult::Fail;
-
- APValue Dummy;
- return Run(Parent, Func, Dummy);
-}
-
-InterpResult Context::evaluateAsRValue(State &Parent, const Expr *E,
- APValue &Result) {
- ByteCodeExprGen<EvalEmitter> C(*this, *P, Parent, Stk, Result);
- return Check(Parent, C.interpretExpr(E));
-}
-
-InterpResult Context::evaluateAsInitializer(State &Parent, const VarDecl *VD,
- APValue &Result) {
- ByteCodeExprGen<EvalEmitter> C(*this, *P, Parent, Stk, Result);
- return Check(Parent, C.interpretDecl(VD));
-}
-
-const LangOptions &Context::getLangOpts() const { return Ctx.getLangOpts(); }
-
-llvm::Optional<PrimType> Context::classify(QualType T) {
- if (T->isReferenceType() || T->isPointerType()) {
- return PT_Ptr;
- }
-
- if (T->isBooleanType())
- return PT_Bool;
-
- if (T->isSignedIntegerOrEnumerationType()) {
- switch (Ctx.getIntWidth(T)) {
- case 64:
- return PT_Sint64;
- case 32:
- return PT_Sint32;
- case 16:
- return PT_Sint16;
- case 8:
- return PT_Sint8;
- default:
- return {};
- }
- }
-
- if (T->isUnsignedIntegerOrEnumerationType()) {
- switch (Ctx.getIntWidth(T)) {
- case 64:
- return PT_Uint64;
- case 32:
- return PT_Uint32;
- case 16:
- return PT_Uint16;
- case 8:
- return PT_Uint8;
- default:
- return {};
- }
- }
-
- if (T->isNullPtrType())
- return PT_Ptr;
-
- if (auto *AT = dyn_cast<AtomicType>(T))
- return classify(AT->getValueType());
-
- return {};
-}
-
-unsigned Context::getCharBit() const {
- return Ctx.getTargetInfo().getCharWidth();
-}
-
-InterpResult Context::Run(State &Parent, Function *Func, APValue &Result) {
- InterpResult Flag;
- {
- InterpState State(Parent, *P, Stk, *this);
- State.Current = new InterpFrame(State, Func, nullptr, {}, {});
- if (Interpret(State, Result)) {
- Flag = InterpResult::Success;
- } else {
- Flag = InterpResult::Fail;
- }
- }
-
- if (Flag != InterpResult::Success)
- Stk.clear();
- return Flag;
-}
-
-InterpResult Context::Check(State &Parent, llvm::Expected<bool> &&R) {
- if (R) {
- return *R ? InterpResult::Success : InterpResult::Fail;
- } else if (ForceInterp) {
- handleAllErrors(R.takeError(), [&Parent](ByteCodeGenError &Err) {
- Parent.FFDiag(Err.getLoc(), diag::err_experimental_clang_interp_failed);
- });
- return InterpResult::Fail;
- } else {
- consumeError(R.takeError());
- return InterpResult::Bail;
- }
-}
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