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-rw-r--r--stm/pyexec.c318
1 files changed, 0 insertions, 318 deletions
diff --git a/stm/pyexec.c b/stm/pyexec.c
deleted file mode 100644
index 00d5f0bdad..0000000000
--- a/stm/pyexec.c
+++ /dev/null
@@ -1,318 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "mpconfig.h"
-#include "nlr.h"
-#include "misc.h"
-#include "qstr.h"
-#include "misc.h"
-#include "lexer.h"
-#include "parse.h"
-#include "obj.h"
-#include "parsehelper.h"
-#include "compile.h"
-#include "runtime.h"
-#include "repl.h"
-#include "gc.h"
-#include "gccollect.h"
-#include "systick.h"
-#include "pyexec.h"
-#include "storage.h"
-#include "usb.h"
-#include "usart.h"
-
-static bool repl_display_debugging_info = 0;
-
-void stdout_tx_str(const char *str) {
- if (pyb_usart_global_debug != PYB_USART_NONE) {
- usart_tx_str(pyb_usart_global_debug, str);
- }
-#if defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
- lcd_print_str(str);
-#endif
- usb_vcp_send_str(str);
-}
-
-int stdin_rx_chr(void) {
- for (;;) {
-#ifdef USE_HOST_MODE
- pyb_usb_host_process();
- int c = pyb_usb_host_get_keyboard();
- if (c != 0) {
- return c;
- }
-#endif
- if (usb_vcp_rx_any() != 0) {
- return usb_vcp_rx_get();
- } else if (pyb_usart_global_debug != PYB_USART_NONE && usart_rx_any(pyb_usart_global_debug)) {
- return usart_rx_char(pyb_usart_global_debug);
- }
- sys_tick_delay_ms(1);
- if (storage_needs_flush()) {
- storage_flush();
- }
- }
-}
-
-char *str_dup(const char *str) {
- uint32_t len = strlen(str);
- char *s2 = m_new(char, len + 1);
- memcpy(s2, str, len);
- s2[len] = 0;
- return s2;
-}
-
-#define READLINE_HIST_SIZE (8)
-
-static const char *readline_hist[READLINE_HIST_SIZE] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
-
-int readline(vstr_t *line, const char *prompt) {
- stdout_tx_str(prompt);
- int len = vstr_len(line);
- int escape = 0;
- int hist_num = 0;
- for (;;) {
- int c = stdin_rx_chr();
- if (escape == 0) {
- if (VCP_CHAR_CTRL_A <= c && c <= VCP_CHAR_CTRL_D && vstr_len(line) == len) {
- return c;
- } else if (c == '\r') {
- stdout_tx_str("\r\n");
- for (int i = READLINE_HIST_SIZE - 1; i > 0; i--) {
- readline_hist[i] = readline_hist[i - 1];
- }
- readline_hist[0] = str_dup(vstr_str(line));
- return 0;
- } else if (c == 27) {
- escape = true;
- } else if (c == 127) {
- if (vstr_len(line) > len) {
- vstr_cut_tail_bytes(line, 1);
- stdout_tx_str("\b \b");
- }
- } else if (32 <= c && c <= 126) {
- vstr_add_char(line, c);
- stdout_tx_str(line->buf + line->len - 1);
- }
- } else if (escape == 1) {
- if (c == '[') {
- escape = 2;
- } else {
- escape = 0;
- }
- } else if (escape == 2) {
- escape = 0;
- if (c == 'A') {
- // up arrow
- if (hist_num < READLINE_HIST_SIZE && readline_hist[hist_num] != NULL) {
- // erase line
- for (int i = line->len - len; i > 0; i--) {
- stdout_tx_str("\b \b");
- }
- // set line to history
- line->len = len;
- vstr_add_str(line, readline_hist[hist_num]);
- // draw line
- stdout_tx_str(readline_hist[hist_num]);
- // increase hist num
- hist_num += 1;
- }
- }
- } else {
- escape = 0;
- }
- sys_tick_delay_ms(1);
- }
-}
-
-// parses, compiles and executes the code in the lexer
-// frees the lexer before returning
-bool parse_compile_execute(mp_lexer_t *lex, mp_parse_input_kind_t input_kind, bool is_repl) {
- mp_parse_error_kind_t parse_error_kind;
- mp_parse_node_t pn = mp_parse(lex, input_kind, &parse_error_kind);
- qstr source_name = mp_lexer_source_name(lex);
-
- if (pn == MP_PARSE_NODE_NULL) {
- // parse error
- mp_parse_show_exception(lex, parse_error_kind);
- mp_lexer_free(lex);
- return false;
- }
-
- mp_lexer_free(lex);
-
- mp_obj_t module_fun = mp_compile(pn, source_name, MP_EMIT_OPT_NONE, is_repl);
- mp_parse_node_free(pn);
-
- if (module_fun == mp_const_none) {
- return false;
- }
-
- nlr_buf_t nlr;
- bool ret;
- uint32_t start = sys_tick_counter;
- if (nlr_push(&nlr) == 0) {
- usb_vcp_set_interrupt_char(VCP_CHAR_CTRL_C); // allow ctrl-C to interrupt us
