#37527

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Build # #37527

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web-flow

Commit Message

make `IRShow.method_name` inferrable (#49607)

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/stdlib/REPL/src/Terminals.jl

# This file is a part of Julia. License is MIT: https://julialang.org/license

module Terminals

export
    AbstractTerminal,
    TextTerminal,
    UnixTerminal,
    TerminalBuffer,
    TTYTerminal,
    cmove,
    cmove_col,
    cmove_down,
    cmove_left,
    cmove_line_down,
    cmove_line_up,
    cmove_right,
    cmove_up,
    disable_bracketed_paste,
    enable_bracketed_paste,
    end_keypad_transmit_mode,
    getX,
    getY,
    hascolor,
    pos,
    raw!

import Base:
    check_open, # stream.jl
    displaysize,
    flush,
    pipe_reader,
    pipe_writer,
    read,
    readuntil

## AbstractTerminal: abstract supertype of all terminals ##

abstract type AbstractTerminal <: Base.AbstractPipe end

## TextTerminal ##

abstract type TextTerminal <: AbstractTerminal end

# Terminal interface:
pipe_reader(::TextTerminal) = error("Unimplemented")
pipe_writer(::TextTerminal) = error("Unimplemented")
displaysize(::TextTerminal) = error("Unimplemented")
cmove(t::TextTerminal, x, y) = error("Unimplemented")
getX(t::TextTerminal) = error("Unimplemented")
getY(t::TextTerminal) = error("Unimplemented")
pos(t::TextTerminal) = (getX(t), getY(t))

# Relative moves (Absolute position fallbacks)
cmove_up(t::TextTerminal, n) = cmove(getX(t), max(1, getY(t)-n))
cmove_up(t) = cmove_up(t, 1)

cmove_down(t::TextTerminal, n) = cmove(getX(t), max(height(t), getY(t)+n))
cmove_down(t) = cmove_down(t, 1)

cmove_left(t::TextTerminal, n) = cmove(max(1, getX(t)-n), getY(t))
cmove_left(t) = cmove_left(t, 1)

cmove_right(t::TextTerminal, n) = cmove(max(width(t), getX(t)+n), getY(t))
cmove_right(t) = cmove_right(t, 1)

cmove_line_up(t::TextTerminal, n) = cmove(1, max(1, getY(t)-n))
cmove_line_up(t) = cmove_line_up(t, 1)

cmove_line_down(t::TextTerminal, n) = cmove(1, max(height(t), getY(t)+n))
cmove_line_down(t) = cmove_line_down(t, 1)

cmove_col(t::TextTerminal, c) = cmove(c, getY(t))

# Defaults
hascolor(::TextTerminal) = false

# Utility Functions
width(t::TextTerminal) = (displaysize(t)::Tuple{Int,Int})[2]
height(t::TextTerminal) = (displaysize(t)::Tuple{Int,Int})[1]

# For terminals with buffers
flush(t::TextTerminal) = nothing

clear(t::TextTerminal) = error("Unimplemented")
clear_line(t::TextTerminal, row) = error("Unimplemented")
clear_line(t::TextTerminal) = error("Unimplemented")

raw!(t::TextTerminal, raw::Bool) = error("Unimplemented")

beep(t::TextTerminal) = nothing
enable_bracketed_paste(t::TextTerminal) = nothing
disable_bracketed_paste(t::TextTerminal) = nothing

## UnixTerminal ##

abstract type UnixTerminal <: TextTerminal end

pipe_reader(t::UnixTerminal) = t.in_stream::IO
pipe_writer(t::UnixTerminal) = t.out_stream::IO

mutable struct TerminalBuffer <: UnixTerminal
    out_stream::IO
end

mutable struct TTYTerminal <: UnixTerminal
    term_type::String
    in_stream::IO
    out_stream::IO
    err_stream::IO
end

const CSI = "\x1b["

cmove_up(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)A")
cmove_down(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)B")
cmove_right(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)C")
cmove_left(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)D")
cmove_line_up(t::UnixTerminal, n) = (cmove_up(t, n); cmove_col(t, 1))
cmove_line_down(t::UnixTerminal, n) = (cmove_down(t, n); cmove_col(t, 1))
cmove_col(t::UnixTerminal, n) = (write(t.out_stream, '\r'); n > 1 && cmove_right(t, n-1))

const is_precompiling = Ref(false)
if Sys.iswindows()
    function raw!(t::TTYTerminal,raw::Bool)
        is_precompiling[] && return true
        check_open(t.in_stream)
        if Base.ispty(t.in_stream)
            run((raw ? `stty raw -echo onlcr -ocrnl opost` : `stty sane`),
                t.in_stream, t.out_stream, t.err_stream)
            true
        else
            ccall(:jl_tty_set_mode, Int32, (Ptr{Cvoid},Int32), t.in_stream.handle::Ptr{Cvoid}, raw) != -1
        end
    end
else
    function raw!(t::TTYTerminal, raw::Bool)
        check_open(t.in_stream)
        ccall(:jl_tty_set_mode, Int32, (Ptr{Cvoid},Int32), t.in_stream.handle::Ptr{Cvoid}, raw) != -1
    end
end

