43 lines
1.2 KiB
Nim
43 lines
1.2 KiB
Nim
# Nimbus
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import strformat, terminal
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# TODO replace by nim-chronicles
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type
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Logger* = object
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name*: string
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const DEBUG* = defined(nimbusdebug)
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# Note: to make logging costless:
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# - DEBUG should be a const and dispatch should use `when` for compile-time specialization
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# - Passing a string to a proc, even a const string and inline proc, might trigger a heap allocation
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# use a template instead.
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template log*(l: Logger, msg: string, color: ForegroundColor = fgBlack) =
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when DEBUG:
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styledWriteLine(stdout, color, &"#{l.name}: {msg}", resetStyle)
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template debug*(l: Logger, msg: string) =
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when DEBUG:
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l.log(msg)
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template trace*(l: Logger, msg: string) =
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when DEBUG:
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l.log(msg, fgBlue)
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proc getLogger*(name: string): Logger {.inline.}=
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result = Logger(name: name)
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# proc disableLogging* =
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# DEBUG = false
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# proc enableLogging* =
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# DEBUG = true
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