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unix/main: Use standard pyexec/repl for unix port.
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This improves repl usage consistency across ports.
Only enabled when MICROPY_USE_READLINE == 1 (default).

Signed-off-by: Andrew Leech <[email protected]>
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Andrew Leech committed Oct 25, 2023
1 parent 3883f29 commit 40bef3b
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Showing 4 changed files with 22 additions and 80 deletions.
2 changes: 2 additions & 0 deletions ports/unix/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -124,8 +124,10 @@ endif

ifeq ($(MICROPY_USE_READLINE),1)
INC += -I$(TOP)/shared/readline
INC += -I$(TOP)/shared/runtime
CFLAGS += -DMICROPY_USE_READLINE=1
SHARED_SRC_C_EXTRA += readline/readline.c
SHARED_SRC_C_EXTRA += runtime/pyexec.c
endif
ifeq ($(MICROPY_PY_TERMIOS),1)
CFLAGS += -DMICROPY_PY_TERMIOS=1
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95 changes: 15 additions & 80 deletions ports/unix/main.c
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@
#include "extmod/vfs_posix.h"
#include "genhdr/mpversion.h"
#include "input.h"
#include "shared/runtime/pyexec.h"

// Command line options, with their defaults
STATIC bool compile_only = false;
Expand Down Expand Up @@ -193,91 +194,27 @@ STATIC char *strjoin(const char *s1, int sep_char, const char *s2) {
#endif

STATIC int do_repl(void) {
mp_hal_stdout_tx_str(MICROPY_BANNER_NAME_AND_VERSION);
mp_hal_stdout_tx_str("; " MICROPY_BANNER_MACHINE);
mp_hal_stdout_tx_str("\nUse Ctrl-D to exit, Ctrl-E for paste mode\n");

#if MICROPY_USE_READLINE == 1

// use MicroPython supplied readline

vstr_t line;
vstr_init(&line, 16);
// use MicroPython supplied readline based repl
int ret = 0;
mp_hal_stdio_mode_raw();
for (;;) {
mp_hal_stdio_mode_raw();

input_restart:
vstr_reset(&line);
int ret = readline(&line, mp_repl_get_ps1());
mp_parse_input_kind_t parse_input_kind = MP_PARSE_SINGLE_INPUT;

if (ret == CHAR_CTRL_C) {
// cancel input
mp_hal_stdout_tx_str("\r\n");
goto input_restart;
} else if (ret == CHAR_CTRL_D) {
// EOF
printf("\n");
mp_hal_stdio_mode_orig();
vstr_clear(&line);
return 0;
} else if (ret == CHAR_CTRL_E) {
// paste mode
mp_hal_stdout_tx_str("\npaste mode; Ctrl-C to cancel, Ctrl-D to finish\n=== ");
vstr_reset(&line);
for (;;) {
char c = mp_hal_stdin_rx_chr();
if (c == CHAR_CTRL_C) {
// cancel everything
mp_hal_stdout_tx_str("\n");
goto input_restart;
} else if (c == CHAR_CTRL_D) {
// end of input
mp_hal_stdout_tx_str("\n");
break;
} else {
// add char to buffer and echo
vstr_add_byte(&line, c);
if (c == '\r') {
mp_hal_stdout_tx_str("\n=== ");
} else {
mp_hal_stdout_tx_strn(&c, 1);
}
}
}
parse_input_kind = MP_PARSE_FILE_INPUT;
} else if (line.len == 0) {
if (ret != 0) {
printf("\n");
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
if ((ret = pyexec_raw_repl()) != 0) {
break;
}
goto input_restart;
} else {
// got a line with non-zero length, see if it needs continuing
while (mp_repl_continue_with_input(vstr_null_terminated_str(&line))) {
vstr_add_byte(&line, '\n');
ret = readline(&line, mp_repl_get_ps2());
if (ret == CHAR_CTRL_C) {
// cancel everything
printf("\n");
goto input_restart;
} else if (ret == CHAR_CTRL_D) {
// stop entering compound statement
break;
}
if ((ret = pyexec_friendly_repl()) != 0) {
break;
}
}

mp_hal_stdio_mode_orig();

ret = execute_from_lexer(LEX_SRC_VSTR, &line, parse_input_kind, true);
if (ret & FORCED_EXIT) {
return ret;
}
}

mp_hal_stdio_mode_orig();
#else

// use simple readline
mp_hal_stdout_tx_str(MICROPY_BANNER_NAME_AND_VERSION);
mp_hal_stdout_tx_str("; " MICROPY_BANNER_MACHINE);
mp_hal_stdout_tx_str("\nUse Ctrl-D to exit, Ctrl-E for paste mode\n");

for (;;) {
char *line = prompt((char *)mp_repl_get_ps1());
Expand All @@ -298,14 +235,12 @@ STATIC int do_repl(void) {

int ret = execute_from_lexer(LEX_SRC_STR, line, MP_PARSE_SINGLE_INPUT, true);
free(line);
if (ret & FORCED_EXIT) {
return ret;
}
}

#endif
return ret;
}


STATIC int do_file(const char *file) {
return execute_from_lexer(LEX_SRC_FILENAME, file, MP_PARSE_FILE_INPUT, false);
}
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4 changes: 4 additions & 0 deletions ports/unix/mphalport.h
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,10 @@ void mp_hal_set_interrupt_char(char c);
void mp_hal_stdio_mode_raw(void);
void mp_hal_stdio_mode_orig(void);

// pyexec/repl needs stdio to be in raw mode, but this should be cleared before running any code.
#define MICROPY_BOARD_BEFORE_PYTHON_EXEC(input_kind, exec_flags) mp_hal_stdio_mode_orig()
#define MICROPY_BOARD_AFTER_PYTHON_EXEC(input_kind, exec_flags, ret_val, ret) mp_hal_stdio_mode_raw()

#if MICROPY_PY_BUILTINS_INPUT && MICROPY_USE_READLINE == 0

#include <malloc.h>
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1 change: 1 addition & 0 deletions shared/runtime/pyexec.c
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@
#endif
#include "shared/readline/readline.h"
#include "shared/runtime/pyexec.h"
#include "extmod/modplatform.h"
#include "genhdr/mpversion.h"

pyexec_mode_kind_t pyexec_mode_kind = PYEXEC_MODE_FRIENDLY_REPL;
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