main.cpp File Reference

#include "gsc/error.hpp"
#include "gsc/interpreter.hpp"
#include "gsc/parser.hpp"
#include "gsc/scanner.hpp"
#include "gsc/token.hpp"
#include <fstream>
#include <iostream>
#include <vector>

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Functions
void	runFile (std::string_view filename)
void	runPrompt ()
int	main (int argc, char *argv[])
std::string	readFile (std::string_view filename)
void	run (std::string_view program)

Variables
Interpreter	interpreter {}

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 15 of file main.cpp.

                                 {
  if (argc > 2) {
    std::cerr << "Usage: " << argv[0] << " [file.gsc]" << std::endl;
    std::exit(EXIT_FAILURE);
  } else if (argc == 2) {
    runFile(argv[1]);
  } else {
    runPrompt();
  }
}

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readFile()

std::string readFile

(

std::string_view

filename

)

Definition at line 26 of file main.cpp.

                                            {
  std::ifstream file(filename.data());
 
  if (!file) {
    std::cerr << "Could not open file: " << filename << std::endl;
    std::exit(EXIT_FAILURE);
  } else {
    std::string content{std::istreambuf_iterator<char>(file),
                        std::istreambuf_iterator<char>()};
    return content;
  }
}

run()

void run

(

std::string_view

program

)

Definition at line 39 of file main.cpp.

                                 {
  Scanner scanner{program};
  scanner.scanTokens();
  std::vector<Token> tokens = scanner.getTokens();
  Parser parser{tokens};
  std::vector<std::shared_ptr<Stmt>> statements = parser.parse();
 
  if (hadError) {
    std::cerr << "Error while parsing the program." << std::endl;
  } else {
    interpreter.interpret(statements);
  }
}

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runFile()

void runFile

(

std::string_view

filename

)

Definition at line 53 of file main.cpp.

                                      {
  std::string program = readFile(filename);
  run(program);
 
  if (hadError) {
    std::cerr << "Error while running file: " << filename << std::endl;
    std::exit(EXIT_FAILURE);
  } else if (hadRuntimeError) {
    std::cerr << "Runtime error occurred while running file: " << filename
              << std::endl;
    std::exit(EXIT_FAILURE);
  }
}

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runPrompt()

void runPrompt

(

)

Definition at line 67 of file main.cpp.

                 {
  while (true) {
    std::cout << ">> ";
    std::string line;
    if (!std::getline(std::cin, line)) {
      std::cout << std::endl;
      break;
    } else {
      run(line);
      hadError = false; // Reset error state for the next line
    }
  }
}

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Variable Documentation

interpreter

Interpreter interpreter {}

Definition at line 13 of file main.cpp.

{};