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#pragma once
#include "cps/Lexer.h"
#include "cps/AST.h"
#include <vector>
#include <memory>
#include <map>
namespace cps {
class Parser {
Lexer &Lex;
int CurTok;
std::map<char, int> BinopPrecedence;
int getNextToken();
int GetTokPrecedence();
std::unique_ptr<ExprAST> ParseExpression();
std::unique_ptr<ExprAST> ParsePrimary();
std::unique_ptr<ExprAST> ParseBinOpRHS(int ExprPrec, std::unique_ptr<ExprAST> LHS);
std::unique_ptr<ExprAST> ParseNumberExpr();
std::unique_ptr<ExprAST> ParseIdentifierExpr();
std::unique_ptr<ExprAST> ParseParenExpr();
std::unique_ptr<StmtAST> ParseStatement();
std::unique_ptr<StmtAST> ParseIfStmt();
public:
Parser(Lexer &L);
std::vector<std::unique_ptr<StmtAST>> Parse();
};
} // namespace cps
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