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📄 Boolean.h(4.12 KB)
📄 ByteCodeEmitter.cpp(5.38 KB)
📄 ByteCodeEmitter.h(3.13 KB)
📄 ByteCodeExprGen.cpp(16.6 KB)
📄 ByteCodeExprGen.h(10.2 KB)
📄 ByteCodeGenError.cpp(483 B)
📄 ByteCodeGenError.h(1.36 KB)
📄 ByteCodeStmtGen.cpp(7.21 KB)
📄 ByteCodeStmtGen.h(2.39 KB)
📄 Context.cpp(3.28 KB)
📄 Context.h(2.39 KB)
📄 Descriptor.cpp(10.31 KB)
📄 Descriptor.h(7.82 KB)
📄 Disasm.cpp(1.95 KB)
📄 EvalEmitter.cpp(7.6 KB)
📄 EvalEmitter.h(3.7 KB)
📄 Frame.cpp(464 B)
📄 Frame.h(1.28 KB)
📄 Function.cpp(1.73 KB)
📄 Function.h(4.91 KB)
📄 Integral.h(8.38 KB)
📄 Interp.cpp(11.54 KB)
📄 Interp.h(30.64 KB)
📄 InterpBlock.cpp(1.91 KB)
📄 InterpBlock.h(4.11 KB)
📄 InterpFrame.cpp(5.32 KB)
📄 InterpFrame.h(4.54 KB)
📄 InterpStack.cpp(1.81 KB)
📄 InterpStack.h(3.43 KB)
📄 InterpState.cpp(2.03 KB)
📄 InterpState.h(3.29 KB)
📄 Opcode.h(817 B)
📄 Opcodes.td(11.02 KB)
📄 Pointer.cpp(4.97 KB)
📄 Pointer.h(11.08 KB)
📄 PrimType.cpp(648 B)
📄 PrimType.h(4.66 KB)
📄 Program.cpp(11.29 KB)
📄 Program.h(6.66 KB)
📄 Record.cpp(1.54 KB)
📄 Record.h(3.76 KB)
📄 Source.cpp(1.15 KB)
📄 Source.h(3.25 KB)
📄 State.cpp(5.34 KB)
📄 State.h(4.01 KB)

Editing: InterpState.cpp

//===--- InterpState.cpp - Interpreter 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 "InterpState.h"
#include <limits>
#include "Function.h"
#include "InterpFrame.h"
#include "InterpStack.h"
#include "Opcode.h"
#include "PrimType.h"
#include "Program.h"
#include "State.h"

using namespace clang;
using namespace clang::interp;

using APSInt = llvm::APSInt;

InterpState::InterpState(State &Parent, Program &P, InterpStack &Stk,
                         Context &Ctx, SourceMapper *M)
    : Parent(Parent), M(M), P(P), Stk(Stk), Ctx(Ctx), Current(nullptr),
      CallStackDepth(Parent.getCallStackDepth() + 1) {}

InterpState::~InterpState() {
  while (Current) {
    InterpFrame *Next = Current->Caller;
    delete Current;
    Current = Next;
  }

while (DeadBlocks) {
    DeadBlock *Next = DeadBlocks->Next;
    free(DeadBlocks);
    DeadBlocks = Next;
  }
}

Frame *InterpState::getCurrentFrame() {
  if (Current && Current->Caller) {
    return Current;
  } else {
    return Parent.getCurrentFrame();
  }
}

bool InterpState::reportOverflow(const Expr *E, const llvm::APSInt &Value) {
  QualType Type = E->getType();
  CCEDiag(E, diag::note_constexpr_overflow) << Value << Type;
  return noteUndefinedBehavior();
}

void InterpState::deallocate(Block *B) {
  Descriptor *Desc = B->getDescriptor();
  if (B->hasPointers()) {
    size_t Size = B->getSize();

// Allocate a new block, transferring over pointers.
    char *Memory = reinterpret_cast<char *>(malloc(sizeof(DeadBlock) + Size));
    auto *D = new (Memory) DeadBlock(DeadBlocks, B);

// Move data from one block to another.
    if (Desc->MoveFn)
      Desc->MoveFn(B, B->data(), D->data(), Desc);
  } else {
    // Free storage, if necessary.
    if (Desc->DtorFn)
      Desc->DtorFn(B, B->data(), Desc);
  }
}

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Editing: InterpState.cpp

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