# eval some of these definitions to insert CSI as a constant string
@eval enable_bracketed_paste(t::UnixTerminal) = write(t.out_stream, $"$(CSI)?2004h")
@eval disable_bracketed_paste(t::UnixTerminal) = write(t.out_stream, $"$(CSI)?2004l")
@eval end_keypad_transmit_mode(t::UnixTerminal) = # tput rmkx
    write(t.out_stream, $"$(CSI)?1l\x1b>")

@eval clear(t::UnixTerminal) = write(t.out_stream, $"$(CSI)H$(CSI)2J")
@eval clear_line(t::UnixTerminal) = write(t.out_stream, $"\r$(CSI)0K")
beep(t::UnixTerminal) = write(t.err_stream,"\x7")

Base.displaysize(t::UnixTerminal) = displaysize(t.out_stream)

hascolor(t::TTYTerminal) = get(t.out_stream, :color, false)::Bool

# use cached value of have_color
Base.in(key_value::Pair, t::TTYTerminal) = in(key_value, pipe_writer(t))
Base.haskey(t::TTYTerminal, key) = haskey(pipe_writer(t), key)
Base.getindex(t::TTYTerminal, key) = getindex(pipe_writer(t), key)
Base.get(t::TTYTerminal, key, default) = get(pipe_writer(t), key, default)

