unix/main: Use standard pyexec/repl for unix & windows ports.

Andrew Leech · Andrew Leech · commit 55032e97eb14 · 2023-10-26T12:44:48.000+11:00
This improves repl usage consistency across ports.
Only enabled when MICROPY_USE_READLINE == 1 (default).

Signed-off-by: Andrew Leech &lt;andrew.leech@planetinnovation.com.au&gt;
diff --git a/ports/unix/Makefile b/ports/unix/Makefile
@@ -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
diff --git a/ports/unix/main.c b/ports/unix/main.c
@@ -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;
@@ -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");
-
+    int ret = 0;
     #if MICROPY_USE_READLINE == 1
-
-    // use MicroPython supplied readline
-
-    vstr_t line;
-    vstr_init(&line, 16);
+    // use MicroPython supplied readline based repl
+    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());
@@ -296,16 +233,14 @@ STATIC int do_repl(void) {
             line = line3;
         }
 
-        int ret = execute_from_lexer(LEX_SRC_STR, line, MP_PARSE_SINGLE_INPUT, true);
+        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);
 }
diff --git a/ports/unix/mphalport.h b/ports/unix/mphalport.h
@@ -36,6 +36,12 @@ 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 may be cleared before running code.
+#if MICROPY_REPL_RESET_RAW_BEFORE_EXEC
+#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()
+#endif
+
 #if MICROPY_PY_BUILTINS_INPUT && MICROPY_USE_READLINE == 0
 
 #include <malloc.h>
diff --git a/ports/windows/Makefile b/ports/windows/Makefile
@@ -76,6 +76,7 @@ OBJ += $(addprefix $(BUILD)/, $(LIB_SRC_C:.c=.o))
 ifeq ($(MICROPY_USE_READLINE),1)
 CFLAGS += -DMICROPY_USE_READLINE=1
 SRC_C += shared/readline/readline.c
+SRC_C += shared/runtime/pyexec.c
 endif
 
 LIB += -lws2_32
diff --git a/ports/windows/micropython.vcxproj b/ports/windows/micropython.vcxproj
@@ -88,6 +88,7 @@
     <ClCompile Include="@(PyCoreSource)" />
     <ClCompile Include="@(PyExtModSource)" />
     <ClCompile Include="$(PyBaseDir)shared\readline\*.c" />
+    <ClCompile Include="$(PyBaseDir)shared\runtime\pyexec.c" />
     <ClCompile Include="$(PyBaseDir)shared\runtime\gchelper_generic.c" />
     <ClCompile Include="$(PyBaseDir)ports\windows\*.c" />
     <ClCompile Include="$(PyBaseDir)ports\windows\msvc\*.c" />
diff --git a/shared/runtime/pyexec.c b/shared/runtime/pyexec.c
@@ -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;
