1576

Committed 09 Feb 2026 02:05PM UTC coverage: 75.058% (-1.7%) from 76.711%

Build # 1576

Build Type

push

buildkite

Committed by

web-flow

Commit Message

Supporting sticky (generational) immix (#57327)

Adding support for sticky immix. Needs to be merged after:

- https://github.com/JuliaLang/julia/pull/57237
- https://github.com/JuliaLang/julia/pull/57176
- https://github.com/JuliaLang/julia/pull/57252
- https://github.com/JuliaLang/julia/pull/57769

---------

Co-authored-by: Luis Eduardo de Souza Amorim <eduardo@bear.moma>

Run Details

57362 of 76424 relevant lines covered (75.06%)

7438320.97 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

79.29

/base/stacktraces.jl

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

"""
Tools for collecting and manipulating stack traces. Mainly used for building errors.
"""
module StackTraces


import Base: hash, ==, show

using Core: CodeInfo, MethodInstance, CodeInstance
using Base.IRShow

export StackTrace, StackFrame, stacktrace

"""
    StackFrame

Stack information representing execution context, with the following fields:

- `func::Symbol`

  The name of the function containing the execution context.

- `linfo::Union{Method, Core.MethodInstance, Core.CodeInstance, Core.CodeInfo, Nothing}`

  The Method, MethodInstance, CodeInstance, or CodeInfo containing the execution context (if it could be found),
     or nothing (for example, if the inlining was a result of macro expansion).

- `file::Symbol`

  The path to the file containing the execution context.

- `line::Int`

  The line number in the file containing the execution context.

- `from_c::Bool`

  True if the code is from C.

- `inlined::Bool`

  True if the code is from an inlined frame.

- `pointer::UInt64`

  Representation of the pointer to the execution context as returned by `backtrace`.

"""
struct StackFrame # this type should be kept platform-agnostic so that profiles can be dumped on one machine and read on another
    "the name of the function containing the execution context"
    func::Symbol
    "the path to the file containing the execution context"
    file::Symbol
    "the line number in the file containing the execution context"
    line::Int
    "the CodeInstance or CodeInfo containing the execution context (if it could be found), \
     or nothing (for example, if the inlining was a result of macro expansion)."
    linfo::Union{Core.MethodInstance, Core.CodeInstance, Method, CodeInfo, Nothing}
    "true if the code is from C"
    from_c::Bool
    "true if the code is from an inlined frame"
    inlined::Bool
    "representation of the pointer to the execution context as returned by `backtrace`"
    pointer::UInt64  # Large enough to be read losslessly on 32- and 64-bit machines.
end

StackFrame(func, file, line) = StackFrame(Symbol(func), Symbol(file), line,
                                          nothing, false, false, 0)

"""
    StackTrace

An alias for `Vector{StackFrame}` provided for convenience; returned by calls to
`stacktrace`.
"""
const StackTrace = Vector{StackFrame}

const empty_sym = Symbol("")
const UNKNOWN = StackFrame(empty_sym, empty_sym, -1, nothing, true, false, 0) # === lookup(C_NULL)


#=
If the StackFrame has function and line information, we consider two of them the same if
they share the same function/line information.
=#
function ==(a::StackFrame, b::StackFrame)
    return a.line == b.line && a.from_c == b.from_c && a.func == b.func && a.file == b.file && a.inlined == b.inlined # excluding linfo and pointer
end

function hash(frame::StackFrame, h::UInt)
    h ⊻= 0xf4fbda67fe20ce88 % UInt
    h = hash(frame.line, h)
    h = hash(frame.file, h)
    h = hash(frame.func, h)
    h = hash(frame.from_c, h)
    h = hash(frame.inlined, h)
    return h
end

