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#pragma once
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "cps/AST.h"
#include <map>
#include <string>
#include <vector>
namespace cps {
struct ArrayMetadata {
int Rank;
llvm::Type* ElementType;
std::vector<llvm::Value*> LowerBounds;
std::vector<llvm::Value*> UpperBounds;
std::vector<llvm::Value*> Multipliers;
};
class CodeGen;
class ArrayHandler {
llvm::LLVMContext *TheContext;
llvm::IRBuilder<> *Builder;
llvm::Module *TheModule;
std::map<std::string, llvm::AllocaInst*> *NamedValues;
std::map<std::string, ArrayMetadata> ArrayTable;
llvm::FunctionCallee MallocFunc;
llvm::FunctionCallee FreeFunc;
llvm::Value* computeFlatIndex(const std::string &Name, const std::vector<llvm::Value*> &Indices);
void emitPrintLoop(const std::string &Name, int CurrentDim, std::vector<llvm::Value*> CurrentIndices, llvm::FunctionCallee PrintfFunc, llvm::Value* FmtStr);
public:
ArrayHandler(llvm::LLVMContext &C, llvm::IRBuilder<> &B, llvm::Module &M, std::map<std::string, llvm::AllocaInst*> &NV);
void setupExternalFunctions();
void emitArrayDeclare(ArrayDeclareStmtAST *Stmt, CodeGen &CG);
void emitArrayAssign(ArrayAssignStmtAST *Stmt, CodeGen &CG);
llvm::Value* emitArrayAccess(ArrayAccessExprAST *Expr, CodeGen &CG);
bool tryEmitArrayOutput(ExprAST *Expr, CodeGen &CG, llvm::FunctionCallee PrintfFunc, llvm::Value* FmtStr);
};
}
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