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mp-readline: Save "prompt" string in readline state.

This commit is contained in:
Damien George 2015-04-26 17:52:01 +01:00
parent ad9daadf8a
commit b7a4f15b34
3 changed files with 16 additions and 16 deletions
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12
lib/mp-readline/readline.c
View File

@ -85,6 +85,7 @@ typedef struct _readline_t {
int hist_cur;
int cursor_pos;
char escape_seq_buf[1];
const char *prompt;
} readline_t;
STATIC readline_t rl;
@ -260,23 +261,26 @@ end_key:
return -1;
}
void readline_note_newline(void) {
void readline_note_newline(const char *prompt) {
rl.orig_line_len = rl.line->len;
rl.cursor_pos = rl.orig_line_len;
rl.prompt = prompt;
mp_hal_stdout_tx_str(prompt);
}
void readline_init(vstr_t *line) {
void readline_init(vstr_t *line, const char *prompt) {
rl.line = line;
rl.orig_line_len = line->len;
rl.escape_seq = ESEQ_NONE;
rl.escape_seq_buf[0] = 0;
rl.hist_cur = -1;
rl.cursor_pos = rl.orig_line_len;
rl.prompt = prompt;
mp_hal_stdout_tx_str(prompt);
}
int readline(vstr_t *line, const char *prompt) {
mp_hal_stdout_tx_str(prompt);
readline_init(line);
readline_init(line, prompt);
for (;;) {
int c = mp_hal_stdin_rx_chr();
int r = readline_process_char(c);

4
lib/mp-readline/readline.h
View File

@ -33,6 +33,6 @@
void readline_init0(void);
int readline(vstr_t *line, const char *prompt);
void readline_init(vstr_t *line);
void readline_note_newline(void);
void readline_init(vstr_t *line, const char *prompt);
void readline_note_newline(const char *prompt);
int readline_process_char(int c);

16
stmhal/pyexec.c
View File

@ -181,14 +181,13 @@ friendly_repl_t repl;
void pyexec_friendly_repl_init(void) {
vstr_init(&repl.line, 32);
repl.cont_line = false;
readline_init(&repl.line);
mp_hal_stdout_tx_str(">>> ");
readline_init(&repl.line, ">>> ");
}
void pyexec_friendly_repl_reset() {
repl.cont_line = false;
void pyexec_friendly_repl_reset(void) {
vstr_reset(&repl.line);
readline_init(&repl.line);
repl.cont_line = false;
readline_init(&repl.line, ">>> ");
}
int pyexec_friendly_repl_process_char(int c) {
@ -229,8 +228,7 @@ int pyexec_friendly_repl_process_char(int c) {
vstr_add_byte(&repl.line, '\n');
repl.cont_line = true;
mp_hal_stdout_tx_str("... ");
readline_note_newline();
readline_note_newline("... ");
return 0;
} else {
@ -251,8 +249,7 @@ int pyexec_friendly_repl_process_char(int c) {
if (mp_repl_continue_with_input(vstr_null_terminated_str(&repl.line))) {
vstr_add_byte(&repl.line, '\n');
mp_hal_stdout_tx_str("... ");
readline_note_newline();
readline_note_newline("... ");
return 0;
}
@ -270,7 +267,6 @@ exec: ;
friendly_repl_reset: // TODO
input_restart:
pyexec_friendly_repl_reset();
mp_hal_stdout_tx_str(">>> ");
return 0;
}
}