"""
    lookup(pointer::Ptr{Cvoid})::Vector{StackFrame}

Given a pointer to an execution context (usually generated by a call to `backtrace`), looks
up stack frame context information. Returns an array of frame information for all functions
inlined at that point, innermost function first.
"""
Base.@constprop :none function lookup(pointer::Ptr{Cvoid})
    infos = ccall(:jl_lookup_code_address, Any, (Ptr{Cvoid}, Cint), pointer, false)::Core.SimpleVector
    pointer = convert(UInt64, pointer)
    isempty(infos) && return [StackFrame(empty_sym, empty_sym, -1, nothing, true, false, pointer)] # this is equal to UNKNOWN
    res = Vector{StackFrame}(undef, length(infos))
    for i in 1:length(infos)
        info = infos[i]::Core.SimpleVector
        @assert length(info) == 6 "corrupt return from jl_lookup_code_address"
        func = info[1]::Symbol
        file = info[2]::Symbol
        linenum = info[3]::Int
        linfo = info[4]
        res[i] = StackFrame(func, file, linenum, linfo, info[5]::Bool, info[6]::Bool, pointer)
    end
    return res
end

const top_level_scope_sym = Symbol("top-level scope")

function lookup(ip::Base.InterpreterIP)
    code = ip.code
    if code === nothing
        # interpreted top-level expression with no CodeInfo
        return [StackFrame(top_level_scope_sym, empty_sym, 0, nothing, false, false, 0)]
    end
    # prepare approximate code info
    if code isa MethodInstance && (meth = code.def; meth isa Method)
        func = meth.name
        file = meth.file
        line = meth.line
        codeinfo = meth.source
    else
        func = top_level_scope_sym
        file = empty_sym
        line = Int32(0)
        if code isa Core.CodeInstance
            codeinfo = code.inferred::CodeInfo
            def = code.def
            if isa(def, Core.ABIOverride)
                def = def.def
            end
            if isa(def, MethodInstance)
                let meth = def.def
                    if isa(meth, Method)
                        func = meth.name
                        file = meth.file
                        line = meth.line
                    end
                end
            end
        else
            codeinfo = code::CodeInfo
        end
    end
    def = (code isa CodeInfo ? StackTraces : code) # Module just used as a token for top-level code
    pc::Int = max(ip.stmt + 1, 0) # n.b. ip.stmt is 0-indexed
    scopes = IRShow.LineInfoNode[]
    IRShow.append_scopes!(scopes, pc, codeinfo.debuginfo, def)
    if isempty(scopes)
        return [StackFrame(func, file, line, code, false, false, 0)]
    end
    res = Vector{StackFrame}(undef, length(scopes))
    inlined = false
    def_local = def
    for i in eachindex(scopes)
        lno = scopes[i]
        if inlined
            def_local = lno.method
            def_local isa Union{Method,Core.CodeInstance,MethodInstance} || (def_local = nothing)
        else
            def_local = codeinfo
        end
        res[i] = StackFrame(IRShow.normalize_method_name(lno.method), lno.file, lno.line,
            def_local, false, inlined, 0)
        inlined = true
    end
    return res
end

"""
    stacktrace([trace::Vector{Ptr{Cvoid}},] [c_funcs::Bool=false])::StackTrace

Return a stack trace in the form of a vector of `StackFrame`s. (By default stacktrace
doesn't return C functions, but this can be enabled.) When called without specifying a
trace, `stacktrace` first calls `backtrace`.
"""
Base.@constprop :none function stacktrace(trace::Vector{<:Union{Base.InterpreterIP,Ptr{Cvoid}}}, c_funcs::Bool=false)
    stack = StackTrace()
    for ip in trace
        for frame in lookup(ip)
            # Skip frames that come from C calls.
            if c_funcs || !frame.from_c
                push!(stack, frame)
            end
        end
    end
    return stack
end

Base.@constprop :none function stacktrace(c_funcs::Bool=false)
    stack = stacktrace(backtrace(), c_funcs)
    # Remove frame for this function (and any functions called by this function).
    remove_frames!(stack, :stacktrace)
    # also remove all of the non-Julia functions that led up to this point (if that list is non-empty)
    c_funcs && deleteat!(stack, 1:(something(findfirst(frame -> !frame.from_c, stack), 1) - 1))
    return stack
end

"""
    remove_frames!(stack::StackTrace, name::Symbol)

Takes a `StackTrace` (a vector of `StackFrames`) and a function name (a `Symbol`) and
removes the `StackFrame` specified by the function name from the `StackTrace` (also removing
all frames above the specified function). Primarily used to remove `StackTraces` functions
from the `StackTrace` prior to returning it.
"""
function remove_frames!(stack::StackTrace, name::Symbol)
    deleteat!(stack, 1:something(findlast(frame -> frame.func == name, stack), 0))
    return stack
end

function remove_frames!(stack::StackTrace, names::Vector{Symbol})
    deleteat!(stack, 1:something(findlast(frame -> frame.func in names, stack), 0))
    return stack
end

