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19 April 2024, 06:28:37 UTC
Revision 06a49a392db85e1f55a1810669559389e8ecf37c authored by Simeon David Schaub on 25 April 2022, 12:30:31 UTC, committed by Simeon David Schaub on 25 April 2022, 20:15:55 UTC 
improve error message for invalid function args
 
Not sure whether putting hints into the lowering pass like this is a
great solution. I thought about maybe using Julia-side error hints for
this instead, but using some kind of pattern-matching doesn't seem like
a great solution either.

fixes #45031
1 parent 9d14cb1
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Tip revision: 06a49a392db85e1f55a1810669559389e8ecf37c authored by Simeon David Schaub on 25 April 2022, 12:30:31 UTC
improve error message for invalid function args
Tip revision: 06a49a3
ttyhascolor.jl 
# This file is a part of Julia. License is MIT: https://julialang.org/license

if Sys.iswindows()
    ttyhascolor(term_type = nothing) = true
else
    function ttyhascolor(term_type = get(ENV, "TERM", ""))
        startswith(term_type, "xterm") && return true
        try
            @static if Sys.KERNEL === :FreeBSD
                return success(`tput AF 0`)
            else
                return success(`tput setaf 0`)
            end
        catch e
            return false
        end
    end
end
function get_have_color()
    global have_color
    have_color === nothing && (have_color = ttyhascolor())
    return have_color::Bool
end
in(key_value::Pair{Symbol,Bool}, ::TTY) = key_value.first === :color && key_value.second === get_have_color()
haskey(::TTY, key::Symbol) = key === :color
getindex(::TTY, key::Symbol) = key === :color ? get_have_color() : throw(KeyError(key))
get(::TTY, key::Symbol, default) = key === :color ? get_have_color() : default
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