Skip to content

Commit

Permalink
slightly improve error message for unsupported kw arguments
Browse files Browse the repository at this point in the history 
also fix some code formatting

(cherry picked from commit 28d8b80)
ref #17973
  • Loading branch information
@JeffBezanson @tkelman
JeffBezanson authored and tkelman committed Aug 20, 2016
1 parent 6dd9e81 commit dcea839
Show file tree
Hide file tree
Showing 4 changed files with 18 additions and 16 deletions.
3 changes: 2 additions & 1 deletion base/replutil.jl
View file
Original file line number Diff line number Diff line change
Expand Up @@ -533,7 +533,8 @@ function show_method_candidates(io::IO, ex::MethodError, kwargs::Vector=Any[])
end
if !isempty(unexpected)
Base.with_output_color(:red, buf) do buf
print(buf, " got an unsupported keyword argument \"", join(unexpected, "\", \""), "\"")
plur = length(unexpected) > 1 ? "s" : ""
print(buf, " got unsupported keyword argument$plur \"", join(unexpected, "\", \""), "\"")
end
end
end
Expand Down
5 changes: 3 additions & 2 deletions src/julia-syntax.scm
View file
Original file line number Diff line number Diff line change
Expand Up @@ -522,8 +522,9 @@
,else)))
(if (null? restkw)
;; if no rest kw, give error for unrecognized
`(call (top kwerr) ,kw ,@(map arg-name pargl),@(if (null? vararg) '()
(list `(... ,(arg-name (car vararg))))))
`(call (top kwerr) ,kw ,@(map arg-name pargl)
,@(if (null? vararg) '()
(list `(... ,(arg-name (car vararg))))))
;; otherwise add to rest keywords
`(ccall 'jl_array_ptr_1d_push Void (tuple Any Any)
,rkw (tuple ,elt
Expand Down
2 changes: 1 addition & 1 deletion test/keywordargs.jl
View file
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ kwf1(ones; tens=0, hundreds=0) = ones + 10*tens + 100*hundreds
@test kwf1(3, tens=7, hundreds=2) == 273

@test_throws MethodError kwf1() # no method, too few args
@test_throws MethodError kwf1(1, z=0) # unsupported keyword
@test_throws MethodError kwf1(1, z=0) # unsupported keyword
@test_throws MethodError kwf1(1, 2) # no method, too many positional args

# keyword args plus varargs
Expand Down
24 changes: 12 additions & 12 deletions test/replutil.jl
View file
Original file line number Diff line number Diff line change
Expand Up @@ -127,19 +127,19 @@ showerror(buf, m_error)
error_out3 = takebuf_string(buf)

if Base.have_color
@test contains(error_out, "method_c6(; x)$cfile$(c6line + 1)\e[1m\e[31m got an unsupported keyword argument \"y\"\e[0m")
@test contains(error_out, "method_c6(; x)$cfile$(c6line + 1)\e[1m\e[31m got unsupported keyword argument \"y\"\e[0m")
@test contains(error_out, "method_c6(\e[1m\e[31m::Any\e[0m; y)$cfile$(c6line + 2)")
@test contains(error_out1, "method_c6(::Any; y)$cfile$(c6line + 2)\e[1m\e[31m got an unsupported keyword argument \"x\"\e[0m")
@test contains(error_out2, "method_c6_in_module(; x)$cfile$(c6mline + 2)\e[1m\e[31m got an unsupported keyword argument \"y\"\e[0m")
@test contains(error_out1, "method_c6(::Any; y)$cfile$(c6line + 2)\e[1m\e[31m got unsupported keyword argument \"x\"\e[0m")
@test contains(error_out2, "method_c6_in_module(; x)$cfile$(c6mline + 2)\e[1m\e[31m got unsupported keyword argument \"y\"\e[0m")
@test contains(error_out2, "method_c6_in_module(\e[1m\e[31m::Any\e[0m; y)$cfile$(c6mline + 3)")
@test contains(error_out3, "method_c6_in_module(::Any; y)$cfile$(c6mline + 3)\e[1m\e[31m got an unsupported keyword argument \"x\"\e[0m")
@test contains(error_out3, "method_c6_in_module(::Any; y)$cfile$(c6mline + 3)\e[1m\e[31m got unsupported keyword argument \"x\"\e[0m")
else
@test contains(error_out, "method_c6(; x)$cfile$(c6line + 1) got an unsupported keyword argument \"y\"")
@test contains(error_out, "method_c6(; x)$cfile$(c6line + 1) got unsupported keyword argument \"y\"")
@test contains(error_out, "method_c6(!Matched::Any; y)$cfile$(c6line + 2)")
@test contains(error_out1, "method_c6(::Any; y)$cfile$(c6line + 2) got an unsupported keyword argument \"x\"")
@test contains(error_out2, "method_c6_in_module(; x)$cfile$(c6mline + 2) got an unsupported keyword argument \"y\"")
@test contains(error_out1, "method_c6(::Any; y)$cfile$(c6line + 2) got unsupported keyword argument \"x\"")
@test contains(error_out2, "method_c6_in_module(; x)$cfile$(c6mline + 2) got unsupported keyword argument \"y\"")
@test contains(error_out2, "method_c6_in_module(!Matched::Any; y)$cfile$(c6mline + 3)")
@test contains(error_out3, "method_c6_in_module(::Any; y)$cfile$(c6mline + 3) got an unsupported keyword argument \"x\"")
@test contains(error_out3, "method_c6_in_module(::Any; y)$cfile$(c6mline + 3) got unsupported keyword argument \"x\"")
end