"""
    remove_frames!(stack::StackTrace, m::Module)

Return the `StackTrace` with all `StackFrame`s from the provided `Module` removed.
"""
function remove_frames!(stack::StackTrace, m::Module)
    filter!(f -> !from(f, m), stack)
    return stack
end

is_top_level_frame(f::StackFrame) = f.linfo isa CodeInfo || (f.linfo === nothing && f.func === top_level_scope_sym)

function frame_method_or_module(lkup::StackFrame)
    code = lkup.linfo
    code isa Method && return code
    code isa Module && return code
    mi = frame_mi(lkup)
    mi isa MethodInstance || return nothing
    return mi.def
end

function frame_mi(lkup::StackFrame)
    code = lkup.linfo
    code isa Core.CodeInstance && (code = code.def)
    code isa Core.ABIOverride && (code = code.def)
    code isa MethodInstance || return nothing
    return code
end

function show_spec_linfo(io::IO, frame::StackFrame)
    linfo = frame.linfo
    if linfo === nothing
        if frame.func === empty_sym
            print(io, "ip:0x", string(frame.pointer, base=16))
        elseif frame.func === top_level_scope_sym
            print(io, "top-level scope")
        else
            Base.print_within_stacktrace(io, Base.demangle_function_name(string(frame.func)), bold=true)
        end
    elseif linfo isa CodeInfo
        print(io, "top-level scope")
    elseif linfo isa Module
        Base.print_within_stacktrace(io, Base.demangle_function_name(string(frame.func)), bold=true)
    else
        if linfo isa Union{MethodInstance, CodeInstance}
            def = frame_method_or_module(frame)
            if def isa Module
                Base.show_mi(io, linfo::MethodInstance, #=from_stackframe=#true)
            elseif linfo isa CodeInstance && linfo.owner !== nothing
                show_custom_spec_sig(io, linfo.owner, linfo, frame)
            else
                # Equivalent to the default implementation of `show_custom_spec_sig`
                # for `linfo isa CodeInstance`, but saves an extra dynamic dispatch.
                mi = frame_mi(frame)::MethodInstance
                show_spec_sig(io, def::Method, mi.specTypes)
            end
        else
            m = linfo::Method
            show_spec_sig(io, m, m.sig)
        end
    end
end

# Can be extended by compiler packages to customize backtrace display of custom code instance frames
function show_custom_spec_sig(io::IO, @nospecialize(owner), linfo::CodeInstance, frame::StackFrame)
    mi = Base.get_ci_mi(linfo)
    m = mi.def::Method # the case ::Module is handled in show_spec_linfo
    return show_spec_sig(io, m, mi.specTypes)
end

function show_spec_sig(io::IO, m::Method, @nospecialize(sig::Type))
    if get(io, :limit, :false)::Bool
        if !haskey(io, :displaysize)
            io = IOContext(io, :displaysize => displaysize(io))
        end
    end
    argnames = Base.method_argnames(m)
    argnames = replace(argnames, :var"#unused#" => :var"")
    if m.nkw > 0
        # rearrange call kw_impl(kw_args..., func, pos_args...) to func(pos_args...; kw_args)
        kwarg_types = Any[ fieldtype(sig, i) for i = 2:(1+m.nkw) ]
        uw = Base.unwrap_unionall(sig)::DataType
        pos_sig = Base.rewrap_unionall(Tuple{uw.parameters[(m.nkw+2):end]...}, sig)
        kwnames = argnames[2:(m.nkw+1)]
        for i = 1:length(kwnames)
            str = string(kwnames[i])::String
            if endswith(str, "...")
                kwnames[i] = Symbol(str[1:end-3])
            end
        end
        Base.show_tuple_as_call(io, m.name, pos_sig;
                                demangle=true,
                                kwargs=zip(kwnames, kwarg_types),
                                argnames=argnames[m.nkw+2:end])
    else
        Base.show_tuple_as_call(io, m.name, sig; demangle=true, argnames)
    end
end

function show(io::IO, frame::StackFrame)
    show_spec_linfo(io, frame)
    if frame.file !== empty_sym
        file_info = basename(string(frame.file))
        print(io, " at ")
        print(io, file_info, ":")
        if frame.line >= 0
            print(io, frame.line)
        else
            print(io, "?")
        end
    end
    if frame.inlined
        print(io, " [inlined]")
    end
end

