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make custom log macros work #52359

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merged 3 commits into from
Dec 2, 2023
Merged

make custom log macros work #52359

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91671ee
make custom log macros work
IanButterworth Nov 16, 2023
6cf75fd
add test
IanButterworth Nov 20, 2023
3a798c4
interpolate symbols instead
IanButterworth Dec 1, 2023
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10 changes: 5 additions & 5 deletions base/logging.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -370,23 +370,23 @@ function logmsg_code(_module, file, line, level, message, exs...)
let
level = $level
# simplify std_level code emitted, if we know it is one of our global constants
std_level = $(level isa Symbol ? :level : :(level isa LogLevel ? level : convert(LogLevel, level)::LogLevel))
if std_level >= _min_enabled_level[]
std_level = $(level isa Symbol ? :level : :(level isa Base.CoreLogging.LogLevel ? level : convert(Base.CoreLogging.LogLevel, level)::Base.CoreLogging.LogLevel))
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if std_level >= Base.CoreLogging._min_enabled_level[]
group = $(log_data._group)
_module = $(log_data._module)
logger = current_logger_for_env(std_level, group, _module)
logger = Base.CoreLogging.current_logger_for_env(std_level, group, _module)
if !(logger === nothing)
id = $(log_data._id)
# Second chance at an early bail-out (before computing the message),
# based on arbitrary logger-specific logic.
if invokelatest(shouldlog, logger, level, _module, group, id)
if invokelatest(Base.CoreLogging.shouldlog, logger, level, _module, group, id)
file = $(log_data._file)
if file isa String
file = Base.fixup_stdlib_path(file)
end
line = $(log_data._line)
local msg, kwargs
$(logrecord) && invokelatest(handle_message,
$(logrecord) && invokelatest(Base.CoreLogging.handle_message,
logger, level, msg, _module, group, id, file, line;
kwargs...)
end
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17 changes: 17 additions & 0 deletions stdlib/Logging/test/runtests.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,10 @@ import Logging: min_enabled_level, shouldlog, handle_message

@noinline func1() = backtrace()

# see "custom log macro" testset
CustomLog = LogLevel(-500)
macro customlog(exs...) Base.CoreLogging.logmsg_code((Base.CoreLogging.@_sourceinfo)..., esc(CustomLog), exs...) end

@testset "Logging" begin

@testset "Core" begin
Expand Down Expand Up @@ -275,4 +279,17 @@ end
@test m.run()
end

@testset "custom log macro" begin
@test_logs (CustomLog, "a") min_level=CustomLog @customlog "a"

buf = IOBuffer()
io = IOContext(buf, :displaysize=>(30,80), :color=>false)
logger = ConsoleLogger(io, CustomLog)

with_logger(logger) do
@customlog "a"
end
@test occursin("LogLevel(-500): a", String(take!(buf)))
end

end