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main.c
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main.c
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#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
#include "lib/mpc.h"
#include "grammar.h"
#include "lval.h"
#include "eval.h"
#include "lenv.h"
#ifdef _WIN32
#include <string.h>
static char buffer[2048];
char *linenoise(char *prompt) {
fputs(prompt, stdout);
fgets(buffer, 2048, stdin);
char *cpy = malloc(strlen(buffer) + 1);
strcpy(cpy, buffer);
cpy[strlen(cpy) - 1 = '\0'];
return cpy
}
void linenoiseHistoryAdd(char *unused) {}
#else
#include "lib/linenoise.h"
#endif
static char *input;
lenv *global;
int main(int argc, char **argv) {
mpc_parser_t *plisp = plisp_set_grammar();
puts("PLisp v.0.0.0.1."); //Pablo Lisp lol
puts("Press Ctrl-C to exit.");
global = new_lenv(128);
lenv_add_builtins(global);
while ((input = linenoise("mylsp> ")) != NULL) {
if (input[0] != '\0') {
mpc_result_t r;
linenoiseHistoryAdd(input);
if ((mpc_parse("<stdin>", input, plisp, &r))) {
lval *val = lval_eval(global, lval_read(r.output));
lval_println(val);
lval_del(val);
mpc_ast_delete(r.output);
} else {
mpc_err_print(r.error);
mpc_err_delete(r.error);
}
}
free(input);
}
lenv_del(global);
plisp_cleanup_grammar();
return 0;
}