function Base.parentmodule(frame::StackFrame)
    linfo = frame.linfo
    if linfo isa CodeInstance
        linfo = linfo.def
        if isa(linfo, Core.ABIOverride)
            linfo = linfo.def
        end
    end
    if linfo isa MethodInstance
        def = linfo.def
        if def isa Module
            return def
        else
            return (def::Method).module
        end
    elseif linfo isa Method
        return linfo.module
    elseif linfo isa Module
        return linfo
    else
        # The module is not always available (common reasons include
        # frames arising from the interpreter)
        nothing
    end
end

"""
    from(frame::StackFrame, filter_mod::Module)::Bool

Return whether the `frame` is from the provided `Module`
"""
function from(frame::StackFrame, m::Module)
    return parentmodule(frame) === m
end

end  # module StackTraces

1	# This file is a part of Julia. License is MIT: https://julialang.org/license
2
3	"""
4	Tools for collecting and manipulating stack traces. Mainly used for building errors.
5	"""
6	module StackTraces
7
8
9	import Base: hash, ==, show
10
11	using Core: CodeInfo, MethodInstance, CodeInstance
12	using Base.IRShow
13
14	export StackTrace, StackFrame, stacktrace
15
16	"""
17	StackFrame
18
19	Stack information representing execution context, with the following fields:
20
21	- `func::Symbol`
22
23	The name of the function containing the execution context.
24
25	- `linfo::Union{Method, Core.MethodInstance, Core.CodeInstance, Core.CodeInfo, Nothing}`
26
27	The Method, MethodInstance, CodeInstance, or CodeInfo containing the execution context (if it could be found),
28	or nothing (for example, if the inlining was a result of macro expansion).
29
30	- `file::Symbol`
31
32	The path to the file containing the execution context.
33
34	- `line::Int`
35
36	The line number in the file containing the execution context.
37
38	- `from_c::Bool`
39
40	True if the code is from C.
41
42	- `inlined::Bool`
43
44	True if the code is from an inlined frame.
45
46	- `pointer::UInt64`
47
48	Representation of the pointer to the execution context as returned by `backtrace`.
49
50	"""
51	struct StackFrame # this type should be kept platform-agnostic so that profiles can be dumped on one machine and read on another
52	"the name of the function containing the execution context"	6,728✔
53	func::Symbol
54	"the path to the file containing the execution context"
55	file::Symbol
56	"the line number in the file containing the execution context"
57	line::Int
58	"the CodeInstance or CodeInfo containing the execution context (if it could be found), \
59	or nothing (for example, if the inlining was a result of macro expansion)."
60	linfo::Union{Core.MethodInstance, Core.CodeInstance, Method, CodeInfo, Nothing}
61	"true if the code is from C"
62	from_c::Bool
63	"true if the code is from an inlined frame"
64	inlined::Bool
65	"representation of the pointer to the execution context as returned by `backtrace`"
66	pointer::UInt64 # Large enough to be read losslessly on 32- and 64-bit machines.
67	end
68
69	StackFrame(func, file, line) = StackFrame(Symbol(func), Symbol(file), line,	12✔
70	nothing, false, false, 0)
71
72	"""
73	StackTrace
74
75	An alias for `Vector{StackFrame}` provided for convenience; returned by calls to
76	`stacktrace`.
77	"""
78	const StackTrace = Vector{StackFrame}
79
80	const empty_sym = Symbol("")
81	const UNKNOWN = StackFrame(empty_sym, empty_sym, -1, nothing, true, false, 0) # === lookup(C_NULL)
82
83
84	#=
85	If the StackFrame has function and line information, we consider two of them the same if
