c-repl/src/main.cpp
2023-12-15 14:52:46 +01:00

123 lines
3.8 KiB
C++

#include <cstring>
#include <iostream>
using namespace std;
#include "include/input.h"
#include "include/errors.h"
#include "include/colors.h"
#include "include/execute.h"
#include "include/memory.h"
void show_help(char* prog_name) {
printf("Usage: %s [OPTIONS]\n\n", prog_name);
printf("\t--help | -h\tAfficher cette aide\n");
printf("\t--tokens | -t\tAfficher les tokens lus\n");
printf("\t--ast | -a\tAfficher l'AST créé\n");
printf("\t--type-memory | -T\tAfficher le contenu de la mémoire de types avant exécution\n");
printf("\t--memory | -m\tAfficher le contenu de la mémoire après exécution\n");
}
void parse_args(int argc, char* argv[], bool &print_tokens, bool &print_ast, bool &dump_type_mem, bool &dump_mem, bool &help) {
int i=1;
while (i < argc) {
char* cur = argv[i];
int n = strlen(cur);
if (n >= 2 && cur[0] == '-' && cur[1] != '-') {
for (int j=1; j < n; j++) {
switch (cur[j]) {
case 'h':
help = true;
break;
case 't':
print_tokens = true;
break;
case 'a':
print_ast = true;
break;
case 'T':
dump_type_mem = true;
break;
case 'm':
dump_mem = true;
break;
default:
cerr << "Unknow argument: -" << cur[j] << endl;
}
}
} else if (!strcmp(cur, "--help")) {
help = true;
} else if (!strcmp(cur, "--tokens")) {
print_tokens = true;
} else if (!strcmp(cur, "--ast")) {
print_ast = true;
} else if (!strcmp(cur, "--type-memory")) {
dump_type_mem = true;
} else if (!strcmp(cur, "--memory")) {
dump_mem = true;
} else {
cerr << "Unknow argument: " << cur << endl;
}
i++;
}
}
int main(int argc, char* argv[]) {
bool print_tokens = false;
bool print_ast = false;
bool dump_type_mem = false;
bool dump_mem = false;
bool help = false;
parse_args(argc, argv, print_tokens, print_ast, dump_type_mem, dump_mem, help);
if (help) {
show_help(argv[0]);
return 0;
}
vector<string> input;
Memory memory;
while (true) {
try {
int initial_line = input.size();
input = get_input(input);
ExecArgs args = {
print_tokens=print_tokens,
print_ast=print_ast,
dump_type_mem=dump_type_mem,
dump_mem=dump_mem,
};
EvalResult res = execute(input, memory, initial_line, args);
if ((print_tokens || print_ast || dump_type_mem || dump_mem) &&
(holds_alternative<int>(res) || holds_alternative<double>(res))) {
cout << BOLD BLUE " === RESULT ===" RESET << endl;
}
if (holds_alternative<int>(res)) {
cout << get<int>(res) << endl;
}
else if (holds_alternative<double>(res)) {
cout << get<double>(res) << endl;
}
} catch (const SyntaxError& e) {
print_error_position(input, e.pos);
cout << BOLD RED "Syntax Error: " RESET << e.what() << endl;
} catch (const TypeError& e) {
print_error_position(input, e.pos);
cout << BOLD RED "Type Error: " RESET << e.what() << endl;
} catch (const RuntimeError& e) {
print_error_position(input, e.pos);
cout << BOLD RED "Runtime Error: " RESET << e.what() << endl;
}
cout << endl;
}
}