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#pragma once
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include <map>
#include <string>
namespace cps {
class StringHandler {
llvm::LLVMContext &Context;
llvm::IRBuilder<> &Builder;
llvm::Module &Module;
std::map<std::string, llvm::Value*> &NamedValues;
llvm::FunctionCallee MallocFunc;
llvm::FunctionCallee FreeFunc;
llvm::FunctionCallee StrLenFunc;
llvm::FunctionCallee MemCpyFunc;
llvm::FunctionCallee ToUpperFunc;
llvm::FunctionCallee ToLowerFunc;
public:
StringHandler(llvm::LLVMContext &Ctx, llvm::IRBuilder<> &B, llvm::Module &M,
std::map<std::string, llvm::Value*> &NV);
void setupExternalFunctions();
void emitDeclare(const std::string &Name);
llvm::Value *createLiteral(const std::string &Val);
llvm::Value *emitLength(llvm::Value *Str);
llvm::Value *emitMid(llvm::Value *Str, llvm::Value *Start, llvm::Value *Len);
llvm::Value *emitRight(llvm::Value *Str, llvm::Value *Len);
llvm::Value *emitLeft(llvm::Value *Str, llvm::Value *Len);
llvm::Value *emitLCase(llvm::Value *Str);
llvm::Value *emitUCase(llvm::Value *Str);
};
}
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