86	they share the same function/line information.
87	=#
88	function ==(a::StackFrame, b::StackFrame)
89	return a.line == b.line && a.from_c == b.from_c && a.func == b.func && a.file == b.file && a.inlined == b.inlined # excluding linfo and pointer	11,118✔
90	end
91
92	function hash(frame::StackFrame, h::UInt)
93	h ⊻= 0xf4fbda67fe20ce88 % UInt	69✔
94	h = hash(frame.line, h)	69✔
95	h = hash(frame.file, h)	69✔
96	h = hash(frame.func, h)	69✔
97	h = hash(frame.from_c, h)	69✔
98	h = hash(frame.inlined, h)	69✔
99	return h	×
100	end
101
102	"""
103	lookup(pointer::Ptr{Cvoid})::Vector{StackFrame}
104
105	Given a pointer to an execution context (usually generated by a call to `backtrace`), looks
106	up stack frame context information. Returns an array of frame information for all functions
107	inlined at that point, innermost function first.
108	"""
109	Base.@constprop :none function lookup(pointer::Ptr{Cvoid})	2,624✔
110	infos = ccall(:jl_lookup_code_address, Any, (Ptr{Cvoid}, Cint), pointer, false)::Core.SimpleVector	2,624✔
111	pointer = convert(UInt64, pointer)	2,624✔
112	isempty(infos) && return [StackFrame(empty_sym, empty_sym, -1, nothing, true, false, pointer)] # this is equal to UNKNOWN	2,624✔
113	res = Vector{StackFrame}(undef, length(infos))	2,624✔
114	for i in 1:length(infos)	5,074✔
115	info = infos[i]::Core.SimpleVector	3,626✔
116	@assert length(info) == 6 "corrupt return from jl_lookup_code_address"	3,626✔
117	func = info[1]::Symbol	3,626✔
118	file = info[2]::Symbol	3,626✔
119	linenum = info[3]::Int	3,626✔
120	linfo = info[4]	3,626✔
121	res[i] = StackFrame(func, file, linenum, linfo, info[5]::Bool, info[6]::Bool, pointer)	3,626✔
122	end	4,628✔
123	return res	2,624✔
124	end
125
126	const top_level_scope_sym = Symbol("top-level scope")
127
128	function lookup(ip::Base.InterpreterIP)	153✔
129	code = ip.code	153✔
130	if code === nothing	153✔
131	# interpreted top-level expression with no CodeInfo
132	return [StackFrame(top_level_scope_sym, empty_sym, 0, nothing, false, false, 0)]	×
133	end
134	# prepare approximate code info
135	if code isa MethodInstance && (meth = code.def; meth isa Method)	153✔
136	func = meth.name	×
137	file = meth.file	×
138	line = meth.line	×
139	codeinfo = meth.source	×
140	else
141	func = top_level_scope_sym	153✔
142	file = empty_sym	153✔
143	line = Int32(0)	153✔
144	if code isa Core.CodeInstance	153✔
145	codeinfo = code.inferred::CodeInfo	×
146	def = code.def	×
147	if isa(def, Core.ABIOverride)	×
148	def = def.def	×
149	end
150	if isa(def, MethodInstance)	×
151	let meth = def.def	×
152	if isa(meth, Method)	×
153	func = meth.name	×
154	file = meth.file	×
155	line = meth.line	×
156	end
157	end
158	end
159	else
160	codeinfo = code::CodeInfo	153✔
161	end
162	end
163	def = (code isa CodeInfo ? StackTraces : code) # Module just used as a token for top-level code	153✔
164	pc::Int = max(ip.stmt + 1, 0) # n.b. ip.stmt is 0-indexed	153✔
165	scopes = IRShow.LineInfoNode[]	153✔
166	IRShow.append_scopes!(scopes, pc, codeinfo.debuginfo, def)	306✔
167	if isempty(scopes)	153✔
168	return [StackFrame(func, file, line, code, false, false, 0)]	×
169	end
170	res = Vector{StackFrame}(undef, length(scopes))	153✔
171	inlined = false	153✔
172	def_local = def	153✔
173	for i in eachindex(scopes)	301✔
174	lno = scopes[i]	542✔
175	if inlined	542✔
176	def_local = lno.method	389✔
177	def_local isa Union{Method,Core.CodeInstance,MethodInstance} \|\| (def_local = nothing)	389✔
178	else
179	def_local = codeinfo	153✔
180	end
181	res[i] = StackFrame(IRShow.normalize_method_name(lno.method), lno.file, lno.line,	542✔
182	def_local, false, inlined, 0)
183	inlined = true	542✔
