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step: save progress with mpc integration

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NunoSempere 2023-04-30 00:47:58 -04:00
parent e9a6558d4b
commit c3720d0951
2 changed files with 17 additions and 6 deletions
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mumble
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src/mumble.c
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@ -7,14 +7,14 @@
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
puts("Mumble version 0.0.1\n"); puts("Mumble version 0.0.2\n");
puts("Press Ctrl+C/Ctrl+D to exit\n"); puts("Press Ctrl+C/Ctrl+D to exit\n");
/* Create Some Parsers */ /* Create Some Parsers */
mpc_parser_t* Number = mpc_new("number"); mpc_parser_t* Number = mpc_new("number");
mpc_parser_t* Operator = mpc_new("operator"); mpc_parser_t* Operator = mpc_new("operator");
mpc_parser_t* Expr = mpc_new("expr"); mpc_parser_t* Expr = mpc_new("expr");
mpc_parser_t* Lispy = mpc_new("lispy"); mpc_parser_t* Mumble = mpc_new("mumble");
/* Define them with the following Language */ /* Define them with the following Language */
mpca_lang(MPCA_LANG_DEFAULT, mpca_lang(MPCA_LANG_DEFAULT,
@ -22,9 +22,9 @@ int main(int argc, char** argv)
number : /-?[0-9]+/ ; \ number : /-?[0-9]+/ ; \
operator : '+' | '-' | '*' | '/' ; \ operator : '+' | '-' | '*' | '/' ; \
expr : <number> | '(' <operator> <expr>+ ')' ; \ expr : <number> | '(' <operator> <expr>+ ')' ; \
lispy : /^/ <operator> <expr>+ /$/ ; \ mumble : /^/ <operator> <expr>+ /$/ ; \
", ",
Number, Operator, Expr, Lispy); Number, Operator, Expr, Mumble);
int loop = 1; int loop = 1;
while (loop) { while (loop) {
@ -34,7 +34,18 @@ int main(int argc, char** argv)
loop = 0; loop = 0;
puts(""); puts("");
} else { } else {
printf("Did you say \"%s\"?\n", input); /* Attempt to Parse the user Input */
mpc_result_t r;
if (mpc_parse("<stdin>", input, Mumble, &r)) {
/* On Success Print the AST */
mpc_ast_print(r.output);
mpc_ast_delete(r.output);
} else {
/* Otherwise Print the Error */
mpc_err_print(r.error);
mpc_err_delete(r.error);
}
// printf("Did you say \"%s\"?\n", input);
add_history(input); add_history(input);
// can't add if input is NULL // can't add if input is NULL
} }
@ -42,7 +53,7 @@ int main(int argc, char** argv)
} }
/* Undefine and Delete our Parsers */ /* Undefine and Delete our Parsers */
mpc_cleanup(4, Number, Operator, Expr, Lispy); mpc_cleanup(4, Number, Operator, Expr, Mumble);
return 0; return 0;
} }