1 files changed, 127 insertions, 0 deletions
diff --git a/cortex-m3-qemu/main.c b/cortex-m3-qemu/main.c
new file mode 100644
index 0000000000..d0e96f8832
--- /dev/null
+++ b/cortex-m3-qemu/main.c
@@ -0,0 +1,127 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "nlr.h"
+#include "misc.h"
+#include "mpconfig.h"
+#include "qstr.h"
+#include "lexer.h"
+#include "lexerunix.h"
+#include "parse.h"
+#include "obj.h"
+#include "parsehelper.h"
+#include "compile.h"
+#include "runtime0.h"
+#include "runtime.h"
+#include "repl.h"
+#include "gc.h"
+
+mp_obj_t mem_info(void) {
+    printf("mem: total=%d, current=%d, peak=%d\n", m_get_total_bytes_allocated(), m_get_current_bytes_allocated(), m_get_peak_bytes_allocated());
+    return mp_const_none;
+}
+
+mp_obj_t qstr_info(void) {
+    uint n_pool, n_qstr, n_str_data_bytes, n_total_bytes;
+    qstr_pool_info(&n_pool, &n_qstr, &n_str_data_bytes, &n_total_bytes);
+    printf("qstr pool: n_pool=%u, n_qstr=%u, n_str_data_bytes=%u, n_total_bytes=%u\n", n_pool, n_qstr, n_str_data_bytes, n_total_bytes);
+    return mp_const_none;
+}
+
+static void execute_from_lexer(mp_lexer_t *lex, mp_parse_input_kind_t input_kind, bool is_repl) {
+    if (lex == NULL) {
+        return;
+    }
+
+    if (0) {
+        // just tokenise
+        while (!mp_lexer_is_kind(lex, MP_TOKEN_END)) {
+            mp_token_show(mp_lexer_cur(lex));
+            mp_lexer_to_next(lex);
+        }
+        mp_lexer_free(lex);
+        return;
+    }
+
+    mp_parse_error_kind_t parse_error_kind;
+    mp_parse_node_t pn = mp_parse(lex, input_kind, &parse_error_kind);
+
+    if (pn == MP_PARSE_NODE_NULL) {
+        // parse error
+        mp_parse_show_exception(lex, parse_error_kind);
+        mp_lexer_free(lex);
+        return;
+    }
+
+    qstr source_name = mp_lexer_source_name(lex);
+    mp_lexer_free(lex);
+
+    /*
+    printf("----------------\n");
+    mp_parse_node_print(pn, 0);
+    printf("----------------\n");
+    */
+
+    mp_obj_t module_fun = mp_compile(pn, source_name, MP_EMIT_OPT_ASM_THUMB, is_repl);
+
+    if (module_fun == mp_const_none) {
+        // compile error
+        return;
+    }
+
+    // execute it
+    nlr_buf_t nlr;
+    if (nlr_push(&nlr) == 0) {
+        mp_call_function_0(module_fun);
+        nlr_pop();
+    } else {
+        // uncaught exception
+        mp_obj_print_exception((mp_obj_t)nlr.ret_val);
+    }
+}
+
+mp_import_stat_t mp_import_stat(const char *path) {
+    struct stat st;
+    if (stat(path, &st) == 0) {
+        if (S_ISDIR(st.st_mode)) {
+            return MP_IMPORT_STAT_DIR;
+        } else if (S_ISREG(st.st_mode)) {
+            return MP_IMPORT_STAT_FILE;
+        }
+    }
+    return MP_IMPORT_STAT_NO_EXIST;
+}
+
+static void do_str(const char *str) {
+    mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, str, strlen(str), false);
+    execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, false);
+}
+
+void nlr_jump_fail(void *val) {
+    printf("FATAL: uncaught exception %p\n", val);
+    //__fatal_error("");
+}
+
+mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
+  return NULL;
+}
+
+int main() {
+    qstr_init();
+    mp_init();
+    
+    //mp_obj_t m_sys = mp_obj_new_module(MP_QSTR_sys);
+    //mp_obj_t py_argv = mp_obj_new_list(0, NULL);
+    //mp_store_attr(m_sys, MP_QSTR_argv, py_argv);
+    
+    mp_store_name(qstr_from_str("mem_info"), mp_make_function_n(0, mem_info));
+    mp_store_name(qstr_from_str("qstr_info"), mp_make_function_n(0, qstr_info));
+    
+    do_str("print(123)");
+}