184	end	931✔
185	return res	153✔
186	end
187
188	"""
189	stacktrace([trace::Vector{Ptr{Cvoid}},] [c_funcs::Bool=false])::StackTrace
190
191	Return a stack trace in the form of a vector of `StackFrame`s. (By default stacktrace
192	doesn't return C functions, but this can be enabled.) When called without specifying a
193	trace, `stacktrace` first calls `backtrace`.
194	"""
195	Base.@constprop :none function stacktrace(trace::Vector{<:Union{Base.InterpreterIP,Ptr{Cvoid}}}, c_funcs::Bool=false)	115✔
196	stack = StackTrace()	677✔
197	for ip in trace	86✔
198	for frame in lookup(ip)	1,265✔
199	# Skip frames that come from C calls.
200	if c_funcs \|\| !frame.from_c	3,345✔
201	push!(stack, frame)	738✔
202	end
203	end	1,727✔
204	end	1,265✔
205	return stack	86✔
206	end
207
208	Base.@constprop :none function stacktrace(c_funcs::Bool=false)
209	stack = stacktrace(backtrace(), c_funcs)	6✔
210	# Remove frame for this function (and any functions called by this function).
211	remove_frames!(stack, :stacktrace)
212	# also remove all of the non-Julia functions that led up to this point (if that list is non-empty)
213	c_funcs && deleteat!(stack, 1:(something(findfirst(frame -> !frame.from_c, stack), 1) - 1))
214	return stack
215	end
216
217	"""
218	remove_frames!(stack::StackTrace, name::Symbol)
219
220	Takes a `StackTrace` (a vector of `StackFrames`) and a function name (a `Symbol`) and
221	removes the `StackFrame` specified by the function name from the `StackTrace` (also removing
222	all frames above the specified function). Primarily used to remove `StackTraces` functions
223	from the `StackTrace` prior to returning it.
224	"""
225	function remove_frames!(stack::StackTrace, name::Symbol)	×
226	deleteat!(stack, 1:something(findlast(frame -> frame.func == name, stack), 0))	×
227	return stack	×
228	end
229
230	function remove_frames!(stack::StackTrace, names::Vector{Symbol})	×
231	deleteat!(stack, 1:something(findlast(frame -> frame.func in names, stack), 0))	×
232	return stack	×
233	end
234
235	"""
236	remove_frames!(stack::StackTrace, m::Module)
237
238	Return the `StackTrace` with all `StackFrame`s from the provided `Module` removed.
239	"""
240	function remove_frames!(stack::StackTrace, m::Module)
241	filter!(f -> !from(f, m), stack)	1✔
242	return stack	×
243	end
244
245	is_top_level_frame(f::StackFrame) = f.linfo isa CodeInfo \|\| (f.linfo === nothing && f.func === top_level_scope_sym)	6✔
246
247	function frame_method_or_module(lkup::StackFrame)
248	code = lkup.linfo	752✔
249	code isa Method && return code	752✔
250	code isa Module && return code	156✔
251	mi = frame_mi(lkup)	756✔
252	mi isa MethodInstance \|\| return nothing	758✔
253	return mi.def	746✔
254	end
255
256	function frame_mi(lkup::StackFrame)
257	code = lkup.linfo	1,495✔
258	code isa Core.CodeInstance && (code = code.def)	1,495✔
259	code isa Core.ABIOverride && (code = code.def)	1,495✔
260	code isa MethodInstance \|\| return nothing	1,501✔
261	return code	1,489✔
262	end
263
264	function show_spec_linfo(io::IO, frame::StackFrame)	1,645✔
265	linfo = frame.linfo	1,645✔
266	if linfo === nothing	1,645✔
267	if frame.func === empty_sym	787✔
268	print(io, "ip:0x", string(frame.pointer, base=16))	1✔
269	elseif frame.func === top_level_scope_sym	786✔
270	print(io, "top-level scope")	23✔
271	else
272	Base.print_within_stacktrace(io, Base.demangle_function_name(string(frame.func)), bold=true)	763✔
273	end
274	elseif linfo isa CodeInfo	858✔
275	print(io, "top-level scope")	114✔
276	elseif linfo isa Module	744✔
277	Base.print_within_stacktrace(io, Base.demangle_function_name(string(frame.func)), bold=true)	×
278	else
