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usr / src / contrib / llvm-project / clang / lib / AST / Interp /

📁 ..
📄 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: InterpBlock.cpp

//===--- Block.cpp - Allocated blocks for the interpreter -------*- 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
//
//===----------------------------------------------------------------------===//
//
// Defines the classes describing allocated blocks.
//
//===----------------------------------------------------------------------===//

#include "InterpBlock.h"
#include "Pointer.h"

using namespace clang;
using namespace clang::interp;

void Block::addPointer(Pointer *P) {
  if (IsStatic)
    return;
  if (Pointers)
    Pointers->Prev = P;
  P->Next = Pointers;
  P->Prev = nullptr;
  Pointers = P;
}

void Block::removePointer(Pointer *P) {
  if (IsStatic)
    return;
  if (Pointers == P)
    Pointers = P->Next;
  if (P->Prev)
    P->Prev->Next = P->Next;
  if (P->Next)
    P->Next->Prev = P->Prev;
}

void Block::cleanup() {
  if (Pointers == nullptr && IsDead)
    (reinterpret_cast<DeadBlock *>(this + 1) - 1)->free();
}

void Block::movePointer(Pointer *From, Pointer *To) {
  if (IsStatic)
    return;
  To->Prev = From->Prev;
  if (To->Prev)
    To->Prev->Next = To;
  To->Next = From->Next;
  if (To->Next)
    To->Next->Prev = To;
  if (Pointers == From)
    Pointers = To;

From->Prev = nullptr;
  From->Next = nullptr;
}

DeadBlock::DeadBlock(DeadBlock *&Root, Block *Blk)
    : Root(Root), B(Blk->Desc, Blk->IsStatic, Blk->IsExtern, /*isDead=*/true) {
  // Add the block to the chain of dead blocks.
  if (Root)
    Root->Prev = this;

Next = Root;
  Prev = nullptr;
  Root = this;

// Transfer pointers.
  B.Pointers = Blk->Pointers;
  for (Pointer *P = Blk->Pointers; P; P = P->Next)
    P->Pointee = &B;
}

void DeadBlock::free() {
  if (Prev)
    Prev->Next = Next;
  if (Next)
    Next->Prev = Prev;
  if (Root == this)
    Root = Next;
  ::free(this);
}

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Editing: InterpBlock.cpp

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