- mp_call_function_0(module_fun);
- usb_vcp_set_interrupt_char(VCP_CHAR_NONE); // disable interrupt
- nlr_pop();
- ret = true;
- } else {
- // uncaught exception
- // FIXME it could be that an interrupt happens just before we disable it here
- usb_vcp_set_interrupt_char(VCP_CHAR_NONE); // disable interrupt
- mp_obj_print_exception((mp_obj_t)nlr.ret_val);
- ret = false;
- }
-
- // display debugging info if wanted
- if (is_repl && repl_display_debugging_info) {
- uint32_t ticks = sys_tick_counter - start; // TODO implement a function that does this properly
- printf("took %lu ms\n", ticks);
- gc_collect();
- // qstr info
- {
- 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:\n n_pool=%u\n n_qstr=%u\n n_str_data_bytes=%u\n n_total_bytes=%u\n", n_pool, n_qstr, n_str_data_bytes, n_total_bytes);
- }
-
- // GC info
- {
- gc_info_t info;
- gc_info(&info);
- printf("GC:\n");
- printf(" %lu total\n", info.total);
- printf(" %lu : %lu\n", info.used, info.free);
- printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
- }
- }
-
- return ret;
-}
-
-void pyexec_raw_repl(void) {
- vstr_t line;
- vstr_init(&line, 32);
-
-raw_repl_reset:
- stdout_tx_str("raw REPL; CTRL-C to exit\r\n");
-
- for (;;) {
- vstr_reset(&line);
- stdout_tx_str(">");
- for (;;) {
- char c = stdin_rx_chr();
- if (c == VCP_CHAR_CTRL_A) {
- goto raw_repl_reset;
- } else if (c == VCP_CHAR_CTRL_C) {
- vstr_reset(&line);
- break;
- } else if (c == VCP_CHAR_CTRL_D) {
- break;
- } else if (c == '\r') {
- vstr_add_char(&line, '\n');
- } else if (32 <= c && c <= 126) {
- vstr_add_char(&line, c);
- }
- }
-
- stdout_tx_str("OK");
-
- if (vstr_len(&line) == 0) {
- // finished
- break;
- }
-
- mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr_str(&line), vstr_len(&line), 0);
- parse_compile_execute(lex, MP_PARSE_FILE_INPUT, false);
-
- stdout_tx_str("\004");
- }
-
- vstr_clear(&line);
- stdout_tx_str("\r\n");
-}
-
-void pyexec_repl(void) {
-#if defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
- // in host mode, we enable the LCD for the repl
- mp_obj_t lcd_o = mp_call_function_0(mp_load_name(qstr_from_str("LCD")));
- mp_call_function_1(mp_load_attr(lcd_o, qstr_from_str("light")), mp_const_true);
-#endif
-
- stdout_tx_str("Micro Python build <git hash> on 25/1/2014; " MICROPY_HW_BOARD_NAME " with STM32F405RG\r\n");
- stdout_tx_str("Type \"help()\" for more information.\r\n");
-
- // to test ctrl-C
- /*
- {
- uint32_t x[4] = {0x424242, 0xdeaddead, 0x242424, 0xdeadbeef};
- for (;;) {
- nlr_buf_t nlr;
- printf("pyexec_repl: %p\n", x);
- usb_vcp_set_interrupt_char(VCP_CHAR_CTRL_C);
- if (nlr_push(&nlr) == 0) {
- for (;;) {
- }
- } else {
- printf("break\n");
- }
- }
- }
- */
-
- vstr_t line;
- vstr_init(&line, 32);
-
- for (;;) {
- vstr_reset(&line);
- int ret = readline(&line, ">>> ");
-
- if (ret == VCP_CHAR_CTRL_A) {
- pyexec_raw_repl();
- continue;
- } else if (ret == VCP_CHAR_CTRL_C) {
- stdout_tx_str("\r\n");
- continue;
- } else if (ret == VCP_CHAR_CTRL_D) {
- // EOF
- break;
- } else if (vstr_len(&line) == 0) {
- continue;
- }
-
- while (mp_repl_continue_with_input(vstr_str(&line))) {
- vstr_add_char(&line, '\n');
- int ret = readline(&line, "... ");
- if (ret == VCP_CHAR_CTRL_D) {
- // stop entering compound statement
- break;
- }
- }
-
- mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr_str(&line), vstr_len(&line), 0);
- parse_compile_execute(lex, MP_PARSE_SINGLE_INPUT, true);
- }
-
- stdout_tx_str("\r\n");
-}
-
-bool pyexec_file(const char *filename) {
- mp_lexer_t *lex = mp_lexer_new_from_file(filename);
-
- if (lex == NULL) {
- printf("could not open file '%s' for reading\n", filename);
- return false;
- }
-
- return parse_compile_execute(lex, MP_PARSE_FILE_INPUT, false);
-}
-
-mp_obj_t pyb_set_repl_info(mp_obj_t o_value) {
- repl_display_debugging_info = mp_obj_get_int(o_value);
- return mp_const_none;
-}
-
-MP_DEFINE_CONST_FUN_OBJ_1(pyb_set_repl_info_obj, pyb_set_repl_info);