279	if linfo isa Union{MethodInstance, CodeInstance}	744✔
280	def = frame_method_or_module(frame)	1,488✔
281	if def isa Module	744✔
282	Base.show_mi(io, linfo::MethodInstance, #=from_stackframe=#true)	×
283	elseif linfo isa CodeInstance && linfo.owner !== nothing	744✔
284	show_custom_spec_sig(io, linfo.owner, linfo, frame)	1✔
285	else
286	# Equivalent to the default implementation of `show_custom_spec_sig`
287	# for `linfo isa CodeInstance`, but saves an extra dynamic dispatch.
288	mi = frame_mi(frame)::MethodInstance	743✔
289	show_spec_sig(io, def::Method, mi.specTypes)	743✔
290	end
291	else
292	m = linfo::Method	×
293	show_spec_sig(io, m, m.sig)	×
294	end
295	end
296	end
297
298	# Can be extended by compiler packages to customize backtrace display of custom code instance frames
299	function show_custom_spec_sig(io::IO, @nospecialize(owner), linfo::CodeInstance, frame::StackFrame)
300	mi = Base.get_ci_mi(linfo)	2✔
301	m = mi.def::Method # the case ::Module is handled in show_spec_linfo	1✔
302	return show_spec_sig(io, m, mi.specTypes)	1✔
303	end
304
305	function show_spec_sig(io::IO, m::Method, @nospecialize(sig::Type))	744✔
306	if get(io, :limit, :false)::Bool	2,517✔
307	if !haskey(io, :displaysize)	743✔
308	io = IOContext(io, :displaysize => displaysize(io))	87✔
309	end
310	end
311	argnames = Base.method_argnames(m)	1,488✔
312	argnames = replace(argnames, :var"#unused#" => :var"")	744✔
313	if m.nkw > 0	744✔
314	# rearrange call kw_impl(kw_args..., func, pos_args...) to func(pos_args...; kw_args)
315	kwarg_types = Any[ fieldtype(sig, i) for i = 2:(1+m.nkw) ]	122✔
316	uw = Base.unwrap_unionall(sig)::DataType	91✔
317	pos_sig = Base.rewrap_unionall(Tuple{uw.parameters[(m.nkw+2):end]...}, sig)	91✔
318	kwnames = argnames[2:(m.nkw+1)]	182✔
319	for i = 1:length(kwnames)	101✔
320	str = string(kwnames[i])::String	122✔
321	if endswith(str, "...")	122✔
322	kwnames[i] = Symbol(str[1:end-3])	×
323	end
324	end	153✔
325	Base.show_tuple_as_call(io, m.name, pos_sig;	91✔
326	demangle=true,
327	kwargs=zip(kwnames, kwarg_types),
328	argnames=argnames[m.nkw+2:end])
329	else
330	Base.show_tuple_as_call(io, m.name, sig; demangle=true, argnames)	653✔
331	end
332	end
333
334	function show(io::IO, frame::StackFrame)	161✔
335	show_spec_linfo(io, frame)	161✔
336	if frame.file !== empty_sym	161✔
337	file_info = basename(string(frame.file))	156✔
338	print(io, " at ")	156✔
339	print(io, file_info, ":")	156✔
340	if frame.line >= 0	156✔
341	print(io, frame.line)	153✔
342	else
343	print(io, "?")	3✔
344	end
345	end
346	if frame.inlined	161✔
347	print(io, " [inlined]")	42✔
348	end
349	end
350
351	function Base.parentmodule(frame::StackFrame)
352	linfo = frame.linfo	3,501✔
353	if linfo isa CodeInstance	3,501✔
354	linfo = linfo.def	1,274✔
355	if isa(linfo, Core.ABIOverride)	1,274✔
356	linfo = linfo.def	×
357	end
358	end
359	if linfo isa MethodInstance	3,501✔
360	def = linfo.def	1,633✔
361	if def isa Module	1,633✔
362	return def	×
363	else
364	return (def::Method).module	1,633✔
365	end
366	elseif linfo isa Method	1,868✔
367	return linfo.module	×
368	elseif linfo isa Module	1,868✔
369	return linfo	×
370	else
371	# The module is not always available (common reasons include
372	# frames arising from the interpreter)
373	nothing	724✔
374	end
375	end
376
377	"""
378	from(frame::StackFrame, filter_mod::Module)::Bool
379
380	Return whether the `frame` is from the provided `Module`
381	"""
382	function from(frame::StackFrame, m::Module)	×
383	return parentmodule(frame) === m	×
384	end
385
386	end # module StackTraces

JuliaLang / julia / 1576

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous