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#include "interp.h"
#include "parser.h"
#include "sexp.h"
int main() {
int ret = -1;
Interp interp;
Interp_init(&interp);
Parser_set_readline(interp.parser);
SExpRef sexp, res;
ParseResult parse_result;
while (1) {
parse_result = parse_sexp(interp.parser);
if (parse_result.errmsg != NULL) {
if (Parser_peek(interp.parser) == EOF) goto end;
fprintf(stderr, "Parsing error: %s", parse_result.errmsg);
free((void*)interp.parser->string);
Parser_set_readline(interp.parser);
continue;
}
res = lisp_eval(&interp, parse_result.val, false);
if (Interp_ref(&interp, res)->type == kErrSignal) {
fprintf(stderr, "Eval error: %s", Interp_ref(&interp, res)->str);
continue;
}
if (Interp_ref(&interp, res)->type == kBreakSignal
|| Interp_ref(&interp, res)->type == kContinueSignal
|| Interp_ref(&interp, res)->type == kReturnSignal) {
fprintf(stderr, "Eval error: unexpected control flow signal.\n");
continue;
}
lisp_print(&interp, res, stdout);
}
end:
Interp_free(&interp);
return 0;
}
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