54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "lexer.h"
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#include "lexerunix.h"
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#include "parse.h"
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#include "obj.h"
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#include "compile.h"
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#include "runtime0.h"
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#include "runtime.h"
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#include "map.h"
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#include "builtin.h"
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static mp_obj_t mp_builtin_eval(mp_obj_t o_in) {
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uint str_len;
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const byte *str = qstr_data(mp_obj_get_qstr(o_in), &str_len);
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// create the lexer
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mp_lexer_t *lex = mp_lexer_new_from_str_len("<string>", (const char*)str, str_len, 0);
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// parse the string
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qstr parse_exc_id;
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const char *parse_exc_msg;
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mp_parse_node_t pn = mp_parse(lex, MP_PARSE_EVAL_INPUT, &parse_exc_id, &parse_exc_msg);
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qstr source_name = mp_lexer_source_name(lex);
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mp_lexer_free(lex);
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if (pn == MP_PARSE_NODE_NULL) {
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// parse error; raise exception
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nlr_jump(mp_obj_new_exception_msg(parse_exc_id, parse_exc_msg));
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}
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// compile the string
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mp_obj_t module_fun = mp_compile(pn, source_name, false);
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if (module_fun == mp_const_none) {
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// TODO handle compile error correctly
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return mp_const_none;
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}
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// complied successfully, execute it
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return rt_call_function_0(module_fun);
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_eval_obj, mp_builtin_eval);
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