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repl: fix compilation after 6921d46

pull/5997/head
Delyan Angelov 2020-08-27 12:20:31 +03:00
parent 8b3990225a
commit 3b03edd7cb
1 changed files with 327 additions and 330 deletions
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77
vlib/readline/readline_linux.c.v
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@ -1,18 +1,15 @@
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
// Linux version
// Will serve as more advanced input method
// Based on the work of https://github.com/AmokHuginnsson/replxx
module readline
import term
#include <termios.h>
#include <sys/ioctl.h>
// Defines actions to execute
enum Action {
eof
@ -35,7 +32,9 @@ enum Action {
}
fn C.tcgetattr() int
fn C.tcsetattr() int
// fn C.ioctl() int
fn C.raise()
@ -104,14 +103,12 @@ pub fn (mut r Readline) read_line_utf8(prompt string) ?ustring {
if r.previous_lines.len <= 1 {
r.previous_lines << ''.ustring()
r.previous_lines << ''.ustring()
}
else {
} else {
r.previous_lines[0] = ''.ustring()
}
if !r.is_raw {
r.enable_raw_mode()
}
print(r.prompt)
for {
C.fflush(C.stdout)
@ -121,7 +118,6 @@ pub fn (mut r Readline) read_line_utf8(prompt string) ?ustring {
break
}
}
r.previous_lines[0] = ''.ustring()
r.search_index = 0
r.disable_raw_mode()
@ -161,10 +157,10 @@ pub fn read_line(prompt string) ?string {
fn get_prompt_offset(prompt string) int {
mut len := 0
for i := 0; i < prompt.len; i++ {
if prompt[i] == `\e` {
for ;i < prompt.len && prompt[i] != `m`; i++ {}
for ; i < prompt.len && prompt[i] != `m`; i++ {
}
} else {
len = len + 1
}
@ -173,7 +169,7 @@ fn get_prompt_offset(prompt string) int {
}
fn (r Readline) analyse(c int) Action {
match c {
match byte(c) {
`\0` { return .eof }
0x3 { return .eof } // End of Text
0x4 { return .eof } // End of Transmission
@ -187,17 +183,20 @@ fn (r Readline) analyse(c int) Action {
1 { return .move_cursor_begining } // ^A
5 { return .move_cursor_end } // ^E
26 { return .suspend } // CTRL + Z, SUB
else { return if c >= ` ` { Action.insert_character } else { Action.nothing } }
else { return if c >= ` ` {
Action.insert_character
} else {
Action.nothing
} }
}
}
fn (r Readline) analyse_control() Action {
c := r.read_char()
match c {
match byte(c) {
`[` {
sequence := r.read_char()
match sequence {
match byte(sequence) {
`C` { return .move_cursor_right }
`D` { return .move_cursor_left }
`B` { return .history_next }
@ -210,8 +209,6 @@ match c {
}
else {}
}
/*
//TODO
match c {
@ -233,20 +230,16 @@ match c {
else:
}
*/
return .nothing
}
fn (r Readline) analyse_extended_control() Action {
r.read_char() // Removes ;
c := r.read_char()
match c {
match byte(c) {
`5` {
direction := r.read_char()
match direction {
match byte(direction) {
`C` { return .move_cursor_word_right }
`D` { return .move_cursor_word_left }
else {}
@ -259,14 +252,12 @@ fn (r Readline) analyse_extended_control() Action {
fn (r Readline) analyse_extended_control_no_eat(last_c byte) Action {
c := r.read_char()
match c {
`~` {
match last_c {
match byte(c) {
`~` { match last_c {
`3` { return .delete_right } // Suppr key
`2` { return .overwrite }
else {}
}
}
} }
else {}
}
return .nothing
@ -301,12 +292,11 @@ fn get_screen_columns() int {
