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#pragma once
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Module.h"
namespace cps {
class TypeSystem;
class RuntimeCheck;
class ExceptionHandler;
// Explicit memory builtins and keyword NEW own entries in this allocation list.
// Internal STRING/ARRAY storage retains its existing lifetime rules.
class MemoryHandler {
llvm::LLVMContext &Context;
llvm::IRBuilder<> &Builder;
llvm::Module &Module;
TypeSystem &Types;
RuntimeCheck &Checker;
ExceptionHandler &Exceptions;
llvm::IntegerType *SizeTy = nullptr;
llvm::StructType *NodeTy = nullptr;
llvm::GlobalVariable *Head = nullptr;
llvm::FunctionCallee Malloc, Free, Realloc;
llvm::Function *AllocateFn = nullptr, *ReleaseFn = nullptr, *FindFn = nullptr,
*ResizeFn = nullptr;
llvm::Value *AllocationError = nullptr, *TrackingError = nullptr, *InvalidAddress = nullptr;
void ensureRuntime();
llvm::Function *createHelper(const char *Name, llvm::ArrayRef<llvm::Type *> Args);
void buildFind();
void buildAllocate();
void buildRelease();
void buildResize();
public:
MemoryHandler(llvm::LLVMContext &C, llvm::IRBuilder<> &B, llvm::Module &M,
TypeSystem &TS, RuntimeCheck &RC, ExceptionHandler &EH)
: Context(C), Builder(B), Module(M), Types(TS), Checker(RC), Exceptions(EH) {}
llvm::Value *emitAllocate(llvm::Value *Size, int Line);
void emitValidate(llvm::Value *Address, int Line);
llvm::Value *emitRelease(llvm::Value *Address, int Line);
llvm::Value *emitResize(llvm::Value *Address, llvm::Value *Size, int Line);
};
} // namespace cps
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