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py: Add MICROPY_ENABLE_COMPILER and MICROPY_PY_BUILTINS_EVAL_EXEC opts.

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MICROPY_ENABLE_COMPILER can be used to enable/disable the entire compiler,
which is useful when only loading of pre-compiled bytecode is supported.
It is enabled by default.

MICROPY_PY_BUILTINS_EVAL_EXEC controls support of eval and exec builtin
functions.  By default they are only included if MICROPY_ENABLE_COMPILER
is enabled.

Disabling both options saves about 40k of code size on 32-bit x86.
This commit is contained in:
Damien George
2015-12-18 12:35:44 +00:00
parent ab8012bd80
commit dd5353a405
12 changed files with 60 additions and 1 deletions
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12
py/builtinimport.c
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@@ -120,6 +120,7 @@ STATIC mp_import_stat_t find_file(const char *file_str, uint file_len, vstr_t *d
#endif
}
#if MICROPY_ENABLE_COMPILER
STATIC void do_load_from_lexer(mp_obj_t module_obj, mp_lexer_t *lex, const char *fname) {
if (lex == NULL) {
@@ -141,6 +142,7 @@ STATIC void do_load_from_lexer(mp_obj_t module_obj, mp_lexer_t *lex, const char
mp_obj_dict_t *mod_globals = mp_obj_module_get_globals(module_obj);
mp_parse_compile_execute(lex, MP_PARSE_FILE_INPUT, mod_globals, mod_globals);
}
#endif
#if MICROPY_PERSISTENT_CODE_LOAD
STATIC void do_execute_raw_code(mp_obj_t module_obj, mp_raw_code_t *raw_code) {
@@ -182,16 +184,24 @@ STATIC void do_execute_raw_code(mp_obj_t module_obj, mp_raw_code_t *raw_code) {
STATIC void do_load(mp_obj_t module_obj, vstr_t *file) {
// create the lexer
char *file_str = vstr_null_terminated_str(file);
#if MICROPY_PERSISTENT_CODE_LOAD
if (file_str[file->len - 3] == 'm') {
mp_raw_code_t *raw_code = mp_raw_code_load_file(file_str);
do_execute_raw_code(module_obj, raw_code);
} else
return;
}
#endif
#if MICROPY_ENABLE_COMPILER
{
mp_lexer_t *lex = mp_lexer_new_from_file(file_str);
do_load_from_lexer(module_obj, lex, file_str);
}
#else
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ImportError,
"script compilation not supported"));
#endif
}
STATIC void chop_component(const char *start, const char **end) {