c7line = @__LINE__ + 1
Expand All @@ -150,16 +150,16 @@ test_have_color(buf, "\e[0m\nClosest candidates are:\n method_c7(::Any, ::Any;
c8line = @__LINE__ + 1
method_c8(a, b; y=1, w=1) = a
Base.show_method_candidates(buf, MethodError(method_c8, (1, 1)), [(:x, 1), (:y, 2), (:z, 1), (:w, 1)])
test_have_color(buf, "\e[0m\nClosest candidates are:\n method_c8(::Any, ::Any; y, w)$cfile$c8line\e[1m\e[31m got an unsupported keyword argument \"x\", \"z\"\e[0m\e[0m",
"\nClosest candidates are:\n method_c8(::Any, ::Any; y, w)$cfile$c8line got an unsupported keyword argument \"x\", \"z\"")
test_have_color(buf, "\e[0m\nClosest candidates are:\n method_c8(::Any, ::Any; y, w)$cfile$c8line\e[1m\e[31m got unsupported keyword arguments \"x\", \"z\"\e[0m\e[0m",
"\nClosest candidates are:\n method_c8(::Any, ::Any; y, w)$cfile$c8line got unsupported keyword arguments \"x\", \"z\"")

ac15639line = @__LINE__
addConstraint_15639(c::Int32) = c
addConstraint_15639(c::Int64; uncset=nothing) = addConstraint_15639(Int32(c), uncset=uncset)

Base.show_method_candidates(buf, MethodError(addConstraint_15639, (Int32(1),)), [(:uncset, nothing)])
test_have_color(buf, "\e[0m\nClosest candidates are:\n addConstraint_15639(::Int32)$cfile$(ac15639line + 1)\e[1m\e[31m got an unsupported keyword argument \"uncset\"\e[0m\n addConstraint_15639(\e[1m\e[31m::Int64\e[0m; uncset)$cfile$(ac15639line + 2)\e[0m",
"\nClosest candidates are:\n addConstraint_15639(::Int32)$cfile$(ac15639line + 1) got an unsupported keyword argument \"uncset\"\n addConstraint_15639(!Matched::Int64; uncset)$cfile$(ac15639line + 2)")
test_have_color(buf, "\e[0m\nClosest candidates are:\n addConstraint_15639(::Int32)$cfile$(ac15639line + 1)\e[1m\e[31m got unsupported keyword argument \"uncset\"\e[0m\n addConstraint_15639(\e[1m\e[31m::Int64\e[0m; uncset)$cfile$(ac15639line + 2)\e[0m",
"\nClosest candidates are:\n addConstraint_15639(::Int32)$cfile$(ac15639line + 1) got unsupported keyword argument \"uncset\"\n addConstraint_15639(!Matched::Int64; uncset)$cfile$(ac15639line + 2)")

macro except_str(expr, err_type)
return quote
Expand Down

0 comments on commit dcea839

Please sign in to comment.