return cols
}
fn shift_cursor(xpos int, yoffset int) {
fn shift_cursor(xpos, yoffset int) {
if yoffset != 0 {
if yoffset > 0 {
term.cursor_down(yoffset)
}
else {
} else {
term.cursor_up(-yoffset)
}
}
@ -314,14 +304,15 @@ fn shift_cursor(xpos int, yoffset int) {
print('\x1b[${xpos+1}G')
}
fn calculate_screen_position(x_in int, y_in int, screen_columns int, char_count int, inp []int) []int {
fn calculate_screen_position(x_in, y_in, screen_columns, char_count int, inp []int) []int {
mut out := inp
mut x := x_in
mut y := y_in
out[0] = x
out[1] = y
for chars_remaining := char_count; chars_remaining > 0; {
chars_this_row := if (x + chars_remaining) < screen_columns { chars_remaining } else { screen_columns - x }
chars_this_row := if (x + chars_remaining) < screen_columns { chars_remaining } else { screen_columns -
x }
out[0] = x + chars_this_row
out[1] = y
chars_remaining -= chars_this_row
@ -338,11 +329,12 @@ fn calculate_screen_position(x_in int, y_in int, screen_columns int, char_count
// Will redraw the line
fn (mut r Readline) refresh_line() {
mut end_of_input := [0, 0]
end_of_input = calculate_screen_position(r.prompt.len, 0, get_screen_columns(), r.current.len, end_of_input)
end_of_input = calculate_screen_position(r.prompt.len, 0, get_screen_columns(), r.current.len,
end_of_input)
end_of_input[1] += r.current.count('\n'.ustring())
mut cursor_pos := [0, 0]
cursor_pos = calculate_screen_position(r.prompt.len, 0, get_screen_columns(), r.cursor, cursor_pos)
cursor_pos = calculate_screen_position(r.prompt.len, 0, get_screen_columns(), r.cursor,
cursor_pos)
shift_cursor(0, -r.cursor_row_offset)
term.erase_toend()
print(r.prompt)
@ -368,7 +360,8 @@ fn (mut r Readline) insert_character(c int) {
if !r.overwrite || r.cursor == r.current.len {
r.current = r.current.left(r.cursor).ustring().add(utf32_to_str(u32(c)).ustring()).add(r.current.right(r.cursor).ustring())
} else {
r.current = r.current.left(r.cursor).ustring().add( utf32_to_str(u32(c)).ustring() ).add( r.current.right(r.cursor + 1).ustring() )
r.current = r.current.left(r.cursor).ustring().add(utf32_to_str(u32(c)).ustring()).add(r.current.right(r.cursor +
1).ustring())
}
r.cursor++
// Refresh the line to add the new character
@ -441,16 +434,20 @@ fn (r Readline) is_break_character(c string) bool {
fn (mut r Readline) move_cursor_word_left() {
if r.cursor > 0 {
for ; r.cursor > 0 && r.is_break_character(r.current.at(r.cursor - 1)); r.cursor-- {}
for ; r.cursor > 0 && !r.is_break_character(r.current.at(r.cursor - 1)); r.cursor-- {}
for ; r.cursor > 0 && r.is_break_character(r.current.at(r.cursor - 1)); r.cursor-- {
}
for ; r.cursor > 0 && !r.is_break_character(r.current.at(r.cursor - 1)); r.cursor-- {
}
r.refresh_line()
}
}
fn (mut r Readline) move_cursor_word_right() {
if r.cursor < r.current.len {
for ; r.cursor < r.current.len && r.is_break_character(r.current.at(r.cursor)); r.cursor++ {}
for ; r.cursor < r.current.len && !r.is_break_character(r.current.at(r.cursor)); r.cursor++ {}
for ; r.cursor < r.current.len && r.is_break_character(r.current.at(r.cursor)); r.cursor++ {
}
for ; r.cursor < r.current.len && !r.is_break_character(r.current.at(r.cursor)); r.cursor++ {
}
r.refresh_line()
}
}