mirror of
https://github.com/licsber/micropython.git
synced 2024-09-20 09:00:23 +08:00
58e0f4ac50
With this patch parse nodes are allocated sequentially in chunks. This reduces fragmentation of the heap and prevents waste at the end of individually allocated parse nodes. Saves roughly 20% of RAM during parse stage.
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <malloc.h>
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#include "py/nlr.h"
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#include "py/obj.h"
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#include "py/compile.h"
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#include "py/runtime0.h"
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#include "py/runtime.h"
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#include "py/stackctrl.h"
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#include "py/gc.h"
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#include "py/repl.h"
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#include "tinytest.h"
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#include "tinytest_macros.h"
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void do_str(const char *src);
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inline void do_str(const char *src) {
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mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
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if (lex == NULL) {
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tt_abort_msg("Lexer initialization error");
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}
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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qstr source_name = lex->source_name;
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mp_parse_tree_t parse_tree = mp_parse(lex, MP_PARSE_FILE_INPUT);
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mp_obj_t module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, true);
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mp_call_function_0(module_fun);
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nlr_pop();
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} else {
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mp_obj_t exc = (mp_obj_t)nlr.ret_val;
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if (mp_obj_is_subclass_fast(mp_obj_get_type(exc), &mp_type_SystemExit)) {
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// Assume that sys.exit() is called to skip the test.
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// TODO: That can be always true, we should set up convention to
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// use specific exit code as skip indicator.
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tinytest_set_test_skipped_();
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return;
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}
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mp_obj_print_exception(&mp_plat_print, exc);
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tt_abort_msg("Uncaught exception");
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}
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end:
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;
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}
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#include "genhdr/tests.h"
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int main() {
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const char a[] = {"sim"};
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mp_stack_set_limit(10240);
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void *heap = malloc(256 * 1024);
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gc_init(heap, (char*)heap + 256 * 1024);
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mp_init();
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int r = tinytest_main(1, (const char **) a, groups);
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mp_deinit();
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printf( "status: %i\n", r);
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return r;
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}
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void gc_collect(void) {
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gc_collect_start();
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// get the registers and the sp
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jmp_buf env;
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setjmp(env);
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volatile mp_uint_t dummy;
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void *sp = (void*)&dummy;
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// trace the stack, including the registers (since they live on the stack in this function)
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gc_collect_root((void**)sp, ((uint32_t)MP_STATE_VM(stack_top) - (uint32_t)sp) / sizeof(uint32_t));
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gc_collect_end();
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}
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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return NULL;
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}
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mp_import_stat_t mp_import_stat(const char *path) {
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return MP_IMPORT_STAT_NO_EXIST;
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}
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mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
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void nlr_jump_fail(void *val) {
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}
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