diff options
Diffstat (limited to 'py/builtineval.c')
-rw-r--r-- | py/builtineval.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/py/builtineval.c b/py/builtineval.c new file mode 100644 index 0000000000..a8a7a476a3 --- /dev/null +++ b/py/builtineval.c @@ -0,0 +1,50 @@ +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <string.h> +#include <assert.h> + +#include "nlr.h" +#include "misc.h" +#include "mpconfig.h" +#include "lexer.h" +#include "lexerunix.h" +#include "parse.h" +#include "obj.h" +#include "compile.h" +#include "runtime0.h" +#include "runtime.h" +#include "map.h" +#include "builtin.h" + +static mp_obj_t mp_builtin_eval(mp_obj_t o_in) { + const char *str = qstr_str(mp_obj_get_qstr(o_in)); + + // create the lexer + mp_lexer_t *lex = mp_lexer_new_from_str_len("<string>", str, strlen(str), 0); + + // parse the string + qstr parse_exc_id; + const char *parse_exc_msg; + mp_parse_node_t pn = mp_parse(lex, MP_PARSE_EVAL_INPUT, &parse_exc_id, &parse_exc_msg); + mp_lexer_free(lex); + + if (pn == MP_PARSE_NODE_NULL) { + // parse error; raise exception + nlr_jump(mp_obj_new_exception_msg(parse_exc_id, parse_exc_msg)); + } + + // compile the string + mp_obj_t module_fun = mp_compile(pn, false); + + if (module_fun == mp_const_none) { + // TODO handle compile error correctly + return mp_const_none; + } + + // complied successfully, execute it + return rt_call_function_0(module_fun); +} + +MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_eval_obj, mp_builtin_eval); |