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main.c

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  • main.c 7.30 KiB
    #include <stdint.h>
    #include <stdio.h>
    #include <string.h>
    
    #include "py/nlr.h"
    #include "py/compile.h"
    #include "py/runtime.h"
    #include "py/repl.h"
    #include "py/gc.h"
    #include "py/mperrno.h"
    #include "lib/utils/pyexec.h"
    
    #if MICROPY_ENABLE_COMPILER
    void do_str(const char *src, mp_parse_input_kind_t input_kind) {
        nlr_buf_t nlr;
        if (nlr_push(&nlr) == 0) {
            mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
            qstr source_name = lex->source_name;
            mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
            mp_obj_t module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, true);
            mp_call_function_0(module_fun);
            nlr_pop();
        } else {
            // uncaught exception
            mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
        }
    }
    #endif
    
    static char *stack_top;
    static char heap[2048];
    
    int main(int argc, char **argv) {
        int stack_dummy;
        stack_top = (char*)&stack_dummy;
    
        #if MICROPY_ENABLE_GC
        gc_init(heap, heap + sizeof(heap));
        #endif
        mp_init();
        #if MICROPY_ENABLE_COMPILER
        #if MICROPY_REPL_EVENT_DRIVEN
        pyexec_event_repl_init();
        for (;;) {
            int c = mp_hal_stdin_rx_chr();
            if (pyexec_event_repl_process_char(c)) {
                break;
            }
        }
        #else
        pyexec_friendly_repl();
        #endif
        //do_str("print('hello world!', list(x+1 for x in range(10)), end='eol\\n')", MP_PARSE_SINGLE_INPUT);
        //do_str("for i in range(10):\r\n  print(i)", MP_PARSE_FILE_INPUT);
        #else
        pyexec_frozen_module("frozentest.py");
        #endif
        mp_deinit();
        return 0;
    }
    
    void gc_collect(void) {
        // WARNING: This gc_collect implementation doesn't try to get root
        // pointers from CPU registers, and thus may function incorrectly.
        void *dummy;
        gc_collect_start();
        gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
        gc_collect_end();
        gc_dump_info();
    }