| Commit message (Collapse) | Author | Age |
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Should be better than gettimeofday() since libuv uses higher resolution
clocks on most UNIX platforms. Libuv also tries to use monotonic clocks,
kernel bugs notwithstanding, which is another win over gettimeofday().
Necessary for Windows, which doesn't have gettimeofday(). In vanilla vim,
Windows uses QueryPerformanceCounter, which is the correct primitive for
this sort of things, but that was removed when slimming up the codebase.
Libuv uses QueryPerformanceCounter to implement uv_hrtime() on Windows so
the behaviour of vim profiling on Windows should now be the same.
The behaviour on Linux should be different (better) though, libuv uses more
accurate primitives than gettimeofday().
Other misc. changes:
- Added function attributes where relevant (const, pure, ...)
- Convert functions to receive scalars: Now that proftime_T is always a
(uint64_t) scalar (and not a struct), it's clearer to convert the
functions to receive it as such instead of a pointer to a scalar.
- Extract profiling funcs to profile.c: make everything clearer and reduces
the size of the "catch-all" ex_cmds2.c
- Add profile.{c,h} to clint and -Wconv:
- Don't use sprintf, use snprintf
- Don't use long, use int16_t/int32_t/...
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- Add hashtab.[ch] to clint file.
- Fix clint errors.
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- Fix path to clint-checked files.
- Fix mechanism to calculate define guard names.
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This commit introduces 4 macros (for different log levels) that can be used
to log messages to $HOME/.nvimlog:
- DLOG: log a debug message (e.g. `DLOG("sum(%d, %d): %d", x, y, sum(x, y));`)
- ILOG: log some useful information (e.g. `ILOG("Main loop started")`)
- WLOG: log a warning (e.g. `WLOG("Command not found: %s", command)`)
- ELOG: log an error (e.g. `ELOG("Out of memory. Exiting.")`)
All these macros are disabled if `NDEBUG` or `DISABLE_LOG` is defined. This
guarantees that a `Release` build won't log anything.
`MIN_LOG_LEVEL` can be defined to reduce the verbosity of the log. The log
levels are:
```
DEBUG_LOG_LEVEL 0
INFO_LOG_LEVEL 1
WARNING_LOG_LEVEL 2
ERROR_LOG_LEVEL 3
```
`MIN_LOG_LEVEL` is 0 by default enabling all levels. If `MIN_LOG_LEVEL` is set
to 2, for example, only warnings and errors will be logged.
That's how the log looks like:
```
DATETIME LOG_LEVEL FUNCTION LINE PID FORMATTED MESSAGE
2014/05/01 23:46:14 [info @ main_loop:582] 44376 - Starting Neovim main loop.
2014/05/01 23:46:31 [info @ main_loop:582] 44400 - Starting Neovim main loop.
```
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The `RStream` class hides the differences between files and other types of
streams with a simpler, general-purpose API for performing non-blocking reads
with libuv. Most of the code was adapted from input.c.
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