Base.peek(t::TTYTerminal, ::Type{T}) where {T} = peek(t.in_stream, T)::T

end # module

1	# This file is a part of Julia. License is MIT: https://julialang.org/license
2
3	module Terminals
4
5	export
6	AbstractTerminal,
7	TextTerminal,
8	UnixTerminal,
9	TerminalBuffer,
10	TTYTerminal,
11	cmove,
12	cmove_col,
13	cmove_down,
14	cmove_left,
15	cmove_line_down,
16	cmove_line_up,
17	cmove_right,
18	cmove_up,
19	disable_bracketed_paste,
20	enable_bracketed_paste,
21	end_keypad_transmit_mode,
22	getX,
23	getY,
24	hascolor,
25	pos,
26	raw!
27
28	import Base:
29	check_open, # stream.jl
30	displaysize,
31	flush,
32	pipe_reader,
33	pipe_writer,
34	read,
35	readuntil
36
37	## AbstractTerminal: abstract supertype of all terminals ##
38
39	abstract type AbstractTerminal <: Base.AbstractPipe end
40
41	## TextTerminal ##
42
43	abstract type TextTerminal <: AbstractTerminal end
44
45	# Terminal interface:
46	pipe_reader(::TextTerminal) = error("Unimplemented")	×
47	pipe_writer(::TextTerminal) = error("Unimplemented")	×
48	displaysize(::TextTerminal) = error("Unimplemented")	×
49	cmove(t::TextTerminal, x, y) = error("Unimplemented")	×
50	getX(t::TextTerminal) = error("Unimplemented")	×
51	getY(t::TextTerminal) = error("Unimplemented")	×
52	pos(t::TextTerminal) = (getX(t), getY(t))	×
53
54	# Relative moves (Absolute position fallbacks)
55	cmove_up(t::TextTerminal, n) = cmove(getX(t), max(1, getY(t)-n))	×
56	cmove_up(t) = cmove_up(t, 1)	×
57
58	cmove_down(t::TextTerminal, n) = cmove(getX(t), max(height(t), getY(t)+n))	×
59	cmove_down(t) = cmove_down(t, 1)	×
60
61	cmove_left(t::TextTerminal, n) = cmove(max(1, getX(t)-n), getY(t))	×
62	cmove_left(t) = cmove_left(t, 1)	×
63
64	cmove_right(t::TextTerminal, n) = cmove(max(width(t), getX(t)+n), getY(t))	×
65	cmove_right(t) = cmove_right(t, 1)	×
66
67	cmove_line_up(t::TextTerminal, n) = cmove(1, max(1, getY(t)-n))	×
68	cmove_line_up(t) = cmove_line_up(t, 1)	×
69
70	cmove_line_down(t::TextTerminal, n) = cmove(1, max(height(t), getY(t)+n))	×
71	cmove_line_down(t) = cmove_line_down(t, 1)	×
72
73	cmove_col(t::TextTerminal, c) = cmove(c, getY(t))	×
74
75	# Defaults
76	hascolor(::TextTerminal) = false	×
77
78	# Utility Functions
79	width(t::TextTerminal) = (displaysize(t)::Tuple{Int,Int})[2]	×
80	height(t::TextTerminal) = (displaysize(t)::Tuple{Int,Int})[1]	×
81
82	# For terminals with buffers
83	flush(t::TextTerminal) = nothing	×
84
85	clear(t::TextTerminal) = error("Unimplemented")	×
86	clear_line(t::TextTerminal, row) = error("Unimplemented")	×
87	clear_line(t::TextTerminal) = error("Unimplemented")	×
88
89	raw!(t::TextTerminal, raw::Bool) = error("Unimplemented")	×
90
91	beep(t::TextTerminal) = nothing	×
92	enable_bracketed_paste(t::TextTerminal) = nothing	×
93	disable_bracketed_paste(t::TextTerminal) = nothing	×
94
95	## UnixTerminal ##
96
97	abstract type UnixTerminal <: TextTerminal end
98
99	pipe_reader(t::UnixTerminal) = t.in_stream::IO	1✔
100	pipe_writer(t::UnixTerminal) = t.out_stream::IO	×
101
102	mutable struct TerminalBuffer <: UnixTerminal
103	out_stream::IO
104	end
105
106	mutable struct TTYTerminal <: UnixTerminal
107	term_type::String	888✔
108	in_stream::IO
109	out_stream::IO
110	err_stream::IO
111	end
112
113	const CSI = "\x1b["
114
115	cmove_up(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)A")	×
116	cmove_down(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)B")	×
117	cmove_right(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)C")	×
118	cmove_left(t::UnixTerminal, n) = write(t.out_stream, "$(CSI)$(n)D")	×
119	cmove_line_up(t::UnixTerminal, n) = (cmove_up(t, n); cmove_col(t, 1))	×
120	cmove_line_down(t::UnixTerminal, n) = (cmove_down(t, n); cmove_col(t, 1))	×
121	cmove_col(t::UnixTerminal, n) = (write(t.out_stream, '\r'); n > 1 && cmove_right(t, n-1))	×
122
123	const is_precompiling = Ref(false)
124	if Sys.iswindows()
125	function raw!(t::TTYTerminal,raw::Bool)	×
126	is_precompiling[] && return true	×
127	check_open(t.in_stream)	×
128	if Base.ispty(t.in_stream)	×
129	run((raw ? `stty raw -echo onlcr -ocrnl opost` : `stty sane`),	×
130	t.in_stream, t.out_stream, t.err_stream)
131	true	×
132	else
133	ccall(:jl_tty_set_mode, Int32, (Ptr{Cvoid},Int32), t.in_stream.handle::Ptr{Cvoid}, raw) != -1	×
134	end
135	end
136	else
137	function raw!(t::TTYTerminal, raw::Bool)	2✔
138	check_open(t.in_stream)	2✔
139	ccall(:jl_tty_set_mode, Int32, (Ptr{Cvoid},Int32), t.in_stream.handle::Ptr{Cvoid}, raw) != -1	2✔
140	end
141	end
142
143	# eval some of these definitions to insert CSI as a constant string
144	@eval enable_bracketed_paste(t::UnixTerminal) = write(t.out_stream, $"$(CSI)?2004h")	×
145	@eval disable_bracketed_paste(t::UnixTerminal) = write(t.out_stream, $"$(CSI)?2004l")	×
146	@eval end_keypad_transmit_mode(t::UnixTerminal) = # tput rmkx	×
147	write(t.out_stream, $"$(CSI)?1l\x1b>")
148
149	@eval clear(t::UnixTerminal) = write(t.out_stream, $"$(CSI)H$(CSI)2J")	×
150	@eval clear_line(t::UnixTerminal) = write(t.out_stream, $"\r$(CSI)0K")	×
151	beep(t::UnixTerminal) = write(t.err_stream,"\x7")	×
152
153	Base.displaysize(t::UnixTerminal) = displaysize(t.out_stream)	×
154
155	hascolor(t::TTYTerminal) = get(t.out_stream, :color, false)::Bool	×
156
157	# use cached value of have_color
158	Base.in(key_value::Pair, t::TTYTerminal) = in(key_value, pipe_writer(t))	×
159	Base.haskey(t::TTYTerminal, key) = haskey(pipe_writer(t), key)	×
160	Base.getindex(t::TTYTerminal, key) = getindex(pipe_writer(t), key)	×
161	Base.get(t::TTYTerminal, key, default) = get(pipe_writer(t), key, default)	×
162
163	Base.peek(t::TTYTerminal, ::Type{T}) where {T} = peek(t.in_stream, T)::T	×
164
165	end # module

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