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#pragma once
#include "cps/Lexer.h"
#include "cps/AST.h"
#include <vector>
#include <memory>
#include <map>
#include <tuple>
namespace cps {
class Parser {
Lexer &Lex;
int CurTok;
std::map<int, int> BinopPrecedence;
int getNextToken();
int GetTokPrecedence();
std::unique_ptr<ExprAST> ParseExpression();
std::unique_ptr<ExprAST> ParseUnary();
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<ExprAST> ParseStringBuiltin(const std::string &FuncName);
std::unique_ptr<StmtAST> ParseStatement();
std::unique_ptr<StmtAST> ParseIfStmt();
std::unique_ptr<StmtAST> ParseWhileStmt();
std::unique_ptr<StmtAST> ParseRepeatStmt();
std::unique_ptr<StmtAST> ParseForStmt();
std::unique_ptr<StmtAST> ParseDeclare();
std::unique_ptr<StmtAST> ParseFunction();
std::unique_ptr<StmtAST> ParseProcedure();
std::unique_ptr<StmtAST> ParseCallStmt();
std::unique_ptr<StmtAST> ParseReturnStmt();
std::vector<std::tuple<std::string, std::string, bool>> ParsePrototypeArgs();
public:
Parser(Lexer &L);
std::vector<std::unique_ptr<StmtAST>> Parse();
};
} // namespace cps
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