parser.h

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#ifndef PARSER_H
#define PARSER_H
 
#include <iostream>
#include <stack>
#include <vector>
 
#include "../ast/ast.h"
#include "../generator/generator.h"
#include "../shared/enums.h"
#include "../shared/globalStructs.h"
 
class Parser {
   private:
    int tokenIndex;                 // Index of the current token being processed
    std::vector<Token> tokens;      // Vector holding the sequence of tokens to be parsed
    std::shared_ptr<Node> AST;      // The root of the abstract syntax tree (AST)
    std::stack<Call*> currentCall;  // Stack to track the number of conditionals within a function call, enabling accurate counting of PATH parameters for that function.
 
    void match(int symbol);
 
    std::shared_ptr<Node> parse_CODE();
 
    std::shared_ptr<Node> parse_STATEMENT();
 
    std::shared_ptr<Node> parse_IFPARAM();
 
    std::shared_ptr<Node> parse_ELSE();
 
   public:
    Parser() {
        tokenIndex = 0;
        AST = nullptr;
        currentCall = std::stack<Call*>();
    }
 
    void setTokens(std::vector<Token> _tokens);
 
    void parse();
 
    std::shared_ptr<Node> getAST();
};
 
#endif