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mnv9script
# Whenever indent plugins contain "search*()" lines explicitly annotated with
# "MNV_INDENT_TEST_TRACE_(START|END)" comment markers; this script can then be
# used as shown to measure and record elapsed time for such decorated calls.
#
# Usage:
# cd runtime/indent
# mnv -u NONE -S testdir/tools/tracer.mnv \
# html.mnv javascript.mnv \
# ../autoload/python.mnv ../autoload/dist/mnvindent.mnv
# git diff
# make clean test
# mnv testdir/00-TRACE_LOG.fail
def GenerateTempletForTracing(fname: string, vname: string): list<string>
#### ONLY INSTRUMENT "search*()"es FOR INDENT TESTS.
const templet: list<string> =<< trim eval END
if getcwd() =~# '\<runtime/indent$'
def! g:IndentTestTrace(id: string, start: list<number>, result: any): any
const end: list<number> = reltime(start)
if !has_key(g:indent_test_trace_times, id)
g:indent_test_trace_times[id] = []
endif
g:indent_test_trace_times[id]
->add(reltimefloat(end))
return result
enddef
def! g:IndentTestInitTracing()
# Possibly use a later "{fname}", cf. ":runtime indent/foo.mnv".
autocmd_add([{{
replace: true,
group: 'tracing',
event: 'QuitPre',
bufnr: bufnr(),
cmd: 'g:IndentTestWriteTraceTimes()',
}}])
g:indent_test_trace_times = {{}}
enddef
def! g:IndentTestWriteTraceTimes()
# Anticipate usage by multiple languages.
const token: string = printf('%02x', (rand() % 26))
writefile(['" {fname}:',
"let {vname}_" .. token .. " = " .. string(g:indent_test_trace_times),
"let {vname}_" .. token .. "_summary = " .. string(g:indent_test_trace_times
->items()
->reduce((outer: dict<dict<any>>, times: list<any>) =>
extend({{[times[0]]: times[1]
->copy()
->reduce((inner: dict<any>, v: float) =>
extend({{
min: inner.min < v ? inner.min : v,
max: inner.max > v ? inner.max : v,
sum: (inner.sum + v),
avg: ((inner.sum + v) / inner.count),
}},
inner,
"keep"),
{{
min: v:numbermax - 0.0,
max: v:numbermin + 0.0,
sum: 0.0,
avg: 0.0,
count: len(times[1]),
}})}},
outer),
{{}}))],
(!empty($MNV_INDENT_TEST_LOG) && filewritable($MNV_INDENT_TEST_LOG))
? $MNV_INDENT_TEST_LOG
: "testdir/00-TRACE_LOG.fail",
"a")
enddef
call g:IndentTestInitTracing()
else
def! g:IndentTestTrace(_: string, _: list<number>, result: any): any
return result
enddef
endif
END
return templet
enddef
def InstrumentMarkedEntry(): bool
const marker_start: string = 'MNV_INDENT_TEST_TRACE_START'
const start: number = search('\C\<' .. marker_start .. '\>', 'ceW')
if start == 0
return false
endif
const marker_end: string = 'MNV_INDENT_TEST_TRACE_END'
const end: number = search('\C\<' .. marker_end .. '\>', 'ceW')
if end == 0
return false
endif
const tracee: list<string> = matchlist(
getline(start + 1),
'\(^.\+\)\(\<search\%(pair\)\=\%(pos\)\=\s*(.*$\)')
if empty(get(tracee, 1, '')) || empty(get(tracee, 2, ''))
return false
endif
const end_line: string = getline(end)
const tracer: string = printf('%sg:IndentTestTrace("%s", reltime(), %s',
tracee[1],
strpart(end_line, (stridx(end_line, marker_end) + strlen(marker_end) + 1)),
tracee[2])
if (end - start) > 1
setline((start + 1), tracer)
setline((end - 1), getline(end - 1) .. ')')
else
setline((start + 1), tracer .. ')')
endif
return true
enddef
def ProcessIndentPluginCmdlineArgs()
const names: list<string> = range(char2nr('a'), char2nr('z'))
->map((_: number, n: number) => nr2char(n, true))
var entries: number = 0
var next: number = 0
for fname: string in argv(-1)
if filereadable(fname) && filewritable(fname)
execute 'new ' .. fname
call cursor(1, 1)
while InstrumentMarkedEntry()
entries += 1
endwhile
if entries > 0
append(1, GenerateTempletForTracing(fname, get(names, next, names[-1])))
wq
endif
entries = 0
next += 1
endif
endfor
enddef
if empty(system('git status --porcelain=v1'))
ProcessIndentPluginCmdlineArgs()
endif
quitall
# mnv:fdm=syntax:sw=2:ts=8:noet:nosta:
|
