windows: Make windows/main.c independent from unix/main.c

Up to know changes unix/main.c were able to break the windows
build because windows/main.c simply included unix/main.c.

Now windows/main.c stands on it's own and won't break if
unix/main.c changes.

windows/main.c

@@ -1,5 +1,239 @@
-#include "../unix/main.c"
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
 
-void rawsocket_init() {
-    // Do nothing here
-}
+#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 "compile.h"
+#include "runtime0.h"
+#include "runtime.h"
+#include "repl.h"
+
+#if MICROPY_USE_READLINE
+#include <readline/readline.h>
+#include <readline/history.h>
+#endif
+
+extern const mp_obj_fun_native_t mp_builtin_open_obj;
+void file_init();
+
+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;
+    }
+
+    qstr parse_exc_id;
+    const char *parse_exc_msg;
+    mp_parse_node_t pn = mp_parse(lex, input_kind, &parse_exc_id, &parse_exc_msg);
+
+    if (pn == MP_PARSE_NODE_NULL) {
+        // parse error
+        mp_lexer_show_error_pythonic_prefix(lex);
+        printf("%s: %s\n", qstr_str(parse_exc_id), parse_exc_msg);
+        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, is_repl);
+
+    if (module_fun == mp_const_none) {
+        // compile error
+        return;
+    }
+
+    // execute it
+    nlr_buf_t nlr;
+    if (nlr_push(&nlr) == 0) {
+        rt_call_function_0(module_fun);
+        nlr_pop();
+    } else {
+        // uncaught exception
+        mp_obj_print_exception((mp_obj_t)nlr.ret_val);
+    }
+}
+
+static char *str_join(const char *s1, int sep_char, const char *s2) {
+    int l1 = strlen(s1);
+    int l2 = strlen(s2);
+    char *s = m_new(char, l1 + l2 + 2);
+    memcpy(s, s1, l1);
+    if (sep_char != 0) {
+        s[l1] = sep_char;
+        l1 += 1;
+    }
+    memcpy(s + l1, s2, l2);
+    s[l1 + l2] = 0;
+    return s;
+}
+
+static char *prompt(char *p) {
+#if MICROPY_USE_READLINE
+    char *line = readline(p);
+    if (line) {
+        add_history(line);
+    }
+#else
+    static char buf[256];
+    fputs(p, stdout);
+    char *s = fgets(buf, sizeof(buf), stdin);
+    if (!s) {
+        return NULL;
+    }
+    int l = strlen(buf);
+    if (buf[l - 1] == '\n') {
+        buf[l - 1] = 0;
+    } else {
+        l++;
+    }
+    char *line = malloc(l);
+    memcpy(line, buf, l);
+#endif
+    return line;
+}
+
+static void do_repl(void) {
+    for (;;) {
+        char *line = prompt(">>> ");
+        if (line == NULL) {
+            // EOF
+            return;
+        }
+        if (mp_repl_is_compound_stmt(line)) {
+            for (;;) {
+                char *line2 = prompt("... ");
+                if (line2 == NULL || strlen(line2) == 0) {
+                    break;
+                }
+                char *line3 = str_join(line, '\n', line2);
+                free(line);
+                free(line2);
+                line = line3;
+            }
+        }
+
+        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line, strlen(line), false);
+        execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, true);
+        free(line);
+    }
+}
+
+static void do_file(const char *file) {
+    // hack: set dir for import based on where this file is
+    {
+        const char * s = strrchr(file, '\\');
+        if (s != NULL) {
+            int len = s - file;
+            char *dir = m_new(char, len + 1);
+            memcpy(dir, file, len);
+            dir[len] = '\0';
+            mp_import_set_directory(dir);
+        }
+    }
+
+    mp_lexer_t *lex = mp_lexer_new_from_file(file);
+    execute_from_lexer(lex, MP_PARSE_FILE_INPUT, false);
+}
+
+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);
+}
+
+int usage(void) {
+    printf("usage: py [-c <command>] [<filename>]\n");
+    return 1;
+}
+
+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;
+}
+
+int main(int argc, char **argv) {
+    qstr_init();
+    rt_init();
+
+    mp_obj_t m_sys = mp_obj_new_module(MP_QSTR_sys);
+    mp_obj_t py_argv = mp_obj_new_list(0, NULL);
+    rt_store_attr(m_sys, MP_QSTR_argv, py_argv);
+
+    rt_store_name(qstr_from_str("mem_info"), rt_make_function_n(0, mem_info));
+    rt_store_name(qstr_from_str("qstr_info"), rt_make_function_n(0, qstr_info));
+
+    file_init();
+
+    /*
+    printf("bytes:\n");
+    printf("    total %d\n", m_get_total_bytes_allocated());
+    printf("    cur   %d\n", m_get_current_bytes_allocated());
+    printf("    peak  %d\n", m_get_peak_bytes_allocated());
+    */
+
+    if (argc == 1) {
+        do_repl();
+    } else {
+        for (int a = 1; a < argc; a++) {
+            if (argv[a][0] == '-') {
+                if (strcmp(argv[a], "-c") == 0) {
+                    if (a + 1 >= argc) {
+                        return usage();
+                    }
+                    do_str(argv[a + 1]);
+                    a += 1;
+                } else {
+                    return usage();
+                }
+            } else {
+                for (int i = a; i < argc; i++) {
+                    rt_list_append(py_argv, MP_OBJ_NEW_QSTR(qstr_from_str(argv[i])));
+                }
+                do_file(argv[a]);
+                break;
+            }
+        }
+    }
+
+    rt_deinit();
+
+    //printf("total bytes = %d\n", m_get_total_bytes_allocated());
+    return 0;
+}
+
+// for sqrt
+#include <math.h>
+machine_float_t machine_sqrt(machine_float_t x) {
+    return sqrt(x);
+}