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2020-07-05 release

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bellard
2020-09-06 19:07:30 +02:00
parent 1722758717
commit 8900766099
30 changed files with 3775 additions and 1729 deletions
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72
repl.js
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@@ -209,6 +209,29 @@ import * as os from "os";
(is_alpha(c) || is_digit(c) || c == '_' || c == '$');
}
function ucs_length(str) {
var len, c, i, str_len = str.length;
len = 0;
/* we never count the trailing surrogate to have the
following property: ucs_length(str) =
ucs_length(str.substring(0, a)) + ucs_length(str.substring(a,
str.length)) for 0 <= a <= str.length */
for(i = 0; i < str_len; i++) {
c = str.charCodeAt(i);
if (c < 0xdc00 || c >= 0xe000)
len++;
}
return len;
}
function is_trailing_surrogate(c) {
var d;
if (typeof c !== "string")
return false;
d = c.codePointAt(0); /* can be NaN if empty string */
return d >= 0xdc00 && d < 0xe000;
}
function is_balanced(a, b) {
switch (a + b) {
case "()":
@@ -235,6 +258,7 @@ import * as os from "os";
std.puts("\x1b[" + ((n != 1) ? n : "") + code);
}
/* XXX: handle double-width characters */
function move_cursor(delta) {
var i, l;
if (delta > 0) {
@@ -269,15 +293,16 @@ import * as os from "os";
}
function update() {
var i;
var i, cmd_len;
/* cursor_pos is the position in 16 bit characters inside the
UTF-16 string 'cmd' */
if (cmd != last_cmd) {
if (!show_colors && last_cmd.substring(0, last_cursor_pos) == cmd.substring(0, last_cursor_pos)) {
/* optimize common case */
std.puts(cmd.substring(last_cursor_pos));
} else {
/* goto the start of the line */
move_cursor(-last_cursor_pos);
move_cursor(-ucs_length(last_cmd.substring(0, last_cursor_pos)));
if (show_colors) {
var str = mexpr ? mexpr + '\n' + cmd : cmd;
var start = str.length - cmd.length;
@@ -287,8 +312,7 @@ import * as os from "os";
std.puts(cmd);
}
}
/* Note: assuming no surrogate pairs */
term_cursor_x = (term_cursor_x + cmd.length) % term_width;
term_cursor_x = (term_cursor_x + ucs_length(cmd)) % term_width;
if (term_cursor_x == 0) {
/* show the cursor on the next line */
std.puts(" \x08");
@@ -298,7 +322,11 @@ import * as os from "os";
last_cmd = cmd;
last_cursor_pos = cmd.length;
}
move_cursor(cursor_pos - last_cursor_pos);
if (cursor_pos > last_cursor_pos) {
move_cursor(ucs_length(cmd.substring(last_cursor_pos, cursor_pos)));
} else if (cursor_pos < last_cursor_pos) {
move_cursor(-ucs_length(cmd.substring(cursor_pos, last_cursor_pos)));
}
last_cursor_pos = cursor_pos;
std.out.flush();
}
@@ -333,13 +361,19 @@ import * as os from "os";
}
function forward_char() {
if (cursor_pos < cmd.length)
if (cursor_pos < cmd.length) {
cursor_pos++;
while (is_trailing_surrogate(cmd.charAt(cursor_pos)))
cursor_pos++;
}
}
function backward_char() {
if (cursor_pos > 0)
if (cursor_pos > 0) {
cursor_pos--;
while (is_trailing_surrogate(cmd.charAt(cursor_pos)))
cursor_pos--;
}
}
function skip_word_forward(pos) {
@@ -419,8 +453,18 @@ import * as os from "os";
}
function delete_char_dir(dir) {
var start = cursor_pos - (dir < 0);
var end = start + 1;
var start, end;
start = cursor_pos;
if (dir < 0) {
start--;
while (is_trailing_surrogate(cmd.charAt(start)))
start--;
}
end = start + 1;
while (is_trailing_surrogate(cmd.charAt(end)))
end++;
if (start >= 0 && start < cmd.length) {
if (last_fun === kill_region) {
kill_region(start, end, dir);
@@ -752,7 +796,7 @@ import * as os from "os";
function readline_print_prompt()
{
std.puts(prompt);
term_cursor_x = prompt.length % term_width;
term_cursor_x = ucs_length(prompt) % term_width;
last_cmd = "";
last_cursor_pos = 0;
}
@@ -785,7 +829,7 @@ import * as os from "os";
function handle_char(c1) {
var c;
c = String.fromCharCode(c1);
c = String.fromCodePoint(c1);
switch(readline_state) {
case 0:
if (c == '\x1b') { /* '^[' - ESC */
@@ -825,7 +869,7 @@ import * as os from "os";
var fun;
if (quote_flag) {
if (keys.length === 1)
if (ucs_length(keys) === 1)
insert(keys);
quote_flag = false;
} else if (fun = commands[keys]) {
@@ -845,7 +889,7 @@ import * as os from "os";
return;
}
last_fun = this_fun;
} else if (keys.length === 1 && keys >= ' ') {
} else if (ucs_length(keys) === 1 && keys >= ' ') {
insert(keys);
last_fun = insert;
} else {